該技(ji)術在我國沿海經濟發達地區廣泛用(yong)于城市地下給排(pai)水管(guan)道(dao)、石油管(guan)道(dao)、通訊電纜等各(ge)種管(guan)道(dao)的(de)(de)非開(kai)挖(wa)鋪(pu)設(she)。非開(kai)挖(wa)技(ji)術是(shi)才開(kai)始頻繁使用(yong)的(de)(de)一(yi)(yi)個(ge)術語，它涉及(ji)的(de)(de)是(shi)利(li)用(yong)少開(kai)挖(wa)，即(ji)工作井(jing)(jing)與(yu)接收井(jing)(jing)要開(kai)挖(wa)，以(yi)及(ji)不(bu)開(kai)挖(wa)，即(ji)管(guan)道(dao)不(bu)開(kai)挖(wa)技(ji)術來(lai)進行(xing)地下管(guan)線(xian)的(de)(de)鋪(pu)設(she)或更換。分(fen)壓(ya)環制作具有(you)足(zu)夠的(de)(de)剛(gang)性，與(yu)管(guan)端面接觸相對(dui)平整，無變形。在長距離頂進過(guo)(guo)程(cheng)中(zhong)，當(dang)頂進阻(zu)力(li)超過(guo)(guo)容(rong)許總頂力(li)時，無法一(yi)(yi)次達到頂進距離時，須(xu)設(she)置中(zhong)繼間分(fen)段(duan)接力(li)頂進。

我國人(ren)均管道(dao)的占有量遠低于西方(fang)發達國家， 利(li)用(yong)非開(kai)(kai)挖(wa)(wa)水平(ping)定向鉆(zhan)機的非開(kai)(kai)挖(wa)(wa)技(ji)(ji)(ji)術(shu)之所以(yi)受到越來(lai)越多的應用(yong)和重視，既有其固有的技(ji)(ji)(ji)術(shu)優(you)勢，也(ye)有社會發展帶(dai)來(lai)的巨(ju)大渴求。非開(kai)(kai)挖(wa)(wa)技(ji)(ji)(ji)術(shu)是才開(kai)(kai)始(shi)頻繁(fan)使用(yong)的一(yi)個術(shu)語，它(ta)涉及(ji)(ji)的是利(li)用(yong)少開(kai)(kai)挖(wa)(wa)，即工(gong)作井與(yu)接(jie)收井要(yao)開(kai)(kai)挖(wa)(wa)，以(yi)及(ji)(ji)不(bu)開(kai)(kai)挖(wa)(wa)，即管道(dao)不(bu)開(kai)(kai)挖(wa)(wa)技(ji)(ji)(ji)術(shu)來(lai)進行地(di)下管線的鋪設或更換(huan)。頂管施(shi)工(gong)是繼盾構(gou)施(shi)工(gong)之后而(er)發展起來(lai)的一(yi)種地(di)下管道(dao)施(shi)工(gong)方(fang)法(fa)，它(ta)不(bu)需要(yao)開(kai)(kai)挖(wa)(wa)面層，并且能(neng)夠穿(chuan)越公路、鐵(tie)道(dao)、河川、地(di)面建筑物(wu)、地(di)下構(gou)筑物(wu)以(yi)及(ji)(ji)各種地(di)下管線等。

施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)設(she)備(bei)(bei)和(he)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)人員的(de)素質是(shi)(shi)保(bao)(bao)證非開(kai)挖(wa)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)質量(liang)的(de)另(ling)一要(yao)求(qiu)(qiu)。非開(kai)挖(wa)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)設(she)備(bei)(bei)的(de)更新換代(dai)十分(fen)頻繁，施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)廠家要(yao)保(bao)(bao)證施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)所用(yong)(yong)設(she)備(bei)(bei)為行(xing)業(ye) 設(she)備(bei)(bei)，落后設(she)備(bei)(bei)雖然也(ye)能完(wan)成(cheng)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)，但(dan)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)質量(liang)和(he)效率有待提高(gao)。無論是(shi)(shi)任務(wu)井，亦或是(shi)(shi)接納井，均需采用(yong)(yong)2次澆(jiao)(jiao)筑成(cheng)型的(de)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)方案，非開(kai)挖(wa)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)方案，當次混凝土澆(jiao)(jiao)筑強度到(dao)達設(she)計要(yao)求(qiu)(qiu)，才(cai)干停止上部混凝土井壁的(de)澆(jiao)(jiao)筑，但(dan)必需保(bao)(bao)證延續澆(jiao)(jiao)筑，不允許存在施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)縫(feng)狀況。頂管(guan)機通(tong)常用(yong)(yong)于小直徑(jing)斷面巖石和(he)土體掘(jue)進，其中心就是(shi)(shi)將一些本(ben)來(lai)(lai)集成(cheng)在盾構機外部的(de)功用(yong)(yong)部件(jian)拿出來(lai)(lai)，以(yi)減少其尺(chi)寸，頂推安裝在任務(wu)井里(li)。