International Journal of Mechanical and Production Engineering (IJMPE)
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Sep. 2020
Submitted Papers : 80
Accepted Papers : 10
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Paper Published : 2049
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  Journal Paper


Paper Title :
Vortex-Induced Vibrations and Galloping Analysis of Various Shapes Bridge Hangers by using Wind Tunnel Test

Author :Matza Gusto Andika, Fariduzzaman, Syariefatunisa

Article Citation :Matza Gusto Andika ,Fariduzzaman ,Syariefatunisa , (2018 ) " Vortex-Induced Vibrations and Galloping Analysis of Various Shapes Bridge Hangers by using Wind Tunnel Test " , International Journal of Mechanical and Production Engineering (IJMPE) , pp. 56-61, Volume-6,Issue-10

Abstract : Hanger at the arch bridge is an important part to transfer load on the bridge deck onto the arch. Bridges are subjected to several types of loadings, such as dead load, temperature load, wind load etc. Usually, the hanger bridge has a typical bluff body shape such as circle, square, H-beam, etc. When flow past bluff body, the separates flow from the surface body generate an unsteady broad wake. These vortices are shed to the wake periodically with some frequency that is related to the undisturbed wind speed and the size of the cross-section body by the well-known Strouhal relationship. The dynamic characteristic and hanger shape are crucial for the evaluation of vortex-induced vibrations (VIV) and structural vibrations. The effects of VIV can accelerate structural fatigue failure. Wind tunnel test was conducted to investigate the Aeroelastics effect such as VIV and galloping effect at circle, hexagonal, and H-beam bluff body for Hanger Bridge and give the result that the hexagonal cross-section shape has minimum vibration amplitude due to VIV phenomenon compared to the Circle and H-beam. However, when the wind bruises the acute angle of hexagonal shape, the vibration amplitude of bridge hanger with hexagonal shape is higher than the other bluff body. Keywords – Aeroelastic, Vortex-induced vibration, hanger bridge, wind tunnel, galloping.

Type : Research paper


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