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Structural assessment of the pedestrian bridge accessing Civita di Bagnoregio, Italy

TitoloStructural assessment of the pedestrian bridge accessing Civita di Bagnoregio, Italy
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2022
AutoriBuffarini, Giacomo, Clemente P., Giovinazzi S., Ormando C., and Scafati F.
RivistaJournal of Civil Structural Health Monitoring
ISSN21905452
Parole chiaveDeterioration, Dynamics analysis, Experimental analysis, Experimental campaign, Experimental dynamic analyse, Experimental dynamics, Footbridges, Pedestrian safety, Piers, Risk and safety assessment of bridge, Risk assessment, Risks assessments, Safety assessments, Structural assessments, Structural health monitoring, Vibration test
Abstract

The paper presents the results of the vibration tests carried out on the pedestrian bridge accessing Civita di Bagnoregio, Italy. The structure was in bad health condition. The external beams were damaged due to deterioration exacerbated by the combined actions of rain and wind. The circular piers were also damaged with several cracks where the concrete cover was spliced and the reinforcement bars were exposed. The analysis presented in the paper focuses on the highest five piers, which seemed to show an irregular behavior during a preliminary experimental campaign. The results of the experimental campaign presented in this paper showed that the structural behavior of the bridge was qualitatively similar to the expected one. The reduced stiffness, due to the observed widespread damage state, amplified the vibrations uniformly along the structure. The Italian Guidelines for the risk and safety assessment of bridges and viaducts, issued in 2020, have been applied and tested in this study and the results are presented in the paper. © 2022, The Author(s).

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85138117688&doi=10.1007%2fs13349-022-00628-7&partnerID=40&md5=ec0de8f45e6e682faee4e78005ac0472
DOI10.1007/s13349-022-00628-7
Citation KeyBuffarini2022