Surrounding rock control technology of large-section open-off cut with composite roof under deep mining conditions: a case study

This study addresses the critical challenge of maintaining surrounding rock stability in the large-section open-off cuts with composite roofs, using the 11211 working face in Yanchang Petroleum Kekegai Coal Mine as a case study. Through integrated field measurements, theoretical analysis, numerical...

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Bibliographic Details
Main Authors: Shengji Xu, Qingcong Zhou, Kangjie Wang
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-07-01
Series:Frontiers in Earth Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/feart.2025.1633751/full
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