Table 2 Experimental scheme diagram.
Coal sample number | Quality (g) | Initial axial pressure (MPa) | Confining pressure (MPa) | Gas pressure (MPa) | Temperature (ā) |
|---|---|---|---|---|---|
Q-1 | 259.25 | 12 | 6 | 1.4 | 25 |
Q-2 | 260.21 | 12 | 8 | 1.4 | 25 |
Q-3 | 257.99 | 12 | 10 | 1.4 | 25 |
Q-4 | 257.84 | 12 | 12 | 1.4 | 25 |
Q-5 | 255.93 | 12 | 8 | 1.0 | 25 |
Q-6 | 260.79 | 12 | 8 | 1.8 | 25 |
Q-7 | 263.50 | 12 | 8 | 2.2 | 25 |
Q-8 | 260.75 | 12 | 8 | 1.4 | 35 |
Q-9 | 260.22 | 12 | 8 | 1.4 | 45 |
Q-10 | 259.45 | 12 | 8 | 1.4 | 55 |