制約長距(ju)離頂管(guan)的(de)一個重要(yao)(yao)因素(su)是推力(li)陽9’3引，頂管(guan)工(gong)程的(de)設(she)(she)計施工(gong)中，工(gong)作(zuo)坑、管(guan)道材(cai)料、中繼站、其(qi)他設(she)(she)備，都要(yao)(yao)以頂管(guan)頂進(jin)阻… 

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 1頂(ding)(ding)管施工時2根(gen)管道(dao)錯開頂(ding)(ding)進(jin)，錯開距(ju)離為100m左右，在(zai)一(yi)根(gen)頂(ding)(ding)進(jin)的同時另外一(yi)根(gen)進(jin)行拼(pin)裝焊接，以減少(shao)對土體的擾(rao)動。2初始頂(ding)(ding)…

土壓平(ping)衡(heng)式頂管是(shi)以土壓平(ping)衡(heng)為工(gong)(gong)作原理的一種頂管施工(gong)(gong)方法.在工(gong)(gong)作時,通(tong)過(guo)大刀(dao)盤(pan)及仿形(xing)刀(dao)盤(pan)對機頭正面土體的全端面切(qie)削,利用(yong)主…

泥(ni)(ni)水(shui)(shui)平衡頂(ding)(ding)管(guan)施工(gong)(gong)工(gong)(gong)法是用(yong)泥(ni)(ni)水(shui)(shui)平衡頂(ding)(ding)管(guan)機(ji)施工(gong)(gong)的(de)一(yi)種頂(ding)(ding)管(guan)施工(gong)(gong)工(gong)(gong)藝。它在施工(gong)(gong)時通過進水(shui)(shui)管(guan)向(xiang)頂(ding)(ding)管(guan)機(ji)刀(dao)盤后的(de)泥(ni)(ni)水(shui)(shui)艙內供(gong)給一(yi)定比重、…