Research Article
Study on Roof-Coal Caving Characteristics with Complicated Structure by Fully Mechanized Caving Mining
Table 5
Hydraulic support dimensions.
| | Width | Mining height | Minimum control top distance | Height of coal caving | Cutting depth of coal shearer | | Actual (m) | Model (cm) | Actual (m) | Mod (cm) | Actual (m) | Model (cm) | Actual (m) | Model (cm) | Actual (m) | Model (cm) |
| | 1.5 | 6 | 2.3 | 9.2 | 4.59 | 18.36 | 1.1 | 4.4 | 0.6 | 2.4 |
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