考虑自重应力的隧道周围土体非线性固结特性分析

胡安峰, 陈俞超, 肖志荣, 谢森林, 龚昭祺

Analysis of Nonlinear Consolidation Characteristics of Soil Around Tunnels Considering Self-Gravity Stress

HU Anfeng, CHEN Yuchao, XIAO Zhirong, XIE Senlin, GONG Zhaoqi

表1 土体基本参数

Tab.1 Basic parameters of soil

参数 取值 ks1/(m·s-1) 4.0×10-9 Cc 0.2 Ck 0.2 e1 1.0 σ'1/kPa 200 γsat/(kN·m-3) 18 H/m 30