Failure characteristics and control technology for large‐section chamber in compound coal seams—A case study in Tashan Coal Mine

Abstract The coal production exploited from extra‐thick coal seams accounts for 45% of China's total coal production. With large coal output, the extra‐thick coal seams require that the chamber section be more than 100 m2. In case of parting (the noncoal rock, usually mudstone, sandwiched in th...

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Bibliographic Details
Main Authors: Yang Tai, Hongchun Xia, Tiejun Kuang
Format: Article
Language:English
Published: Wiley 2020-04-01
Series:Energy Science & Engineering
Subjects:
Online Access:https://doi.org/10.1002/ese3.598