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Wind Response of the New Varodd Bridge Balanced Cantilever

 Wind Response of the New Varodd Bridge Balanced Cantilever
Autor(en): , ,
Beitrag für IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, veröffentlicht in , S. 1965-1972
DOI: 10.2749/vancouver.2017.1965
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The New Varodd Bridge is a 655m concrete girder bridge with four main spans with a maximum length of 260m. The bridge will be located in a very narrow position between the existing Varodd suspensio...
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Bibliografische Angaben

Autor(en): (Ramboll, Copenhagen/Denmark and Drammen/Norway)
(Ramboll, Copenhagen/Denmark and Drammen/Norway)
(Ramboll, Copenhagen/Denmark and Drammen/Norway)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Veröffentlicht in:
Seite(n): 1965-1972 Anzahl der Seiten (im PDF): 8
Seite(n): 1965-1972
Anzahl der Seiten (im PDF): 8
Jahr: 2017
DOI: 10.2749/vancouver.2017.1965
Abstrakt:

The New Varodd Bridge is a 655m concrete girder bridge with four main spans with a maximum length of 260m. The bridge will be located in a very narrow position between the existing Varodd suspension bridge on the southern side and the existing Varodd girder bridge on the northern side. The new bridge will be constructed as a balanced cantilever with a connection to the existing girder bridge that connects the bridges in transverse displacements but not in vertical displacements. During this phase the bridge is very sensitive to wind effects. An additional complication lies in the proximity of the existing bridges which highly impact the flow around the new structure. This paper addresses the coverage of these aspects, through a combination of wind response calculations in both frequency domain and time domain, as well as wind tunnel tests performed on a 1:160 scale aeroelastic model of the balanced cantilever.

Stichwörter:
Betonbrücke Baudynamik

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