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Wind engineering aspects of the Hardanger suspension bridge with a main span of approx. 1300 m. Quality assurance of the extensive wind engineering studies carried out in the 90’ties. Investigations from 2006 to 2008 covered comprehensive wind tunnel testing of the aerodynamic characteristics of the bridge deck including improvements of the structure by aerodynamic means. Wind buffeting, flutter and vortex-induced vibrations were part of the investigations carried out. Time domain analyses of buffeting and flutter vibrations. Client: Norwegian Public Roads Administration