Abstract
This paper presents the results of the dynamic tests conducted on a historical reinforced concrete arch bridge located in the Tuscan-Emilian Apennines, in the province of Parma (Italy). The design of the sensors location was determined in order to investigate the possible separation into bodies operated by the joints between the different spans. The ambient vibration data allowed the dynamic characterization of the 3-span arch bridge with the total length of 146 m and 18 m in width. The interpretation of the main global modes, distinctly detected through time domain identification methods, indicates that the horizontal response is governed by the deformability of the joints. The results show that the obtained modal features provide a reliable reference for the subsequent updating of the bridge FE model.
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Acknowledgement
The research was conducted under a contract with the Road and Infrastructure Service of the Provincia di Parma.
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Ceravolo, R., Coletta, G., Lenticchia, E., Li, L., Quattrone, A., Rollo, S. (2020). In-Operation Experimental Modal Analysis of a Three Span Open-Spandrel RC Arch Bridge. In: Arêde, A., Costa, C. (eds) Proceedings of ARCH 2019. ARCH 2019. Structural Integrity, vol 11. Springer, Cham. https://doi.org/10.1007/978-3-030-29227-0_52
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DOI: https://doi.org/10.1007/978-3-030-29227-0_52
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