Table 2 PFC3D mesoscopic parameter table.
Mesoscopic parameters | Taking values | Mesoscopic parameters | Taking values |
|---|---|---|---|
Porosity | 0.25 | Parallel bond contact modulus/GPa | 0.8 |
The minimum particle size/mm | 0.9 | Parallel bond stiffness ratio/MPa | 1.2 |
Particle size ratio/mm | 1.66 | Parallel bond cohesion/MPa | 25 |
Particle density (kg/m3) | 2700 | Parallel bond friction angle/° | 30 |
Solid friction factor | 0.45 | Parallel bond friction coefficient | 0.45 |
Parallel bond-radius multiplier | 1.05 | Parallel bond characteristic strength/MPa | 25 |
