Prediction of Pipe Failure in Drinking Water Distribution Networks by Comsima

Prediction of Pipe Failure in Drinking Water Distribution Networks by Comsima

Wols, Bas;Moerman, Andreas;Horst, Peter;Laarhoven, Karel van;
proceedings 2018 Vol. 2 pp. 589-
180
wols2018predictionproceedings

Abstract

Comsima is a mechanical model that calculates stresses and joint rotations in drinking water distribution pipes based upon several loadings on the pipe (soil, traffic, water pressure, differential settlements). Pipe degradation mechanisms (slow crack growth resistance for PVC and calcium leaching for AC) were added to the model. A comparison with failure registration for an area in the Netherlands using satellite data to determine differential settlements shows that pipes with higher stresses or higher joint rotations in general have a higher failure rate.

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