Research Article

Investigation on the Height Calculation of Water Flowing Fracture Zone during Coal Mining under Ordovician Limestone Nappe Aquifer

Table 2

Statistics of the height of water flowing fracture zone.

NumberPressure of confined aquifer (MPa)Rock lateral pressure coefficient λInfluence coefficient of fault on rock fracture toughness tHeight of water flowing fracture zone h (m)

100.25154.65
26.220.25162.96
301.65164.20
46.221.65171.94
56.221.650.5472.45