Dynamic Mechanical Characteristics of Fractured Rock Reinforced by Different Grouts

Table 3

Statistical table of specimen strength and dynamic specific strength.

Impact speed ms^−1	Strength (intact) (MPa)	Fracture		Modified epoxy resin		Cement slurry
		Strength (MPa)		Strength (MPa)		Strength (MPa)
6	50.82	29.73	0.59	43.43	0.85	90.46	1.78
8	96.92	58.37	0.60	91.53	0.94	124.64	1.29
10	132.68	80.58	0.61	128.85	0.97	151.16	1.14
12	161.90	98.73	0.61	159.34	0.98	172.82	1.07
14	186.61	114.07	0.61	185.11	0.99	191.13	1.02
16	208.00	127.36	0.61	207.44	1.00	207.00	1.00
18	226.88	139.09	0.61	227.14	1.00	221.00	0.97
20	243.76	149.57	0.61	244.75	1.00	233.51	0.96
22	259.04	159.06	0.61	260.69	1.01	244.84	0.95