上覆公路浅埋采空区群稳定性数值模拟
杨仕教,王志会
Numerical Simulation on Stability of Shallow-buried Goaf Group with Overlying Highway
Shijiao YANG,Zhihui WANG
图7
矿柱中等高度最大主应力云图
Fig.7
Contour of maximum principal stress in medium height of pillar