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.
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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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Cid Montoya, M., Nieto, F., Hernández, S., Jurado, J.Á. (2019). On the Aerostructural Design of Long-Span Cable-Stayed Bridges: The Contribution of Parameter Variation Studies with Focus on the Deck Design. In: Ricciardelli, F., Avossa, A. (eds) Proceedings of the XV Conference of the Italian Association for Wind Engineering. IN VENTO 2018. Lecture Notes in Civil Engineering, vol 27. Springer, Cham. https://doi.org/10.1007/978-3-030-12815-9_19
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DOI: https://doi.org/10.1007/978-3-030-12815-9_19
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