Research Article
Energy Action Mechanism of Coal and Gas Outburst Induced by Rockburst
Table 1
The basic parameters and experimental conditions of the specimen.
| | Serial number | Quality (g) | Height (cm) | Diameter (cm) | Draw ratio | Bullet velocity (m·s−1) | Strain rate (s−1) |
| | 1 | 85.5 | 3.61 | 5 | 0.72 | 1.877 | 73 | | 2 | 80.4 | 3.39 | 5 | 0.68 | 4.108 | 78 | | 3 | 79.9 | 3.37 | 5 | 0.67 | 4.032 | 81 | | 4 | 79.2 | 3.36 | 5 | 0.67 | 6.203 | 101 | | 5 | 79.6 | 3.38 | 5 | 0.68 | 6.416 | 115 | | 6 | 79.8 | 3.4 | 5 | 0.68 | 7.175 | 129 | | 7 | 79.4 | 3.34 | 5 | 0.67 | 8.903 | 160 | | 8 | 78.9 | 3.36 | 5 | 0.67 | 7.417 | 174 | | 9 | 79.3 | 3.36 | 5 | 0.67 | 10.36 | 193 | | 10 | 77.5 | 3.24 | 5 | 0.65 | 8.523 | 214 | | 11 | 69 | 2.84 | 5 | 0.57 | 8.602 | 219 | | 12 | 80.9 | 3.49 | 5 | 0.70 | 10.81 | 221 | | 13 | 72.7 | 3.03 | 5 | 0.61 | 9.723 | 268 | | 14 | 74.6 | 3.07 | 5 | 0.61 | 9.79 | 279 |
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