Analysis on interface shear stress of thermally insulated ocean pipelines under installation

S. Yan, Yinghui Tian, R. Liu, Z. Wang, J. Wang

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    It has been proved that the thermally insulated ocean pipeline has advantages over [he conventional pipe-in-pipe pipeline. The risk of using the thermally insulated pipeline is that the exterior layers covering the steel pipe may be pulled off if the shear stress on the interface induced by the pullout force from the tensioner is greater than the binding force between two neighboring layers during installation. This paper develops a procedure to calculate the shear stress on the interface. The binding force between two neighboring layers; can be determined with full scale model tests. The safety of the thermally insulated pipe under installation can then he checked by comparison of the interface shear stress with the binding force.
    Original languageEnglish
    Pages (from-to)315-323
    JournalChina Ocean Engineering
    Volume20
    Issue number2
    Publication statusPublished - 2006

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