Advanced Condition Assessment and Pipe Failure Prediction ProjectAdvanced Condition Assessment and Pipe Failure Prediction Project
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Lessons learnt on pipe failure mechanisms from observation of exhumed cast iron pipes

by Benjamin Shannon, Suranji Rathnayaka, Chunshun Zhang, Jayantha Kodikara

Monash University, Clayton, VIC

Conference:

Ozwater 2016

Date of Conference:

10 – 12 May 2016

Conference Location :

Melbourne, Australia

Abstract

Underground water distribution pipe failures occur commonly across Australia. External loads, internal loads and corrosion are the main contributers to cast iron pipe failures. Pipe replacement after failure is conducted as fast as possible and failure mechanisms are only briefly documented. The extent of corrosion in exhumed cast iron pipes were collated. Pipes failures which did not lead to a major burst (leaks and no pipe failure) were examined. Some examples of non-failed cast iron pipe sections were analysed using stress analysis and approximate pipe material input data. In conclusion, irrespective of the depth of corrosion, the patch/pit sizes under 40 mm in diameter examined were unlikely to cause failure in all cast iron pipes tested.

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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