Study on Response Characteristics of Surrounding Rock Rupture Microseismic Events during Coal Roadway Excavation

Table 1

3# geological parameters of gas in 3# coal seam.

Coal seam	Mean thickness	Dip angle	Firmness coefficient	Initial seep of diffusion	Gas pressure
3#	5.54	4∼14	0.23∼0.89	10.5∼16	0.72