頂(ding)管施工是繼(ji)盾(dun)構施(shi)(shi)工(gong)(gong)之(zhi)后(hou)而發展起來(lai)的(de)(de)(de)(de)一(yi)種(zhong)地(di)(di)下管(guan)(guan)(guan)(guan)(guan)道(dao)施(shi)(shi)工(gong)(gong)方法，它不需要開(kai)挖(wa)面層(ceng)，并(bing)且能(neng)夠穿越(yue)公路、鐵道(dao)、河(he)川、地(di)(di)面建筑(zhu)物(wu)、地(di)(di)下構筑(zhu)物(wu)以及(ji)各種(zhong)地(di)(di)下管(guan)(guan)(guan)(guan)(guan)線等。頂(ding)管(guan)(guan)(guan)(guan)(guan)施(shi)(shi)工(gong)(gong)借(jie)助于主(zhu)頂(ding)油(you)缸及(ji)管(guan)(guan)(guan)(guan)(guan)道(dao)間中繼(ji)間等的(de)(de)(de)(de)推力，把工(gong)(gong)具管(guan)(guan)(guan)(guan)(guan)或(huo)掘進(jin)機從工(gong)(gong)作(zuo)井內(nei)穿過土層(ceng)一(yi)直推到接收井內(nei)吊(diao)起。與此同(tong)時，把緊隨(sui)工(gong)(gong)具管(guan)(guan)(guan)(guan)(guan)或(huo)掘進(jin)機后(hou)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)道(dao)埋設在兩井之(zhi)間，以期實(shi)現非開(kai)挖(wa)敷設地(di)(di)下管(guan)(guan)(guan)(guan)(guan)道(dao)的(de)(de)(de)(de)施(shi)(shi)工(gong)(gong)方法。頂(ding)管(guan)(guan)(guan)(guan)(guan)施(shi)(shi)工(gong)(gong)解決了管(guan)(guan)(guan)(guan)(guan)道(dao)埋設施(shi)(shi)工(gong)(gong)中對城市(shi)建筑(zhu)物(wu)的(de)(de)(de)(de)破壞和(he)道(dao)路交(jiao)通的(de)(de)(de)(de)堵塞(sai)等難題，在穩定土層(ceng)和(he)環境保(bao)護方面凸顯(xian)其(qi)優勢，對交(jiao)通繁忙、人口密(mi)集、地(di)(di)面建筑(zhu)物(wu)眾多(duo)、地(di)(di)下管(guan)(guan)(guan)(guan)(guan)線復(fu)雜的(de)(de)(de)(de)城市(shi)是非常重要的(de)(de)(de)(de)，它將(jiang)為城市(shi)創(chuang)造一(yi)個潔凈(jing)、舒(shu)適(shi)和(he)美好的(de)(de)(de)(de)環境。

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