Real-time identification of time-varying cable force for cable-stayed bridges based on vibration monitoring

Liu, Xun; Yang, Jie; Zhuo, Weidong; Lin, Kaiqi; Lin, Yibiao

doi:10.1016/j.measurement.2024.114590

Measurement

2024

DOI: 10.1016/j.measurement.2024.114590

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Real-time identification of time-varying cable force for cable-stayed bridges based on vibration monitoring

Xun Liu,

Jie Yang,

Weidong Zhuo

et al.

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2024

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Cited by 2 publications

References 33 publications

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Recent advances on inspection, monitoring, and assessment of bridge cables

Kong,

Liu,

Liu

et al. 2024

Automation in Construction

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Recent advances on inspection, monitoring, and assessment of bridge cables

Kong,

Liu,

Liu

et al. 2024

Automation in Construction

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Load Effect Analysis Method of Cable-Stayed Bridge for Long-Span Track Based on Adaptive Filtering Method

Ding,

Li,

Chen

et al. 2024

Applied Sciences

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Aiming at the problems of large capacity, narrow transverse width, large excitation, high safety level, and difficulty in accurately grasping the working state of the cable-stayed bridge for the long-span track, this research obtains the structural response data in real time by establishing a health monitoring system. The adaptive filtering method was employed to separate the train load response and the temperature load response. Then, a train load effect analysis method based on the influence line and a temperature load effect analysis method based on the correlation were proposed to assess the operational status of the bridge in real time and objectively. The Chongqing Nanjimen Railway Track Bridge (hereinafter Chongqing Nanjimen track bridge) project was utilized as a case study to demonstrate the application of these methods. The results show that the adaptive filtering method can effectively separate the response of train and temperature loads. The normalized cross-correlation (NCC) results of the measured train load response and the influence line’s finite element calculation show a high degree of fit between the measured values and the theory, proving that no significant anomalies are found in the bridge. There is a strong correlation between the ambient temperature difference and the Pearson correlation coefficient of structural response, which indicates that the Chongqing Nanjimen track bridge is currently in normal working condition.

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Real-time identification of time-varying cable force for cable-stayed bridges based on vibration monitoring

Cited by 2 publications

References 33 publications

Recent advances on inspection, monitoring, and assessment of bridge cables

Recent advances on inspection, monitoring, and assessment of bridge cables

Load Effect Analysis Method of Cable-Stayed Bridge for Long-Span Track Based on Adaptive Filtering Method

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