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 5 σT=51 kPa时土体体应变云图(C/D=1.5,φ=25°)
Fig.5 Volumetric strain contour of soil at σT=51 kPa (C/D=1.5, φ=25°)