Up to the present, most of the pipes used in offshore applications installed with methods introducing plastic deformation have been seamless pipes; however, welded pipes can also be used. Welded pipes offers benefits over seamless pipe in terms of improved lead times, lower project costs, tighter dimensional tolerance and good control of mechanical properties and chemistry resulting in excellent weldability. During installation of welded pipes, failure by fracture, plastic collapse and local buckling may occur. In this work, the occurrence of the local buckling phenomenon, produced during the installation method, was evaluated. Numerical models were developed to study the effect of materials and geometrical parameters on the local bucking of pipes subjected to bending. Specifically, the loads and strains at which the plastic instability occurs were determined for each particular condition. In addition, the influence of longitudinal and girth welds on the local bucking occurrence was assessed.
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2010 8th International Pipeline Conference
September 27–October 1, 2010
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute and the Pipeline Division
ISBN:
978-0-7918-4422-9
PROCEEDINGS PAPER
Offshore Installation of Welded Pipe: Local Buckling Evaluation
Luciano Mantovano,
Luciano Mantovano
Tenaris Group, Campana, Argentina
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Richard E. Bravo,
Richard E. Bravo
Tenaris Group, Campana, Argentina
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Sebastian Cravero,
Sebastian Cravero
Tenaris Group, Campana, Argentina
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Hugo A. Ernst
Hugo A. Ernst
Tenaris Group, Campana, Argentina
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Luciano Mantovano
Tenaris Group, Campana, Argentina
Richard E. Bravo
Tenaris Group, Campana, Argentina
Sebastian Cravero
Tenaris Group, Campana, Argentina
Hugo A. Ernst
Tenaris Group, Campana, Argentina
Paper No:
IPC2010-31649, pp. 749-758; 10 pages
Published Online:
April 4, 2011
Citation
Mantovano, L, Bravo, RE, Cravero, S, & Ernst, HA. "Offshore Installation of Welded Pipe: Local Buckling Evaluation." Proceedings of the 2010 8th International Pipeline Conference. 2010 8th International Pipeline Conference, Volume 3. Calgary, Alberta, Canada. September 27–October 1, 2010. pp. 749-758. ASME. https://doi.org/10.1115/IPC2010-31649
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