This study was undertaken to investigate and understand the complete post-wrinkling behavior and failure modes of pressured X52-grade wrinkled buried energy pipeline when subjected to monotonically increasing bending deformation. This study involved both experimental and numerical investigations. Detailed parametric study was undertaken using a numerical approach, and it was found that the X52-grade steel linepipe generally exhibits a ductile behavior. The parametric study shows that X52 linepipe with a diameter-to-thickness ratio of 35 or higher does not fail in rupture. However, these linepipes eventually fail in a deformation mode due to excessive cross-sectional deformation. It was also found that the rupture failure occurs only at the wrinkle face of the bent linepipe.


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    Title :

    Failure of X52 wrinkled pipeline subjected to monotonic bending deformation and internal pressure


    Additional title:

    Bruch einer mit Falten behafteten Rohrleitung aus Stahl der Güte X52, die einer ständigen gleichförmigen Biegeverformung und einem Innendruck ausgesetzt ist


    Contributors:


    Publication date :

    2008


    Size :

    6 Seiten, 13 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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