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 9 不同埋深条件下压力折减系数与地面沉降关系曲线

Fig.9 Relationship between pressure reduction factor and ground settlement for different cover depths