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 12 管间土拱模型与管土拱模型示意图
Fig.12 Schematic diagram of inter-pipe soil arch model and pipe soil arching model