Abstract
In this paper, preliminary results of a study aimed at the structural characterization of the “Guglie” bridge, located in the historical city of Venice (Italy), are presented. The study is based on theoretical and numerical modeling and on experimental investigations. The mechanical characterization of the bridge is obtained by means of expeditious and nondestructive testing procedure based on vibration measurements of seismic noise. The use of nondestructive testing approaches is well suited for the monitoring of historical and cultural heritage.
A high-sensitivity digital tromograph, consisting of triaxial high-sensitivity velocimetric sensors, has been used for vibration measurements on the bridge and on the soil. The tromographic acquisitions have been analyzed, considering their spectral representation, in order to take information on the dynamical behavior and mechanical characteristics of the bridge. The results obtained by the experimentation have been used for dynamic identification of the bridge. In this way, the bridge mechanical characterization has been carried on, and a FE model has been calibrated.
The idea is to perform a realistic model for evaluating vulnerability and for designing possible interventions of reconstruction and reinforcement of the bridge.
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Manzato, A., Trevisani, S., Cecchi, A. (2018). Mechanical Model for Bridge “Guglie” Through Dynamic Identification Procedure. In: Koui, M., Zezza, F., Kouis, D. (eds) 10th International Symposium on the Conservation of Monuments in the Mediterranean Basin. MONUBASIN 2017. Springer, Cham. https://doi.org/10.1007/978-3-319-78093-1_38
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DOI: https://doi.org/10.1007/978-3-319-78093-1_38
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