Design of Longwall Coal Pillar for the Prevention of Water Inrush from the Seam Floor with Through Fault

Table 1

Basic parameters.

(m)	(kN/m^310^-3)	(m)		(°)	(MPa)		(MPa)	(°)	(MPa)
450	0.0215	3.8	5	2	0.25	0.2	2	40	1.4