Research Article
Analysis of the Damage Characteristics and Energy Dissipation of Rocks with a Vertical Hole under Cyclic Impact Loads
Table 1
Scheme of the impact experiment.
| Experimental group | Aspect ratio | Impact air pressure (MPa) |
| Constant-amplitude pressure shock load | 2.0 | 0.6 | 2.0 | 0.7 | 2.0 | 0.8 |
| Uneven-amplitude air pressure shock load | 2.0 | 0.6–0.7 | 2.0 | 0.7–0.8 |
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