Study of Key Technology of Gob-Side Entry Retention in a High Gas Outburst Coal Seam in the Karst Mountain Area

In the gob-side entry retaining by roof cutting (GERRC) technique, pressure is offloaded via directional roof cutting, and a roadway is automatically formed due to the ground pressure and rock-breaking expansion. To improve the application of the theory and technical system of GERRC in the Karst are...

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Bibliographic Details
Main Authors: Zhenqian Ma, Dongyue Zhang, Yunqin Cao, Wei Yang, Biao Xu
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/11/4161