Research Article
Disaster Control of Roof Falling in Deep Coal Mine Roadway Subjected to High Abutment Pressure
| Parameter | Value | Parameter | Value | Parameter | Value |
| Depth of coal seam, | 992.8 m | Young’s modulus of the coal seam, | 0.53 GPa | Thickness of immediate roof, | 2.5 m | Unit weight of overburden, | 0.025 MN/m3 | Poisson’s ratio of the coal seam, | 0.37 | Range of side abutment pressure, | 12.5 m | Thickness of coal seam, | 5.0 m | Span of the roadway, | 5.0 m | Peak value of front abutment pressure, | 25 MPa |
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