Assessment of the structural condition of a cable-stayed footbridge based on dynamic tests
Danilo de Santana Nunes,
José Luis Vital de Brito,
Graciela Nora Doz
Abstract:This paper presents an investigation on the structural condition of a cable-stayed footbridge based on data collected in two dynamic tests, performed at different times. The natural frequencies and mode shapes were obtained by applying output only modal identification methods. At least four experimental mode shapes of the footbridge and stay cables were identified in Operational Modal Analysis. A 3D finite element model of the footbridge was calibrated by adjusting its dynamic properties to the experimentally … Show more
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