2001年(nian)(nian)8月～12月嘉興市污水(shui)處(chu)理排海工(gong)(gong)(gong)程一次頂(ding)(ding)(ding)進2050m超長距離鋼(gang)(gang)筋混(hun)凝土頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)，由于選擇了合(he)理的(de)(de)頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)機具型式、成(cheng)功地(di)解決了減阻泥漿運用和軸線控制(zhi)等技術難題，用約5個月完成(cheng)全部(bu)頂(ding)(ding)(ding)進施工(gong)(gong)(gong)，創造了新的(de)(de)頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)施工(gong)(gong)(gong)記錄。全長3600m、管(guan)(guan)(guan)(guan)徑為(wei)1.8米(mi)(mi)的(de)(de)鋼(gang)(gang)管(guan)(guan)(guan)(guan)從23至25米(mi)(mi)深的(de)(de)地(di)下于2002年(nian)(nian)9月成(cheng)功橫穿(chuan)黃河(he)，無論從頂(ding)(ding)(ding)進長度、埋深、地(di)質(zhi)(zhi)條(tiao)(tiao)件(jian)，還(huan)是鋼(gang)(gang)管(guan)(guan)(guan)(guan)直徑在(zai)國內尚屬頭一次。其中(zhong)比(bi)較長的(de)(de)一段位于黃河(he)主河(he)床上(shang)，長達1259米(mi)(mi)，還(huan)要穿(chuan)越較厚的(de)(de)礫砂層(ceng)與黃河(he)主河(he)槽，既是我國西氣東輸項目的(de)(de)關鍵工(gong)(gong)(gong)程，也是世界上(shang)復雜地(di)質(zhi)(zhi)條(tiao)(tiao)件(jian)下大直徑鋼(gang)(gang)管(guan)(guan)(guan)(guan)一次性頂(ding)(ding)(ding)進距離比(bi)較長的(de)(de)頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)工(gong)(gong)(gong)程。在(zai)工(gong)(gong)(gong)程銜(xian)接處(chu)，所(suo)設(she)置的(de)(de)臨時(shi)水(shui)準點應相互測校(xiao)調整，以防止(zhi)差(cha)錯。龍巖DN2700非開挖(wa)頂(ding)(ding)(ding)管(guan)(guan)(guan)(guan)施工(gong)(gong)(gong)工(gong)(gong)(gong)程

該技(ji)術(shu)在我(wo)國(guo)沿海(hai)經濟(ji)發達地(di)區大(da)范圍(wei)用(yong)于(yu)城市地(di)下給排(pai)水(shui)管道(dao)、天然氣石(shi)油管道(dao)、通訊電纜(lan)等(deng)各(ge)(ge)種(zhong)(zhong)管道(dao)的(de)(de)非(fei)開挖(wa)鋪(pu)設。它能(neng)(neng)穿越(yue)公(gong)路、鐵(tie)路、橋(qiao)梁(liang)、高山、河流、海(hai)峽和(he)地(di)面任何建筑物。采用(yong)該技(ji)術(shu)施工(gong)(gong)(gong)，能(neng)(neng)節約(yue)一(yi)大(da)筆征地(di)拆遷(qian)費用(yong)、減少對環境(jing)污染和(he)道(dao)路的(de)(de)堵塞，具(ju)有(you)明顯的(de)(de)經濟(ji)效益(yi)和(he)社會效益(yi)，工(gong)(gong)(gong)作(zuo)井(jing)頂進井(jing)、接收(shou)(shou)井(jing)。類型手掘式(shi)(shi)、擠(ji)壓(ya)(ya)式(shi)(shi)、泥水(shui)平(ping)衡式(shi)(shi)、三段兩鉸型水(shui)力(li)挖(wa)土式(shi)(shi)、多刀盤土壓(ya)(ya)平(ping)衡式(shi)(shi)。頂管施工(gong)(gong)(gong)是繼盾構施工(gong)(gong)(gong)之后而(er)發展(zhan)起來的(de)(de)一(yi)種(zhong)(zhong)地(di)下管道(dao)施工(gong)(gong)(gong)方法，它不需要開挖(wa)面層(ceng)，并且能(neng)(neng)夠穿越(yue)公(gong)路、鐵(tie)道(dao)、河川、地(di)面建筑物、地(di)下構筑物以及各(ge)(ge)種(zhong)(zhong)地(di)下管線等(deng)。頂管施工(gong)(gong)(gong)借助于(yu)主(zhu)頂油缸及管道(dao)間(jian)中繼間(jian)等(deng)的(de)(de)推(tui)力(li)，把(ba)(ba)工(gong)(gong)(gong)具(ju)管或(huo)掘進機從工(gong)(gong)(gong)作(zuo)井(jing)內穿過土層(ceng)一(yi)直推(tui)到(dao)接收(shou)(shou)井(jing)內吊起。與此(ci)同時，也就把(ba)(ba)緊隨工(gong)(gong)(gong)具(ju)管或(huo)掘進機后的(de)(de)管道(dao)埋(mai)設在兩井(jing)之間(jian)，以期實現非(fei)開挖(wa)敷設地(di)下管道(dao)的(de)(de)施工(gong)(gong)(gong)方法。南平(ping)DN2700非(fei)開挖(wa)頂管施工(gong)(gong)(gong)市場(chang)價明確質量、安全、節約(yue)措施和(he)工(gong)(gong)(gong)作(zuo)目標(biao)。

安(an)全、文(wen)明施工(gong)(gong)措(cuo)施4.1機(ji)械(xie)作(zuo)業要嚴(yan)(yan)格按(an)文(wen)明施工(gong)(gong)的(de)(de)有關規(gui)定進(jin)行，嚴(yan)(yan)禁擾民(min)影響市容的(de)(de)現象出(chu)現。4.2嚴(yan)(yan)格遵(zun)守“建筑工(gong)(gong)地安(an)全生產(chan)六(liu)大紀律(lv)”，進(jin)入人員(yuan)一(yi)(yi)(yi)(yi)律(lv)戴好安(an)全帽。4.3車輛進(jin)出(chu)聽從(cong)現場指揮，粘土必須(xu)清潔后方可(ke)外運確保(bao)市容整潔。4.4頂(ding)管施工(gong)(gong)前，做(zuo)好各(ge)施工(gong)(gong)工(gong)(gong)序(xu)的(de)(de)危險源(yuan)辨(bian)識(shi)工(gong)(gong)作(zuo)，根據危險辨(bian)識(shi)結果制(zhi)(zhi)定相應的(de)(de)安(an)全防范措(cuo)施并向施工(gong)(gong)人員(yuan)進(jin)行安(an)全交(jiao)底。4.5建立健(jian)全安(an)全生產(chan)崗(gang)位責任制(zhi)(zhi)，在(zai)施工(gong)(gong)之(zhi)前要逐級的(de)(de)分部(bu)分項(xiang)的(de)(de)、有針(zhen)對性(xing)進(jin)行安(an)全技術交(jiao)底，施工(gong)(gong)隊每天作(zuo)業前都要進(jin)行班前教(jiao)育，并做(zuo)好記錄。4.6各(ge)種工(gong)(gong)序(xu)要按(an)照各(ge)項(xiang)操作(zuo)規(gui)程施工(gong)(gong)，嚴(yan)(yan)禁違章指揮、違章操作(zuo)。4.7編制(zhi)(zhi)施工(gong)(gong)現場臨時用電專項(xiang)方案，各(ge)種電器(qi)設備要做(zuo)到(dao)一(yi)(yi)(yi)(yi)機(ji)、一(yi)(yi)(yi)(yi)閘、一(yi)(yi)(yi)(yi)箱(xiang)、一(yi)(yi)(yi)(yi)漏保(bao)。

在(zai)頂(ding)管(guan)(guan)施(shi)(shi)工(gong)(gong)(gong)中比較(jiao)為(wei)流(liu)行的(de)有三種(zhong)平衡(heng)理(li)論(lun)(lun)：氣(qi)壓平衡(heng)、泥水平衡(heng)和(he)土壓平衡(heng)理(li)論(lun)(lun)。頂(ding)管(guan)(guan)施(shi)(shi)工(gong)(gong)(gong)比較(jiao)突出(chu)的(de)特點就是(shi)適應(ying)(ying)性問題。針(zhen)對(dui)不同的(de)地(di)質情況、施(shi)(shi)工(gong)(gong)(gong)條件和(he)設(she)計要求，選(xuan)用與之適應(ying)(ying)的(de)頂(ding)管(guan)(guan)施(shi)(shi)工(gong)(gong)(gong)方(fang)式，如何正確地(di)選(xuan)擇頂(ding)管(guan)(guan)機和(he)配套輔助設(she)備(bei)，對(dui)于頂(ding)管(guan)(guan)施(shi)(shi)工(gong)(gong)(gong)來說將是(shi)非常關鍵的(de)。經過多年的(de)發展，頂(ding)管(guan)(guan)技術(shu)(shu)在(zai)我國已(yi)得到大量(liang)地(di)實際工(gong)(gong)(gong)程應(ying)(ying)用，且保(bao)持著高(gao)(gao)速的(de)增(zeng)長(chang)勢(shi)頭(tou)，無論(lun)(lun)在(zai)技術(shu)(shu)上(shang)(shang)、頂(ding)管(guan)(guan)設(she)備(bei)還是(shi)施(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)藝上(shang)(shang)取得了很(hen)大的(de)進(jin)步，在(zai)某(mou)些(xie)方(fang)面甚(shen)至已(yi)達到了很(hen)高(gao)(gao)的(de)水平。2001年上(shang)(shang)海隧道股份(fen)有限公司在(zai)江蘇省常州完(wan)成了長(chang)2050m、直(zhi)徑2m的(de)鋼筋(jin)水泥管(guan)(guan)頂(ding)管(guan)(guan)工(gong)(gong)(gong)程，是(shi)已(yi)完(wan)成的(de)我國比較(jiao)長(chang)的(de)頂(ding)管(guan)(guan)工(gong)(gong)(gong)程。各分(fen)項(xiang)工(gong)(gong)(gong)程施(shi)(shi)工(gong)(gong)(gong)前，應(ying)(ying)由項(xiang)目(mu)技術(shu)(shu)負責人向參加該項(xiang)目(mu)的(de)全體施(shi)(shi)工(gong)(gong)(gong)人員(yuan)進(jin)行技術(shu)(shu)交底。

由(you)于當(dang)時的(de)(de)頂(ding)(ding)管(guan)(guan)(guan)(guan)(guan)掘(jue)進機(ji)的(de)(de)設(she)計(ji)還停留在比(bi)較原始的(de)(de)階段，既沒有完(wan)整(zheng)的(de)(de)設(she)計(ji)施(shi)工理論(lun)和工藝(yi)作指導，也不考慮具體的(de)(de)地層條(tiao)件，所以當(dang)時的(de)(de)頂(ding)(ding)管(guan)(guan)(guan)(guan)(guan)掘(jue)進機(ji)還不夠完(wan)善。土(tu)壓(ya)式(shi)(shi)頂(ding)(ding)管(guan)(guan)(guan)(guan)(guan)機(ji)當(dang)時分(fen)為上(shang)部(bu)出(chu)土(tu)和下部(bu)出(chu)土(tu)兩種(zhong)，但(dan)都沒有引入(ru)土(tu)壓(ya)力的(de)(de)概念。其(qi)中(zhong)，也搞了一些(xie)水沖頂(ding)(ding)管(guan)(guan)(guan)(guan)(guan)的(de)(de)試驗(yan)。1967年前(qian)后(hou)(hou)，上(shang)海(hai)已(yi)研制(zhi)成(cheng)功人不必進入(ru)管(guan)(guan)(guan)(guan)(guan)子的(de)(de)小口(kou)徑(jing)遙控土(tu)壓(ya)式(shi)(shi)機(ji)械頂(ding)(ding)管(guan)(guan)(guan)(guan)(guan)機(ji)，口(kou)徑(jing)有700mm-1050mm多種(zhong)規(gui)格。在他們的(de)(de)施(shi)工實例中(zhong)，有穿過鐵路(lu)(lu)、公路(lu)(lu)的(de)(de)，也有在一般道路(lu)(lu)下施(shi)工的(de)(de)。這(zhe)些(xie)掘(jue)進機(ji)，全部(bu)是全斷面切削，采用皮帶輸送機(ji)出(chu)土(tu)。同時，已(yi)采用了液壓(ya)糾(jiu)偏系統，并且糾(jiu)偏油缸伸出(chu)的(de)(de)長度(du)已(yi)用數字顯示(shi)。1978年前(qian)后(hou)(hou)，上(shang)海(hai)又研制(zhi)成(cheng)功適用于軟粘土(tu)和淤(yu)泥質(zhi)粘土(tu)的(de)(de)擠壓(ya)法(fa)頂(ding)(ding)管(guan)(guan)(guan)(guan)(guan)，這(zhe)種(zhong)方法(fa)要求的(de)(de)覆土(tu)厚度(du)較大的(de)(de)(大于2倍的(de)(de)管(guan)(guan)(guan)(guan)(guan)外徑(jing))，但(dan)施(shi)工效(xiao)率比(bi)普通手(shou)掘(jue)式(shi)(shi)頂(ding)(ding)管(guan)(guan)(guan)(guan)(guan)提高1倍以上(shang)。各種(zhong)工序要按照各項(xiang)操(cao)作規(gui)程施(shi)工，嚴禁違章指揮、違章操(cao)作。三明DN2600球墨管(guan)(guan)(guan)(guan)(guan)頂(ding)(ding)管(guan)(guan)(guan)(guan)(guan)施(shi)工電話

廈門(men)常達管(guan)業(ye)臨時水準點的設置(zhi)應與觀測點靠近，不應設置(zhi)在(zai)現場(chang)堆料(liao)或(huo)構筑(zhu)物施(shi)工(gong)開挖處(chu)。龍巖DN2700非(fei)開挖頂管(guan)施(shi)工(gong)工(gong)程(cheng)

非開(kai)(kai)挖(wa)技(ji)(ji)術是(shi)才開(kai)(kai)始頻(pin)繁使用的(de)(de)(de)一個術語，它涉及的(de)(de)(de)是(shi)利用少(shao)開(kai)(kai)挖(wa)，即(ji)工(gong)作井(jing)與接(jie)收井(jing)要(yao)(yao)開(kai)(kai)挖(wa)，以及不(bu)(bu)開(kai)(kai)挖(wa)，即(ji)管(guan)(guan)(guan)道不(bu)(bu)開(kai)(kai)挖(wa)技(ji)(ji)術來進行(xing)地(di)(di)下(xia)管(guan)(guan)(guan)線的(de)(de)(de)鋪設(she)或更換，頂管(guan)(guan)(guan)直(zhi)徑DN800—4500。通(tong)過工(gong)作井(jing)把(ba)要(yao)(yao)頂進的(de)(de)(de)管(guan)(guan)(guan)子(zi)頂入接(jie)收井(jing)內，一個工(gong)作井(jing)內的(de)(de)(de)管(guan)(guan)(guan)子(zi)可在地(di)(di)下(xia)穿行(xing)1500米以上，并且還能曲線穿行(xing)，以繞開(kai)(kai)一些地(di)(di)下(xia)管(guan)(guan)(guan)線或障礙物。它的(de)(de)(de)技(ji)(ji)術要(yao)(yao)點在于糾正管(guan)(guan)(guan)子(zi)在地(di)(di)下(xia)延伸的(de)(de)(de)偏差(cha)(cha)。特別適(shi)用于大(da)中型(xing)管(guan)(guan)(guan)徑的(de)(de)(de)非開(kai)(kai)挖(wa)鋪設(she)。具有經濟、高效，保護環境(jing)的(de)(de)(de)綜合功能。這種技(ji)(ji)術的(de)(de)(de)優點是(shi)：不(bu)(bu)開(kai)(kai)挖(wa)地(di)(di)面；不(bu)(bu)拆遷，不(bu)(bu)破壞地(di)(di)面建(jian)筑物；不(bu)(bu)破壞環境(jing)；不(bu)(bu)影響管(guan)(guan)(guan)道的(de)(de)(de)段差(cha)(cha)變形；省時、高效、安全，綜合造價低。龍巖DN2700非開(kai)(kai)挖(wa)頂管(guan)(guan)(guan)施工(gong)工(gong)程

廈門(men)常達管業(ye)有(you)(you)(you)限公(gong)(gong)(gong)(gong)司是(shi)一(yi)(yi)家有(you)(you)(you)著(zhu)雄厚實(shi)力(li)背景(jing)、信(xin)譽可靠、勵精(jing)圖治(zhi)、展(zhan)(zhan)望未(wei)來(lai)、有(you)(you)(you)夢(meng)想有(you)(you)(you)目標，有(you)(you)(you)組織有(you)(you)(you)體系的(de)公(gong)(gong)(gong)(gong)司，堅持(chi)于帶領(ling)員工在(zai)未(wei)來(lai)的(de)道(dao)路(lu)(lu)上大(da)放(fang)光明，攜手共畫(hua)藍圖，在(zai)福建省(sheng)等地(di)區的(de)建筑、建材行(xing)業(ye)中積(ji)累了(le)(le)大(da)批忠誠(cheng)的(de)客戶粉絲(si)源，也收獲(huo)了(le)(le)良好的(de)用(yong)戶口碑，為公(gong)(gong)(gong)(gong)司的(de)發展(zhan)(zhan)奠定的(de)良好的(de)行(xing)業(ye)基礎(chu)，也希望未(wei)來(lai)公(gong)(gong)(gong)(gong)司能(neng)成為**，努(nu)(nu)力(li)為行(xing)業(ye)領(ling)域的(de)發展(zhan)(zhan)奉獻出自己(ji)的(de)一(yi)(yi)份力(li)量，我們相信(xin)精(jing)益(yi)求精(jing)的(de)工作(zuo)態(tai)度和不斷的(de)完善(shan)創(chuang)(chuang)新理(li)念以(yi)及自強(qiang)不息，斗志昂揚的(de)的(de)企業(ye)精(jing)神將**廈門(men)常達管業(ye)供應和您一(yi)(yi)起攜手步入(ru)輝煌，共創(chuang)(chuang)佳績(ji)，一(yi)(yi)直(zhi)(zhi)以(yi)來(lai)，公(gong)(gong)(gong)(gong)司貫徹(che)執行(xing)科學管理(li)、創(chuang)(chuang)新發展(zhan)(zhan)、誠(cheng)實(shi)守信(xin)的(de)方針，員工精(jing)誠(cheng)努(nu)(nu)力(li)，協同奮取，以(yi)品(pin)質、服務來(lai)贏得市(shi)場，我們一(yi)(yi)直(zhi)(zhi)在(zai)路(lu)(lu)上！

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