Research Article
Research on Deformation and Failure Evolution of Deep Rock Burst Drivage Roadway Surrounding Rock under Dynamic Disturbance
Table 1
Mechanical parameters of rock mass.
| Lithology | K (GPa) | (GPa) | C (MPa) | φ (°) | γ (kg·m−3) | σ (MPa) |
| Mudstone | 7.36 | 4.00 | 3.40 | 35 | 2724 | 2.20 | Fine sandstone | 6.83 | 6.24 | 3.30 | 40 | 2700 | 4.19 | Argillaceous sandstone | 5.00 | 4.00 | 3.26 | 37 | 2480 | 3.78 | Fine sandstone | 6.83 | 6.24 | 3.30 | 40 | 2700 | 4.19 | Sandy mudstone | 5.20 | 3.10 | 3.20 | 37 | 2657 | 2.20 | Coal | 0.98 | 0.37 | 1.40 | 31 | 1450 | 0.30 | Sandy mudstone | 5.20 | 3.10 | 3.20 | 37 | 2657 | 2.20 | Fine sandstone | 6.83 | 6.24 | 3.30 | 40 | 2700 | 4.19 | Mudstone | 7.36 | 4.00 | 3.40 | 35 | 2724 | 2.20 | Fine sandstone | 6.83 | 6.24 | 3.30 | 40 | 2700 | 4.19 | Argillaceous sandstone | 5.00 | 4.00 | 3.26 | 37 | 2480 | 3.78 | Fine sandstone | 6.83 | 6.24 | 3.30 | 40 | 2700 | 4.19 | Mudstone | 7.36 | 4.00 | 3.40 | 35 | 2724 | 2.20 |
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Note. K is the bulk modulus; is the shear modulus; c is the cohesion; φ is the friction angle; γ is the density; σ is the tensile strength. |