Research Article
Mechanism of Roadway Floor Heave Controlled by Floor Corner Pile in Deep Roadway under High Horizontal Stress
Table 1
Mechanical parameters of the model.
| | Rock | Density ρ (kg/m3) | Bulk modulus K (GPa) | Shear modulus G (GPa) | Cohesion c (MPa) | Internal friction angle φ (°) |
| | Mudstone | 2500 | 2.8 | 1.75 | 1.4 | 18 | | Sandstone | 2480 | 3.6 | 2.25 | 2.58 | 34 | | Sandy mudstone | 2510 | 4.2 | 2.7 | 1.8 | 31 |
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