The paper deals with the analysis of a historical masonry tower characterized by a squat profile and a square cross section. Due to the absence of asymmetry, a classical FE model of the tower gives as a result of the Modal Analysis the first two bending modes very close to each other. Only a detailed experimental study based on the application of Operational Modal Analysis (OMA) to environmental vibrations and the use of filtering processes allowed to update the model taking into account the effects of the surrounding conditions. The details of the aforementioned analyses and of the subsequent model updating are presented.

Accurate model updating of a historic tower by means of dynamical experimental data

Giannoccaro N. I.;
2019-01-01

Abstract

The paper deals with the analysis of a historical masonry tower characterized by a squat profile and a square cross section. Due to the absence of asymmetry, a classical FE model of the tower gives as a result of the Modal Analysis the first two bending modes very close to each other. Only a detailed experimental study based on the application of Operational Modal Analysis (OMA) to environmental vibrations and the use of filtering processes allowed to update the model taking into account the effects of the surrounding conditions. The details of the aforementioned analyses and of the subsequent model updating are presented.
2019
978-840904900-4
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11587/436591
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