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 8 开挖至坑底围护墙最大侧移和最大地表沉降（实测值）

Tab.8 Maximum lateral movement of retaining wall and maximum surface settlement of excavation at final excavation depth (measured value)

测点 H/m δhm/mm δvm/mm (δhm/H)/% (δvm/H)/% J5 36.65 39.5 23.6 0.11 0.64 J8 36.65 25.9 23.3 0.07 0.64 J15 36.65 39.5 23.4 0.11 0.64 J18 36.65 39.5 23.5 0.11 0.64 J12 38.00 23.3 23.6 0.06 0.62