大型复杂采空区群的稳定性数值分析及隐患区域预测
李杰林,高乐,杨承业,周科平

Numerical Analysis of Stability of Large Complex Goaf Group and Prediction of Hidden Danger Area
Jielin LI,Le GAO,Chengye YANG,Keping ZHOU
表2 岩体物理参数
Table 2 Mechanical parameters of rock mass
岩体类别密度/(kg·m-3抗拉强度/MPa内聚力/MPa内摩擦角/(°)剪切模量/GPa体积模量/GPa
变钠质熔岩2.930.2302.67950.294.6376.449
磁铁矿3.050.9713.54547.156.0839.237