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          想來(lai)這裏(li)obo導線(xian)槽LK4 80040 16m

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          • 想來(lai)這裏(li)obo導線(xian)槽LK4 80040 16m
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          想來(lai)這裏(li)obo導線(xian)槽LK4 80040 16m

          想來(lai)這裏(li)obo導線(xian)槽LK4 80040 16m

          常用型(xing)號(hao)

          obo塑(su)料(liao)管(guan)套0404685(2153912)
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          obo保護帽(mao)0515007,OBO BETT. Endtülle Iso 129 M50
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          obo安裝(zhuang)支(zhi)架5302492 (6116515)
          obo保護套113 M20 LGR / 2024063
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          obo安裝(zhuang)支架附件5211428(6116154)
          obo保護帽(mao)0515004,OBO BETT. Endtülle Iso 129 M25
          obo導線(xian)槽LK4 80040 16m
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          水利水電(dian)工(gong)程(cheng)是(shi)我(wo)國(guo)經(jing)濟建設(she)發展(zhan)中(zhong)壹項(xiang)十分重(zhong)要的組成(cheng)部分,是(shi)保證(zheng)我國(guo)現代化(hua)建(jian)設(she)可持續發展(zhan)的(de)基(ji)礎條件。近(jin)幾(ji)年(nian)來,水利水電(dian)工(gong)程(cheng)項(xiang)目越(yue)來越多(duo),相關部門(men)負責(ze)人(ren)也(ye)將(jiang)水利水電(dian)工(gong)程(cheng)建設(she)的重(zhong)點(dian)逐(zhu)漸(jian)轉移(yi)到了(le)基礎處(chu)理的(de)施(shi)工(gong)技術(shu)上(shang)來,同時也(ye)意識到提(ti)高(gao)水利水電(dian)工(gong)程(cheng)基礎處(chu)理的(de)施(shi)工(gong)技術(shu),才(cai)能(neng)全(quan)面(mian)提(ti)高(gao)工(gong)程(cheng)項(xiang)目整(zheng)體的質(zhi)量。本(ben)文就(jiu)通(tong)過(guo)對水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong)各(ge)環節(jie)技(ji)術特點(dian)的(de)分析(xi)來(lai)了(le)解,提(ti)高(gao)水利水電(dian)工(gong)程(cheng)建設(she)質(zhi)量的(de)具(ju)體方式(shi)方法(fa),探(tan)討(tao)其管理方(fang)法(fa)。

          關鍵(jian)詞:水利水電(dian)工(gong)程(cheng);施(shi)工(gong)技術(shu);管(guan)理措(cuo)施(shi)

          0引言

          水利水電(dian)工(gong)程(cheng)基礎處(chu)理的(de)施(shi)工(gong)技術(shu)是(shi)決(jue)定(ding)工(gong)程(cheng)質(zhi)量好(hao)壞(huai)的重(zhong)要(yao)標(biao)準。隨著我國(guo)水利水利工(gong)程(cheng)項(xiang)目的(de)不(bu)斷(duan)增加,對基(ji)礎處(chu)理施(shi)工(gong)技術(shu)的(de)要求(qiu)也(ye)越來越(yue)高(gao),這就(jiu)需(xu)要(yao)相關施(shi)工(gong)企業(ye)嚴(yan)格控制(zhi)施(shi)工(gong)過程(cheng)中(zhong)的技術(shu),提(ti)高(gao)施(shi)工(gong)技術(shu)水平(ping),保證(zheng)水利水電(dian)工(gong)程(cheng)的後序(xu)施(shi)工(gong)得以順利完(wan)成(cheng)。

          1水利水電(dian)工(gong)程(cheng)施(shi)工(gong)內(nei)容(rong)及(ji)特點(dian)

          1.1水利水電(dian)工(gong)程(cheng)施(shi)工(gong)內(nei)容(rong)

          水利水電(dian)工(gong)程(cheng)基礎處(chu)理的(de)施(shi)工(gong)是(shi)十(shi)分重(zhong)要的。先,在施(shi)工(gong)前(qian)要(yao)對施(shi)工(gong)現場(chang)進(jin)行(xing)實地(di)的勘查,分析(xi)施(shi)工(gong)區域內(nei)的(de)地(di)質(zhi)環境(jing)及(ji)地(di)質(zhi)情況,並且(qie)根據勘查的(de)分析(xi)結(jie)果設(she)計繪制(zhi)出科(ke)學合(he)理的(de)施(shi)工(gong)設(she)計圖。其(qi)次(ci),對於(yu)特(te)殊(shu)的(de)施(shi)工(gong)區域(如山(shan)區、盆地(di)等地(di)區),在施(shi)工(gong)前(qian)要(yao)對區域內(nei)構成(cheng)這壹形(xing)態的(de)地(di)形(xing)地(di)質(zhi)環境(jing)進(jin)行(xing)勘測(ce),對於(yu)具(ju)有高(gao)危(wei)險性(xing)的作(zuo)業區域要在施(shi)工(gong)前(qian)做(zuo)好安(an)全(quan)措(cuo)施(shi),將(jiang)事(shi)故的(de)發生率降低(di)。再次,在(zai)施(shi)工(gong)前(qian)要(yao)將(jiang)區域內(nei)的(de)雜(za)物進(jin)行(xing)理清(qing)理,保證(zheng)施(shi)工(gong)環境(jing)的(de)清潔度,提(ti)高(gao)施(shi)工(gong)的安(an)全(quan)性(xing)。後,由(you)於(yu)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)時所(suo)需(xu)材料(liao)、設(she)備較(jiao)多(duo),因此(ci)要對其(qi)進(jin)行(xing)有序(xu)的(de)編排和(he)存(cun)放(fang),對於(yu)施(shi)工(gong)人(ren)員(yuan)較(jiao)密集(ji)的(de)區域,在施(shi)工(gong)前(qian)要(yao)設(she)置(zhi)安全(quan)出口(kou),以保證(zheng)施(shi)工(gong)人(ren)員(yuan)的安(an)全。另(ling)外(wai),在(zai)施(shi)工(gong)場(chang)地(di)內(nei)較(jiao)為明顯的區域要安放(fang)警示(shi)標(biao)語,防止施(shi)工(gong)中(zhong)人(ren)員(yuan)誤入(ru)造成(cheng)傷害。除(chu)此之外(wai),對於(yu)山(shan)道(dao)、橋梁等對施(shi)工(gong)設(she)備有(you)特(te)殊(shu)要求的(de)區域,要在施(shi)工(gong)前(qian)進(jin)行(xing)合(he)理的(de)規(gui)劃(hua),以免延(yan)誤(wu)工(gong)期。

          1.2水利水電(dian)工(gong)程(cheng)施(shi)工(gong)特點(dian)

          近(jin)幾(ji)年(nian)隨著我國(guo)經(jing)濟建設(she)的發(fa)展(zhan),水利水電(dian)工(gong)程(cheng)更顯其重(zhong)要(yao)性(xing)。水利水電(dian)工(gong)程(cheng)建設(she)的質(zhi)量好(hao)壞(huai)直接(jie)影(ying)響(xiang)著社會建(jian)設(she)速度。壹般而言,水利水電(dian)工(gong)程(cheng)具(ju)有施(shi)工(gong)周期長、投資大、連接部門(men)較(jiao)多(duo)、受地(di)質(zhi)環境(jing)因(yin)素較(jiao)大等特點(dian),因(yin)此(ci)在(zai)水利水電(dian)基礎處(chu)理施(shi)工(gong)前(qian),壹(yi)定(ding)要綜(zong)合(he)考(kao)慮(lv)工(gong)程(cheng)項(xiang)目建(jian)設(she)的具(ju)體情況,結(jie)合(he)我(wo)國(guo)法(fa)律(lv)法(fa)規(gui)要求(qiu),統壹(yi)完(wan)善(shan)施(shi)工(gong)技術(shu)標(biao)準。另(ling)外(wai),由(you)於(yu)受(shou)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)特點(dian)的(de)限制(zhi),使施(shi)工(gong)整(zheng)體的結構形(xing)式(shi)變得較(jiao)為復(fu)雜(za),因此(ci)對施(shi)工(gong)技術(shu)的(de)實際應(ying)用能(neng)力(li)要求(qiu)就(jiu)更(geng)高(gao)。同時,在(zai)水利水電(dian)工(gong)程(cheng)基礎結構施(shi)工(gong)中(zhong),必須以實際情況為出發(fa)點(dian),從工(gong)程(cheng)地(di)質(zhi)條件,工(gong)程(cheng)需求、工(gong)程(cheng)荷(he)載能(neng)力(li)及自(zi)重承(cheng)受能(neng)力(li)等多(duo)方面(mian)進(jin)行(xing)考量(liang),完(wan)善(shan)施(shi)工(gong)前(qian)的(de)準備(bei)工(gong)作(zuo),設(she)計出科(ke)學合(he)理的(de)施(shi)工(gong)方案(an)。確保在降低(di)工(gong)程(cheng)安全隱(yin)患(huan)的(de)基(ji)礎上,提(ti)高(gao)工(gong)程(cheng)施(shi)工(gong)質(zhi)量。

          2水利水電(dian)工(gong)程(cheng)施(shi)工(gong)管理的(de)必要性(xing)

          在水利水電(dian)工(gong)程(cheng)建設(she)中(zhong),如果(guo)工(gong)程(cheng)地(di)基的(de)建(jian)設(she)達不(bu)到標(biao)準要(yao)求(qiu),就(jiu)會使其(qi)無法(fa)承(cheng)載地(di)面(mian)上建(jian)築物所帶(dai)來的壓力(li),從而造成(cheng)土(tu)質(zhi)層的(de)下(xia)沈(chen)和(he)塌(ta)陷(xian),給水利水電(dian)建築(zhu)物的使用帶(dai)來諸多(duo)的安(an)全隱患(huan)。例(li)如:如果(guo)在水利水電(dian)工(gong)程(cheng)施(shi)工(gong)中(zhong)地(di)基的(de)土(tu)層(ceng)較(jiao)軟、地(di)基建(jian)設(she)的強(qiang)度達不(bu)到建(jian)築物承(cheng)載要求(qiu),就(jiu)會對整(zheng)個(ge)水利水電(dian)工(gong)程(cheng)施(shi)工(gong)質(zhi)量造成(cheng)較(jiao)大的影響,甚還(hai)會因(yin)地(di)基土(tu)質(zhi)層的(de)施(shi)工(gong)問題(ti)使地(di)面(mian)建築(zhu)物在長期的(de)應(ying)用中(zhong)出現整(zheng)體下沈(chen)、偏移等問題(ti)。另(ling)外(wai),如果(guo)在水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong)的土質(zhi)環境(jing)透(tou)水性(xing)能(neng)較(jiao)好(hao),就(jiu)會造成(cheng)諸(zhu)多(duo)的碎(sui)石層和(he)礫石層,從而使工(gong)程(cheng)出現嚴重(zhong)的(de)積水、滲(shen)水情況,大大降低(di)了(le)水利水電(dian)工(gong)程(cheng)的安全(quan)性(xing)。因此(ci),針對這壹問(wen)題可以看出,在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),必須結(jie)合(he)工(gong)程(cheng)建設(she)的實際需求選擇(ze)適合(he)的(de)施(shi)工(gong)方案(an),同時註重(zhong)施(shi)工(gong)技術(shu)性(xing)及標(biao)準性(xing)的選(xuan)擇(ze),大程(cheng)度上確保水利水電(dian)工(gong)程(cheng)建設(she)的質(zhi)量安(an)全(quan),提(ti)高(gao)水利水電(dian)工(gong)程(cheng)的實用能(neng)力(li)。另(ling)外(wai),由(you)於(yu)受(shou)多(duo)種地(di)質(zhi)環境(jing)因(yin)素的影響,在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong)常會出現諸多(duo)問題(ti),對整(zheng)體工(gong)程(cheng)造成(cheng)不(bu)小(xiao)的(de)影(ying)響(xiang)。同時,基(ji)礎處(chu)理施(shi)工(gong)技術(shu)作(zuo)為水利水電(dian)工(gong)程(cheng)建設(she)中(zhong)壹個(ge)特殊(shu)的(de)施(shi)工(gong)環節(jie),對提(ti)高(gao)工(gong)程(cheng)整(zheng)體質(zhi)量具(ju)有著十分重(zhong)要的意義(yi)。因(yin)此在施(shi)工(gong)技選(xuan)擇(ze)上(shang),要(yao)針對不(bu)同同的工(gong)程(cheng)需求選(xuan)擇(ze)合(he)理的(de)基(ji)礎處(chu)理施(shi)工(gong)技術(shu),以確保後序工(gong)程(cheng)可以順利進(jin)行(xing)。

          3水利水電(dian)工(gong)程(cheng)施(shi)工(gong)中(zhong)存在的(de)問題(ti)

          基礎處(chu)理施(shi)工(gong)技術(shu)是(shi)水利水電(dian)工(gong)程(cheng)建設(she)質(zhi)量安(an)全(quan)的(de)重要保障,在現階段(duan)的(de)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),是(shi)存(cun)在(zai)著某些(xie)影(ying)響(xiang)因(yin)素的,如:

          3.1工(gong)程(cheng)地(di)基穩定(ding)性(xing)的影(ying)響(xiang)

          水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong)地(di)基的(de)穩定(ding)性(xing)因素(su)直(zhi)接(jie)決定(ding)著工(gong)程(cheng)的地(di)質(zhi)環境(jing)及(ji)形(xing)態結(jie)構,如果(guo)在施(shi)工(gong)中(zhong)地(di)基不(bu)穩定(ding),就(jiu)會使整(zheng)體的抗滑性(xing)能(neng)大大降低(di),在(zai)這種條件下(xia),勢(shi)必會對水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)造成(cheng)技(ji)術(shu)上(shang)的影(ying)響。另(ling)外(wai),如果(guo)在基礎處(chu)理施(shi)工(gong)過程(cheng)中(zhong)出現流砂(sha)形(xing)態的(de)地(di)質(zhi)問題(ti)時(shi),則(ze)會導(dao)致工(gong)程(cheng)在建設(she)中(zhong)出現不(bu)同程(cheng)度的沈(chen)降問(wen)題(ti),嚴(yan)重影響(xiang)了(le)工(gong)程(cheng)質(zhi)量,從而使水利水電(dian)工(gong)程(cheng)的穩定(ding)性(xing)能(neng)無(wu)法(fa)受到保障。

          3.2工(gong)程(cheng)沈(chen)降控(kong)制(zhi)的(de)影(ying)響(xiang)

          壹(yi)般情況下(xia),在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),沈(chen)降問(wen)題(ti)是(shi)無(wu)法(fa)避(bi)免的(de)壹個(ge)影響(xiang)因(yin)素。這主要(yao)是(shi)由(you)於(yu)在(zai)工(gong)程(cheng)建設(she)中(zhong)受邊(bian)緣泥沙(sha)和(he)太湖流雜(za)質(zhi)自(zi)然沈(chen)積,使陸(lu)面(mian)與(yu)江流來(lai)沙(sha)沈(chen)積層(ceng)越(yue)來(lai)越厚(hou)的(de)因素(su)的影(ying)響。因此(ci)在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),先要對這壹情況引起(qi)高(gao)度的重視,如果(guo)重視程(cheng)度不(bu)足或(huo)是(shi)在(zai)施(shi)工(gong)前(qian)沒(mei)有(you)做(zuo)好有(you)效的(de)沈(chen)降防(fang)範措施(shi),都會導(dao)致工(gong)程(cheng)建設(she)中(zhong)出現沈(chen)降、塌(ta)陷(xian)的問題(ti),對工(gong)程(cheng)質(zhi)量造成(cheng)極(ji)大的安全隱患(huan)。

          3.3工(gong)程(cheng)基礎地(di)基滲(shen)水問(wen)題(ti)

          由於(yu)水利水電(dian)工(gong)程(cheng)建設(she)中(zhong)涉(she)及(ji)的(de)施(shi)工(gong)範圍較(jiao)廣(guang)。對於(yu)壹(yi)些(xie)山(shan)區、陡坡(po)上建(jian),設(she)的水利水電(dian)工(gong)程(cheng)來講(jiang),如果(guo)在基礎處(chu)理施(shi)工(gong)中(zhong)地(di)理位置(zhi)的選(xuan)擇(ze)不(bu)合(he)理,或(huo)是(shi)工(gong)程(cheng)接觸位置(zhi)所留的空隙(xi)較(jiao)大,就(jiu)會造成(cheng)地(di)基的(de)滲(shen)水情況,甚會導(dao)致大面(mian)積的(de)施(shi)工(gong)區域積水現象(xiang),這種現象(xiang)的發(fa)生會直(zhi)接影(ying)響著水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)質(zhi)量。另(ling)外(wai),由(you)於(yu)地(di)理位置(zhi)的特(te)殊性(xing),如果(guo)在施(shi)工(gong)中(zhong)沒(mei)有(you)有(you)及時對陡坡(po)位置(zhi)出現的滲(shen)水問(wen)題(ti)進(jin)行(xing)解決,還(hai)會造成(cheng)嚴(yan)重(zhong)的(de)工(gong)程(cheng)事(shi)故。也(ye)就(jiu)是(shi)說(shuo),在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),必須要(yao)考(kao)慮(lv)到地(di)基滲(shen)水的(de)問(wen)題。

          4水利水電(dian)工(gong)程(cheng)施(shi)工(gong)技術(shu)實例(li)

          水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)受周期長、地(di)質(zhi)環境(jing)復(fu)雜(za)等多(duo)方面(mian)的影(ying)響,除(chu)了(le)在施(shi)工(gong)前(qian)要(yao)做(zuo)好切(qie)實的(de)準備(bei)工(gong)作(zuo)外(wai),施(shi)工(gong)技術(shu)的(de)嚴格把控(kong)也(ye)是(shi)十(shi)分重(zhong)要的壹個(ge)環節(jie)。

          4.1工(gong)程(cheng)概況

          2018年(nian)下半年(nian),某工(gong)程(cheng)施(shi)工(gong)企業(ye)承(cheng)接了(le)壹項(xiang)水利水電(dian)工(gong)程(cheng)建設(she)項(xiang)目,該(gai)工(gong)程(cheng)施(shi)工(gong)場(chang)地(di)為地(di)理環境(jing)較(jiao)為復(fu)雜(za)的區域內(nei),同時由(you)於(yu)該(gai)地(di)區的土層結(jie)構影響,對水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)技術(shu)要(yao)求較(jiao)為嚴格。另(ling)外(wai),受(shou)地(di)下水位的(de)影(ying)響(xiang),該(gai)工(gong)程(cheng)項(xiang)目對穩固(gu)性(xing)的也(ye)提(ti)出了(le)具(ju)體的要求。針對該(gai)工(gong)程(cheng)的需求(qiu),施(shi)工(gong)企業(ye)通(tong)過分析(xi)和(he)計算,在(zai)施(shi)工(gong)技術(shu)方(fang)面(mian)進(jin)行(xing)了(le)改進(jin)和(he)嚴(yan)格的把控(kong)。

          4.2工(gong)程(cheng)施(shi)工(gong)設(she)計

          針對工(gong)程(cheng)施(shi)工(gong)需求(qiu),該(gai)企(qi)業(ye)在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)前(qian),要(yao)對工(gong)程(cheng)施(shi)工(gong)的現場(chang)進(jin)行(xing)勘測(ce),先取(qu)區域內(nei)的(de)土(tu)質(zhi)進(jin)行(xing)分析(xi),根據土質(zhi)要求(qiu),結(jie)合(he)工(gong)程(cheng)建築物的使用要(yao)求(qiu),對地(di)基進(jin)行(xing)承(cheng)載力(li)的分析(xi)及(ji)設(she)計,確保設(she)計方案(an)能(neng)夠(gou)滿(man)足於(yu)建(jian)築(zhu)物的長期使用要(yao)求(qiu)。另(ling)外(wai),對該(gai)施(shi)工(gong)現場(chang)進(jin)行(xing)工(gong)程(cheng)放(fang)樣,確定(ding)施(shi)工(gong)的準確位置(zhi)。以便工(gong)程(cheng)設(she)計方案(an)與(yu)實際的工(gong)程(cheng)施(shi)工(gong)需求(qiu)相吻(wen)合(he),為保證(zheng)工(gong)程(cheng)質(zhi)量奠(dian)定(ding)良好的基礎。

          4.3工(gong)程(cheng)錨固(gu)施(shi)工(gong)技術(shu)

          錨(mao)固(gu)施(shi)工(gong)技術(shu),是(shi)指在(zai)工(gong)程(cheng)施(shi)工(gong)中(zhong)對地(di)基穩定(ding)性(xing)的壹(yi)種(zhong)加(jia)固(gu)技(ji)術(shu)。在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),常常會受(shou)到各(ge)種(zhong)因素(su)的(de)影響,使施(shi)工(gong)過程(cheng)中(zhong)出現諸多(duo)的沈(chen)降問(wen)題(ti)。近(jin)年(nian)來錨(mao)固(gu)技(ji)術(shu)被(bei)越來(lai)越多(duo)地(di)應(ying)用於(yu)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),它可以避(bi)免施(shi)工(gong)中(zhong)地(di)形(xing)因素(su)對施(shi)工(gong)質(zhi)量的(de)影(ying)響(xiang),同時提(ti)高(gao)基礎處(chu)理施(shi)工(gong)地(di)基的(de)穩定(ding)性(xing)能(neng)。另(ling)外(wai),采用錨(mao)固(gu)技(ji)術(shu)還(hai)可以減少(shao)地(di)形(xing)因素(su)對地(di)基產(chan)生的壓力(li)影響(xiang)。因(yin)此(ci)在進(jin)行(xing)錨固(gu)技(ji)術(shu)施(shi)工(gong)時,先(xian)施(shi)工(gong)人(ren)員(yuan)要對施(shi)工(gong)現場(chang)情況進(jin)行(xing)勘測(ce),同時運(yun)用的(de)設(she)備儀(yi)器(qi)對現場(chang)的(de)地(di)質(zhi)環境(jing)及(ji)數(shu)據進(jin)行(xing)分析(xi)和(he)計算,對現場(chang)的(de)數(shu)據資料進(jin)行(xing)完(wan)善(shan)和(he)收(shou)集(ji),確保錨固(gu)技(ji)術(shu)的(de)施(shi)工(gong)作(zuo)業可以順利開展。其次,在(zai)施(shi)工(gong)中(zhong),先將(jiang)錨矸的壹端(duan)連(lian)接到建(jian)築物上,或(huo)是(shi)連(lian)接(jie)到土(tu)糟內(nei),通(tong)過(guo)錨桿(gan)與(yu)地(di)基連(lian)接(jie)的(de)錨固(gu)拉(la)力(li),來穩固(gu)工(gong)程(cheng)地(di)下的(de)結(jie)構,確保施(shi)工(gong)可以順利進(jin)行(xing)。

          4.4工(gong)程(cheng)註漿施(shi)工(gong)技術(shu)

          註漿施(shi)工(gong)技術(shu)是(shi)水利水電(dian)基礎處(chu)理施(shi)工(gong)中(zhong)壹項(xiang)技術(shu)要求較(jiao)為嚴格的環節(jie),它(ta)主要分為幾種(zhong)形(xing)式(shi):先,是(shi)高(gao)壓註漿方(fang)式(shi)。這種方(fang)式(shi)常被(bei)應(ying)用於(yu)巖(yan)溶(rong)地(di)區的施(shi)工(gong)中(zhong),高(gao)壓註漿技(ji)術是(shi)壹(yi)種(zhong)密實度較(jiao)高(gao)的漿體,具(ju)有普(pu)遍的(de)應(ying)用性(xing)。另(ling)外(wai),高(gao)壓註漿方(fang)式(shi)在作(zuo)業時(shi)可以使昆(kun)凝(ning)土(tu)泥漿以條形(xing)的狀態(tai)註入(ru)到土(tu)層中(zhong),使其(qi)形(xing)成(cheng)壹(yi)個(ge)網狀結(jie)構形(xing)態。這種形(xing)態尤(you)其(qi)適用於(yu)巖(yan)溶(rong)地(di)區的水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong)。另(ling)外(wai),因(yin)為它具(ju)有穩定(ding)性(xing)強(qiang)、防滑性(xing)強(qiang)的特(te)點(dian),可以有效避(bi)免地(di)基出現滲水問(wen)題(ti),大大提(ti)高(gao)了(le)巖溶(rong)地(di)區工(gong)程(cheng)地(di)基的(de)承(cheng)載能(neng)力(li)。其次(ci),為滿足壹些(xie)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)需求(qiu),還(hai)可以采用高(gao)壓旋轉式(shi)註漿方(fang)式(shi)達到目(mu)的,這種方(fang)式(shi)是(shi)在(zai)高(gao)壓註漿的(de)基礎之上,在機械(xie)鉆(zuan)機的(de)鉆(zuan)頭(tou)上裝(zhuang)置(zhi)壹個(ge)高(gao)壓噴嘴,同時運(yun)用高(gao)壓泵加(jia)壓的原(yuan)理在(zai)機械(xie)深入(ru)地(di)下作(zuo)業時(shi)噴出混(hun)凝土(tu)泥漿。另(ling)外(wai),在(zai)機械(xie)鉆(zuan)入(ru)土層(ceng)作(zuo)業期(qi)間,機械(xie)的鉆(zuan)頭(tou)還(hai)可以根據工(gong)程(cheng)需求改變原有(you)土層的結(jie)構形(xing)態,使混(hun)凝土(tu)泥漿與(yu)土層充(chong)分融合(he)。除(chu)此(ci)之外(wai),隨著機械(xie)鉆(zuan)頭(tou)不(bu)斷(duan)向(xiang)上提(ti)升(sheng),可以在巖(yan)溶(rong)地(di)區的土層中(zhong)形(xing)成(cheng)壹(yi)個(ge)十分穩固(gu)的(de)結(jie)構體系,從而提(ti)高(gao)了(le)地(di)基的(de)穩定(ding)性(xing)能(neng),為後序(xu)施(shi)工(gong)的順利開展提(ti)供(gong)支(zhi)持(chi)。後(hou),深(shen)層巖溶(rong)地(di)區的基礎處(chu)理施(shi)工(gong)技術(shu)是(shi)提(ti)高(gao)整(zheng)體工(gong)程(cheng)質(zhi)量安(an)全(quan)的(de)重點(dian),因(yin)此(ci)對於(yu)深(shen)層(ceng)巖(yan)溶(rong)地(di)區的處(chu)理方(fang)式(shi),普(pu)遍情況下(xia)是(shi)采用基(ji)礎註漿的(de)方式(shi)對巖(yan)溶(rong)地(di)區周邊(bian)的結(jie)構進(jin)行(xing)澆築處(chu)理。從而使巖(yan)溶(rong)地(di)區的周邊(bian)區域形(xing)成(cheng)壹(yi)個(ge)較(jiao)大的排擠壓力(li)。使其(qi)在壓力(li)的作(zuo)用下(xia),混(hun)凝土(tu)泥漿與(yu)巖溶(rong)地(di)區土層內(nei)的(de)其(qi)它物質(zhi)相結合(he)並硬化,達(da)到穩固(gu)地(di)基的(de)目(mu)的(de)。

          4.5工(gong)程(cheng)可液化土層(ceng)處(chu)理技(ji)術(shu)

          在水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),機械(xie)設(she)備作(zuo)業時(shi)的振(zhen)動(dong)會導(dao)致壹些(xie)土(tu)層(ceng)結(jie)構較(jiao)差(cha)區域內(nei)位的(de)地(di)下水位上(shang)升(sheng)。在地(di)下水位不(bu)斷(duan)上(shang)升(sheng)的過(guo)程(cheng)中(zhong),土層的(de)抗剪強(qiang)度就(jiu)會不(bu)斷(duan)下(xia)降。待(dai)土(tu)層強(qiang)度下降到了(le)壹定(ding)的標(biao)準後(hou),該(gai)區域內(nei)的(de)地(di)基就(jiu)會出現塌(ta)陷(xian)、滑方(fang)、沈(chen)降問(wen)題(ti)。因(yin)此針對這壹問(wen)題,施(shi)工(gong)人(ren)員(yuan)在施(shi)工(gong)前(qian)對可能(neng)會出現液化(hua)問(wen)題的(de)土層進(jin)行(xing)詳細(xi)的(de)勘查和(he)確定(ding)。同時根據具(ju)體的液化狀態(tai)制(zhi)定(ding)出了(le)行(xing)之有效的(de)處(chu)理措(cuo)施(shi)。另(ling)外(wai),施(shi)工(gong)人(ren)員(yuan)還(hai)將(jiang)具(ju)有防滲透(tou)能(neng)力(li)和(he)防(fang)腐(fu)蝕(shi)能(neng)力(li)的施(shi)工(gong)材質(zhi)放(fang)置(zhi)到可能(neng)會出現液化(hua)的(de)土層(ceng)中(zhong),並待(dai)材(cai)質(zhi)放(fang)入後(hou)對土(tu)層進(jin)行(xing)壓實處(chu)理。除(chu)此(ci)之外(wai),施(shi)工(gong)人(ren)員(yuan)還(hai)采用在(zai)土(tu)層四周加設(she)混(hun)凝土(tu)圍(wei)墻(qiang)的方式(shi),對流(liu)動(dong)性(xing)較(jiao)大的土層進(jin)行(xing)穩固(gu)。另(ling)外(wai),對於(yu)部分地(di)質(zhi)環境(jing)較(jiao)為特殊(shu)的(de)區域,還(hai)可以直接(jie)穿(chuan)過(guo)液化(hua)土層設(she)置(zhi)砂(sha)樁(zhuang)和(he)砂(sha)井裝置(zhi)。

          4.6工(gong)程(cheng)預應(ying)力(li)管樁(zhuang)施(shi)工(gong)技術(shu)

          預(yu)應(ying)力(li)管樁(zhuang)施(shi)工(gong)技術(shu)對提(ti)高(gao)地(di)基穩定(ding)性(xing)具(ju)有著十分重(zhong)要的意義(yi)。隨著我國(guo)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)技術(shu)的(de)發展(zhan)與(yu)進(jin)步,預應(ying)力(li)管樁(zhuang)技(ji)術(shu)水平(ping)也(ye)得到了(le)快速的提(ti)高(gao)。目前(qian)預(yu)應(ying)力(li)管樁(zhuang)技(ji)術(shu)在實際施(shi)工(gong)中(zhong)常采用靜壓法(fa)技術(shu)、射水法(fa)技術(shu)及震(zhen)動(dong)法(fa)技術(shu)三(san)種(zhong)。另(ling)外(wai),預(yu)應(ying)力(li)管樁(zhuang)施(shi)工(gong)技術(shu)主(zhu)要由(you)兩個(ge)部分組成(cheng),即(ji):先張(zhang)法(fa)預應(ying)力(li)管樁(zhuang)技(ji)術(shu)和(he)後(hou)張(zhang)法(fa)預應(ying)力(li)管樁(zhuang)技(ji)術(shu)。在水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),針對不(bu)同的施(shi)工(gong)要求(qiu)選(xuan)擇(ze)不(bu)同的預(yu)應(ying)力(li)管樁(zhuang)技(ji)術(shu)。從而有(you)效提(ti)高(gao)管樁沈(chen)降施(shi)工(gong)的質(zhi)量及(ji)施(shi)工(gong)效率(lv)。

          5水利水電(dian)工(gong)程(cheng)施(shi)工(gong)技術(shu)安(an)全管(guan)理措(cuo)施(shi)

          對水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)階段(duan)各(ge)項(xiang)技術(shu)措施(shi)進(jin)行(xing)管理是(shi)提(ti)高(gao)工(gong)程(cheng)質(zhi)量的(de)核(he)心(xin)內(nei)容(rong)。也(ye)是(shi)水利水電(dian)工(gong)程(cheng)建設(she)發展(zhan)的(de)重(zhong)要標(biao)誌(zhi)。

          5.1建(jian)立健全的(de)施(shi)工(gong)管理制(zhi)度

          所謂(wei)的無(wu)制(zhi)度不(bu)成(cheng)方(fang)圓(yuan),在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),建立完(wan)善(shan)的管理制(zhi)度是(shi)提(ti)高(gao)工(gong)程(cheng)質(zhi)量的(de)必要條件。因(yin)此(ci),先(xian)要(yao)施(shi)工(gong)前(qian)企(qi)業(ye)要(yao)對施(shi)工(gong)人(ren)員(yuan)進(jin)行(xing)職責(ze)的明確劃(hua)分,避(bi)免在(zai)施(shi)工(gong)中(zhong)出現混(hun)亂(luan)問(wen)題(ti)。其次(ci)由於(yu)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)周期較(jiao)長(chang)、技術(shu)形(xing)式(shi)較(jiao)為復(fu)雜(za)。因此(ci)施(shi)工(gong)企業(ye)在(zai)施(shi)工(gong)前(qian)要(yao)進(jin)行(xing)技術(shu)交(jiao)底,讓(rang)施(shi)工(gong)人(ren)員(yuan)明確施(shi)工(gong)需求(qiu)及(ji)技術(shu)需(xu)求(qiu),嚴格按照(zhao)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)技術(shu)標(biao)準進(jin)行(xing)操作(zuo)。另(ling)外(wai),在(zai)施(shi)工(gong)階段(duan),企(qi)業內(nei)各(ge)部門(men)間要(yao)進(jin)行(xing)有效的(de)連接(jie)和(he)溝(gou)通(tong),共同促(cu)進(jin)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)工(gong)作(zuo)的順利開展。

          5.2加強(qiang)技術(shu)監(jian)督管(guan)理力(li)度

          加強(qiang)施(shi)工(gong)技術(shu)的(de)監(jian)督管(guan)理工(gong)作(zuo)是(shi)完(wan)善(shan)技術水平(ping)的(de)重(zhong)要(yao)內(nei)容(rong)。在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),根據實際施(shi)工(gong)要求(qiu),在(zai)原有(you)的(de)施(shi)工(gong)技術(shu)基(ji)礎之上要積極(ji)引入的技(ji)術,全(quan)面(mian)引用網(wang)絡現代化(hua)施(shi)工(gong)技術(shu),提(ti)升(sheng)施(shi)工(gong)質(zhi)量。另(ling)外(wai),在(zai)施(shi)工(gong)中(zhong)要嚴格控制(zhi)技(ji)術(shu)人(ren)員(yuan)的水平(ping),對施(shi)工(gong)中(zhong)各(ge)環節(jie)進(jin)行(xing)跟蹤監(jian)管,確保施(shi)工(gong)可以在規(gui)定(ding)時間內(nei)完(wan)成(cheng)。後(hou),技(ji)術(shu)管理人(ren)員(yuan)要清(qing)楚地(di)知道各(ge)種(zhong)施(shi)工(gong)技術(shu)在(zai)實際應(ying)用中(zhong)的變化情況,確保各(ge)階段(duan)的(de)施(shi)工(gong)技術(shu)能(neng)夠(gou)*符(fu)合(he)工(gong)程(cheng)實際需求,從而達(da)到提(ti)升(sheng)施(shi)工(gong)質(zhi)量的(de)目(mu)的(de)。

          5.3加強(qiang)施(shi)工(gong)人(ren)員(yuan)的技(ji)術水平(ping)

          在(zai)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)中(zhong),施(shi)工(gong)人(ren)員(yuan)的技(ji)術水平(ping)是(shi)決(jue)定(ding)性(xing)的因(yin)素(su)。在(zai)此,在施(shi)工(gong)前(qian)企(qi)業(ye)要(yao)對施(shi)工(gong)人(ren)員(yuan)進(jin)行(xing)技術(shu)的(de)培訓。例(li)如:企(qi)業在工(gong)程(cheng)施(shi)工(gong)前(qian)可以派(pai)專(zhuan)人(ren)去水利水電(dian)基礎處(chu)理施(shi)工(gong)技術(shu)較(jiao)為的企(qi)業(ye)內(nei)部進(jin)行(xing)學習(xi)。並且(qie)利用工(gong)程(cheng)量較(jiao)少(shao)的時(shi)間段(duan)對施(shi)工(gong)人(ren)員(yuan)進(jin)行(xing)技術(shu)培(pei)訓。另(ling)外(wai),在(zai)施(shi)工(gong)前(qian)要(yao)對參(can)與(yu)技術培(pei)訓的(de)人(ren)中(zhong)進(jin)行(xing)考核(he),考(kao)核不(bu)合(he)格者嚴(yan)禁參(can)與(yu)工(gong)程(cheng)施(shi)工(gong),確保在施(shi)工(gong)階段(duan)技(ji)術安全問(wen)題(ti)降(jiang)低(di)。

          6結(jie)語

          綜(zong)上(shang)所述可知,基礎處(chu)理施(shi)工(gong)技術(shu)是(shi)確保水利水電(dian)工(gong)程(cheng)質(zhi)量的(de)重(zhong)要(yao)標(biao)誌(zhi)。因(yin)此要對施(shi)工(gong)中(zhong)的每壹(yi)個(ge)技術(shu)環節(jie)進(jin)行(xing)控制(zhi)。同時結(jie)合(he)水利水電(dian)工(gong)程(cheng)基礎處(chu)理施(shi)工(gong)的特(te)點(dian),制(zhi)定(ding)出科(ke)學合(he)理的(de)管(guan)理措(cuo)施(shi),全面(mian)提(ti)高(gao)水利水電(dian)工(gong)程(cheng)質(zhi)量。

           


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