2013
DOI: 10.3989/ic.12.087
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Dimensionamiento del refuerzo a flexión con laminados de polímeros reforzados con fibras (FRP) evitando su desprendimiento prematuro

Abstract: RESUMENLa investigación experimental de elementos de hormigón reforzados a flexión mediante la adhesión de laminados de polí-meros reforzados con fibras (FRP) muestra que en la mayor parte de ensayos, el laminado se desprende de forma prematura iniciándose normalmente el fallo en las regiones más solicitadas debido al efecto de las fisuras intermedias. Desde los inicios de esta técnica de refuerzo, se han desarrollado modelos para evitar este tipo de rotura, la mayoría de los cuales presentan una dispersión co… Show more

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Cited by 4 publications
(4 citation statements)
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“…D'Antino and Triantafillou [31] assessed the performance of some of the existing debonding models, concluding that the model of Said and Wu [28] showed the best performance. A similar analysis was previously developed by Oller et al [32]. According to this analysis, the simplified model of Oller et al [32] and the models of Ye et al [24] and Said and Wu [28] showed the best statistical performance in terms of mean value and coefficient of variation.…”
Section: Adopted Debonding Modelsupporting
confidence: 55%
See 1 more Smart Citation
“…D'Antino and Triantafillou [31] assessed the performance of some of the existing debonding models, concluding that the model of Said and Wu [28] showed the best performance. A similar analysis was previously developed by Oller et al [32]. According to this analysis, the simplified model of Oller et al [32] and the models of Ye et al [24] and Said and Wu [28] showed the best statistical performance in terms of mean value and coefficient of variation.…”
Section: Adopted Debonding Modelsupporting
confidence: 55%
“…A similar analysis was previously developed by Oller et al [32]. According to this analysis, the simplified model of Oller et al [32] and the models of Ye et al [24] and Said and Wu [28] showed the best statistical performance in terms of mean value and coefficient of variation. According to Oller et al [22], the maximum transferred force along the crack spacing ∆Pmax,scr, can be expressed as:…”
Section: Adopted Debonding Modelsupporting
confidence: 55%
“…There is still uncertainty in the precise role of the influencing parameters in the debonding phenomena, hence simplified design formulations based on the direct calibration of empirical expressions against experimental results are often presented in the literature. Usual models are based on different approaches: a limitation of the stress or strain in the FRP strengthening at the critical section of the beam [ 2 , 6 , 22 , 23 , 24 ]; a limitation of the maximum mean bond stress [ 25 ]; or a limitation of the increment of tensile force/stress in the FRP [ 21 , 26 , 27 , 28 , 29 ].…”
Section: Introductionmentioning
confidence: 99%
“…Al igual que en los refuerzos en hormigón, interesa evitar fallos prematuros por desprendimiento repentino de la lámina (18). El despegue iniciado en el extremo se debe evitar mediante un adecuado diseño y cálculo de la longitud de anclaje del refuerzo.…”
Section: Introductionunclassified