Water Supply and Regulation of Underground Reservoir in Coal Mine considering Coal-Water Occurrence Relationship

Table 2

Wilson’s theoretical formula parameters.

Coal seam thickness/m	Buried depth/m	Triaxial stress factor	Lateral supporting pressure at the coal wall/MPa	Hydrostatic pressure/MPa	Uniaxial compressive strength/MPa	Uniaxial compressive residual strength/MPa
5	200	2.3	0	5	5	0.2