管幕预筑法顶管施工顺序对地表沉降的影响 |
杨松松,王梅,杜建安,郭勇,耿炎 |
Influence of construction sequence of pipe jacking by pipe-roof pre-construction method on ground surface settlement |
Song-song YANG,Mei WANG,Jian-an DU,Yong GUO,Yan GEN |
图 4 北通道钢管止水帷幕 |
Fig.4 North passage waterproof steel pipe-roof |
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