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Micro-mechanical parameters used in the simulation model after calibration.
| Micro-mechanical parameters | Value |
|---|---|
| Minimum particle radius/m | 0.018 |
| Ratio of maximum radius to the minimum radius | 1.66 |
| Particle density kg/m3 | 2550 |
| Porosity | 0.09 |
| Particle friction coefficient | 0.50 |
| Normal bond strength/MPa | 16.5 |
| Tangential bond strength/MPa | 26.0 |
| Bond stiffness ratio | 2.50 |
| Adhesion modulus/GPa | 8.0 |
