Research Article
Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine
Table 3
The index and the relative membership for goaf handling measures.
| Goaf | Measure | Index | ps1 | ps2 | ps3 | ps4 | ps5 | uj |
| Upper | ds1 | 1.14 | 1.29 | 3.43 | 250 | 80 | 0.15 | ds2 | 5.29 | 1.14 | 1.57 | 45 | 50 | 0.78 | ds3 | 7.42 | 6.71 | 5.86 | 288 | 40 | 0.93 | ds4 | 3.57 | 7.14 | 7.86 | 382 | 300 | 0.27 | ds5 | 5.14 | 9.14 | 9.14 | 440 | 360 | 0.41 |
| Lower | ds1 | 1.86 | 1.14 | 3.57 | 160 | 80 | 0.20 | ds2 | 6.29 | 1.86 | 3.43 | 45 | 50 | 0.94 | ds3 | 5.57 | 3.71 | 5.57 | 390 | 120 | 0.66 | ds4 | 5.29 | 5.46 | 7.86 | 424 | 260 | 0.50 | ds5 | 6.14 | 9.14 | 9.43 | 517 | 300 | 0.65 |
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