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Article

Symmetry Study on Damage Inversion of Wharf Pile Foundation in Three Gorges Reservoir Area Under Ship Impact

1
School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, China
2
China Railway Changjiang Transport Design Group Co., Ltd., Chongqing 401220, China
3
School of Intelligent Construction, Chongqing College of Architecture and Technology, Chongqing 401300, China
4
School of Intelligent Technology and Engineering, Chongqing University of Science and Technology, Chongqing 401331, China
*
Author to whom correspondence should be addressed.
Symmetry 2025, 17(2), 215; https://doi.org/10.3390/sym17020215
Submission received: 29 November 2024 / Revised: 20 January 2025 / Accepted: 24 January 2025 / Published: 31 January 2025

Abstract

Periodic change in reservoir water level will have a significant impact on berthing position, and the impact caused by irregular operation during berthing will cause damage to wharf pile foundations. However, most of the existing monitoring methods adopt irregular methods, so it is difficult to accurately identify and analyze the damage causes. Taking a high-piled wharf in the Three Gorges Reservoir area as an example, the uncertainty of reservoir water level change is quantitatively analyzed. By establishing a simplified parametric wharf calculation model, the data set of an inversion model of pile of a high-piled wharf under ship impact is obtained, and the inversion analysis of pile damage of a high-piled wharf under ship pile is carried out based on the artificial neural network model. The results show that the inversion model can accurately and efficiently identify the intensity of ship impact, and a low water level is better than a high water level in the identification of impact position. In this paper, the behavior of wharf structure before and after damage is analyzed symmetrically under the action of damage inducement. In summary, the inversion analysis method can basically meet the requirements of inversion identification of pile foundation damage of a high-pile wharf in a backwater fluctuation area under ship impact.
Keywords: ship impact; Three Gorges Reservoir area; uncertain quantification; inversion analysis ship impact; Three Gorges Reservoir area; uncertain quantification; inversion analysis

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MDPI and ACS Style

Zuo, L.; Wang, Q.; Liu, J.; Li, J. Symmetry Study on Damage Inversion of Wharf Pile Foundation in Three Gorges Reservoir Area Under Ship Impact. Symmetry 2025, 17, 215. https://doi.org/10.3390/sym17020215

AMA Style

Zuo L, Wang Q, Liu J, Li J. Symmetry Study on Damage Inversion of Wharf Pile Foundation in Three Gorges Reservoir Area Under Ship Impact. Symmetry. 2025; 17(2):215. https://doi.org/10.3390/sym17020215

Chicago/Turabian Style

Zuo, Liangdong, Quanbao Wang, Jia Liu, and Jie Li. 2025. "Symmetry Study on Damage Inversion of Wharf Pile Foundation in Three Gorges Reservoir Area Under Ship Impact" Symmetry 17, no. 2: 215. https://doi.org/10.3390/sym17020215

APA Style

Zuo, L., Wang, Q., Liu, J., & Li, J. (2025). Symmetry Study on Damage Inversion of Wharf Pile Foundation in Three Gorges Reservoir Area Under Ship Impact. Symmetry, 17(2), 215. https://doi.org/10.3390/sym17020215

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