基于分数阶模型的隧道周围土体非线性流变固结分析

胡安峰,姜浩,肖志荣,谢森林,龚昭祺,李文乾

Nonlinear rheological consolidation analysis of soil around tunnel based on fractional order model

An-feng HU,Hao JIANG,Zhi-rong XIAO,Sen-lin XIE,Zhao-qi GONG,Wen-qian LI

表 1 模型几何参数和物理参数

Tab.1 Geometric and physical parameters of model

参数 数值 参数 数值 h/m 11 H/m 30 r2/m 3.10 u0/kPa 30 r1/m 2.75 Cc 0.25 ks/(m·s−1) 5.40×10−9 Ck 0.25 κ 0.018 γs/(N·m−3) 18 B/m 25 e0 1.40