Research Article
Simulation and Experimental Study on the Discontinuous Dynamic Impact on Unidirectional Confined Coal-Rock Damage
Table 1
Model loading mechanics parameters.
| Model | No. | Constraint static load MPa | Impact velocity m/s |
| Impulse model | a | 2 | 2.08 | b | 2 | 2.94 | c | 2 | 3.60 | d | 2 | 4.15 | e | 2 | 4.64 | f | 2 | 5.48 |
| Constraint static load model | a | 0 | 2.08 | b | 1 | 2.08 | c | 2 | 2.08 | d | 3 | 2.08 | e | 4 | 2.08 | f | 5 | 2.08 |
|
|