Research Article
Evaluation of the Water Yield of Coal Roof Aquifers Based on the FDAHP-Entropy Method: A Case Study in the Donghuantuo Coal Mine, China
Table 1
Relative importance matrix of evaluation factors.
| | Factor | Expert 1
(E1) | Expert 2
(E2) | Expert 3
(E3) | Expert 4
(E4) | Expert 5
(E5) | Expert 6
(E6) | Expert 7
(E7) | Expert 8
(E8) | Expert 9
(E9) | Expert10
(E10) |
| | Permeability coefficient (F1) | 9 | 9 | 9 | 8 | 9 | 8 | 9 | 9 | 9 | 9 | | Consumption of drilling fluid (F2) | 4 | 4 | 5 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | | Core recovery (F3) | 3 | 4 | 3 | 5 | 3 | 3 | 3 | 4 | 5 | 3 | | Aquifer thickness (F4) | 8 | 8 | 7 | 8 | 7 | 9 | 7 | 8 | 7 | 7 | | Brittle-plastic rock thickness ratio (F4) | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | | Fault scale index (F5) | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 3 | 4 | 5 | | Fault point density (F6) | 3 | 2 | 3 | 2 | 2 | 3 | 3 | 2 | 2 | 3 |
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