Analysis of Energy Dissipation Characteristics of Damaged Sandstone under Impact Load

Table 1

Damage factors of sandstone with different damage degrees.

Upper limit of stress (MPa)	(m·s^−1)	(m·s^−1)	Damage factor	Damage factor average
12.23	3801.52	3708.11	0.0485	0.0321
	3751.50	3769.70	−0.0097
	3763.29	3653.29	0.0576
24.46	3726.92	3551.71	0.0918	0.1036
	3907.95	3676.82	0.1147
	3866.39	3658.62	0.1045
36.69	3801.52	3133.59	0.3205	0.3269
	3854.17	3231.86	0.2969
	3673.47	2930.91	0.3634
48.92	3775.51	2356.69	0.6103	0.6357
	3814.84	2402.60	0.6033
	3726.92	3551.71	0.6918