Experimental Research on the Mechanical Properties of Heated Granite after Rapid Cooling

Table 2

Mechanical properties after heating (100°C–600°C) and rapid cooling.

No.	Temperature (°C)	Confining pressure (MPa)	-wave velocity preheated (m/s)	-wave velocity after water cooling (m/s)	Deviatoric stress (MPa)	Young’s modulus (GPa)
91	25	0	4202	4225	245.39	52.19
5	100	0	4057	3839	210.91	44.18
10	200	0	4119	3679	192.45	39.03
15	300	0	4348	3315	187.17	37.92
20	400	0	4385	2797	181.61	34.79
21	500	0	4289	2011	162.8	32.46
26	600	0	4274	1790	95.23	18.16
2	100	20	4034	4050	465.6	48.55
7	200	20	4122	3430	447.47	46.5
12	300	20	4172	3227	420.9	41.39
17	400	20	4424	2768	375.79	37.97
22	500	20	4446	2289	335.09	32.6
27	600	20	4077	1357	309.37	28.19
3	100	40	4403	4384	629.54	52.98
8	200	40	4218	3770	601.03	48.39
13	300	40	4423	3326	569.47	46.7
18	400	40	4365	2700	528.68	41.39
23	500	40	4290	2303	450	35.54
28	600	40	4275	1729	394.6	28.49
4	100	60	4217	4013	656.34	54.43
9	200	60	4362	3850	667.82	47.6
14	300	60	4298	3275	674.03	48.72
19	400	60	4291	2701	592.05	42.97
24	500	60	4384	2153	530.57	38.76
29	600	60	4448	1354	506.61	30.45