制約(yue)長距離頂管(guan)的(de)一(yi)個重要(yao)(yao)因素是推力陽9’3引，頂管(guan)工(gong)程的(de)設計施工(gong)中，工(gong)作坑(keng)、管(guan)道(dao)材料(liao)、中繼站(zhan)、其他設備，都要(yao)(yao)以頂管(guan)頂進阻(zu)…

1、當工(gong)具管前(qian)面(mian)(mian)刃腳切入土中，會引起前(qian)方土體(ti)松(song)動(dong)而坍塌，周圍土體(ti)也(ye)會松(song)動(dong)。 2、每(mei)一次(ci)土體(ti)的取出，都是同過挖(wa)除工(gong)作面(mian)(mian)范圍…

1頂(ding)管(guan)施工時2根(gen)(gen)管(guan)道錯開頂(ding)進，錯開距離為100m左(zuo)右，在(zai)一根(gen)(gen)頂(ding)進的同時另外一根(gen)(gen)進行拼裝焊接，以(yi)減(jian)少對土體的擾(rao)動。2初(chu)始頂(ding)…

土(tu)壓(ya)平衡式頂管是(shi)以(yi)土(tu)壓(ya)平衡為工作原理(li)的一(yi)種頂管施工方法.在工作時(shi),通(tong)過大刀盤及仿(fang)形刀盤對機頭正(zheng)面土(tu)體的全端面切削,利用主(zhu)…

泥(ni)水(shui)(shui)平衡(heng)頂管(guan)施(shi)工(gong)工(gong)法是用(yong)泥(ni)水(shui)(shui)平衡(heng)頂管(guan)機施(shi)工(gong)的一種(zhong)頂管(guan)施(shi)工(gong)工(gong)藝(yi)。它在施(shi)工(gong)時通過進水(shui)(shui)管(guan)向頂管(guan)機刀盤后的泥(ni)水(shui)(shui)艙內(nei)供給一定比重、…