Research Article
Macro-Micro Failure Mechanisms and Damage Modeling of a Bolted Rock Joint
Table 1
Microparameters of the rock sample.
| Microparameters | Values | Remark |
| Minimum radius/mm | 0.5 | | Disk radius ratio | 1.66 | | Disk density/kg·m−3 | 1830 | Uniform distribution | Disk contact modulus/GPa | 3.95 | | Disk stiffness ratio | 1.0 | | Disk friction coefficients | 0.5 | | Parallel bond normal strength/MPa | 24.5 ± 6.5 | Normal distribution | Parallel bond shear strength/MPa | 24.5 ± 6.5 | Normal distribution | Parallel bond modulus/GPa | 3.95 | | Parallel bond stiffness ratio | 1.5 | | Parallel bond radius multiplier | 1.0 | |
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