Experimental Evaluation Of Hovenring Bridge
Stay-cable Vibration
Author(s)
T. Argentini, L. Rosa & A. Zasso
Abstract
This paper deals with the experimental investigations carried out on a cable-stayed
pedestrian and bicycle bridge. Shortly after the installation of the bridge, it turned
out that the cables vibrated in the wind. Experimental investigations were soon
started to determine the exact cause of the vibrations with the aim of finding
a definitive solution. Vortex shedding was found to cause the vibrations and a
Stockbridge damperwas mounted to test its effectiveness.A case of vortex induced
vibrations was also measured together with wind speed on site as a confirmation
of the study. Finally, a prediction of the number of cycles suffered by the stays as a
consequence of vortex shedding was also done in order to evaluate the cumulated
stress and the residual fatigue life of the structural elements.
Keywords: vortex shedding, cable-stayed bridge, pedestrian bridge, experimental
tests, fatigue.
Keywords
Keywords: vortex shedding, cable-stayed bridge, pedestrian bridge, experimental
tests, fatigue.
Related Book
Other papers in this volume
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