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Aerodynamic characteristics investigation of Megane multi-box bridge deck by CFD-LES simulations and experimental tests
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  • Journal title : Wind and Structures
  • Volume 22, Issue 2,  2016, pp.161-184
  • Publisher : Techno-Press
  • DOI : 10.12989/was.2016.22.2.161
 Title & Authors
Aerodynamic characteristics investigation of Megane multi-box bridge deck by CFD-LES simulations and experimental tests
Dragomirescu, Elena; Wang, Zhida; Hoftyzer, Michael S.;
Long-span suspension bridges have evolved through the years and with them, the bridge girder decks improved as well, changing their shapes from standard box-deck girders to twin box and multi-box decks sections. The aerodynamic characteristics of the new generation of twin and multiple-decks are investigated nowadays, to provide the best design wind speeds and the optimum dimensions such bridges could achieve. The multi-box Megane bridge deck is one of the new generation bridge decks, consisting of two side decks for traffic lanes and two middle decks for railways, linked between them with connecting beams. Three-dimensional CFD simulations were performed by employing the Large Eddy Simulation (LES) algorithm with a standard Smagorinsky subgrid-scale model, for $Re
multi-box Megane bridge deck;aerodynamic coefficients;CFD simulation;wind tunnel experiments;wind flow patterns;
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