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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
An improvement of the propagation buckle performance of subsea pipelines
Abstract An alternative analytical procedure, based on a simple plastic mechanism approach, for the prediction of bukle propagation in subsea pipelines is presented. Both unconfined and confined pipes with materials characterised by various strain hardening laws are considered. Predictions for unconfined buckling are shown to reproduce available test results and to compare favourably with a recently reported, but more elaborate, theoretical modelling. Certain ambiguities are found to exist as to the extent of enhancement of propagation pressures resulting from pipeline confinement. Extension of the analysis to a class of spirally ring-rib reinforced pipelines indicates that considerable scope exists for the improvement of propagation buckle capacity and the achievement of pipeline economies.
An improvement of the propagation buckle performance of subsea pipelines
Abstract An alternative analytical procedure, based on a simple plastic mechanism approach, for the prediction of bukle propagation in subsea pipelines is presented. Both unconfined and confined pipes with materials characterised by various strain hardening laws are considered. Predictions for unconfined buckling are shown to reproduce available test results and to compare favourably with a recently reported, but more elaborate, theoretical modelling. Certain ambiguities are found to exist as to the extent of enhancement of propagation pressures resulting from pipeline confinement. Extension of the analysis to a class of spirally ring-rib reinforced pipelines indicates that considerable scope exists for the improvement of propagation buckle capacity and the achievement of pipeline economies.
An improvement of the propagation buckle performance of subsea pipelines
Tam, Christophe K.W. (Autor:in) / Croll, James G.A. (Autor:in)
Thin-Walled Structures ; 4 ; 423-448
01.01.1986
26 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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