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Aerodynamic investigations for the tender design concepts of the Oresund cable-stayed bridge

Strommen, E. / Hjorth-Hansen, E. / Hansen, S.O. / Jakobsen, J.B.

For the Oresund link project two alternative tender designs were proposed, one single-level box girder solution and a double-level truss girder solution. Aerodynamic investigations, comprising wind tunnel section model tests as well as full-scale predictions, were carried out for the cable-stayed part of the two design alternatives. The section model tests covered static and dynamic tests for various configurations of bridge deck equipment, aiming at the detection of possible instabilities or vortex shedding effects and recording of the buffeting response. Cross-sectional admittance functions and aerodynamic derivatives have been estimated, and employed for full-scale predictions of dynamic displacements at a chosen value of the characteristic mean wind speed.

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Aerodynamic investigations for the tender design concepts of the Oresund cable-stayed bridge

Strommen, E. / Hjorth-Hansen, E. / Hansen, S.O. / Jakobsen, J.B.

For the Oresund link project two alternative tender designs were proposed, one single-level box girder solution and a double-level truss girder solution. Aerodynamic investigations, comprising wind tunnel section model tests as well as full-scale predictions, were carried out for the cable-stayed part of the two design alternatives. The section model tests covered static and dynamic tests for various configurations of bridge deck equipment, aiming at the detection of possible instabilities or vortex shedding effects and recording of the buffeting response. Cross-sectional admittance functions and aerodynamic derivatives have been estimated, and employed for full-scale predictions of dynamic displacements at a chosen value of the characteristic mean wind speed.

Aerodynamic investigations for the tender design concepts of the Oresund cable-stayed bridge

Strommen, E. / Hjorth-Hansen, E. / Hansen, S.O. / Jakobsen, J.B.

For the Oresund link project two alternative tender designs were proposed, one single-level box girder solution and a double-level truss girder solution. Aerodynamic investigations, comprising wind tunnel section model tests as well as full-scale predictions, were carried out for the cable-stayed part of the two design alternatives. The section model tests covered static and dynamic tests for various configurations of bridge deck equipment, aiming at the detection of possible instabilities or vortex shedding effects and recording of the buffeting response. Cross-sectional admittance functions and aerodynamic derivatives have been estimated, and employed for full-scale predictions of dynamic displacements at a chosen value of the characteristic mean wind speed.

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Title:

Aerodynamic investigations for the tender design concepts of the Oresund cable-stayed bridge

Contributors:

Strommen, E. (author) / Hjorth-Hansen, E. (author) / Hansen, S.O. (author) / Jakobsen, J.B. (author)

Published in:

Journal of Wind Engineering and Industrial Aerodynamics ; 80 ; 351-372

Publication date:

1999

Size:

22 Seiten, 7 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0167-6105(98)00199-8

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Windkanal , Flattern , dynamisches Verhalten , Wirbelablösung , Hängebrücke , Dänemark

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