天津某超深地铁基坑变形分析与小应变硬化参数取值

张中杰,周赫宸,顾晓强,陈加核,吴航

Deformation analysis and parameter determination of hardening soil model with small strain of an ultra-deep subway excavation in Tianjin

Zhongjie ZHANG,Hechen ZHOU,Xiaoqiang GU,Jiahe CHEN,Hang WU

表 7 不同开挖阶段围护墙最大侧移

Tab.7 Maximum lateral displacement of wall in different excavation stages

开挖阶段 $\delta_{\mathrm{hm,M}} $/mm $\delta_{\mathrm{hm,C}} $ 本研究方法 常规方法 Phase I 13.6 10.3 14.6 Phase II 17.6 10.9 15.2 Phase III 23.5 15.8 23.5 Phase IV 28.4 25.8 39.7 Phase V 38.9 38.5 60.7 Phase VI 39.7 46.6 76.7