Study on the Permeability Evolution Model of Mining-Disturbed Coal

Table 1

Fitting results of the parameters.

Specimen	- stage			- stage			- stage
	#1	1.0019	0.9748	0.9848	0.9957	-0.0745	0.8076	1.0117	0.0912	0.9866
#2	0.9996	0.9142	0.9959	0.9769	-0.2348	0.7424	1.0026	0.038	0.9883
#3	0.9954	0.8948	0.9916	0.99	-0.0923	0.7738	1.0035	0.0232	0.9911