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Volume 13
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10.3390/app13148328
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Article

Safety Analysis of Secondary Lining of Yulinzi Tunnel Based on Field Monitoring

by
Yimin Wu
1,
Guangzheng Zhuang
1,*,
Weiming Liang
2 and
Le Huang
3
1
School of Civil Engineering, Central South University, Changsha 410075, China
2
School of Civil Engineering, Wuhan University, Wuhan 430072, China
3
Hubei Communications Planning and Design Institute Co., Ltd., Wuhan 430051, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2023, 13(14), 8328; https://doi.org/10.3390/app13148328
Submission received: 18 May 2023 / Revised: 16 July 2023 / Accepted: 16 July 2023 / Published: 19 July 2023
(This article belongs to the Special Issue Future Trends in Tunnel and Underground Engineering)
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Abstract

In order to assess the safety of the secondary lining in water-rich Loess Tunnel, this study relies on the Yulinzi Tunnel project to continuously monitor the stress of the steel reinforcement in the secondary lining and analyze the temporal variation of the steel strain. Based on this data, the temporal variation and distribution characteristics of the internal forces of the structure were obtained through section force calculation. The safety factor of the secondary lining structure was evaluated by calculating the safety factor of the structure. It was found that the variation of the safety factor with time conforms to the exponential function, and the fitting results of different measurement points were good. This could be used to predict the future safety factor of the tunnel and evaluate its long-term safety, which has practical guidance significance for actual engineering projects. In addition, the long-term stress and structural deformation characteristics of the tunnel were obtained through numerical simulation.
Keywords: loess tunnel; field monitoring; secondary lining; regression analysis loess tunnel; field monitoring; secondary lining; regression analysis

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MDPI and ACS Style

Wu, Y.; Zhuang, G.; Liang, W.; Huang, L. Safety Analysis of Secondary Lining of Yulinzi Tunnel Based on Field Monitoring. Appl. Sci. 2023, 13, 8328. https://doi.org/10.3390/app13148328

AMA Style

Wu Y, Zhuang G, Liang W, Huang L. Safety Analysis of Secondary Lining of Yulinzi Tunnel Based on Field Monitoring. Applied Sciences. 2023; 13(14):8328. https://doi.org/10.3390/app13148328

Chicago/Turabian Style

Wu, Yimin, Guangzheng Zhuang, Weiming Liang, and Le Huang. 2023. "Safety Analysis of Secondary Lining of Yulinzi Tunnel Based on Field Monitoring" Applied Sciences 13, no. 14: 8328. https://doi.org/10.3390/app13148328

APA Style

Wu, Y., Zhuang, G., Liang, W., & Huang, L. (2023). Safety Analysis of Secondary Lining of Yulinzi Tunnel Based on Field Monitoring. Applied Sciences, 13(14), 8328. https://doi.org/10.3390/app13148328

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