| 实验煤样 | 轴压(MPa) | 围压(MPa) | 气压(MPa) |
| SH7-1 | 5 | 1.5 | 1 |
| 0.8 | |||
| 0.6 | |||
| 0.4 | |||
| 0.2 | |||
| SH7-2 | 7.5 | 2.4 | 1 |
| 0.8 | |||
| 0.6 | |||
| 0.4 | |||
| 0.2 | |||
| SH7-3 | 10 | 3 | 1 |
| 0.8 | |||
| 0.6 | |||
| 0.4 | |||
| 0.2 |