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

Table 2

The normalization of original data of boreholes.

Borehole number	Mining depth	Dip angle of coal seam	Thickness of water-resisting strata	Water pressure	Fault intensity index
1	0.475	0.800	0.158	0.942	0.315
2	0.244	0.700	0.580	0.904	0.933
3	1.000	0.700	0.000	1.000	0.784
4	0.453	0.800	0.504	0.904	0.784
5	0.427	0.800	0.550	0.904	0.627
6	0.669	0.550	0.585	1.000	0.784
7	0.274	0.550	0.353	0.769	0.160
8	0.860	0.300	0.582	1.000	0.794
9	0.529	0.300	0.481	0.558	0.806
10	0.230	0.800	0.352	0.308	0.628
11	0.087	0.800	0.536	0.558	0.471
12	0.657	0.300	0.991	0.346	0.854
13	0.980	0.850	0.818	0.942	0.941
14	0.436	0.300	0.909	0.192	1.000
15	0.347	0.300	0.600	0.885	0.784
16	0.000	0.450	0.451	0.885	0.315
17	0.830	0.800	1.000	0.365	0.627
18	0.742	0.050	0.843	0.000	0.627
19	0.307	0.550	0.111	0.788	0.471
20	0.860	0.300	0.949	0.519	0.160
21	0.713	0.300	0.957	0.288	0.785
22	0.282	0.700	0.574	0.942	0.627
23	0.977	0.850	0.476	1.000	0.471
24	0.989	0.850	0.727	1.000	0.785
25	0.104	0.400	0.381	1.000	0.938
26	0.810	0.750	0.553	0.750	0.627
27	0.540	0.650	0.516	0.769	0.938
28	0.082	0.000	0.049	0.769	0.785
29	0.472	1.000	0.424	0.750	0.769
30	0.604	0.800	0.295	0.904	0.785
31	0.195	0.900	0.255	0.904	0.000
32	0.657	0.900	0.291	0.904	0.471
33	0.974	0.550	0.365	0.212	0.159
34	0.493	0.800	0.018	0.769	0.316
35	0.955	0.550	0.318	0.769	0.785