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Operational Modal Analysis of a high rise RC building and modelling

Abstract : Analysis of ambient vibration records enables the dynamic structural behaviour identification trough Operational Modal Analysis (OMA) techniques. This study uses a set of recordings of a 22-storey Reinforced Concrete (RC) building in Nice (France), where no remarkable damages are detected since it is instrumented. Signals acquired using accelerometers and velocimeters are compared in different frequencies ranges. The main goal is to extract dynamic parameters (natural frequencies, mode shapes and damping) of the building using different OMA techniques: Basic Frequency Domain (BFD), Frequency Domain Decomposition (FDD) and Random Decrement Technique (RDT). Obtained results are then compared to those provided by a Finite Element Model (FEM).
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Contributor : Guillermo Wenceslao Fernandez Lorenzo <>
Submitted on : Monday, April 20, 2015 - 10:54:27 AM
Last modification on : Sunday, October 25, 2020 - 7:06:47 AM
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  • HAL Id : hal-01143764, version 1


Guillermo Wenceslao Fernández Lorenzo, Diego Mercerat, Maria Paola Santisi d'Avila, Etienne Bertrand, Anne Deschamps. Operational Modal Analysis of a high rise RC building and modelling. IOMAC'15 - The 6th International Operational Modal Analysis Conference, May 2015, Gijón, Spain. ⟨hal-01143764⟩



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