Research Article
Theoretical and Experimental Study of the Effects of Impact Drilling Parameters on the Properties of Surrounding Rock Damage
Table 5
Experimental parameters and fitting parameters.
| Specimen number | Parameters | E (GPa) | Φ (°) | μ | C (MPa) | m | F0 | η |
| A1 | 58.92 | 48.3 | 0.216 | 30.5 | 12.35 | 213.7 | 0.2 | B5 | 58.92 | 48.3 | 0.216 | 30.5 | 11.96 | 212.49 | 0.2 | C1 | 58.92 | 48.3 | 0.216 | 30.5 | 12.61 | 206.54 | 0.2 | D3 | 58.92 | 48.3 | 0.216 | 30.5 | 11.76 | 214.70 | 0.2 | E5 | 58.92 | 48.3 | 0.216 | 30.5 | 10.82 | 207.19 | 0.2 | F6 | 58.92 | 48.3 | 0.216 | 30.5 | 12.03 | 224.83 | 0.2 |
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