Table 2 Peak strength values of rock specimens with initial high-temperature damage.
Rock specimen number | Confining pressure/MPa | Peak strength value/MPa | Rock specimen number | Confining pressure/MPa | Peak strength value/MPa |
|---|---|---|---|---|---|
C2 rock specimen (T = 150 °C) | 5 | 51.64 | C3 rock specimen (T = 300 °C) | 5 | 41.83 |
10 | 64.06 | 10 | 49.28 | ||
15 | 80.31 | 15 | 63.97 | ||
25 | 96.28 | 25 | 85.98 | ||
C4 rock specimen (T = 400 °C) | 5 | 36.42 | C5 rock specimen (T = 500 °C) | 5 | 27.23 |
10 | 41.03 | 10 | 33.95 | ||
15 | 54.41 | 15 | 43.27 | ||
25 | 78.51 | 25 | 67.91 |
