Optimization study on transverse mining zoning during the capacity expansion stage of nearly horizontal open-pit coal mines

Abstract To address key challenges during the capacity expansion of the Baoqing Chaoyang Open-Pit Coal Mine from 7 to 11 Mt/a—such as insufficient working-line length, excessive advancing intensity, poor coordination between mining zones, elevated internal dump slope risks, and constrained dumping c...

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Autors principals:	Yu Wen, Ziling Song, Qianjun Su, Zhongwei Liu, Changshuai Wu, Long Zhang
Format:	Artigo
Idioma:	Inglês
Publicat:	Nature Portfolio 2026-01-01
Col·lecció:	Scientific Reports
Matèries:	Open-pit coal mine Capacity expansion Mining zone optimization Unascertained measure Fuzzy evaluation
Accés en línia:	https://doi.org/10.1038/s41598-026-35908-5
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