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Materials 2016, 9(12), 962; doi:10.3390/ma9120962

Acoustic Behavior of Hollow Blocks and Bricks Made of Concrete Doped with Waste-Tire Rubber

1
Engineering Data Mining And Numerical Simulations (EDMANS) Group, Department of Mechanical Engineering, University of La Rioja, 26004 Logroño, La Rioja, Spain
2
Centro de Investigación en Tecnologías Gráficas, Universitat Politècnica de València, 46022 València, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Jorge de Brito
Received: 6 October 2016 / Revised: 21 November 2016 / Accepted: 22 November 2016 / Published: 26 November 2016
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Abstract

In this paper, we investigate the acoustic behaviour of building elements made of concrete doped with waste-tire rubber. Three different mixtures were created, with 0%, 10%, and 20% rubber in their composition. Bricks, lattice joists, and hollow blocks were manufactured with each mixture, and three different cells were built and tested against aerial and impact noise. The values of the global acoustic isolation and the reduction of the sound pressure level of impacts were measured. Results proved that highly doped elements are an excellent option to isolate low frequency sounds, whereas intermediate and standard elements constitute a most interesting option to block middle and high frequency sounds. In both cases, the considerable amount of waste-tire rubber recycled could justify the employment of the doped materials for the sake of the environment. View Full-Text
Keywords: acoustic behaviour; building elements; waste-tire rubber; doped concrete; used tires; circular economy acoustic behaviour; building elements; waste-tire rubber; doped concrete; used tires; circular economy
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fraile-Garcia, E.; Ferreiro-Cabello, J.; Defez, B.; Peris-Fajanes, G. Acoustic Behavior of Hollow Blocks and Bricks Made of Concrete Doped with Waste-Tire Rubber. Materials 2016, 9, 962.

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