Reconstruct mechanical performance of double layered tunnel with large cross section

Zhou Zongqing; Huang Linxiang; Lei Mingfeng; Yue Changcheng; Qiu Dapeng; Chen Yunjuan

doi:10.20265/j.cnki.issn.1007-2993.2024-0338

Volume 39 Issue 5

Oct. 2025

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Article Navigation > GEOTECHNICAL ENGINEERING TECHNIQUE > 2025 > 39(5): 709-715

Zhou Zongqing, Huang Linxiang, Lei Mingfeng, Yue Changcheng, Qiu Dapeng, Chen Yunjuan. Reconstruct mechanical performance of double layered tunnel with large cross section[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(5): 709-715. doi: 10.20265/j.cnki.issn.1007-2993.2024-0338

Citation:

Zhou Zongqing, Huang Linxiang, Lei Mingfeng, Yue Changcheng, Qiu Dapeng, Chen Yunjuan. Reconstruct mechanical performance of double layered tunnel with large cross section[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(5): 709-715. doi: 10.20265/j.cnki.issn.1007-2993.2024-0338

Citation:

Zhou Zongqing, Huang Linxiang, Lei Mingfeng, Yue Changcheng, Qiu Dapeng, Chen Yunjuan. Reconstruct mechanical performance of double layered tunnel with large cross section[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(5): 709-715. doi: 10.20265/j.cnki.issn.1007-2993.2024-0338

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Reconstruct mechanical performance of double layered tunnel with large cross section

doi: 10.20265/j.cnki.issn.1007-2993.2024-0338

1.
School of Qilu Transportation, Shandong University, Jinan 250002, Shandong, China
2.
China Railway 18th Bureau (group) Co., Ltd., Tianjin 300222, China
3.
School of Civil Engineering, Central South University, Changsha 410083, Hunan, China
4.
China Railway 18th Bureau (group) Municipal Engineering Co., Ltd., Tianjin 300222, China

Received Date: 2024-07-22
Accepted Date: 2024-10-29
Rev Recd Date: 2024-09-08
Publish Date: 2025-10-10

Abstract

Abstract

With the continuous growth of the economy, some existing tunnels are no longer able to meet the current transportation needs. To ensure smooth and safe traffic, it is necessary to carry out reasonable renovation and expansion projects on the tunnel. This research is based on the ABAQUS finite element software to establish a three-dimensional model of the tunnel surrounding rock lining. The excavation process of the tunnel was simulated using the life and death element method. The stress-strain cloud map of the surrounding rock and the distribution characteristics of the plastic zone of the lining were obtained for each step, and the results before and after were compared and analyzed. The weak stress areas of the tunnel structure were determined, and the mechanical behavior of the structure during the excavation process was predicted in advance. The results revealed that the construction process adopted in this project is safe and reasonable, the tunnel structure performs well in mechanical properties, and the safety and economy of the project are guaranteed.
- tunnel engineering,
- renovation and expansion,
- numerical simulation,
- finite element analysis,
- mechanical performance

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References

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Reconstruct mechanical performance of double layered tunnel with large cross section

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