Acoustic Emission Experimental Research of the Damage Characteristics of Raw Coal under Different Loading and Unloading Rates

Table 2

Specific parameters of the theoretical curve.

	D0	A	b	Fit
0.005% (min)	−0.050	0.048	−0.106	0.99
0.02% (min)	0.019	0.013	−0.100	0.97
0.03% (min)	0.014	1.63 × 10^−4	−0.048	0.97
0.1 MPa/s	0.002	3.89 × 10^−4	−168.08	0.99
0.2 MPa/s	−0.042	0.032	−405.31	0.99
0.4 MPa/s	−0.008	0.009	−275.89	0.99
0.6 MPa/s	0.002	0.004	−198.90	0.99