Research Article
Experimental Study on Triaxial Unloading Failure of Deep Composite Coal-Rock
Table 5
Verification of experimental results.
| No. | Initial confining pressure (MPa) | Triaxial compressive strength (MPa) | Deviation rate (%) |
| T7 | 12 | 52.493 | 0.451 | T8 | 12 | 53.302 | 1.083 | T9 | 12 | 52.845 | 0.216 | T10 | 17 | 70.251 | 1.153 | T11 | 17 | 68.987 | 0.667 | T12 | 17 | 69.521 | 0.102 |
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