厚硬顶板弱化前后垮落致灾数值模拟研究
Numerical Simulation of Collapse Disaster Before and After Weakening of Thick and Hard Roof
厚硬顶板弱化前后垮落致灾数值模拟研究 |
| 吕闹,汪海波 |
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Numerical Simulation of Collapse Disaster Before and After Weakening of Thick and Hard Roof |
| Nao LV,Haibo WANG |
| 图3 顶板未弱化时不同时刻采空区及巷道内的风速云图 |
| Fig.3 Wind velocity cloud map of goaf and roadway at different times before roof weakening |
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