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

表 2 现场土体物理力学参数

Tab.2 On-site soil physical and mechanical parameters

土类名称 h/m ρ/(g·cm−3) γ/(kN·m−3) c/kPa φ/(°) μ E/MPa 填土 9.6 2.02 19.81 10.00 9.00 0.4 16.7 黄土 5.4 1.96 19.2 30.69 18.03 0.4 25.6