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Numerical modeling strategy for deteriorated concrete decks in SHM applications

 Numerical modeling strategy for deteriorated concrete decks in SHM applications
Auteur(s): , , ,
Présenté pendant IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, publié dans , pp. 1643-1650
DOI: 10.2749/ghent.2021.1643
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The scarce availability of experimental data is a common issue faced by researchers involved in the study of vibration-based methods for damage identification in reinforced concrete structures. Suc...
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Détails bibliographiques

Auteur(s): (Politecnico di Milano, Milan, Italy)
(Politecnico di Milano, Milan, Italy)
(Politecnico di Milano, Milan, Italy)
(Politecnico di Milano, Milan, Italy)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021
Publié dans:
Page(s): 1643-1650 Nombre total de pages (du PDF): 8
Page(s): 1643-1650
Nombre total de pages (du PDF): 8
DOI: 10.2749/ghent.2021.1643
Abstrait:

The scarce availability of experimental data is a common issue faced by researchers involved in the study of vibration-based methods for damage identification in reinforced concrete structures. Such methods are often investigated and validated using data generated by numerical models where damage is simulated as a localized or global reduction of the material mechanical characteristics. In this paper, a strategy to realistically model the behavior of a cracked reinforced concrete bridge deck is proposed. This modeling strategy, albeit relatively straightforward to implement, allows to consider several complex phenomena and at the same time does not entail heavy computational effort. The modeling strategy is applied to simulate the dynamic behavior of a reinforced concrete multiple T-section girder bridge. Several types of damages are simulated and the sensitivity of modal frequencies and load-carrying capacity to different damage scenarios is investigated.

Copyright: © 2021 International Association for Bridge and Structural Engineering (IABSE)
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