建筑工程中問題解析以及研究

時間:2022-10-26 02:24:00

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建筑工程中問題解析以及研究

一、工程(cheng)質(zhi)量問題措(cuo)施

出現施工(gong)質(zhi)量(liang)問題的原因(yin)影(ying)響施工(gong)項目質(zhi)量(liang)的因(yin)素很多,諸如建筑結構(gou)的錯位、傾斜(xie)、倒塌、破壞、開裂、滲水、漏水、剛度差、強(qiang)度不足(zu)、斷面尺寸不精確等,但究其原因(yin),可以歸納如下:

(1)違背建(jian)筑(zhu)程(cheng)(cheng)序(xu)如不(bu)經可行(xing)性論證,不(bu)作調查(cha)分析(xi)就拍板(ban)定案;沒有(you)搞清工程(cheng)(cheng)地質、水文地質就倉促開工;無(wu)證設(she)計;無(wu)圖施工;任意修改設(she)計,不(bu)按圖施工;工程(cheng)(cheng)竣工不(bu)進(jin)行(xing)試車運(yun)轉,不(bu)經驗收就交付使用(yong)等若(ruo)干(gan)現(xian)象,致(zhi)使不(bu)少(shao)工程(cheng)(cheng)項目留有(you)嚴重隱患,房屋倒塌事故也(ye)時有(you)發生。

(2)工程(cheng)地(di)(di)質(zhi)(zhi)勘察(cha)原因未(wei)認真進行地(di)(di)質(zhi)(zhi)勘察(cha),提供的(de)地(di)(di)質(zhi)(zhi)資料,數據(ju)有(you)誤。論文百事通(tong)地(di)(di)質(zhi)(zhi)勘察(cha)時,鉆(zhan)孔(kong)(kong)間距太大,不能(neng)全(quan)面反(fan)映(ying)地(di)(di)基的(de)實際(ji)情(qing)況,如當基巖面起(qi)伏變化(hua)較大時,軟(ruan)土(tu)層厚(hou)薄相差亦甚大;地(di)(di)質(zhi)(zhi)勘察(cha)鉆(zhan)孔(kong)(kong)深度不夠,沒有(you)查地(di)(di)下軟(ruan)土(tu)層、滑坡、墓穴(xue)、孔(kong)(kong)洞等(deng)地(di)(di)層構(gou)造(zao);地(di)(di)質(zhi)(zhi)勘察(cha)報(bao)告不詳細、不準確等(deng),均(jun)會導致采用錯誤的(de)基礎(chu)方案,造(zao)成地(di)(di)基不均(jun)勻沉降、失穩,使上部(bu)結構(gou)及墻體開裂、破壞(huai)、倒塌。

(3)未加固處(chu)理(li)好地(di)(di)(di)基(ji)對軟弱土(tu)、沖填土(tu)、雜填土(tu)、濕陷(xian)性黃土(tu)、膨脹土(tu)、巖(yan)層出露、溶巖(yan)、土(tu)洞(dong)等不均勻(yun)地(di)(di)(di)基(ji)未進行加固處(chu)理(li)或(huo)處(chu)理(li)不當,均是導致重大質量(liang)問題的(de)原因。必須(xu)根據不同地(di)(di)(di)基(ji)的(de)工(gong)(gong)程特點,按照地(di)(di)(di)基(ji)處(chu)理(li)應與上部結(jie)(jie)構相結(jie)(jie)合,使其(qi)共(gong)同工(gong)(gong)作的(de)原則(ze),從(cong)地(di)(di)(di)基(ji)處(chu)理(li)、設計(ji)措(cuo)施(shi)、結(jie)(jie)構措(cuo)施(shi)、防水措(cuo)施(shi)、施(shi)工(gong)(gong)措(cuo)施(shi)方(fang)面綜合考慮治理(li)。

(4)設(she)(she)計(ji)計(ji)算問題設(she)(she)計(ji)考慮不(bu)(bu)周,結構(gou)構(gou)造不(bu)(bu)合理,計(ji)算簡圖不(bu)(bu)正確,計(ji)算荷取值過(guo)小,內力(li)分析有誤,沉降縫及伸縮(suo)縫設(she)(she)置不(bu)(bu)當(dang),懸挑結構(gou)未進(jin)行抗傾覆驗等,都是誘(you)發質量問題的(de)隱患。如某(mou)擋(dang)土墻(qiang)工(gong)(gong)程由(you)(you)于設(she)(she)計(ji)時(shi)未了(le)解(jie)清楚工(gong)(gong)程地(di)質情(qing)況(kuang),施工(gong)(gong)時(shi)又(you)未對(dui)現場(chang)情(qing)況(kuang)進(jin)行核實,加上(shang)施工(gong)(gong)隊(dui)伍(wu)在基礎(chu)開(kai)(kai)挖(wa)時(shi)未能(neng)及時(shi)將現場(chang)地(di)質情(qing)況(kuang)反(fan)饋給設(she)(she)計(ji)人(ren)員,因(yin)此(ci),盡管(guan)上(shang)部結構(gou)設(she)(she)計(ji)、施工(gong)(gong)質量良(liang)好,但因(yin)基礎(chu)設(she)(she)計(ji)不(bu)(bu)合理,以至于使用荷載(zai)尚(shang)未達(da)到設(she)(she)計(ji)值的(de)一半,擋(dang)土墻(qiang)就出現了(le)滑移和(he)倒塌。又(you)如某(mou)圓筒(tong)倉開(kai)(kai)裂事(shi)故(gu),也是由(you)(you)于設(she)(she)計(ji)人(ren)員疏(shu)忽,在試投產(chan)時(shi)就筒(tong)壁開(kai)(kai)裂,致使建筑物(wu)建成后不(bu)(bu)能(neng)滿(man)足(zu)基本的(de)使用要求。

二、工程(cheng)項目管理措施

1.必(bi)須建立和完(wan)善工(gong)程管(guan)理責任體(ti)系(xi)

明確(que)重(zhong)點,落實(shi)責任(ren)建立和(he)完善工(gong)(gong)(gong)(gong)程(cheng)管理(li)責任(ren)體系(xi),關系(xi)工(gong)(gong)(gong)(gong)程(cheng)管理(li)是否順暢、責任(ren)是否明確(que)、運(yun)作是否有效的(de)(de)(de)問題,是加(jia)強(qiang)工(gong)(gong)(gong)(gong)程(cheng)管理(li)必須首先解決的(de)(de)(de)問題。受薪資質標準的(de)(de)(de)限制,像中鐵(tie)十七局這樣的(de)(de)(de)大型建筑施工(gong)(gong)(gong)(gong)企(qi)業,在今后相當一個時期,得(de)把生(sheng)存發展的(de)(de)(de)領(ling)域定位(wei)于(yu)鐵(tie)路、公(gong)路、市(shi)政(zheng)等工(gong)(gong)(gong)(gong)程(cheng)建筑市(shi)場(chang),這要求企(qi)業必須把企(qi)業做強(qiang),把工(gong)(gong)(gong)(gong)程(cheng)干好,提(ti)高核(he)心競爭力。企(qi)業改制后,集團公(gong)司和(he)子(zi)公(gong)司同為市(shi)場(chang)主體。以資產為紐帶(dai),不再是行政(zheng)隸屬關系(xi),通過(guo)建立和(he)完善工(gong)(gong)(gong)(gong)程(cheng)管理(li)責任(ren)體系(xi),把工(gong)(gong)(gong)(gong)程(cheng)管理(li)的(de)(de)(de)各個環(huan)節(jie)有效形(xing)成一個整體,協調(diao)運(yun)作,更顯重(zhong)要。

2.要建立(li)和完善工程處(子(zi)公司)為主體(ti)的施(shi)工管理體(ti)制

這種體制要求工(gong)(gong)(gong)程處(chu)亦(yi)即(ji)子公(gong)(gong)司(si)(si)(si)必(bi)須對(dui)施工(gong)(gong)(gong)方案(an)的(de)(de)制定(ding)、生(sheng)產要素的(de)(de)配置、重(zhong)難(nan)(nan)點(dian)工(gong)(gong)(gong)程的(de)(de)監(jian)控負責。所屬(shu)工(gong)(gong)(gong)程項目部(bu)主(zhu)要負責施工(gong)(gong)(gong)方案(an)的(de)(de)落實,設計變更(geng)、現(xian)場日常管理(li)和(he)通(tong)通(tong)內外關系(xi);集(ji)團公(gong)(gong)司(si)(si)(si)指(zhi)揮(hui)部(bu)主(zhu)要抓組織(zhi)協調、重(zhong)難(nan)(nan)點(dian)工(gong)(gong)(gong)程的(de)(de)突(tu)破和(he)監(jian)控保障,營造外部(bu)環境,注意處(chu)理(li)好與業主(zhu)、監(jian)理(li)、設計單位和(he)當地(di)政府的(de)(de)關系(xi);集(ji)團公(gong)(gong)司(si)(si)(si)主(zhu)要抓政策(ce)措(cuo)施的(de)(de)制定(ding)、高難(nan)(nan)技術的(de)(de)咨詢服務(wu)、重(zhong)點(dian)難(nan)(nan)點(dian)工(gong)(gong)(gong)程的(de)(de)監(jian)督檢查。工(gong)(gong)(gong)程管理(li)部(bu)門特別是調度,要隨(sui)時(shi)了解掌握現(xian)場情況,通(tong)暢信(xin)息反饋處(chu)理(li)渠道,解決現(xian)場不能解決的(de)(de)問題。

3.要選好配強項目班子

培養一支高素質的現(xian)場經營管(guan)理者隊伍十分(fen)重要。具(ju)體(ti)到現(xian)場或工程項目部,首要的是(shi)選好(hao)配(pei)強項目班(ban)子(zi),這樣,項目運作(zuo)才有(you)可(ke)靠的組織保證。項目長(chang)、黨工委書記、總工這3個人(ren)必(bi)須選好(hao)配(pei)偶。項目長(chang)必(bi)須要有(you)責(ze)任心,最好(hao)要有(you)類似工程管(guan)理經驗,有(you)強烈(lie)的質量(liang)意(yi)識、效益意(yi)識、自律意(yi)識。私心重的人(ren)、能力差的人(ren)、沒有(you)責(ze)任心的人(ren),不能當項目長(chang)。論文(wen)百(bai)事通

三(san)、工程施工管理(li)措施

1.要有效進(jin)行(xing)預先控制

在(zai)施(shi)(shi)工(gong)(gong)展開之前(qian),都(dou)(dou)要(yao)把(ba)前(qian)期(qi)的準(zhun)(zhun)備工(gong)(gong)作(zuo)(zuo),包(bao)括組(zu)織準(zhun)(zhun)備、技術準(zhun)(zhun)備、施(shi)(shi)工(gong)(gong)工(gong)(gong)藝、質(zhi)量(liang)標準(zhun)(zhun)、安(an)全措施(shi)(shi)、現(xian)(xian)場(chang)準(zhun)(zhun)備等問(wen)(wen)題理(li)出來,組(zu)織專(zhuan)業人員(yuan)對現(xian)(xian)場(chang)進行勘查,反(fan)復優化,編(bian)制詳盡的實施(shi)(shi)性施(shi)(shi)工(gong)(gong)組(zu)織設(she)計,并(bing)根(gen)據施(shi)(shi)組(zu)要(yao)求配(pei)(pei)齊生產要(yao)素。只要(yao)方案搞好(hao)了,要(yao)素配(pei)(pei)齊了,項目(mu)(mu)就能(neng)搞好(hao)。搞不(bu)(bu)(bu)好(hao),要(yao)不(bu)(bu)(bu)就是項目(mu)(mu)長能(neng)力差,要(yao)不(bu)(bu)(bu)就是沒(mei)有(you)責任(ren)心。現(xian)(xian)在(zai)比較普遍(bian)的問(wen)(wen)題就是編(bian)歸(gui)編(bian);合理(li)不(bu)(bu)(bu)合理(li)都(dou)(dou)報業主審查,子公司(si)(si)(工(gong)(gong)程處)不(bu)(bu)(bu)大過(guo)問(wen)(wen);再就是歸(gui)干(gan)(gan),編(bian)干(gan)(gan)脫節,沒(mei)有(you)發(fa)揮預(yu)先控制的作(zuo)(zuo)用,以(yi)致(zhi)進度落(luo)后(hou)施(shi)(shi)組(zu)工(gong)(gong)期(qi)要(yao)求,生產要(yao)素配(pei)(pei)置不(bu)(bu)(bu)能(neng)滿(man)足(zu)施(shi)(shi)工(gong)(gong)要(yao)求。投標時、要(yao)任(ren)務時,什么都(dou)(dou)有(you);開工(gong)(gong)后(hou),要(yao)什么沒(mei)什么,特別是集團(tuan)公司(si)(si)所管(guan)項目(mu)(mu),有(you)集團(tuan)公司(si)(si)這一層(ceng)撐(cheng)著,你急(ji)他不(bu)(bu)(bu)急(ji)。最后(hou)是趕工(gong)(gong)期(qi),搞突擊,打亂仗,現(xian)(xian)場(chang)告(gao)急(ji),業主投訴,投訴沒(mei)有(you)效益,名利雙失(shi)。

2.要搞好(hao)責(ze)任(ren)成(cheng)本控制

加強成(cheng)本(ben)控制(zhi)(zhi)是項(xiang)目管(guan)(guan)(guan)理的橫心內容(rong)之一,經濟效益好(hao)不(bu)好(hao),與(yu)成(cheng)本(ben)控制(zhi)(zhi)如(ru)何有(you)直接關系。因此,每上一個項(xiang)目,都要編制(zhi)(zhi)責任成(cheng)本(ben)預算(suan),并有(you)相應(ying)的配套措(cuo)施(shi)確(que)保(bao)實施(shi)。落(luo)實這(zhe)項(xiang)工(gong)作關鍵在于:預算(suan)要準確(que);責任成(cheng)本(ben)指標要量化到崗位、個人(ren)和(he)單機(ji)單車;項(xiang)目部人(ren)員的工(gong)資獎金與(yu)成(cheng)本(ben)執行(xing)情況掛鉤;有(you)一個負責任的監管(guan)(guan)(guan)有(you)力的分管(guan)(guan)(guan)機(ji)構。集團(tuan)公司(si)有(you)關職能(neng)部門,要加強對項(xiang)目成(cheng)本(ben)審(shen)計。防(fang)止(zhi)發生虛(xu)收實支(zhi),虛(xu)盈實虧(kui),該列不(bu)列、該攤(tan)不(bu)攤(tan)成(cheng)本(ben)的問題。

四、結束語

建筑工程的質量管理(li)是(shi)一個非常重要的環(huan)節,只有認真負(fu)責(ze)地做好各個環(huan)節的工作,才能真正搞好建筑(zhu)工程的質量管理(li)。