Reduction of Stress Acting on a Thick, Deep Coal Seam by Protective-Seam Mining

Aiming to reduce the high mining stress observed in large-space roof structures during mechanized mining of thick coal seams, a control technique based on protective-seam mining is proposed. This technique was used to investigate the 8108 working face of the No. 3–5 thick coal seam of the Tashan min...

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Bibliographic Details
Main Authors: Rui Gao, Bin Yu, Hongchun Xia, Hongfei Duan
Format: Article
Language:English
Published: MDPI AG 2017-08-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/10/8/1209