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Published in: European Journal of Wood and Wood Products 6/2019

15-10-2019 | Brief Original

Loose cork granulates as possible new core element in noise barriers

Authors: Rubén Maderuelo-Sanz, Juan Miguel Barrigón Morillas

Published in: European Journal of Wood and Wood Products | Issue 6/2019

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Abstract

This paper is a first study to evaluate the possible use of loose cork granulates as core element in noise barriers. To obtain the acoustical performance of loose cork granulates inside a noise screen, a small prototype of a noise absorbing barrier was designed and compared to commercial rock wool. The results obtained showed that these kinds of porous absorber, specially sorted and prepared, could be good sound absorbers with a certain broadband absorption spectrum.

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Literature
go back to reference EN 1793-1 (2017) Road traffic noise reduction devices. Test method for determining the acoustic performance. Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions. European Committee for Standardisation. Brussels EN 1793-1 (2017) Road traffic noise reduction devices. Test method for determining the acoustic performance. Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions. European Committee for Standardisation. Brussels
go back to reference ISO 10534-2 (1998) Acoustics-determination of sound absorption coefficient and impedance in impedance tubes. Part 2: transfer function-method. International Organization for Standardization, Geneva ISO 10534-2 (1998) Acoustics-determination of sound absorption coefficient and impedance in impedance tubes. Part 2: transfer function-method. International Organization for Standardization, Geneva
Metadata
Title
Loose cork granulates as possible new core element in noise barriers
Authors
Rubén Maderuelo-Sanz
Juan Miguel Barrigón Morillas
Publication date
15-10-2019
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Wood and Wood Products / Issue 6/2019
Print ISSN: 0018-3768
Electronic ISSN: 1436-736X
DOI
https://doi.org/10.1007/s00107-019-01464-1