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

Table 1

Original data of boreholes.

Borehole number	Mining depth (m)	Dip angle of coal seam (°)	Thickness of water-resisting strata (m)	Water pressure (MPa)	Fault intensity index
1	750	10	56.33	0.3	0.422
2	955.74	12	33.12	0.5	0.052
3	280.6	12	65	0	0.14115
4	768.86	10	37.29	0.5	0.14115
5	792.5	10	34.77	0.5	0.235
6	576.66	15	32.84	0	0.141
7	929.44	15	45.56	1.2	0.515
8	405.33	20	33.01	0	0.1355
9	701.7	20	38.56	2.3	0.128
10	968.92	10	45.66	3.6	0.2345
11	1095.9	10	35.5	2.3	0.3285
12	586.79	20	10.5	3.4	0.0995
13	298.03	9	20	0.3	0.04735
14	784.11	20	15	4.2	0.012
15	864.18	20	32	0.6	0.141
16	1173.99	17	40.2	0.6	0.422
17	432.2	10	10	3.3	0.235
18	511.39	25	18.63	5.2	0.235
19	900.12	15	58.89	1.1	0.3285
20	405.8	20	12.81	2.5	0.515
21	537.2	20	12.37	3.7	0.14065
22	922.35	12	33.42	0.3	0.235
23	301.29	9	38.8	0	0.3285
24	290.41	9	25	0	0.14065
25	1080.99	18	44.07	0	0.04921
26	449.96	11	34.57	1.3	0.235
27	691.87	13	36.6	1.2	0.04921
28	1100.82	26	62.3	1.2	0.14065
29	752.72	6	41.66	1.3	0.15
30	633.97	10	48.8	0.5	0.14065
31	1000.03	8	51	0.5	0.6105
32	586.86	8	49	0.5	0.3285
33	304.18	15	44.91	4.1	0.5155
34	733.78	10	64	1.2	0.4215
35	321.18	15	47.51	1.2	0.14065