The role of powered support in ensuring the proper longwall working cross-section area in rockburst-prone seams

In Poland, for underground hard coal seam extraction, the longwall method is used. Retreat longwalls with natural roof caving in the gob are the most common. Currently it is estimated that about a half of the hard coal output in Poland originates from seams located in areas of rock burst hazard. The...

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Bibliographic Details
Main Authors: Lubosik Zbigniew, Rajwa Sylwester, Walentek Andrzej, Masny Wojciech, Wrana Aleksander
Format: Article
Language:English
Published: EDP Sciences 2020-01-01
Series:MATEC Web of Conferences
Online Access:https://www.matec-conferences.org/articles/matecconf/pdf/2020/01/matecconf_sesam20_00081.pdf