Experimental investigation of a wavelet based drive-by bridge inspection system incorporating pattern recognition

P. J. McGetrick, C.W. Kim

    Research output: Contribution to conferencePaper

    189 Downloads (Pure)

    Abstract

    This paper presents the results of an experimental investigation, carried out in order to verify the feasibility of a ‘drive-by’ approach which uses a vehicle instrumented with accelerometers to detect and locate damage in a bridge. In theoretical simulations, a simplified vehicle-bridge interaction model is used to investigate the effectiveness of the approach in detecting damage in a bridge from vehicle accelerations. For this purpose, the accelerations are processed using a continuous wavelet transform and damage indicators are evaluated and compared. Alternative statistical pattern recognition techniques are incorporated to allow for repeated vehicle passes. Parameters such as vehicle speed, damage level, location and road roughness are varied in simulations to investigate the effect. A scaled laboratory experiment is carried out to assess the effectiveness of the approach in a more realistic environment, considering a number of bridge damage scenarios.
    Original languageEnglish
    Pages333-340
    Number of pages8
    Publication statusPublished - Nov 2014
    Event4th International Symposium on Life-Cycle Civil Engineering (IALCCE 2014) - Tokyo, Japan
    Duration: 16 Nov 201419 Nov 2014

    Conference

    Conference4th International Symposium on Life-Cycle Civil Engineering (IALCCE 2014)
    Abbreviated titleIALCCE 2014
    CountryJapan
    CityTokyo
    Period16/11/201419/11/2014

    ASJC Scopus subject areas

    • Civil and Structural Engineering
    • Safety, Risk, Reliability and Quality

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