Numerical Simulation of Gas-Solid Coupling in Pressure-Relief Gas Drainage of Short-Distance and Underprotective Steeply Inclined Coal Seam Mining

Table 3

Radius of gas drainage with pressure-relief (strike).

Gas drainage time (day)	Radius of gas drainage with pressure-relief (m)
60	2.3
75	2.6
90	3.0
105	3.1
120	3.2
135	3.7
150	4.0
200	4.9