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¨ Particularidades del diseño de la losa en la optimización de entrepisos compuestos acero - hormigón en situación de incendio¨

Authors: Larrúa Quevedo, Rafael.; Larrúa Pardo, Yisel.; Pardo Gonzalez, Mavel.; Gómez Céspedes, Kader.;

¨ Particularidades del diseño de la losa en la optimización de entrepisos compuestos acero - hormigón en situación de incendio¨

Abstract

El diseño de estructuras compuestas en situación de incendio genera un número significativo de posibles soluciones, es por ello que el diseño óptimo de estructuras (DOE) adquiere relevancia para encontrar el mejor candidato entre una colección de alternativas, sin tener que evaluar explícitamente todas. En el trabajo se evalúan los resultados de utilizar un planteamiento analítico de la restricción de momento flector positivo, en lugar del método tabular del EN 1992-1-2; este último tiene como centro la consideración de valores mínimos de las alturas y del recubrimiento mecánico del acero en zonas de momentos positivos. A tales efectos se concibe un experimento numérico factorial multinivel 2 x 3 x 5 y se consideran como variables independientes el % de redistribución de momentos flectores; las restricciones consideradas en la región de momentos positivos de la losa en situación de incendio y la exigencia de resistencia al fuego. Se concluye que no es recomendable verificar la restricción de momento flector positivo en la losa en incendio utilizando únicamente los valores de recubrimiento mecánico mínimo recomendados por el método tabular de EN 1992-1-2 y que es más apropiado utilizar solamente el planteamiento analítico de la restricción de momento flector positivo, por conducir a valores racionales y seguros.

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This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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