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<p>Cables are vital load-bearing components in cable-stayed bridges, significantly influencing structural performance. Monitoring natural frequencies is a widely used method for assessing cable conditions. This study examines changes in the natural frequency values of cables on the Phu My Cable-Stayed Bridge over time, focusing on comparisons within strands, between opposing strands, on the same pylon, and across different measurement periods. The analysis highlights variations in tension distribution and the influence of factors such as position, length, and measurement time on cable vibrations. These findings offer critical insights for effective monitoring and maintenance, ensuring the safety and longevity of cable-stayed bridges.</p>

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Dynamic Behavior and Stability Analysis of Cables on the Phu My Cable-Stayed Bridge: Investigating Vibration Frequencies Under Real-World Conditions

  • 期刊论文

  • 发表日期：

    2025年9月18日

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  • Thanh Q. Nguyen,
  • Dong Phuong Nguyen,
  • Phuoc T. Nguyen,
  • Thuy T. Nguyen

摘要

Cables are vital load-bearing components in cable-stayed bridges, significantly influencing structural performance. Monitoring natural frequencies is a widely used method for assessing cable conditions. This study examines changes in the natural frequency values of cables on the Phu My Cable-Stayed Bridge over time, focusing on comparisons within strands, between opposing strands, on the same pylon, and across different measurement periods. The analysis highlights variations in tension distribution and the influence of factors such as position, length, and measurement time on cable vibrations. These findings offer critical insights for effective monitoring and maintenance, ensuring the safety and longevity of cable-stayed bridges.