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 13 λ=0.95时不同内摩擦角条件下的土体偏应变云图

Fig.13 Deviatoric strain contours of soil with different friction angles at λ=0.95