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  5. Resistencia al fuego de perfiles pultruídos de polímero reforzado con fibras de vidrio (GFRP) para aplicaciones en rehabilitación: Estudio experimental, numérico y analítico

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Article
Spanish; Castilian
2016

Resistencia al fuego de perfiles pultruídos de polímero reforzado con fibras de vidrio (GFRP) para aplicaciones en rehabilitación: Estudio experimental, numérico y analítico

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Spanish; Castilian
2016
Revista ALCONPAT
Vol 6 (2)
DOI: 10.21041/ra.v6i2.136

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Nuno Silvestre
Nuno Silvestre

University of Lisbon

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Tânia Morgado
João R. Correia
Nuno Silvestre
+1 more

Abstract

Resistencia al fuego de perfiles pultruídos de polímero reforzado con fibras de vidrio (GFRP) para aplicaciones en rehabilitación: Estudio experimental, numérico y analíticoRESUMENEl presente artículo presenta un estudio sobre la resistencia al fuego de vigas fabricadas con perfiles pultrusionados de polímero reforzado con fibra de vidrio (GFRP). Se realizaron ensayos de resistencia al fuego en vigas con un vano de 1.3 m, expuestas a la acción del fuego según la norma ISO 834. En estos ensayos, se evaluó el efecto de diferentes tipos de exposición al fuego y los niveles de carga aplicados, así como la eficacia de diferentes sistemas de protección. Se desarrolló un modelo numérico en el software ANSYS FLUENT para simular la evolución del campo de temperaturas en la sección transversal y un modelo analítico para determinar la evolución de la deformación de las vigas.Palabras clave: materiales compuestos, resistencia al fuego, campaña experimental, simulación numérica, modelo analítico. Fire Resistance of pultruded profiles of glass fiber reinforced polymer (GFRP) for rehabilitation applications: Experimental, numeric, and analytical studyABSTRACTThis article presents a study on the fire resistance of beams manufactured with pultruded profiles of glass fiber reinforced polymer (GFRP). Fire resistance tests were done on beams with a span of 1.3 m, exposed to the action of fire and according to the standard ISO 834. In these tests, the effect of different types of exposure to fire and the degrees of loads applied, as well as the efficiency of different protection systems were evaluated. A numeric model in the ANSYS FLUENT software was developed to simulate the evolution of the ranges of temperatures in the cross-section, as well as an analytical model to determine the evolution of deformation on the beams.Keywords: composite materials; resistance to fire; experimental campaign; numeric simulation; analytical model. Resistência ao fogo de perfis pultrudidos de polímero reforçado com fibras de vidro (GFRP) para aplicações em reabilitação: Estudo experimental, numérico e analíticoRESUMONeste artigo é apresentado um estudo sobre a resistência ao fogo de vigas em perfis pultrudidos de polímero reforçado com fibras de vidro (GFRP). Foram realizados ensaios de resistência ao fogo em vigas com um vão de 1.3 m, expostas ao fogo de acordo com a curva temperatura-tempo da norma ISO 834. Nestes ensaios, avaliou-se o efeito de diferentes tipos de exposição ao fogo (em uma e três faces) e níveis de carga aplicados, bem como a eficácia de diferentes sistemas de proteção. Foi desenvolvido um modelo numérico térmico bidimensional no software ANSYS FLUENT para simular a evolução das distribuições de temperatura na secção transversal. Foi ainda desenvolvido um modelo analítico para determinar a evolução das deformações das vigas. Palavras-chave: Materiais compósitos, resistência ao fogo, campanha experimental, simulação numérica, modelo analítico.

How to cite this publication

Tânia Morgado, João R. Correia, Nuno Silvestre, Fernando A. Branco (2016). Resistencia al fuego de perfiles pultruídos de polímero reforzado con fibras de vidrio (GFRP) para aplicaciones en rehabilitación: Estudio experimental, numérico y analítico. Revista ALCONPAT, 6(2), pp. 157-171, DOI: 10.21041/ra.v6i2.136.

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Publication Details

Type

Article

Year

2016

Authors

4

Datasets

0

Total Files

0

Language

Spanish; Castilian

Journal

Revista ALCONPAT

DOI

10.21041/ra.v6i2.136

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