Surrounding Rock Stresses on a Working Face-End Roof under Mining Influence
The evolution process of the surrounding rock failure mechanism is studied because of spalling and roof fall accidents at the top corner of longwall top coal caving faces affected by mining and the difficulty of moving the advanced end support. Methods are proposed to improve the stability of surrou...
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Main Authors: | , , , , , |
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Format: | article |
Language: | EN |
Published: |
Hindawi Limited
2021
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Subjects: | |
Online Access: | https://doaj.org/article/588486aeefae4ab4bf7608232f42267b |
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