Stability Control for Gob-Side Entry Retaining with Supercritical Retained Entry Width in Thick Coal Seam Longwall Mining

Stability Control for Gob-Side Entry Retaining with Supercritical Retained Entry Width in Thick Coal Seam Longwall Mining

Taking gob-side entry retaining with large mining height (GER-LMH) of the 4211 panel in the Liujiazhuang coal mine as the engineering background, a numerical simulation was conducted to study the surrounding rock deformation, stress, and plastic zone distribution of GER-LMH with respect to retained...

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Bibliographic Details
Main Authors: Zizheng Zhang, Xianyang Yu, Hai Wu, Min Deng
Format: Article
Language:English
Published: MDPI AG 2019-04-01
Series:Energies
Subjects:
large mining height
gob-side entry retaining
cusp catastrophe
critical retaining width
surrounding rock control
Online Access:https://www.mdpi.com/1996-1073/12/7/1375

Internet

https://www.mdpi.com/1996-1073/12/7/1375

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