Research Article

Evaluation of Water Retention Capacity of Bulkheads in Underground Coal Mines

Table 5

Connectivity coefficients of water conducting pathway of faults in surrounding rock of Panel No. 21102.

Connectivity coefficient of water conducting pathway mProperties of surrounding rockWater pressure P (MPa)Fault scaleLD/LProperties of faultDynamics property of fault
TypeDrop (m)

8–10Soft-hard8.32 (TR)Small2-NormalTensile
8–10Soft-hard8.00 (MR)Small2-NormalTensile