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...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2020-11-01
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Series: | Engineering |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S209580992030179X |