制約長距離(li)頂(ding)管(guan)的一個重要因素是推力(li)陽9’3引，頂(ding)管(guan)工程的設(she)計施工中，工作(zuo)坑、管(guan)道材(cai)料、中繼站、其他設(she)備，都要以頂(ding)管(guan)頂(ding)進阻(zu)…

1、當工具管前(qian)面刃(ren)腳(jiao)切(qie)入(ru)土中，會(hui)引起前(qian)方(fang)土體(ti)(ti)松(song)動而坍塌，周(zhou)圍土體(ti)(ti)也會(hui)松(song)動。 2、每一次(ci)土體(ti)(ti)的取出(chu)，都是同過挖除工作面范圍…

1頂(ding)(ding)管施工時2根(gen)管道錯開頂(ding)(ding)進，錯開距離為100m左右，在一(yi)根(gen)頂(ding)(ding)進的同(tong)時另(ling)外(wai)一(yi)根(gen)進行拼裝焊接，以減少對土體(ti)的擾動。2初始(shi)頂(ding)(ding)…

土(tu)壓(ya)平衡式(shi)頂管是(shi)以(yi)土(tu)壓(ya)平衡為工作原理(li)的一種頂管施工方(fang)法.在工作時(shi),通過(guo)大刀(dao)盤(pan)及仿形刀(dao)盤(pan)對(dui)機頭(tou)正(zheng)面土(tu)體的全(quan)端面切削,利用主(zhu)…

泥水(shui)平衡(heng)頂(ding)管(guan)(guan)施工(gong)(gong)工(gong)(gong)法是用泥水(shui)平衡(heng)頂(ding)管(guan)(guan)機施工(gong)(gong)的一種頂(ding)管(guan)(guan)施工(gong)(gong)工(gong)(gong)藝。它在施工(gong)(gong)時(shi)通(tong)過進水(shui)管(guan)(guan)向頂(ding)管(guan)(guan)機刀盤后(hou)的泥水(shui)艙內供給一定比重、…