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Application of plateau value to predict fatigue life

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dc.contributor.authorPais, Jorge
dc.contributor.authorPereira, Paulo
dc.contributor.authorMinhoto, Manuel
dc.contributor.authorFontes, Liseane
dc.contributor.authorKumar, D.S.N.V.A.
dc.contributor.authorSilva, B.T.A.
dc.date.accessioned2010-01-30T15:01:46Z
dc.date.available2010-01-30T15:01:46Z
dc.date.issued2009
dc.description.abstractFatigue resistance of asphalt mixtures represents an important parameter for pavement design. This fatigue resistance is calculated through laboratory tests which require some time depending on the strain level applied to the specimen. For very low strain levels, identical to the one installed in the pavement, one test may last more than one week depending on the testing frequency. The time needed for the development of the fatigue law may last longer. Recent developments introduced an energy approach, based on the ratio of dissipated energy change, which leads to a plateau value that requires short testing to predict the specimen failure. This paper presents the implementation of this approach to evaluate the fatigue resistance of Portuguese asphalt mixtures. Three asphalt mixtures were studied. The first mixture was tested using two strain levels and three specimens for strain level. The second mixture was tested using three strain levels and three specimens per strain level, whereas the last mixture was tested with 18 specimens, 6 per strain level. The approach seems to have potential to be used for fast evaluation of the fatigue response of asphalt mixtures.pt
dc.identifier.citationPais, Jorge C.; Pereira, Paulo A.A.; Minhoto, Manuel J. C.; Fontes, Liseane; Kumar, D.S.N.V.A.; Silva, B.T.A. (2009). Application of plateau value to predict fatigue life. In Proceedings of the 2nd Workshop on Four-point Bending. University of Minho. p.59-68. Pais (ed.). ISBN 978-972-8692-42-1pt
dc.identifier.isbn978-972-8692-42-1
dc.identifier.urihttp://hdl.handle.net/10198/1587
dc.language.isoengpt
dc.publisherJorge C. Paispt
dc.relation.ispartofseries2nd Workshop on Four Point Bending;
dc.relation.publisherversionhttp://www.civil.uminho.pt/4pb/4pb_platform/index.htmpt
dc.subjectAsphalt mixturespt
dc.subjectFatigue resistancept
dc.subjectFatigue plateau valuept
dc.subjectFour Point Bending testspt
dc.subjectFlexible pavementspt
dc.titleApplication of plateau value to predict fatigue lifept
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceUniversity of Minho, Guimarães, Portugalpt
oaire.citation.titleProceedings of the Second 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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