地質勘察范文10篇

時間(jian):2024-01-21 01:44:38

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地質勘察

地質勘察水文地質測試綜述

在(zai)具(ju)體(ti)的(de)(de)(de)工(gong)(gong)程(cheng)(cheng)地(di)質(zhi)(zhi)勘察中(zhong).因為(wei)水(shui)(shui)文(wen)參數在(zai)勘測(ce)成果內是(shi)很少(shao)直接利用的(de)(de)(de),這就造成了對于水(shui)(shui)文(wen)地(di)質(zhi)(zhi)問題的(de)(de)(de)不重視然而(er),水(shui)(shui)文(wen)地(di)質(zhi)(zhi)和工(gong)(gong)程(cheng)(cheng)地(di)質(zhi)(zhi)是(shi)相互影響的(de)(de)(de).二者(zhe)有(you)著十(shi)分密切的(de)(de)(de)關(guan)系(xi)。巖土體(ti)的(de)(de)(de)一(yi)個非常重要的(de)(de)(de)組成部分就是(shi)地(di)下水(shui)(shui).地(di)下水(shui)(shui)關(guan)系(xi)到工(gong)(gong)程(cheng)(cheng)特性,并(bing)且,它對于建筑的(de)(de)(de)穩定性和耐久性能夠起到直接的(de)(de)(de)影響。所以,研究工(gong)(gong)程(cheng)(cheng)地(di)質(zhi)(zhi)勘察中(zhong)水(shui)(shui)文(wen)地(di)質(zhi)(zhi)測(ce)試具(ju)有(you)十(shi)分重要的(de)(de)(de)意(yi)義。本文(wen)探(tan)討(tao)了工(gong)(gong)程(cheng)(cheng)地(di)質(zhi)(zhi)勘察中(zhong)水(shui)(shui)文(wen)地(di)質(zhi)(zhi)測(ce)試。

1水文地質(zhi)勘察的幾(ji)個方面

水文地(di)質勘(kan)察的(de)(de)(de)幾個方面(mian)主要(yao)包括含(han)水層和隔水層的(de)(de)(de)情況、地(di)質環(huan)境(jing)、地(di)下水位的(de)(de)(de)情況、自(zi)然地(di)理條件等等.下面(mian)分別進行闡(chan)述

1.1含水層(ceng)和(he)隔(ge)水層(ceng)的情況

含(han)(han)水(shui)層(ceng)(ceng)(ceng)和(he)隔水(shui)層(ceng)(ceng)(ceng)的情(qing)況為:含(han)(han)水(shui)層(ceng)(ceng)(ceng)厚度(du)及其(qi)埋深:含(han)(han)水(shui)層(ceng)(ceng)(ceng)和(he)隔水(shui)層(ceng)(ceng)(ceng)的埋藏(zang)條件、水(shui)位、地(di)下(xia)水(shui)類型、流向(xiang)等等:主要含(han)(han)水(shui)層(ceng)(ceng)(ceng)的分(fen)布情(qing)況。地(di)層(ceng)(ceng)(ceng)滲透系數等水(shui)文地(di)質參數必(bi)須通過現場(chang)試驗來測(ce)定(ding)

1.2地質環境

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地質工程勘察作用探討

【摘要】在(zai)工(gong)(gong)(gong)程(cheng)項目設計(ji)以(yi)及(ji)施(shi)(shi)工(gong)(gong)(gong)過(guo)程(cheng)中,需要全(quan)面充分的(de)了解工(gong)(gong)(gong)程(cheng)施(shi)(shi)工(gong)(gong)(gong)區(qu)域的(de)地質狀(zhuang)況,這樣(yang)在(zai)進行工(gong)(gong)(gong)程(cheng)的(de)設計(ji)以(yi)及(ji)施(shi)(shi)工(gong)(gong)(gong)時才能夠(gou)根據工(gong)(gong)(gong)程(cheng)的(de)實際(ji)情(qing)(qing)況進行針對性的(de)設計(ji)施(shi)(shi)工(gong)(gong)(gong)。在(zai)施(shi)(shi)工(gong)(gong)(gong)設計(ji)過(guo)程(cheng)中,工(gong)(gong)(gong)程(cheng)地質勘察通過(guo)物探、化(hua)探以(yi)及(ji)鉆探等勘察技術,能夠(gou)對工(gong)(gong)(gong)程(cheng)項目所在(zai)區(qu)域的(de)水文、地質情(qing)(qing)況進行有效的(de)了解,為(wei)工(gong)(gong)(gong)程(cheng)的(de)設計(ji)以(yi)及(ji)施(shi)(shi)工(gong)(gong)(gong)提供準確(que)可靠(kao)的(de)資料(liao),確(que)保(bao)了工(gong)(gong)(gong)程(cheng)項目的(de)順利進行。

【關鍵詞(ci)】地質工(gong)程勘(kan)察(cha);工(gong)程設計施工(gong);作用;探討(tao)

1地質工(gong)程勘察在工(gong)程設計與施工(gong)中的作用

1.1工(gong)程設計(ji)與施工(gong)中的選址(zhi)勘察(cha)

在工(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)之前,首先要(yao)進行工(gong)(gong)程(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)選(xuan)址,對(dui)于一(yi)個工(gong)(gong)程(cheng)(cheng)而言,選(xuan)址是(shi)非(fei)常(chang)的(de)(de)(de)(de)(de)(de)(de)(de)一(yi)項重要(yao)內(nei)容(rong),其直接影(ying)響(xiang)著工(gong)(gong)程(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)后(hou)期施(shi)(shi)工(gong)(gong),因此往往需要(yao)進行選(xuan)址勘察(cha)(cha)。在進行地(di)質(zhi)工(gong)(gong)程(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)選(xuan)址勘察(cha)(cha)時主(zhu)要(yao)是(shi)針(zhen)對(dui)工(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)區(qu)(qu)(qu)域(yu)(yu)的(de)(de)(de)(de)(de)(de)(de)(de)地(di)質(zhi)條件進行全(quan)面(mian)的(de)(de)(de)(de)(de)(de)(de)(de)審(shen)查(cha),判(pan)斷(duan)其是(shi)否(fou)具備(bei)相應的(de)(de)(de)(de)(de)(de)(de)(de)地(di)質(zhi)條件,能(neng)夠(gou)滿足工(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)的(de)(de)(de)(de)(de)(de)(de)(de)要(yao)求。在勘察(cha)(cha)的(de)(de)(de)(de)(de)(de)(de)(de)過(guo)程(cheng)(cheng)中需要(yao)對(dui)施(shi)(shi)工(gong)(gong)區(qu)(qu)(qu)域(yu)(yu)的(de)(de)(de)(de)(de)(de)(de)(de)水文、地(di)質(zhi)進行全(quan)面(mian)的(de)(de)(de)(de)(de)(de)(de)(de)調查(cha),全(quan)面(mian)充分(fen)的(de)(de)(de)(de)(de)(de)(de)(de)了解該區(qu)(qu)(qu)域(yu)(yu)的(de)(de)(de)(de)(de)(de)(de)(de)地(di)質(zhi)狀(zhuang)況(kuang)。通(tong)過(guo)全(quan)面(mian)的(de)(de)(de)(de)(de)(de)(de)(de)選(xuan)址勘察(cha)(cha),設計人員能(neng)夠(gou)充分(fen)的(de)(de)(de)(de)(de)(de)(de)(de)了解工(gong)(gong)程(cheng)(cheng)所(suo)在地(di)區(qu)(qu)(qu)的(de)(de)(de)(de)(de)(de)(de)(de)地(di)質(zhi)狀(zhuang)況(kuang),從而選(xuan)擇最合(he)適(shi)的(de)(de)(de)(de)(de)(de)(de)(de)區(qu)(qu)(qu)域(yu)(yu)作為工(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)的(de)(de)(de)(de)(de)(de)(de)(de)區(qu)(qu)(qu)域(yu)(yu),這樣能(neng)夠(gou)有效(xiao)(xiao)的(de)(de)(de)(de)(de)(de)(de)(de)降低(di)工(gong)(gong)程(cheng)(cheng)施(shi)(shi)工(gong)(gong)的(de)(de)(de)(de)(de)(de)(de)(de)難度,降低(di)施(shi)(shi)工(gong)(gong)事故的(de)(de)(de)(de)(de)(de)(de)(de)發(fa)生概率,提高項目的(de)(de)(de)(de)(de)(de)(de)(de)經濟效(xiao)(xiao)益與(yu)社會效(xiao)(xiao)益。

1.2工(gong)程(cheng)設計與施工(gong)中(zhong)的初步勘(kan)察

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公路地質勘察瑞雷波技術

近年(nian)來(lai),我國公(gong)路(lu)(lu)交通建設事(shi)業迅速(su)發展(zhan),由于公(gong)路(lu)(lu)長(chang)達數十至數百(bai)公(gong)里,跨越(yue)(yue)不同(tong)的(de)地(di)形地(di)貌和地(di)層(ceng)、地(di)質構(gou)造分布區,地(di)質環境復雜,公(gong)路(lu)(lu)沿線(xian)的(de)高(gao)邊坡路(lu)(lu)塹、橋梁、隧道等(deng)工(gong)程地(di)質勘察(cha)質量的(de)要求越(yue)(yue)來(lai)越(yue)(yue)高(gao),勘察(cha)設計任(ren)務繁重。考慮(lv)到常規(gui)的(de)鉆探(tan)方法勘探(tan)周期長(chang)、成(cheng)本高(gao),已不能滿足國家現代化(hua)建設及(ji)公(gong)路(lu)(lu)發展(zhan)的(de)要求。為(wei)此,近幾年(nian)在公(gong)路(lu)(lu)工(gong)程地(di)質勘察(cha)中采用了(le)省時(shi)省力、快速(su)經(jing)濟的(de)瑞(rui)雷(lei)(lei)波(bo)勘探(tan)技術。瑞(rui)雷(lei)(lei)波(bo)法是(shi)一(yi)種(zhong)新(xin)型的(de)物探(tan)技術,同(tong)一(yi)波(bo)長(chang)瑞(rui)雷(lei)(lei)波(bo)的(de)傳(chuan)(chuan)播特性反映了(le)巖(yan)土介(jie)質在水平方向上的(de)變(bian)化(hua),不同(tong)波(bo)長(chang)(頻率)瑞(rui)雷(lei)(lei)波(bo)的(de)傳(chuan)(chuan)播特性反映了(le)巖(yan)土介(jie)質在不同(tong)深(shen)度(du)(du)上的(de)變(bian)化(hua)。瑞(rui)雷(lei)(lei)波(bo)勘探(tan)的(de)直接成(cheng)果是(shi)得到各測(ce)點(dian)處面波(bo)速(su)度(du)(du)隨(sui)深(shen)度(du)(du)的(de)變(bian)化(hua)曲(qu)線(xian),即(ji)瑞(rui)雷(lei)(lei)波(bo)的(de)頻散(san)曲(qu)線(xian),根據(ju)頻散(san)曲(qu)線(xian)的(de)特征及(ji)其變(bian)化(hua)規(gui)律(lv)作(zuo)出符合客觀的(de)地(di)質解譯,其成(cheng)果是(shi)各層(ceng)的(de)厚度(du)(du)和波(bo)速(su),從(cong)而查明地(di)下一(yi)定深(shen)度(du)(du)范圍內巖(yan)土各分層(ceng)的(de)巖(yan)性、埋(mai)深(shen)和瑞(rui)雷(lei)(lei)面波(bo)傳(chuan)(chuan)播速(su)度(du)(du),據(ju)此可對巖(yan)土的(de)工(gong)程地(di)質l生質作(zuo)出評價。

1瑞雷波勘探技(ji)術工作原理

瑞(rui)雷波(bo)的頻(pin)散(san)特性(xing)(xing)和在(zai)巖(yan)土(tu)介(jie)質(zhi)中的傳播(bo)(bo)速(su)度與巖(yan)土(tu)體的地質(zhi)條(tiao)件(礦物成(cheng)分、密實程(cheng)度、裂隙發育情況等)密切相(xiang)關。利用瑞(rui)雷波(bo)的頻(pin)散(san)特性(xing)(xing)和傳播(bo)(bo)速(su)度與巖(yan)土(tu)物理(li)(li)力學(xue)(xue)性(xing)(xing)質(zhi)的相(xiang)關性(xing)(xing)可以解決較(jiao)多(duo)的工(gong)(gong)程(cheng)地質(zhi)問題。在(zai)公路工(gong)(gong)程(cheng)地質(zhi)勘(kan)察中,常用來確定沿線高邊(bian)坡、深路塹(qian)、橋梁(liang)、隧道進出口的巖(yan)土(tu)分層,給出基巖(yan)風化分帶(dai),判斷巖(yan)土(tu)各分層的巖(yan)性(xing)(xing)、埋(mai)深和物理(li)(li)力學(xue)(xue)參(can)數。本文以某高速(su)公路為例,介(jie)紹瑞(rui)雷面波(bo)法在(zai)公路巖(yan)土(tu)工(gong)(gong)程(cheng)地質(zhi)勘(kan)察中的分析(xi)應(ying)用。

2工程實例應(ying)用分(fen)析

2.1數據采集

本次勘(kan)察段高(gao)速公(gong)路瑞雷波勘(kan)探(tan)儀器為SE2404EP型綜(zong)合工(gong)程探(tan)測儀、WZG24型高(gao)分辨地震(zhen)儀,采用(yong)18磅錘擊作為激發震(zhen)源(yuan),具體采用(yong)的采集參數見表(biao)1。

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工程地質與水文地質勘察問題分析

摘要:在(zai)工(gong)(gong)程(cheng)(cheng)設計及(ji)施工(gong)(gong)過(guo)程(cheng)(cheng)中(zhong),對工(gong)(gong)程(cheng)(cheng)領域內的(de)(de)(de)工(gong)(gong)程(cheng)(cheng)地質(zhi)(zhi)(zhi)及(ji)水(shui)文地質(zhi)(zhi)(zhi)加以(yi)有(you)效(xiao)(xiao)勘(kan)(kan)察(cha),是行業施工(gong)(gong)人員及(ji)項目管理(li)(li)人員應重點推(tui)進的(de)(de)(de)一項工(gong)(gong)作(zuo)(zuo)。該(gai)項工(gong)(gong)作(zuo)(zuo)的(de)(de)(de)穩(wen)步(bu)開展,是保證(zheng)整(zheng)體(ti)工(gong)(gong)程(cheng)(cheng)質(zhi)(zhi)(zhi)量及(ji)效(xiao)(xiao)益有(you)效(xiao)(xiao)增強的(de)(de)(de)重要前(qian)提。為有(you)效(xiao)(xiao)控制工(gong)(gong)程(cheng)(cheng)過(guo)程(cheng)(cheng)中(zhong)所產生的(de)(de)(de)地質(zhi)(zhi)(zhi)風(feng)險,管理(li)(li)人員需(xu)認真并詳細制定(ding)工(gong)(gong)程(cheng)(cheng)地質(zhi)(zhi)(zhi)、水(shui)文地質(zhi)(zhi)(zhi)的(de)(de)(de)勘(kan)(kan)察(cha)方案,保證(zheng)能(neng)夠獲取最為精(jing)準的(de)(de)(de)勘(kan)(kan)察(cha)信息。本文以(yi)工(gong)(gong)程(cheng)(cheng)地質(zhi)(zhi)(zhi)與水(shui)文地質(zhi)(zhi)(zhi)的(de)(de)(de)勘(kan)(kan)察(cha)為關鍵點,對該(gai)項工(gong)(gong)作(zuo)(zuo)的(de)(de)(de)內容、問題及(ji)處(chu)理(li)(li)方式進行深入分析。

關鍵詞:工程地質(zhi)勘察;水文地質(zhi)勘察

縱觀我國現階(jie)段工(gong)(gong)程地質勘(kan)察領域(yu)的發(fa)展情(qing)況,整體的工(gong)(gong)作規模與(yu)總(zong)量都在不斷擴(kuo)大提高(gao)。但與(yu)此同時,內部勘(kan)察問題(ti)(ti)也逐漸增多。為有效(xiao)控制問題(ti)(ti)造成的不良影(ying)響,相關領域(yu)工(gong)(gong)作人員需及時轉變工(gong)(gong)作思想,調(diao)整工(gong)(gong)作方式(shi),改革勘(kan)察技術,為該領域(yu)發(fa)展提供(gong)充(chong)足助力。

1.工程地(di)質(zhi)與水文地(di)質(zhi)勘察的相關(guan)問(wen)題

1.1對基坑開(kai)挖(wa)造成影響

近年來,我國建(jian)(jian)筑(zhu)(zhu)行(xing)業(ye)(ye)迎來了全新(xin)的(de)發(fa)展機遇,技(ji)術體系與工藝體系不斷成(cheng)(cheng)熟。建(jian)(jian)筑(zhu)(zhu)行(xing)業(ye)(ye)與土地(di)資(zi)源逐漸形成(cheng)(cheng)了較(jiao)為(wei)緊張的(de)矛(mao)盾沖(chong)突,所以高層建(jian)(jian)筑(zhu)(zhu)逐漸成(cheng)(cheng)為(wei)建(jian)(jian)筑(zhu)(zhu)行(xing)業(ye)(ye)發(fa)展的(de)主(zhu)要(yao)趨勢。為(wei)了進一(yi)步(bu)加強(qiang)建(jian)(jian)筑(zhu)(zhu)本體的(de)穩定性、安(an)全性,加深基(ji)坑(keng)開(kai)挖(wa)深度(du),成(cheng)(cheng)為(wei)相(xiang)關行(xing)業(ye)(ye)施工人(ren)員(yuan)采(cai)取(qu)的(de)主(zhu)要(yao)舉措。所以,勘(kan)察(cha)(cha)人(ren)員(yuan)需要(yao)以基(ji)坑(keng)開(kai)挖(wa)為(wei)出發(fa)點,對整體勘(kan)察(cha)(cha)工作所能(neng)夠形成(cheng)(cheng)的(de)不良影響(xiang)進行(xing)客觀評估(gu),以此(ci)維護項目開(kai)展情況以及(ji)建(jian)(jian)筑(zhu)(zhu)本體的(de)結構穩定性[1]。如(ru)若勘(kan)察(cha)(cha)工作仍舊對于工程(cheng)基(ji)坑(keng)開(kai)挖(wa)造成(cheng)(cheng)不良影響(xiang),勘(kan)察(cha)(cha)人(ren)員(yuan)則需做好及(ji)時的(de)補救工作,在完成(cheng)(cheng)勘(kan)察(cha)(cha)工作后構建(jian)(jian)合(he)理(li)的(de)排(pai)水系統,及(ji)時將勘(kan)察(cha)(cha)過(guo)程(cheng)中所產生(sheng)的(de)廢水進行(xing)處理(li),避免廢水流入(ru)基(ji)坑(keng),影響(xiang)地(di)下水質量及(ji)施工質量。

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工程地質勘察水文地質問題探析

摘(zhai)要(yao)(yao):影(ying)響建(jian)(jian)筑(zhu)工程(cheng)質(zhi)(zhi)量的眾多原因(yin)中相對重(zhong)要(yao)(yao)的一(yi)個原因(yin)就是工程(cheng)地質(zhi)(zhi)勘(kan)(kan)察(cha),建(jian)(jian)筑(zhu)工程(cheng)后期使用的壽命和穩(wen)定(ding)性(xing)取(qu)決(jue)(jue)于地質(zhi)(zhi)勘(kan)(kan)察(cha)工作,因(yin)此,相關工作人(ren)員一(yi)定(ding)要(yao)(yao)對工程(cheng)地質(zhi)(zhi)勘(kan)(kan)察(cha)十分(fen)重(zhong)視。下文(wen)就巖土工程(cheng)勘(kan)(kan)察(cha)中水文(wen)地質(zhi)(zhi)的重(zhong)要(yao)(yao)特(te)性(xing),闡述了(le)在工程(cheng)地質(zhi)(zhi)勘(kan)(kan)察(cha)水文(wen)地質(zhi)(zhi)的主要(yao)(yao)途徑和中文(wen)地質(zhi)(zhi)的危害情況加以闡述并且就水文(wen)地質(zhi)(zhi)問題加以有效(xiao)解決(jue)(jue)問題予以說明,為幫助資深(shen)的人(ren)士有一(yi)些指導性(xing)的意見(jian)。

關(guan)鍵詞(ci):工程地(di)質(zhi)勘察(cha);水文地(di)質(zhi);危害性工程

地(di)(di)質(zhi)勘察起到這十(shi)分重(zhong)要(yao)(yao)的作(zuo)用對(dui)(dui)建(jian)(jian)筑(zhu)(zhu)物(wu)(wu)來說,建(jian)(jian)筑(zhu)(zhu)工(gong)(gong)(gong)程施工(gong)(gong)(gong)之前,工(gong)(gong)(gong)程地(di)(di)質(zhi)勘察是重(zhong)中(zhong)之重(zhong)的工(gong)(gong)(gong)作(zuo),目的是為(wei)建(jian)(jian)筑(zhu)(zhu)防護起到保(bao)護,保(bao)證建(jian)(jian)筑(zhu)(zhu)物(wu)(wu)的穩定特性,要(yao)(yao)能夠判(pan)斷地(di)(di)質(zhi)因素是否影響建(jian)(jian)筑(zhu)(zhu)物(wu)(wu),水(shui)(shui)文地(di)(di)質(zhi)問(wen)題尤為(wei)重(zhong)要(yao)(yao),建(jian)(jian)筑(zhu)(zhu)工(gong)(gong)(gong)程時(shi)(shi),基礎(chu)的地(di)(di)質(zhi)環境(jing)、巖土體的主要(yao)(yao)影響物(wu)(wu)質(zhi)為(wei)地(di)(di)下(xia)水(shui)(shui),所以(yi)工(gong)(gong)(gong)程地(di)(di)質(zhi)勘察中(zhong)的水(shui)(shui)文地(di)(di)質(zhi)問(wen)題有(you)著(zhu)十(shi)分重(zhong)要(yao)(yao)的作(zuo)用。就要(yao)(yao)求我們地(di)(di)質(zhi)勘察者不單單的能夠對(dui)(dui)水(shui)(shui)文地(di)(di)質(zhi)危害的判(pan)斷有(you)所了(le)解(jie),還要(yao)(yao)對(dui)(dui)其重(zhong)視(shi)程度加(jia)以(yi)提(ti)高,這樣才能保(bao)障在(zai)建(jian)(jian)筑(zhu)(zhu)工(gong)(gong)(gong)程的開展的同時(shi)(shi)對(dui)(dui)工(gong)(gong)(gong)程地(di)(di)質(zhi)勘察的實(shi)效也有(you)所提(ti)升。

1水文(wen)地質(zhi)勘察中(zhong)巖土工程(cheng)的關鍵(jian)性(xing)

目前階(jie)段,在(zai)(zai)進行(xing)(xing)巖(yan)土工程(cheng)勘察的(de)(de)(de)(de)(de)(de)(de)過程(cheng)中,要注意提防(fang)出現(xian)水位抬升(sheng)造(zao)成(cheng)土質(zhi)(zhi)層受(shou)到(dao)影響的(de)(de)(de)(de)(de)(de)(de)現(xian)象,對水位的(de)(de)(de)(de)(de)(de)(de)變化情(qing)(qing)況(kuang)進行(xing)(xing)有(you)效的(de)(de)(de)(de)(de)(de)(de)了解(jie)掌握(wo),否則就會(hui)造(zao)成(cheng)土質(zhi)(zhi)層發生(sheng)改(gai)變,導致流(liu)沙管涌的(de)(de)(de)(de)(de)(de)(de)情(qing)(qing)況(kuang),土質(zhi)(zhi)中還會(hui)有(you)液化鹽漬的(de)(de)(de)(de)(de)(de)(de)出現(xian)。巖(yan)土工程(cheng)水文地質(zhi)(zhi)勘察中,通過分析探究地下(xia)(xia)水的(de)(de)(de)(de)(de)(de)(de)情(qing)(qing)況(kuang),得(de)出具體的(de)(de)(de)(de)(de)(de)(de)、明確(que)的(de)(de)(de)(de)(de)(de)(de)數據(ju)信息(xi),有(you)效的(de)(de)(de)(de)(de)(de)(de)減少低下(xia)(xia)水對巖(yan)土工程(cheng)的(de)(de)(de)(de)(de)(de)(de)影響,要想總結得(de)到(dao)地下(xia)(xia)水的(de)(de)(de)(de)(de)(de)(de)變化規(gui)律,在(zai)(zai)勘察水文地質(zhi)(zhi)時(shi)候(hou),當(dang)地下(xia)(xia)水位和(he)變化在(zai)(zai)相對自然的(de)(de)(de)(de)(de)(de)(de)狀(zhuang)態的(de)(de)(de)(de)(de)(de)(de)下(xia)(xia)幅(fu)度(du)比較小,當(dang)進行(xing)(xing)巖(yan)土土質(zhi)(zhi)松軟的(de)(de)(de)(de)(de)(de)(de)巖(yan)土工程(cheng)施(shi)工的(de)(de)(de)(de)(de)(de)(de)時(shi)候(hou),巖(yan)土的(de)(de)(de)(de)(de)(de)(de)孔隙逐漸加大(da),地下(xia)(xia)水的(de)(de)(de)(de)(de)(de)(de)水位情(qing)(qing)況(kuang)也會(hui)是(shi)隨著(zhu)變化,會(hui)嚴(yan)重的(de)(de)(de)(de)(de)(de)(de)影響到(dao)地下(xia)(xia)水位的(de)(de)(de)(de)(de)(de)(de)平衡(heng)性(xing),倘(tang)若此時(shi)有(you)外力的(de)(de)(de)(de)(de)(de)(de)介(jie)入,不僅會(hui)加大(da)破(po)壞地基強度(du),而且對巖(yan)土工程(cheng)管涌的(de)(de)(de)(de)(de)(de)(de)情(qing)(qing)況(kuang)大(da)大(da)增加,沒有(you)辦法對基坑防(fang)護坡(po)的(de)(de)(de)(de)(de)(de)(de)穩定性(xing)起(qi)到(dao)作(zuo)用,還會(hui)給工程(cheng)的(de)(de)(de)(de)(de)(de)(de)進行(xing)(xing)以及開展帶來比較大(da)的(de)(de)(de)(de)(de)(de)(de)難度(du)。

2評估工程地(di)質勘察(cha)水(shui)文(wen)地(di)質的重要途徑

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水利水電地質勘察實踐思考

1水利水電工(gong)程地(di)質勘察理論現狀(zhuang)

隨(sui)著社會(hui)的(de)(de)(de)(de)發(fa)展、科學(xue)技(ji)(ji)術的(de)(de)(de)(de)進步(bu),水(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)電(dian)工程的(de)(de)(de)(de)建設逐漸(jian)實現了(le)(le)(le)現代化,水(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)電(dian)工程地(di)(di)質(zhi)工作(zuo)亦是如此。這些先進的(de)(de)(de)(de)技(ji)(ji)術為(wei)水(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)電(dian)工程地(di)(di)質(zhi)研究(jiu)提供了(le)(le)(le)現代化的(de)(de)(de)(de)理論基礎(chu)與(yu)實踐(jian)水(shui)(shui)(shui)(shui)(shui)平。實現現代化的(de)(de)(de)(de)操作(zuo)、運用先進的(de)(de)(de)(de)科學(xue)技(ji)(ji)術也將是水(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)電(dian)工程地(di)(di)質(zhi)研究(jiu)工作(zuo)的(de)(de)(de)(de)必(bi)然途(tu)徑。近(jin)幾十年來,水(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)電(dian)工程的(de)(de)(de)(de)地(di)(di)質(zhi)研究(jiu)工作(zuo)取得了(le)(le)(le)多方(fang)面(mian)的(de)(de)(de)(de)發(fa)展,從勘察技(ji)(ji)術到測(ce)試技(ji)(ji)術,再(zai)到數值分析技(ji)(ji)術等都獲(huo)得了(le)(le)(le)迅速的(de)(de)(de)(de)發(fa)展。雖然水(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)電(dian)工程地(di)(di)質(zhi)在理論、知識上獲(huo)得了(le)(le)(le)長足的(de)(de)(de)(de)發(fa)展,但是由于地(di)(di)質(zhi)環(huan)境的(de)(de)(de)(de)復雜(za)以及地(di)(di)質(zhi)信息獲(huo)取難等原因,導致了(le)(le)(le)水(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)電(dian)地(di)(di)質(zhi)研究(jiu)工作(zuo)無法成(cheng)為(wei)一(yi)門精確的(de)(de)(de)(de)學(xue)科,在眾多方(fang)面(mian)還存在的(de)(de)(de)(de)缺陷。

2水利水電工程地質(zhi)勘察主要內(nei)容

水(shui)(shui)利(li)(li)(li)水(shui)(shui)電(dian)工(gong)程(cheng)(cheng)(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)勘(kan)(kan)察(cha)(cha)(cha)工(gong)作(zuo)(zuo)(zuo)是(shi)一項復雜的(de)(de)(de)(de)(de)系統工(gong)作(zuo)(zuo)(zuo),應該涵蓋到多個方面(mian)。但是(shi)傳(chuan)統的(de)(de)(de)(de)(de)水(shui)(shui)利(li)(li)(li)水(shui)(shui)電(dian)工(gong)程(cheng)(cheng)(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)勘(kan)(kan)察(cha)(cha)(cha)工(gong)作(zuo)(zuo)(zuo)由(you)于(yu)(yu)受到理論以(yi)及(ji)經(jing)驗(yan)方面(mian)的(de)(de)(de)(de)(de)限(xian)制,只考慮到地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)信(xin)(xin)息(xi)的(de)(de)(de)(de)(de)基本(ben)調查(cha)工(gong)作(zuo)(zuo)(zuo)。在實(shi)際工(gong)作(zuo)(zuo)(zuo)中,僅對水(shui)(shui)利(li)(li)(li)水(shui)(shui)電(dian)工(gong)程(cheng)(cheng)(cheng)區的(de)(de)(de)(de)(de)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)進(jin)(jin)行簡單的(de)(de)(de)(de)(de)分(fen)析,為(wei)建設(she)人員提(ti)供(gong)(gong)建設(she)區地(di)(di)(di)形地(di)(di)(di)貌、地(di)(di)(di)層巖性以(yi)及(ji)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)構造等信(xin)(xin)息(xi)[2]。這樣,就使得水(shui)(shui)利(li)(li)(li)水(shui)(shui)電(dian)工(gong)程(cheng)(cheng)(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)勘(kan)(kan)察(cha)(cha)(cha)報告不(bu)夠完善(shan),為(wei)工(gong)程(cheng)(cheng)(cheng)建設(she)提(ti)供(gong)(gong)的(de)(de)(de)(de)(de)幫(bang)助也較為(wei)有(you)限(xian)。自20世紀70年代,隨著(zhu)技(ji)術(shu)水(shui)(shui)平(ping)的(de)(de)(de)(de)(de)提(ti)高,勘(kan)(kan)察(cha)(cha)(cha)的(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)內(nei)容也逐(zhu)漸豐(feng)富起來。當前,水(shui)(shui)利(li)(li)(li)水(shui)(shui)電(dian)工(gong)程(cheng)(cheng)(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)勘(kan)(kan)察(cha)(cha)(cha)工(gong)作(zuo)(zuo)(zuo)包括多個組(zu)成部分(fen)。主(zhu)要包括:基本(ben)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)信(xin)(xin)息(xi)的(de)(de)(de)(de)(de)調查(cha);工(gong)程(cheng)(cheng)(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)問(wen)題(ti)(ti)的(de)(de)(de)(de)(de)提(ti)出、分(fen)析以(yi)及(ji)判(pan)斷;對工(gong)程(cheng)(cheng)(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)進(jin)(jin)行改造的(de)(de)(de)(de)(de)問(wen)題(ti)(ti)分(fen)析;對地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)信(xin)(xin)息(xi)進(jin)(jin)行監(jian)測以(yi)及(ji)反饋,并且依據(ju)監(jian)測反饋內(nei)容進(jin)(jin)行調整。基礎(chu)信(xin)(xin)息(xi)的(de)(de)(de)(de)(de)調查(cha)是(shi)勘(kan)(kan)察(cha)(cha)(cha)工(gong)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)基礎(chu),然而(er)后3個方面(mian)的(de)(de)(de)(de)(de)增加則逐(zhu)漸完善(shan)了勘(kan)(kan)察(cha)(cha)(cha)工(gong)作(zuo)(zuo)(zuo),將(jiang)勘(kan)(kan)察(cha)(cha)(cha)的(de)(de)(de)(de)(de)目標從(cong)簡單的(de)(de)(de)(de)(de)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)勘(kan)(kan)察(cha)(cha)(cha)延(yan)伸至地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)工(gong)程(cheng)(cheng)(cheng)方向(xiang)。這種方向(xiang)的(de)(de)(de)(de)(de)轉變(bian)能夠有(you)助于(yu)(yu)水(shui)(shui)利(li)(li)(li)水(shui)(shui)電(dian)工(gong)程(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)建設(she),同時也給勘(kan)(kan)察(cha)(cha)(cha)人員提(ti)出了新的(de)(de)(de)(de)(de)要求,他們不(bu)僅要是(shi)地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)專家,也要了解水(shui)(shui)利(li)(li)(li)水(shui)(shui)電(dian)方面(mian)的(de)(de)(de)(de)(de)知識。這樣,才能提(ti)高地(di)(di)(di)質(zhi)(zhi)(zhi)(zhi)勘(kan)(kan)察(cha)(cha)(cha)工(gong)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)水(shui)(shui)平(ping)。

3水利水電勘察實物(wu)工程(cheng)量(liang)與工程(cheng)地(di)質問(wen)題(ti)決斷質量(liang)的關系

水(shui)(shui)利工(gong)(gong)程(cheng)(cheng)地(di)(di)質(zhi)(zhi)(zhi)勘(kan)(kan)察(cha)(cha)工(gong)(gong)作中,首先是(shi)(shi)(shi)要(yao)進(jin)(jin)行地(di)(di)質(zhi)(zhi)(zhi)勘(kan)(kan)察(cha)(cha),進(jin)(jin)而對(dui)(dui)地(di)(di)質(zhi)(zhi)(zhi)做出(chu)決(jue)(jue)斷(duan)(duan)(duan),這是(shi)(shi)(shi)該(gai)項工(gong)(gong)作的(de)(de)最基(ji)本環(huan)節(jie),同時(shi)(shi)也(ye)是(shi)(shi)(shi)一項重要(yao)的(de)(de)環(huan)節(jie),因為決(jue)(jue)斷(duan)(duan)(duan)的(de)(de)質(zhi)(zhi)(zhi)量會直接作為水(shui)(shui)利水(shui)(shui)電工(gong)(gong)程(cheng)(cheng)建設時(shi)(shi)的(de)(de)參考(kao)。但是(shi)(shi)(shi)對(dui)(dui)于這一環(huan)節(jie),許(xu)多人(ren)(ren)存在(zai)一個誤區,主要(yao)是(shi)(shi)(shi)關(guan)于水(shui)(shui)利水(shui)(shui)電勘(kan)(kan)察(cha)(cha)實(shi)(shi)物(wu)(wu)工(gong)(gong)程(cheng)(cheng)量與工(gong)(gong)程(cheng)(cheng)地(di)(di)質(zhi)(zhi)(zhi)問題(ti)決(jue)(jue)斷(duan)(duan)(duan)質(zhi)(zhi)(zhi)量的(de)(de)關(guan)系(xi)(xi)。許(xu)多人(ren)(ren)會認(ren)為工(gong)(gong)程(cheng)(cheng)地(di)(di)質(zhi)(zhi)(zhi)問題(ti)決(jue)(jue)斷(duan)(duan)(duan)質(zhi)(zhi)(zhi)量完(wan)全(quan)與勘(kan)(kan)察(cha)(cha)實(shi)(shi)物(wu)(wu)的(de)(de)工(gong)(gong)程(cheng)(cheng)量成(cheng)正比,受到勘(kan)(kan)察(cha)(cha)實(shi)(shi)物(wu)(wu)工(gong)(gong)程(cheng)(cheng)量的(de)(de)直接影響(xiang)。但是(shi)(shi)(shi)實(shi)(shi)際上,二者并無(wu)如此明顯的(de)(de)因果(guo)關(guan)系(xi)(xi)。勘(kan)(kan)察(cha)(cha)實(shi)(shi)物(wu)(wu)工(gong)(gong)程(cheng)(cheng)量會為工(gong)(gong)程(cheng)(cheng)地(di)(di)質(zhi)(zhi)(zhi)問題(ti)的(de)(de)決(jue)(jue)斷(duan)(duan)(duan)工(gong)(gong)作提供基(ji)礎,但是(shi)(shi)(shi)決(jue)(jue)斷(duan)(duan)(duan)的(de)(de)質(zhi)(zhi)(zhi)量大部分還是(shi)(shi)(shi)取(qu)決(jue)(jue)于勘(kan)(kan)察(cha)(cha)人(ren)(ren)員(yuan)的(de)(de)專業(ye)素養(yang)。水(shui)(shui)利水(shui)(shui)電工(gong)(gong)程(cheng)(cheng)所面臨的(de)(de)地(di)(di)質(zhi)(zhi)(zhi)條件往往較(jiao)為復(fu)(fu)雜,這本身就對(dui)(dui)勘(kan)(kan)察(cha)(cha)人(ren)(ren)員(yuan)的(de)(de)素質(zhi)(zhi)(zhi)提出(chu)了較(jiao)高的(de)(de)要(yao)求。面對(dui)(dui)這么復(fu)(fu)雜的(de)(de)地(di)(di)質(zhi)(zhi)(zhi)環(huan)境,勘(kan)(kan)察(cha)(cha)人(ren)(ren)員(yuan)要(yao)想進(jin)(jin)行正確、科學的(de)(de)決(jue)(jue)斷(duan)(duan)(duan)必須(xu)要(yao)有扎(zha)實(shi)(shi)的(de)(de)專業(ye)基(ji)礎、具有較(jiao)高的(de)(de)綜合決(jue)(jue)斷(duan)(duan)(duan)能(neng)力。

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鉆探技術對工程地質勘察的應用

摘要(yao):近些年來(lai),科學(xue)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)的(de)(de)(de)發(fa)(fa)展(zhan)(zhan)帶動(dong)了(le)我國工(gong)(gong)(gong)(gong)業技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)水平的(de)(de)(de)提(ti)升,在發(fa)(fa)展(zhan)(zhan)經濟過(guo)程(cheng)中(zhong),各行各業都應(ying)(ying)用(yong)(yong)(yong)(yong)了(le)先(xian)進的(de)(de)(de)科學(xue)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)手段(duan)(duan),促(cu)進內部(bu)產(chan)業結(jie)構的(de)(de)(de)改(gai)革和(he)(he)(he)創(chuang)新(xin)(xin)(xin),在城市建設(she)發(fa)(fa)展(zhan)(zhan)過(guo)程(cheng)中(zhong),工(gong)(gong)(gong)(gong)程(cheng)地(di)(di)質(zhi)(zhi)勘(kan)(kan)(kan)察行業面臨著(zhu)新(xin)(xin)(xin)的(de)(de)(de)發(fa)(fa)展(zhan)(zhan)機遇,隨(sui)著(zhu)鉆探(tan)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)的(de)(de)(de)不斷優化和(he)(he)(he)發(fa)(fa)展(zhan)(zhan),在工(gong)(gong)(gong)(gong)程(cheng)地(di)(di)質(zhi)(zhi)勘(kan)(kan)(kan)察工(gong)(gong)(gong)(gong)作(zuo)(zuo)中(zhong)也得到了(le)廣(guang)泛的(de)(de)(de)普(pu)及和(he)(he)(he)應(ying)(ying)用(yong)(yong)(yong)(yong)。工(gong)(gong)(gong)(gong)程(cheng)地(di)(di)質(zhi)(zhi)勘(kan)(kan)(kan)探(tan)工(gong)(gong)(gong)(gong)作(zuo)(zuo)是(shi)(shi)整個工(gong)(gong)(gong)(gong)程(cheng)建設(she)的(de)(de)(de)重要(yao)工(gong)(gong)(gong)(gong)作(zuo)(zuo)環節,關乎著(zhu)建筑的(de)(de)(de)質(zhi)(zhi)量(liang)是(shi)(shi)否能(neng)夠滿足使用(yong)(yong)(yong)(yong)標準和(he)(he)(he)要(yao)求。以往傳(chuan)統的(de)(de)(de)工(gong)(gong)(gong)(gong)作(zuo)(zuo)模式具有一定的(de)(de)(de)弊端,已經無法滿足現(xian)階段(duan)(duan)工(gong)(gong)(gong)(gong)程(cheng)建設(she)和(he)(he)(he)開(kai)發(fa)(fa)的(de)(de)(de)工(gong)(gong)(gong)(gong)作(zuo)(zuo)需求,基于此,加強(qiang)鉆探(tan)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)創(chuang)新(xin)(xin)(xin)和(he)(he)(he)改(gai)革勢在必(bi)行。相(xiang)關企業和(he)(he)(he)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)人(ren)員應(ying)(ying)該不斷的(de)(de)(de)提(ti)高自身的(de)(de)(de)研究(jiu)力度,在技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)的(de)(de)(de)應(ying)(ying)用(yong)(yong)(yong)(yong)和(he)(he)(he)發(fa)(fa)展(zhan)(zhan)過(guo)程(cheng)中(zhong),明確技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)改(gai)革和(he)(he)(he)創(chuang)新(xin)(xin)(xin)的(de)(de)(de)重要(yao)性,結(jie)合目前我國工(gong)(gong)(gong)(gong)程(cheng)地(di)(di)質(zhi)(zhi)勘(kan)(kan)(kan)察中(zhong)的(de)(de)(de)鉆探(tan)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)應(ying)(ying)用(yong)(yong)(yong)(yong)情況分(fen)析(xi),雖然取得了(le)很多研究(jiu)成(cheng)果(guo),但是(shi)(shi)仍需努力,不斷進行技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)創(chuang)新(xin)(xin)(xin)和(he)(he)(he)優化,來(lai)進一步發(fa)(fa)揮鉆探(tan)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)的(de)(de)(de)應(ying)(ying)用(yong)(yong)(yong)(yong)效果(guo),為我國地(di)(di)質(zhi)(zhi)勘(kan)(kan)(kan)察工(gong)(gong)(gong)(gong)作(zuo)(zuo)提(ti)供源源不斷的(de)(de)(de)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)動(dong)力。文章對工(gong)(gong)(gong)(gong)程(cheng)地(di)(di)質(zhi)(zhi)勘(kan)(kan)(kan)察中(zhong)鉆探(tan)技(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)術(shu)的(de)(de)(de)應(ying)(ying)用(yong)(yong)(yong)(yong)進行分(fen)析(xi),為地(di)(di)質(zhi)(zhi)勘(kan)(kan)(kan)察后續工(gong)(gong)(gong)(gong)作(zuo)(zuo)的(de)(de)(de)順利開(kai)展(zhan)(zhan)提(ti)供一些參(can)考(kao)依據。

關鍵(jian)詞:工程;地質勘察;鉆探(tan)技術(shu);應用

地(di)(di)質(zhi)勘探(tan)技術的(de)先進(jin)與(yu)(yu)否直接影響著地(di)(di)質(zhi)勘探(tan)工(gong)作(zuo)(zuo)的(de)效果(guo)和(he)質(zhi)量,也與(yu)(yu)地(di)(di)質(zhi)企業的(de)整體市場競爭力有密切的(de)關聯(lian)[1,2]。隨著地(di)(di)質(zhi)勘探(tan)行業的(de)整體水(shui)平提(ti)高(gao),結(jie)合(he)(he)目(mu)前的(de)發(fa)展狀況,我國(guo)大(da)部分地(di)(di)區資(zi)(zi)源處于(yu)缺乏狀態(tai),如(ru)果(guo)繼續毫無節制(zhi)的(de)開發(fa)和(he)利用將會面臨資(zi)(zi)源枯(ku)竭的(de)問題。建筑行業的(de)快(kuai)速發(fa)展以(yi)及規(gui)模的(de)擴(kuo)大(da),應該進(jin)一步提(ti)高(gao)資(zi)(zi)源的(de)科(ke)學(xue)利用,所以(yi)進(jin)行更加科(ke)學(xue)合(he)(he)理(li)的(de)地(di)(di)質(zhi)勘探(tan)工(gong)作(zuo)(zuo)具有一定的(de)必要性[3,4],結(jie)合(he)(he)實際的(de)地(di)(di)理(li)理(li)論知識和(he)地(di)(di)理(li)特點(dian),促進(jin)土地(di)(di)規(gui)劃和(he)資(zi)(zi)源利用更加科(ke)學(xue)與(yu)(yu)合(he)(he)理(li),并為(wei)我國(guo)工(gong)程地(di)(di)質(zhi)勘察工(gong)作(zuo)(zuo)提(ti)供有效的(de)依據(ju)。

1工(gong)程地質勘察的含義

隨著(zhu)我(wo)國工(gong)(gong)程(cheng)項目和(he)(he)工(gong)(gong)程(cheng)規(gui)模的(de)(de)(de)擴大,進(jin)一(yi)步(bu)加強(qiang)工(gong)(gong)程(cheng)地(di)(di)質(zhi)勘察(cha)工(gong)(gong)作具有一(yi)定的(de)(de)(de)必要(yao)性(xing),工(gong)(gong)程(cheng)地(di)(di)質(zhi)勘察(cha)主要(yao)是(shi)運用(yong)勘探和(he)(he)調查的(de)(de)(de)方法(fa),進(jin)一(yi)步(bu)分(fen)析和(he)(he)了(le)解工(gong)(gong)程(cheng)區域的(de)(de)(de)水文情況、土地(di)(di)資源情況以及(ji)地(di)(di)質(zhi)情況等等,并對相(xiang)關參(can)數的(de)(de)(de)變化(hua)和(he)(he)地(di)(di)質(zhi)空間(jian)數據進(jin)行科學的(de)(de)(de)分(fen)析,對建筑物的(de)(de)(de)適應度、穩定性(xing)以及(ji)相(xiang)關指標進(jin)行綜合(he)評價,進(jin)一(yi)步(bu)完善了(le)工(gong)(gong)程(cheng)的(de)(de)(de)相(xiang)關資料(liao),在地(di)(di)質(zhi)勘察(cha)工(gong)(gong)作中,運用(yong)了(le)不同(tong)的(de)(de)(de)勘察(cha)技術,鉆探技術是(shi)眾多勘察(cha)技術中的(de)(de)(de)重要(yao)技術之一(yi),在近些年(nian)來得(de)到了(le)廣泛的(de)(de)(de)普及(ji)和(he)(he)應用(yong),并發(fa)揮了(le)技術的(de)(de)(de)最大優(you)勢和(he)(he)效果。

2地質(zhi)勘察中鉆探(tan)技術的優(you)勢分析

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巖土工程勘察水文地質分析

摘(zhai)要:在巖土(tu)工(gong)程勘(kan)察(cha)(cha)(cha)項目中,水(shui)文(wen)地(di)質(zhi)勘(kan)察(cha)(cha)(cha)數(shu)據(ju)的(de)(de)(de)完整性和準確(que)性,將直接影響(xiang)到巖土(tu)工(gong)程施(shi)工(gong)方案制定的(de)(de)(de)科學(xue)性。文(wen)章(zhang)針(zhen)對水(shui)文(wen)地(di)質(zhi)勘(kan)察(cha)(cha)(cha)中經常遇到的(de)(de)(de)問(wen)題(ti)展開分析(xi),針(zhen)對此(ci)類情況制定了相應的(de)(de)(de)處理措施(shi),提升(sheng)水(shui)文(wen)地(di)質(zhi)勘(kan)察(cha)(cha)(cha)數(shu)據(ju)的(de)(de)(de)準確(que)性和有效(xiao)性,也為(wei)施(shi)工(gong)方案合理性的(de)(de)(de)提升(sheng)提供可靠的(de)(de)(de)數(shu)據(ju)支持(chi)。

關鍵詞:巖土(tu)工程(cheng)勘察(cha)(cha);精(jing)準度;水文地質;勘察(cha)(cha)計劃

在(zai)巖土勘察工作開展的(de)(de)(de)過程(cheng)中,根據水(shui)文(wen)地質勘察結果,可(ke)以及時對(dui)區域基本情況進行客觀(guan)了解(jie),對(dui)于(yu)存在(zai)的(de)(de)(de)隱性問題進行預警,做好對(dui)應的(de)(de)(de)預防措(cuo)(cuo)施和應急(ji)措(cuo)(cuo)施。一方面,可(ke)以提高工程(cheng)作業環境的(de)(de)(de)安(an)全(quan)性;另一方面,對(dui)于(yu)減少(shao)施工對(dui)水(shui)體資源(yuan)的(de)(de)(de)污染,提升工程(cheng)的(de)(de)(de)社會效益(yi)有著積極(ji)的(de)(de)(de)作用。

1水文地(di)質(zhi)勘察中經常遇到的問(wen)題

在(zai)水(shui)(shui)(shui)文地質(zhi)勘(kan)(kan)察(cha)工(gong)作開展過(guo)(guo)程(cheng)中,經常會(hui)遇到以下幾類(lei)應(ying)用(yong)(yong)問題:(1)水(shui)(shui)(shui)文地質(zhi)勘(kan)(kan)察(cha)數(shu)據(ju)(ju)的(de)(de)(de)(de)完(wan)整性(xing)較(jiao)(jiao)(jiao)差(cha)(cha),在(zai)巖土勘(kan)(kan)察(cha)過(guo)(guo)程(cheng)中,所涉(she)及的(de)(de)(de)(de)勘(kan)(kan)察(cha)區域相對較(jiao)(jiao)(jiao)大(da),并且地形復(fu)雜程(cheng)度較(jiao)(jiao)(jiao)高(gao),若沒有提(ti)前制定完(wan)善的(de)(de)(de)(de)勘(kan)(kan)察(cha)計劃,很(hen)容易(yi)出(chu)現勘(kan)(kan)察(cha)漏項(xiang)(xiang)、錯(cuo)(cuo)(cuo)項(xiang)(xiang)的(de)(de)(de)(de)情況(kuang)。(2)數(shu)據(ju)(ju)精(jing)準(zhun)(zhun)度不足(zu),在(zai)水(shui)(shui)(shui)文地質(zhi)勘(kan)(kan)察(cha)過(guo)(guo)程(cheng)中,會(hui)借(jie)助(zhu)(zhu)勘(kan)(kan)測儀器來輔助(zhu)(zhu)信(xin)息(xi)(xi)的(de)(de)(de)(de)采(cai)集,儀器的(de)(de)(de)(de)精(jing)準(zhun)(zhun)度也(ye)(ye)決定了(le)(le)勘(kan)(kan)察(cha)數(shu)據(ju)(ju)的(de)(de)(de)(de)準(zhun)(zhun)確性(xing)。很(hen)多勘(kan)(kan)察(cha)隊伍(wu)所使用(yong)(yong)的(de)(de)(de)(de)儀器設備(bei)存在(zai)一定的(de)(de)(de)(de)滯后性(xing),同時(shi)在(zai)使用(yong)(yong)后缺乏必要的(de)(de)(de)(de)養護(hu),并且在(zai)使用(yong)(yong)時(shi)調試效(xiao)果(guo)較(jiao)(jiao)(jiao)差(cha)(cha),這也(ye)(ye)會(hui)影(ying)響到最終(zhong)數(shu)據(ju)(ju)采(cai)集結果(guo)的(de)(de)(de)(de)精(jing)準(zhun)(zhun)度。(3)數(shu)據(ju)(ju)測量結果(guo)的(de)(de)(de)(de)容錯(cuo)(cuo)(cuo)率較(jiao)(jiao)(jiao)高(gao),在(zai)巖土工(gong)程(cheng)水(shui)(shui)(shui)文地質(zhi)勘(kan)(kan)察(cha)過(guo)(guo)程(cheng)中,需要采(cai)集大(da)量的(de)(de)(de)(de)基(ji)礎數(shu)據(ju)(ju)信(xin)息(xi)(xi),如地層(ceng)分層(ceng)情況(kuang)、地下水(shui)(shui)(shui)分布情況(kuang)、地層(ceng)厚度、節(jie)理裂(lie)隙等(deng),在(zai)采(cai)集到數(shu)據(ju)(ju)之后,也(ye)(ye)會(hui)借(jie)助(zhu)(zhu)云計算技術、數(shu)據(ju)(ju)庫(ku)處理技術對于這些數(shu)據(ju)(ju)進行分析(xi)處理,從而得(de)到準(zhun)(zhun)確性(xing)較(jiao)(jiao)(jiao)高(gao)的(de)(de)(de)(de)數(shu)據(ju)(ju)信(xin)息(xi)(xi)。不過(guo)(guo)很(hen)多勘(kan)(kan)察(cha)單位在(zai)數(shu)據(ju)(ju)分析(xi)時(shi)沒有建立合理的(de)(de)(de)(de)評價(jia)機制,評價(jia)內容的(de)(de)(de)(de)適用(yong)(yong)性(xing)較(jiao)(jiao)(jiao)差(cha)(cha),這也(ye)(ye)提(ti)高(gao)了(le)(le)數(shu)據(ju)(ju)信(xin)息(xi)(xi)分析(xi)結果(guo)的(de)(de)(de)(de)容錯(cuo)(cuo)(cuo)率,降(jiang)低了(le)(le)數(shu)據(ju)(ju)信(xin)息(xi)(xi)的(de)(de)(de)(de)實用(yong)(yong)價(jia)值。(4)勘(kan)(kan)察(cha)人(ren)員的(de)(de)(de)(de)綜(zong)合素養較(jiao)(jiao)(jiao)差(cha)(cha)。部分企業(ye)為了(le)(le)節(jie)約施工(gong)成本(ben)支(zhi)出(chu),所選擇的(de)(de)(de)(de)檢測人(ren)員綜(zong)合能力相對較(jiao)(jiao)(jiao)低,這樣在(zai)實際(ji)應(ying)用(yong)(yong)的(de)(de)(de)(de)過(guo)(guo)程(cheng)中,也(ye)(ye)會(hui)造成數(shu)據(ju)(ju)檢測完(wan)整性(xing)、有效(xiao)性(xing)降(jiang)低,部分數(shu)據(ju)(ju)還需要重新(xin)進行測量,這也(ye)(ye)增加了(le)(le)檢測成本(ben)的(de)(de)(de)(de)支(zhi)出(chu),給(gei)企業(ye)經濟(ji)發展帶來負面影(ying)響[1]。

2水文(wen)地(di)質勘察(cha)的優化措(cuo)施分析(xi)

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深基坑工程支護技術及地質勘察要點

[摘要]隨著深(shen)(shen)(shen)基(ji)(ji)坑工(gong)程(cheng)周邊環(huan)境越來越復雜,這就對深(shen)(shen)(shen)基(ji)(ji)坑支護及施(shi)工(gong)提出新(xin)的要求,本文(wen)結合(he)深(shen)(shen)(shen)基(ji)(ji)坑工(gong)程(cheng)的特點(dian),分析(xi)了深(shen)(shen)(shen)基(ji)(ji)坑工(gong)程(cheng)支護設計(ji)及實踐應用(yong),并對深(shen)(shen)(shen)基(ji)(ji)坑工(gong)程(cheng)水(shui)文(wen)地(di)質(zhi)、工(gong)程(cheng)地(di)質(zhi)、環(huan)境地(di)質(zhi)勘察的內(nei)容、重(zhong)點(dian)進行了分析(xi)。工(gong)程(cheng)技術人員(yuan)應該重(zhong)視深(shen)(shen)(shen)基(ji)(ji)坑工(gong)程(cheng)的水(shui)工(gong)環(huan)地(di)質(zhi)勘察工(gong)作(zuo),利用(yong)水(shui)工(gong)環(huan)勘察資料,比(bi)選制定出合(he)適的支護方案,確保深(shen)(shen)(shen)基(ji)(ji)坑工(gong)程(cheng)安全(quan)施(shi)工(gong)。

[關鍵詞]深基坑(keng);支護;勘(kan)察;工(gong)程地質;水文(wen)地質;環境地質

隨(sui)著城(cheng)市(shi)化的(de)不斷發展,高(gao)層建(jian)筑不斷涌(yong)現,加之地鐵等軌道交(jiao)通及地下設(she)施(shi)建(jian)設(she)的(de)大(da)量應用,建(jian)筑深基(ji)(ji)坑(keng)工(gong)(gong)(gong)程的(de)數量急劇增加,城(cheng)市(shi)深基(ji)(ji)工(gong)(gong)(gong)程作業面(mian)往(wang)往(wang)受到限制,毗鄰(lin)的(de)建(jian)筑物和地下設(she)施(shi)比較多(duo),基(ji)(ji)坑(keng)的(de)開(kai)挖往(wang)往(wang)對(dui)其產生影響,危及結構的(de)安(an)(an)全性及使用壽命。選(xuan)擇的(de)合理的(de)深基(ji)(ji)坑(keng)支護方(fang)案既能保證(zheng)基(ji)(ji)坑(keng)的(de)安(an)(an)全施(shi)工(gong)(gong)(gong),同時可以減(jian)小對(dui)基(ji)(ji)坑(keng)周(zhou)邊環(huan)境的(de)影響。近年來,建(jian)筑深基(ji)(ji)坑(keng)工(gong)(gong)(gong)程建(jian)設(she)環(huan)境及施(shi)工(gong)(gong)(gong)條件(jian)越來越復雜,工(gong)(gong)(gong)程人員應更加重(zhong)視深基(ji)(ji)坑(keng)工(gong)(gong)(gong)程的(de)水工(gong)(gong)(gong)環(huan)地質(zhi)(zhi)勘(kan)察工(gong)(gong)(gong)作,準確掌握基(ji)(ji)坑(keng)場地及周(zhou)邊環(huan)境的(de)工(gong)(gong)(gong)程地質(zhi)(zhi)、水文(wen)地質(zhi)(zhi)、環(huan)境地質(zhi)(zhi)情況等與支護方(fang)案的(de)選(xuan)擇息息相關。

1深基坑工程的(de)勘(kan)察特點分析

1.1工程地(di)質條(tiao)件分析

工程(cheng)(cheng)(cheng)(cheng)(cheng)地(di)(di)(di)(di)質(zhi)(zhi)勘察(cha)的(de)目(mu)的(de)是查明場地(di)(di)(di)(di)地(di)(di)(di)(di)貌單元、地(di)(di)(di)(di)基(ji)各(ge)巖土層(ceng)的(de)時代及成因,提(ti)供(gong)地(di)(di)(di)(di)基(ji)各(ge)巖土層(ceng)的(de)物理(li)、力學(xue)(xue)指(zhi)標及承載力等(deng),深(shen)基(ji)坑(keng)(keng)(keng)工程(cheng)(cheng)(cheng)(cheng)(cheng)具有很強的(de)區域(yu)性(xing)[1],不同(tong)工程(cheng)(cheng)(cheng)(cheng)(cheng)地(di)(di)(di)(di)質(zhi)(zhi)條件下基(ji)坑(keng)(keng)(keng)工程(cheng)(cheng)(cheng)(cheng)(cheng)差(cha)異(yi)性(xing)很大(da),同(tong)一工程(cheng)(cheng)(cheng)(cheng)(cheng)場地(di)(di)(di)(di)不同(tong)區域(yu)基(ji)坑(keng)(keng)(keng)工程(cheng)(cheng)(cheng)(cheng)(cheng)也可能差(cha)異(yi)。由(you)于地(di)(di)(di)(di)質(zhi)(zhi)條件復雜性(xing)、差(cha)異(yi)性(xing),致使(shi)工程(cheng)(cheng)(cheng)(cheng)(cheng)勘察(cha)取(qu)得的(de)土層(ceng)物理(li)力學(xue)(xue)性(xing)質(zhi)(zhi)數(shu)據離散(san)性(xing)很大(da),用于基(ji)坑(keng)(keng)(keng)支護設計(ji)精確(que)度很低。因此,深(shen)基(ji)坑(keng)(keng)(keng)工程(cheng)(cheng)(cheng)(cheng)(cheng)設計(ji)時,應(ying)詳細對(dui)(dui)場地(di)(di)(di)(di)進(jin)行勘察(cha),通過(guo)科學(xue)(xue)的(de)采樣,保證深(shen)基(ji)坑(keng)(keng)(keng)范(fan)圍(wei)內各(ge)巖土層(ceng)的(de)物理(li)、力學(xue)(xue)指(zhi)標數(shu)據的(de)精確(que)性(xing)。工程(cheng)(cheng)(cheng)(cheng)(cheng)技術人員應(ying)根據實(shi)地(di)(di)(di)(di)情況(kuang),利用地(di)(di)(di)(di)質(zhi)(zhi)學(xue)(xue)知識,對(dui)(dui)數(shu)據進(jin)行分析,提(ti)出合理(li)的(de)支護方案(an)(an)建議,分析在基(ji)坑(keng)(keng)(keng)工程(cheng)(cheng)(cheng)(cheng)(cheng)施工期(qi)間(jian)可能發生(sheng)的(de)安(an)(an)全問題,優化調整施工方案(an)(an),從而確(que)保深(shen)基(ji)坑(keng)(keng)(keng)工程(cheng)(cheng)(cheng)(cheng)(cheng)的(de)安(an)(an)全順利竣工。

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膨脹性巖土地區工程地質勘察研究

摘(zhai)要:巖土(tu)(tu)工(gong)程(cheng)不僅具有(you)巖土(tu)(tu)裂隙(xi)(xi)性(xing),而且還具有(you)巖土(tu)(tu)孔隙(xi)(xi)性(xing)的特點,因此必須采用(yong)可行性(xing)的勘察技術。文(wen)章對巖土(tu)(tu)工(gong)程(cheng)的勘察內容、目的以及任(ren)務進行分析,探(tan)討了巖土(tu)(tu)工(gong)程(cheng)的勘察方法,以工(gong)程(cheng)實例(li)為例(li)探(tan)討了膨脹(zhang)性(xing)巖土(tu)(tu)地(di)區的工(gong)程(cheng)地(di)質(zhi)勘察方法。

關鍵詞(ci):膨脹(zhang)性巖土;地質勘(kan)察;案例分析

1巖(yan)土工程勘(kan)察的內(nei)容和(he)目(mu)的

巖(yan)土(tu)工程(cheng)勘(kan)察需(xu)要(yao)(yao)以建設(she)工程(cheng)的(de)(de)要(yao)(yao)求為(wei)依據,分析、評價場地(di)(di)情況得到結果。巖(yan)土(tu)工程(cheng)勘(kan)察需(xu)要(yao)(yao)調(diao)查地(di)(di)質(zhi)(zhi)條件,對地(di)(di)基(ji)(ji)的(de)(de)穩定性、強度以及(ji)承(cheng)載力進行分析,當(dang)需(xu)要(yao)(yao)進行地(di)(di)基(ji)(ji)加固(gu)時(shi),巖(yan)土(tu)工程(cheng)地(di)(di)質(zhi)(zhi)資料(liao)(liao)能為(wei)地(di)(di)基(ji)(ji)加固(gu)提(ti)供支持。巖(yan)土(tu)工程(cheng)的(de)(de)內容包括前期(qi)調(diao)查場地(di)(di)地(di)(di)質(zhi)(zhi),勘(kan)察、取樣、現場測試等(deng),除此之外(wai)還有(you)室內試驗、數(shu)據處理以及(ji)分析等(deng)[1]。巖(yan)土(tu)工程(cheng)的(de)(de)目的(de)(de)在于將建筑場地(di)(di)的(de)(de)地(di)(di)質(zhi)(zhi)情況了解清楚,為(wei)施工單(dan)位以及(ji)設(she)計單(dan)位提(ti)供相關資料(liao)(liao),從而(er)為(wei)建筑的(de)(de)安全(quan)性提(ti)供保障。

2巖土工程勘察方法(fa)與(yu)手段

2.1工(gong)(gong)程(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)繪。地(di)(di)(di)質(zhi)(zhi)(zhi)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)繪是(shi)為了(le)了(le)解場(chang)地(di)(di)(di)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)地(di)(di)(di)質(zhi)(zhi)(zhi)情(qing)況(kuang)(kuang)(kuang)(kuang),對(dui)(dui)(dui)(dui)(dui)(dui)(dui)地(di)(di)(di)質(zhi)(zhi)(zhi)環境與建筑之間的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)相(xiang)互影(ying)響以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)作(zuo)(zuo)用(yong)(yong)(yong)(yong)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)預(yu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)。地(di)(di)(di)質(zhi)(zhi)(zhi)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)繪獲(huo)取(qu)(qu)(qu)(qu)現(xian)(xian)(xian)場(chang)資料從(cong)而(er)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)工(gong)(gong)程(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)圖(tu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)編制,對(dui)(dui)(dui)(dui)(dui)(dui)(dui)出(chu)露(lu)條件(jian)比(bi)(bi)較好或(huo)者(zhe)基(ji)巖(yan)(yan)(yan)(yan)(yan)裸(luo)露(lu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)地(di)(di)(di)區,通過(guo)(guo)地(di)(di)(di)質(zhi)(zhi)(zhi)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)繪能(neng)(neng)(neng)(neng)充分(fen)發(fa)揮出(chu)其(qi)(qi)作(zuo)(zuo)用(yong)(yong)(yong)(yong)。2.2地(di)(di)(di)質(zhi)(zhi)(zhi)勘(kan)(kan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)與取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)。2.2.1勘(kan)(kan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)。勘(kan)(kan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)多樣(yang)(yang)(yang)(yang),有(you)(you)觸探(tan)(tan)(tan)(tan)(tan)(tan)(tan)、洞(dong)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)、槽(cao)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)、井(jing)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)、鉆(zhan)(zhan)(zhan)(zhan)深(shen)(shen)(shen)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)地(di)(di)(di)球物理(li)(li)(li)勘(kan)(kan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)等。確(que)(que)(que)定(ding)勘(kan)(kan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)綜合(he)考(kao)慮(lv)勘(kan)(kan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)地(di)(di)(di)區的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)特性(xing)(xing)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)勘(kan)(kan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de),例(li)如(ru)當(dang)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)強(qiang)度(du)(du)(du)較高(gao)、勘(kan)(kan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)深(shen)(shen)(shen)度(du)(du)(du)較深(shen)(shen)(shen)等時(shi)(shi)(shi)(shi)(shi)(shi)(shi),此(ci)(ci)(ci)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)就(jiu)不適合(he)使(shi)(shi)用(yong)(yong)(yong)(yong)靜(jing)力觸探(tan)(tan)(tan)(tan)(tan)(tan)(tan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)。以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)鉆(zhan)(zhan)(zhan)(zhan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)為例(li),鉆(zhan)(zhan)(zhan)(zhan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)任務包括:明確(que)(que)(que)風(feng)化(hua)帶的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)分(fen)布(bu)情(qing)況(kuang)(kuang)(kuang)(kuang)、層(ceng)(ceng)(ceng)(ceng)(ceng)厚(hou)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)深(shen)(shen)(shen)度(du)(du)(du);明確(que)(que)(que)軟弱土(tu)(tu)(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)質(zhi)(zhi)(zhi)、地(di)(di)(di)層(ceng)(ceng)(ceng)(ceng)(ceng)巖(yan)(yan)(yan)(yan)(yan)性(xing)(xing)和(he)厚(hou)度(du)(du)(du)變化(hua);弄清地(di)(di)(di)下(xia)(xia)(xia)水(shui)情(qing)況(kuang)(kuang)(kuang)(kuang);掌握地(di)(di)(di)層(ceng)(ceng)(ceng)(ceng)(ceng)斷(duan)(duan)裂帶以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)裂隙(xi)情(qing)況(kuang)(kuang)(kuang)(kuang);進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)原(yuan)(yuan)位(wei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan);長期(qi)觀測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)地(di)(di)(di)下(xia)(xia)(xia)水(shui)、開(kai)挖(wa)基(ji)槽(cao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)降水(shui)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)排(pai)水(shui)。鉆(zhan)(zhan)(zhan)(zhan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)分(fen)為三步:破(po)(po)碎(sui)(sui)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)體(ti),取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)最(zui)(zui)后(hou)(hou)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)加固孔(kong)壁[2]。鉆(zhan)(zhan)(zhan)(zhan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)過(guo)(guo)程(cheng)中(zhong)(zhong)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)意對(dui)(dui)(dui)(dui)(dui)(dui)(dui)鉆(zhan)(zhan)(zhan)(zhan)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)深(shen)(shen)(shen)度(du)(du)(du)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)分(fen)層(ceng)(ceng)(ceng)(ceng)(ceng)深(shen)(shen)(shen)度(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)精度(du)(du)(du)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)控制。通過(guo)(guo)回(hui)轉(zhuan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)式來(lai)(lai)(lai)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)鑒別(bie)孔(kong)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)孔(kong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)鉆(zhan)(zhan)(zhan)(zhan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)從(cong)而(er)獲(huo)得(de)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)本;使(shi)(shi)用(yong)(yong)(yong)(yong)振動(dong)回(hui)轉(zhuan)鉆(zhan)(zhan)(zhan)(zhan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)來(lai)(lai)(lai)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)含有(you)(you)塊石(shi)、卵石(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)鉆(zhan)(zhan)(zhan)(zhan)孔(kong)。對(dui)(dui)(dui)(dui)(dui)(dui)(dui)巖(yan)(yan)(yan)(yan)(yan)層(ceng)(ceng)(ceng)(ceng)(ceng)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)使(shi)(shi)用(yong)(yong)(yong)(yong)金剛石(shi)鉆(zhan)(zhan)(zhan)(zhan)頭,對(dui)(dui)(dui)(dui)(dui)(dui)(dui)風(feng)化(hua)破(po)(po)碎(sui)(sui)帶以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)軟質(zhi)(zhi)(zhi)巖(yan)(yan)(yan)(yan)(yan)可(ke)使(shi)(shi)用(yong)(yong)(yong)(yong)雙層(ceng)(ceng)(ceng)(ceng)(ceng)巖(yan)(yan)(yan)(yan)(yan)芯管(guan)鉆(zhan)(zhan)(zhan)(zhan)頭的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa);當(dang)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)在(zai)(zai)(zai)(zai)地(di)(di)(di)下(xia)(xia)(xia)水(shui)位(wei)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)上時(shi)(shi)(shi)(shi)(shi)(shi)(shi)需要(yao)(yao)(yao)(yao)(yao)(yao)(yao)使(shi)(shi)用(yong)(yong)(yong)(yong)干(gan)鉆(zhan)(zhan)(zhan)(zhan)。在(zai)(zai)(zai)(zai)濕(shi)陷性(xing)(xing)黃土(tu)(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)鉆(zhan)(zhan)(zhan)(zhan)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi),需要(yao)(yao)(yao)(yao)(yao)(yao)(yao)使(shi)(shi)用(yong)(yong)(yong)(yong)螺(luo)旋(xuan)鉆(zhan)(zhan)(zhan)(zhan)頭。2.2.2取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)。通過(guo)(guo)取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)獲(huo)取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)品(pin)并(bing)送(song)至(zhi)實(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)室(shi)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)檢(jian)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan),從(cong)而(er)明確(que)(que)(que)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)質(zhi)(zhi)(zhi)。取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)時(shi)(shi)(shi)(shi)(shi)(shi)(shi),取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)工(gong)(gong)具(ju)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)會對(dui)(dui)(dui)(dui)(dui)(dui)(dui)取(qu)(qu)(qu)(qu)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)擾動(dong)造(zao)成(cheng)(cheng)(cheng)影(ying)響。鉆(zhan)(zhan)(zhan)(zhan)孔(kong)取(qu)(qu)(qu)(qu)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)意取(qu)(qu)(qu)(qu)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)孔(kong)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)比(bi)(bi)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)大(da)一(yi)(yi)個(ge)等級,地(di)(di)(di)下(xia)(xia)(xia)水(shui)位(wei)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)上要(yao)(yao)(yao)(yao)(yao)(yao)(yao)使(shi)(shi)用(yong)(yong)(yong)(yong)干(gan)鉆(zhan)(zhan)(zhan)(zhan),使(shi)(shi)用(yong)(yong)(yong)(yong)提土(tu)(tu)(tu)(tu)(tu)(tu)(tu)器(qi)、螺(luo)旋(xuan)鉆(zhan)(zhan)(zhan)(zhan)頭、巖(yan)(yan)(yan)(yan)(yan)芯鉆(zhan)(zhan)(zhan)(zhan)頭等。當(dang)使(shi)(shi)用(yong)(yong)(yong)(yong)貫(guan)(guan)入(ru)式的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)取(qu)(qu)(qu)(qu)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)器(qi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)意:地(di)(di)(di)下(xia)(xia)(xia)水(shui)位(wei)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)下(xia)(xia)(xia)不能(neng)(neng)(neng)(neng)注(zhu)水(shui),優先考(kao)慮(lv)泥漿(jiang)護壁,當(dang)使(shi)(shi)用(yong)(yong)(yong)(yong)套(tao)管(guan)護壁時(shi)(shi)(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)意取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)位(wei)置(zhi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)(zai)套(tao)管(guan)底部下(xia)(xia)(xia)至(zhi)少1m,取(qu)(qu)(qu)(qu)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)器(qi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)緩(huan)慢下(xia)(xia)(xia)放,不能(neng)(neng)(neng)(neng)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)鉆(zhan)(zhan)(zhan)(zhan)孔(kong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)底部造(zao)成(cheng)(cheng)(cheng)沖擊;當(dang)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)碎(sui)(sui)石(shi)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)、砂土(tu)(tu)(tu)(tu)(tu)(tu)(tu)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)時(shi)(shi)(shi)(shi)(shi)(shi)(shi),采用(yong)(yong)(yong)(yong)四分(fen)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)來(lai)(lai)(lai)取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang),要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)意重(zhong)(zhong)(zhong)(zhong)量(liang)(liang)(liang)(liang)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)能(neng)(neng)(neng)(neng)夠進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)顆粒(li)(li)分(fen)析(xi)(xi);當(dang)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)Ⅰ級原(yuan)(yuan)裝(zhuang)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)時(shi)(shi)(shi)(shi)(shi)(shi)(shi),此(ci)(ci)(ci)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)(zai)0.1m/s的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)灌入(ru)速(su)度(du)(du)(du)下(xia)(xia)(xia)連續靜(jing)壓(ya)貫(guan)(guan)入(ru)取(qu)(qu)(qu)(qu)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)器(qi),當(dang)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)質(zhi)(zhi)(zhi)較硬(ying)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)可(ke)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)使(shi)(shi)用(yong)(yong)(yong)(yong)重(zhong)(zhong)(zhong)(zhong)錘少擊的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)來(lai)(lai)(lai)取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang),要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)意取(qu)(qu)(qu)(qu)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)管(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)深(shen)(shen)(shen)度(du)(du)(du)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)超過(guo)(guo)總(zong)長的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)90%;完(wan)成(cheng)(cheng)(cheng)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)取(qu)(qu)(qu)(qu)出(chu)后(hou)(hou),要(yao)(yao)(yao)(yao)(yao)(yao)(yao)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)封裝(zhuang),將(jiang)孔(kong)號、取(qu)(qu)(qu)(qu)樣(yang)(yang)(yang)(yang)深(shen)(shen)(shen)度(du)(du)(du)、土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)名稱以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)地(di)(di)(di)點等明確(que)(que)(que)標(biao)(biao)注(zhu),土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)不能(neng)(neng)(neng)(neng)冰凍、浸泡(pao)或(huo)者(zhe)暴曬,容器(qi)加蓋后(hou)(hou)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)使(shi)(shi)用(yong)(yong)(yong)(yong)膠帶或(huo)者(zhe)蠟進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)密(mi)(mi)封;土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)(zai)最(zui)(zui)短時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間內(nei)送(song)檢(jian),裝(zhuang)卸(xie)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)注(zhu)意輕(qing)拿輕(qing)放。2.3原(yuan)(yuan)位(wei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)。2.3.1波(bo)速(su)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)。這(zhe)一(yi)(yi)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)波(bo)速(su)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)現(xian)(xian)(xian)場(chang)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi),依據波(bo)速(su)來(lai)(lai)(lai)判斷(duan)(duan)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)質(zhi)(zhi)(zhi)。波(bo)速(su)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)在(zai)(zai)(zai)(zai)抗震分(fen)析(xi)(xi)、場(chang)地(di)(di)(di)類(lei)型劃分(fen)、基(ji)礎設(she)計參數(shu)(shu)、預(yu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)液化(hua)、明確(que)(que)(que)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)特征周期(qi)、巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)劃分(fen)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)檢(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)地(di)(di)(di)基(ji)加固質(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)中(zhong)(zhong)均有(you)(you)著重(zhong)(zhong)(zhong)(zhong)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)(yong)。絕大(da)多數(shu)(shu)巖(yan)(yan)(yan)(yan)(yan)石(shi)都可(ke)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)視為彈性(xing)(xing)體(ti),土(tu)(tu)(tu)(tu)(tu)(tu)(tu)體(ti)只(zhi)有(you)(you)在(zai)(zai)(zai)(zai)應變較小的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)候(hou)才能(neng)(neng)(neng)(neng)被視為彈性(xing)(xing)體(ti)。密(mi)(mi)閉空間中(zhong)(zhong)水(shui)才不可(ke)壓(ya)縮(suo),因(yin)此(ci)(ci)(ci)壓(ya)縮(suo)波(bo)能(neng)(neng)(neng)(neng)夠在(zai)(zai)(zai)(zai)飽和(he)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)傳播(bo)。剪(jian)(jian)(jian)切波(bo)只(zhi)能(neng)(neng)(neng)(neng)在(zai)(zai)(zai)(zai)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong)傳播(bo),其(qi)(qi)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)飽和(he)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)孔(kong)隙(xi)水(shui)穿透(tou)力不強(qiang),因(yin)此(ci)(ci)(ci)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)定(ding)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)體(ti)中(zhong)(zhong)波(bo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)速(su)度(du)(du)(du)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)主(zhu)(zhu)(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)是(shi)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)剪(jian)(jian)(jian)切波(bo)波(bo)速(su)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)定(ding)。剪(jian)(jian)(jian)切波(bo)速(su)現(xian)(xian)(xian)場(chang)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi),單體(ti)法(fa)(fa)(fa)(fa)是(shi)應用(yong)(yong)(yong)(yong)最(zui)(zui)為廣泛的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa),其(qi)(qi)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)結果在(zai)(zai)(zai)(zai)判斷(duan)(duan)碎(sui)(sui)石(shi)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)密(mi)(mi)實(shi)(shi)度(du)(du)(du)、抗震分(fen)析(xi)(xi)、地(di)(di)(di)基(ji)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)是(shi)否出(chu)現(xian)(xian)(xian)液化(hua)、液化(hua)等級以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)場(chang)地(di)(di)(di)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)類(lei)型進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)劃分(fen)等方(fang)(fang)(fang)(fang)(fang)面均非常常用(yong)(yong)(yong)(yong)。2.3.2標(biao)(biao)準貫(guan)(guan)入(ru)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)。將(jiang)重(zhong)(zhong)(zhong)(zhong)量(liang)(liang)(liang)(liang)為63.5kg的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)穿心錘放置(zhi)在(zai)(zai)(zai)(zai)勘(kan)(kan)查現(xian)(xian)(xian)場(chang)76cm的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)高(gao)度(du)(du)(du),對(dui)(dui)(dui)(dui)(dui)(dui)(dui)標(biao)(biao)準貫(guan)(guan)器(qi)打入(ru)30cm需要(yao)(yao)(yao)(yao)(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)次數(shu)(shu)即為標(biao)(biao)貫(guan)(guan)數(shu)(shu)N,據此(ci)(ci)(ci)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)程(cheng)性(xing)(xing)質(zhi)(zhi)(zhi)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)評估。這(zhe)一(yi)(yi)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)優勢在(zai)(zai)(zai)(zai)于適用(yong)(yong)(yong)(yong)性(xing)(xing)強(qiang)、操作(zuo)(zuo)簡單;其(qi)(qi)缺陷在(zai)(zai)(zai)(zai)于當(dang)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)層(ceng)(ceng)(ceng)(ceng)(ceng)中(zhong)(zhong)有(you)(you)較大(da)碎(sui)(sui)石(shi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)不能(neng)(neng)(neng)(neng)使(shi)(shi)用(yong)(yong)(yong)(yong),且數(shu)(shu)據離散性(xing)(xing)比(bi)(bi)較大(da),因(yin)此(ci)(ci)(ci)只(zhi)能(neng)(neng)(neng)(neng)大(da)概評估土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)程(cheng)性(xing)(xing)質(zhi)(zhi)(zhi)。2.3.3靜(jing)力觸探(tan)(tan)(tan)(tan)(tan)(tan)(tan)。這(zhe)一(yi)(yi)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)使(shi)(shi)用(yong)(yong)(yong)(yong)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)桿將(jiang)圓錐(zhui)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)頭按照(zhao)一(yi)(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)速(su)度(du)(du)(du)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)壓(ya)力壓(ya)入(ru)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)(zhong),對(dui)(dui)(dui)(dui)(dui)(dui)(dui)探(tan)(tan)(tan)(tan)(tan)(tan)(tan)頭所受阻(zu)力進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)記錄,從(cong)而(er)形(xing)成(cheng)(cheng)(cheng)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)物理(li)(li)(li)力學(xue)性(xing)(xing)質(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)間接(jie)認識。通過(guo)(guo)這(zhe)一(yi)(yi)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)能(neng)(neng)(neng)(neng)夠對(dui)(dui)(dui)(dui)(dui)(dui)(dui)地(di)(di)(di)基(ji)承(cheng)載(zai)力進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)確(que)(que)(que)定(ding),對(dui)(dui)(dui)(dui)(dui)(dui)(dui)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物理(li)(li)(li)力學(xue)性(xing)(xing)質(zhi)(zhi)(zhi)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)評價,對(dui)(dui)(dui)(dui)(dui)(dui)(dui)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)類(lei)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)定(ding)名以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)分(fen)層(ceng)(ceng)(ceng)(ceng)(ceng),還(huan)可(ke)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)分(fen)析(xi)(xi)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)是(shi)否會發(fa)生液化(hua),評估單樁的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)極限承(cheng)載(zai)力。2.4現(xian)(xian)(xian)場(chang)檢(jian)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)。現(xian)(xian)(xian)場(chang)檢(jian)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)工(gong)(gong)作(zuo)(zuo)包含驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)證勘(kan)(kan)察成(cheng)(cheng)(cheng)果以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)監(jian)(jian)(jian)(jian)管(guan)施(shi)工(gong)(gong)質(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)。就(jiu)前者(zhe)而(er)言,主(zhu)(zhu)(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)是(shi)施(shi)工(gong)(gong)過(guo)(guo)程(cheng)使(shi)(shi)用(yong)(yong)(yong)(yong)基(ji)坑開(kai)挖(wa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)來(lai)(lai)(lai)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)體(ti)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)判斷(duan)(duan)、評價,從(cong)而(er)直接(jie)了(le)解地(di)(di)(di)質(zhi)(zhi)(zhi)情(qing)況(kuang)(kuang)(kuang)(kuang),現(xian)(xian)(xian)場(chang)情(qing)況(kuang)(kuang)(kuang)(kuang)能(neng)(neng)(neng)(neng)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)勘(kan)(kan)察階段的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)成(cheng)(cheng)(cheng)果進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)修正以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)補(bu)(bu)充。當(dang)發(fa)現(xian)(xian)(xian)現(xian)(xian)(xian)場(chang)檢(jian)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)結果與勘(kan)(kan)察階段的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)成(cheng)(cheng)(cheng)果有(you)(you)一(yi)(yi)定(ding)差(cha)異時(shi)(shi)(shi)(shi)(shi)(shi)(shi),此(ci)(ci)(ci)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)勘(kan)(kan)察單位(wei)就(jiu)需要(yao)(yao)(yao)(yao)(yao)(yao)(yao)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)補(bu)(bu)勘(kan)(kan)。就(jiu)后(hou)(hou)者(zhe)而(er)言,主(zhu)(zhu)(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)是(shi)施(shi)工(gong)(gong)過(guo)(guo)程(cheng)中(zhong)(zhong)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)質(zhi)(zhi)(zhi)量(liang)(liang)(liang)(liang)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)監(jian)(jian)(jian)(jian)督以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)控制,例(li)如(ru)檢(jian)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)樁是(shi)否有(you)(you)檢(jian)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)報告、是(shi)否滿足要(yao)(yao)(yao)(yao)(yao)(yao)(yao)求等。現(xian)(xian)(xian)場(chang)監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)在(zai)(zai)(zai)(zai)建設(she)過(guo)(guo)程(cheng)中(zhong)(zhong)管(guan)理(li)(li)(li)、監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)任何可(ke)能(neng)(neng)(neng)(neng)會對(dui)(dui)(dui)(dui)(dui)(dui)(dui)工(gong)(gong)程(cheng)造(zao)成(cheng)(cheng)(cheng)不良影(ying)響的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)地(di)(di)(di)質(zhi)(zhi)(zhi)情(qing)況(kuang)(kuang)(kuang)(kuang),其(qi)(qi)目的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)在(zai)(zai)(zai)(zai)于確(que)(que)(que)保安全(quan),確(que)(que)(que)保工(gong)(gong)程(cheng)得(de)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)正常實(shi)(shi)施(shi),確(que)(que)(que)保工(gong)(gong)程(cheng)投入(ru)使(shi)(shi)用(yong)(yong)(yong)(yong)后(hou)(hou)不發(fa)生危險情(qing)況(kuang)(kuang)(kuang)(kuang)。現(xian)(xian)(xian)場(chang)監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)主(zhu)(zhu)(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)內(nei)容有(you)(you):監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)環境條件(jian),包括監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)水(shui)文地(di)(di)(di)質(zhi)(zhi)(zhi)條件(jian)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)工(gong)(gong)程(cheng)地(di)(di)(di)質(zhi)(zhi)(zhi)條件(jian)中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)素,重(zhong)(zhong)(zhong)(zhong)點要(yao)(yao)(yao)(yao)(yao)(yao)(yao)監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)那些(xie)可(ke)能(neng)(neng)(neng)(neng)會對(dui)(dui)(dui)(dui)(dui)(dui)(dui)工(gong)(gong)程(cheng)帶來(lai)(lai)(lai)威脅的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)地(di)(di)(di)質(zhi)(zhi)(zhi)現(xian)(xian)(xian)象,例(li)如(ru)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)洞(dong)、泥石(shi)流、崩塌以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)滑(hua)坡等;監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)施(shi)工(gong)(gong)過(guo)(guo)程(cheng)中(zhong)(zhong)巖(yan)(yan)(yan)(yan)(yan)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)在(zai)(zai)(zai)(zai)不同荷載(zai)下(xia)(xia)(xia)會出(chu)現(xian)(xian)(xian)何種變化(hua);工(gong)(gong)程(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)全(quan)程(cheng)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)運(yun)營(ying)過(guo)(guo)程(cheng)中(zhong)(zhong)監(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)結構物。2.5室(shi)內(nei)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)。室(shi)內(nei)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)主(zhu)(zhu)(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)有(you)(you)巖(yan)(yan)(yan)(yan)(yan)石(shi)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)及(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)工(gong)(gong)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan),土(tu)(tu)(tu)(tu)(tu)(tu)(tu)工(gong)(gong)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)可(ke)以(yi)(yi)(yi)(yi)(yi)(yi)(yi)(yi)獲(huo)得(de)土(tu)(tu)(tu)(tu)(tu)(tu)(tu)樣(yang)(yang)(yang)(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)些(xie)參數(shu)(shu),包括土(tu)(tu)(tu)(tu)(tu)(tu)(tu)粒(li)(li)比(bi)(bi)重(zhong)(zhong)(zhong)(zhong)、顆粒(li)(li)成(cheng)(cheng)(cheng)分(fen)、容重(zhong)(zhong)(zhong)(zhong)等。室(shi)內(nei)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)主(zhu)(zhu)(zhu)要(yao)(yao)(yao)(yao)(yao)(yao)(yao)有(you)(you)巖(yan)(yan)(yan)(yan)(yan)石(shi)吸水(shui)率(lv)、膨(peng)脹試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)、動(dong)力性(xing)(xing)質(zhi)(zhi)(zhi)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)、抗剪(jian)(jian)(jian)強(qiang)度(du)(du)(du)、壓(ya)縮(suo)固結試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)、物理(li)(li)(li)性(xing)(xing)質(zhi)(zhi)(zhi)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)等。試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)巖(yan)(yan)(yan)(yan)(yan)石(shi)使(shi)(shi)用(yong)(yong)(yong)(yong)巖(yan)(yan)(yan)(yan)(yan)塊來(lai)(lai)(lai)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)(yan)(yan)從(cong)而(er)對(dui)(dui)(dui)(dui)(dui)(dui)(dui)物理(li)(li)(li)力學(xue)性(xing)(xing)質(zhi)(zhi)(zhi)進(jin)(jin)(jin)(jin)(jin)(jin)(jin)行(xing)判斷(duan)(duan)。

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