制約長距離(li)頂(ding)(ding)管(guan)的一個(ge)重要因素是推力陽9’3引，頂(ding)(ding)管(guan)工程(cheng)的設(she)計(ji)施工中，工作坑、管(guan)道材料、中繼(ji)站、其他設(she)備，都要以頂(ding)(ding)管(guan)頂(ding)(ding)進(jin)阻…

1、當工具(ju)管前面刃(ren)腳切(qie)入土(tu)中(zhong)，會引起前方土(tu)體松動而坍塌(ta)，周(zhou)圍土(tu)體也(ye)會松動。 2、每一次(ci)土(tu)體的取出，都是同過挖除(chu)工作面范圍…

1頂(ding)管施工時(shi)2根(gen)管道錯開頂(ding)進，錯開距(ju)離為100m左右，在一根(gen)頂(ding)進的同時(shi)另(ling)外一根(gen)進行拼裝焊接，以(yi)減少對土體的擾動。2初(chu)始頂(ding)… 

 土壓(ya)(ya)平衡式頂管是以土壓(ya)(ya)平衡為工(gong)(gong)作(zuo)(zuo)原理的(de)一種(zhong)頂管施工(gong)(gong)方法.在工(gong)(gong)作(zuo)(zuo)時,通(tong)過大刀盤及仿形(xing)刀盤對機頭正(zheng)面土體(ti)的(de)全(quan)端(duan)面切削,利(li)用主(zhu)…

泥水(shui)(shui)平衡頂管(guan)(guan)施(shi)工(gong)工(gong)法是用(yong)泥水(shui)(shui)平衡頂管(guan)(guan)機(ji)(ji)施(shi)工(gong)的(de)一(yi)種頂管(guan)(guan)施(shi)工(gong)工(gong)藝。它在(zai)施(shi)工(gong)時通過進水(shui)(shui)管(guan)(guan)向(xiang)頂管(guan)(guan)機(ji)(ji)刀(dao)盤后(hou)的(de)泥水(shui)(shui)艙(cang)內供給一(yi)定比(bi)重、…