Open Access
Table 2
Setting of adhesion parameters between particles.
| Contact type | Kn/(N/m) | Ks/(N/m) | σ/MPa | τ/MPa |
|---|---|---|---|---|
| Coal and coal | 1.02 × 108 | 6.82 × 107 | 5262 | 7544 |
| Between hard concretions | 5.17 × 108 | 3.44 × 108 | 1138 | 1379 |
| Coal and hard concretion | 1.47 × 108 | 9.77 × 107 | 5216 | 6833 |
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