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| Azam, Siraj |
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| Azevedo, Nuno Monteiro |
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Shannon, Benjamin
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2018New laboratory test facility developed to investigate the leak-before-break window of large-diameter cast iron water pipescitations
- 2017Introduction of the leak-before-break (LBB) concept for cast iron water pipes on the basis of laboratory experimentscitations
- 2017Classification of major cohorts of Australian pressurised cast iron water mains for pipe renewalcitations
- 2017Experimental evaluation of bursting capacity of corroded grey cast iron water pipelinecitations
- 2017Numerical interpretation of pressurized corroded cast iron pipe testscitations
- 2016Lessons learnt on pipe failure mechanisms from observation of exhumed cast iron pipes
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article
New laboratory test facility developed to investigate the leak-before-break window of large-diameter cast iron water pipes
Abstract
<p>It was reported that the leak-before-break (LBB) concept has potential merit for use as a tool for large-diameter pipe failure prevention in the water industry. For this purpose, a detailed understanding of pipe failure mechanisms and the LBB time window between leak initiation and failure is essential. Controlled laboratory experiments can provide valuable information to address this research question. Therefore, this paper presents a new fully automated laboratory test facility that was developed to investigate the time window between leak initiation and final burst (during fatigue crack growth with variable internal loading including pressure transients) in large-diameter cast iron water pipe. The new setup will be used to validate the application of LBB and to quantify the LBB time window for proactive pipe monitoring for failure prevention. A full-scale pipe test conducted using the new test facility is presented to demonstrate the capability of the new test facility.</p>