Research Article
Particle Flow Analysis of Mechanical Properties and Failure Behaviour in Composite Rock Strata with Holes
Table 2
Microparameters used in PFC for complicated rock strata.
| | Effective modulus (GPa) | Bond effective modulus (GPa) | Cohesion (MPa) | Tensile strength (MPa) | Friction angle (°) | |
| | Soft rock | 0.8 | 0.9 | 4.7 | 6.1 | 34 | 0.5 | | Hard rock | 3 | 4.4 | 20.3 | 23.3 | 45 | 0.5 | | Structural plane | 0.6 | 0.6 | 3 | 3.6 | 38 | 0.3 |
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