Reasonable stopping method and retracement channel support at fully mechanized top coal caving working face of 15 m extra‐thick coal seam: A case study

Reasonable stopping method and retracement channel support at fully mechanized top coal caving working face of 15 m extra‐thick coal seam: A case study

Abstract Extra‐thick coal seams are widely distributed in the Datong mine area in China. The rapid stopping of mining and the support withdrawal technology for extra‐thick coal seams need to be developed urgently. The reasonable stopping top coal caving distance, main roof's fracture line posit...

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Bibliographic Details
Main Authors: Shengrong Xie, Yiyi Wu, Xiang Ma, Dongdong Chen, Fangfang Guo, Zaisheng Jiang, Hui Li, Hang Zou, Ruipeng Liu, Xiao Zhang
Format: Article
Language:English
Published: Wiley 2022-12-01
Series:Energy Science & Engineering
Subjects:
extra‐thick coal seam
key block
retracement channel
stopping mining line
stopping top coal caving distance
subzone and graded support
Online Access:https://doi.org/10.1002/ese3.1301

Internet

https://doi.org/10.1002/ese3.1301

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