Influence of Cyclic Impact Loading and Axial Stress on Dynamic Mechanical Properties of Burst-Prone Coal

Table 4

Quantitative statistical results of coal samples’ macerals.

	Coal macerals	Qianqiu coal	Zhaogezhuang coal
Vitrinite	Desmocollinite	3.1	10.7
	Telocollinite	45.2	4.5
	Telinite	20.8	32.1
	Corpocollinite	2.5	7.2
	Vitrodetrinite		0.2
Inertinite	Semifusinite	11.4	10.1
	Fusinite	9.1	9.3
	Inert detritus	4.5	16.4
	Macrinite		0.2
	Micronite		0.5
	Sclerotinite		0.5
Exinite	Sporinite		0.4
	Cutinite
	Resinite
Minerals	Clay mineral	0.4	7.4
	Pyrite	2.7
	Carbonate mineral	0.3	0.5
	Other minerals