开挖引起的隧道位移动态多目标优化反演预测

何维, 孙宏磊, 陶袁钦, 蔡袁强

Dynamic Multi-Objective Optimization Inverse Prediction of Excavation-Induced Tunnel Displacement

HE Wei, SUN Honglei, TAO Yuanqin, CAI Yuanqiang

表3 土体修正剑桥模型参数

Tab.3 Soil parameters of modified Cam clay model

土层 临界状态应力比M 回弹参数κ 泊松比ν 压缩参数λ 起始孔隙比e0 软黏土 1.20 (0.80~1.40) 0.020 (0.007~0.040) 0.30 (0.25~0.35) 0.20 2.0