Dynamic Mechanical Characteristics of Fractured Rock Reinforced by Different Grouts

Table 5

Statistical table of specimen strain rate and specific strain rate.

Punch velocity (ms^−1)	Strain rate of intact (s^−1)	Fracture		Modified epoxy resin		Cement slurry
		Strain rate (s^−1)		Strain rate (s^−1)		Strain rate (s^−1)
6	139.87	172.17	1.23	151.81	1.09	84.29	0.60
8	181.76	223.37	1.23	194.56	1.07	132.05	0.73
10	223.64	274.56	1.23	237.31	1.06	179.80	0.80
12	265.53	325.76	1.23	280.06	1.05	227.55	0.86
14	307.42	376.96	1.23	322.82	1.05	275.31	0.90
16	349.30	428.16	1.23	365.57	1.05	323.06	0.92
18	391.19	479.35	1.23	408.32	1.04	370.81	0.95
20	433.08	530.55	1.23	451.07	1.04	418.57	0.97
22	474.96	581.75	1.22	493.83	1.04	466.32	0.98