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Geotechnical and Geological Engineering
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24-11-2023 | Technical Note

Simulation of Large Span Chamber Stability: Hoek Brown and Point Safety Factor Optimization

Authors: Liufang Li, Song Chen, Chunsheng Qiao, Zhao Yang, Ying Yuan, Yibo Zheng

Published in: Geotechnical and Geological Engineering | Issue 4/2024

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Abstract

The article delves into the simulation and stability optimization of large-span chambers, focusing on the Hoek-Brown and point safety factor methods. It discusses the application of these methods to analyze the stability of surrounding rock in various geological conditions. The research highlights the importance of considering different stress paths and the nonlinear failure effects of rock mass. The authors propose a new method to calculate the point safety factor under the Hoek-Brown criterion, which is more accurate than previous methods. The study also includes numerical simulations and practical applications, providing valuable insights into the design and support of large-span chambers. The results can serve as a reference for future support designs in similar projects.
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Metadata
Title
Simulation of Large Span Chamber Stability: Hoek Brown and Point Safety Factor Optimization
Authors
Liufang Li
Song Chen
Chunsheng Qiao
Zhao Yang
Ying Yuan
Yibo Zheng
Publication date
24-11-2023
Publisher
Springer International Publishing
Published in
Geotechnical and Geological Engineering / Issue 4/2024
Print ISSN: 0960-3182
Electronic ISSN: 1573-1529
DOI
https://doi.org/10.1007/s10706-023-02681-5

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