TableĀ 4.

Weights of main controlling factors

Thickness of effective aquitard (W1)Thickness ratio of brittle to plastic rock in the aquitard (W2)Distribution of faults and folds (W3)Distribution of intersection and endpoints of the geological structures (W4)Index of fault scale (W5)Distribution of collapse columns (W6)Water abundance of the floor aquifer (W7)Hydraulic pressure of aquifer (W8)Height of the mining-induced fracture zone (W9)
Weight (Wi)0.16340.08170.14210.04440.03640.15130.09710.19420.0894