Damage Evolution Characteristics of Rock Salt under Different Stress Conditions

Table 1

Experimental results from different tests.

Experimental type	Sample	Confining pressure (MPa)	Peak strength (deviatoric stress, MPa)
Direct tensile test	T-1	—	1.33
	T-2	—	1.42
	T-3	—	1.48
Brazilian test	B-1	—	1.56
	B-2	—	1.62
	B-3	—	1.79
Compression test	C-1	0	21.58
	C-2	5	52.67
	C-3	10	55.75
	C-4	15	59.29
	C-5	20	63.81
	C-6	30	63.57
	C-7	40	63.93