頂管(guan)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)降低交(jiao)通(tong)壓力。對城市(shi)交(jiao)通(tong)攪(jiao)擾小(xiao)，施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)面由線縮成(cheng)點，占(zhan)地面積小(xiao)，且不會招(zhao)致(zhi)路面沉降以致(zhi)發生裂紋，非開挖(wa)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)，防止(zhi)了路面重修。無論是(shi)(shi)任務井(jing)，亦或是(shi)(shi)接納(na)井(jing)，均需(xu)(xu)(xu)采(cai)用2次澆(jiao)筑成(cheng)型(xing)的施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)方(fang)案(an)，當(dang)次混(hun)凝土澆(jiao)筑強度到達設計要(yao)求，才(cai)干停止(zhi)上部混(hun)凝土井(jing)壁的澆(jiao)筑，但必需(xu)(xu)(xu)保證延續(xu)澆(jiao)筑，不允(yun)許(xu)存在(zai)施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)縫狀況(kuang)(kuang)。施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)人員(yuan)更(geng)應經過(guo)嚴格培訓，熟(shu)練掌握施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)技巧，保證施(shi)(shi)(shi)(shi)(shi)工(gong)(gong)(gong)順利進行，人員(yuan)在(zai)頂管(guan)內操作的情(qing)況(kuang)(kuang)下(xia)，需(xu)(xu)(xu)要(yao)定時(shi)監測管(guan)內有毒體含量。

成套頂(ding)(ding)管機(ji)械(xie)進(jin)(jin)入現場(chang)后，將(jiang)控(kong)制柜放在頂(ding)(ding)管井(jing)一側，略微離井(jing)邊一點，方便操作人(ren)員看到(dao)井(jing)下頂(ding)(ding)進(jin)(jin)狀況(kuang)。先(xian)澆筑好(hao)背靠墻，裝(zhuang)置導(dao)軌，千斤頂(ding)(ding)，打鑿(zao)好(hao)洞口，吊管下井(jing)，裝(zhuang)置好(hao)進(jin)(jin)水管和(he)出(chu)泥管。施(shi)(shi)(shi)工人(ren)員更應經過嚴(yan)格培(pei)訓，熟練掌(zhang)握施(shi)(shi)(shi)工技巧，保證施(shi)(shi)(shi)工順(shun)利進(jin)(jin)行，人(ren)員在頂(ding)(ding)管內操作的(de)情況(kuang)下，需要(yao)(yao)定時監測管內有毒體(ti)含量。穿越建筑時對基(ji)(ji)(ji)礎(chu)的(de)探查頂(ding)(ding)管在建筑物基(ji)(ji)(ji)礎(chu)下施(shi)(shi)(shi)工時，需要(yao)(yao)明(ming)確施(shi)(shi)(shi)工施(shi)(shi)(shi)工路(lu)線(xian)上所(suo)遇到(dao)的(de)基(ji)(ji)(ji)礎(chu)類型(xing)，對于部分基(ji)(ji)(ji)礎(chu)頂(ding)(ding)管頂(ding)(ding)進(jin)(jin)前(qian)可(ke)采取托換、加固措施(shi)(shi)(shi)。

非開(kai)(kai)挖(wa)(wa)(wa)工(gong)程(cheng)穿越(yue)河(he)流(liu)、湖泊(bo)、重要(yao)(yao)交通干線(xian)、重要(yao)(yao)建筑(zhu)物，實(shi)現(xian)對諸(zhu)如供(gong)水、煤氣、、污(wu)水、電(dian)信電(dian)纜等公(gong)用(yong)(yong)(yong)管(guan)線(xian)的檢(jian)測、鋪設(she)、修復與(yu)更換的施工(gong)技(ji)(ji)術。非開(kai)(kai)挖(wa)(wa)(wa)技(ji)(ji)術不(bu)開(kai)(kai)挖(wa)(wa)(wa)地面(mian)，故而被(bei)鋪設(she)管(guan)道(dao)的上部土層未經擾動，管(guan)道(dao)的管(guan)節(jie)端不(bu)易產(chan)生段差變形，其管(guan)道(dao)壽(shou)命亦大于開(kai)(kai)挖(wa)(wa)(wa)法(fa)埋管(guan)。采用(yong)(yong)(yong)房(fang)下(xia)非開(kai)(kai)挖(wa)(wa)(wa)技(ji)(ji)術能(neng)節(jie)約一大筆拆費用(yong)(yong)(yong)，減少動拆用(yong)(yong)(yong)房(fang)，縮短管(guan)線(xian)長度(du)。非開(kai)(kai)挖(wa)(wa)(wa)技(ji)(ji)術在國(guo)外已(yi)廣泛使用(yong)(yong)(yong)，在國(guo)內也逐漸(jian)普(pu)及。不(bu)開(kai)(kai)挖(wa)(wa)(wa)地面(mian)就(jiu)能(neng)穿越(yue)公(gong)路、鐵(tie)路、河(he)流(liu)，甚至能(neng)在建筑(zhu)物底下(xia)穿過，是一種能(neng)安全有效地進行環(huan)境保護的施工(gong)方(fang)法(fa)。