Developing Software Application for Pipeline Survival Curves
Publication: Pipelines 2022
ABSTRACT
A major challenge in water pipe infrastructure asset management is determining the deterioration process for water pipes. The deterioration processes are usually modeled with a decay curve, which describes how pipe performance changes with time. Decay curves can also be used to predict the future performance of a water pipe. The methodology used to develop decay curves should be interpretable, reproducible, and validated. For the pipes with abundant failure records (usually small diameter pipes), we use survival analysis to derive the resulting failure rate function, mean time to failure, and survival curves. In this study, we develop a software application to analyze, visualize, and compare survival curves for water pipelines. The resulting survival curves can then be translated into corresponding decay curves or performance curves. The results will be piloted with water pipe systems of participating utilities.
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Pipelines 2022
Pages: 52 - 60
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Published online: Jul 28, 2022
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