Research Article
Energy Action Mechanism of Coal and Gas Outburst Induced by Rockburst
Table 3
Basic parameters of the model.
| Parameter | Value |
| Elastic modulus of rock (GPa) | 40 | Poisson ratio of rock | 0.25 | Density of rock (kg·m−3) | 2300 | Cohesion of rock (MPa) | 20 | Internal frictional angle of rock (°) | 27 | Elastic modulus of coal (GPa) | 20 | Poisson ratio of coal | 0.4 | Density of coal (kg·m−3) | 1400 | Cohesion of coal (MPa) | 2.5 | Internal frictional angle of coal (°) | 40 |
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