STP1139

    Acoustic Emission Monitoring and Destructive Testing of Glass Fibre Reinforced Plastic Bucket Truck Booms

    Published: Jan 1992


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    Abstract

    The objectives of this study were to develop a larger data base on which to select acoustic emission (AE) criteria for predicting the serviceability of glass fibre reinforced plastic (GFRP) bucket truck booms and to determine the structural significance of visually detectable in-situ service defects such as cuts, cracks and impact damage. Six different GFRP booms which had been removed from service were mounted in cantilever and incrementally loaded to failure and periodically subjected to an ASTM F914 type test procedure. Data generated from the continuous monitoring of AE sensors mounted along the boom length included signal events, counts and amplitude. Felicity ratio and boom compliance were evaluated in order to obtain additional damage growth information.

    Keywords:

    acoustic emission, bucket truck, manlift boom, compliance, felicity ratio, kaiser effect


    Author Information:

    Gambone, LR
    Materials engineer, materials engineer and research technologist, Powertech Labs Inc., Surrey, B.C.

    Marusic, H
    Materials engineer, materials engineer and research technologist, Powertech Labs Inc., Surrey, B.C.

    Kung, D
    Materials engineer, materials engineer and research technologist, Powertech Labs Inc., Surrey, B.C.

    Janke, G
    Mechanical engineer, Anderson Consulting, Vancouver, B.C.


    Paper ID: STP15858S

    Committee/Subcommittee: F18.55

    DOI: 10.1520/STP15858S


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