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dc.contributor.author | Ghasemi-Motlagh, Siavash | en_US |
dc.date.accessioned | 2014-03-12T23:49:01Z | |
dc.date.available | 2014-03-12T23:49:01Z | |
dc.date.issued | 2014-03-12 | |
dc.date.submitted | January 2013 | en_US |
dc.identifier.other | DISS-12495 | en_US |
dc.identifier.uri | http://hdl.handle.net/10106/24077 | |
dc.description.abstract | Certainly, water pipes, as part of an underground infrastructure system, play a key role in maintaining quality of life, health, and wellbeing of human kind. As these potable water pipes reach the end of their useful life, they create high maintenance costs, loss of flow capacity, decreased water quality, and increased dissatisfaction.There are several different pipeline renewal techniques available for different applications, among which linings are most commonly used for the renewal of water pipes. Polyurea is a lining material applied to the interior surface of the deteriorated host pipe using spray-on technique. It is applied to structurally enhance the host pipe and provide a barrier coating against further corrosion or deterioration. The purpose of this study was to establish a relationship between stress, strain and time. The results obtained from these tests were used in predicting the strength of the polyurea material during its planned 50-year design life. In addition to this, based on the 10,000 hours experimental data, curve fitting and Findley power law models were employed to predict long-term behavior of the material. Experimental results indicated that the tested polyurea material offers a good balance of strength and stiffness and can be utilized in structural enhancement applications of potable water pipes. | en_US |
dc.description.sponsorship | Najafi, Mohammad | en_US |
dc.language.iso | en | en_US |
dc.publisher | Civil & Environmental Engineering | en_US |
dc.title | Testing And Design Life Analysis Of Polyurea Liner Materials | en_US |
dc.type | M.S. | en_US |
dc.contributor.committeeChair | Najafi, Mohammad | en_US |
dc.degree.department | Civil & Environmental Engineering | en_US |
dc.degree.discipline | Civil & Environmental Engineering | en_US |
dc.degree.grantor | University of Texas at Arlington | en_US |
dc.degree.level | masters | en_US |
dc.degree.name | M.S. | en_US |
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