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    Stress concentration factors for fatigue analysis of circumferential welds in very thick tubular members in fixed offshore structures

    245783_Heshmati 2016.pdf (7.616Mb)
    Access Status
    Open access
    Authors
    Heshmati, Ehsan
    Date
    2016
    Supervisor
    Prof. Hamid Nikraz
    Type
    Thesis
    Award
    PhD
    
    Metadata
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    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/2244
    Collection
    • Curtin Theses
    Abstract

    In this thesis, the numerical analysis work performed, using Finite Element Method, assesses cases beyond the limits imposed by industry standards on end configurations for tubular circumferential joints in offshore structures and concludes by proposing that current limitations on thickness ratio and thickness transition slope require relaxation/revision to allow alternative possibilities be used in design, for joints with high thicknesses, with potential cost savings without altering the risk of failure in such welded joints.

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