Pressure Relief Mechanism and Gas Extraction Method during the Mining of the Steep and Extra-Thick Coal Seam: A Case Study in the Yaojie No. 3 Coal Mine

Pressure Relief Mechanism and Gas Extraction Method during the Mining of the Steep and Extra-Thick Coal Seam: A Case Study in the Yaojie No. 3 Coal Mine

Gas disasters, such as coal and gas outburst and gas overflow, always occur during the mining of the steep and extra-thick coal seam in the horizontal, fully mechanized, top coal slice caving (HFMTCSC) method. To solve these issues and guarantee the safe and efficient mining in the Yaojie No. 3 coal...

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Bibliographic Details
Main Authors: Hao Zhang, Lehua Xu, Mengmeng Yang, Cunbao Deng, Yuanping Cheng
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Energies
Subjects:
gas extraction
overburden movement
expansion deformation
effective pressure relief range
Online Access:https://www.mdpi.com/1996-1073/15/10/3792

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https://www.mdpi.com/1996-1073/15/10/3792

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