Experimental Study of the Rock Mechanism under Coupled High Temperatures and Dynamic Loads

Table 3

Parameters obtained during the dynamic compressive strength tests.

Temperature	Impact speed V (m/s)	Strain rate	Peak stress	Peak strain	Young’s modulus
25	10.0	96.09	199.73	3.56	25.39
	12.5	108.44	224.68	4.15	33.10
	14.5	117.90	246.70	11.25	36.00
100	10.0	100.12	191.14	1.77	33.21
	12.5	108.08	196.26	6.87	30.02
	14.5	118.08	205.76	8.99	31.96
200	10.0	118.70	152.99	3.05	34.56
	12.5	122.44	168.14	8.1	30.73
	14.5	135.93	240.71	12.91	28.68
400	10.0	122.63	146.69	6.02	29.86
	12.5	139.37	161.15	8.48	15.44
	14.5	161.25.	213.27	11.38	23.12
600	10.0	135.29	85.16	6.42	5.48
	12.5	160.19	104.29	9.96	12.26
	14.5	174.05	151.90	13.7	13.50
800	10.0	206.78	33.00	8.14	1.92
	12.5	215.47	35.91	18.03	2.63
	14.5	222.66	59.44	18.87	3.48