Quantitative Evaluation and Case Study of Risk Degree for Underground Goafs with Multiple Indexes considering Uncertain Factors in Mines

Table 6

Estimated and measured data for single evaluation indexes of 37 underground goafs.

Number	The risk evaluation indexes of underground goaf
			/%
	2	4	38	3	3	1	1	85	5190	15	1	260	3	3
	3	3	56	3	3	1	1	60	1230	8	2	260	3	4
	2	2	35	3	3	1	1	62	2560	14.5	1	290	2	3
	2	3	48	3	3	1	1	73	1740	22	1	280	1	2
	2	3	43	3	3	1	1	60	1920	16.5	1	280	2	3
	2	2	47	3	3	1	1	160	6890	26.3	1	305	1	2
	3	4	55	4	4	4	4	26	2870	15.8	3	305	4	4
	3	4	57	3	3	1	1	96	2260	21	2	335	3	4
	4	4	67	3	3	4	4	60	1200	10	4	335	4	4
	4	3	53	2	2	1	1	85	3970	60	1	240	3	3
	4	3	59	4	4	4	4	40	2260	15	4	305	3	4
	4	4	62	3	3	4	4	35	1450	13	4	290	4	4
	4	4	52	3	3	2	2	35	2590	6	4	201	4	4
	4	4	55	4	4	2	2	65	2430	12	4	208	4	4
	2	2	56	3	3	2	2	83	2350	4.5	2	208	4	3
	4	4	54	4	4	2	2	68	1800	10	4	208	3	4
	4	3	57	3	3	1	1	55	1600	16	3	411	2	3
	4	4	54	3	3	4	4	74	2000	8	2	300	3	4
	4	4	55	4	4	2	2	59	1950	23	3	201	3	4
	4	4	52	4	4	2	2	110	5000	7.5	4	195	4	4
	4	4	51	4	4	2	2	85	3270	13	3	180	3	4
	4	3	54	4	4	1	2	65	1300	7.5	2	180	3	3
	4	3	55	4	4	1	1	73	1730	6.2	2	180	3	4
	4	4	53	4	4	2	2	74	1870	6	4	230	4	4
	4	4	53	4	4	2	2	68	1170	14	4	230	3	4
	4	4	54	4	4	4	4	65	2490	16	4	230	3	4
	4	4	53	4	4	4	4	78	2440	13	4	230	3	4
	4	4	43	3	3	1	1	80	3480	23	1	230	2	2
	4	4	55	4	4	4	4	85	1410	8	3	230	3	4
	3	4	44	2	2	2	2	65	1750	85	1	350	2	3
	4	4	52	4	4	4	4	70	1210	10	4	350	4	3
	4	4	56	4	4	2	2	65	1320	13	1	375	3	3
	4	4	57	4	4	2	2	65	3690	7.5	3	210	3	4
	3	3	41	2	2	2	2	48	1420	18	2	210	2	2
	4	3	40	2	2	1	2	62	1680	26	1	290	2	3
	3	3	43	1	1	1	1	89	1290	63	1	290	2	3
	4	3	42	3	3	1	1	120	4580	28	1	400	2	3