有毒(du)(du)體的(de)(de)檢測與防護頂(ding)(ding)管(guan)(guan)施工的(de)(de)地層(ceng)一(yi)(yi)般會通(tong)過(guo)淤泥層(ceng)，腐爛動、植物(wu)體會在地下(xia)(xia)形成有毒(du)(du)體聚集(ji)(ji)體，危害施工人(ren)員的(de)(de)健康和(he)(he)生命，所以(yi)(yi)有人(ren)員在頂(ding)(ding)管(guan)(guan)內(nei)(nei)操作的(de)(de)情(qing)況下(xia)(xia)，需要定時監測管(guan)(guan)內(nei)(nei)有毒(du)(du)體含量，采用通(tong)風(feng)裝置予以(yi)(yi)解決(jue)。頂(ding)(ding)管(guan)(guan)機(ji)通(tong)常(chang)用于小(xiao)直(zhi)徑(jing)斷(duan)面巖(yan)石(shi)和(he)(he)土體掘進，其(qi)中心就是將一(yi)(yi)些本來集(ji)(ji)成在盾構機(ji)外部(bu)的(de)(de)功用部(bu)件拿出(chu)來，以(yi)(yi)減少其(qi)尺(chi)寸，地下(xia)(xia)管(guan)(guan)線非開挖(wa)施工，頂(ding)(ding)推安(an)裝在任務井(jing)里。頂(ding)(ding)管(guan)(guan)機(ji)械(xie)選型取(qu)決(jue)于地質勘(kan)探和(he)(he)管(guan)(guan)徑(jing)。管(guan)(guan)徑(jing)有800-5000mm鋼筋混凝土管(guan)(guan)，玻璃(li)纖(xian)維(wei)夾砂管(guan)(guan)，鋼管(guan)(guan)之(zhi)類，依據(ju)管(guan)(guan)徑(jing)大(da)小(xiao)和(he)(he)資料不(bu)同(tong)，選擇不(bu)同(tong)頂(ding)(ding)進機(ji)頭(tou)。

頂進(jin)(jin)(jin)施(shi)工(gong)(gong)(gong)進(jin)(jin)(jin)程(cheng)中應(ying)嚴厲留意以(yi)(yi)下(xia)內容：頂進(jin)(jin)(jin)時，頂鐵上不(bu)準站(zhan)人(ren)；頂進(jin)(jin)(jin)就(jiu)位后，應(ying)立即回復施(shi)工(gong)(gong)(gong)線(xian)路；頂進(jin)(jin)(jin)施(shi)工(gong)(gong)(gong)完成后，施(shi)工(gong)(gong)(gong)人(ren)員必(bi)需對管(guan)(guan)道線(xian)路停(ting)止(zhi)片(pian)面修整(zheng)與穩(wen)固，并停(ting)止(zhi)相關實驗。采用(yong)通風裝置予以(yi)(yi)解(jie)決。前(qian)探查(cha)地(di)下(xia)管(guan)(guan)線(xian)盡管(guan)(guan)的頂管(guan)(guan)設(she)備(bei)具有(you)(you)在施(shi)工(gong)(gong)(gong)時探查(cha)前(qian)進(jin)(jin)(jin)路線(xian)不(bu)遠距離(li)管(guan)(guan)線(xian)的能力，確保公眾正(zheng)常生活仍有(you)(you)必(bi)要。沉(chen)井(jing)，先(xian)(xian)施(shi)工(gong)(gong)(gong)井(jing)壁(bi)，后先(xian)(xian)沉(chen)，到(dao)(dao)設(she)計標高，進(jin)(jin)(jin)行(xing)封底(di)；逆(ni)做(zuo)(zuo)法(fa)：先(xian)(xian)開挖一(yi)段深度(du)，后做(zuo)(zuo)井(jing)壁(bi)，再開挖一(yi)段深度(du)，后做(zuo)(zuo)井(jing)壁(bi)，施(shi)工(gong)(gong)(gong)到(dao)(dao)設(she)計標高進(jin)(jin)(jin)行(xing)封底(di)。兩種辦法(fa)各有(you)(you)優(you)點，也有(you)(you)工(gong)(gong)(gong)程(cheng)穿插采用(yong)施(shi)工(gong)(gong)(gong)辦法(fa)。

地(di)下管(guan)(guan)線是城(cheng)(cheng)市(shi)基礎設(she)施的(de)重要組(zu)成部分，電纜(lan)管(guan)(guan)、上下水管(guan)(guan)網、熱力(動力)管(guan)(guan)道同(tong)地(di)下鐵道一(yi)起，被稱(cheng)為城(cheng)(cheng)市(shi)的(de)生命線，隨著社會的(de)發展，地(di)下管(guan)(guan)線的(de)長(chang)度(du)持續增(zeng)加，非(fei)開(kai)(kai)(kai)挖(wa)(wa)(wa)市(shi)場(chang)存在生長(chang)空間。非(fei)開(kai)(kai)(kai)挖(wa)(wa)(wa)技(ji)術(shu)(shu)是才開(kai)(kai)(kai)始頻繁使(shi)用(yong)的(de)一(yi)個術(shu)(shu)語(yu)，它涉(she)及的(de)是利用(yong)少開(kai)(kai)(kai)挖(wa)(wa)(wa)，即工(gong)作井(jing)與接收井(jing)要開(kai)(kai)(kai)挖(wa)(wa)(wa)，以及不開(kai)(kai)(kai)挖(wa)(wa)(wa)，即管(guan)(guan)道不開(kai)(kai)(kai)挖(wa)(wa)(wa)技(ji)術(shu)(shu)來進行地(di)下管(guan)(guan)線的(de)鋪設(she)或更(geng)換。由(you)于(yu)非(fei)開(kai)(kai)(kai)挖(wa)(wa)(wa)的(de)優(you)勢逐漸被人(ren)們認同(tong)，非(fei)開(kai)(kai)(kai)挖(wa)(wa)(wa)技(ji)術(shu)(shu)日(ri)趨成熟，非(fei)開(kai)(kai)(kai)挖(wa)(wa)(wa)施工(gong)成本逐年降低，所以非(fei)開(kai)(kai)(kai)挖(wa)(wa)(wa)的(de)應(ying)用(yong)在逐年增(zeng)長(chang)。