Study on the Fractal Characteristics of the Pomegranate Biotite Schist under Impact Loading

Table 2

Characteristic parameters of rock fragmentation at different strain rates.

Specimen number	Impact pressure (MPa)	Impact velocity (m·s^-1)	Strain rate (s^-1)	Dynamic compressive strength (MPa)	Peak strain	Absorbed energy (J)	Crushing energy density (J·cm^-3)
L-5#	0.40	10.13	46.89	150.20	0.0108	51.53	0.57
L-4#	0.45	10.86	59.69	152.79	0.0096	57.09	0.63
L-3#	0.45	12.09	70.21	163.41	0.0101	66.95	0.74
L-7#	0.50	12.55	78.75	177.19	0.0112	71.21	0.78
L-8#	0.55	13.63	82.51	197.10	0.0126	81.23	0.89
L-10#	0.58	14.54	90.63	198.20	0.0115	83.31	0.92
L-14#	0.60	15.04	93.84	209.06	0.0142	89.16	0.98