Simple and accurate approaches to predict failure pressures in corroded pipelines are outlined in this work. It is shown that failure pressures for corroded pipelines can be predicted from the solution for undamaged pipelines using an equivalent wall thickness. Three different yield criteria (Tresca, ASSY (average shear stress yield), and von Mises) are reviewed in the light of reported experimental burst pressures. At first, failure pressures for cylindrical vessels with an infinitely long groove are studied by means of numerical simulations. The effect of groove size (depth and width) over the pipeline performance is quantified through a model. Finally, the scheme is extended to estimate the failure pressure of thin walled vessels with irregular finite defects.
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October 2010
Research Papers
Failure Pressure in Corroded Pipelines Based on Equivalent Solutions for Undamaged Pipe
M. Bony,
M. Bony
Institut Français de Mécanique Avancée
, Campus de Clermont-Ferrand, France
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J. L. Alamilla,
jalamill@imp.mx
J. L. Alamilla
Instituto Mexicano del Petróleo
, Eje Central Lazaro Cardenas Norte No. 152, 07730, México, D.F., México
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R. Vai,
R. Vai
Instituto Mexicano del Petróleo
, Eje Central Lazaro Cardenas Norte No. 152, 07730, México, D.F., México
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E. Flores
E. Flores
Instituto Politécnico Nacional
, ESIA-Zacatenco, México
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M. Bony
Institut Français de Mécanique Avancée
, Campus de Clermont-Ferrand, France
J. L. Alamilla
Instituto Mexicano del Petróleo
, Eje Central Lazaro Cardenas Norte No. 152, 07730, México, D.F., Méxicojalamill@imp.mx
R. Vai
Instituto Mexicano del Petróleo
, Eje Central Lazaro Cardenas Norte No. 152, 07730, México, D.F., México
E. Flores
Instituto Politécnico Nacional
, ESIA-Zacatenco, MéxicoJ. Pressure Vessel Technol. Oct 2010, 132(5): 051001 (8 pages)
Published Online: August 20, 2010
Article history
Received:
October 20, 2008
Revised:
June 10, 2009
Online:
August 20, 2010
Published:
August 20, 2010
Citation
Bony, M., Alamilla, J. L., Vai, R., and Flores, E. (August 20, 2010). "Failure Pressure in Corroded Pipelines Based on Equivalent Solutions for Undamaged Pipe." ASME. J. Pressure Vessel Technol. October 2010; 132(5): 051001. https://doi.org/10.1115/1.4001801
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