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 2
Definition of the degree of importance of a factor.
Comparison of the importance of two factors
Corresponding quantized value
Two factors are of equal importance
1
One factor is more important than the other
3
The importance of one factor is greater than that of the other
5
The importance of one factor is very large compared to the other factor
7
The importance of one factor is greater than the other factor