One of the most important loads which can decisively affect the resistance capacity of casing, tubing, and submarine pipelines is the external pressure, causing the pipe collapse phenomenon (especially in high pressure wells and when installing deep water sea lines). This paper presents the results of research activities aimed at investigating the external pressure collapse phenomenon for perfectly circular tubes, in order to define design methodologies and criteria for assessing the external pressure resistance capacity of oil industry tubulars. For this purpose tests were performed on small scale pipe specimens, based on the similitude law, and their results were compared with the calculation formulas usually used to assess pipe collapse resistance capacity.


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    Titel :

    Experimental results for local buckling under external pressure (collapse) of perfectly circular tubes


    Weitere Titelangaben:

    Experimentelle Ergebnisse von Versuchen zu lokalen Knicken bei perfekten runden Rohren durch externen Druck


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2004


    Format / Umfang :

    4 Seiten, 8 Bilder, 1 Tabelle, 10 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Deutsch