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

Table 7

The grade and degree parameter.

Borehole number	Grade index	Borehole number	Grade index	Borehole number	Grade index	Borehole number	Grade index	Borehole number	Grade index
1	1.134	8	1.007	15	2.682	22	2.416	29	1.375
2	2.274	9	2.887	16	2.041	23	1.361	30	1.907
3	0.765	10	2.296	17	2.471	24	0.293	31	3.527
4	1.167	11	2.260	18	3.374	25	2.272	32	1.664
5	3.000	12	2.376	19	2.595	26	1.456	33	2.269
6	1.397	13	0.450	20	3.552	27	1.372	34	1.194
7	3.572	14	2.109	21	2.309	28	3.529	35	1.899