Theory and technology of partial backfill non-pillar mining in longwall faces of steeply dipping coal seam
The structure and stress environment of the surrounding rock at the longwall mining area in the steeply dipping coal seam are alienated, and the composition factors and disaster modes of the ”support and surrounding rock” system in the working face are affected. This leads to some frequent safety ac...
Main Authors: | , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of China Coal Society
2024-03-01
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Series: | Meitan xuebao |
Subjects: | |
Online Access: | http://www.mtxb.com.cn/article/doi/10.13225/j.cnki.jccs.2023.1401 |