Research Article
Application Study on Active Advanced Support Technology in Deep Roadway under Mine Goaf
Table 1
Observation results of RBIT-30 borehole imager.
| | Crushing zone | Absciss layer zone | Fissure development zone |
| 1# | 0.05~0.26 m | 0.95~1.14 m | 0.35~0.48 m | 2# | 0.01~0.18 m | 0.73~0.85 m | 0.42~0.55 m | 3# | 0.42~0.62 m | 1.98~2.11 m | 2.34~2.45 m | 4# | 0.21~0.46 m | 1.75~1.83 m | 0.51~0.65 m | 5# | 0.12~0.38 m | 2.26~2.49 m | 0.44~0.59 m、2.53~2.78 m |
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