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 3 不同方案引起的地表累计沉降预测

Tab.3 Prediction of accumulated surface settlement caused by different schemes

mm 方案 S0 S10 S20 方案一 35.6 37.2 38.0 方案二 34.0 36.8 37.5 方案三 40.2 38.8 39.6 方案四 44.8 46.2 42.0 方案五 43.4 46.2 44.8 方案六 42.2 46.2 44.8 方案七 40.2 42.2 42.8 方案八 38.6 39.2 38.9