In‐service life estimation of damaged gas pipelines : Full‐scale experiments and finite element analyses

Abstract : Statistical analysis reveals that mechanical damage is the first cause of incidents on gas transmission pipelines. They can be created by third party activities such as excavator tooth impact or by interaction between the pipe and rocks. To manage the damaged pipeline safely without useless cost, there is a need to investigate the mechanical behaviour of dented pipelines under a varying internal pressure. The purpose of this study is to characterize the stress and strain field around defects in pipes submitted to cyclic pressure loadings in order to estimate their residual lifetime. Full 3D finite element analyses of the denting process followed by cyclic loading are performed. Full-scale experiments on dented sections are planned.
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Communication dans un congrès
ed. J.Y. Buffière, M. Brune, F. Morel and Y. Nadot. FDMD II - JIP 2014 - Fatigue Design & Material Defects , Jun 2014, Paris, France. MATEC Web of Conferences Volume 12, 2014 12, 06007, 3 p., 2014, 〈10.1051/matecconf/20141206007 〉
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Soumis le : mardi 26 juin 2018 - 17:38:29
Dernière modification le : lundi 12 novembre 2018 - 10:57:27
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Guillaume Burgaud, Remi Batisse, Stéphane Hertz-Clemens, Georges Cailletaud, Yazid Madi, et al.. In‐service life estimation of damaged gas pipelines : Full‐scale experiments and finite element analyses. ed. J.Y. Buffière, M. Brune, F. Morel and Y. Nadot. FDMD II - JIP 2014 - Fatigue Design & Material Defects , Jun 2014, Paris, France. MATEC Web of Conferences Volume 12, 2014 12, 06007, 3 p., 2014, 〈10.1051/matecconf/20141206007 〉. 〈hal-01669976〉

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