Evaluation on the Stability of Vertical Mine Shafts below Thick Loose Strata Based on the Comprehensive Weight Method and a Fuzzy Matter-Element Analysis Model

Table 11

Establishment of Grade II judgment matrix .

	4	2	3	1	Eigenvector
4	1	2	3/2	6/5	0.3331
2	1/2	1	3/4	3/5	0.1671
3	2/3	4/3	1	4/5	0.2221
1	5/6	5/3	5/4	1	0.2777

Consistency test of the second-order judgment matrix: , , ; this meets the consistency requirements.