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July 29, 2026Advances in Bridge EngineeringOpen Access

Wind tunnel study of the effect of wind barrier configurations on box girder aerodynamics and flow characteristics with different side ratios

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Authors

PTPhan Duc TamAVAnousit VilaivongLHLam Trong Hoang

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Overview

Randomized trial investigates wind barrier effects on box girder aerodynamics, indicating important design considerations.

Key Points

  • The aim is to investigate how different wind barrier configurations affect the aerodynamics of box girders and near-deck wind conditions for vehicles on bridges.
  • Conducted aerodynamic force measurements and aeroelastic tests for vortex-induced vibration and flutter.
  • Tested two box-girder sections with height-to-width ratios of 3.44 and 4.98 to assess effects of deck geometry.
  • Measured near-deck wind velocities to evaluate the impact of various barrier designs.
  • The thin girder faced greater aerodynamic effects, with higher near-deck wind speeds and increased vertical VIV amplitudes.
  • 50% porosity barriers offered the best compromise, reducing wind speeds while maintaining stability for VIV and flutter.
  • Mitigation strategies were more beneficial for the thick girder compared to the thin girder.

Cite This Study

Tam et al. (2026) studied this question.

synapsesocial.com/papers/6a69a2bcc8da07d9defa6845https://doi.org/10.1186/s43251-026-00218-3
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Also Consider

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  1. 1Effects of wind barriers on vortex-induced vibrations and vehicle aerodynamics of a steel Box–Truss girder2025
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  4. 4Effects of wind barriers on the aerodynamic forces and driving safety of vehicles on a wide bridge girder at various angles of attack2024 · 6 citations
  5. 5Aerodynamic Mitigation of Vortex-Induced Vibration for a Wide Streamlined Box Girder: An Experimental Case Study2026