The detection and assessment of accidental damage to offshore installations is important to maintain structural integrity. The critical sizes of underwater dent and bow damage to members that can be detected and sized has been established from tests on damaged members. Techniques for the assessment of the residual strength of damaged tubulars have also been investigated. Results from a survey of organisations involved in the inspection of jacket structures for accidental damage are reported. It is concluded that current threshold levels for the detection of dent and bow damage may lead to significant reductions in the structural capacity of members. It is recommended therefore that current inspection procedures are reviewed, to develop a hierarchy of member criticality for inspection planning. The development of improved inspection methods for detection of bow damage is also recommended.


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    Title :

    Detection of damage to underwater tubulars and the effect of damage on strength


    Additional title:

    Schadenserkennung in Unterwasserrohrleitungen und der Einfluß der Beschädigung auf die Festigkeit


    Contributors:
    Frieze, P.A. (author) / Nichols, N.W. (author) / Sharp, J.V. (author) / Stacey, A. (author)


    Publication date :

    1997


    Size :

    15 Seiten, 8 Bilder, 6 Tabellen, 30 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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