Research on mining plan of non-working high-level coal seam in open-pit mine with near-horizontal composite coal seam
In the extraction of subhorizontal multiple coal seams using open-pit mining in China, the problem of coal seam in the high wall is commonly existed, but studies usually focus on the lower coal seam mining problem only. Based on the problem of implementing the mining of upper coal seams in non-worki...
Main Authors: | , , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Coal Science and Technology
2023-08-01
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Series: | Meitan kexue jishu |
Subjects: | |
Online Access: | http://www.mtkxjs.com.cn/article/doi/10.13199/j.cnki.cst.2022-0675 |