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Journal of Failure Analysis and Prevention

, Volume 9, Issue 6, pp 541–548 | Cite as

Evaluation of Current Condition and Lifespan of Drinking Water Pipelines

  • A. Restrepo
  • J. Delgado
  • F. Echeverría
Technical Article---Peer-Reviewed

Abstract

The condition of underground water pipelines was assessed, and a large amount of data for both the soil and the corresponding pipeline section were collected. Statistical techniques were employed first to establish the sampling design and later for the data analysis and obtaining a mathematical expression for pitting depth as a function of several experimental variables. The data were used to evaluate corrosivity, current condition and lifespan of the pipeline under study and present the results graphically in the form of maps. The approaches and techniques employed here provide a useful tool for structuring maintenance programs.

Keywords

Iron pipes In-soil corrosion Modeling studies Pitting corrosion 

Notes

Acknowledgments

The authors would like to thank to Empresas Públicas de Medellín E.S.P. by fully supporting this study. We also want to thank the support of the Programa de Sostenibilidad of the University of Antioquia for completion of this work.

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Copyright information

© ASM International 2009

Authors and Affiliations

  1. 1.Grupo de Corrosión y ProtecciónSede de Investigación Universitaria, Universidad de AntioquiaMedellínColombia

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