Research Article
Spatial and Temporal Distribution Law and Influencing Factors of the Mining-Induced Deformation and Failure of Gas Boreholes
Table 4
Material parameters for bolts and cables.
| | | Elasticity modulus (GPa) | Cross-sectional area (m2) | Grout cohesion (kN/m) | Grout stiffness (GPa) | Ultimate tensile capacity (kN) | Pretensile (kN) |
| | Bolt | 200 | 0.00038 | 1400 | 0.11 | 152 | 80 | | Cable | 200 | 0.00038 | 1400 | 0.11 | 700 | 120 |
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