A new engineering approach to predict the long-term hydrostatic strength of unplasticized poly(vinyl chloride) pipes

H.A. Visser, M. Wolters, T.C. Bor, T.A.P. Engels, L.E. Govaert

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Abstract

Extruded polymer pipes are qualified using pressurized pipe tests. With these tests the long-term hydrostatic strength is determined by subjecting the pipes to an internal pressure, while measuring the time-to-failure. Although these tests can be accelerated (at higher temperatures), they remain time consuming and require a spacious experimental setup. To circumvent this costly method a model based approach is proposed by which the long-term hydrostatic strength is predicted. Using short term measurements, the input parameters for this approach can be determined. In this engineering approach the effects of physical aging are included. The approach is capable to quantitatively predict the (long-term) failure time of pipe sections under internal pressure.
Original languageEnglish
Title of host publicationPVC 2008
Subtitle of host publication10th International PVC Conference, 22-24 April 2008, Brighton Dome, Brighton, UK
EditorsS. Patrick
Place of PublicationBrighton, UK
PublisherIOM Communications Ltd.
Pages377-387
Number of pages10
ISBN (Print)9781861251718
Publication statusPublished - 22 Apr 2008
Event10th International PVC Conference - Brighton, UK
Duration: 22 Apr 200824 Apr 2008

Conference

Conference10th International PVC Conference
Period22/04/0824/04/08
Other22-24 April 2008

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