Advanced Condition Assessment and Pipe Failure Prediction ProjectAdvanced Condition Assessment and Pipe Failure Prediction Project
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Fact Sheet No. 17 – Pressure Transients monitoring in Hunter Water to verify causes for critical pipe failure

Numerical modelling of pressure transients in Hunter Water to predict critical pipe failure

Overview

Internal and external factors, which contribute to pipe failures, have been studied extensively during this research project. Internal pressure was identified as the most critical loading to cause high stresses in large diameter water pipes. A pressure monitoring program, which was carried out as a part of this project, measured the pressures in two selected sections (section A and B) in the Hunter Water network. This data provides pressure variation in the several selected locations in the network. But this data cannot be used to obtain pressure distribution across the entire network. In order to obtain the pressure distribution across the entire water network pressure transient hydraulic modelling was carried out using the Surge 2000 (KYPIPE) computer program. Prior to performing pressure transient analysis, an Extended Period Simulation (EPS) was carried out to understand the behavior of two sections during steady state operation. Such models, once validated, can be used to obtain the pressures at the locations of previous failures to understand the possible causes of pipe failure.

Click here to download the Fact Sheet

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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