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 4 不同支护压力下的土体偏应变云图(C/D=1.5,φ=25°)
Fig.4 Deviatoric strain contours of soil under different support pressures (C/D=1.5, φ=25°)