Research Article
Effect of Multiple Hole Distribution and Shape Based on Particle Flow on Rocklike Failure Characteristics and Mechanical Behavior
Table 1
Micromechanics parameters based on PFC.
| Parameter | Value |
| Minimum particle diameter (mm) | 0.3 | Particle diameter ratio | 1.6 | Density (kg/m3) | 1470 | Contact modulus of the particle (GPa) | 1.32 | CB gap (mm) | 0.05 | Normal critical damping ratio | 0.5 | Porosity | 0.1 | PB friction angle (°) | 35 | PB tensile strength (MPa) | 3.5 | PB cohesive force (MPa) | 6.3 |
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