河道治理工程范文
時間:2023-04-04 10:45:37
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篇1
文章通過對赤峰市紅山區西旱河的防洪現狀分析,從工程總體布置、河道設計等方(fang)面,提出西旱河(he)的(de)治(zhi)理思路及(ji)工程設計方(fang)案。同時,針對工程設計符合相關規劃、與(yu)工程占地(di)的(de)協調性以及(ji)改善河(he)道(dao)環境(jing)等方(fang)面,提出了(le)見解。
〔關鍵詞〕
河(he)道(dao)治理;工(gong)程設計;體會
1工程概況
西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)屬(shu)英(ying)金河(he)(he)(he)(he)(he)(he)的(de)二級支流(liu),下游(you)段穿(chuan)(chuan)(chuan)赤(chi)(chi)峰(feng)(feng)(feng)市(shi)(shi)中心(xin)城(cheng)(cheng)(cheng)區(qu)而過,后于赤(chi)(chi)峰(feng)(feng)(feng)市(shi)(shi)城(cheng)(cheng)(cheng)區(qu)松洲大(da)(da)橋下游(you)700m匯入(ru)錫(xi)泊河(he)(he)(he)(he)(he)(he)。西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)位于赤(chi)(chi)峰(feng)(feng)(feng)市(shi)(shi)城(cheng)(cheng)(cheng)區(qu)南(nan)(nan)側,由城(cheng)(cheng)(cheng)南(nan)(nan)南(nan)(nan)山山洪(hong)(hong)溝多年(nian)發育(yu)形成的(de)穿(chuan)(chuan)(chuan)城(cheng)(cheng)(cheng)河(he)(he)(he)(he)(he)(he)道(dao),匯入(ru)錫(xi)泊河(he)(he)(he)(he)(he)(he),洪(hong)(hong)水來源于赤(chi)(chi)峰(feng)(feng)(feng)市(shi)(shi)城(cheng)(cheng)(cheng)區(qu)南(nan)(nan)部的(de)文鐘村(cun)和(he)黑溝門村(cun)的(de)瓢家杖子(zi)溝、馬架子(zi)溝、三眼井溝。由于20世紀90年(nian)代在西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)上游(you)瓢家杖子(zi)附近修(xiu)建的(de)3座塘壩,受塘壩的(de)滯蓄(xu)作用,近些年(nian)西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)從(cong)塘壩下游(you)至十五(wu)里(li)鋪的(de)中上游(you)河(he)(he)(he)(he)(he)(he)段基本沒有(you)泄洪(hong)(hong);西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)中段河(he)(he)(he)(he)(he)(he)道(dao)在21世紀初(chu)期,赤(chi)(chi)峰(feng)(feng)(feng)市(shi)(shi)市(shi)(shi)政相關部門在十五(wu)里(li)鋪附近沿(yan)路(lu)修(xiu)建2孔直(zhi)徑(jing)為2.0m的(de)地(di)下圓涵,使西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)上游(you)的(de)洪(hong)(hong)水經涵管匯入(ru)西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)下游(you)城(cheng)(cheng)(cheng)區(qu)段,導致目前(qian)西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)中游(you)河(he)(he)(he)(he)(he)(he)道(dao)已(yi)(yi)基本沒有(you)痕(hen)跡,已(yi)(yi)經被城(cheng)(cheng)(cheng)市(shi)(shi)開(kai)發利(li)用;西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)下段現狀從(cong)老城(cheng)(cheng)(cheng)區(qu)穿(chuan)(chuan)(chuan)過,現狀溝道(dao)深1.0~2.5m,溝道(dao)寬(kuan)度(du)不一(yi)致,開(kai)口寬(kuan)3~15m。河(he)(he)(he)(he)(he)(he)道(dao)兩岸為城(cheng)(cheng)(cheng)市(shi)(shi)道(dao)路(lu)和(he)居民(min)房屋,部分段落(luo)樓房林立,擴(kuo)寬(kuan)河(he)(he)(he)(he)(he)(he)道(dao)及(ji)新(xin)建堤(di)防難度(du)很(hen)大(da)(da)。現狀西(xi)(xi)旱(han)河(he)(he)(he)(he)(he)(he)沿(yan)岸無防洪(hong)(hong)堤(di)或防洪(hong)(hong)堤(di)級別很(hen)低(di),防洪(hong)(hong)能力大(da)(da)都不足10年(nian)一(yi)遇,遠(yuan)遠(yuan)低(di)于赤(chi)(chi)峰(feng)(feng)(feng)市(shi)(shi)百年(nian)一(yi)遇設(she)計洪(hong)(hong)水標準的(de)要求。
2工程設計
2.1工程等級(ji)和標準
依據《赤峰(feng)市(shi)中心城(cheng)區防洪規劃(hua)》、《防洪標(biao)準(zhun)》(GB50201-2014)和《城(cheng)市(shi)防洪工(gong)程(cheng)設計(ji)(ji)規范(fan)》(GB/750805-2012)等(deng)(deng)相關規范(fan)、文(wen)件,根據城(cheng)市(shi)社會地位的(de)重要(yao)性、非農業人口、重要(yao)工(gong)業設施等(deng)(deng)指標(biao),確定本次西(xi)旱河的(de)防洪標(biao)準(zhun)為(wei)100年一遇,工(gong)程(cheng)級別為(wei)2級,主要(yao)建筑(zhu)物為(wei)2級。西(xi)旱河上游(you)改河段100年一遇設計(ji)(ji)洪峰(feng)流量(liang)為(wei)63.6m3/s,西(xi)旱河100年一遇設計(ji)(ji)洪峰(feng)流量(liang)為(wei)90.7m3/s。
2.2工程總體布置
本次設計考慮到西旱河目前的實際情況,如果繼續疏通西旱河上游段和中游段河道,存在很大困難,一是原河道已經被開發利用,需要大量的征地和拆遷;二是疏通西旱河后河道設計洪水會加大,需要加大西旱河下游的老城區段河道斷面,涉及大量的拆遷,社會矛盾較大,投資巨大;三是赤峰市棚戶區改造鐵南組團控制性詳細規劃及小新地片區控制性詳細規劃將原西旱河城區內目前未下泄洪水的河段位置已規劃為城市建設用地。依據上述情況,確定本次西旱河治理工程的(de)(de)(de)總(zong)體(ti)布置(zhi)(zhi)如(ru)下(xia):(1)對(dui)原西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)上(shang)(shang)游(you)(you)段進(jin)行(xing)(xing)改(gai)河(he)(he)(he)(he)(he)(he)(he)(he)(he),將(jiang)(jiang)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)上(shang)(shang)游(you)(you)洪(hong)(hong)水(shui)就近(jin)引入(ru)到柳條溝(gou)中,減(jian)輕西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)城(cheng)(cheng)區(qu)段的(de)(de)(de)防洪(hong)(hong)壓力(li)。將(jiang)(jiang)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)十五里鋪以(yi)西(xi)(xi)河(he)(he)(he)(he)(he)(he)(he)(he)(he)道(dao)(dao)(dao)沿現(xian)有(you)溝(gou)道(dao)(dao)(dao)向(xiang)(xiang)(xiang)西(xi)(xi)至(zhi)鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)專(zhuan)(zhuan)用(yong)(yong)(yong)線(xian)的(de)(de)(de)鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)橋下(xia)(樁(zhuang)(zhuang)號(hao)(hao)1+650),然(ran)(ran)后(hou)向(xiang)(xiang)(xiang)西(xi)(xi)北改(gai)河(he)(he)(he)(he)(he)(he)(he)(he)(he),河(he)(he)(he)(he)(he)(he)(he)(he)(he)道(dao)(dao)(dao)穿過《赤峰市(shi)(shi)(shi)城(cheng)(cheng)市(shi)(shi)(shi)總(zong)體(ti)規劃(hua)》中的(de)(de)(de)規劃(hua)綠地,就近(jin)匯(hui)(hui)入(ru)柳條溝(gou)內。西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)上(shang)(shang)游(you)(you)改(gai)河(he)(he)(he)(he)(he)(he)(he)(he)(he)段全長(chang)2.68km。(2)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)治理(li)工(gong)程的(de)(de)(de)起點為(wei)(wei)赤峰市(shi)(shi)(shi)規劃(hua)中心城(cheng)(cheng)區(qu)外環(huan)道(dao)(dao)(dao)路(lu)(lu)與西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)交(jiao)叉(cha)橋,終(zhong)點為(wei)(wei)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)入(ru)錫泊河(he)(he)(he)(he)(he)(he)(he)(he)(he)的(de)(de)(de)匯(hui)(hui)入(ru)口(松(song)洲大橋下(xia)游(you)(you)700m處(chu))。西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)從治理(li)段落(luo)的(de)(de)(de)起點沿現(xian)狀河(he)(he)(he)(he)(he)(he)(he)(he)(he)道(dao)(dao)(dao)至(zhi)樁(zhuang)(zhuang)號(hao)(hao)0+500處(chu),繼續向(xiang)(xiang)(xiang)西(xi)(xi)北方向(xiang)(xiang)(xiang)直線(xian)延伸(shen)0.33km至(zhi)鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)專(zhuan)(zhuan)用(yong)(yong)(yong)線(xian),并向(xiang)(xiang)(xiang)右轉在鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)專(zhuan)(zhuan)用(yong)(yong)(yong)線(xian)的(de)(de)(de)保(bao)護范圍外與鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)專(zhuan)(zhuan)用(yong)(yong)(yong)線(xian)平(ping)行(xing)(xing)向(xiang)(xiang)(xiang)東北方向(xiang)(xiang)(xiang)布置(zhi)(zhi),長(chang)度(du)為(wei)(wei)1.37km,然(ran)(ran)后(hou)回歸到原西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)與鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)專(zhuan)(zhuan)用(yong)(yong)(yong)線(xian)的(de)(de)(de)交(jiao)匯(hui)(hui)鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)橋處(chu)(樁(zhuang)(zhuang)號(hao)(hao)2+200)。過鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)橋后(hou)繼續平(ping)行(xing)(xing)鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)專(zhuan)(zhuan)用(yong)(yong)(yong)線(xian)至(zhi)京(jing)通鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)處(chu)(樁(zhuang)(zhuang)號(hao)(hao)3+520),利用(yong)(yong)(yong)現(xian)已(yi)新建(jian)的(de)(de)(de)跨西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)的(de)(de)(de)交(jiao)叉(cha)方涵(han),過鐵(tie)(tie)(tie)(tie)(tie)路(lu)(lu)涵(han)洞后(hou)在紅山區(qu)站前(qian)街附近(jin)(樁(zhuang)(zhuang)號(hao)(hao)3+730處(chu))匯(hui)(hui)入(ru)原西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he),最終(zhong)匯(hui)(hui)入(ru)錫泊河(he)(he)(he)(he)(he)(he)(he)(he)(he)。為(wei)(wei)了使河(he)(he)(he)(he)(he)(he)(he)(he)(he)道(dao)(dao)(dao)行(xing)(xing)洪(hong)(hong)通暢,拓寬(kuan)河(he)(he)(he)(he)(he)(he)(he)(he)(he)道(dao)(dao)(dao)的(de)(de)(de)行(xing)(xing)洪(hong)(hong)斷面,并與赤峰市(shi)(shi)(shi)紅山區(qu)棚戶區(qu)改(gai)造(zao)總(zong)體(ti)規劃(hua)相適應,本(ben)(ben)次(ci)將(jiang)(jiang)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)治理(li)范圍內的(de)(de)(de)河(he)(he)(he)(he)(he)(he)(he)(he)(he)道(dao)(dao)(dao)局(ju)部段落(luo)進(jin)行(xing)(xing)改(gai)河(he)(he)(he)(he)(he)(he)(he)(he)(he),改(gai)河(he)(he)(he)(he)(he)(he)(he)(he)(he)段長(chang)度(du)為(wei)(wei)3.23km,河(he)(he)(he)(he)(he)(he)(he)(he)(he)道(dao)(dao)(dao)樁(zhuang)(zhuang)號(hao)(hao)為(wei)(wei)0+500~3+730。西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)河(he)(he)(he)(he)(he)(he)(he)(he)(he)道(dao)(dao)(dao)整(zheng)治段全長(chang)5.18km。(3)修建(jian)截(jie)(jie)洪(hong)(hong)溝(gou)。十五里鋪以(yi)南(nan)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)上(shang)(shang)段(即本(ben)(ben)次(ci)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)上(shang)(shang)游(you)(you)改(gai)河(he)(he)(he)(he)(he)(he)(he)(he)(he)段)和下(xia)段之間(jian)及原西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)中游(you)(you)河(he)(he)(he)(he)(he)(he)(he)(he)(he)段的(de)(de)(de)坡面洪(hong)(hong)水(shui),由(you)于南(nan)山公園的(de)(de)(de)植被狀況良好,暴(bao)雨來臨時洪(hong)(hong)水(shui)不(bu)會集中下(xia)泄,因此,沿赤峰市(shi)(shi)(shi)規劃(hua)城(cheng)(cheng)區(qu)西(xi)(xi)南(nan)側的(de)(de)(de)中心城(cheng)(cheng)區(qu)外環(huan)道(dao)(dao)(dao)路(lu)(lu),修建(jian)一條截(jie)(jie)洪(hong)(hong)溝(gou),向(xiang)(xiang)(xiang)北匯(hui)(hui)入(ru)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)內,長(chang)度(du)為(wei)(wei)0.88km。(4)考慮(lv)到西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)上(shang)(shang)游(you)(you)3座(zuo)塘壩(ba)目前(qian)基本(ben)(ben)淤積填滿,壩(ba)體(ti)薄弱,泄洪(hong)(hong)設施不(bu)完善(shan),為(wei)(wei)嚴重病險(xian)塘壩(ba),屬于無人管(guan)理(li)的(de)(de)(de)塘壩(ba),防洪(hong)(hong)能(neng)力(li)較差,且其(qi)(qi)位于赤峰市(shi)(shi)(shi)中心城(cheng)(cheng)區(qu)上(shang)(shang)游(you)(you),一旦(dan)潰壩(ba),將(jiang)(jiang)對(dui)城(cheng)(cheng)市(shi)(shi)(shi)造(zao)成不(bu)可估量(liang)的(de)(de)(de)災害(hai)。如(ru)果下(xia)游(you)(you)城(cheng)(cheng)市(shi)(shi)(shi)防洪(hong)(hong)考慮(lv)其(qi)(qi)潰壩(ba)流量(liang)則會造(zao)成防洪(hong)(hong)工(gong)程規模巨(ju)大,投(tou)資巨(ju)大。本(ben)(ben)次(ci)設計建(jian)議對(dui)其(qi)(qi)進(jin)行(xing)(xing)拆(chai)除(chu),徹底消除(chu)西(xi)(xi)旱(han)(han)(han)(han)河(he)(he)(he)(he)(he)(he)(he)(he)(he)沿河(he)(he)(he)(he)(he)(he)(he)(he)(he)兩(liang)岸的(de)(de)(de)防洪(hong)(hong)隱患。
2.3工程設(she)計方(fang)案
西(xi)(xi)(xi)(xi)旱(han)河(he)(he)及(ji)其上(shang)游(you)改(gai)(gai)河(he)(he)段(duan)治理工程根據現狀(zhuang)河(he)(he)道地形(xing)(xing)及(ji)相關的(de)一系列規(gui)(gui)(gui)劃等進行河(he)(he)道疏浚工程,河(he)(he)道主要采(cai)(cai)用(yong)下(xia)挖式(shi)(shi)(shi),疏浚后(hou)堤頂高(gao)程基本與(yu)城(cheng)市地面(mian)保持齊平。根據相關水(shui)力(li)計(ji)算得:西(xi)(xi)(xi)(xi)旱(han)河(he)(he)及(ji)西(xi)(xi)(xi)(xi)旱(han)河(he)(he)上(shang)游(you)改(gai)(gai)河(he)(he)段(duan)的(de)河(he)(he)道底寬為(wei)10.0m。西(xi)(xi)(xi)(xi)旱(han)河(he)(he)上(shang)游(you)改(gai)(gai)河(he)(he)段(duan)全段(duan)采(cai)(cai)用(yong)鋼(gang)筋(jin)混凝(ning)(ning)土(tu)矩形(xing)(xing)斷(duan)面(mian),西(xi)(xi)(xi)(xi)旱(han)河(he)(he)樁號(hao)0+000~2+200及(ji)3+520~5+180采(cai)(cai)用(yong)鋼(gang)筋(jin)混凝(ning)(ning)土(tu)矩形(xing)(xing)斷(duan)面(mian)、樁號(hao)2+200~3+520采(cai)(cai)用(yong)復(fu)式(shi)(shi)(shi)斷(duan)面(mian)。其中,西(xi)(xi)(xi)(xi)旱(han)河(he)(he)河(he)(he)道樁號(hao)2+200~3+520采(cai)(cai)用(yong)復(fu)式(shi)(shi)(shi)斷(duan)面(mian),這主要是依(yi)據《赤峰市棚戶區改(gai)(gai)造鐵南組團控制性詳細規(gui)(gui)(gui)劃修(xiu)編》,改(gai)(gai)河(he)(he)后(hou)河(he)(he)道左側為(wei)綠地和廣場(chang)用(yong)地,右(you)側為(wei)防護綠地,修(xiu)建(jian)復(fu)式(shi)(shi)(shi)斷(duan)面(mian),可以(yi)(yi)在(zai)(zai)河(he)(he)道進行整(zheng)治的(de)同時,增加市民(min)與(yu)水(shui)的(de)親和性,使河(he)(he)道整(zheng)治更好的(de)符合城(cheng)市規(gui)(gui)(gui)劃。復(fu)式(shi)(shi)(shi)斷(duan)面(mian)的(de)左岸鋼(gang)筋(jin)混凝(ning)(ning)土(tu)的(de)護砌高(gao)度(du)以(yi)(yi)20年一遇常見洪(hong)水(shui)的(de)設(she)計(ji)水(shui)深控制,高(gao)度(du)為(wei)1.0m,左岸鋼(gang)筋(jin)混凝(ning)(ning)土(tu)的(de)護砌高(gao)度(du)以(yi)(yi)上(shang)采(cai)(cai)用(yong)舒(shu)布洛克護坡(po)植草磚,邊坡(po)為(wei)1∶3.0。河(he)(he)道底部及(ji)右(you)岸采(cai)(cai)用(yong)鋼(gang)筋(jin)混凝(ning)(ning)土(tu)護砌。截洪(hong)溝采(cai)(cai)用(yong)格賓網石籠護砌的(de)梯形(xing)(xing)斷(duan)面(mian),在(zai)(zai)截洪(hong)溝尾(wei)端設(she)置(zhi)陡坡(po)緩沖段(duan)至(zhi)西(xi)(xi)(xi)(xi)旱(han)河(he)(he)匯入口,陡坡(po)采(cai)(cai)用(yong)臺階式(shi)(shi)(shi)加糙。陡坡(po)后(hou)布置(zhi)消力(li)池(chi),消力(li)池(chi)后(hou)接(jie)西(xi)(xi)(xi)(xi)旱(han)河(he)(he)上(shang)游(you)段(duan)(鋼(gang)筋(jin)混凝(ning)(ning)土(tu)護砌)。
3結語
3.1河道治理(li)方(fang)案與相關規劃的一致(zhi)性
本次工程設計方(fang)案符合赤峰(feng)市中(zhong)心城(cheng)區(qu)防(fang)洪(hong)規(gui)(gui)劃(hua)(hua)(hua)、赤峰(feng)市總體城(cheng)市規(gui)(gui)劃(hua)(hua)(hua)、赤峰(feng)市棚戶區(qu)改(gai)造鐵南組(zu)團控(kong)制(zhi)性詳細規(gui)(gui)劃(hua)(hua)(hua)及小新(xin)地片區(qu)控(kong)制(zhi)性詳細規(gui)(gui)劃(hua)(hua)(hua)等(deng)一系(xi)列規(gui)(gui)劃(hua)(hua)(hua)。
3.2河道治理方(fang)案與(yu)工(gong)程(cheng)占地的協調性
工(gong)程區位于(yu)赤峰市紅山區,河道(dao)兩岸(an)為城市道(dao)路和居民房(fang)屋,部分(fen)段落樓(lou)房(fang)林立,擴寬河道(dao)及新建堤防難度很大,本次工(gong)程設計(ji)到考慮城市用地緊張,盡量少占地。
3.3河道治理(li)方案可以改善現狀河道環(huan)境
篇2
Abstract: At present, there are many river regulation projects in Zhejiang Province. In the bidding stage, the preparation of the bill of quantities and the setting of the relevant provisions have great influence on the settlement of the later works. This paper briefly introduces the preparation of the bill of quantities of the general river management project, the problems may encounter when combining with other industry costs basis and approaches.
關鍵詞:河道治(zhi)理工(gong)程;工(gong)程量清單;招投標
Key words: river management project;bill of quantities;bidding
中圖(tu)分類號:TV85 文獻標識(shi)碼:A 文章編號:1006-4311(2017)16-0038-03
0 引言
自省(sheng)委(wei)、省(sheng)政府發出(chu)“五(wu)水共治”總動(dong)員以(yi)來,我省(sheng)加大資金投(tou)入力(li)度,治理(li)黑(hei)臭(chou)河(he)、垃圾河(he),著(zhu)力(li)打(da)造(zao)生(sheng)態優美、環境良好的(de)河(he)道(dao)工程(cheng)(cheng)。為保證建設資金的(de)合理(li)使用,在(zai)招投(tou)標階段編(bian)(bian)制(zhi)(zhi)高質(zhi)量(liang)的(de)工程(cheng)(cheng)量(liang)清單(dan)就尤為重要。河(he)道(dao)工程(cheng)(cheng)一(yi)(yi)(yi)般包括河(he)道(dao)護岸、閘泵(beng)工程(cheng)(cheng)、橋梁工程(cheng)(cheng)、河(he)道(dao)生(sheng)態(景觀綠化)工程(cheng)(cheng),在(zai)清單(dan)編(bian)(bian)制(zhi)(zhi)中,須(xu)將這(zhe)些不同專業的(de)項目按照(zhao)各自專業相應規范要求(qiu)分別編(bian)(bian)制(zhi)(zhi)工程(cheng)(cheng)量(liang)清單(dan),并統一(yi)(yi)(yi)成一(yi)(yi)(yi)份工程(cheng)(cheng)量(liang)清單(dan)文件。
在施(shi)工招投標階(jie)段,工程(cheng)量(liang)清單(dan)是招標文(wen)件(jian)的重(zhong)要組成部分,高質量(liang)的工程(cheng)量(liang)清單(dan)是項目順(shun)利(li)(li)實施(shi)的前提保證(zheng),能夠有效(xiao)避免結算中的議。浙(zhe)江(jiang)省(sheng)先后頒發了(le)浙(zhe)水(shui)建〔2012〕42號《浙(zhe)江(jiang)省(sheng)水(shui)利(li)(li)工程(cheng)工程(cheng)量(liang)清單(dan)計(ji)(ji)價辦(ban)法》(以下簡稱《清單(dan)計(ji)(ji)價辦(ban)法》)以及浙(zhe)水(shui)建〔2014〕1號《浙(zhe)江(jiang)省(sheng)水(shui)利(li)(li)水(shui)電工程(cheng)施(shi)工招標文(wen)件(jian)示范文(wen)本》,對(dui)工程(cheng)量(liang)清單(dan)的編制及工程(cheng)價款結算起到了(le)良好的指導作用。
根(gen)據《清(qing)(qing)單(dan)計價(jia)辦法》,水利工(gong)程(cheng)(cheng)工(gong)程(cheng)(cheng)量(liang)(liang)(liang)清(qing)(qing)單(dan)由(you)建筑(zhu)工(gong)程(cheng)(cheng)分類分項工(gong)程(cheng)(cheng)量(liang)(liang)(liang)清(qing)(qing)單(dan)、機電設備及安裝工(gong)程(cheng)(cheng)工(gong)程(cheng)(cheng)量(liang)(liang)(liang)清(qing)(qing)單(dan)、金屬結(jie)構(gou)設備及安裝工(gong)程(cheng)(cheng)工(gong)程(cheng)(cheng)量(liang)(liang)(liang)清(qing)(qing)單(dan)、措施項目(mu)清(qing)(qing)單(dan)、其它項目(mu)清(qing)(qing)單(dan)組成[1]。為保(bao)證在(zai)工(gong)程(cheng)(cheng)招投標(biao)和實施過程(cheng)(cheng)中(zhong)不產生糾紛,在(zai)編制工(gong)程(cheng)(cheng)量(liang)(liang)(liang)清(qing)(qing)單(dan)時應(ying)對每個(ge)工(gong)程(cheng)(cheng)項目(mu)的項目(mu)特征描述清(qing)(qing)楚、簡潔且不產生歧(qi)義。而且應(ying)在(zai)工(gong)程(cheng)(cheng)量(liang)(liang)(liang)清(qing)(qing)單(dan)編制說明中(zhong)將與投標(biao)報(bao)價(jia)有(you)關的問題闡述清(qing)(qing)楚。
1 與建設行(xing)業清單(dan)標準的(de)區別
與建設行業的(de)(de)招(zhao)標(biao)文(wen)件相(xiang)比,水利行業招(zhao)標(biao)文(wen)件有技(ji)術標(biao)準和要求(qiu)(合同技(ji)術條款)章(zhang)節(jie),在(zai)本章(zhang)的(de)(de)計量(liang)和支付(fu)中,也規定(ding)了每(mei)個工程項目(mu)的(de)(de)結算方式(shi)。而且,根據合同文(wen)件的(de)(de)優先順(shun)序,技(ji)術標(biao)準和要求(qiu)在(zai)已(yi)標(biao)價(jia)的(de)(de)工程量(liang)清單(dan)之前,因此,在(zai)編(bian)制(zhi)工程量(liang)清單(dan)時,要與招(zhao)標(biao)文(wen)件編(bian)制(zhi)人員(yuan)充分(fen)溝(gou)通,避(bi)免前后矛(mao)盾,造成實(shi)際(ji)結算與清單(dan)編(bian)制(zhi)意圖(tu)相(xiang)悖[2]。
2 河道護(hu)岸工(gong)程(cheng)工(gong)程(cheng)量清單編(bian)制
河道護(hu)岸工程在項目(mu)中(zhong)所(suo)占投資比重較大(da),但工程項目(mu)相(xiang)對單(dan)一,主要包括土方(fang)(fang)開挖、土方(fang)(fang)填筑、碎(sui)石(shi)墊(dian)層、石(shi)渣填筑、拋石(shi)護(hu)腳、擋(dang)(dang)墻、擋(dang)(dang)墻基(ji)礎、擋(dang)(dang)墻壓頂、種植土回填、草皮(pi)護(hu)坡(po)以及河道疏浚(jun)等項目(mu)。
土(tu)(tu)方(fang)(fang)(fang)(fang)開挖項目的(de)(de)(de)項目特征(zheng),根據(ju)《清(qing)單計(ji)價辦(ban)法》應注明土(tu)(tu)類(lei)級(ji)別及運(yun)距(ju)。對(dui)(dui)于(yu)(yu)河(he)道(dao)項目線路較(jiao)長,很難(nan)確(que)(que)定(ding)單一的(de)(de)(de)土(tu)(tu)類(lei)級(ji)別,且確(que)(que)定(ding)的(de)(de)(de)土(tu)(tu)類(lei)級(ji)別對(dui)(dui)于(yu)(yu)項目實(shi)施期間的(de)(de)(de)工程結算會帶來(lai)較(jiao)大的(de)(de)(de)爭議,因(yin)此(ci)(ci)在(zai)編(bian)制清(qing)單時,在(zai)特征(zheng)欄中(zhong)應注明土(tu)(tu)類(lei)級(ji)別由(you)投(tou)標方(fang)(fang)(fang)(fang)根據(ju)提供的(de)(de)(de)地(di)質報告(gao)自(zi)行確(que)(que)定(ding),除地(di)質情(qing)況(kuang)發生變化外,不調整(zheng)土(tu)(tu)類(lei)級(ji)別。對(dui)(dui)于(yu)(yu)土(tu)(tu)方(fang)(fang)(fang)(fang)的(de)(de)(de)運(yun)距(ju),分為(wei)兩類(lei),可用(yong)作(zuo)(zuo)回填(tian)料的(de)(de)(de)土(tu)(tu)方(fang)(fang)(fang)(fang)和土(tu)(tu)方(fang)(fang)(fang)(fang)棄料。用(yong)作(zuo)(zuo)回填(tian)料的(de)(de)(de)土(tu)(tu)方(fang)(fang)(fang)(fang)運(yun)距(ju)由(you)投(tou)標方(fang)(fang)(fang)(fang)根據(ju)自(zi)身的(de)(de)(de)施工組織方(fang)(fang)(fang)(fang)案(an)自(zi)行確(que)(que)定(ding),而(er)土(tu)(tu)方(fang)(fang)(fang)(fang)棄料相對(dui)(dui)較(jiao)為(wei)復雜。由(you)于(yu)(yu)浙江省(sheng)初步設(she)計(ji)階段(duan)對(dui)(dui)于(yu)(yu)土(tu)(tu)方(fang)(fang)(fang)(fang)棄渣場的(de)(de)(de)問(wen)題一直比較(jiao)含糊,因(yin)此(ci)(ci)在(zai)招投(tou)標階段(duan)或者工程實(shi)施階段(duan)棄渣場的(de)(de)(de)問(wen)題一直是困擾業主和投(tou)標方(fang)(fang)(fang)(fang)的(de)(de)(de)一個較(jiao)大的(de)(de)(de)問(wen)題。因(yin)此(ci)(ci),在(zai)編(bian)制清(qing)單時,對(dui)(dui)于(yu)(yu)土(tu)(tu)方(fang)(fang)(fang)(fang)棄渣一般會出現以下幾種情(qing)況(kuang):
①已有明(ming)確的(de)棄(qi)(qi)(qi)渣場(chang)地(di)(di)(di)。如(ru)果(guo)已有明(ming)確的(de)棄(qi)(qi)(qi)渣場(chang)地(di)(di)(di),那么在編(bian)制清單時(shi),應注明(ming)該棄(qi)(qi)(qi)渣場(chang)地(di)(di)(di)的(de)范圍,由投標方根據(ju)棄(qi)(qi)(qi)渣場(chang)地(di)(di)(di)范圍自行確定棄(qi)(qi)(qi)渣運距。
②招(zhao)投標過程(cheng)(cheng)中(zhong)(zhong)無法明確棄(qi)(qi)渣(zha)場地,但在項目實施過程(cheng)(cheng)中(zhong)(zhong)業主會明確棄(qi)(qi)渣(zha)場地,一般(ban)在投標過程(cheng)(cheng)中(zhong)(zhong)暫定棄(qi)(qi)渣(zha)運距(ju),再根(gen)據實施過程(cheng)(cheng)中(zhong)(zhong)的棄(qi)(qi)渣(zha)場地重新(xin)測算棄(qi)(qi)渣(zha)運距(ju),根(gen)據實際(ji)的運距(ju)重新(xin)調(diao)整(zheng)土(tu)方開(kai)挖單(dan)價。
③無(wu)明(ming)確棄(qi)渣(zha)(zha)場地,且業(ye)主(zhu)方無(wu)法解決棄(qi)渣(zha)(zha)場地。在招(zhao)投標(biao)(biao)過程中,業(ye)主(zhu)方將棄(qi)渣(zha)(zha)問(wen)題交由(you)投標(biao)(biao)方自行解決。這種情況一(yi)般適用于工程棄(qi)渣(zha)(zha)較少,對項目(mu)影(ying)響不大時(shi)采用。若項目(mu)棄(qi)渣(zha)(zha)較多,應建議(yi)業(ye)主(zhu)方解決棄(qi)渣(zha)(zha)問(wen)題,避免(mian)后期施工單位亂(luan)倒(dao)亂(luan)放引起其(qi)他諸(zhu)多問(wen)題。
土方(fang)(fang)(fang)開(kai)挖項(xiang)目在(zai)列項(xiang)時,若(ruo)由于開(kai)挖機械(xie)不(bu)同(tong)、運輸方(fang)(fang)(fang)式(shi)不(bu)同(tong),需要劃(hua)分(fen)(fen)為水(shui)下(xia)、水(shui)上(shang)土方(fang)(fang)(fang)開(kai)挖的,則(ze)應在(zai)清單說明(ming)(ming)中寫明(ming)(ming)水(shui)下(xia)、水(shui)上(shang)土方(fang)(fang)(fang)開(kai)挖的分(fen)(fen)界(jie)面,明(ming)(ming)確計量方(fang)(fang)(fang)法。在(zai)劃(hua)分(fen)(fen)時,不(bu)能簡單的按照高程線(xian)進行(xing)劃(hua)分(fen)(fen),例如對(dui)于灘(tan)地較大(da)的地方(fang)(fang)(fang),可以預留土坎(kan)進行(xing)開(kai)挖,則(ze)在(zai)土坎(kan)內的土方(fang)(fang)(fang)均(jun)可按照水(shui)上(shang)土方(fang)(fang)(fang)的開(kai)挖運輸方(fang)(fang)(fang)式(shi)進行(xing)施工。
對于(yu)河(he)(he)道項目(mu),由(you)(you)于(yu)線(xian)路長(chang),工程情況(kuang)復雜,河(he)(he)道沿線(xian)的(de)(de)(de)各種(zhong)垃圾及政(zheng)策(ce)處(chu)理后(hou)(hou)的(de)(de)(de)各種(zhong)房屋建筑物、構(gou)筑物的(de)(de)(de)拆除(chu)等情況(kuang)時有發生(sheng),在(zai)前期設(she)計(ji)階段(duan)也(ye)很難(nan)將這些情況(kuang)反(fan)映(ying)在(zai)設(she)計(ji)圖紙上,因此(ci)很難(nan)在(zai)清單編制(zhi)時將這些情況(kuang)都(dou)考慮到,為(wei)了減少后(hou)(hou)期結算的(de)(de)(de)工作量,避免不必(bi)要的(de)(de)(de)糾紛(fen),一(yi)般(ban)在(zai)清單編制(zhi)時,將上部(bu)的(de)(de)(de)垃圾處(chu)理、建筑物構(gou)筑物拆除(chu)所(suo)需的(de)(de)(de)費用包括到土方開挖中,由(you)(you)投標方自行考慮。
土方(fang)回填(tian)(tian)項(xiang)目(mu)的(de)項(xiang)目(mu)特征,根據《清單計價辦法(fa)》應注明(ming)土類分級及含水(shui)量、填(tian)(tian)筑體(ti)干密(mi)度、運(yun)距等。在編(bian)制該項(xiang)目(mu)清單時,應根據設(she)計要求填(tian)(tian)寫各參數,對于土方(fang)回填(tian)(tian)項(xiang)目(mu)主要出現以下幾種情況:
①若本項目土方(fang)(fang)(fang)開(kai)(kai)挖(wa)量大,土方(fang)(fang)(fang)回(hui)填料全部可利用開(kai)(kai)挖(wa)料,那么在(zai)清單描(miao)述時,應(ying)有投(tou)標(biao)方(fang)(fang)(fang)根據自(zi)身的(de)施(shi)工組織設計方(fang)(fang)(fang)案自(zi)行確定(ding)土方(fang)(fang)(fang)回(hui)填料的(de)運距。
②若本(ben)項目(mu)土(tu)方(fang)開挖量較回填量小,不足(zu)土(tu)方(fang)由(you)業主方(fang)確(que)定土(tu)料(liao)料(liao)源,則(ze)在清單(dan)描述時,利(li)用開挖土(tu)方(fang)料(liao)的由(you)投標方(fang)自行確(que)定回填料(liao)運距,不足(zu)土(tu)方(fang)料(liao)應明確(que)料(liao)源的準確(que)地點,由(you)投標方(fang)自行確(que)定運距。
③若本項(xiang)目土(tu)方開(kai)挖量較回填(tian)(tian)量小,業主方無法解(jie)決(jue)土(tu)料料源問(wen)題(ti),則可(ke)由投標方自(zi)(zi)行(xing)(xing)解(jie)決(jue)料源問(wen)題(ti),應(ying)在清(qing)單特(te)征(zheng)中(zhong)將(jiang)回填(tian)(tian)土(tu)料的(de)設計要(yao)求描述清(qing)楚,由投標方自(zi)(zi)行(xing)(xing)解(jie)決(jue)。
碎石墊層項目(mu)的項目(mu)特征,根據《清單計價辦法(fa)》應(ying)注明碎石料的粒徑、鋪設厚度等參數。
石(shi)(shi)(shi)(shi)渣(zha)料填筑項目的項目特征,根據《清單計(ji)價辦法》應注明(ming)石(shi)(shi)(shi)(shi)渣(zha)料的設(she)計(ji)要(yao)(yao)求、壓實要(yao)(yao)求以及石(shi)(shi)(shi)(shi)渣(zha)料的來源等,一般河道(dao)項目的石(shi)(shi)(shi)(shi)渣(zha)料由投標方自行(xing)解(jie)決。
拋(pao)石護腳項目的(de)項目特征,根據《清單計價(jia)辦法》應注明拋(pao)石料的(de)設計要求(qiu)拋(pao)石料的(de)來(lai)源等(deng),一般河道項目的(de)拋(pao)石料由投標方自行解決。
對于軟(ruan)基(ji)(ji)河道,由于基(ji)(ji)礎軟(ruan)弱(ruo),在施工期間以及工程(cheng)(cheng)完成(cheng)后,沉降量較大,因此在招投(tou)標過程(cheng)(cheng)中,應(ying)充分考慮由于沉降等引起的工程(cheng)(cheng)結算方法。一般(ban)有兩(liang)種處(chu)理(li)方法:
①完全由投標方自(zi)行(xing)考慮沉降引起的工程(cheng)量(liang)增大(da),在投標單價中考慮沉降因素(su)。
②由(you)于投(tou)(tou)標(biao)方(fang)對(dui)于工程所在地(di)工程條件的(de)(de)不(bu)熟悉,為幫助(zhu)投(tou)(tou)標(biao)方(fang)投(tou)(tou)標(biao)報價,在招標(biao)清單說(shuo)明中,注明各項(xiang)目(mu)由(you)于沉降引起的(de)(de)擴大(da)系數(shu),此(ci)擴大(da)系數(shu)僅作為各投(tou)(tou)標(biao)方(fang)投(tou)(tou)標(biao)報價的(de)(de)參考系數(shu),不(bu)做為最終(zhong)的(de)(de)結算系數(shu),由(you)投(tou)(tou)標(biao)方(fang)自行考慮該系數(shu)是否能夠正確反映工程實(shi)際情況。
擋(dang)(dang)墻(qiang)項(xiang)目,一般的設計可設置為混凝土擋(dang)(dang)墻(qiang)、漿砌(qi)塊石擋(dang)(dang)墻(qiang)、干砌(qi)塊石擋(dang)(dang)墻(qiang)、灌砌(qi)塊石擋(dang)(dang)墻(qiang)、生態砌(qi)塊擋(dang)(dang)墻(qiang)等。
混凝(ning)土擋墻項目(mu)的(de)項目(mu)特(te)征,根據(ju)《清單計價辦法》應注明混凝(ning)土的(de)強度等級、抗滲抗凍抗磨等要求、墻身(shen)厚度等參數。
漿(jiang)砌(qi)塊(kuai)石(shi)(shi)擋墻(qiang)項(xiang)目(mu)的(de)(de)項(xiang)目(mu)特(te)征,根據《清(qing)單計(ji)(ji)價(jia)辦法》應(ying)(ying)注明砌(qi)筑砂漿(jiang)的(de)(de)強(qiang)度(du)(du)等級、塊(kuai)石(shi)(shi)的(de)(de)設計(ji)(ji)要(yao)求(qiu)、勾縫要(yao)求(qiu)等參數(shu)。由(you)于塊(kuai)石(shi)(shi)的(de)(de)平整度(du)(du),表面處(chu)理(li)方式等對(dui)塊(kuai)石(shi)(shi)價(jia)格影響較大,因(yin)此應(ying)(ying)特(te)別(bie)關注塊(kuai)石(shi)(shi)的(de)(de)設計(ji)(ji)要(yao)求(qiu)。
干砌塊(kuai)石(shi)擋墻項目的(de)項目特征,根據《清(qing)單計(ji)價(jia)辦法》應(ying)注明(ming)塊(kuai)石(shi)的(de)材質(zhi)及規格要求。
灌(guan)砌塊(kuai)石擋墻項目(mu)的項目(mu)特(te)征,根據(ju)《清(qing)單計價辦法》應(ying)注明塊(kuai)石的材質及規格要求(qiu)、混凝(ning)土強度等級等參數。
生態砌塊擋墻,在(zai)《清單(dan)計(ji)價辦(ban)法》中沒有(you)明(ming)(ming)確的清單(dan)計(ji)價說明(ming)(ming),對于該項目一般按(an)照平(ping)米進行(xing)計(ji)價,在(zai)清單(dan)特征中,應注(zhu)明(ming)(ming)砌塊的設(she)計(ji)參數,以及除砌塊以外的其它施工要(yao)求(qiu),并注(zhu)明(ming)(ming)計(ji)量方(fang)法,避免后期的結(jie)算(suan)糾(jiu)紛。
擋墻壓頂(ding)一般為混凝土(tu)壓頂(ding),根據《清單計價辦法》應注明混凝土(tu)的強度等級、抗滲抗凍(dong)抗磨等要求、壓頂(ding)厚(hou)度等參(can)數。對于生態砌(qi)(qi)塊(kuai)擋墻,壓頂(ding)砌(qi)(qi)塊(kuai)與擋墻砌(qi)(qi)塊(kuai)型式不同(tong),應按照(zhao)不同(tong)砌(qi)(qi)塊(kuai)型式單獨列(lie)項。
種植(zhi)土(tu)(tu)回填(tian)項目的項目特(te)征,根(gen)據《清單計價(jia)辦法(fa)》應(ying)注(zhu)明(ming)種植(zhi)土(tu)(tu)的設(she)計要求,以及料源,種植(zhi)土(tu)(tu)鋪設(she)厚度等(deng)參數(shu)。
草皮護坡項目(mu)的(de)項目(mu)特(te)征,根據《清(qing)單計價辦法》應(ying)注(zhu)明草皮種類以及養(yang)護期等參數。
河道疏(shu)浚(jun)(jun)(jun)項目根據工程實(shi)際(ji)情況,可采(cai)(cai)用不同(tong)的(de)(de)(de)(de)疏(shu)浚(jun)(jun)(jun)方(fang)(fang)(fang)(fang)式(shi),包括挖掘機開(kai)挖、水力沖(chong)挖、船舶疏(shu)浚(jun)(jun)(jun)等。若在前期設(she)計中已明(ming)確必須采(cai)(cai)用何種(zhong)疏(shu)浚(jun)(jun)(jun)方(fang)(fang)(fang)(fang)式(shi),則在清(qing)單特征(zheng)(zheng)中應(ying)明(ming)確具體的(de)(de)(de)(de)疏(shu)浚(jun)(jun)(jun)方(fang)(fang)(fang)(fang)式(shi)及(ji)其相應(ying)的(de)(de)(de)(de)特征(zheng)(zheng)參數;若未(wei)明(ming)確疏(shu)浚(jun)(jun)(jun)方(fang)(fang)(fang)(fang)式(shi)或各種(zhong)疏(shu)浚(jun)(jun)(jun)方(fang)(fang)(fang)(fang)式(shi)皆可,則在清(qing)單特征(zheng)(zheng)中不宜描(miao)述(shu)具體的(de)(de)(de)(de)疏(shu)浚(jun)(jun)(jun)方(fang)(fang)(fang)(fang)式(shi),以避免清(qing)單中所要(yao)求(qiu)的(de)(de)(de)(de)疏(shu)浚(jun)(jun)(jun)方(fang)(fang)(fang)(fang)式(shi)與(yu)實(shi)際(ji)疏(shu)浚(jun)(jun)(jun)方(fang)(fang)(fang)(fang)式(shi)不同(tong),造(zao)成變更,引(yin)起(qi)不必要(yao)的(de)(de)(de)(de)索賠。對于(yu)疏(shu)浚(jun)(jun)(jun)土(tu)方(fang)(fang)(fang)(fang)的(de)(de)(de)(de)土(tu)類級別(bie)、棄土(tu)運距等參數如何描(miao)述(shu),可參考土(tu)方(fang)(fang)(fang)(fang)開(kai)挖項目的(de)(de)(de)(de)相關說明(ming)。
3 閘泵工程(cheng)(cheng)工程(cheng)(cheng)量清單編制(zhi)
相對于河道護岸工(gong)程,閘泵工(gong)程要(yao)復雜一些,除了建筑工(gong)程以外,還包括機電(dian)設備及安裝(zhuang)工(gong)程、金(jin)屬結(jie)構設備及安裝(zhuang)工(gong)程、上部(bu)啟閉機房(fang)等。
泵(beng)站工(gong)程的(de)建筑(zhu)工(gong)程主要包括土(tu)方(fang)開挖、土(tu)方(fang)回填(tian)、混(hun)凝(ning)土(tu)澆筑(zhu)、鋼筋制安、混(hun)凝(ning)土(tu)鉆孔灌注樁、水泥攪拌樁等項目(mu)。
土(tu)(tu)方(fang)開(kai)挖(wa)項目的(de)項目特征,根據《清單計(ji)價辦法》應注明土(tu)(tu)類(lei)級(ji)別及運距(ju)(ju)。由(you)于開(kai)挖(wa)土(tu)(tu)方(fang)部分要用作回填土(tu)(tu)料,因此除棄(qi)土(tu)(tu)外(wai)的(de)回填土(tu)(tu)料運距(ju)(ju)由(you)投標方(fang)根據自身的(de)施工組織設計(ji)自行確定(ding)。
土方回填項(xiang)目的(de)項(xiang)目特征,根據(ju)《清單計價辦法(fa)》應注明干密度、土類分級及其(qi)運距。
混凝土(tu)(tu)澆筑(zhu)項目(mu)的項目(mu)特征,根據(ju)《清單(dan)計價(jia)辦法》應注明各(ge)混凝土(tu)(tu)部(bu)位及類型、設(she)計強度、抗(kang)(kang)(kang)滲抗(kang)(kang)(kang)凍抗(kang)(kang)(kang)磨要求等參數。在編制清單(dan)過程中,不要遺(yi)漏二期混凝土(tu)(tu)、伸縮縫、止水工程等細部(bu)結構(gou)項目(mu)。
鋼(gang)筋(jin)制安(an)項目(mu)的項目(mu)特征(zheng),根據《清(qing)單計(ji)價辦法》應(ying)注(zhu)明鋼(gang)筋(jin)型號及規格等(deng)參數。
混凝(ning)土鉆(zhan)孔(kong)灌(guan)注(zhu)(zhu)樁項目的(de)項目特(te)征,根據《清單計價(jia)辦法》應注(zhu)(zhu)明(ming)混凝(ning)土級別、樁徑、樁長等(deng)參數。除以上參數外(wai),在清單編制說明(ming)增(zeng)加以下說明(ming):灌(guan)注(zhu)(zhu)樁檢驗試驗、灌(guan)注(zhu)(zhu)于樁頂設計高程以上需(xu)要鑿(zao)去的(de)混凝(ning)土、鉆(zhan)孔(kong)灌(guan)注(zhu)(zhu)樁混凝(ning)土的(de)操作損耗、埋設孔(kong)口裝置、造孔(kong)、清孔(kong)、臨時(或永久(jiu))鋼護筒(tong)、護壁、泥漿(jiang)系統、施(shi)工平(ping)臺、泥漿(jiang)外(wai)運以及(ji)混凝(ning)土拌合、運輸和灌(guan)注(zhu)(zhu)、空鉆(zhan)、鑿(zao)樁頭等(deng)工作所需(xu)的(de)費用(yong),應計入相關項目的(de)單價(jia)或總價(jia)中。
水(shui)泥攪拌(ban)樁項目(mu)的項目(mu)特征(zheng)(zheng),根據《清單(dan)計價辦法(fa)》應注明樁徑、樁長、水(shui)泥摻入量等參(can)數,若設計圖紙中有規(gui)定攪拌(ban)樁的施(shi)工工藝(yi)要求(qiu),那么在清單(dan)特征(zheng)(zheng)中也應描述清楚。
泵(beng)站工(gong)程的(de)(de)機(ji)電設(she)備及(ji)安裝(zhuang)(zhuang)工(gong)程以及(ji)金屬結(jie)構設(she)備及(ji)安裝(zhuang)(zhuang)工(gong)程應(ying)與招標文件的(de)(de)技術條(tiao)款相對應(ying),不漏(lou)項。
上部(bu)啟閉(bi)機房工(gong)(gong)程(cheng)根據《建設工(gong)(gong)程(cheng)工(gong)(gong)程(cheng)量清(qing)(qing)單(dan)(dan)計價規范》GB50500-2013相應(ying)的計價辦法編制清(qing)(qing)單(dan)(dan),由于該上部(bu)結構是附屬(shu)于整個水利(li)工(gong)(gong)程(cheng)的,因此部(bu)分規定(ding)應(ying)按水利(li)工(gong)(gong)程(cheng)的相關規定(ding)進行(xing)調整。如安全文明施(shi)工(gong)(gong)費、施(shi)工(gong)(gong)保險等。上部(bu)啟閉(bi)機房工(gong)(gong)程(cheng)中與泵站工(gong)(gong)程(cheng)中的相同項目盡量合并到一起(qi),避(bi)免(mian)同一項目出現兩(liang)個工(gong)(gong)程(cheng)單(dan)(dan)價,避(bi)免(mian)結算(suan)糾(jiu)紛。
4 橋梁工(gong)程及河道生(sheng)態(景觀綠(lv)化)工(gong)程工(gong)程量清單(dan)編(bian)制
這兩(liang)類工(gong)(gong)程(cheng)應分別(bie)按照《交(jiao)通(tong)建設(she)工(gong)(gong)程(cheng)工(gong)(gong)程(cheng)量(liang)清(qing)渭萍(ping)酃娣丁(ding)貳《建設(she)工(gong)(gong)程(cheng)工(gong)(gong)程(cheng)量(liang)清(qing)單計(ji)價規范》及(ji)《園林綠(lv)化(hua)工(gong)(gong)程(cheng)工(gong)(gong)程(cheng)量(liang)計(ji)算規范》等進行編制,并將這兩(liang)部分清(qing)單合(he)并到水利工(gong)(gong)程(cheng)量(liang)清(qing)單中。在清(qing)單合(he)并過程(cheng)中,應特別(bie)注意(yi)臨時工(gong)(gong)程(cheng)、其他費用的設(she)置問題。
在(zai)某(mou)些(xie)編制單(dan)位中,將清(qing)(qing)(qing)單(dan)編制任務根據不(bu)(bu)同(tong)(tong)(tong)專(zhuan)業進(jin)行(xing)分(fen)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong),最后再進(jin)行(xing)合并,而(er)沒有考慮到(dao)不(bu)(bu)同(tong)(tong)(tong)專(zhuan)業的計價(jia)(jia)(jia)體系不(bu)(bu)同(tong)(tong)(tong),容易造成歧(qi)義,在(zai)結(jie)算(suan)過程(cheng)(cheng)中引起索賠或爭(zheng)議。如臺州某(mou)河(he)道治理工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)中,在(zai)招標(biao)(biao)文件(jian)中約(yue)定(ding)“本合同(tong)(tong)(tong)采用(yong)單(dan)價(jia)(jia)(jia)承(cheng)包(bao),在(zai)合同(tong)(tong)(tong)執(zhi)行(xing)期內,除合同(tong)(tong)(tong)約(yue)定(ding)可調整外其(qi)余不(bu)(bu)作調整,工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)量(liang)(liang)按(an)實調整。措(cuo)施(shi)項(xiang)(xiang)(xiang)目(mu)(mu)和(he)其(qi)他項(xiang)(xiang)(xiang)目(mu)(mu)(除水利工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)安(an)全施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)費(fei)(fei)、預留金(暫列金額)和(he)保險費(fei)(fei)外)均(jun)采用(yong)總(zong)價(jia)(jia)(jia)承(cheng)包(bao),合同(tong)(tong)(tong)執(zhi)行(xing)期間不(bu)(bu)作調整。”,而(er)本項(xiang)(xiang)(xiang)目(mu)(mu)除河(he)道治理工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)屬(shu)于水利工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)計價(jia)(jia)(jia)以(yi)(yi)外,還(huan)包(bao)括(kuo)房屋建筑工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)、景觀綠化工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)、橋梁工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)等項(xiang)(xiang)(xiang)目(mu)(mu),這些(xie)項(xiang)(xiang)(xiang)目(mu)(mu)的工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)量(liang)(liang)清(qing)(qing)(qing)單(dan)均(jun)按(an)照《建設工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)量(liang)(liang)清(qing)(qing)(qing)單(dan)計價(jia)(jia)(jia)規(gui)范》進(jin)行(xing)編制,根據《建設工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)量(liang)(liang)清(qing)(qing)(qing)單(dan)計價(jia)(jia)(jia)規(gui)范》,工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)量(liang)(liang)清(qing)(qing)(qing)單(dan)由分(fen)部分(fen)項(xiang)(xiang)(xiang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)量(liang)(liang)清(qing)(qing)(qing)單(dan)、施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)技(ji)術措(cuo)施(shi)項(xiang)(xiang)(xiang)目(mu)(mu)清(qing)(qing)(qing)單(dan)、施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)組(zu)織(zhi)措(cuo)施(shi)項(xiang)(xiang)(xiang)目(mu)(mu)清(qing)(qing)(qing)單(dan)以(yi)(yi)及其(qi)他項(xiang)(xiang)(xiang)目(mu)(mu)清(qing)(qing)(qing)單(dan)組(zu)成。一般情況下,施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)技(ji)術措(cuo)施(shi)項(xiang)(xiang)(xiang)目(mu)(mu)清(qing)(qing)(qing)單(dan)中模板、腳手架、樹木支(zhi)撐等可以(yi)(yi)計量(liang)(liang)的項(xiang)(xiang)(xiang)目(mu)(mu)按(an)照單(dan)價(jia)(jia)(jia)承(cheng)包(bao),其(qi)他以(yi)(yi)項(xiang)(xiang)(xiang)計量(liang)(liang)的按(an)照總(zong)價(jia)(jia)(jia)承(cheng)包(bao)進(jin)行(xing)結(jie)算(suan),而(er)招標(biao)(biao)文件(jian)規(gui)定(ding)措(cuo)施(shi)項(xiang)(xiang)(xiang)目(mu)(mu)均(jun)采用(yong)總(zong)價(jia)(jia)(jia)承(cheng)包(bao),由此造成結(jie)算(suan)費(fei)(fei)用(yong)與實際發生(sheng)費(fei)(fei)用(yong)不(bu)(bu)符,進(jin)而(er)影響工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)質(zhi)量(liang)(liang)及進(jin)度。
5 措施項目清單編制
一般來(lai)說,河道治理工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)的(de)(de)(de)措(cuo)(cuo)施(shi)(shi)(shi)項目(mu)(mu)實行總(zong)價(jia)承包(bao),但對(dui)于(yu)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)要(yao)求復雜的(de)(de)(de)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)導(dao)流工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)或者(zhe)大型閘(zha)泵工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)的(de)(de)(de)基坑開(kai)挖工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng),也有可(ke)能按(an)照單(dan)價(jia)承包(bao)方式,則該部分(fen)(fen)需要(yao)遵(zun)照建筑工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)分(fen)(fen)類分(fen)(fen)項工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)量清(qing)(qing)單(dan)的(de)(de)(de)要(yao)求進行編(bian)(bian)制。措(cuo)(cuo)施(shi)(shi)(shi)項目(mu)(mu)可(ke)以體(ti)(ti)現各投標人(ren)對(dui)于(yu)整個項目(mu)(mu)的(de)(de)(de)理解,對(dui)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)方案(an)、施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)布(bu)置的(de)(de)(de)確(que)定,體(ti)(ti)現各投標人(ren)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技(ji)術、生產(chan)管理水平(ping)及其(qi)企業生產(chan)力水平(ping)。因此,在編(bian)(bian)制該部分(fen)(fen)清(qing)(qing)單(dan)時(shi),除單(dan)價(jia)承包(bao)部分(fen)(fen)外(wai),其(qi)他(ta)只需按(an)照《清(qing)(qing)單(dan)計價(jia)辦法》的(de)(de)(de)要(yao)求列出施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)導(dao)流工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)、施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)交(jiao)通工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)、施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)場外(wai)供電工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)、施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)房屋建筑工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)及其(qi)他(ta)臨時(shi)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)幾大項目(mu)(mu)即(ji)可(ke)[3]。
6 安全施工費
目前,國家對工(gong)(gong)程安(an)(an)全(quan)問題十分(fen)重視,安(an)(an)全(quan)施(shi)(shi)(shi)工(gong)(gong)費所占的(de)投(tou)資(zi)比例也(ye)較以往增(zeng)加很多。根據浙(zhe)(zhe)水(shui)建〔2013〕81號《浙(zhe)(zhe)江省水(shui)利(li)工(gong)(gong)程造價計價依(yi)據(2010年)》補充規定(一),我省水(shui)利(li)工(gong)(gong)程的(de)安(an)(an)全(quan)施(shi)(shi)(shi)工(gong)(gong)費按建筑安(an)(an)裝工(gong)(gong)作量的(de)2%計取[4],在(zai)招標文件(jian)編制(zhi)中要設置合(he)適的(de)條款(kuan),監督施(shi)(shi)(shi)工(gong)(gong)單(dan)(dan)位(wei)在(zai)安(an)(an)全(quan)施(shi)(shi)(shi)工(gong)(gong)方面(mian)用足相關資(zi)金,既保證施(shi)(shi)(shi)工(gong)(gong)單(dan)(dan)位(wei)利(li)益(yi),又促進項(xiang)目的(de)安(an)(an)全(quan)推進。
該臺州(zhou)河(he)道(dao)治(zhi)理(li)工程的招標(biao)文(wen)件中規(gui)定:工程開(kai)工前,承(cheng)包人應(ying)編制(zhi)詳細的安(an)(an)全(quan)(quan)(quan)生產措施(shi)方案(an)及費用計劃報監理(li)人審(shen)核(he),發包人審(shen)批。工程實施(shi)過程中,承(cheng)包人應(ying)按有關(guan)規(gui)定建立安(an)(an)全(quan)(quan)(quan)施(shi)工費使用臺賬(zhang)。安(an)(an)全(quan)(quan)(quan)生產施(shi)工費須經(jing)第(di)三(san)方審(shen)價(jia)單位(wei)審(shen)核(he)后才能支付。市政(zheng)及景觀(guan)綠化(hua)工程按國家、和(he)省、臺州(zhou)市等有關(guan)規(gui)定及本(ben)節規(gui)定執行(xing),安(an)(an)全(quan)(quan)(quan)文(wen)明施(shi)工費實行(xing)總(zong)價(jia)承(cheng)包。
該項目對安全施(shi)工(gong)(gong)費(fei)(fei)按照(zhao)各自行(xing)業規定進(jin)行(xing)結算(suan)(suan)(suan),造成后期結算(suan)(suan)(suan)無(wu)(wu)法進(jin)行(xing)。水(shui)(shui)利(li)(li)(li)部(bu)分(fen)(fen)(fen)按照(zhao)要求需列安全施(shi)工(gong)(gong)費(fei)(fei)使用(yong)臺賬才能結算(suan)(suan)(suan),而市(shi)政及(ji)景觀(guan)(guan)綠化工(gong)(gong)程(cheng)(cheng)(cheng)實(shi)行(xing)總價承包。在實(shi)際實(shi)施(shi)過程(cheng)(cheng)(cheng)中(zhong),水(shui)(shui)利(li)(li)(li)工(gong)(gong)程(cheng)(cheng)(cheng)和市(shi)政及(ji)景觀(guan)(guan)綠化部(bu)分(fen)(fen)(fen)是(shi)位(wei)于同一位(wei)置的,無(wu)(wu)法區分(fen)(fen)(fen)哪部(bu)分(fen)(fen)(fen)屬于水(shui)(shui)利(li)(li)(li)工(gong)(gong)程(cheng)(cheng)(cheng)部(bu)分(fen)(fen)(fen),哪部(bu)分(fen)(fen)(fen)屬于市(shi)政和景觀(guan)(guan)綠化部(bu)分(fen)(fen)(fen),造成結算(suan)(suan)(suan)爭議。因此,在編制清(qing)單時,應統一安全施(shi)工(gong)(gong)費(fei)(fei)的計列及(ji)結算(suan)(suan)(suan)方法,不再各自分(fen)(fen)(fen)別計列,應統一計列到水(shui)(shui)利(li)(li)(li)工(gong)(gong)程(cheng)(cheng)(cheng)部(bu)分(fen)(fen)(fen),按照(zhao)水(shui)(shui)利(li)(li)(li)工(gong)(gong)程(cheng)(cheng)(cheng)的相關要求進(jin)行(xing)結算(suan)(suan)(suan)。
7 結論
河道治(zhi)理工程涉及不(bu)同行業(ye)較多,不(bu)能簡(jian)單按照各行業(ye)的(de)計(ji)(ji)價(jia)(jia)規(gui)范進行編(bian)制(zhi),應深刻理解(jie)各行業(ye)計(ji)(ji)價(jia)(jia)規(gui)范的(de)差別,以避免(mian)發生合同爭議。在(zai)清(qing)單編(bian)制(zhi)過程中涉及的(de)法律、法規(gui)和標準規(gui)范非(fei)常(chang)廣泛(fan),清(qing)單計(ji)(ji)價(jia)(jia)活動是(shi)政策性(xing)(xing)、經(jing)濟型、技術性(xing)(xing)很(hen)強的(de)一項工作,作為(wei)水利造(zao)(zao)價(jia)(jia)人員(yuan)應立足于水利造(zao)(zao)價(jia)(jia),不(bu)斷拓展其他相關行業(ye)的(de)造(zao)(zao)價(jia)(jia)計(ji)(ji)價(jia)(jia),提(ti)升自身(shen)的(de)工程造(zao)(zao)價(jia)(jia)管理水平。
參考文獻:
[1]浙江(jiang)省水(shui)(shui)利廳.浙江(jiang)省水(shui)(shui)利工程工程量清(qing)單計價辦法[S].2012.
[2]浙江省水利水電工程施工招標文(wen)件示范文(wen)本[S].2014.
篇3
關(guan)鍵詞:河(he)道治理;設計(ji);施(shi)工技術;應用
中圖分類(lei)號:TV52 文(wen)(wen)獻標識(shi)碼:A 文(wen)(wen)章編號:1006-7973(2016)05-0262-02
經過研究和(he)(he)調查可以發現,河(he)道(dao)兩側一(yi)般(ban)都是(shi)農(nong)田(tian)(tian),每年的洪水期,農(nong)田(tian)(tian)會大量受災(zai),造(zao)成極大地經濟(ji)損失。為了保障(zhang)農(nong)田(tian)(tian)的利益和(he)(he)安(an)全,需要(yao)及(ji)時治理(li)河(he)道(dao),并且合理(li)治理(li)河(he)道(dao)還(huan)能夠促(cu)進當地農(nong)業的發展和(he)(he)進步。
一、工程基本概述
西(xi)淝河(he)上(shang)段起源于(yu)亳州(zhou)市(shi)淝河(he)集,流經(jing)太和縣、譙(qiao)城區、渦陽縣,河(he)道全(quan)長101.6km,總面積為1,871km2,。西(xi)淝河(he)上(shang)段東(dong)南低(di)(di)、西(xi)北高(gao),地面平緩,地面高(gao)程在28.5~25m范(fan)圍(wei)內(nei),局(ju)部(bu)區域比較低(di)(di)洼(wa),長期在水中浸泡。河(he)道治(zhi)理(li)中的(de)(de)基本(ben)范(fan)圍(wei)就是(shi)王營站(zhan)~孫水寨(zhai)站(zhan),河(he)道全(quan)長27.95km、堤頂(ding)寬3~50m、堤頂(ding)高(gao)程29.80~33.00m、邊坡(po)1:2~1:5,主要(yao)都(dou)是(shi)依據棄土完成的(de)(de)工(gong)程修(xiu)筑,經(jing)過多年修(xiu)整(zheng)形成現(xian)在工(gong)程規模,部(bu)分河(he)道已經(jing)符合二十年防洪標準,但是(shi)也有不少工(gong)程存在堤腳臨塘(tang)、堤身單薄(bo)等現(xian)象,容易出(chu)現(xian)危險。
二、工程現狀和問(wen)題
1.堤(di)防(fang)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)本次河(he)(he)道(dao)(dao)(dao)治(zhi)(zhi)理的(de)(de)過程(cheng)(cheng)(cheng)中(zhong)需要(yao)(yao)滿足設(she)計斷面(mian)要(yao)(yao)求,但(dan)是(shi)實際施工(gong)(gong)(gong)的(de)(de)時候不能(neng)充(chong)分(fen)認識堤(di)防(fang)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)的(de)(de)作用和意(yi)義,隨意(yi)取土(tu),降(jiang)低(di)堤(di)頂(ding)高(gao)(gao)度(du),減少頂(ding)寬,邊坡(po)變得(de)更加陡(dou)峭,促(cu)使工(gong)(gong)(gong)程(cheng)(cheng)(cheng)變得(de)危險(xian)(xian)。河(he)(he)道(dao)(dao)(dao)治(zhi)(zhi)理的(de)(de)時候基(ji)本上(shang)都(dou)是(shi)高(gao)(gao)程(cheng)(cheng)(cheng)比較低(di)段背水(shui)側,十分(fen)容易出現滑塌(ta)問題。工(gong)(gong)(gong)程(cheng)(cheng)(cheng)存(cun)在(zai)比較長沿(yan)岸(an)堤(di)線,土(tu)路面(mian)堤(di)頂(ding),在(zai)汛(xun)期(qi)的(de)(de)時候,堤(di)頂(ding)容易泥沼化(hua)(hua),嚴(yan)重影響通行和巡(xun)查。2.建筑物(wu)河(he)(he)道(dao)(dao)(dao)治(zhi)(zhi)理工(gong)(gong)(gong)程(cheng)(cheng)(cheng)中(zhong)包(bao)括九(jiu)個防(fang)洪(hong)涵(han)(han)閘,大部(bu)分(fen)防(fang)洪(hong)涵(han)(han)閘都(dou)屬于病(bing)險(xian)(xian)涵(han)(han)閘,主要(yao)(yao)包(bao)括老化(hua)(hua)的(de)(de)涵(han)(han)洞(dong)結構、缺少啟閉機房、洞(dong)身變形滲水(shui)、進出口段翼墻(qiang)傾斜(xie)或者裂縫,促(cu)使提(ti)高(gao)(gao)汛(xun)期(qi)救援難(nan)度(du)。3.主要(yao)(yao)支(zhi)溝河(he)(he)道(dao)(dao)(dao)治(zhi)(zhi)理過程(cheng)(cheng)(cheng)中(zhong)主要(yao)(yao)包(bao)括楊(yang)湖溝、青龍溝、菜花港支(zhi)溝,其中(zhong)部(bu)分(fen)支(zhi)溝沒有五年一遇洪(hong)水(shui)的(de)(de)能(neng)力,并且河(he)(he)道(dao)(dao)(dao)上(shang)出現很多(duo)障礙物(wu),提(ti)高(gao)(gao)河(he)(he)道(dao)(dao)(dao)受澇幾率(lv),需要(yao)(yao)盡快治(zhi)(zhi)理河(he)(he)道(dao)(dao)(dao)支(zhi)溝。
三、工程規模以及(ji)任務
依(yi)據二十年一(yi)遇防(fang)(fang)洪標(biao)準來合(he)理設計以及(ji)(ji)加固處理右(you)岸(an)老母豬港~孫水寨站(zhan)13.7km堤(di)(di)防(fang)(fang)以及(ji)(ji)左岸(an)馮樓站(zhan)~姚莊14.25km堤(di)(di)防(fang)(fang),適當處理沿線臨(lin)塘堤(di)(di)段固基,建設5.8km的王市橋(qiao)~東城大橋(qiao)堤(di)(di)頂防(fang)(fang)汛道路。重(zhong)建工程中馮寨北涵、劉(liu)土樓涵,加固處理其他涵閘(zha)。依(yi)據五年一(yi)遇洪澇標(biao)準來處理支溝,全長為51.63km。
四、河道治理工程中的設計及施(shi)工技術
1.堤(di)(di)防(fang)(fang)(fang)(fang)(fang)加(jia)(jia)固(gu)(gu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)設(she)(she)(she)計(ji)(ji)設(she)(she)(she)計(ji)(ji)堤(di)(di)防(fang)(fang)(fang)(fang)(fang)的(de)(de)(de)(de)(de)(de)(de)(de)基(ji)本(ben)(ben)原則就(jiu)(jiu)(jiu)(jiu)是(shi)(shi)維持原堤(di)(di)線(xian),內側加(jia)(jia)培。210~190m的(de)(de)(de)(de)(de)(de)(de)(de)王市(shi)~老母(mu)豬(zhu)港(gang)、230~210m的(de)(de)(de)(de)(de)(de)(de)(de)劉(liu)土(tu)(tu)(tu)(tu)樓(lou)(lou)~王市(shi)、230m的(de)(de)(de)(de)(de)(de)(de)(de)孫(sun)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)寨~后(hou)劉(liu)土(tu)(tu)(tu)(tu)樓(lou)(lou)堤(di)(di)距。設(she)(she)(she)計(ji)(ji)堤(di)(di)防(fang)(fang)(fang)(fang)(fang)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)應(ying)該滿(man)足(zu)《堤(di)(di)防(fang)(fang)(fang)(fang)(fang)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)設(she)(she)(she)計(ji)(ji)規范(fan)》,高程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)一(yi)(yi)(yi)般(ban)(ban)為(wei)1.23~1.46m。依(yi)據(ju)(ju)(ju)(ju)設(she)(she)(she)計(ji)(ji)規范(fan)并(bing)且有(you)機(ji)(ji)結(jie)合(he)(he)河(he)(he)道(dao)(dao)實(shi)際情況來(lai)(lai)(lai)(lai)確定(ding)(ding)標(biao)準斷面參數,29.86m的(de)(de)(de)(de)(de)(de)(de)(de)劉(liu)土(tu)(tu)(tu)(tu)樓(lou)(lou)、1:3的(de)(de)(de)(de)(de)(de)(de)(de)堤(di)(di)防(fang)(fang)(fang)(fang)(fang)內外(wai)邊坡(po)、6m的(de)(de)(de)(de)(de)(de)(de)(de)堤(di)(di)頂寬,治理(li)(li)(li)(li)(li)(li)(li)河(he)(he)道(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)因為(wei)存在(zai)(zai)(zai)(zai)多處(chu)(chu)(chu)(chu)堤(di)(di)腳臨塘,十分(fen)(fen)容易出現(xian)破壞(huai)滲透的(de)(de)(de)(de)(de)(de)(de)(de)現(xian)象,依(yi)據(ju)(ju)(ju)(ju)填(tian)塘固(gu)(gu)基(ji)的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)式(shi)(shi)來(lai)(lai)(lai)(lai)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li),填(tian)塘固(gu)(gu)基(ji)平(ping)臺以(yi)(yi)(yi)下(xia)為(wei)1:5,寬度(du)為(wei)10m,設(she)(she)(she)計(ji)(ji)中(zhong)(zhong)(zhong)為(wei)了(le)保(bao)(bao)(bao)(bao)障邊坡(po)穩定(ding)(ding)性,需(xu)要(yao)(yao)(yao)(yao)依(yi)據(ju)(ju)(ju)(ju)草(cao)皮(pi)(pi)護(hu)(hu)(hu)坡(po)的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)式(shi)(shi)加(jia)(jia)固(gu)(gu)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)堤(di)(di)坡(po)。2.涵(han)(han)(han)(han)(han)閘(zha)(zha)(zha)(zha)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)設(she)(she)(she)計(ji)(ji)本(ben)(ben)次治理(li)(li)(li)(li)(li)(li)(li)西淝河(he)(he)上(shang)(shang)(shang)段(duan)河(he)(he)道(dao)(dao)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou),總共(gong)需(xu)要(yao)(yao)(yao)(yao)對五(wu)座涵(han)(han)(han)(han)(han)閘(zha)(zha)(zha)(zha)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)加(jia)(jia)固(gu)(gu),重(zhong)建(jian)(jian)(jian)(jian)(jian)(jian)三座涵(han)(han)(han)(han)(han)閘(zha)(zha)(zha)(zha),設(she)(she)(she)計(ji)(ji)河(he)(he)道(dao)(dao)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)加(jia)(jia)固(gu)(gu)五(wu)座涵(han)(han)(han)(han)(han)閘(zha)(zha)(zha)(zha),皁(zao)陽溝(gou)(gou)(gou)(gou)閘(zha)(zha)(zha)(zha)、黃(huang)龍(long)溝(gou)(gou)(gou)(gou)閘(zha)(zha)(zha)(zha)、陽溝(gou)(gou)(gou)(gou)閘(zha)(zha)(zha)(zha)、沈沖(chong)(chong)涵(han)(han)(han)(han)(han)、黃(huang)龍(long)溝(gou)(gou)(gou)(gou)閘(zha)(zha)(zha)(zha),依(yi)據(ju)(ju)(ju)(ju)加(jia)(jia)固(gu)(gu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)實(shi)際需(xu)求和(he)問題,從以(yi)(yi)(yi)下(xia)幾方(fang)(fang)面來(lai)(lai)(lai)(lai)分(fen)(fen)析加(jia)(jia)固(gu)(gu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)措(cuo)(cuo)(cuo)施(shi)(shi)(shi)(shi)(shi)(shi)。(1)重(zhong)建(jian)(jian)(jian)(jian)(jian)(jian)或者修補(bu)原河(he)(he)道(dao)(dao)上(shang)(shang)(shang)下(xia)游砌(qi)石護(hu)(hu)(hu)坡(po);(2)重(zhong)建(jian)(jian)(jian)(jian)(jian)(jian)啟閉(bi)(bi)機(ji)(ji)房、排(pai)架、啟閉(bi)(bi)梁;(3)及(ji)(ji)(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)更(geng)換啟閉(bi)(bi)機(ji)(ji)、閘(zha)(zha)(zha)(zha)門;(4)及(ji)(ji)(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)更(geng)換變(bian)(bian)壓(ya)器、電氣設(she)(she)(she)備(bei)(bei)等(deng)(deng);(5)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)洞(dong)(dong)身(shen)(shen)(shen)止水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui);(6)重(zhong)建(jian)(jian)(jian)(jian)(jian)(jian)管(guan)理(li)(li)(li)(li)(li)(li)(li)所房;(7)重(zhong)建(jian)(jian)(jian)(jian)(jian)(jian)上(shang)(shang)(shang)下(xia)游翼墻(qiang)欄桿、交(jiao)通(tong)橋(qiao)(qiao)(qiao);設(she)(she)(she)計(ji)(ji)重(zhong)建(jian)(jian)(jian)(jian)(jian)(jian)劉(liu)土(tu)(tu)(tu)(tu)樓(lou)(lou)涵(han)(han)(han)(han)(han)、馬(ma)樓(lou)(lou)北涵(han)(han)(han)(han)(han)、金李涵(han)(han)(han)(han)(han)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou),因為(wei)具(ju)備(bei)(bei)比較(jiao)小設(she)(she)(she)計(ji)(ji)流(liu)(liu)(liu)(liu)量,需(xu)要(yao)(yao)(yao)(yao)利用(yong)(yong)(yong)(yong)鋼筋(jin)砼(tong)箱(xiang)涵(han)(han)(han)(han)(han)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)。3.施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)組織設(she)(she)(she)計(ji)(ji)在(zai)(zai)(zai)(zai)河(he)(he)道(dao)(dao)枯水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)期完(wan)成(cheng)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)安(an)排(pai),在(zai)(zai)(zai)(zai)1~4月(yue)(yue)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)實(shi)施(shi)(shi)(shi)(shi)(shi)(shi)建(jian)(jian)(jian)(jian)(jian)(jian)筑(zhu)(zhu)(zhu)(zhu)物(wu)導(dao)流(liu)(liu)(liu)(liu)。選擇(ze)五(wu)級的(de)(de)(de)(de)(de)(de)(de)(de)建(jian)(jian)(jian)(jian)(jian)(jian)筑(zhu)(zhu)(zhu)(zhu)物(wu)導(dao)流(liu)(liu)(liu)(liu)級別,五(wu)年一(yi)(yi)(yi)遇的(de)(de)(de)(de)(de)(de)(de)(de)導(dao)流(liu)(liu)(liu)(liu)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)標(biao)準。支溝(gou)(gou)(gou)(gou)疏浚導(dao)流(liu)(liu)(liu)(liu)措(cuo)(cuo)(cuo)施(shi)(shi)(shi)(shi)(shi)(shi)實(shi)際上(shang)(shang)(shang)就(jiu)(jiu)(jiu)(jiu)是(shi)(shi)利用(yong)(yong)(yong)(yong)人工(gong)(gong)(gong)(gong)(gong)(gong)(gong)調節的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)式(shi)(shi)來(lai)(lai)(lai)(lai)在(zai)(zai)(zai)(zai)河(he)(he)道(dao)(dao)分(fen)(fen)支口(kou)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)設(she)(she)(she)置圍堰(yan),支溝(gou)(gou)(gou)(gou)上(shang)(shang)(shang)大約2km的(de)(de)(de)(de)(de)(de)(de)(de)位(wei)(wei)置就(jiu)(jiu)(jiu)(jiu)需(xu)要(yao)(yao)(yao)(yao)設(she)(she)(she)置圍堰(yan),對其進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)多區(qu)段(duan)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)劃分(fen)(fen),截留來(lai)(lai)(lai)(lai)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)段(duan)。依(yi)據(ju)(ju)(ju)(ju)河(he)(he)底(di)開(kai)(kai)(kai)(kai)挖(wa)壟溝(gou)(gou)(gou)(gou)的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)式(shi)(shi)來(lai)(lai)(lai)(lai)匯集水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui),并(bing)且適當排(pai)放(fang)(fang)到附近池(chi)塘,確保(bao)(bao)(bao)(bao)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)是(shi)(shi)無水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)操作。建(jian)(jian)(jian)(jian)(jian)(jian)筑(zhu)(zhu)(zhu)(zhu)物(wu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)導(dao)流(liu)(liu)(liu)(liu)措(cuo)(cuo)(cuo)施(shi)(shi)(shi)(shi)(shi)(shi)實(shi)際上(shang)(shang)(shang)就(jiu)(jiu)(jiu)(jiu)是(shi)(shi)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)過(guo)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)開(kai)(kai)(kai)(kai)挖(wa)一(yi)(yi)(yi)側建(jian)(jian)(jian)(jian)(jian)(jian)筑(zhu)(zhu)(zhu)(zhu)基(ji)坑(keng)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)貫穿導(dao)流(liu)(liu)(liu)(liu)明渠來(lai)(lai)(lai)(lai)達到導(dao)流(liu)(liu)(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)(de)作用(yong)(yong)(yong)(yong)。(1)堤(di)(di)防(fang)(fang)(fang)(fang)(fang)填(tian)筑(zhu)(zhu)(zhu)(zhu)利用(yong)(yong)(yong)(yong)74kW推土(tu)(tu)(tu)(tu)機(ji)(ji)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)堤(di)(di)身(shen)(shen)(shen)填(tian)筑(zhu)(zhu)(zhu)(zhu),并(bing)且及(ji)(ji)(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)整(zheng)平(ping)壓(ya)實(shi),一(yi)(yi)(yi)般(ban)(ban)具(ju)備(bei)(bei)25~30cm的(de)(de)(de)(de)(de)(de)(de)(de)鋪土(tu)(tu)(tu)(tu)厚度(du)。人工(gong)(gong)(gong)(gong)(gong)(gong)(gong)平(ping)整(zheng)填(tian)筑(zhu)(zhu)(zhu)(zhu)面較(jiao)窄段(duan)以(yi)(yi)(yi)及(ji)(ji)(ji)局部工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng),夯(hang)實(shi)中(zhong)(zhong)(zhong)使用(yong)(yong)(yong)(yong)蛙(wa)式(shi)(shi)打夯(hang)機(ji)(ji),一(yi)(yi)(yi)般(ban)(ban)具(ju)備(bei)(bei)10~20cm的(de)(de)(de)(de)(de)(de)(de)(de)鋪土(tu)(tu)(tu)(tu)厚度(du)。壓(ya)實(shi)已鋪土(tu)(tu)(tu)(tu)料表面以(yi)(yi)(yi)前(qian)需(xu)要(yao)(yao)(yao)(yao)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)曬(shai)干,然后(hou)浸潤(run)以(yi)(yi)(yi)后(hou)再次進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)壓(ya)實(shi),一(yi)(yi)(yi)般(ban)(ban)具(ju)備(bei)(bei)不低(di)于0.92的(de)(de)(de)(de)(de)(de)(de)(de)填(tian)筑(zhu)(zhu)(zhu)(zhu)壓(ya)實(shi)度(du)。(2)涵(han)(han)(han)(han)(han)閘(zha)(zha)(zha)(zha)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)一(yi)(yi)(yi)般(ban)(ban)情況下(xia)涵(han)(han)(han)(han)(han)閘(zha)(zha)(zha)(zha)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)過(guo)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)為(wei),開(kai)(kai)(kai)(kai)挖(wa)土(tu)(tu)(tu)(tu)方(fang)(fang)、清除(chu)保(bao)(bao)(bao)(bao)護(hu)(hu)(hu)層(ceng)、砼(tong)墊層(ceng)、立(li)(li)模、鋼筋(jin)綁扎、澆筑(zhu)(zhu)(zhu)(zhu)混(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)、養護(hu)(hu)(hu)、回填(tian)土(tu)(tu)(tu)(tu)方(fang)(fang)等(deng)(deng)。填(tian)筑(zhu)(zhu)(zhu)(zhu)圍堰(yan)基(ji)坑(keng)以(yi)(yi)(yi)后(hou),需(xu)要(yao)(yao)(yao)(yao)及(ji)(ji)(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)基(ji)礎和(he)開(kai)(kai)(kai)(kai)挖(wa)土(tu)(tu)(tu)(tu)方(fang)(fang),然后(hou)在(zai)(zai)(zai)(zai)混(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)建(jian)(jian)(jian)(jian)(jian)(jian)筑(zhu)(zhu)(zhu)(zhu)箱(xiang)涵(han)(han)(han)(han)(han)、洞(dong)(dong)身(shen)(shen)(shen),依(yi)據(ju)(ju)(ju)(ju)隔板(ban)(ban)(ban)、墩墻(qiang)、按(an)底(di)板(ban)(ban)(ban)來(lai)(lai)(lai)(lai)分(fen)(fen)層(ceng)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)洞(dong)(dong)身(shen)(shen)(shen)結(jie)構,逐漸依(yi)次向(xiang)上(shang)(shang)(shang)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong),一(yi)(yi)(yi)次性連續澆筑(zhu)(zhu)(zhu)(zhu)每(mei)(mei)段(duan)每(mei)(mei)層(ceng)砼(tong),依(yi)據(ju)(ju)(ju)(ju)底(di)板(ban)(ban)(ban)、邊墻(qiang)、頂板(ban)(ban)(ban)來(lai)(lai)(lai)(lai)劃分(fen)(fen)和(he)澆筑(zhu)(zhu)(zhu)(zhu)箱(xiang)涵(han)(han)(han)(han)(han)。當堰(yan)流(liu)(liu)(liu)(liu)處(chu)(chu)(chu)(chu)于高淹沒度(du)時(shi)(shi)(shi)(shi)(shi)(shi)(shi),對于平(ping)底(di)來(lai)(lai)(lai)(lai)說閘(zha)(zha)(zha)(zha)孔總凈(jing)寬依(yi)據(ju)(ju)(ju)(ju)《水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)閘(zha)(zha)(zha)(zha)設(she)(she)(she)計(ji)(ji)規范(fan)》進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)計(ji)(ji)算,基(ji)本(ben)(ben)公式(shi)(shi)為(wei):(3)支溝(gou)(gou)(gou)(gou)疏浚河(he)(he)道(dao)(dao)治理(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)過(guo)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)開(kai)(kai)(kai)(kai)挖(wa)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)使用(yong)(yong)(yong)(yong)1m3挖(wa)掘機(ji)(ji),5m以(yi)(yi)(yi)外(wai)的(de)(de)(de)(de)(de)(de)(de)(de)棄土(tu)(tu)(tu)(tu)沿(yan)岸實(shi)施(shi)(shi)(shi)(shi)(shi)(shi)就(jiu)(jiu)(jiu)(jiu)近攤(tan)放(fang)(fang),整(zheng)修的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)使用(yong)(yong)(yong)(yong)74KW推土(tu)(tu)(tu)(tu)機(ji)(ji)。(4)橋(qiao)(qiao)(qiao)梁工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)橋(qiao)(qiao)(qiao)梁砼(tong)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)包(bao)括預(yu)制(zhi)(zhi)砼(tong)、現(xian)澆砼(tong)兩(liang)種(zhong)。現(xian)澆砼(tong)主(zhu)要(yao)(yao)(yao)(yao)使用(yong)(yong)(yong)(yong)在(zai)(zai)(zai)(zai)護(hu)(hu)(hu)欄、橋(qiao)(qiao)(qiao)面鋪裝層(ceng)、橋(qiao)(qiao)(qiao)墩等(deng)(deng)部位(wei)(wei)。預(yu)制(zhi)(zhi)砼(tong)應(ying)用(yong)(yong)(yong)(yong)在(zai)(zai)(zai)(zai)橋(qiao)(qiao)(qiao)面空(kong)心板(ban)(ban)(ban)上(shang)(shang)(shang),現(xian)場(chang)預(yu)制(zhi)(zhi)構件,一(yi)(yi)(yi)般(ban)(ban)在(zai)(zai)(zai)(zai)橋(qiao)(qiao)(qiao)梁行(xing)(xing)(xing)車(che)方(fang)(fang)向(xiang)軸(zhou)線(xian)上(shang)(shang)(shang)來(lai)(lai)(lai)(lai)實(shi)施(shi)(shi)(shi)(shi)(shi)(shi)現(xian)場(chang)預(yu)制(zhi)(zhi),以(yi)(yi)(yi)便于最大限度(du)降(jiang)低(di)場(chang)內運輸(shu)。橋(qiao)(qiao)(qiao)梁砼(tong)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)(zhong)(zhong)如果(guo)溫度(du)比較(jiao)低(di),需(xu)要(yao)(yao)(yao)(yao)完(wan)全滿(man)足(zu)相(xiang)關規定(ding)(ding),并(bing)且做好防(fang)(fang)(fang)(fang)(fang)寒(han)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)作,以(yi)(yi)(yi)便于全面保(bao)(bao)(bao)(bao)證施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)質量。安(an)裝橋(qiao)(qiao)(qiao)梁的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)應(ying)用(yong)(yong)(yong)(yong)二十五(wu)噸汽車(che)吊,安(an)裝在(zai)(zai)(zai)(zai)與(yu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)(liu)(liu)方(fang)(fang)向(xiang)垂(chui)直的(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)作平(ping)臺上(shang)(shang)(shang)。橋(qiao)(qiao)(qiao)梁砌(qi)石工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)包(bao)括護(hu)(hu)(hu)坡(po)、護(hu)(hu)(hu)底(di)、側墻(qiang)、橋(qiao)(qiao)(qiao)臺,利用(yong)(yong)(yong)(yong)坐漿法對其進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)。4.水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土(tu)(tu)(tu)(tu)保(bao)(bao)(bao)(bao)持設(she)(she)(she)計(ji)(ji)河(he)(he)道(dao)(dao)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)防(fang)(fang)(fang)(fang)(fang)治水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土(tu)(tu)(tu)(tu)流(liu)(liu)(liu)(liu)失(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)基(ji)本(ben)(ben)范(fan)圍為(wei)直接影(ying)響(xiang)(xiang)(xiang)區(qu)域(yu)和(he)建(jian)(jian)(jian)(jian)(jian)(jian)設(she)(she)(she)項目(mu)區(qu)域(yu),7.36hm2的(de)(de)(de)(de)(de)(de)(de)(de)直接影(ying)響(xiang)(xiang)(xiang)區(qu)域(yu),85.33hm2的(de)(de)(de)(de)(de)(de)(de)(de)項目(mu)建(jian)(jian)(jian)(jian)(jian)(jian)設(she)(she)(she)區(qu)。建(jian)(jian)(jian)(jian)(jian)(jian)設(she)(she)(she)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)項目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)經常破壞(huai)植(zhi)被、改變(bian)(bian)地貌、地表,導(dao)致出現(xian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土(tu)(tu)(tu)(tu)流(liu)(liu)(liu)(liu)失(shi)(shi)現(xian)象。依(yi)據(ju)(ju)(ju)(ju)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土(tu)(tu)(tu)(tu)流(liu)(liu)(liu)(liu)失(shi)(shi)特點(dian)以(yi)(yi)(yi)及(ji)(ji)(ji)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)設(she)(she)(she)計(ji)(ji)特點(dian),有(you)機(ji)(ji)結(jie)合(he)(he)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)特點(dian)和(he)預(yu)測水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土(tu)(tu)(tu)(tu)流(liu)(liu)(liu)(liu)失(shi)(shi)結(jie)果(guo)來(lai)(lai)(lai)(lai)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)建(jian)(jian)(jian)(jian)(jian)(jian)設(she)(she)(she)保(bao)(bao)(bao)(bao)持水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土(tu)(tu)(tu)(tu)流(liu)(liu)(liu)(liu)失(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)策略。一(yi)(yi)(yi)般(ban)(ban)都(dou)是(shi)(shi)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)應(ying)用(yong)(yong)(yong)(yong)種(zhong)植(zhi)草(cao)皮(pi)(pi)、草(cao)墊防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)(hu)、開(kai)(kai)(kai)(kai)挖(wa)排(pai)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溝(gou)(gou)(gou)(gou)等(deng)(deng)措(cuo)(cuo)(cuo)施(shi)(shi)(shi)(shi)(shi)(shi)。本(ben)(ben)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)需(xu)要(yao)(yao)(yao)(yao)0.4萬m2的(de)(de)(de)(de)(de)(de)(de)(de)草(cao)墊攔護(hu)(hu)(hu)、11,440m3的(de)(de)(de)(de)(de)(de)(de)(de)排(pai)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)溝(gou)(gou)(gou)(gou)土(tu)(tu)(tu)(tu)方(fang)(fang)、2.84萬m2的(de)(de)(de)(de)(de)(de)(de)(de)種(zhong)植(zhi)草(cao)皮(pi)(pi)、11,637m3的(de)(de)(de)(de)(de)(de)(de)(de)取土(tu)(tu)(tu)(tu)區(qu)表土(tu)(tu)(tu)(tu)回填(tian)。5.環境保(bao)(bao)(bao)(bao)護(hu)(hu)(hu)設(she)(she)(she)計(ji)(ji)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)影(ying)響(xiang)(xiang)(xiang)是(shi)(shi)西淝河(he)(he)上(shang)(shang)(shang)段(duan)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)治理(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)主(zhu)要(yao)(yao)(yao)(yao)影(ying)響(xiang)(xiang)(xiang)環境的(de)(de)(de)(de)(de)(de)(de)(de)因素,施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)過(guo)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)土(tu)(tu)(tu)(tu)流(liu)(liu)(liu)(liu)失(shi)(shi)、排(pai)放(fang)(fang)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)噪(zao)音、破壞(huai)植(zhi)被、員工(gong)(gong)(gong)(gong)(gong)(gong)(gong)生活(huo)(huo)生產垃圾和(he)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)等(deng)(deng)都(dou)會嚴重(zhong)影(ying)響(xiang)(xiang)(xiang)周圍環境,但是(shi)(shi)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)影(ying)響(xiang)(xiang)(xiang)是(shi)(shi)暫(zan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)、短期影(ying)響(xiang)(xiang)(xiang),可以(yi)(yi)(yi)依(yi)據(ju)(ju)(ju)(ju)相(xiang)應(ying)措(cuo)(cuo)(cuo)施(shi)(shi)(shi)(shi)(shi)(shi)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)及(ji)(ji)(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)。本(ben)(ben)次工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)治理(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)過(guo)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)主(zhu)要(yao)(yao)(yao)(yao)就(jiu)(jiu)(jiu)(jiu)是(shi)(shi)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)生活(huo)(huo)污水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)和(he)生產廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)。生產廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)有(you)系(xi)統(tong)沖(chong)(chong)洗(xi)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、混(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)攪拌廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、砂石料沖(chong)(chong)洗(xi)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、機(ji)(ji)械沖(chong)(chong)洗(xi)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、混(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)養護(hu)(hu)(hu)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)等(deng)(deng)。工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)治理(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)(hou)(hou)需(xu)要(yao)(yao)(yao)(yao)開(kai)(kai)(kai)(kai)挖(wa)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)收(shou)集池(chi)來(lai)(lai)(lai)(lai)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)養護(hu)(hu)(hu)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、砼(tong)澆筑(zhu)(zhu)(zhu)(zhu)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)、砂石料沖(chong)(chong)洗(xi)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)。建(jian)(jian)(jian)(jian)(jian)(jian)立(li)(li)隔油沉淀池(chi)來(lai)(lai)(lai)(lai)對機(ji)(ji)械沖(chong)(chong)洗(xi)產生含油廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)。在(zai)(zai)(zai)(zai)生活(huo)(huo)區(qu)域(yu)建(jian)(jian)(jian)(jian)(jian)(jian)立(li)(li)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)厭(yan)氧氧化(hua)池(chi)來(lai)(lai)(lai)(lai)對生活(huo)(huo)污水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li),在(zai)(zai)(zai)(zai)污水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)停(ting)留一(yi)(yi)(yi)天就(jiu)(jiu)(jiu)(jiu)可以(yi)(yi)(yi)排(pai)放(fang)(fang)生活(huo)(huo)污水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)。完(wan)成(cheng)施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)以(yi)(yi)(yi)后(hou),及(ji)(ji)(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)拆除(chu)污水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)收(shou)集池(chi)以(yi)(yi)(yi)及(ji)(ji)(ji)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)收(shou)集池(chi),并(bing)且進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)回填(tian)。此外(wai),還可以(yi)(yi)(yi)合(he)(he)理(li)(li)(li)(li)(li)(li)(li)建(jian)(jian)(jian)(jian)(jian)(jian)設(she)(she)(she)磚砌(qi)垃圾箱(xiang)等(deng)(deng)環保(bao)(bao)(bao)(bao)措(cuo)(cuo)(cuo)施(shi)(shi)(shi)(shi)(shi)(shi),每(mei)(mei)月(yue)(yue)都(dou)對施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)人員進(jin)(jin)(jin)(jin)(jin)行(xing)(xing)(xing)一(yi)(yi)(yi)次身(shen)(shen)(shen)體檢查,全面保(bao)(bao)(bao)(bao)障施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)人員的(de)(de)(de)(de)(de)(de)(de)(de)整(zheng)體安(an)全和(he)健康。為(wei)了(le)最大限度(du)降(jiang)低(di)噪(zao)音和(he)長(chang)期揚塵污染(ran),每(mei)(mei)日兩(liang)次用(yong)(yong)(yong)(yong)灑水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)車(che)來(lai)(lai)(lai)(lai)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)場(chang)地,并(bing)且給施(shi)(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)人員配備(bei)(bei)防(fang)(fang)(fang)(fang)(fang)塵面罩和(he)耳(er)塞。
五、結束語
綜上,本文主(zhu)要(yao)分析了工(gong)(gong)程(cheng)現狀,提出幾種(zhong)河(he)道治理(li)工(gong)(gong)程(cheng)中的(de)設計及施工(gong)(gong)技術的(de)方式,全(quan)面促進河(he)道的(de)治理(li)。
參考文獻
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篇4
【關鍵詞(ci)】生態水(shui)利;河道(dao)治理;工(gong)程;應(ying)用
我國(guo)(guo)是一個人口眾多的(de)(de)(de)(de)國(guo)(guo)家,雖然我國(guo)(guo)自然資源豐富多彩,但是隨著(zhu)社會的(de)(de)(de)(de)不(bu)(bu)斷發(fa)(fa)展(zhan),環(huan)(huan)(huan)境(jing)問(wen)題變得越來越嚴重(zhong)。傳(chuan)統(tong)的(de)(de)(de)(de)水(shui)(shui)利(li)工程主(zhu)要目(mu)標在于控制(zhi)水(shui)(shui)流(liu)來滿足(zu)人們的(de)(de)(de)(de)供水(shui)(shui)、防洪、發(fa)(fa)電、航(hang)運等要求,但是在水(shui)(shui)工建筑(zhu)物發(fa)(fa)揮(hui)其功能的(de)(de)(de)(de)同(tong)時(shi),生態(tai)(tai)環(huan)(huan)(huan)境(jing)已經一步一步遭受破壞,經濟建設和環(huan)(huan)(huan)境(jing)保(bao)護嚴重(zhong)失(shi)衡。而生態(tai)(tai)水(shui)(shui)利(li)指(zhi)的(de)(de)(de)(de)是水(shui)(shui)利(li)建設過程中,既重(zhong)視水(shui)(shui)利(li)樞紐建設,又重(zhong)視生態(tai)(tai)環(huan)(huan)(huan)境(jing)保(bao)護的(de)(de)(de)(de)生態(tai)(tai)工程。生態(tai)(tai)水(shui)(shui)利(li)的(de)(de)(de)(de)實現不(bu)(bu)僅(jin)應該研(yan)(yan)究(jiu)和掌握(wo)水(shui)(shui)利(li)水(shui)(shui)文特性(xing)、生物種(zhong)群特性(xing)、河流(liu)特性(xing)等,并河流(liu)湖泊等節能型開發(fa)(fa)和利(li)用,不(bu)(bu)僅(jin)僅(jin)重(zhong)視水(shui)(shui)利(li)資源的(de)(de)(de)(de)開發(fa)(fa),還應該重(zhong)視對周邊生態(tai)(tai)系(xi)統(tong)的(de)(de)(de)(de)研(yan)(yan)究(jiu),重(zhong)視水(shui)(shui)體的(de)(de)(de)(de)特性(xing)研(yan)(yan)究(jiu)以(yi)及流(liu)域(yu)的(de)(de)(de)(de)循環(huan)(huan)(huan)特性(xing)研(yan)(yan)究(jiu)。
1、生態(tai)水(shui)利(li)在(zai)河道治理工程中的重要性
河道(dao)(dao)治(zhi)(zhi)理(li)(li)工(gong)(gong)程(cheng)一(yi)(yi)直是(shi)一(yi)(yi)項非常(chang)重要(yao)的(de)(de)工(gong)(gong)程(cheng),要(yao)想提(ti)高河道(dao)(dao)治(zhi)(zhi)理(li)(li)的(de)(de)效果(guo),除了(le)要(yao)提(ti)高河道(dao)(dao)治(zhi)(zhi)理(li)(li)工(gong)(gong)程(cheng)的(de)(de)設計水(shui)(shui)(shui)(shui)平,在滿足(zu)人類用(yong)水(shui)(shui)(shui)(shui)、灌溉、航運以(yi)及(ji)防洪等需求外,還(huan)需要(yao)加大(da)(da)生(sheng)態(tai)(tai)(tai)(tai)(tai)水(shui)(shui)(shui)(shui)利在河道(dao)(dao)治(zhi)(zhi)理(li)(li)中(zhong)的(de)(de)開(kai)發(fa)(fa)力度。一(yi)(yi)般而言(yan),生(sheng)態(tai)(tai)(tai)(tai)(tai)水(shui)(shui)(shui)(shui)利在河道(dao)(dao)治(zhi)(zhi)理(li)(li)工(gong)(gong)程(cheng)中(zhong)的(de)(de)重要(yao)性主要(yao)表現在以(yi)下(xia)三個方面:第(di)一(yi)(yi),生(sheng)態(tai)(tai)(tai)(tai)(tai)水(shui)(shui)(shui)(shui)利工(gong)(gong)程(cheng)在保障人類用(yong)水(shui)(shui)(shui)(shui)需求的(de)(de)同時,還(huan)可以(yi)維持(chi)生(sheng)態(tai)(tai)(tai)(tai)(tai)的(de)(de)可持(chi)續(xu)發(fa)(fa)展,有效防止(zhi)了(le)河流(liu)斷流(liu)、植(zhi)被(bei)退化(hua)、水(shui)(shui)(shui)(shui)生(sheng)物(wu)減少等各(ge)種生(sheng)態(tai)(tai)(tai)(tai)(tai)問題,大(da)(da)大(da)(da)改善了(le)生(sheng)態(tai)(tai)(tai)(tai)(tai)環(huan)(huan)境的(de)(de)循環(huan)(huan)系統;第(di)二,在有些地(di)區,草原退化(hua)、水(shui)(shui)(shui)(shui)土(tu)流(liu)失、生(sheng)態(tai)(tai)(tai)(tai)(tai)失衡等一(yi)(yi)系列(lie)生(sheng)態(tai)(tai)(tai)(tai)(tai)問題大(da)(da)大(da)(da)降低了(le)自(zi)然生(sheng)態(tai)(tai)(tai)(tai)(tai)自(zi)動(dong)修復功能,也影響到了(le)人類生(sheng)存。所以(yi),只有穩定生(sheng)態(tai)(tai)(tai)(tai)(tai)發(fa)(fa)展,才可以(yi)為社會的(de)(de)可持(chi)續(xu)發(fa)(fa)展提(ti)供最(zui)基本的(de)(de)保障;第(di)三,生(sheng)態(tai)(tai)(tai)(tai)(tai)水(shui)(shui)(shui)(shui)利工(gong)(gong)程(cheng)把水(shui)(shui)(shui)(shui)土(tu)和(he)(he)人放(fang)在一(yi)(yi)個統一(yi)(yi)范(fan)圍中(zhong)考慮,兼顧了(le)自(zi)然和(he)(he)人的(de)(de)利益。同時,在水(shui)(shui)(shui)(shui)利工(gong)(gong)程(cheng)的(de)(de)規劃、設計以(yi)施工(gong)(gong)過程(cheng)中(zhong),加入了(le)多樣化(hua)和(he)(he)自(zi)然化(hua)的(de)(de)方法,極大(da)(da)地(di)豐富了(le)當(dang)代河道(dao)(dao)治(zhi)(zhi)理(li)(li)內容。
2、生態水利在河道治(zhi)理工程(cheng)中的(de)建設原則
2.1 提高河道形態的空(kong)間異質(zhi)性(xing)原(yuan)則
高質量(liang)的生態(tai)環境空間異質性,能(neng)夠創造更多的物種(zhong)生存(cun)環境,提高物種(zhong)生存(cun)環境質量(liang),從(cong)而讓多種(zhong)物種(zhong)得以和諧、平衡共存(cun)發(fa)展。但是,由(you)于近幾(ji)年(nian)各(ge)種(zhong)水利工程的施工建(jian)設,改變了(le)河道的自(zi)然形態(tai),使其變得渠道化,盡管在短(duan)期內,會為我們(men)帶來(lai)一定的經濟效(xiao)益(yi),但是,從(cong)長期的生態(tai)平衡與生態(tai)環境發(fa)展來(lai)看,還是不盡合(he)理的。
另一(yi)方面(mian),人(ren)們(men)對(dui)河(he)道自然(ran)環(huan)境(jing)的(de)(de)(de)過多(duo)干(gan)預,使(shi)得河(he)道多(duo)樣(yang)化的(de)(de)(de)生(sheng)(sheng)態(tai)環(huan)境(jing)逐漸變(bian)得單一(yi),長此以往,整(zheng)個(ge)河(he)道的(de)(de)(de)生(sheng)(sheng)態(tai)系統將會(hui)有一(yi)定的(de)(de)(de)退化,從(cong)而(er)引發更多(duo)的(de)(de)(de)生(sheng)(sheng)態(tai)環(huan)境(jing)問題。所以,針對(dui)河(he)道的(de)(de)(de)整(zheng)體(ti)生(sheng)(sheng)態(tai)環(huan)境(jing),我們(men)必(bi)須在建設水(shui)利(li)工程的(de)(de)(de)同時,注重提高河(he)道生(sheng)(sheng)態(tai)環(huan)境(jing)中生(sheng)(sheng)物群落的(de)(de)(de)多(duo)樣(yang)性(xing),即提高河(he)道形態(tai)的(de)(de)(de)空間異(yi)質(zhi)性(xing)。此外,水(shui)利(li)工程的(de)(de)(de)施工建設還要保證對(dui)河(he)道環(huan)境(jing)的(de)(de)(de)保護,從(cong)而(er)為(wei)提高河(he)道形態(tai)空間異(yi)質(zhi)性(xing)奠(dian)定良好的(de)(de)(de)基(ji)礎。
2.2 景(jing)觀尺度與整(zheng)體性(xing)原則(ze)
在建(jian)設(she)生(sheng)(sheng)態(tai)水(shui)利(li)工程(cheng)時,我(wo)們(men)要將景(jing)觀(guan)尺度、可持續(xu)發展以及工程(cheng)實用性(xing)(xing)等目標(biao)結合在一起,對(dui)工程(cheng)進(jin)行科學(xue)合理(li)的(de)(de)規劃(hua)與(yu)設(she)計。大(da)景(jing)觀(guan)尺度,相較于小尺度,其(qi)在河道(dao)治(zhi)理(li)工程(cheng)中(zhong)具有更(geng)高(gao)的(de)(de)修復效率。而生(sheng)(sheng)態(tai)水(shui)利(li)的(de)(de)整(zheng)體性(xing)(xing)原則(ze)不僅體現在水(shui)利(li)工程(cheng)對(dui)河道(dao)生(sheng)(sheng)態(tai)系(xi)(xi)統(tong)結構(gou)與(yu)功能的(de)(de)注重(zhong)與(yu)保(bao)護(hu),還應在了解河道(dao)生(sheng)(sheng)態(tai)系(xi)(xi)統(tong)各要素之間的(de)(de)交(jiao)互作用的(de)(de)基(ji)礎上,實施(shi)修護(hu)河道(dao)生(sheng)(sheng)態(tai)環(huan)境整(zheng)體性(xing)(xing)與(yu)綜合性(xing)(xing)的(de)(de)建(jian)設(she)措施(shi)。
2.3 服務社會原(yuan)則
我(wo)們在注(zhu)重水(shui)利(li)(li)工程的(de)生(sheng)(sheng)態建(jian)(jian)設(she)的(de)同時(shi)(shi),不能忽略水(shui)利(li)(li)工程的(de)基(ji)(ji)本功能,即對(dui)水(shui)資源的(de)時(shi)(shi)空調(diao)節及對(dui)洪澇災害的(de)防治。水(shui)利(li)(li)工程的(de)建(jian)(jian)設(she)施工的(de)根本目(mu)的(de)就(jiu)是對(dui)人類(lei)生(sheng)(sheng)活、生(sheng)(sheng)產進(jin)行服務的(de),特別(bie)是對(dui)于我(wo)國的(de)農(nong)業發展(zhan)(zhan),水(shui)利(li)(li)工程是其穩固發展(zhan)(zhan)的(de)根本與基(ji)(ji)礎。因此,生(sheng)(sheng)態水(shui)利(li)(li)工程的(de)建(jian)(jian)設(she)必須要建(jian)(jian)立在水(shui)利(li)(li)工程基(ji)(ji)本功能實現(xian)的(de)基(ji)(ji)礎上,使經(jing)濟得以發展(zhan)(zhan)的(de)同時(shi)(shi)達到環境(jing)保護的(de)目(mu)的(de)。
3、生(sheng)態水利在河道(dao)治理中的應用(yong)分析
在現代河(he)道(dao)治(zhi)理工程(cheng)中(zhong),為了(le)使河(he)道(dao)具有生(sheng)(sheng)命力,河(he)道(dao)治(zhi)理設計將建立在環境學(xue)和水(shui)利工程(cheng)學(xue)、生(sheng)(sheng)物(wu)學(xue)和生(sheng)(sheng)態(tai)學(xue),以(yi)及美(mei)學(xue)為一體(ti)(ti)的(de)基(ji)礎上(shang),借助自然生(sheng)(sheng)態(tai)循環系(xi)統提供優美(mei)富有靈(ling)魂的(de)居住(zhu)環境。因此,在實際應用中(zhong)將采(cai)用生(sheng)(sheng)態(tai)護坡、在河(he)道(dao)斷面留出生(sheng)(sheng)長空間以(yi)供沉(chen)水(shui)和濕(shi)生(sheng)(sheng)植(zhi)物(wu)、水(shui)邊和直立水(shui)生(sheng)(sheng)植(zhi)物(wu),以(yi)及動物(wu)生(sheng)(sheng)長、棲息(xi)、繁(fan)衍,提高水(shui)體(ti)(ti)自凈能(neng)力。
3.1 生態護坡
在(zai)河(he)(he)(he)道(dao)(dao)治理工(gong)程施工(gong)前(qian),應對(dui)河(he)(he)(he)道(dao)(dao)周邊的(de)(de)地(di)形、地(di)貌(mao)及河(he)(he)(he)道(dao)(dao)自身(shen)的(de)(de)功能特征進(jin)行綜合考慮,進(jin)而(er)(er)制定科學合理的(de)(de)河(he)(he)(he)道(dao)(dao)生態護(hu)坡(po)施工(gong)方案。此外(wai),還(huan)應根據河(he)(he)(he)道(dao)(dao)周邊植(zhi)(zhi)被(bei)類型和分(fen)(fen)布情況進(jin)行調查分(fen)(fen)析,進(jin)而(er)(er)確保河(he)(he)(he)道(dao)(dao)周邊植(zhi)(zhi)被(bei)在(zai)穩(wen)定的(de)(de)生態系(xi)統的(de)(de)前(qian)提下對(dui)河(he)(he)(he)道(dao)(dao)進(jin)行工(gong)程區(qu)(qu)域(yu)性劃分(fen)(fen),通常(chang)(chang)將(jiang)河(he)(he)(he)道(dao)(dao)劃分(fen)(fen)為3 個區(qu)(qu)域(yu),即常(chang)(chang)露(lu)區(qu)(qu)、變化(hua)(hua)區(qu)(qu)和常(chang)(chang)淹(yan)區(qu)(qu); 進(jin)而(er)(er)根據不(bu)同(tong)的(de)(de)區(qu)(qu)域(yu)選擇(ze)不(bu)同(tong)類型的(de)(de)適應生長的(de)(de)植(zhi)(zhi)物(wu)在(zai)護(hu)坡(po)區(qu)(qu)域(yu)進(jin)行栽植(zhi)(zhi)。在(zai)長露(lu)區(qu)(qu)域(yu)種(zhong)植(zhi)(zhi)耐旱(han)的(de)(de)植(zhi)(zhi)物(wu),在(zai)變化(hua)(hua)區(qu)(qu)域(yu)種(zhong)植(zhi)(zhi)適應干旱(han)和水(shui)淹(yan)的(de)(de)植(zhi)(zhi)物(wu),在(zai)常(chang)(chang)淹(yan)區(qu)(qu)種(zhong)植(zhi)(zhi)水(shui)生植(zhi)(zhi)物(wu)。
3. 2 在河道斷(duan)面留出生長空間
以排澇泄(xie)洪為(wei)目(mu)的(de)(de)(de),結合景觀(guan)美化作用,為(wei)提高城市整體(ti)質(zhi)量構(gou)建一(yi)個軟性休閑(xian)和游息的(de)(de)(de)空間。同時(shi),為(wei)了使河道更具(ju)自然風情,恢(hui)復生物的(de)(de)(de)多(duo)樣性將勢在(zai)必行。可以設置一(yi)些親水的(de)(de)(de)平臺和臨水的(de)(de)(de)臺階(jie)、各種野生水體(ti)植物和動(dong)物等。不僅(jin)具(ju)有生態美化效果,而(er)且(qie)還能夠尊重水循(xun)環系(xi)統(tong)調節水量、滯洪和補(bu)充水量,使河道水量平衡,促進動(dong)植物對水體(ti)的(de)(de)(de)自凈功能,河水將更具(ju)生命力。
3. 3 通過(guo)動植物生長提高水評自凈(jing)能力
在河(he)(he)道治理(li)工程施工中可(ke)采用(yong)人工濕地處理(li)技術(shu)(shu)、生物(wu)膜法技術(shu)(shu)及(ji)生物(wu)操作(zuo)等(deng)技術(shu)(shu)來修復遭受污染破(po)壞的(de)水(shui)(shui)(shui)(shui)體(ti)。通過水(shui)(shui)(shui)(shui)體(ti)中各種生物(wu)的(de)轉(zhuan)化(hua)和轉(zhuan)移及(ji)分解的(de)方(fang)式提高(gao)水(shui)(shui)(shui)(shui)體(ti)的(de)自(zi)我(wo)凈化(hua)能力(li)。并結合河(he)(he)道水(shui)(shui)(shui)(shui)環境的(de)實際情況,盡可(ke)能地在不(bu)造成(cheng)水(shui)(shui)(shui)(shui)體(ti)生態(tai)系統(tong)穩(wen)定的(de)基礎上多種植植物(wu)和放養水(shui)(shui)(shui)(shui)生動物(wu),豐富河(he)(he)道水(shui)(shui)(shui)(shui)環境資(zi)源,為(wei)人們(men)提供多感(gan)官的(de)愉悅享受。此(ci)外(wai),作(zuo)為(wei)城市河(he)(he)道,不(bu)僅(jin)僅(jin)需(xu)要防洪(hong)等(deng)作(zuo)用(yong),還(huan)具有美(mei)(mei)化(hua)景觀(guan)的(de)作(zuo)用(yong),在生態(tai)水(shui)(shui)(shui)(shui)利構建河(he)(he)道建設時(shi),需(xu)要考(kao)慮到河(he)(he)道周(zhou)圍的(de)景觀(guan)建設。可(ke)通過栽種花草(cao),美(mei)(mei)化(hua)水(shui)(shui)(shui)(shui)面(mian)來實現(xian)。
3.4 水(shui)生植被與動物種群的構(gou)建
在(zai)河道內(nei)種植(zhi)(zhi)沉(chen)水(shui)植(zhi)(zhi)物(wu),如黑藻、金魚(yu)藻等,以及浮葉(xie)植(zhi)(zhi)物(wu)睡蓮,以提高河道水(shui)體(ti)(ti)對N、P、K 等多種營養物(wu)的(de)吸(xi)收與轉(zhuan)化,從而在(zai)增(zeng)強水(shui)體(ti)(ti)自(zi)凈能力(li)與自(zi)我調節能力(li)的(de)基礎(chu)上,抑制各種浮游(you)植(zhi)(zhi)物(wu)的(de)生長,為河道水(shui)環(huan)境中多樣化生物(wu)的(de)繁衍、生存提供更加(jia)良好(hao)、穩定的(de)環(huan)境。
現今河道(dao)水(shui)(shui)體(ti)(ti)中,各種(zhong)浮游生物、腐碎以及大量微(wei)生物的(de)(de)(de)(de)增多,其主(zhu)要的(de)(de)(de)(de)原因之一就是河道(dao)內水(shui)(shui)生動物種(zhong)群數量的(de)(de)(de)(de)減少,而適當地增多鰱魚、鯽魚等種(zhong)群的(de)(de)(de)(de)數量,提(ti)高其對(dui)浮游生物、腐碎以及微(wei)生物的(de)(de)(de)(de)消(xiao)耗,可穩(wen)定(ding)河道(dao)水(shui)(shui)體(ti)(ti)的(de)(de)(de)(de)生態(tai)平衡,進一步提(ti)升水(shui)(shui)體(ti)(ti)的(de)(de)(de)(de)自(zi)凈能力。
結束語
生(sheng)態(tai)水(shui)利(li)(li)工程保護和尊重(zhong)自然環境(jing),實(shi)現(xian)了經濟發(fa)展(zhan)和環境(jing)保護的(de)(de)雙(shuang)重(zhong)目的(de)(de)。通過將生(sheng)態(tai)水(shui)利(li)(li)應用在(zai)河道(dao)治理(li)中(zhong),在(zai)不影響河道(dao)防洪蓄(xu)水(shui)功能(neng)的(de)(de)前提(ti)下(xia),能(neng)夠對河道(dao)生(sheng)態(tai)系(xi)統進行恢復,增加河道(dao)生(sheng)態(tai)系(xi)統的(de)(de)生(sheng)物多樣性,實(shi)現(xian)河道(dao)生(sheng)態(tai)系(xi)統的(de)(de)健康(kang)、穩定以及可持(chi)續發(fa)展(zhan)。在(zai)環境(jing)日(ri)益惡(e)化的(de)(de)今天,生(sheng)態(tai)水(shui)利(li)(li)在(zai)河道(dao)治理(li)中(zhong)的(de)(de)應用顯得意義重(zhong)大。
參考文獻:
[1]丁林,張新民,李元紅,成自勇(yong). 生態水利學研(yan)究進展[J]. 節水灌溉. 2009(06)
篇5
(安吉縣雨喬市政園(yuan)林工程有限公司 浙江 安吉 313300)
【摘要】近年來,隨著經濟建設的(de)(de)(de)(de)(de)不斷變化(hua)發(fa)展,人們(men)(men)生(sheng)活水(shui)平的(de)(de)(de)(de)(de)逐漸(jian)提高,對于生(sheng)態(tai)環境的(de)(de)(de)(de)(de)重(zhong)視也有了(le)新的(de)(de)(de)(de)(de)認識(shi)與理解,文章主要針對現階段(duan)我國河道(dao)(dao)生(sheng)態(tai)環境等方面存在的(de)(de)(de)(de)(de)問(wen)題(ti)進行簡(jian)要分(fen)析,并對存在問(wen)題(ti)提出了(le)合理化(hua)的(de)(de)(de)(de)(de)解決措施,以便滿足(zu)人們(men)(men)生(sheng)產、生(sheng)活對水(shui)資源的(de)(de)(de)(de)(de)需要,從而更好地改善(shan)河道(dao)(dao)水(shui)資源現狀,從根本上(shang)建立有利于環境保護可持(chi)續(xu)發(fa)展的(de)(de)(de)(de)(de)河道(dao)(dao)治(zhi)理工程(cheng),真正意(yi)義上(shang)促進人與自然的(de)(de)(de)(de)(de)和諧發(fa)展。
關鍵詞 河道治理工程(cheng);問題;改善措施(shi)
在日(ri)常(chang)生(sheng)(sheng)活(huo)(huo)中,大家都知道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)這樣一(yi)(yi)個道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)理(li)(li)(li),水滿自(zi)溢(yi)。同樣對(dui)(dui)于河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)來(lai)講(jiang)也是如此(ci)。在連(lian)續(xu)陰雨天的(de)(de)(de)(de)季節里,河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)水位會(hui)(hui)因雨水而上漲,在此(ci)過程(cheng)中水位的(de)(de)(de)(de)上漲將帶動河(he)(he)(he)(he)流中的(de)(de)(de)(de)泥(ni)砂及碎石(shi)不停(ting)的(de)(de)(de)(de)流動,這就很(hen)容易(yi)發(fa)生(sheng)(sheng)洪水、泥(ni)石(shi)流等(deng)(deng)自(zi)然災害,對(dui)(dui)河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)兩岸(an)居住的(de)(de)(de)(de)人(ren)們(men)將產(chan)生(sheng)(sheng)極(ji)其重要(yao)的(de)(de)(de)(de)影響。相(xiang)反,在連(lian)續(xu)干旱的(de)(de)(de)(de)季節,河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)水位會(hui)(hui)因干旱而出現(xian)下降甚至干涸等(deng)(deng)現(xian)象(xiang),這種現(xian)象(xiang)的(de)(de)(de)(de)出現(xian)不僅(jin)僅(jin)會(hui)(hui)對(dui)(dui)農作(zuo)物產(chan)生(sheng)(sheng)影響,更(geng)會(hui)(hui)對(dui)(dui)人(ren)們(men)的(de)(de)(de)(de)生(sheng)(sheng)產(chan)生(sheng)(sheng)活(huo)(huo)產(chan)生(sheng)(sheng)極(ji)其重要(yao)的(de)(de)(de)(de)影響。就我國現(xian)階段河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)水資(zi)(zi)(zi)源質量(liang)而言,由于其破(po)壞嚴重,大部門的(de)(de)(de)(de)河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)水資(zi)(zi)(zi)源都遭受了(le)(le)不同程(cheng)度的(de)(de)(de)(de)破(po)壞,進(jin)而影響了(le)(le)生(sheng)(sheng)態環境的(de)(de)(de)(de)發(fa)展(zhan)(zhan)(zhan)。所以,為(wei)了(le)(le)改善(shan)這種現(xian)狀,滿足人(ren)們(men)生(sheng)(sheng)產(chan)生(sheng)(sheng)活(huo)(huo)用水的(de)(de)(de)(de)需要(yao),進(jin)行(xing)河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)治(zhi)理(li)(li)(li)是當前(qian)亟(ji)待解決的(de)(de)(de)(de)重要(yao)舉(ju)措之一(yi)(yi),對(dui)(dui)其經濟建(jian)設發(fa)展(zhan)(zhan)(zhan)也有(you)著(zhu)極(ji)其重大的(de)(de)(de)(de)意義。河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)(de)治(zhi)理(li)(li)(li),不僅(jin)僅(jin)體現(xian)了(le)(le)可(ke)持續(xu)發(fa)展(zhan)(zhan)(zhan)戰(zhan)略的(de)(de)(de)(de)重要(yao)目(mu)標,更(geng)是一(yi)(yi)種社(she)會(hui)(hui)需要(yao)。為(wei)了(le)(le)有(you)效的(de)(de)(de)(de)改善(shan)資(zi)(zi)(zi)源環境、充分(fen)發(fa)揮河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)(de)生(sheng)(sheng)態功(gong)能及社(she)會(hui)(hui)功(gong)能,針對(dui)(dui)現(xian)階段如何有(you)效的(de)(de)(de)(de)加強(qiang)對(dui)(dui)河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)(de)治(zhi)理(li)(li)(li),文章主要(yao)以某河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)治(zhi)理(li)(li)(li)工程(cheng)為(wei)例,進(jin)行(xing)詳細的(de)(de)(de)(de)分(fen)析與總結(jie),并為(wei)其他河(he)(he)(he)(he)道(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)工程(cheng)治(zhi)理(li)(li)(li)提(ti)供可(ke)參考(kao)的(de)(de)(de)(de)資(zi)(zi)(zi)料,以便更(geng)好的(de)(de)(de)(de)促進(jin)經濟建(jian)設發(fa)展(zhan)(zhan)(zhan)。
1.河(he)道治理工程(cheng)存在的主要問(wen)題?
1.1過多改變(bian)河道原(yuan)貌,抗(kang)洪能力(li)低。?
河道(dao)(dao)治理過程中,往往不能(neng)依據實際情況進行(xing)(xing)良(liang)好的改善,從(cong)而忽(hu)略其(qi)河道(dao)(dao)本身的天然特性。憑借經驗單方面的改變河道(dao)(dao)斷面形狀及周邊構造,只(zhi)從(cong)抗洪這(zhe)一點對(dui)河道(dao)(dao)進行(xing)(xing)整治,這(zhe)樣不僅僅會(hui)(hui)降低河道(dao)(dao)抗洪的風(feng)險,更(geng)加(jia)會(hui)(hui)對(dui)下游的居民造成不可估(gu)量的經濟財產(chan)損失。?
1.2大量使用硬質材料,破壞生態(tai)環境。
在傳統河(he)道(dao)治理中,往往采用硬質材(cai)料(liao)對其(qi)進行整治,這(zhe)種材(cai)質的(de)使用雖然(ran)加固了(le)河(he)道(dao)的(de)護坡。但是從長遠來講,不利于河(he)道(dao)的(de)生(sheng)態環(huan)境建設,不僅(jin)(jin)僅(jin)(jin)加劇了(le)河(he)道(dao)兩岸(an)植被的(de)破壞,影響(xiang)生(sheng)態環(huan)境,更是降低了(le)河(he)道(dao)提防防滲(shen)功能,進而導致(zhi)城(cheng)市地下(xia)水不足,河(he)道(dao)兩岸(an)長此以往將變(bian)成荒地,再加上人為因素的(de)影響(xiang),河(he)道(dao)周圍(wei)污水排放嚴(yan)重,增加了(le)水資源受污染的(de)嚴(yan)重現象,極不利于生(sheng)態的(de)長久(jiu)發(fa)展。?
1.3受到周圍建設(she)的干擾,破壞了(le)自然景觀。
城(cheng)市(shi)河(he)道從某(mou)種意(yi)義(yi)上(shang)而言(yan),具有明顯(xian)的(de)邊緣(yuan)效應,它將周邊環(huan)境與城(cheng)市(shi)建設(she)(she)緊密的(de)連接在一(yi)起,形(xing)成(cheng)水(shui)陸交錯(cuo)的(de)過渡地帶。一(yi)些城(cheng)市(shi)為了加快其建設(she)(she)發展,對城(cheng)市(shi)周邊進行大(da)規模(mo)的(de)建設(she)(she)與開發,這不僅僅破(po)壞(huai)了河(he)道的(de)自然景觀(guan),而且深層次上(shang)也嚴重破(po)壞(huai)了河(he)道的(de)生態環(huan)境。
2.河道治理工程的改善措施?
2.1堤(di)壩方面的治理。
改變(bian)傳(chuan)(chuan)統(tong)生(sheng)態(tai)(tai)河道(dao)(dao)堤(di)防建(jian)設的(de)(de)整(zheng)治(zhi)措施(shi),從(cong)長遠角度出發進(jin)(jin)行規(gui)劃建(jian)設整(zheng)治(zhi)。傳(chuan)(chuan)統(tong)角度而言(yan),河道(dao)(dao)主(zhu)要從(cong)"渠化"、"硬化"等兩(liang)方(fang)面進(jin)(jin)行工(gong)程整(zheng)治(zhi),但(dan)隨著城(cheng)市建(jian)設的(de)(de)不(bu)斷變(bian)化發展,這種(zhong)措施(shi)逐漸暴露出來的(de)(de)一些弊端(duan)也越來越明(ming)顯。不(bu)僅(jin)僅(jin)會(hui)對(dui)自然環境造成一定的(de)(de)破壞,更難(nan)以從(cong)根本上對(dui)河道(dao)(dao)進(jin)(jin)行整(zheng)治(zhi)。故此,必須采用(yong)新的(de)(de)技(ji)術方(fang)法(fa)及手段,針對(dui)水(shui)資源整(zheng)合(he)利用(yong)先進(jin)(jin)的(de)(de)科學技(ji)術、先進(jin)(jin)的(de)(de)材(cai)料以保護生(sheng)態(tai)(tai)環境為(wei)基礎對(dui)堤(di)壩進(jin)(jin)行整(zheng)治(zhi)。?
2.2生態袋(dai)護岸工程試驗。
在(zai)進(jin)(jin)行(xing)(xing)河(he)道(dao)(dao)治(zhi)(zhi)(zhi)理(li)(li)過程(cheng)中,可以(yi)將(jiang)(jiang)植(zhi)物(wu)、土(tu)壤(rang)等(deng)(deng)因(yin)素考慮其(qi)中,從而(er)形(xing)成良好的(de)(de)(de)(de)生態(tai)環境(jing)(jing)建設(she)系統。針對(dui)邊坡工程(cheng)可以(yi)利(li)用生態(tai)袋將(jiang)(jiang)土(tu)壤(rang)與營養水(shui)分(fen)(fen)進(jin)(jin)行(xing)(xing)填充從而(er)形(xing)成自由(you)排水(shui)的(de)(de)(de)(de)土(tu)壤(rang)。結(jie)合實際治(zhi)(zhi)(zhi)理(li)(li)工程(cheng)的(de)(de)(de)(de)需要(yao),將(jiang)(jiang)結(jie)構(gou)不同的(de)(de)(de)(de)土(tu)顆粒(li)進(jin)(jin)行(xing)(xing)透水(shui)作業,通過植(zhi)被特(te)(te)點結(jie)合地基(ji)從而(er)使其(qi)成為(wei)一個整(zheng)體,這(zhe)樣不僅僅會防(fang)止分(fen)(fen)離、坍塌等(deng)(deng)現象的(de)(de)(de)(de)發(fa)生,更(geng)加有利(li)于生態(tai)環境(jing)(jing)的(de)(de)(de)(de)良好發(fa)展。在(zai)河(he)道(dao)(dao)治(zhi)(zhi)(zhi)理(li)(li)施(shi)工時,要(yao)選(xuan)擇(ze)材料輕便,運輸量(liang)較小的(de)(de)(de)(de)機械(xie)設(she)備進(jin)(jin)行(xing)(xing)河(he)道(dao)(dao)治(zhi)(zhi)(zhi)理(li)(li)施(shi)工,針對(dui)不同河(he)道(dao)(dao)施(shi)工,考慮結(jie)構(gou)物(wu)特(te)(te)性、植(zhi)被根系、溫度(du)氣候(hou)等(deng)(deng)對(dui)河(he)道(dao)(dao)治(zhi)(zhi)(zhi)理(li)(li)的(de)(de)(de)(de)影響。構(gou)建可持續發(fa)展的(de)(de)(de)(de)河(he)道(dao)(dao)生態(tai)環境(jing)(jing),具體落(luo)實"生態(tai)清潔型河(he)道(dao)(dao)整(zheng)治(zhi)(zhi)(zhi)措(cuo)施(shi)"的(de)(de)(de)(de)實施(shi),對(dui)邊坡進(jin)(jin)行(xing)(xing)加固(gu)。?
2.3科學技術。
水(shui)力(li)學(xue)技(ji)術(shu)(shu)是(shi)指利(li)用(yong)水(shui)力(li)構造(zao)控制水(shui)體的(de)(de)(de)狀態。在河道治理(li)中(zhong)(zhong),水(shui)力(li)學(xue)方法(fa)主要包括(kuo):引清調水(shui)、筑壩造(zao)流(liu)水(shui)位以及水(shui)力(li)造(zao)流(liu),道內(nei)的(de)(de)(de)污(wu)染物稀(xi)釋、提高水(shui)質(zhi)等(deng)做法(fa),也(ye)(ye)可(ke)以采取機械除(chu)(chu)(chu)藻(zao)的(de)(de)(de)方法(fa)。氣(qi)浮法(fa)除(chu)(chu)(chu)藻(zao)技(ji)術(shu)(shu)是(shi)一項生物促(cu)進(jin)(jin)技(ji)術(shu)(shu),也(ye)(ye)是(shi)國(guo)外(wai)比較(jiao)流(liu)行的(de)(de)(de)治污(wu)技(ji)術(shu)(shu)之一,通過對自然并可(ke)利(li)用(yong)國(guo)內(nei)外(wai)現(xian)有(you)的(de)(de)(de)先進(jin)(jin)成套設備。Ploche系統除(chu)(chu)(chu)藻(zao)法(fa):Plocher能(neng)量(liang)系統是(shi)德(de)國(guo)專(zhuan)利(li),無需基建投(tou)資,效(xiao)果(guo)(guo)理(li)想且無副作用(yong)。在家庭游泳(yong)池和(he)日內(nei)瓦湖(hu)局部水(shui)體有(you)效(xiao)果(guo)(guo)。磁法(fa)除(chu)(chu)(chu)藻(zao)法(fa):該技(ji)術(shu)(shu)只用(yong)于飲(yin)用(yong)水(shui)管道內(nei)除(chu)(chu)(chu)藻(zao),未見物的(de)(de)(de)生理(li)功能(neng),提高生物氧化效(xiao)果(guo)(guo),促(cu)生劑中(zhong)(zhong)含(han)有(you)生化酶能(neng)用(yong)于河、湖(hu)水(shui)華控制。超(chao)聲波(bo)除(chu)(chu)(chu)藻(zao)法(fa):超(chao)聲波(bo)殺滅藻(zao)細胞技(ji)術(shu)(shu),在某些(xie)景(jing)觀小水(shui)體中(zhong)(zhong)有(you)應用(yong)善(shan)競爭性地抑制了(le)耐污(wu)型微(wei)生物。這(zhe)些(xie)先進(jin)(jin)的(de)(de)(de)科學(xue)技(ji)術(shu)(shu),都可(ke)以拿來借鑒。?
2.4人為截斷污染源,加強對上(shang)游垃圾的排放量進行嚴格(ge)控制,以及在(zai)上(shang)游建立污水處理廠
企(qi)業為了(le)謀(mou)求其自(zi)身的(de)(de)發(fa)(fa)展(zhan),不考慮長遠利(li)益,以犧牲"生(sheng)態環境"為代價來換(huan)(huan)取"經(jing)濟利(li)益",進而加劇了(le)城市河道水(shui)污染(ran)的(de)(de)現狀。嚴格控制企(qi)業污水(shui)排放量,進行匯集管網集中(zhong)處理,并(bing)加強執法(fa)管理力度(du)。對水(shui)系內(nei)的(de)(de)生(sheng)活污水(shui)分(fen)(fen)流(liu)(liu)處理,再(zai)次過(guo)渡(du)利(li)用。通(tong)過(guo)設立(li)(li)多(duo)功能(neng)攔污柵(zha)欄,建立(li)(li)保潔隊和保潔措施。另外,水(shui)體置換(huan)(huan),吐舊(jiu)納新(xin),也(ye)是一項有效措施,在整治(zhi)過(guo)程中(zhong),按(an)照河道級別,分(fen)(fen)流(liu)(liu)疏導。建立(li)(li)新(xin)型生(sheng)態型堤防,保留蜿(wan)蜒曲折的(de)(de)天然河流(liu)(liu)形態,注重人(ren)與自(zi)然的(de)(de)協調發(fa)(fa)展(zhan),和諧生(sheng)態。注意(yi)(yi)兩邊河流(liu)(liu)的(de)(de)植被(bei)保護,加強種植綠色植被(bei)。城市發(fa)(fa)展(zhan)注意(yi)(yi)河流(liu)(liu)的(de)(de)規(gui)劃,爭取利(li)用和改造(zao)互相結(jie)合發(fa)(fa)展(zhan)。?
2.5加強水(shui)資源(yuan)保(bao)護(hu)。
加(jia)強(qiang)(qiang)水(shui)資(zi)源的(de)(de)(de)保護(hu),制(zhi)(zhi)定出相關規章制(zhi)(zhi)度(du),加(jia)強(qiang)(qiang)行(xing)(xing)(xing)政干預的(de)(de)(de)手段和(he)(he)(he)力度(du),對(dui)水(shui)系河(he)(he)(he)道(dao)的(de)(de)(de)進行(xing)(xing)(xing)保護(hu)。河(he)(he)(he)道(dao)疏浚是(shi)防汛抗(kang)旱(han)的(de)(de)(de)關鍵,保障河(he)(he)(he)道(dao)正(zheng)常的(de)(de)(de)蓄水(shui)和(he)(he)(he)洪(hong)水(shui)到來時(shi)的(de)(de)(de)排泄暢(chang)(chang)通,是(shi)保障人民生命、財(cai)產安(an)全和(he)(he)(he)社會發(fa)展(zhan)(zhan)、穩定的(de)(de)(de)大(da)事。河(he)(he)(he)道(dao)能(neng)流(liu)暢(chang)(chang)蓄水(shui)泄洪(hong),這個地方才有良好的(de)(de)(de)發(fa)展(zhan)(zhan)前景(jing)和(he)(he)(he)動力。要(yao)(yao)(yao)(yao)搞好現有河(he)(he)(he)道(dao)的(de)(de)(de)整體規劃(hua)(hua)為創造社會長治(zhi)久安(an)打基(ji)礎。在規劃(hua)(hua)中,要(yao)(yao)(yao)(yao)精心(xin)細致地調查,訶(he)寬要(yao)(yao)(yao)(yao)留足(zu),河(he)(he)(he)道(dao)要(yao)(yao)(yao)(yao)加(jia)深;要(yao)(yao)(yao)(yao)使(shi)改造后(hou)的(de)(de)(de)河(he)(he)(he)道(dao)能(neng)暢(chang)(chang)泄一(yi)般洪(hong)水(shui)流(liu)量,特大(da)洪(hong)水(shui)也要(yao)(yao)(yao)(yao)排得(de)出。二是(shi)要(yao)(yao)(yao)(yao)加(jia)強(qiang)(qiang)河(he)(he)(he)道(dao)管(guan)理,清理行(xing)(xing)(xing)洪(hong)之障礙,要(yao)(yao)(yao)(yao)堅決按《水(shui)法(fa)》和(he)(he)(he)《河(he)(he)(he)道(dao)管(guan)理條例》執行(xing)(xing)(xing)。城市河(he)(he)(he)道(dao)綜(zong)合治(zhi)理是(shi)一(yi)項非常復雜的(de)(de)(de)綜(zong)合性系統工程(cheng),其(qi)研究內容涉及(ji)水(shui)利、交通、生物(wu)化學、環境科學以及(ji)河(he)(he)(he)流(liu)景(jing)觀設(she)計(ji)等。如何使(shi)污染河(he)(he)(he)道(dao)的(de)(de)(de)生態(tai)系統重(zhong)新改造使(shi)之恢(hui)復原有的(de)(de)(de)生態(tai)功能(neng)顯得(de)更為重(zhong)要(yao)(yao)(yao)(yao)。河(he)(he)(he)道(dao)的(de)(de)(de)生態(tai)恢(hui)復和(he)(he)(he)河(he)(he)(he)流(liu)景(jing)觀將(jiang)是(shi)今后(hou)在進行(xing)(xing)(xing)城市河(he)(he)(he)道(dao)綜(zong)合治(zhi)理工程(cheng)設(she)計(ji)時(shi)的(de)(de)(de)重(zhong)點研究方向。
參考文獻
[1]王華,李力.淺(qian)淡建設單位(wei)對河道治理工(gong)程(cheng)的質量(liang)控制(zhi)[J].黑龍江科技信(xin)息,2011(35).
[2]陳勛(xun),李梅鳳,黃成業.河道治理(li)中的(de)生態水利應用(yong)探究[J].中華民居,2011(11).
[3]段強.河道防洪工(gong)程建設的施(shi)工(gong)技(ji)術[J].技(ji)術與市場,2011(8).
[4]劉漢鵬(peng).淺析河道防洪護岸(an)工(gong)程[J].黑龍江科技信(xin)息,2011(19).
篇6
1.1擬定綜(zong)合規劃方(fang)案
1.1.1營(ying)造美(mei)麗的河流景(jing)觀
為(wei)豐(feng)富河道內水流(liu)流(liu)態,穩(wen)定河勢,豐(feng)富河流(liu)地貌形(xing)態,提高河流(liu)自凈能力,修建潛壩,建設呈多形(xing)態河流(liu)生態濕地湖。
1.1.2確定河流的風格
不(bu)同的(de)自然、歷史(shi)和文(wen)化特征使河流(liu)(liu)的(de)風貌有較大(da)差異,側(ce)重(zhong)發揮河流(liu)(liu)的(de)復合功(gong)能,確定(ding)河流(liu)(liu)的(de)風格即河流(liu)(liu)本身。包括河流(liu)(liu)本身的(de)空(kong)間(jian)結構(平面(mian)和縱、剖面(mian)形態(tai),流(liu)(liu)水、河灘、壅(yong)水壩(ba)等)、河流(liu)(liu)空(kong)間(jian)中的(de)景(jing)物等。
1.2工程總布置
玄羊寺段(duan)工程(cheng)主要(yao)建設內(nei)容包括(kuo):①在(zai)(zai)支流(liu)(liu)四營(ying)子(zi)河(he)左右岸分(fen)別(bie)布(bu)設濕地湖一處,即春日湖(D1+000—D1+350)和(he)秋月湖(Z0+100—Z0+450)。兩湖周(zhou)邊形成灘地,使(shi)其環境適宜(yi)中華(hua)鱉物種的繁育,建設成多形態(tai)河(he)流(liu)(liu)生(sheng)(sheng)態(tai)濕地湖,突出小(xiao)凌河(he)山野河(he)口風貌及河(he)灣景觀(guan);②在(zai)(zai)干(gan)支流(liu)(liu)河(he)道(dao)左右岸種植垂(chui)柳、棉槐、丁香、刺玫、野花組合等進(jin)行綠化(hua),不僅起到景觀(guan)工程(cheng)的效果,而且還能(neng)與(yu)生(sheng)(sheng)態(tai)相結合,使(shi)人們更加親近大自然(ran);③在(zai)(zai)小(xiao)凌河(he)干(gan)流(liu)(liu)斷(duan)(duan)面0+900~1+000和(he)斷(duan)(duan)面1+600處分(fen)別(bie)修建W型潛(qian)壩01、02,以降(jiang)低水流(liu)(liu)流(liu)(liu)速,減少沖刷,穩定河(he)勢(shi)并(bing)增加溶解氧含量,提高(gao)河(he)流(liu)(liu)自凈(jing)能(neng)力;④在(zai)(zai)干(gan)支流(liu)(liu)河(he)道(dao)左右岸布(bu)設親水區,以方便游人觀(guan)賞(shang)。
2工程設計
2.1綠化工程設計
在支流(liu)四營子河左右(you)(you)岸分別布設濕地湖(hu)(hu)(hu)一處,即(ji)春日(ri)湖(hu)(hu)(hu)和秋月(yue)湖(hu)(hu)(hu)。①春日(ri)湖(hu)(hu)(hu),挖(wa)(wa)深1.2m,開(kai)(kai)(kai)(kai)挖(wa)(wa)面(mian)(mian)(mian)積(ji)(ji)(ji)31872m2,土方(fang)開(kai)(kai)(kai)(kai)挖(wa)(wa)外(wai)運28686m3,開(kai)(kai)(kai)(kai)挖(wa)(wa)邊(bian)坡(po)為(wei)1∶10,種(zhong)植蒲草面(mian)(mian)(mian)積(ji)(ji)(ji)5737m2,種(zhong)植千屈(qu)菜(cai)面(mian)(mian)(mian)積(ji)(ji)(ji)5737m2;②秋月(yue)湖(hu)(hu)(hu),挖(wa)(wa)深1.8m,開(kai)(kai)(kai)(kai)挖(wa)(wa)面(mian)(mian)(mian)積(ji)(ji)(ji)21765m2,土方(fang)開(kai)(kai)(kai)(kai)挖(wa)(wa)外(wai)運11753m3,開(kai)(kai)(kai)(kai)挖(wa)(wa)邊(bian)坡(po)為(wei)1∶10,種(zhong)植蒲草面(mian)(mian)(mian)積(ji)(ji)(ji)3918m2,種(zhong)植千屈(qu)菜(cai)面(mian)(mian)(mian)積(ji)(ji)(ji)3918m2;兩(liang)湖(hu)(hu)(hu)內均采用石籠護(hu)腳(jiao)。支流(liu)四營子河與小凌(ling)河干流(liu)左右(you)(you)岸均有較大面(mian)(mian)(mian)積(ji)(ji)(ji)旱地,需(xu)要栽(zai)種(zhong)植物,種(zhong)植柳樹34株(zhu)(zhu)(zhu),丁香196株(zhu)(zhu)(zhu),棉槐700株(zhu)(zhu)(zhu),刺(ci)玫1816株(zhu)(zhu)(zhu),杞柳36592株(zhu)(zhu)(zhu),連翹4928株(zhu)(zhu)(zhu),野花組合14303m2,苜蓿(xu)5094m2,公路下方(fang)堤腳(jiao)種(zhong)植爬(pa)山(shan)虎360株(zhu)(zhu)(zhu)。
2.2潛(qian)壩工程(cheng)設(she)計
為(wei)(wei)(wei)了降(jiang)低(di)河(he)(he)道水(shui)流流速,減少沖刷(shua),穩定(ding)河(he)(he)勢并(bing)增加溶(rong)解氧含(han)量,提高河(he)(he)流自凈(jing)能力,在(zai)(zai)小凌(ling)河(he)(he)干流斷(duan)(duan)面(mian)0+900~1+000修建(jian)W型(xing)潛壩(ba)01,斷(duan)(duan)面(mian)1+800至1+900之間修建(jian)W型(xing)潛壩(ba)02,分(fen)別(bie)(bie)長130m、120m,潛壩(ba)01、潛壩(ba)02石籠(long)(long)編籠(long)(long)分(fen)別(bie)(bie)為(wei)(wei)(wei)10998.7m2、9177.5m2;石籠(long)(long)砌(qi)筑分(fen)別(bie)(bie)為(wei)(wei)(wei)2842.1m3、2421.7m3;砂(sha)石墊層分(fen)別(bie)(bie)為(wei)(wei)(wei)562.8m3、479.5m3;砂(sha)石路面(mian)分(fen)別(bie)(bie)為(wei)(wei)(wei)33.8m2、28.8m2;土(tu)(tu)方(fang)(fang)開挖分(fen)別(bie)(bie)為(wei)(wei)(wei)4331.9m3、3691m3;土(tu)(tu)方(fang)(fang)回(hui)填分(fen)別(bie)(bie)為(wei)(wei)(wei)3356m3、2859.8m3。潛壩(ba)的(de)型(xing)式主要(yao)以W堰(yan)型(xing)為(wei)(wei)(wei)主。W型(xing)堰(yan)的(de)結構如圖2所示,在(zai)(zai)平灘高程位置以與岸(an)(an)坡夾角在(zai)(zai)30°的(de)方(fang)(fang)向(xiang)從(cong)(cong)河(he)(he)岸(an)(an)向(xiang)上游(you)主槽(cao)延伸,但在(zai)(zai)1/4河(he)(he)道平灘寬度位置處開始向(xiang)下游(you)延伸,并(bing)逐(zhu)漸抬(tai)高,形(xing)成兩個深泓。W型(xing)堰(yan)可(ke)加強(qiang)魚類等生物的(de)棲息(xi)地,并(bing)可(ke)保(bao)護(hu)河(he)(he)道岸(an)(an)坡,同時有利于從(cong)(cong)河(he)(he)道引水(shui),還(huan)可(ke)以為(wei)(wei)(wei)水(shui)上娛樂創造良(liang)好的(de)水(shui)流條件。
2.3清淤工程設計(ji)
為(wei)減(jian)輕泥沙(sha)對小凌(ling)(ling)河(he)(he)干(gan)支流河(he)(he)道的(de)淤積,增加河(he)(he)道的(de)行(xing)洪(hong)能力(li),使(shi)河(he)(he)道順暢,通過小凌(ling)(ling)河(he)(he)支流四營子河(he)(he)匯(hui)入小凌(ling)(ling)河(he)(he)干(gan)流,形成完美的(de)三水(shui)效果,此河(he)(he)段通過河(he)(he)道清淤治(zhi)理長(chang)度2.57km。2.4其他工(gong)程設(she)計為(wei)方便游(you)人觀賞和游(you)玩,項目區內修建親水(shui)區3處,均布設(she)涼(liang)亭(ting)1座(zuo),布設(she)木棧道85m。
3結語
篇7
河(he)道治理工(gong)程(cheng)(cheng)的(de)實施(shi)會對(dui)工(gong)程(cheng)(cheng)區域(yu)內的(de)自然(ran)生態(tai)環境和水土保持帶來(lai)負面影響(xiang)。以永(yong)定(ding)新河(he)河(he)道治理工(gong)程(cheng)(cheng)為例, 分析工(gong)程(cheng)(cheng)建設(she)中可能(neng)造成(cheng)的(de)水土流失(shi)影響(xiang), 從工(gong)程(cheng)(cheng)、生物和臨(lin)時三方面提出水土保持的(de)防治措施(shi), 并(bing)對(dui)其投(tou)資進行了初步(bu)估算和效益分析。
裝修方案.rar
篇8
【關鍵詞(ci)】格(ge)賓(bin)籠;施工(gong);質量要求
格賓籠(long)(long)是(shi)一種(zhong)將蜂巢形(xing)格賓網片組裝(zhuang)成(cheng)箱籠(long)(long),并(bing)裝(zhuang)入塊石等(deng)填充(chong)料后(hou),碼放成(cheng)墻,用作河流護岸或(huo)支護結(jie)構(gou)的新(xin)技(ji)術。
1 格賓籠介紹
格賓籠(long)是(shi)由厚(hou)鍍鋅低碳鋼(gang)絲(根據要(yao)(yao)求外涂樹脂保護(hu)膜)經專用機(ji)器編織(zhi)而成的金屬網面結構(見(jian)圖一)組裝(zhuang)成箱籠(long)(見(jian)圖二)。因其抗壓能力(li)好、抗剪強(qiang)度強(qiang)、耐腐蝕性能優(you)等有關力(li)學指標,并且具有環(huan)保性、經濟性及(ji)施工(gong)便捷性等諸(zhu)多優(you)勢,在現(xian)代河道(dao)綜合治理工(gong)程中得(de)到廣(guang)泛推廣(guang)運(yun)用。工(gong)程完工(gong)后,格賓石籠(long)頂部能夠(gou)形成豐富的植被覆蓋(gai)層,根據景(jing)觀要(yao)(yao)求及(ji)當地土壤、氣候條件,選(xuan)擇植被草種(zhong)或灌木品種(zhong),將極大(da)改(gai)善當地河道(dao)自然景(jing)觀和(he)人(ren)居環(huan)境。
2 格(ge)賓籠(long)施工步(bu)驟及注意事項(xiang)
首先按設(she)計要求削坡(po)并平整鋪設(she)面(mian)(mian),坡(po)面(mian)(mian)或基(ji)(ji)地(di)面(mian)(mian)應平整、密(mi)實、無雜(za)質。基(ji)(ji)面(mian)(mian)清(qing)理(li)范(fan)圍包括坡(po)面(mian)(mian)及階面(mian)(mian),頂(ding)部其邊界應在設(she)計基(ji)(ji)面(mian)(mian)邊線外30cm~50cm。避免(mian)對已清(qing)理(li)的(de)(de)(de)基(ji)(ji)土造成人為(wei)破壞,基(ji)(ji)面(mian)(mian)表(biao)層(ceng)不合格土、雜(za)物等必須(xu)清(qing)除,基(ji)(ji)面(mian)(mian)范(fan)圍內的(de)(de)(de)坑、槽、溝等,應按填筑要求進行回(hui)填處(chu)理(li),基(ji)(ji)面(mian)(mian)清(qing)理(li)平整后,若不能立即施工時,應做好(hao)基(ji)(ji)面(mian)(mian)保護。如遇(yu)較差的(de)(de)(de)地(di)基(ji)(ji)土質時(如遇(yu)流(liu)、沙淤(yu)泥(ni)等),應另作地(di)基(ji)(ji)處(chu)理(li),處(chu)理(li)后的(de)(de)(de)地(di)基(ji)(ji)承載力必須(xu)符合設(she)計要求。
其次為了防止地基受(shou)到沖刷而影響擋(dang)土墻的(de)(de)(de)穩定(ding)(ding),要(yao)做好鋪設透水土工織物(wu)或(huo)反濾(lv)層,形(xing)成一定(ding)(ding)作用(yong)的(de)(de)(de)反濾(lv)效果。土工布鋪設時,按(an)照(zhao)垂直水流的(de)(de)(de)方向進(jin)行(xing)(xing)鋪設,保證上下(xia)游土工布鋪設的(de)(de)(de)完整連接效果,并且保證連接長度要(yao)規(gui)定(ding)(ding)在(zai)20到30cm之間(jian),之后進(jin)行(xing)(xing)端部(bu)、中(zhong)間(jian)的(de)(de)(de)正常(chang)順(shun)序的(de)(de)(de)鋪設工序。同時要(yao)注意在(zai)粗(cu)砂反濾(lv)層強(qiang)度選(xuan)用(yong)上要(yao)盡(jin)量運用(yong)碎石,主(zhu)要(yao)是其表現(xian)的(de)(de)(de)比較均勻的(de)(de)(de)強(qiang)度性質,在(zai)石料的(de)(de)(de)最大(da)粒徑(jing)的(de)(de)(de)選(xuan)擇上要(yao)滿足在(zai)墊層總(zong)厚度的(de)(de)(de)三分(fen)之二,填補(bu)過(guo)程中(zhong)的(de)(de)(de)石子的(de)(de)(de)具體粒徑(jing)要(yao)控制在(zai)5到25mm之間(jian),使得砂石等穩定(ding)(ding)堆積,避免松動現(xian)象的(de)(de)(de)出現(xian),保證空(kong)隙(xi)填補(bu)的(de)(de)(de)完整性。
3 格賓籠施工及作用
3.1 組裝格賓籠
格(ge)賓(bin)籠由(you)格(ge)賓(bin)網(wang)(wang)片構成(cheng),格(ge)賓(bin)網(wang)(wang)片經專用(yong)(yong)機器編織而成(cheng),但必(bi)須(xu)(xu)在(zai)施工現場視用(yong)(yong)途(tu)組(zu)(zu)裝(zhuang)(zhuang)成(cheng)所需要的(de)格(ge)賓(bin)籠,雖然具(ju)體操作安裝(zhuang)(zhuang)的(de)程(cheng)序比(bi)較簡單(dan)和方便(bian),但組(zu)(zu)裝(zhuang)(zhuang)之后(hou)質(zhi)量的(de)好(hao)壞會直接會影響結構的(de)安全性能和使用(yong)(yong)壽命。因此(ci),組(zu)(zu)裝(zhuang)(zhuang)格(ge)賓(bin)籠時,間隔(ge)網(wang)(wang)與網(wang)(wang)身應成(cheng)90°相交(jiao)(jiao),經綁(bang)扎形成(cheng)長(chang)方形網(wang)(wang)箱組(zu)(zu)或(huo)網(wang)(wang)箱,綁(bang)扎線(xian)(xian)(xian)(xian)必(bi)須(xu)(xu)是與網(wang)(wang)線(xian)(xian)(xian)(xian)同(tong)材質(zhi)的(de)鋼絲(si),每一(yi)(yi)道綁(bang)扎必(bi)須(xu)(xu)是雙股線(xian)(xian)(xian)(xian)并(bing)絞緊;同(tong)時,間隔(ge)網(wang)(wang)與網(wang)(wang)身的(de)四處交(jiao)(jiao)角處必(bi)須(xu)(xu)各綁(bang)扎一(yi)(yi)道,交(jiao)(jiao)接處每間隔(ge)25cm綁(bang)扎一(yi)(yi)道,相鄰框線(xian)(xian)(xian)(xian),必(bi)須(xu)(xu)采用(yong)(yong)組(zu)(zu)合(he)線(xian)(xian)(xian)(xian)聯結,即用(yong)(yong)綁(bang)扎線(xian)(xian)(xian)(xian)一(yi)(yi)孔(kong)繞一(yi)(yi)圈接一(yi)(yi)孔(kong)繞二圈呈螺旋狀穿孔(kong)絞繞聯結。
3.2 網(wang)箱組間(jian)連接綁扎的要求及作用
格(ge)賓籠技術在(zai)河(he)道綜合(he)治理工程(cheng)中得到廣泛推廣及運用,主要是由于(yu)其具備(bei)良好的(de)(de)(de)延(yan)展性能(neng),抵抗高(gao)強度的(de)(de)(de)壓(ya)力和水流(liu)沖擊突出的(de)(de)(de)優勢地位決定(ding)的(de)(de)(de)。為(wei)此,網(wang)(wang)箱(xiang)間(jian)綁(bang)扎的(de)(de)(de)要求尤為(wei)重要,在(zai)具體操作(zuo)時必(bi)(bi)須做到:相鄰網(wang)(wang)箱(xiang)組的(de)(de)(de)上(shang)下四角各綁(bang)扎一道,上(shang)下框線或折線,必(bi)(bi)須每間(jian)隔25cm綁(bang)扎一道,相鄰網(wang)(wang)箱(xiang)組的(de)(de)(de)網(wang)(wang)片結合(he)面則每平方米綁(bang)扎2處,部位的(de)(de)(de)網(wang)(wang)片,應(ying)在(zai)每次箱(xiang)內填石1/3高(gao)后設置拉(la)筋線,呈八(ba)字形向內拉(la)緊固(gu)定(ding)。
嚴格按照程(cheng)序組裝后(hou)的(de)(de)(de)(de)格賓籠,能(neng)(neng)適(shi)應不(bu)同(tong)的(de)(de)(de)(de)土質(zhi)結(jie)(jie)構(gou)形式(shi)(shi),適(shi)應地基結(jie)(jie)構(gou)的(de)(de)(de)(de)穩定(ding)(ding)(ding)性(xing)能(neng)(neng)和(he)(he)表現(xian)一定(ding)(ding)(ding)的(de)(de)(de)(de)支撐作用,而(er)且(qie)有(you)一定(ding)(ding)(ding)的(de)(de)(de)(de)抗變形的(de)(de)(de)(de)能(neng)(neng)力,保(bao)證(zheng)整體結(jie)(jie)構(gou)的(de)(de)(de)(de)穩定(ding)(ding)(ding)性(xing),避免任(ren)何斷(duan)裂和(he)(he)破壞事件(jian)的(de)(de)(de)(de)發生;而(er)其主體的(de)(de)(de)(de)蜂巢(chao)結(jie)(jie)構(gou)形式(shi)(shi),可以(yi)做到高效的(de)(de)(de)(de)排水(shui)處(chu)理(li),提供結(jie)(jie)構(gou)填(tian)石(shi)之間的(de)(de)(de)(de)縫隙作為流(liu)(liu)通(tong)渠道,保(bao)證(zheng)地下水(shui)等水(shui)流(liu)(liu)的(de)(de)(de)(de)滲透比較(jiao)順暢,有(you)效避免空隙受到一定(ding)(ding)(ding)的(de)(de)(de)(de)壓力,保(bao)證(zheng)石(shi)塊之間的(de)(de)(de)(de)摩擦效果(guo)不(bu)會對整個石(shi)籠結(jie)(jie)構(gou)造成一定(ding)(ding)(ding)的(de)(de)(de)(de)摩擦和(he)(he)銷蝕(shi)作用;同(tong)時可以(yi)避免單獨網絲斷(duan)裂之后(hou)對整體結(jie)(jie)構(gou)功能(neng)(neng)發揮(hui)的(de)(de)(de)(de)影響,實現(xian)網狀物(wu)的(de)(de)(de)(de)決定(ding)(ding)(ding)穩定(ding)(ding)(ding)性(xing)。
3.3 質量要求
格(ge)賓籠(long)技術(shu)施(shi)工(gong)步驟簡便、適應能(neng)(neng)力(li)強,在(zai)施(shi)工(gong)前做好石子的(de)(de)(de)(de)(de)(de)(de)(de)填充工(gong)作(zuo)(zuo)即可(ke),不(bu)需要(yao)(yao)繁雜工(gong)序和太多技術(shu)的(de)(de)(de)(de)(de)(de)(de)(de)指(zhi)導,同(tong)(tong)時整體(ti)結構不(bu)會占據大量(liang)的(de)(de)(de)(de)(de)(de)(de)(de)空間位置,方便運輸,所以(yi)在(zai)整體(ti)的(de)(de)(de)(de)(de)(de)(de)(de)成本消(xiao)耗上(shang)(shang)(shang)(shang)不(bu)會造成太大的(de)(de)(de)(de)(de)(de)(de)(de)花銷;而在(zai)強大水(shui)流的(de)(de)(de)(de)(de)(de)(de)(de)沖擊下,其(qi)表(biao)現的(de)(de)(de)(de)(de)(de)(de)(de)抗(kang)腐(fu)蝕(shi)性(xing)能(neng)(neng)卻非常優(you)越,這主要(yao)(yao)是格(ge)賓籠(long)網(wang)絲(si)要(yao)(yao)經過雙重的(de)(de)(de)(de)(de)(de)(de)(de)防(fang)(fang)腐(fu)蝕(shi)的(de)(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)處理,具備一(yi)(yi)定(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)抗(kang)氧(yang)化作(zuo)(zuo)用(yong),因此(ci)長期使(shi)用(yong)后會具體(ti)展現其(qi)延伸(shen)的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)磨(mo)作(zuo)(zuo)用(yong),提(ti)高結構的(de)(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)壽命等功(gong)(gong)能(neng)(neng),并且(qie)在(zai)抵御自(zi)然災害上(shang)(shang)(shang)(shang)面要(yao)(yao)有很(hen)強的(de)(de)(de)(de)(de)(de)(de)(de)適應能(neng)(neng)力(li),保證堤防(fang)(fang)工(gong)程(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)順利進行;在(zai)網(wang)箱(xiang)砌體(ti)石縫被(bei)土(tu)填充的(de)(de)(de)(de)(de)(de)(de)(de)同(tong)(tong)時,根據景觀(guan)要(yao)(yao)求(qiu)及當地(di)土(tu)壤、氣候條件,選(xuan)擇植被(bei)草種(zhong)或灌木品種(zhong),可(ke)以(yi)有效的(de)(de)(de)(de)(de)(de)(de)(de)促(cu)進設施(shi)結構的(de)(de)(de)(de)(de)(de)(de)(de)美(mei)化效果,形成一(yi)(yi)個有效的(de)(de)(de)(de)(de)(de)(de)(de)整體(ti)防(fang)(fang)護功(gong)(gong)能(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)護面,保證現代建(jian)設的(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)態發展的(de)(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)得(de)到(dao)貫徹,實(shi)現水(shui)土(tu)保持與(yu)生(sheng)態建(jian)設的(de)(de)(de)(de)(de)(de)(de)(de)有效統一(yi)(yi)。這些效果的(de)(de)(de)(de)(de)(de)(de)(de)實(shi)施(shi)都是建(jian)立在(zai)一(yi)(yi)定(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)質量(liang)要(yao)(yao)求(qiu)基礎之上(shang)(shang)(shang)(shang),要(yao)(yao)具體(ti)針對(dui)各個細節(jie)工(gong)作(zuo)(zuo)處理上(shang)(shang)(shang)(shang)對(dui)整體(ti)結構設施(shi)的(de)(de)(de)(de)(de)(de)(de)(de)穩定(ding)(ding)效果以(yi)及防(fang)(fang)護作(zuo)(zuo)用(yong)進行綜合考慮(lv)與(yu)分析(xi)。
4 結語
格賓籠在耐磨作用(yong)的(de)(de)(de)(de)展現下有(you)效(xiao)抵擋水流的(de)(de)(de)(de)沖蝕作用(yong),保證堤(di)(di)防工(gong)程防護工(gong)作的(de)(de)(de)(de)順利進(jin)行(xing),同(tong)時為(wei)周圍植物生(sheng)長提(ti)供良好的(de)(de)(de)(de)環境(jing),實現現代水利建設與生(sheng)態環境(jing)保護相結合的(de)(de)(de)(de)雙重功效(xiao),促進(jin)堤(di)(di)防工(gong)程事業的(de)(de)(de)(de)有(you)效(xiao)進(jin)步和發展。
參考文獻:
[1]季萬才.河流防洪工程影響評價因子分析研(yan)究[D].西北農林(lin)科技大學(xue),2008.
[2]陳堯(yao)隆.格賓石籠結構(gou)的劣(lie)性(xing)及其補(bu)強(qiang)措施[J].水(shui)土保持(chi)通(tong)報,2008.
[3]袁繽絡.堤防滲透破(po)壞分析及加固(gu)技(ji)術措施探(tan)討[J].中國新(xin)(xin)技(ji)術新(xin)(xin)產品,2010.
篇9
Abstract: This paper compared and analyzed in depth pile-membrane compound cofferdam in comprehensive treatment project in some water course application for reference.
關鍵詞(ci):樁膜(mo)復合圍堰;綜合治理;施工工藝
Key words: pile-membrane compound cofferdam;comprehensive treatment;construction technology
中圖分類號:TV52 文獻標識碼:A文章(zhang)編號:1006-4311(2011)03-0023-01
1工程實例
某河(he)道綜合(he)治理工(gong)(gong)(gong)程根據其整(zheng)體規劃要求,不允許在(zai)(zai)河(he)道內堆積土方(fang),以免影(ying)響河(he)道的(de)通航(hang)能(neng)力。故如何找(zhao)到(dao)一種工(gong)(gong)(gong)程量比(bi)較小、對水體的(de)污染少(shao)、易于(yu)拆(chai)除的(de)臨時擋(dang)水方(fang)案(an)就成為一個亟待(dai)解(jie)決的(de)問題。通過多(duo)方(fang)案(an)的(de)可行(xing)性(xing)對比(bi),決定在(zai)(zai)河(he)道中(zhong)(zhong)搭(da)設(she)圍(wei)堰全長98米,其中(zhong)(zhong)河(he)道中(zhong)(zhong)部搭(da)設(she)長88米樁膜復合(he)圍(wei)堰,在(zai)(zai)河(he)道兩側(ce)淺灘處用草袋(dai)、粘土搭(da)設(she)各5.0米長復合(he)壩,待(dai)工(gong)(gong)(gong)程完工(gong)(gong)(gong)后將土方(fang)清(qing)運出場。
2施工工藝
2.1 測量定位、放(fang)線測量放(fang)樣依據于業主提供(gong)的城建(jian)坐標及(ji)水(shui)準(zhun)點、施工圖紙及(ji)水(shui)利工程(cheng)質量檢驗評定標準(zhun)及(ji)有關規范。
2.2 打樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)首先進行(xing)支撐(cheng)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)打,完畢后,在進行(xing)前(qian)排堰(yan)體木(mu)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)打,利用(yong)(yong)重錘將木(mu)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)逐一就位(wei),除后排支撐(cheng)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)及河道(dao)中(zhong)部局部水(shui)深處采用(yong)(yong)8米(mi)(mi)長圓(yuan)(yuan)木(mu)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang),其余部位(wei)均(jun)采用(yong)(yong)6米(mi)(mi)長圓(yuan)(yuan)木(mu)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang),樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)至少(shao)打進持力(li)層2.0米(mi)(mi)。圓(yuan)(yuan)木(mu)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)一根緊挨著一根進行(xing)施(shi)(shi)打,將木(mu)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)施(shi)(shi)打到樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)頂(ding)2.5米(mi)(mi)高程(cheng),以形成一道(dao)木(mu)樁(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)壩。
2.3 搭設棧橋、加固壩(ba)體利(li)用(yong) 48腳手(shou)管(guan)及(ji)后排支撐圓(yuan)木樁的(de)(de)壩(ba)體的(de)(de)后側搭設5.0米寬的(de)(de)施工(gong)棧橋,作為臨時(shi)通(tong)道,以保證施工(gong)人員的(de)(de)通(tong)行(xing)和止水帆布的(de)(de)順(shun)利(li)運輸、就位。
待(dai)壩體圓木樁(zhuang)(zhuang)全部(bu)(bu)施打完成后(hou),開始在木樁(zhuang)(zhuang)的(de)背水(shui)(shui)面固定橫向(xiang)(xiang)圍(wei)(wei)(wei) ,橫向(xiang)(xiang)圍(wei)(wei)(wei) 共(gong)需(xu)上下兩道,利(li)用(yong)6米長圓木樁(zhuang)(zhuang)作為圍(wei)(wei)(wei) 。首先進行上部(bu)(bu)圍(wei)(wei)(wei) 的(de)施工,利(li)用(yong)鉛絲(si)、跋拘等連接構(gou)件將橫向(xiang)(xiang)圍(wei)(wei)(wei) 與(yu)豎(shu)向(xiang)(xiang)木樁(zhuang)(zhuang)連接;下部(bu)(bu)圍(wei)(wei)(wei) 的(de)加固在排干圍(wei)(wei)(wei)堰后(hou)部(bu)(bu)水(shui)(shui)體的(de)抽水(shui)(shui)過程中同時進行。
2.4 鋪板在(zai)立樁(zhuang)與立樁(zhuang)之間鋪設5cm厚木(mu)板,木(mu)板向下插入土內,與立樁(zhuang)共同(tong)形成擋水墻。鋪板表(biao)面應(ying)平整(zheng),圍堰轉折處(chu)的(de)板材(cai)應(ying)采用圓弧聯接,確(que)保圍堰迎水面的(de)岸線平順(shun)。
2.5 清底(di)應將水下塊石、木樁、廢鐵等雜物集中堆(dui)放,并清運出止(zhi)水帆布鋪設區域,淤泥清除采用水力沖(chong)沉法(fa),利用IS100-315電(dian)動多級離(li)心泵進行沖(chong)掃,淤泥盡可能(neng)沖(chong)凈(jing),使(shi)防滲(shen)膜鋪設范圍內(nei)盡量(liang)露出原狀土面,同時清除土體內(nei)鑲嵌的貝殼、碎石等帶有尖角(jiao)、飛邊的物體,避免損壞防滲(shen)膜。
2.6 沉(chen)排(pai)止(zhi)水(shui)(shui)帆(fan)(fan)(fan)布(bu)①沉(chen)排(pai)準備。沉(chen)排(pai)前,首先應(ying)認真檢查沉(chen)排(pai)區內的(de)(de)雜物(wu)是否已經清除干凈;為了保(bao)護止(zhi)水(shui)(shui)帆(fan)(fan)(fan)布(bu)不被木樁(zhuang)(zhuang)(zhuang)上(shang)的(de)(de)鉛絲劃破,鋪設帆(fan)(fan)(fan)布(bu)前先將一(yi)塊98×4米(mi)的(de)(de)土工(gong)布(bu)鋪設在(zai)木樁(zhuang)(zhuang)(zhuang)前。對于(yu)(yu)加工(gong)好(hao)的(de)(de)止(zhi)水(shui)(shui)帆(fan)(fan)(fan)布(bu)應(ying)按(an)現場鋪設方便(bian)的(de)(de)原則卷疊成捆,并用大(da)紅漆標(biao)上(shang)整(zheng)幅的(de)(de)尺寸和克(ke)重以及展(zhan)開(kai)方向。②沉(chen)排(pai)止(zhi)水(shui)(shui)帆(fan)(fan)(fan)布(bu)。a.將定制好(hao)的(de)(de)止(zhi)水(shui)(shui)帆(fan)(fan)(fan)布(bu)打(da)成98米(mi)長(chang)的(de)(de)卷,人工(gong)搬運到棧橋上(shang),并將帆(fan)(fan)(fan)布(bu)卷平(ping)放在(zai)木樁(zhuang)(zhuang)(zhuang)圍堰(yan)頂部(bu)(bu)。b.將止(zhi)水(shui)(shui)帆(fan)(fan)(fan)布(bu)端部(bu)(bu)鎖眼穿扣(kou)于(yu)(yu)木樁(zhuang)(zhuang)(zhuang)骨架迎水(shui)(shui)面的(de)(de)聯系件上(shang),并將排(pai)體展(zhan)浮(fu)于(yu)(yu)水(shui)(shui)面。c.將止(zhi)水(shui)(shui)帆(fan)(fan)(fan)布(bu)的(de)(de)三面拉(la)平(ping),置于(yu)(yu)防(fang)滲區。d.在(zai)帆(fan)(fan)(fan)布(bu)尾部(bu)(bu)用不透水(shui)(shui)的(de)(de)編(bian)織布(bu)裝建(jian)筑砂(sha)橫壓(ya)兩(liang)道,使帆(fan)(fan)(fan)布(bu)沉(chen)于(yu)(yu)河(he)床(chuang);并在(zai)水(shui)(shui)下使帆(fan)(fan)(fan)布(bu)在(zai)河(he)底平(ping)鋪開(kai)來(lai)。e.兩(liang)岸坡面上(shang)亦用砂(sha)袋鎮壓(ya)止(zhi)水(shui)(shui)帆(fan)(fan)(fan)布(bu)。每(mei)袋裝砂(sha)不小于(yu)(yu)80kg,且袋口用丙綸(lun)線縫合(he)。
2.7 砂(sha)被固(gu)定壓實(shi)帆(fan)布(bu)當(dang)止(zhi)水帆(fan)布(bu)在水下被展(zhan)開、鋪(pu)設完成后,用編織(zhi)袋裝砂(sha)子(zi)作為砂(sha)被,進行水下擺放,首層滿(man)鋪(pu),第二層交錯咬口(kou)壓實(shi),局部壓三層,以(yi)保證止(zhi)水帆(fan)布(bu)緊貼(tie)河床底面(mian),不被水流帶動(dong)。
2.8 搭設兩側草袋(dai)土圍堰圍堰兩側河(he)床較淺處,駁船無法(fa)靠(kao)近施打木(mu)樁,考慮到(dao)岸邊(bian)便于清(qing)理(li)的(de)因素,所以(yi)考慮采用傳統草袋(dai)土圍堰。
樁膜(mo)復合圍堰(yan)堰(yan)體木樁施打完(wan)成(cheng)后,進(jin)(jin)行兩側草(cao)袋粘(zhan)(zhan)土壩(ba)(ba)的施工(gong),粘(zhan)(zhan)土壩(ba)(ba)壩(ba)(ba)頂吃(chi)進(jin)(jin)樁膜(mo)復合圍堰(yan)堰(yan)體1.0米。通過挖掘機、運(yun)輸車(che)將粘(zhan)(zhan)土運(yun)到現(xian)場(chang),利用(yong)挖掘機及(ji)人(ren)工(gong)配(pei)合進(jin)(jin)行搭設粘(zhan)(zhan)土壩(ba)(ba)。為(wei)了減(jian)少粘(zhan)(zhan)土壩(ba)(ba)的工(gong)程(cheng)量(liang),迎(ying)水面、背水面采用(yong)草(cao)袋裝土,按(an)照1:1的坡比進(jin)(jin)行施工(gong)填筑。填筑過程(cheng)中嚴格控制填筑質量(liang)確保草(cao)袋土圍堰(yan)堰(yan)體穩定。
2.9 壩體觀(guan)測(ce)(ce)圍(wei)(wei)(wei)堰(yan)施(shi)工(gong)結(jie)束后(hou)(hou),在圍(wei)(wei)(wei)堰(yan)中心(xin)線上設立了(le)圍(wei)(wei)(wei)堰(yan)位(wei)(wei)移觀(guan)測(ce)(ce)點。利用(yong)全站儀進行(xing)適時觀(guan)測(ce)(ce),特別是(shi)在抽干(gan)堰(yan)后(hou)(hou)河水(shui),產生水(shui)位(wei)(wei)差,形成了(le)樁膜復合圍(wei)(wei)(wei)堰(yan)的(de)初期,對圍(wei)(wei)(wei)堰(yan)進行(xing)不間斷時時監測(ce)(ce);圍(wei)(wei)(wei)堰(yan)形成后(hou)(hou)每天早、中、晚(wan)進行(xing)不少于(yu)三次的(de)監測(ce)(ce),當(dang)出現異常情況時適當(dang)加大觀(guan)測(ce)(ce)密度。
經過一個工(gong)期(qi)的觀測(ce)表明:圍堰骨架整(zheng)體沒(mei)有(you)移(yi)動,支撐樁、支撐桿件沒(mei)有(you)變(bian)形,圍堰骨架頂(ding)(ding)部有(you)輕(qing)微后(hou)(hou)(hou)傾變(bian)位現象。當擋水(shui)水(shui)頭(tou)為(wei)1.5m時,頂(ding)(ding)部后(hou)(hou)(hou)傾變(bian)位2cm;水(shui)頭(tou)為(wei)2.0m時,頂(ding)(ding)部后(hou)(hou)(hou)傾變(bian)位5cm;水(shui)頭(tou)為(wei)3.0m時,頂(ding)(ding)部后(hou)(hou)(hou)傾變(bian)位6cm。壩后(hou)(hou)(hou)沒(mei)有(you)明顯滲漏(lou)水(shui)現象。
2.10 壩(ba)體拆(chai)除(chu)待該河(he)道綜合(he)治理工程全部(bu)完(wan)工后進(jin)行樁膜圍堰的拆(chai)除(chu)工作(zuo)。先拆(chai)除(chu)左、右兩(liang)(liang)岸(an)草(cao)袋土(tu)復合(he)圍堰,利(li)用挖(wa)掘機從河(he)道內向岸(an)邊挖(wa)土(tu),運(yun)(yun)行車運(yun)(yun)輸拆(chai)除(chu)棄土(tu),將(jiang)壩(ba)體土(tu)方(fang)全部(bu)拆(chai)除(chu)干凈。當圍堰兩(liang)(liang)側(ce)水(shui)位基本持平,水(shui)流平緩后,進(jin)行水(shui)下(xia)操作(zuo),拆(chai)除(chu)水(shui)下(xia)橫(heng)向圍擦及(ji)支(zhi)撐,并清除(chu)壓重砂袋。最后,利(li)用駁船(chuan)載打樁機利(li)用卷揚機拔除(chu)木樁,使河(he)道滿足航運(yun)(yun)要求。
3結語
實踐證明,樁膜復合圍堰的(de)(de)(de)骨架設計基本上是成功的(de)(de)(de),骨架整體沒有移動(dong),支(zhi)撐(cheng)桿件(jian)沒有變形,止水帆布擋(dang)水、防(fang)滲效果明顯,在水頭不(bu)太大的(de)(de)(de)平(ping)原河網(wang)區,用這種結構新穎的(de)(de)(de)樁膜復合圍堰替代傳統的(de)(de)(de)施(shi)工土石圍堰,技術(shu)上是可行的(de)(de)(de),經濟(ji)上是合理(li)的(de)(de)(de)。
與土(tu)石圍(wei)堰(yan)相(xiang)比,樁膜施(shi)(shi)工圍(wei)堰(yan)具有不(bu)(bu)污(wu)染環境(jing)、施(shi)(shi)工時間短、施(shi)(shi)工與拆除(chu)簡便、不(bu)(bu)需要大量勞力、不(bu)(bu)挖廢農田、不(bu)(bu)必(bi)水下挖土(tu)、大部分材料可重復(fu)使用、投資(zi)省等特點,尤(you)其是在取土(tu)困難和(he)通航(hang)河道(dao)上(shang),其經濟效益、社會(hui)效益更為顯著。
樁(zhuang)膜(mo)復(fu)合圍堰可廣(guang)(guang)泛應用(yong)于(yu)城(cheng)鄉(xiang)河(he)道清淤,水(shui)網(wang)建閘、港口建設、修橋(qiao)墩的施(shi)工,亦可用(yong)作內(nei)水(shui)港碼頭(tou)、水(shui)利(li)基建和維修的低水(shui)頭(tou)施(shi)工圍堰,還(huan)可用(yong)作山丘區(qu)(qu)間山溝以蓄水(shui)溜溉及排洪,以及坪區(qu)(qu)低水(shui)頭(tou)堵口。因此,樁(zhuang)膜(mo)復(fu)合圍堰的推廣(guang)(guang)應用(yong)具有廣(guang)(guang)闊前(qian)景和實用(yong)價(jia)值。
參考文獻:
[1]劉穎,劉捷(jie).水中圍護結構的設(she)計和施(shi)工(gong)(gong)[J].天津市政工(gong)(gong)程,2003,4.
篇10
關鍵(jian)詞(ci):河(he)道治理(li) 施(shi)工(gong)監管經驗
中圖分類(lei)號(hao):TV147 文獻標識碼:A 文章(zhang)編號(hao):
一、工程概況
昕水(shui)河(he)(he)是(shi)大寧縣的母親(qin)河(he)(he),流域總(zong)面積4321平(ping)方(fang)公里,流經蒲縣、隰縣、大寧,于(yu)大寧縣徐(xu)家垛(duo)鄉古(gu)鎮村匯(hui)入黃(huang)河(he)(he),是(shi)黃(huang)河(he)(he)一級支流,多(duo)年(nian)平(ping)均流量(liang)為4.13立(li)方(fang)米/秒,歷史(shi)最大洪(hong)峰(feng)為1969年(nian)2880立(li)方(fang)米/秒。多(duo)年(nian)來,由于(yu)投入不足,河(he)(he)道(dao)堤防(fang)年(nian)久(jiu)失(shi)修,城(cheng)市防(fang)洪(hong)標準不足二十(shi)年(nian)一遇,加上(shang)城(cheng)市生活(huo)(huo)和建筑垃(la)圾直接向河(he)(he)道(dao)內傾(qing)倒,致(zhi)使河(he)(he)道(dao)變(bian)窄,夏天(tian)更是(shi)蚊蟲滋(zi)生,臭氣(qi)熏(xun)天(tian),嚴(yan)重影(ying)響防(fang)洪(hong)安全和沿河(he)(he)居民正常生活(huo)(huo)。因此,治理河(he)(he)道(dao)提高防(fang)洪(hong)標準,確保(bao)人民生命財產(chan)安全;疏浚河(he)(he)道(dao)清理河(he)(he)道(dao)垃(la)圾,改善群眾生活(huo)(huo)環境(jing);美化亮(liang)化完善城(cheng)市功能,提高城(cheng)市品(pin)位。一直以來是(shi)全縣人民熱切期盼的一件大事(shi)。
2008年國家作出對(dui)中小河(he)(he)流進行治理(li)的決(jue)定,像一縷和煦的春(chun)風吹(chui)到(dao)了翠(cui)微(wei)大地。昕水(shui)(shui)河(he)(he)河(he)(he)道治理(li)工(gong)程于2008年經國家發改委批準(zhun)立項,2009年批復初步設計,2010年下(xia)達投(tou)資(zi)計劃,工(gong)程總投(tou)資(zi)2958萬(wan)元(yuan),其中:中央投(tou)資(zi)1775萬(wan)元(yuan),省配套資(zi)金709.92萬(wan)元(yuan),市配套473.28萬(wan)元(yuan)。2010年9月(yue)(yue)在省水(shui)(shui)利廳主(zhu)持下(xia)進行了招投(tou)標,于2010年10月(yue)(yue)12日(ri)正式開工(gong)。
二、工程建設情況
在省市上級水利部門的(de)大力支持下,在縣(xian)委、縣(xian)政府的(de)高度(du)重視下,在縣(xian)河(he)道治(zhi)理工程領(ling)導組的(de)直接領(ling)導下,大寧縣(xian)河(he)道工程建設項目部全(quan)(quan)體工程技術人(ren)員精(jing)心施工、科學(xue)管理、嚴格程序、確(que)保安全(quan)(quan),工程于6月27日全(quan)(quan)面竣工。共(gong)完成河(he)道治(zhi)理長度(du)8082.7米,完成土石方(fang)(fang)(fang)95.43萬方(fang)(fang)(fang),其中土方(fang)(fang)(fang)86.73萬方(fang)(fang)(fang),石方(fang)(fang)(fang)8.708萬方(fang)(fang)(fang);砌筑堤防(fang)5160.09米,舊堤改(gai)造2481.1米,河(he)槽(cao)整治(zhi)6474米。
為(wei)配(pei)合(he)昕(xin)水(shui)河昕(xin)水(shui)鎮段河道治(zhi)(zhi)理工(gong)程建(jian)設,縣(xian)政(zheng)府在(zai)財政(zheng)十分困難(nan)的情況下拿出828萬(wan)元,用于昕(xin)水(shui)河昕(xin)義橋段河道治(zhi)(zhi)理。共完成河道治(zhi)(zhi)理1720米(mi),新(xin)建(jian)堤防149.4米(mi),河道拓寬252米(mi),河道疏浚550米(mi),新(xin)建(jian)鋼結構人字閘6座(zuo),目前(qian)主體(ti)工(gong)程已全部完工(gong)。經(jing)河道治(zhi)(zhi)理項目部、縣(xian)水(shui)利局自驗(yan)后(hou),8月(yue)2日(ri)縣(xian)河道治(zhi)(zhi)理工(gong)程領導小組對工(gong)程進行了全面驗(yan)收(shou),并認定為(wei)合(he)格工(gong)程。
三、主要做法
概括為四句話(hua):程序不做夾生(sheng)飯(fan),質量(liang)當作生(sheng)命線,監管(guan)嚴格資(zi)料全(quan),安(an)全(quan)責任重泰山。
(一)嚴格程序,規(gui)范運行(xing),確(que)保程序無(wu)違規(gui)。
一(yi)是(shi)按(an)照水(shui)(shui)(shui)(shui)利(li)(li)部(bu)頒(ban)布的《水(shui)(shui)(shui)(shui)利(li)(li)工(gong)(gong)(gong)程(cheng)建設(she)程(cheng)序管理(li)(li)(li)(li)暫(zan)行(xing)(xing)規定(ding)》,由大(da)(da)寧(ning)(ning)縣(xian)(xian)水(shui)(shui)(shui)(shui)利(li)(li)局(ju)委(wei)(wei)托臨汾市水(shui)(shui)(shui)(shui)利(li)(li)設(she)計院(yuan)(水(shui)(shui)(shui)(shui)利(li)(li)工(gong)(gong)(gong)程(cheng)乙級設(she)計單位(wei))編制完成了《大(da)(da)寧(ning)(ning)縣(xian)(xian)昕水(shui)(shui)(shui)(shui)河昕水(shui)(shui)(shui)(shui)鎮段(duan)河道(dao)治(zhi)理(li)(li)(li)(li)工(gong)(gong)(gong)程(cheng)可行(xing)(xing)性研究(jiu)報(bao)告》,經(jing)省(sheng)水(shui)(shui)(shui)(shui)利(li)(li)廳(ting)批準后(hou),委(wei)(wei)托臨汾市水(shui)(shui)(shui)(shui)利(li)(li)設(she)計院(yuan)編制完成了《大(da)(da)寧(ning)(ning)縣(xian)(xian)昕水(shui)(shui)(shui)(shui)河昕水(shui)(shui)(shui)(shui)鎮段(duan)河道(dao)治(zhi)理(li)(li)(li)(li)工(gong)(gong)(gong)程(cheng)初(chu)步設(she)計》,并報(bao)請省(sheng)水(shui)(shui)(shui)(shui)利(li)(li)廳(ting)批復。二是(shi)選派(pai)了管理(li)(li)(li)(li)能力強,具有豐(feng)富工(gong)(gong)(gong)程(cheng)建設(she)實(shi)(shi)踐經(jing)驗的行(xing)(xing)政管理(li)(li)(li)(li)和(he)技術管理(li)(li)(li)(li)人(ren)(ren)員,報(bao)請縣(xian)(xian)政府組(zu)(zu)建了“大(da)(da)寧(ning)(ning)縣(xian)(xian)昕水(shui)(shui)(shui)(shui)河昕水(shui)(shui)(shui)(shui)鎮段(duan)河道(dao)治(zhi)理(li)(li)(li)(li)工(gong)(gong)(gong)程(cheng)建設(she)項目部(bu)”,確(que)定(ding)了項目法人(ren)(ren),實(shi)(shi)行(xing)(xing)了項目法人(ren)(ren)負(fu)責(ze)制。縣(xian)(xian)政府高度重視昕水(shui)(shui)(shui)(shui)河河道(dao)治(zhi)理(li)(li)(li)(li)工(gong)(gong)(gong)作,專門(men)成立了分管副(fu)(fu)縣(xian)(xian)長為組(zu)(zu)長,縣(xian)(xian)政府辦公室主(zhu)任(ren)、縣(xian)(xian)紀委(wei)(wei)副(fu)(fu)書記(ji)、監(jian)察局(ju)局(ju)長、縣(xian)(xian)水(shui)(shui)(shui)(shui)利(li)(li)局(ju)局(ju)長為副(fu)(fu)組(zu)(zu)長,發信(xin)、審計、財(cai)政、國土、住建、昕水(shui)(shui)(shui)(shui)鎮等部(bu)門(men)主(zhu)要(yao)負(fu)責(ze)同(tong)志為成員的“大(da)(da)寧(ning)(ning)縣(xian)(xian)昕水(shui)(shui)(shui)(shui)河昕水(shui)(shui)(shui)(shui)鎮段(duan)河道(dao)治(zhi)理(li)(li)(li)(li)領導組(zu)(zu)”。三是(shi)由工(gong)(gong)(gong)程(cheng)項目部(bu)委(wei)(wei)托招標(biao)(biao)單位(wei)通過在(zai)網(wang)上招標(biao)(biao)信(xin)息、投標(biao)(biao)單位(wei)資格(ge)(ge)審查、公開招投標(biao)(biao)等程(cheng)序,確(que)定(ding)了中(zhong)標(biao)(biao)施工(gong)(gong)(gong)單位(wei)和(he)中(zhong)標(biao)(biao)監(jian)理(li)(li)(li)(li)單位(wei),在(zai)網(wang)上進行(xing)(xing)了公示。并由工(gong)(gong)(gong)程(cheng)項目部(bu)與(yu)中(zhong)標(biao)(biao)單位(wei)簽訂了施工(gong)(gong)(gong)合(he)同(tong)和(he)監(jian)理(li)(li)(li)(li)合(he)同(tong),實(shi)(shi)行(xing)(xing)合(he)同(tong)制管理(li)(li)(li)(li)。四是(shi)工(gong)(gong)(gong)程(cheng)嚴格(ge)(ge)按(an)照設(she)計進行(xing)(xing)施工(gong)(gong)(gong),確(que)需變更的,全部(bu)報(bao)請市水(shui)(shui)(shui)(shui)利(li)(li)局(ju)和(he)省(sheng)水(shui)(shui)(shui)(shui)利(li)(li)廳(ting)批準。
(二(er))加強監督,健全制度,確保(bao)質量創(chuang)一流。
大寧縣(xian)按照(zhao)“政府監督(du)(du)、項(xiang)目法(fa)(fa)人(ren)負(fu)責、社(she)會監理(li)、企業(ye)保證(zheng)”的要求,建立健全(quan)(quan)(quan)(quan)了質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)管理(li)體系,項(xiang)目部制(zhi)定了《項(xiang)目工(gong)程(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)管理(li)制(zhi)度》、《堤防工(gong)程(cheng)(cheng)管理(li)辦(ban)(ban)法(fa)(fa)》等管理(li)辦(ban)(ban)法(fa)(fa)。在嚴格落實工(gong)程(cheng)(cheng)監理(li)制(zhi)的同時,項(xiang)目部向三個標(biao)段(duan)的五個施(shi)工(gong)現(xian)場派駐了技術(shu)人(ren)員(yuan),每天跟(gen)班作業(ye),填報施(shi)工(gong)日志(zhi),全(quan)(quan)(quan)(quan)程(cheng)(cheng)跟(gen)蹤(zong)進行(xing)技術(shu)指(zhi)導和質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)監督(du)(du)。縣(xian)水利(li)局還聘(pin)請了工(gong)程(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)安(an)(an)全(quan)(quan)(quan)(quan)監督(du)(du)員(yuan),制(zhi)定了《工(gong)程(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)安(an)(an)全(quan)(quan)(quan)(quan)監督(du)(du)員(yuan)管理(li)辦(ban)(ban)法(fa)(fa)》,工(gong)程(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)安(an)(an)全(quan)(quan)(quan)(quan)監督(du)(du)員(yuan)持證(zheng)上崗(gang),全(quan)(quan)(quan)(quan)程(cheng)(cheng)監督(du)(du)。并出臺了《昕水河(he)河(he)道治理(li)工(gong)程(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)安(an)(an)全(quan)(quan)(quan)(quan)綜合考(kao)核辦(ban)(ban)法(fa)(fa)》,對施(shi)工(gong)單位每半個月進行(xing)一次質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)安(an)(an)全(quan)(quan)(quan)(quan)綜合考(kao)核,通過獎(jiang)優罰劣(lie),促進施(shi)工(gong)單位重質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)、保安(an)(an)全(quan)(quan)(quan)(quan)的積(ji)極性(xing),確(que)保了工(gong)程(cheng)(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)。
(三)落實責任,完善資料,確保監(jian)管全(quan)覆蓋。
工程項(xiang)目部制(zhi)定了《財(cai)務(wu)管理制(zhi)度(du)》、《合同和(he)檔(dang)案管理制(zhi)度(du)》,從(cong)項(xiang)目申報到立項(xiang),從(cong)招(zhao)標到實施,每個環節都作到了資料歸檔(dang),專人(ren)管理。
項目部(bu)堅持(chi)嚴格(ge)的材料供(gong)(gong)應(ying)標(biao)準(zhun),要(yao)求進場(chang)必(bi)須提供(gong)(gong)合格(ge)的檢驗報告。諸如此類的監管手段(duan)和檔(dang)案資(zi)料管理分布于工(gong)(gong)程(cheng)建設的每一個環節,比如在(zai)隱蔽(bi)工(gong)(gong)程(cheng)作業(ye)中,對于清(qing)基和基礎砌(qi)筑等(deng)隱蔽(bi)工(gong)(gong)程(cheng),要(yao)求施工(gong)(gong)單位在(zai)施工(gong)(gong)前向項目部(bu)提出申請,由項目部(bu)技術人(ren)員(yuan)(yuan)現場(chang)測(ce)量,基礎開挖完成(cheng)后(hou),由項目部(bu)技術人(ren)員(yuan)(yuan)照(zhao)像存(cun)檔(dang)。
工(gong)程資料(liao)健全為工(gong)程竣工(gong)驗收和后續(xu)審計等工(gong)作(zuo)提(ti)供了第一手資料(liao),確保了工(gong)程在陽(yang)光下建設(she),在陽(yang)光下運行,經得起歷史考驗。
(四)狠抓安全(quan),一(yi)票否決,確保安全(quan)保和諧。
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