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Influence of Base-Angle Bolt Support Parameters and Different Sections on Overall Stability of a Roadway under a Deeply Buried High Stress Environment Based on Numerical Simulation

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成果类型:
期刊论文
作者:
Wu, Qinzheng;Liu, Huanxin;Dai, Bing;Cheng, Li;Li, Danli;...
通讯作者:
Huanxin Liu
作者机构:
[Wu, Qinzheng; Liu, Huanxin; Cheng, Li] Shandong Gold Grp Co Ltd, Deep Min Lab, Yantai 261400, Peoples R China.
[Qin, Penghui; Dai, Bing; Li, Danli] Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.
通讯机构:
[Huanxin Liu] D
Deep Mining Laboratory, Shandong Gold Group Co., Ltd., Yantai 261400, China<&wdkj&>Author to whom correspondence should be addressed.
语种:
英文
关键词:
numerical simulation;base-angle bolt;inclined angle of the bolt;bolt length;support optimization
期刊:
Sustainability
ISSN:
2071-1050
年:
2023
卷:
15
期:
3
页码:
2496-
基金类别:
Conceptualization, Q.W. and H.L.; methodology, Q.W.; software, D.L.; validation, Q.W., H.L., and B.D.; formal analysis, B.D.; investigation, L.C.; resources, H.L.; data curation, L.C.; writing—original draft preparation, L.C.; writing—review and editing, D.L.; visualization, B.D.; supervision, P.Q.; project administration, P.Q.; funding acquisition, H.L. All authors have read and agreed to the published version of the manuscript. This paper was funded by the following: Key Project of Education Department of Hunan Province(22A0293), General Project of Education Department of Hunan Province(22C0235).
机构署名:
本校为其他机构
摘要:
Strengthening the base-angle of a roadway can have a beneficial impact on its overall stability, but the specific optimal parameter selection range is still unclear. Fast Lagrangian Analysis of Continua 3D (FLAC3D) software is used to carry out the stability analysis of 5 kinds of roadway models with different section shapes under the conditions of no support and different base-angle bolt support angles, and the simulation verification is carried out under the actual working conditions of the Sanshandao Gold Mine. The conclusion is as follows: without support, the self-stability of a tri-centr...

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