Analysis of Dynamic Damage Fractal and Energy Consumption Characteristics of Dolomite Marble

Table 2

Rock fragmentation characteristic parameters under different strain rates.

Serial number	Impact pressure/MPa	Impact velocity/(m·s^−1)	Strain rate/(s^−1)	Dynamic compressive strength/MPa	Peak strain	Incident energy/J	Absorbed energy/J	Specific energy absorption/(J·cm^−3)	Absorbed energy per unit mass(J·g^−1)
D-2#	0.40	10.27	44.31	163.38	0.0084	153.08	51.28	0.56	0.19
D-4#	0.43	10.73	48.94	165.63	0.0075	168.68	54.11	0.59	0.20
D-5#	0.45	11.68	54.90	175.77	0.0089	190.36	58.77	0.65	0.21
D-7#	0.50	12.85	60.72	190.03	0.0096	235.74	68.41	0.75	0.25
D-9#	0.58	13.15	68.14	194.47	0.0090	246.88	70.22	0.77	0.25
D-10#	0.55	13.66	77.61	201.39	0.0102	279.48	76.36	0.84	0.28
D-12#	0.60	15.65	86.05	212.68	0.0113	349.95	88.96	0.98	0.32