An Innovative Non-Pillar Coal-Mining Technology with Automatically Formed Entry: A Case Study

A non-pillar coal-mining technology with an automatically formed entry is proposed, which reduces the waste of coal resources and the underground entry drivage workload. Three key techniques in this technology cooperate to achieve automatic formation and retaining of the gob-side entry, and to reali...

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Bibliographic Details
Main Authors: Xingyu Zhang, Manchao He, Jun Yang, Eryu Wang, Jiabin Zhang, Yue Sun
Format: Article
Language:English
Published: Elsevier 2020-11-01
Series:Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S209580992030179X