3D component method for welded tubular T joints

Marsel Garifullin, Sami Pajunen, Kristo Mela, Markku Heinisuo

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


    The component method is a widely used approach for the design of steel joints. It enables to take into account the stiffness of joints in the global analysis, which is particularly important in the optimiza- tion of frames with semi-rigid joints and in the buckling analysis of truss members. The component method is included in the present Eurocode for connections between I and H sections. Recently CIDECT has proposed to take component method as a unified approach for the design of a wide range of joints including hollow sec- tions, although some issues, including the initial stiffness equations, remain unsolved. In this paper, the com- ponent method is employed for T joints with rectangular hollow sections under biaxial bending and axial force loading. The article develops the component model from a combination of springs and provides the de- sign procedures for the resistance and initial stiffness of the joint. Finally, the paper validates the method with the experimental and numerical data available in literature and discusses the most challenging issues to solve in the future
    Original languageEnglish
    Title of host publicationTubular Structures XVI: Proceedings of the 16th International Symposium for Tubular Structures (ISTS 2017 4-6 December 2017, Melbourne, Australia)
    EditorsAmin Heidarpour, Xiao-Ling Zhao
    PublisherCRC Press
    ISBN (Print)978-0-8153-8134-1
    Publication statusPublished - 2017
    Publication typeA4 Article in conference proceedings
    EventInternational symposium for tubular structures -
    Duration: 17 Jan 2018 → …


    ConferenceInternational symposium for tubular structures
    Period17/01/18 → …

    Publication forum classification

    • Publication forum level 1


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