Advanced Condition Assessment and Pipe Failure Prediction ProjectAdvanced Condition Assessment and Pipe Failure Prediction Project
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Predicting the corrosion of cast iron pipes

by R B Petersen and R E Melchers

Centre for Infrastructure Performance and Reliability, The University of Newcastle, Callaghan, NSW,
Australia

Conference:

Ozwater 2016

Date of Conference:

10 – 12 May 2016

Conference Location :

Melbourne, Australia

Abstract

Time of wetness, microbiologically influenced corrosion (MIC) governed by availability of nitrate in the soil water and soil water chlorides are demonstrated as the primary influences for longterm external corrosion of cast iron water pipes in soils. The critical influencing parameters are quantified for a near-homogeneous cohort of exhumed pipes up to 129 years old. They show good numerical correlation with detailed measurements of exterior corrosion penetration for the corresponding pipes. The need for adequate measurement of corrosion penetration and the parameters for MIC, the need for adequate estimation of time of wetness, and the potential influences of physical damage and poor quality backfill are discussed.

Click here to download paper

Information about Pipes

In August 2011 international water research organisations, Australian water utilities and three Australian universities came together through a collaborative research agreement, and committed overall funding of $16 million (including $4 million cash) over five years to undertake this research through the Advanced Condition Assessment and Pipe Failure Prediction Project.

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Recent posts

  • The final meeting of the Committee of Management

    December 6, 2016

  • Final Technical Assessment Committee meeting

    November 24, 2016

  • Critical Pipes Project wins B/HERT award

    November 16, 2016

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