Research Article
Numerical Simulation of Strength, Deformation, and Failure Characteristics of Rock with Fissure Hole Defect
Table 3
Mechanical parameters of sandstone model based on PFC.
| Parameter | Value |
| Minimum particle diameter (mm) | 0.3 | Particle diameter ratio | 1.5 | Density (kg/m3) | 2490 | Contact modulus of the particle (GPa) | 3.19 | Contact bond gap (mm) | 0.05 | Porosity | 0.1 | Parallel bond friction angle (°) | 38 | Parallel bond tensile strength (MPa) | 22.3 | Normal critical damping ratio | 0.5 | Parallel bond cohesive force (MPa) | 33 |
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