Determination of aerodynamic damping and force coefficients of filleted twin cables in dry conditions through passive-dynamic wind tunnel tests

E. Mattiello, M. B. Eriksen, Christos T. Georgakis

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Abstract

Moderate amplitude vibrations continue to be reported on the Øresund Bridge cables, although fitted with fillets and dampers. To further investigate the aerodynamics of the bridge’s twin-cable arrangement, 1:2.3 scale passive-dynamic wind tunnel tests of the cables were performed at the DTU/FORCE Technology Climatic Wind Tunnel facility. The measured aerodynamic damping of the twin-cable arrangement in dry conditions was compared to the values obtained from full-scale monitoring and from an analytical model using static force coefficients. The comparison revealed broad agreement in the investigated Re range, as did the force coefficients obtained from dynamic and static tests.
Original languageEnglish
Publication date2013
Number of pages8
Publication statusPublished - 2013
Event6th European and African Conference on Wind Engineering - Robinson College, Cambridge, United Kingdom
Duration: 7 Jul 201311 Jul 2013
Conference number: 6

Conference

Conference6th European and African Conference on Wind Engineering
Number6
LocationRobinson College
Country/TerritoryUnited Kingdom
CityCambridge
Period07/07/201311/07/2013

Bibliographical note

Orally Presented Peer Reviewed Conference Paper

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