Damage detection based on output-only monitoring of dynamic curvature in concrete-steel composite bridge decks

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Tipo di pubblicazione: Articolo su rivista
Tipologia MIUR: Contributo su Rivista > Articolo in rivista
Titolo: Damage detection based on output-only monitoring of dynamic curvature in concrete-steel composite bridge decks
Autori: Domaneschi, M., Sigurdardottir, D., Glišić, B.
Autori di ateneo:
Tipo di referee: Esperti anonimi
Editore: Techno-Press
Volume: 4
Numero: 1
Intervallo pagine: pp. 1-15
Numero di pagine: 15
ISSN: 2288-6605
Abstract: Installation of sensors networks for continuous in-service monitoring of structures and their efficiency conditions is a current research trend of paramount interest. On-line monitoring systems could be strategically useful for road infrastructures, which are expected to perform efficiently and be self-diagnostic, also in emergency scenarios. This work researches damage detection in composite concrete-steel structures that are typical for highway overpasses and bridges. The techniques herein proposed assume that typical damage in the deck occurs in form of delamination and cracking, and that it affects the peak power spectral density of dynamic curvature. The investigation is performed by combining results of measurements collected by long-gauge fiber optic strain sensors installed on monitored structure and a statistic approach. A finite element model has been also prepared and validated for deepening peculiar aspects of the investigation and the availability of the method. The proposed method for real time applications is able to detect a documented unusual behavior (e.g., damage or deterioration) through long-gauge fiber optic strain sensors measurements and a probabilistic study of the dynamic curvature power spectral density.
Status: In stampa
Lingua della pubblicazione: Inglese
Parole chiave: traffic, pdf, detection, output-only, fiber optic sensors, bridge
Dipartimenti (originale): NON SPECIFICATO
Dipartimenti: DISEG - Dipartimento di Ingegneria Strutturale, Edile e Geotecnica
URL correlate:
    Area disciplinare: Area 08 - Ingegneria civile e Architettura > TECNICA DELLE COSTRUZIONI
    Data di deposito: 19 Mar 2017 02:13
    Data ultima modifica (IRIS): 19 Mar 2017 02:17:39
    Data inserimento (PORTO): 21 Mar 2017 03:03
    Numero Identificativo (DOI): https://doi.org/10.12989/smm.2017.4.1.001
    Permalink: http://porto.polito.it/id/eprint/2667278
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