由(you)于地質(zhi)(zhi)強(qiang)度(du)不(bu)同(tong)(tong)，需(xu)選(xuan)用不(bu)同(tong)(tong)的(de)機(ji)頭。強(qiang)度(du)大巖(yan)層，需(xu)選(xuan)用具有(you)破巖(yan)機(ji)頭；普通土(tu)質(zhi)(zhi)，可(ke)以選(xuan)用泥水均衡頂管機(ji)械進行施工即(ji)可(ke)。頂管機(ji)械選(xuan)型取決于地質(zhi)(zhi)勘(kan)探和管徑。管徑有(you)800-5000mm鋼(gang)筋(jin)混(hun)凝(ning)土(tu)管，玻璃纖維夾砂管，鋼(gang)管之(zhi)類，依據管徑大小和資料不(bu)同(tong)(tong)，選(xuan)擇(ze)不(bu)同(tong)(tong)頂進機(ji)頭。無(wu)論是任務井(jing)(jing)，亦或是接納(na)井(jing)(jing)，均需(xu)采用2次(ci)澆筑(zhu)(zhu)成(cheng)型的(de)施工方案(an)，當次(ci)混(hun)凝(ning)土(tu)澆筑(zhu)(zhu)強(qiang)度(du)到達設計要求，才干停止上(shang)部混(hun)凝(ning)土(tu)井(jing)(jing)壁的(de)澆筑(zhu)(zhu)，管非開挖施工施工公司，但必需(xu)保(bao)證(zheng)延續澆筑(zhu)(zhu)，不(bu)允許存在施工縫狀況。

頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)機(ji)切口距接收井(jing)止(zhi)水帷(wei)幕(mu)0.5m左(zuo)右(you)時(shi)(shi)停止(zhi)頂(ding)(ding)(ding)(ding)(ding)(ding)進，并在(zai)預留洞(dong)(dong)(dong)圈(quan)外(wai)的(de)(de)(de)(de)(de)(de)四個角開觀察孔，以(yi)(yi)確切探測出(chu)機(ji)頭的(de)(de)(de)(de)(de)(de)實際位置，鑿除洞(dong)(dong)(dong)圈(quan)內(nei)圍護結構(gou)。為(wei)防止(zhi)頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)機(ji)出(chu)洞(dong)(dong)(dong)時(shi)(shi)產(chan)(chan)生叩頭現象，在(zai)洞(dong)(dong)(dong)內(nei)預埋(mai)一(yi)(yi)副短的(de)(de)(de)(de)(de)(de)延伸(shen)導(dao)軌，它可以(yi)(yi)把(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)機(ji)托起(qi)。若管(guan)(guan)(guan)(guan)道右(you)偏(pian)，主頂(ding)(ding)(ding)(ding)(ding)(ding)千斤頂(ding)(ding)(ding)(ding)(ding)(ding)右(you)伸(shen)左(zuo)縮(suo)，反之亦(yi)然。若高程與左(zuo)右(you)同時(shi)(shi)有偏(pian)差，則優先(xian)糾正(zheng)偏(pian)差大的(de)(de)(de)(de)(de)(de)一(yi)(yi)面。頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)放線準確就能保證頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)能按設計要求準確進洞(dong)(dong)(dong)。頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)機(ji)施(shi)工(gong)過(guo)程中需要使用(yong)的(de)(de)(de)(de)(de)(de)是高質液壓油(you)，并且要保持油(you)的(de)(de)(de)(de)(de)(de)清(qing)潔。施(shi)工(gong)完成后，頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)機(ji)的(de)(de)(de)(de)(de)(de)各部分(fen)都需要擦拭干凈(jing)，該(gai)上油(you)的(de)(de)(de)(de)(de)(de)部分(fen)要上好油(you)。頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)施(shi)工(gong)技術(shu)是一(yi)(yi)種非開挖式施(shi)工(gong)技術(shu)，利用(yong)油(you)壓油(you)缸從頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)工(gong)作井(jing)將頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)機(ji)和待鋪設的(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)節(jie)在(zai)地下(xia)逐節(jie)頂(ding)(ding)(ding)(ding)(ding)(ding)進，直到頂(ding)(ding)(ding)(ding)(ding)(ding)管(guan)(guan)(guan)(guan)接收井(jing)的(de)(de)(de)(de)(de)(de)非開挖地下(xia)管(guan)(guan)(guan)(guan)道敷(fu)設施(shi)工(gong)工(gong)藝(yi)。不阻(zu)礙交通(tong)，不會產(chan)(chan)生過(guo)大的(de)(de)(de)(de)(de)(de)噪聲和震動，對(dui)周圍環境的(de)(de)(de)(de)(de)(de)影響也很小(xiao)。

頂(ding)管(guan)(guan)施工(gong)(gong)降低工(gong)(gong)程(cheng)總造價。可浪費少量(liang)土(tu)方工(gong)(gong)程(cheng)、溝管(guan)(guan)基座資(zi)料(liao)，增加基坑支護(hu)作(zuo)業的(de)工(gong)(gong)程(cheng)量(liang)，增加開(kai)挖、回填和(he)路(lu)面修(xiu)復。非(fei)開(kai)挖技術在(zai)國外已廣泛使用，在(zai)國內(nei)也逐(zhu)漸(jian)普(pu)及。不開(kai)挖地面就能(neng)(neng)穿(chuan)越公路(lu)、鐵路(lu)、河流，甚至(zhi)能(neng)(neng)在(zai)建(jian)筑物底下穿(chuan)過(guo)，是一種(zhong)能(neng)(neng)安全有效地進行環境保護(hu)的(de)施工(gong)(gong)方法。頂(ding)管(guan)(guan)機(ji)械選型取(qu)決于地質勘探和(he)管(guan)(guan)徑。管(guan)(guan)徑有800-5000mm鋼筋(jin)混凝土(tu)管(guan)(guan)，玻璃纖維夾砂(sha)管(guan)(guan)，鋼管(guan)(guan)之類，依據管(guan)(guan)徑大小(xiao)和(he)資(zi)料(liao)不同，選擇(ze)不同頂(ding)進機(ji)頭。