The Role of the Reverse Fault on the Permeability Evolution in Mining Coal

Table 1

Physical parameters of coal specimens.

Sample number	Diameter (mm)	Height (mm)	Volume (cm^3)	Mass (g)	Density (g/cm^3)
M1	50.30	96.03	190.82	252.77	1.32
M2	49.57	104.18	201.05	277.40	1.38
M3	50.18	88.56	175.14	236.75	1.35
M4	50.59	98.51	198.02	269.94	1.36
M5	50.15	103.64	204.72	278.75	1.36
M6	50.38	85.90	171.24	225.01	1.31