Research Article
Study on Dynamic Behavior and Energy Dissipation of Rock considering Initial Damage Effect
Table 2
Damage degree of yellow sandstone under different freeze-thaw cycles.
| No. | Freeze-thaw cycles n | (km/s) | (km/s) | | Average |
| X0-1 | 0 | 2.688 | 2.688 | 0 | 0 | X0-2 | 2.688 | 2.688 | 0 | X0-3 | 2.688 | 2.688 | 0 |
| X5-1 | 5 | 2.688 | 1.974 | 0.461 | 0.465 | X5-2 | 2.688 | 1.956 | 0.470 | X5-3 | 2.688 | 1.968 | 0.463 |
| X10-1 | 10 | 2.688 | 1.613 | 0.640 | 0.643 | X10-2 | 2.688 | 1.588 | 0.650 | X10-3 | 2.688 | 1.632 | 0.631 |
| X20-1 | 20 | 2.688 | 1.341 | 0.736 | 0.742 | X20-2 | 2.688 | 1.352 | 0.747 | X20-3 | 2.688 | 1.347 | 0.741 |
| X30-1 | 30 | 2.688 | 1.111 | 0.829 | 0.823 | X30-2 | 2.688 | 1.134 | 0.822 | X30-3 | 2.688 | 1.143 | 0.819 |
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