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 Vibration analysis and modal identification of a circular cable-stayed footbridge
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/8253

title: Vibration analysis and modal identification of a circular cable-stayed footbridge
authors: Rebelo, C.
Júlio, E.
Varum, H.
Costa, A.
issue date: 2007
abstract: Vibration measurements and modal identification were performed on a footbridge as part of the commissioning tests. The deck presents a circular configuration, in plant, and is suspended from eight cables connecting it to the extremity of a steel mast anchored to a concrete bulk situated on the riverside. The dynamic measurements were aimed to control the force installed in the cables during the tension operation and to characterize the dynamic parameters through output-only modal identification techniques in order to calibrate a Finite Element model. At last, groups of pedestrians crossed the bridge at various speeds allowing conclusions about the vibration amplitudes that can be expected during real use of the bridge.
URI: http://hdl.handle.net/10773/8253
source: IOMAC 2007: 2nd International Operational Modal Analysis Conference
appears in collectionsCIVIL - Comunicações

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