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© 2025. This work is published under http://creativecommons.org/licenses/by/4.0/ (the "License"). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.

Abstract

ABSTRACT

The rock burst is one of the major dynamic disasters in deep underground engineering, such as coal mining, and has become a significant technical challenge urgently requiring solutions in rock mechanics and engineering. In the related research, there are many reports on the stability analysis of the laminar split structure under static loads and few reports on the stability analysis under dynamic loads. This paper addresses the stability of surrounding rock in deep roadways, focusing on the key factor of disturbed load. First, the paper theoretically establishes the control equation for analyzing the dynamic stability of the laminar split structure in the coal wall of roadway, deriving the minimum critical load for instability of the laminar split structure under two constraint conditions: simply supported at both ends and fixed at both ends. Second, using discrete element software, the paper analyzes the influence of disturbing load on the stability and energy accumulation characteristics of the surrounding rock of the roadway. It examines the variation patterns of stress in the surrounding rock, deformation of both sides and roof‐floor, distribution of plastic zones, and energy accumulation characteristics with respect to time t and the intensity of disturbing load pmax. Finally, the paper analyzes the stability of surrounding rock in a mine involved in a rock burst accident. The research results provide a basis and reference for analyzing the risk of rock burst under similar conditions.

Details

Title
A Study on the Instability of the Surrounding Rock Mass of the Roadway Under Disturbing Load
Author
Xu, Hui 1   VIAFID ORCID Logo  ; Bu, Wankui 1 ; Qiu, Jun 2 ; Ma, Long 3 ; Qin, Hao 2 ; Li, Yajun 1 ; Zhang, Weishe 1 ; Li, Pengxiang 1 ; Zhang, Dong 1 ; Li, Peng 1 ; Jia, Chen 3 

 College of Urban Construction, Heze University, Heze, China 
 Institute of Shanghai Special Equipment Inspection and Technical Research, Shanghai, China 
 Shandong Provincial Lunan Geology and Exploration Institute (Shandong Provincial Bureau of Geology and Mineral Resources No.2 Geological Brigade), Jining, China 
Pages
1337-1360
Section
ORIGINAL ARTICLE
Publication year
2025
Publication date
Mar 1, 2025
Publisher
John Wiley & Sons, Inc.
e-ISSN
20500505
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
3176113719
Copyright
© 2025. This work is published under http://creativecommons.org/licenses/by/4.0/ (the "License"). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.