Retracement Ground Pressure Appearance and Control of the Working Face under the Overlying Residual Pillar: A Case Study

On the working face below shallow and close coal seams, there are residual pillars. The mine’s ability to operate safely is constrained by the coal pillars’ vulnerability to sudden instability and powerful ground pressure disasters during withdrawal. This paper uses the 31,106 working face of the Hu...

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Bibliographic Details
Main Authors: Yongqiang Zhang, Xiangyu Wang, Feiteng Zhang, Menglong Li, Guanghui Wang, Dingchao Chen, Guanjun Li, Xiangqian Zhao
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/4/1701