Two compression and two bending tests using X80 high-strain line pipes with 30 inches (762 mm) in outside diameter were conducted to investigate its compression capacity and bending capacity. The compression test revealed that the pipes had the critical compressive strain of 0.90 and 0.78% and the bending test clarified that the 2OD (two times outside diameter) average critical compressive strains were 2.40 and 2.15% and the 1OD average were 2.67% and 2.28%, respectively. The test results proved that X80 high-strain linepipes satisfy requirements from pipeline projects and ensure pipeline integrity in seismic and permafrost areas.


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    Title :

    Strain capacity of high-strength line pipes


    Additional title:

    Dehnungsfähigkeit von hochfesten Pipelinerohren
    Titel japanisch


    Contributors:

    Published in:

    JFE Giho ; 17 ; 31-36


    Publication date :

    2007


    Size :

    6 Seiten, 15 Bilder, 4 Tabellen, 6 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Japanese




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