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

Table 3

Comparison of the XRD structural parameters of the coal samples.

Coal source	2θ002 (°)	β002 rad	2θ100 (°)	β100 rad	d002 nm	Lc nm	La nm	LaLc	(La-Lc) Lc
QQ	23.9	0.172	42.7	0.305	0.373	0.857	0.996	1.952	0.952
ZGZ	22.7	0.266	43.2	0.258	0.405	0.692	1.129	1.165	0.165