Critical Height of Unfilled Zone in Underlying Gob Piles
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DOI: 10.1155/2021/6634295
Abstract: To address problems associated with mining above gob piles in the Chinese midwest mining area, a mechanic model for a coal pillar was established based on the displacement variation method. Additionally, the effect of critical… read more here.
Keywords: coal pillar; underlying gob; unfilled zone; gob piles ... See more keywords