Energy Distribution Law of Dynamic Failure of Coal-Rock Combined Body

Table 2

The experimental data of each parameter of the combined body.

Serial number	Compressive strength/MPa	Elastic modulus/MPa	Prepeak energy/KJ	Postpeak energy/KJ	Impact energy index
FCF	12.3	1324.25	0.123	0.021	5.857
	14.05	1421.05	0.129	0.011	11.727
	14.21	1209.88	0.135	0.009	15.000
	11.48	1506.21	0.125	0.019	6.579
	11.11	1432.01	0.151	0.017	8.882
	12.95	1231.29	0.123	0.011	11.182
GCG	13.24	1211.32	0.159	0.028	5.679
	14.25	1325.86	0.154	0.038	4.053
	14.21	1258.39	0.172	0.033	5.212
	12.33	1405.38	0.181	0.029	6.241
	12.11	1109.85	0.159	0.041	3.878
	12.12	1245.04	0.178	0.022	8.091
FGF	59.14	3012.25	2.921	0.901	3.242
	56.24	2845.89	2.854	1.071	2.665
	62.15	2903.24	2.821	1.021	2.763
	58.04	3021.33	2.669	0.901	2.962
	57.28	3102.14	3.055	0.809	3.776
	56.63	2854.56	3.011	0.804	3.745
FCG	13.25	1245.66	0.162	0.021	7.714
	14.62	1424.01	0.142	0.029	4.897
	11.05	1333.25	0.139	0.022	6.318
	13.24	1420.13	0.162	0.021	7.714
	13.22	1203.89	0.168	0.028	6.000
	14.88	1302.11	0.151	0.022	6.864