Study on the Mining Pressure Law of Tunneling Roadway in Coal Pillar of Lower Coal Seam in the Mining Hollow Area

ABSTRACT In the downward mining, the goaf of the upper coal seam and the remaining coal pillars will have a negative impact on the stability of the lower coal seam roadway. If the roadway is excavated in the lower coal seam coal pillar, it is more likely to produce mutual superposition effects, whic...

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Bibliographic Details
Main Authors: Donghai Jiang, Hui Wang, Tongyang Zhao, Kaixin Zhang, Jianrong Liu, Jiangwei Liu, Hao Lan, Yuantao Yao
Format: Article
Language:English
Published: Wiley 2025-08-01
Series:Energy Science & Engineering
Subjects:
Online Access:https://doi.org/10.1002/ese3.70148
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