Research Article
Quantitative Evaluation for the Threat Degree of a Thermal Reservoir to Deep Coal Mining
Table 18
Relative membership matrix of borehole Qs1.
| Index factor | Threat level | Safe (I) | Low threat (II) | Medium threat (III) | Relatively high threat (IV) | High threat (V) |
| | 0 | 0.4914 | 0.5086 | 0 | 0 | | 0 | 0 | 0 | 0.7646 | 0.2354 | | 0 | 0 | 0 | 0 | 0 | | 0 | 0 | 0.0596 | 0.9410 | 0 | | 0 | 0 | 0 | 0.6581 | 0.3419 | | 0 | 0 | 0.6950 | 0.3050 | 0 | | 0 | 0 | 0.1891 | 0.8121 | 0 | | 0 | 0 | 0.1899 | 0.8101 | 0 |
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