High-strain linepipes provide excellent strain capacity to withstand axial compression and bending deformation. Assuming the outside diameter, the wall thickness and the design factor of the linepipe as 762 mm, 15.6 mm, and 0.4, respectively, critical compressive strain of the X80-grade linepipe can be estimated to be 2.0% which is approximately 1.5 times larger than that of a conventional X80-grade pipe. The excellent strain capacity enables us to reduce construction costs and ensure integrity of buried pipelines in seismic areas and cold regions.


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    Title :

    Seismic integrity of high-strength pipelines


    Additional title:

    Erdbebensicherheit von hochfesten Pipelines
    Titel japanisch


    Contributors:

    Published in:

    JFE Giho ; 17 ; 14-19


    Publication date :

    2007


    Size :

    6 Seiten, 6 Bilder, 8 Tabellen, 10 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Japanese




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