An Improved Statistical Damage Constitutive Model for Granite under Impact Loading

Table 1

Test result of the granite under impact load.

Specimen number	Strain rate (s^−1)	Elasticity modulus (GPa)	Peak strength (MPa)	Peak strain (%)
#2	81.90	37.90	189.95	0.784
#4	81.26	52.30	267.59	0.662
#6	107.02	49.64	246.99	0.686
#7	130.24	38.35	247.12	0.848
#8	185.98	29.19	253.03	1.016
#10	204.87	33.91	273.10	0.937
#11	192.40	38.81	278.51	0.955
#12	172.44	52.88	280.68	0.774
#13	97.34	89.78	194.71	0.758
#15	155.04	55.27	257.29	0.822
#16	153.87	57.73	257.23	0.809
#19	99.29	38.13	212.92	0.805