Study on Gas Migration Law of Mining Coal Seam under the Influence of Normal Fault

Table 1

Fractal dimension statistics at different excavation distances for coal seam No. 5.

Excavation distance (m)	Fitting relationship	Correlation coefficient ()	Excavation distance (m)	Fitting relationship	Correlation coefficient ()
20		0.9584	120		0.9973
40		0.9920	140		09971
60		0.9921	160		0.9964
80		0.9932	180		0.9948
100		0.9921	200		0.9959