Fig. 11

Comparison of stress-strain experimental curves and theoretical curves of coal rock at different temperatures; (a) T = 25°C; (b) T = 60°C; (c) T = 90°C; (d) T = 120°C.
Comparison of stress-strain experimental curves and theoretical curves of coal rock at different temperatures; (a) T = 25°C; (b) T = 60°C; (c) T = 90°C; (d) T = 120°C.