Experimental Study on Mechanical Properties and Energy Dissipation of Gas Coal under Dynamic and Static Loads

Table 3

Calculated results of energy dissipation of gas coal samples under different strain rates.

Sample number	Strain rate (s^−1)	Incident energy (J)	Reflected energy (J)	Transmitted energy (J)	Dissipated energy (J)	Dissipated energy density (J/m^3)	Energy dissipation rate
1-1	64.013	18.929	8.114	2.197	8.617	146302.502	0.455
1-2	53.464	14.553	4.647	2.733	7.174	121793.362	0.493
1-3	58.377	14.685	8.454	1.876	4.355	73935.298	0.297
1-4	58.233	13.086	6.485	2.228	4.373	74246.134	0.334
1-5	60.111	18.925	7.131	2.199	9.595	162895.482	0.507
2-1	100.650	35.377	17.908	4.487	12.983	220419.751	0.367
2-2	101.647	25.768	14.290	3.437	8.041	136515.447	0.312
2-4	97.402	40.395	17.237	5.758	17.400	295411.868	0.431
2-5	105.965	38.246	20.205	5.675	12.365	209932.700	0.323
3-2	148.499	73.622	39.174	6.291	28.157	478044.670	0.382
3-3	148.035	60.722	30.938	6.553	23.231	394416.678	0.383
3-4	140.113	60.610	29.690	8.202	22.718	385707.874	0.375
3-5	140.512	61.589	33.965	6.477	21.147	359034.649	0.343
4-2	200.447	116.486	60.682	8.044	47.760	810871.827	0.410
4-3	200.909	116.259	54.279	7.711	54.269	921367.920	0.467
4-4	208.076	146.504	80.635	7.765	58.104	986483.757	0.397
4-5	195.416	152.137	83.932	10.552	57.653	978522.920	0.392