Evaluation of Water Inrush Risk in Deep Mines Based on Variable Weight and Unascertained Measure Theories and GIS

Figure 2

The zoning maps of seven major controlling factor. (a) Mining depth. (b) Dip angle of coal seam. (c) Thickness of water-resisting strata. (d) Water pressure. (e) Fault intensity index.

(a)

(b)

(c)

(d)

(e)