Research Article
Self-Designed Hydrophilicity-Related Geomaterials and Their Testing Utility in Simulation of Overlying Strata Instability
Table 6
On-site borehole survey data of working face.
| Drilling number | Distance from coal seam to aquifer | Coal seam thickness | Caving zone height (m) | Height of the water-guiding fissure zone | Thickness of protective layer |
| K6-3 | 304.04 | 16.15 | 64.4 | 160.39 | 4.03 | X7-2 | 322.05 | 17.89 | 71.56 | 177.12 | 10.13 | X7-3 | 298.58 | 9.5 | 38 | 96.45 | 52.39 |
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