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Influence of moderate temperatures on the bond between carbon fibre reinforced polymer bars (CFRP) and concrete

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Influence of moderate temperatures on the bond between carbon fibre reinforced polymer bars (CFRP) and concrete

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dc.contributor.author Calvet Rodríguez, Víctor es_ES
dc.contributor.author Valcuende Payá, Manuel Octavio es_ES
dc.contributor.author Benlloch Marco, Javier es_ES
dc.contributor.author Canovés Valiente, Jacinto José es_ES
dc.date.accessioned 2016-04-26T06:40:23Z
dc.date.available 2016-04-26T06:40:23Z
dc.date.issued 2015-09-30
dc.identifier.issn 0950-0618
dc.identifier.uri http://hdl.handle.net/10251/62923
dc.description.abstract [EN] This study analyzes the influence of different environmental conditions (freeze/thaw, 5ºC, 20ºC, 40ºC and 80ºC) on the bond of different types of CFRP bars (sanded, ribbed, and deformed and textured) and the results are compared with those obtained on tests with Steel bars. The tests included Pullout, SEM, AFM, TGA and DSC. The experimental results show that there are large differences in the behaviour of different types od CFRP bar and also that temperatura variations have an influence on their bond due to changes in the mechanical properties of the polymer resin. Ribbed CFRP bars have the highest "tau" max values, similar to those obtained from Steel bars, except at high temperaturas (80ºC). Their failure mode varies according to the relationship between the shear resistance of the ribs and that of the concrete. Sanded bars have significantly lower "tau"max, but do show good initial bond. Failure usually occurs due to weakening of the bond between the sanded layer and the bar. Deformed and textured bars also have low "tau"max values due to the design of their surface geometry, with widely separated shallow grooves. Bond failure occurs due to shear of the concrete embedded in the grooves and at high temperaturas there is also a separation of the textured layer. es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Construction and Building Materials es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Temperature es_ES
dc.subject Bond strength es_ES
dc.subject CFRP es_ES
dc.subject Sanded bar es_ES
dc.subject Ribbed bar es_ES
dc.subject Deformed and textured bar es_ES
dc.subject.classification CONSTRUCCIONES ARQUITECTONICAS es_ES
dc.title Influence of moderate temperatures on the bond between carbon fibre reinforced polymer bars (CFRP) and concrete es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.conbuildmat.2015.07.053
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Construcciones Arquitectónicas - Departament de Construccions Arquitectòniques es_ES
dc.description.bibliographicCitation Calvet Rodríguez, V.; Valcuende Payá, MO.; Benlloch Marco, J.; Canoves Valiente, JJ. (2015). Influence of moderate temperatures on the bond between carbon fibre reinforced polymer bars (CFRP) and concrete. Construction and Building Materials. (94):589-604. doi:10.1016/j.conbuildmat.2015.07.053 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.conbuildmat.2015.07.053 es_ES
dc.description.upvformatpinicio 589 es_ES
dc.description.upvformatpfin 604 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.issue 94 es_ES
dc.relation.senia 292249 es_ES


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