支护压力控制下隧道周围砂土变形破坏物质点法模拟

张春新,朱鸿鹄,李豪杰,张巍,刘春

Material point method simulations of sand deformation and failure around tunnel controlled by support pressure

Chun-xin ZHANG,Hong-hu ZHU,Hao-jie LI,Wei ZHANG,Chun LIU

图 10 不同压力折减系数下土体偏应变云图

Fig.10 Deviatoric strain contours of soil at different pressure reduction factors