制(zhi)約長距離頂管(guan)的一個重要(yao)(yao)因素是推力陽9’3引，頂管(guan)工(gong)(gong)程的設(she)(she)計(ji)施工(gong)(gong)中，工(gong)(gong)作坑、管(guan)道材料、中繼(ji)站、其他設(she)(she)備，都(dou)要(yao)(yao)以頂管(guan)頂進阻(zu)…

 1、當工具管前(qian)面刃腳(jiao)切入(ru)土(tu)(tu)中，會引起前(qian)方土(tu)(tu)體松(song)動而坍(tan)塌，周(zhou)圍(wei)土(tu)(tu)體也會松(song)動。 2、每一次土(tu)(tu)體的取出，都是同過挖除工作(zuo)面范圍(wei)…

1頂管施工時2根管道錯(cuo)開(kai)頂進(jin)，錯(cuo)開(kai)距離(li)為100m左右(you)，在一根頂進(jin)的同時另外一根進(jin)行(xing)拼裝(zhuang)焊接(jie)，以減少對土(tu)體的擾動。2初(chu)始(shi)頂…

 土(tu)壓(ya)平衡(heng)式頂(ding)(ding)管是(shi)以(yi)土(tu)壓(ya)平衡(heng)為工作(zuo)原理的一種(zhong)頂(ding)(ding)管施工方法.在工作(zuo)時,通過大刀盤及仿形刀盤對機頭正面土(tu)體的全端面切(qie)削,利(li)用主… 

泥(ni)水平(ping)衡頂(ding)管(guan)施(shi)工(gong)(gong)工(gong)(gong)法(fa)是用泥(ni)水平(ping)衡頂(ding)管(guan)機(ji)施(shi)工(gong)(gong)的一種頂(ding)管(guan)施(shi)工(gong)(gong)工(gong)(gong)藝。它在施(shi)工(gong)(gong)時(shi)通過(guo)進水管(guan)向(xiang)頂(ding)管(guan)機(ji)刀盤后的泥(ni)水艙內供給一定比重、…