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August 7, 2026BuildingsOpen Access

Research on the Dynamic Characteristics of Long-Span Cable-Stayed Bridges During the Construction Process

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Authors

YSYumin Song

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Overview

Randomized trial evaluates dynamic characteristics in cable-stayed bridges, highlighting key influences on vibration during construction.

Key Points

  • This research aims to analyze the dynamic characteristics of long-span cable-stayed bridges throughout their construction stages. The focus is on understanding how various factors influence free-vibration behavior during erection.
  • Established a finite element model of the Liulu Yongjiang Extra-large Bridge
  • Evaluated frequency evolution over 26 construction stages
  • Used ambient-vibration measurements for independent frequency validation
  • Calculated fundamental frequencies of 0.399, 0.417, and 0.436 Hz for three configurations
  • Governing mode transitioned from vertical girder bending to lateral girder bending across stages
  • Field tests confirmed that measured frequencies deviated less than 9.6% from finite element model values

Cite This Study

Yumin Song (2026) studied this question.

synapsesocial.com/papers/6a758bd0847ab6d26c01f562https://doi.org/10.3390/buildings16153101
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Analysis of the Comprehensive Structural System of the Three-Tower Cable-Stayed Bridge2026
  2. 2Study on Dynamic Characteristics of Long-Span Highway-Rail Double-Tower Cable-Stayed Bridge2024 · 6 citations
  3. 3Monitoring and control technologies for the full-process construction of a long-span cable-stayed bridge2026
  4. 4Research on Vehicle–Bridge-Coupled Vibration of Multi-Tower High-Pier Partially Cable-Stayed Bridge Based on a Single Vehicle2025
  5. 5Study on Spatial Effects of Non-Symmetric Cable-Stayed Bridges Under Operational Loads2026