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On the Aerostructural Design of Long-Span Cable-Stayed Bridges: The Contribution of Parameter Variation Studies with Focus on the Deck Design

  • M. Cid MontoyaEmail author
  • F. Nieto
  • S. Hernández
  • J. Á. Jurado
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 27)

Abstract

The design of long-span bridges consists of dealing with a large number of design variables and it is conditioned by responses of structural and aeroelastic nature. A deep knowledge about the influence of these variables governing the bridge responses is crucial to achieve efficient and safe designs. Apart from heuristic rules, numerical approaches, such as parameter variation studies, sensitivity analysis and optimization algorithms, can provide reliable information to improve designs. This work studies the effects on the flutter and structural responses of a cable-stayed bridge when the mechanical, mass, aerodynamic and aeroelastic properties of a streamlined mono-box deck are modified. These results are used to understand qualitatively and quantitatively the effects caused by the variation of the deck plate thickness and cross-section shape on the bridge responses.

Keywords

Long-span bridges Bridge aerodynamics Aeroelasticity Aerostructural design Parameter variation studies Sensitivity analyses 

Notes

Acknowledgements

The research leading to these results has received funding from the Spanish Minister of Economy and Competitiveness (MINECO) with reference BIA2016-76656-R. The first author has been also founded by the Fundación Pedro Barrié de la Maza and the University of La Coruña. The authors fully acknowledge the support received.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • M. Cid Montoya
    • 1
    Email author
  • F. Nieto
    • 1
  • S. Hernández
    • 1
  • J. Á. Jurado
    • 1
  1. 1.Structural Mechanics Group (GME), School of Civil EngineeringUniversity of La CoruñaLa CoruñaSpain

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