Statistical Constitutive Model of Thermal Damage for Deep Rock considering Initial Compaction Stage and Residual Strength

Table 2

Peak stress and damage values of rock under uniaxial compression at different temperatures.

Temperature°C
25	120.37	0.076	981.85	0.610
200	121.768	0.195	451.836	0.623
400	97.94	0.261	343.03	0.617
600	54.62	0.702	115.89	0.855
800	41.766	0.77	117.956	0.880
1000	19.302	0.904	9.706	0.913

Note: is the peak stress; is the damage value corresponding to the peak stress; is the maximum damage evolution rate; and is the damage value corresponding to the maximum damage evolution rate.