Optimisation of Bridge Decks Modal Analysis

David Garcia-Sanchez*, Alvaro Gaute-Alonso, Jean François Caron, Javier Torres Ruíz

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Citation (Scopus)

    Abstract

    The use of simplified modal analysis methods for the modal analysis of bridge decks contributes to the intelligent modelling process for the analysis of the dynamic behaviour of bridges opening the way to easily feed a Digital Twin (DT) accelerating the demands of the Decision Support System (DSS) in real time. This work presents a novel method that allows the modal analysis of bridge decks by applying a formulation that reduces the structural problem to a reduced number of degrees of freedom associated with the structural response mechanism mobilised in the bridge deck vibration. A parametric study is proposed to analyse the dynamic structural response of a total of 20 bridge decks of different lengths and number of spans. The proposed method is experimentally tested by a dynamic loading test of a full-scale railway bridge deck. As a result of the analysis, the proposed method reflects an adequate convergence with the experimental dynamic structural response.

    Original languageEnglish
    Title of host publicationExperimental Vibration Analysis for Civil Engineering Structures - EVACES 2023 - Volume 1
    EditorsMaria Pina Limongelli, Pier Francesco Giordano, Carmelo Gentile, Said Quqa, Alfredo Cigada
    PublisherSpringer Science and Business Media Deutschland GmbH
    Pages370-380
    Number of pages11
    ISBN (Print)9783031391088
    DOIs
    Publication statusPublished - 2023
    EventExperimental Vibration Analysis for Civil Engineering Structures - EVACES 2023 - Volume 2 - Milan, Italy
    Duration: 30 Aug 20231 Sept 2023

    Publication series

    NameLecture Notes in Civil Engineering
    Volume432 LNCE
    ISSN (Print)2366-2557
    ISSN (Electronic)2366-2565

    Conference

    ConferenceExperimental Vibration Analysis for Civil Engineering Structures - EVACES 2023 - Volume 2
    Country/TerritoryItaly
    CityMilan
    Period30/08/231/09/23

    Keywords

    • Digital-twin
    • Dynamic load test of full-scale railway bridge deck
    • Optimised modal analysis method
    • Parametric study
    • Real-time decision support system

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