Stability evolution mechanisms and control strategies for lower and upper trapezoidal blocks in fully mechanized top-coal caving faces of extra-thick coal seams
In underground coal mining operations, particularly in fully mechanized top-coal caving (FMTC) faces of extra-thick coal seams, structural instability after key stratum fracturing will cause severe deformation and damage to the surrounding rock mass of the working face. The methods of field investig...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Frontiers Media S.A.
2025-05-01
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| Series: | Frontiers in Earth Science |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/feart.2025.1586733/full |
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