Research Article
Mechanism of Coal Burst and Prevention Practice in Deep Asymmetric Isolated Coal Pillar: A Case Study from YaoQiao Coal Mine
Table 2
Overburden parameters for breaking information.
| | i | Hi (m) | Li (m) | Mi (m) | mi (m) | σi (MPa) | α (°) | γ (kN·m−3) |
| | 1 | 30.15 | 35.2 | 26.34 | 33.36 | 7.24 | 83 | 25.5 | | 3 | 88.4 | 50.8 | 23.28 | 58.62 | 4.89 | | 2 | 167.94 | 65.7 | 18.68 | 78.52 | 3.95 | | 4 | 271.09 | 88.6 | 30.57 | 130.63 | 5.47 | | 5 | 452.67 | 134.2 | 71.34 | 325 | 12.21 |
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