Comportamiento acústico del hormigón poroso. Caracterización mediante métodos experimentales e inversos

Autores/as

DOI:

https://doi.org/10.3989/mc.2019.03619

Palabras clave:

Hormigón, Agregado, Proporción de Mezcla, Caracterización Acústica, Modelización Acústica

Resumen


El uso de soluciones basadas en hormigón poroso con agregados ligeros se ha vuelto cada vez más común en el ámbito del control de ruido debido a su versatilidad en aplicaciones exteriores e interiores. En este trabajo, se han preparado muestras de hormigón poroso con agregados de arcilla expandida, para estudiar la influencia del tamaño de grano, el espesor y la relación agua / agregado / cemento en la absorción de sonido. Se han utilizado técnicas experimentales para obtener la impedancia superficial y el coeficiente de absorción de sonido. Además de las caracterizaciones experimentales, se ha aplicado un método inverso (basado en un algoritmo genético) para obtener los parámetros macroscópicos capaces de representar los materiales estudiados a través del modelo teórico de Horoshenkov-Swift. Mediante el modelo teórico de Horoshenkhov-Swift, es posible representar estos materiales en modelos numéricos como fluidos equivalentes.

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Citas

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Publicado

2019-12-30

Cómo citar

Pereira, M., Carbajo, J., Godinho, L., Amado-Mendes, P., Mateus, D., & Ramis, J. (2019). Comportamiento acústico del hormigón poroso. Caracterización mediante métodos experimentales e inversos. Materiales De Construcción, 69(336), e202. https://doi.org/10.3989/mc.2019.03619

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