Research Article
Calibration of Contact Parameters for Moist Bulk of Shotcrete Based on EDEM
Table 1
Parameters of Plackett–Burman test.
| Symbol | Parameters | Parameter levels | −1 | +1 |
| T1 | P-P1 restitution coefficient | 0.4 | 0.8 | T2 | P-P static friction coefficient | 0.01 | 1 | T3 | P-P rolling friction coefficient | 0.01 | 0.1 | T4 | P-S2 restitution coefficient | 0.4 | 0.8 | T5 | P-S static friction coefficient | 0.5 | 1 | T6 | P-S rolling friction coefficient | 0.05 | 0.2 | T7 | Surface energy | 0.01 | 0.5 | T8, T9, T10 and T11 | Virtual parameters | −1 | +1 |
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Note. 1: particle-particle; 2: particle-steel.
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