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Keyword [surrounding rock structure]
Result: 21 - 25 | Page: 2 of 2
21.
The Surrounding Rock Structure And Control Mechanism Of Mining Roadway At The Lower Part Of Pillar Boundary Of Close Coal Seams
22.
Regularity And Control Of Mining Pressure Induced By Overlying Non-equal Width Coal Pillars In The Mining Process Of Middle Coal Seam With Composite Pillar Residual Areas
23.
Study On Mining Technology Of Cutting Roof And Retaining Roadway Along Goaf Without Coal Pillar In Dongdong Coal Mine
24.
Study On Pre-splitting Depth Effect Of Cut-top Roadway In Thick Limestone With 4.5m Large Mining Height
25.
Study On Roof Stability Of Salt Cavern Gas Storage Under Different Factors
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