非(fei)開(kai)挖(wa)(wa)技術在(zai)(zai)國外已廣泛使(shi)用，在(zai)(zai)國內(nei)也逐(zhu)漸(jian)普(pu)及。不開(kai)挖(wa)(wa)地面就能(neng)穿越(yue)公路(lu)、鐵路(lu)、河流(liu)，甚至能(neng)在(zai)(zai)建(jian)筑(zhu)物(wu)底下(xia)穿過，是一種能(neng)安全(quan)有(you)效地進行環境(jing)保護的(de)施(shi)(shi)(shi)工(gong)(gong)方(fang)法。穿越(yue)建(jian)筑(zhu)時對基(ji)礎的(de)探(tan)查頂(ding)(ding)管(guan)在(zai)(zai)建(jian)筑(zhu)物(wu)基(ji)礎下(xia)施(shi)(shi)(shi)工(gong)(gong)時，需要明確施(shi)(shi)(shi)工(gong)(gong)施(shi)(shi)(shi)工(gong)(gong)路(lu)線上所(suo)遇(yu)到的(de)基(ji)礎類型，對于(yu)部分基(ji)礎頂(ding)(ding)管(guan)頂(ding)(ding)進前可采取托換、加(jia)固措(cuo)施(shi)(shi)(shi)。施(shi)(shi)(shi)工(gong)(gong)人員更(geng)應經過嚴格培(pei)訓(xun)，熟練掌(zhang)握施(shi)(shi)(shi)工(gong)(gong)技巧(qiao)，非(fei)開(kai)挖(wa)(wa)頂(ding)(ding)管(guan)施(shi)(shi)(shi)工(gong)(gong)隊，保證施(shi)(shi)(shi)工(gong)(gong)順利進行，人員在(zai)(zai)頂(ding)(ding)管(guan)內(nei)操作的(de)情況下(xia)，需要定時監測管(guan)內(nei)有(you)毒體含量(liang)。

該技術(shu)在我(wo)國沿海經濟發達(da)地(di)區廣(guang)泛用于城市(shi)地(di)下(xia)給排水管(guan)(guan)(guan)(guan)道(dao)(dao)、石(shi)油管(guan)(guan)(guan)(guan)道(dao)(dao)、通訊電纜等各種管(guan)(guan)(guan)(guan)道(dao)(dao)的(de)非開(kai)挖鋪設(she)。頂(ding)管(guan)(guan)(guan)(guan)施(shi)工(gong)借助(zhu)于主頂(ding)油缸及管(guan)(guan)(guan)(guan)道(dao)(dao)間(jian)中繼間(jian)等的(de)推力(li)(li)，把(ba)工(gong)具管(guan)(guan)(guan)(guan)或掘(jue)進(jin)機從工(gong)作井(jing)內(nei)穿過土層(ceng)一直推到接收井(jing)內(nei)吊起。與(yu)此(ci)同時，也就把(ba)緊隨(sui)工(gong)具管(guan)(guan)(guan)(guan)或掘(jue)進(jin)機后(hou)的(de)管(guan)(guan)(guan)(guan)道(dao)(dao)埋(mai)設(she)在兩井(jing)之間(jian)，以期實現非開(kai)挖敷(fu)設(she)地(di)下(xia)管(guan)(guan)(guan)(guan)道(dao)(dao)的(de)施(shi)工(gong)方法。地(di)下(xia)管(guan)(guan)(guan)(guan)線是城市(shi)基礎設(she)施(shi)的(de)重要組成(cheng)部分(fen)，電纜管(guan)(guan)(guan)(guan)、上下(xia)水管(guan)(guan)(guan)(guan)網、熱(re)力(li)(li)(動(dong)力(li)(li))管(guan)(guan)(guan)(guan)道(dao)(dao)同地(di)下(xia)鐵道(dao)(dao)一起，被稱為城市(shi)的(de)生命線，隨(sui)著社會的(de)發展，地(di)下(xia)管(guan)(guan)(guan)(guan)線的(de)長度(du)持續增加，非開(kai)挖市(shi)場存(cun)在生長空間(jian)。

它(ta)的技術要(yao)點在(zai)于糾(jiu)正管(guan)(guan)(guan)(guan)子在(zai)地(di)下(xia)延伸的偏差(cha)。特別(bie)適(shi)用于大中(zhong)型管(guan)(guan)(guan)(guan)徑的非開挖鋪設(she)。具(ju)有經濟、，保護環境的綜合功能。一(yi)節(jie)管(guan)(guan)(guan)(guan)子完(wan)成頂入(ru)土層之后(hou)，再下(xia)第二節(jie)管(guan)(guan)(guan)(guan)子繼(ji)續頂進(jin)。其原理是(shi)借助于主頂油缸及管(guan)(guan)(guan)(guan)道(dao)間、中(zhong)繼(ji)間等推力，把工(gong)具(ju)管(guan)(guan)(guan)(guan)或(huo)掘進(jin)機從工(gong)作坑內(nei)(nei)穿(chuan)過(guo)土層一(yi)直推進(jin)到接(jie)收坑內(nei)(nei)吊起(qi)。管(guan)(guan)(guan)(guan)道(dao)緊隨(sui)工(gong)具(ju)管(guan)(guan)(guan)(guan)或(huo)掘進(jin)機后(hou)，埋設(she)在(zai)兩坑之間。地(di)下(xia)管(guan)(guan)(guan)(guan)線(xian)是(shi)城市(shi)基礎設(she)施的重要(yao)組成部分，電纜管(guan)(guan)(guan)(guan)、上下(xia)水管(guan)(guan)(guan)(guan)網(wang)、熱力(動力)管(guan)(guan)(guan)(guan)道(dao)同地(di)下(xia)鐵道(dao)一(yi)起(qi)，被稱為城市(shi)的生命(ming)線(xian)，隨(sui)著社(she)會的發展，地(di)下(xia)管(guan)(guan)(guan)(guan)線(xian)的長度持續增加。