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A Simplified Analysis of Imperfect Thermally Buckled Subsea Pipelines

(1998) A Simplified Analysis of Imperfect Thermally Buckled Subsea Pipelines. International Journal of Offshore and Polar Engineering , 8 (4) pp. 283-291.

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Abstract

An alternative model for the one-way buckling of thermally compressed subsea pipelines is briefly described and shown to provide very close agreement with a new, more precise analysis. Compared with past analyses of the problem the present approach is shown to have considerable practical advantages. First, it is based upon straightforward physical concepts and involves little analytical complexity. Second, even for the situation in which the pipeline contains initial imperfections resulting from the lay process, the approach provides very simple and explicit analytical expressions for both upper and lower bounds of the buckling loads. As a consequence, this new and simplified method recommends itself as a practical basis for both future design and in-service strength assessment

Type: Article
Title: A Simplified Analysis of Imperfect Thermally Buckled Subsea Pipelines
Keywords: analysis, assessment, buckling load, Design, expression, Model, process, processes, strength assessment, subsea, subsea pipelines, thermal buckling, thermal loading
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: http://discovery.ucl.ac.uk/id/eprint/33411
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