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Evaluation of fatigue performance at different temperatures

2009Conference paper Open access
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dc.contributor.authorMinhoto, Manuel
dc.contributor.authorPais, Jorge
dc.contributor.authorPereira, Paulo
dc.date.accessioned2010-01-27T18:10:54Z
dc.date.available2010-01-27T18:10:54Z
dc.date.issued2009
dc.description.abstractThe fatigue performance of asphalt mixtures is used to predict pavement life to control the cracking in the asphalt layers. The design of an asphalt pavement is usually made for a specific temperature, what is intended to represent the pavement behaviour throughout a whole year. For damage analysis during a year, along which the pavement temperature constantly varies, it is necessary to calculate the fatigue performance of pavements at a wide range of temperatures. Thus, this paper presents the evaluation of the fatigue response of two asphalt mixtures, a conventional and an asphalt rubber mixture. Frequency sweep tests were also performed to evaluate the stiffness modulus. The fatigue test results showed that the fatigue life decreases when the test temperature decreases up to a certain value. After that value, the fatigue life increases when the test temperature decreases. To explain this phenomenon, this paper presents the preliminary tests carried out to measure the temperature inside the testing specimens to verify possible discrepancies between the climatic chamber temperature and the specimen temperature.pt
dc.identifier.citationMinhoto, Manuel; Pais, Jorge; Pereira, Paulo (2009). Evaluation of fatigue performance at different temperatures. In 2nd Workshop on Four-point Bending. Guimarães. p 217-229. ISBN 978-972-8692-42-1pt
dc.identifier.isbn978-972-8692-42-1
dc.identifier.urihttp://hdl.handle.net/10198/1512
dc.language.isoengpt
dc.publisherUniversidade do Minhopt
dc.relation.publisherversionhttp://www.civil.uminho.pt/4pb/4pb_platform/index.htmpt
dc.subjectAsphalt mixturespt
dc.subjectFatigue resistancept
dc.subjectTemperaturept
dc.subjectFour point bending testspt
dc.subjectFlexible pavementspt
dc.titleEvaluation of fatigue performance at different temperaturespt
dc.typeconference paper
dspace.entity.typePublication
oaire.citation.conferencePlaceUniversity of Minho, Guimarães, Portugalpt
oaire.citation.titleProceedings of the 2nd Workshop on Four-point Bendingpt
person.familyNameMinhoto
person.givenNameManuel
person.identifier.ciencia-id8111-B03D-46D2
person.identifier.orcid0000-0002-0612-0316
rcaap.rightsopenAccesspt
rcaap.typeconferenceObjectpt
relation.isAuthorOfPublication5a104ed9-9e65-41a2-88af-43309083c985
relation.isAuthorOfPublication.latestForDiscovery5a104ed9-9e65-41a2-88af-43309083c985

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