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Simulación numérica del hormigón reforzado con fibras de acero

Authors: Pros Parés, Alba; Díez, Pedro; Molins i Borrell, Climent;

Simulación numérica del hormigón reforzado con fibras de acero

Abstract

El Hormigón Reforzado con Fibras de Acero (HRFA) es una técnica que consiste en añadir fibras de acero en el hormigón. La forma, las dimensiones, la esbeltez, la orientación y la distribución de las fibras caracterizan el comportamiento del material. Para caracterizar y estudiar el HRFA, se han empleado distintos ensayos: de tracción directa e indirecta y de flexotracción. En esta ponencia se presenta un modelo simplificado para simular el acoplamiento fibra-hormigón mediante el cual es posible tener en cuenta el efecto real de cada una de las fibras individuales. Así, es posible obtener la respuesta resistente teniendo en cuenta el número real de fibras, su orientación y posición. Para poder tener en cuenta la interacción fibra-hormigón, las ecuaciones constitutivas de las fibras se basan en expresiones analíticas dependiendo del ángulo entre cada fibra y la fisura en el hormigón. El hormigón se modeliza considerando un modelo no lineal.

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Spain
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Keywords

Modelización numérica, Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó, ensayos de flexo-tracción, Formigó armat amb fibres d'acer, Método Immersed Boundary, :Enginyeria civil::Materials i estructures::Materials i estructures de formigó [Àrees temàtiques de la UPC], Fiber-reinforced concrete, Modelos no lineales, Hormigón reforzado con fibras de acero, ensayos de pullout, Hormigón en masa

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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