Research Article
Study on the Safety Thickness of Three Zones against Fault Water Inrush: Case Study and Model Development
Table 2
Drilling and roadway exploration results of F14.
| | Type | No. | Thickness (m) | Lithologic characteristics | Water diversion | | Fault | Hanging wall | Footwall |
| | Drilling | 80-2 | 7.29 | 0.17 | 2.42 | Limestone-coal | Moderate | | 30-1 | 7.58 | 2.69 | 1.17 | Mudstone, #10 coal | Feeble | | 1012-1 | 4.07 | 1.99 | 2.34 | Mudstone | Feeble | | F23 | 17 | 4.3 | 2.8 | Mudstone, siltstone | Moderate | | F27 | 10.8 | 0.5 | 5.8 | #10 coal, limestone | Strong aqueous |
| | Gallery | South-10 | 70 | 1.5 | 1.8 | Sandstone, mudstone | Moderate | | −380 m | 70 | 2.3 | 2.2 | Siltstone, mudstone | Feeble |
| | TEM exploration | Approximately 10 m | Strong aqueous under the coal connection |
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