Research Article
The Impact Behavior between Coal Gangue Particles and the Tail Beam Based on Rock Failure
Table 2
Main material properties in particle model.
| Material | Density () | Elastic modulus (P)a | Poisson’s ratio | Shatter strength (MPa) |
| Coal (elastic) | 1380 | 2.20 109 | 0.28 | — | Coal (brittle) | 1380 | 2.20 109 | 0.28 | 5 | Vulnerable elements | — | — | — | 1 |
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