Acoustic Emission and Damage Characteristics of Granite Subjected to High Temperature

Table 1

Mechanical and damage values of granite at different temperatures.

Temperature (°C)	Peak stress (MPa)	Peak strain (%)	Accumulated AE counts (10^5)	Elastic modulus (GPa)	Thermal damage	Maximum damage evolution rate
25	79.443	1.239	22.906	7.843	0	1417.207
200	66.278	1.065	14.777	7.084	0.097	554.663
400	55.781	0.983	5.609	4.981	0.365	492.039
600	30.161	1.062	1.354	3.248	0.586	483.524
800	31.623	1.288	25.341	1.890	0.759	170.652
1000	24.825	1.985	10.755	1.582	0.798	57.398