Optimization of face flexible bolting and grouting technology for longwall face support under difficult geological conditions

Abstract Longwall face fall in the open face area is one of the most difficult ground control problems in mining thick coal seams in China especially under difficult geological conditions. This paper has proposed a new flexible bolting and grouting technology for face support. The flexible support m...

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Bibliographic Details
Main Authors: Shengli Yang, Meng Li, Gaofeng Song, Yi Yang, Fei Xie
Format: Article
Language:English
Published: Wiley 2020-04-01
Series:Energy Science & Engineering
Subjects:
Online Access:https://doi.org/10.1002/ese3.591