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...

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Bibliographic Details
Main Authors: Bo CAO, Qingyi LI, Shuai WANG, Bo ZHAO, Mingjia LYU, Guangwei LIU
Format: Article
Language:zho
Published: Editorial Department of Coal Science and Technology 2023-08-01
Series:Meitan kexue jishu
Subjects:
Online Access:http://www.mtkxjs.com.cn/article/doi/10.13199/j.cnki.cst.2022-0675