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1頂(ding)(ding)管施工(gong)時(shi)(shi)2根管道錯(cuo)開(kai)頂(ding)(ding)進，錯(cuo)開(kai)距離(li)為100m左右(you)，在一(yi)根頂(ding)(ding)進的同時(shi)(shi)另外一(yi)根進行拼裝焊接，以減少(shao)對土體的擾(rao)動。2初(chu)始(shi)頂(ding)(ding)…

土(tu)壓平衡式頂管是以土(tu)壓平衡為(wei)工(gong)作(zuo)(zuo)原理的一種(zhong)頂管施工(gong)方(fang)法.在工(gong)作(zuo)(zuo)時(shi),通過大刀盤及仿形刀盤對機頭正面(mian)(mian)土(tu)體的全端(duan)面(mian)(mian)切削,利用主… 

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