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26 September 2024 Research on the vortex-induced vibration performance and vibration suppression of long-span suspension bridge
Ming Liu, Bin Zhang, Jinying Guo, Chunxi Cheng
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Proceedings Volume 13279, Fifth International Conference on Green Energy, Environment, and Sustainable Development (GEESD 2024) ; 132792B (2024) https://doi.org/10.1117/12.3044819
Event: Fifth International Conference on Green Energy, Environment, and Sustainable Development, 2024, Mianyang, China
Abstract
Single-main-cable suspension bridge is prone to vortex-induced vibration owing to the lower torsional stiffness and smaller damping of the main girder. Based on Yinghua Bridge which is a single-main-cable suspension bridge, this paper researches the vortex-induced vibration characteristics of a large-span single-main-cable suspension bridge through wind tunnel tests. Then seven optimization plans are proposed to suppress vortex-induced vibration. The most suitable plan is proposed for the Yinghua Bridge based on the results of the tunnel tests. The test results show that through the aerodynamic optimization of the main girder, without changing the main features of the main girder, by changing the guardrail or wind deflector, the vortex-induced vibration of the single-main-cable suspension bridge can meet the design requirements.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Ming Liu, Bin Zhang, Jinying Guo, and Chunxi Cheng "Research on the vortex-induced vibration performance and vibration suppression of long-span suspension bridge", Proc. SPIE 13279, Fifth International Conference on Green Energy, Environment, and Sustainable Development (GEESD 2024) , 132792B (26 September 2024); https://doi.org/10.1117/12.3044819
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KEYWORDS
Vibration
Bridges
Wind speed
Design
Mouth
Wind measurement
Aerodynamics
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