Laboratory Study on Changes in Gas Desorption Properties of Anthracite after Cyclic Loading

Table 4

Fit results for the relationship between the desorption capacity of the briquette samples within 2.64 min and the square root of time under different loading frequencies.

Loading conditions		0.5 MPa		1.0 MPa		1.5 MPa
Frequency (Hz)	Amplitude (MPa)	A1	R^2	A2	R^2	A3	R^2
4	12–18	2.7635	0.9969	2.6160	0.9984	3.0828	0.9951
7		3.6011	0.9946	3.6742	0.9945	3.7156	0.9939
10		3.9855	0.9938	4.0510	0.9908	4.0128	0.9938
—	15	2.4768	0.9962	2.1588	0.9965	2.6301	0.9875