Based on rock mechanics theory and 3d numerical modeling, a synthetical safety evaluation for the roof stability has been put forward and verified by the case study.
根据岩石力学理论和三维数值模拟计算，结合我国一些金属矿工程实例研究，提出了地下采空区顶板稳定性的综合安全评判方法。
Based on rock mechanics theory and 3d numerical modeling, a synthetical safety evaluation for the roof stability has been put forward and verified by the case study.
根据岩石力学理论和三维数值模拟计算，结合我国一些金属矿工程实例研究，提出了地下采空区顶板稳定性的综合安全评判方法。
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