技術(shu)措施(shi)2.1本工(gong)(gong)(gong)程(cheng)頂管(guan)的(de)(de)管(guan)段計劃采(cai)用2套頂管(guan)設(she)備，幾(ji)處(chu)施(shi)工(gong)(gong)(gong)段分為(wei)兩處(chu)階段頂進。2.2工(gong)(gong)(gong)作(zuo)井和(he)接收井上部采(cai)用人機(ji)配合開完(wan)，下(xia)部采(cai)取人工(gong)(gong)(gong)開挖作(zuo)法作(zuo)業。為(wei)保(bao)證(zheng)在(zai)工(gong)(gong)(gong)作(zuo)井施(shi)工(gong)(gong)(gong)過程(cheng)中避(bi)免受到(dao)地下(xia)水(shui)侵擾，采(cai)用深井井點降水(shui)法，以保(bao)證(zheng)施(shi)工(gong)(gong)(gong)順利進行，按(an)(an)期(qi)(qi)完(wan)工(gong)(gong)(gong)，為(wei)后(hou)續頂管(guan)施(shi)工(gong)(gong)(gong)創(chuang)造有利條件。2.3我方(fang)(fang)(fang)所需各材(cai)料(liao)(liao)(liao)(liao)時，首先對供(gong)(gong)(gong)貨(huo)(huo)方(fang)(fang)(fang)進行質量(liang)保(bao)證(zheng)能力(li)評定，確保(bao)材(cai)料(liao)(liao)(liao)(liao)按(an)(an)質、按(an)(an)量(liang)、按(an)(an)期(qi)(qi)供(gong)(gong)(gong)應(ying)。質量(liang)保(bao)證(zheng)能力(li)評定主要(yao)按(an)(an)以下(xia)內(nei)容進行：2.3.1材(cai)料(liao)(liao)(liao)(liao)供(gong)(gong)(gong)應(ying)的(de)(de)表現情況(kuang)，如(ru)材(cai)料(liao)(liao)(liao)(liao)質量(liang)、交貨(huo)(huo)期(qi)(qi)等；2.3.2供(gong)(gong)(gong)貨(huo)(huo)方(fang)(fang)(fang)質量(liang)管(guan)理體系對于按(an)(an)要(yao)求如(ru)期(qi)(qi)提交產品的(de)(de)保(bao)證(zheng)能力(li)；2.3.3供(gong)(gong)(gong)貨(huo)(huo)方(fang)(fang)(fang)的(de)(de)顧客(ke)滿(man)意(yi)程(cheng)度；2.3.4供(gong)(gong)(gong)貨(huo)(huo)方(fang)(fang)(fang)交付(fu)材(cai)料(liao)(liao)(liao)(liao)之后(hou)的(de)(de)服務和(he)支(zhi)持能力(li)；2.3.5其他如(ru)價格、履約能力(li)等。臨(lin)時水(shui)準點應(ying)設(she)置在(zai)交通要(yao)道(dao)、挖填方(fang)(fang)(fang)范圍以外(wai)。漳州DN2200水(shui)泥頂管(guan)施(shi)工(gong)(gong)(gong)哪(na)家便宜

沉井頂(ding)管(guan)施工(gong)(gong)段落地層(ceng)(ceng)(ceng)根據(ju)其形成年代、成因(yin)類(lei)型及工(gong)(gong)程性(xing)質(zhi)(zhi)特征自上(shang)至下可劃(hua)分為(wei)兩(liang)個主層(ceng)(ceng)(ceng)和若干亞層(ceng)(ceng)(ceng)。耕(geng)土(tu)層(ceng)(ceng)(ceng)：粉(fen)土(tu)為(wei)主，土(tu)層(ceng)(ceng)(ceng)厚(hou)(hou)(hou)度在0.2～1.4m之(zhi)間(jian)，處于松散狀態；粉(fen)土(tu)層(ceng)(ceng)(ceng)：褐(he)黃色，土(tu)層(ceng)(ceng)(ceng)厚(hou)(hou)(hou)度在1.3～6.2m之(zhi)間(jian)，中度密實、土(tu)質(zhi)(zhi)均勻，局部(bu)與粉(fen)質(zhi)(zhi)黏土(tu)互層(ceng)(ceng)(ceng)，其工(gong)(gong)程力(li)(li)學(xue)性(xing)質(zhi)(zhi)較(jiao)好(hao)；細砂(sha)層(ceng)(ceng)(ceng)：黃褐(he)色，土(tu)層(ceng)(ceng)(ceng)厚(hou)(hou)(hou)度在0～2.8m之(zhi)間(jian)，且分選性(xing)好(hao)，以(yi)石英、長石為(wei)主要礦物(wu)成分，其物(wu)理力(li)(li)學(xue)性(xing)質(zhi)(zhi)較(jiao)好(hao)；粉(fen)質(zhi)(zhi)粘土(tu)層(ceng)(ceng)(ceng)：褐(he)黃色，土(tu)層(ceng)(ceng)(ceng)厚(hou)(hou)(hou)度在0.4～5.5m之(zhi)間(jian)，為(wei)夾粉(fen)土(tu)層(ceng)(ceng)(ceng)，其物(wu)理力(li)(li)學(xue)性(xing)質(zhi)(zhi)較(jiao)好(hao)；施工(gong)(gong)場(chang)(chang)地地基土(tu)承載力(li)(li)在100～240KPa之(zhi)間(jian)，壓縮性(xing)中等(deng)，其力(li)(li)學(xue)性(xing)質(zhi)(zhi)較(jiao)好(hao)。泉州DN2200非開挖頂(ding)管(guan)施工(gong)(gong)方(fang)案安全員每天(tian)做好(hao)施工(gong)(gong)現場(chang)(chang)巡視工(gong)(gong)作，發現問題及時制止糾正，重大(da)安全隱(yin)患要下達整改(gai)通知單并報上(shang)級部(bu)門處理。

由于當(dang)時(shi)的(de)(de)(de)(de)(de)頂(ding)(ding)管(guan)(guan)掘(jue)(jue)進(jin)機(ji)的(de)(de)(de)(de)(de)設計還停留在比較原始(shi)的(de)(de)(de)(de)(de)階(jie)段，既沒有(you)(you)完(wan)整的(de)(de)(de)(de)(de)設計施工(gong)(gong)理(li)論和工(gong)(gong)藝作指(zhi)導(dao)，也(ye)不考慮具體的(de)(de)(de)(de)(de)地(di)層條(tiao)件，所以當(dang)時(shi)的(de)(de)(de)(de)(de)頂(ding)(ding)管(guan)(guan)掘(jue)(jue)進(jin)機(ji)還不夠完(wan)善。土(tu)(tu)壓(ya)式頂(ding)(ding)管(guan)(guan)機(ji)當(dang)時(shi)分(fen)為上(shang)部出土(tu)(tu)和下部出土(tu)(tu)兩種，但都沒有(you)(you)引入(ru)土(tu)(tu)壓(ya)力(li)的(de)(de)(de)(de)(de)概念(nian)。其中(zhong)，也(ye)搞了一些水(shui)沖頂(ding)(ding)管(guan)(guan)的(de)(de)(de)(de)(de)試驗。1967年前(qian)后(hou)，上(shang)海已(yi)研(yan)制(zhi)成功人不必進(jin)入(ru)管(guan)(guan)子(zi)的(de)(de)(de)(de)(de)小口徑(jing)遙控(kong)土(tu)(tu)壓(ya)式機(ji)械頂(ding)(ding)管(guan)(guan)機(ji)，口徑(jing)有(you)(you)700mm-1050mm多種規格。在他們(men)的(de)(de)(de)(de)(de)施工(gong)(gong)實例中(zhong)，有(you)(you)穿(chuan)過鐵(tie)路(lu)、公路(lu)的(de)(de)(de)(de)(de)，也(ye)有(you)(you)在一般(ban)道路(lu)下施工(gong)(gong)的(de)(de)(de)(de)(de)。這(zhe)(zhe)些掘(jue)(jue)進(jin)機(ji)，全部是全斷面切削，采用(yong)皮帶輸送機(ji)出土(tu)(tu)。同(tong)時(shi)，已(yi)采用(yong)了液壓(ya)糾(jiu)偏系統，并且糾(jiu)偏油缸(gang)伸(shen)出的(de)(de)(de)(de)(de)長度(du)已(yi)用(yong)數字顯示。1978年前(qian)后(hou)，上(shang)海又研(yan)制(zhi)成功適用(yong)于軟(ruan)粘土(tu)(tu)和淤泥(ni)質粘土(tu)(tu)的(de)(de)(de)(de)(de)擠(ji)壓(ya)法頂(ding)(ding)管(guan)(guan)，這(zhe)(zhe)種方法要(yao)求(qiu)的(de)(de)(de)(de)(de)覆土(tu)(tu)厚度(du)較大的(de)(de)(de)(de)(de)(大于2倍的(de)(de)(de)(de)(de)管(guan)(guan)外徑(jing))，但施工(gong)(gong)效率比普通手掘(jue)(jue)式頂(ding)(ding)管(guan)(guan)提高1倍以上(shang)。

長期以(yi)來，城市(shi)(shi)建設(she)過程(cheng)中(zhong)，城市(shi)(shi)道(dao)路(lu)(lu)被頻繁(fan)開(kai)挖(wa)(wa)嚴重影響了人(ren)民(min)的(de)(de)(de)生活。一(yi)項非開(kai)挖(wa)(wa)施(shi)(shi)工(gong)(gong)(gong)技(ji)術——頂(ding)(ding)管(guan)施(shi)(shi)工(gong)(gong)(gong)技(ji)術，不(bu)需開(kai)挖(wa)(wa)地(di)面，并且能夠穿(chuan)越(yue)公路(lu)(lu)、鐵(tie)路(lu)(lu)、河道(dao)、湖泊、建筑物、以(yi)及各種地(di)下(xia)管(guan)線等(deng)，解決了市(shi)(shi)政施(shi)(shi)工(gong)(gong)(gong)難題，而且，頂(ding)(ding)管(guan)施(shi)(shi)工(gong)(gong)(gong)隨著城市(shi)(shi)建設(she)的(de)(de)(de)發展(zhan)已(yi)越(yue)來越(yue)普(pu)及，已(yi)運用到(dao)給(gei)排水、煤氣、電力、通信等(deng)管(guan)道(dao)的(de)(de)(de)施(shi)(shi)工(gong)(gong)(gong)。頂(ding)(ding)管(guan)法(fa)施(shi)(shi)工(gong)(gong)(gong)就是在工(gong)(gong)(gong)作坑內(nei)借(jie)助于頂(ding)(ding)進(jin)設(she)備產(chan)生的(de)(de)(de)頂(ding)(ding)力，克服(fu)管(guan)道(dao)與周圍(wei)土(tu)壤的(de)(de)(de)摩擦力，將管(guan)道(dao)按設(she)計的(de)(de)(de)坡度(du)頂(ding)(ding)入(ru)土(tu)中(zhong)，并將土(tu)方(fang)運走。一(yi)節管(guan)子(zi)完成頂(ding)(ding)入(ru)土(tu)層之(zhi)后，再下(xia)第二節管(guan)子(zi)繼(ji)續頂(ding)(ding)進(jin)。其原理(li)是借(jie)助于主頂(ding)(ding)油缸及管(guan)道(dao)間(jian)、中(zhong)繼(ji)間(jian)等(deng)推力，把工(gong)(gong)(gong)具管(guan)或(huo)掘進(jin)機從工(gong)(gong)(gong)作坑內(nei)穿(chuan)過土(tu)層一(yi)直推進(jin)到(dao)接(jie)收坑內(nei)吊起。管(guan)道(dao)緊隨工(gong)(gong)(gong)具管(guan)或(huo)掘進(jin)機后，埋(mai)設(she)在兩坑之(zhi)間(jian)。工(gong)(gong)(gong)作井和接(jie)收井上部采用人(ren)機配合開(kai)完，下(xia)部采取(qu)人(ren)工(gong)(gong)(gong)開(kai)挖(wa)(wa)作法(fa)作業。

安全(quan)(quan)(quan)、文明施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)措施(shi)(shi)(shi)4.1機(ji)械作(zuo)業(ye)(ye)要(yao)(yao)(yao)嚴(yan)格(ge)(ge)按文明施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)的有關規(gui)定進(jin)行，嚴(yan)禁擾民(min)影響(xiang)市(shi)容的現象出(chu)現。4.2嚴(yan)格(ge)(ge)遵守“建(jian)筑(zhu)工(gong)(gong)(gong)(gong)地(di)安全(quan)(quan)(quan)生產六大紀(ji)律”，進(jin)入人(ren)員(yuan)一律戴好(hao)安全(quan)(quan)(quan)帽(mao)。4.3車(che)輛進(jin)出(chu)聽從現場(chang)(chang)(chang)指揮，粘(zhan)土必須(xu)清潔(jie)后方可外運確(que)保市(shi)容整(zheng)潔(jie)。4.4頂管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)前，做(zuo)好(hao)各(ge)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)序的危險(xian)(xian)源辨(bian)識工(gong)(gong)(gong)(gong)作(zuo)，根(gen)據危險(xian)(xian)辨(bian)識結果制(zhi)定相應(ying)的安全(quan)(quan)(quan)防范措施(shi)(shi)(shi)并向施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)人(ren)員(yuan)進(jin)行安全(quan)(quan)(quan)交底。4.5建(jian)立(li)健全(quan)(quan)(quan)安全(quan)(quan)(quan)生產崗位責任(ren)制(zhi)，在施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)之前要(yao)(yao)(yao)逐級的分部分項的、有針對性進(jin)行安全(quan)(quan)(quan)技(ji)術(shu)交底，施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)隊每(mei)天作(zuo)業(ye)(ye)前都要(yao)(yao)(yao)進(jin)行班前教育，并做(zuo)好(hao)記錄。4.6各(ge)種(zhong)工(gong)(gong)(gong)(gong)序要(yao)(yao)(yao)按照各(ge)項操作(zuo)規(gui)程施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)，嚴(yan)禁違(wei)章指揮、違(wei)章操作(zuo)。4.7編制(zhi)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)現場(chang)(chang)(chang)臨時用(yong)電專項方案(an)，各(ge)種(zhong)電器設備要(yao)(yao)(yao)做(zuo)到一機(ji)、一閘、一箱(xiang)、一漏保。場(chang)(chang)(chang)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)人(ren)員(yuan)必須(xu)戴安全(quan)(quan)(quan)帽(mao)，并系好(hao)額帶，上(shang)下工(gong)(gong)(gong)(gong)作(zuo)坑應(ying)走安全(quan)(quan)(quan)扶梯。泉州鋼管頂管施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)費用(yong)

車輛進出(chu)聽從(cong)現場指揮，粘土必須清潔后方可(ke)外運確保市(shi)容整潔。漳州(zhou)DN2200水泥頂(ding)管施(shi)工哪家便宜

該技術在我國(guo)沿(yan)海經(jing)濟(ji)發達地(di)(di)區(qu)大范(fan)圍(wei)用于城市地(di)(di)下給排水管(guan)(guan)(guan)道(dao)(dao)、天然氣石油(you)管(guan)(guan)(guan)道(dao)(dao)、通(tong)訊電纜等(deng)(deng)各(ge)種(zhong)(zhong)管(guan)(guan)(guan)道(dao)(dao)的(de)(de)非(fei)開挖鋪設(she)(she)。它能(neng)穿(chuan)越公路(lu)(lu)、鐵路(lu)(lu)、橋梁(liang)、高山、河流(liu)、海峽和地(di)(di)面(mian)任何建筑(zhu)物(wu)(wu)(wu)。采用該技術施工(gong)(gong)(gong)，能(neng)節約一大筆征地(di)(di)拆遷費(fei)用、減少對環境污(wu)染和道(dao)(dao)路(lu)(lu)的(de)(de)堵塞，具有明顯的(de)(de)經(jing)濟(ji)效益和社會(hui)效益，工(gong)(gong)(gong)作井(jing)(jing)頂進井(jing)(jing)、接(jie)收井(jing)(jing)。類型(xing)手(shou)掘式(shi)(shi)、擠壓式(shi)(shi)、泥水平衡式(shi)(shi)、三段兩(liang)鉸型(xing)水力挖土式(shi)(shi)、多刀(dao)盤土壓平衡式(shi)(shi)。頂管(guan)(guan)(guan)施工(gong)(gong)(gong)是繼盾構(gou)施工(gong)(gong)(gong)之后(hou)而發展起來的(de)(de)一種(zhong)(zhong)地(di)(di)下管(guan)(guan)(guan)道(dao)(dao)施工(gong)(gong)(gong)方(fang)法，它不需要開挖面(mian)層，并且能(neng)夠(gou)穿(chuan)越公路(lu)(lu)、鐵道(dao)(dao)、河川、地(di)(di)面(mian)建筑(zhu)物(wu)(wu)(wu)、地(di)(di)下構(gou)筑(zhu)物(wu)(wu)(wu)以及各(ge)種(zhong)(zhong)地(di)(di)下管(guan)(guan)(guan)線等(deng)(deng)。頂管(guan)(guan)(guan)施工(gong)(gong)(gong)借助于主頂油(you)缸及管(guan)(guan)(guan)道(dao)(dao)間(jian)中繼間(jian)等(deng)(deng)的(de)(de)推(tui)力，把(ba)工(gong)(gong)(gong)具管(guan)(guan)(guan)或掘進機(ji)從工(gong)(gong)(gong)作井(jing)(jing)內穿(chuan)過土層一直推(tui)到接(jie)收井(jing)(jing)內吊起。與此同時，也就把(ba)緊隨工(gong)(gong)(gong)具管(guan)(guan)(guan)或掘進機(ji)后(hou)的(de)(de)管(guan)(guan)(guan)道(dao)(dao)埋設(she)(she)在兩(liang)井(jing)(jing)之間(jian)，以期實現非(fei)開挖敷(fu)設(she)(she)地(di)(di)下管(guan)(guan)(guan)道(dao)(dao)的(de)(de)施工(gong)(gong)(gong)方(fang)法。漳州DN2200水泥頂管(guan)(guan)(guan)施工(gong)(gong)(gong)哪家便宜

廈門常達管業(ye)有限公(gong)司(si)(si)堅(jian)持“以人為本”的(de)企業(ye)理(li)念，擁有一支專業(ye)的(de)員(yuan)工隊伍，力求提供更好的(de)產品和服務回饋社會，并(bing)歡迎廣大新老(lao)客(ke)戶光臨惠(hui)顧，真誠合作、共(gong)創(chuang)美好未來。常達管業(ye)——您可信賴的(de)朋(peng)友，公(gong)司(si)(si)地址：廈門市(shi)集(ji)美區寧海二(er)里。

本文來自(zi)四川(chuan)精碳偉(wei)業環保(bao)科技有限責任公(gong)司：//wasul.cn/Article/31b20599763.html