Analysis of the effects of uneven sound coverage over a facade during a sound insulation test according to the international standard ISO 16283-3

Asensio Rivera, César and Trujillo, José Alberto and Arcas Castro, Guillermo de (2018). Analysis of the effects of uneven sound coverage over a facade during a sound insulation test according to the international standard ISO 16283-3. "Applied Acoustics" (n. 130); pp. 52-62. ISSN 0003-682X. https://doi.org/10.1016/j.apacoust.2017.09.006.

Description

Title: Analysis of the effects of uneven sound coverage over a facade during a sound insulation test according to the international standard ISO 16283-3
Author/s:
  • Asensio Rivera, César
  • Trujillo, José Alberto
  • Arcas Castro, Guillermo de
Item Type: Article
Título de Revista/Publicación: Applied Acoustics
Date: 2018
ISSN: 0003-682X
Subjects:
Freetext Keywords: Acústica Aislamiento acústico ISO 16283-3:2016
Faculty: E.T.S.I. en Topografía, Geodesia y Cartografía (UPM)
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Building regulations worldwide include specific sections on protection against noise and vibrations, making sound insulation of facades an important part of regulations in many countries. Consequently, sound insulation field tests become important, as a way to certify, or check, if a facade complies with the regulatory requirements. The international standard ISO 16283-3:2016 specifies the procedures and methods to describe the sound insulation of a facade, making the loudspeaker method for the whole facade one of the most widely used because of the advantages it has for practitioners. To make the method consistent, the international standard establishes some constraints, trying to minimize the variation of sound pressure level on the facade. This variation is caused by the directivity of the loudspeaker and the distance from the loudspeaker to the facade, causing an uneven sound coverage over the facade. This paper analyzes and quantifies the solitary influence of facade coverage on the sound insulation determinations in relation to the location of the facade elements. In addition to other influences, the specific location of a small air inlet on a facade can alter the results by up to 4 dB, even if the sound coverage complies with the requirements established by the international standard. Finally, an alternative measurement setup is discussed that aims to minimize the negative effect of this phenomenon in an attempt to increase the consistency of the method.

More information

Item ID: 49881
DC Identifier: http://oa.upm.es/49881/
OAI Identifier: oai:oa.upm.es:49881
DOI: 10.1016/j.apacoust.2017.09.006
Deposited by: Memoria Investigacion
Deposited on: 14 Feb 2019 14:28
Last Modified: 14 Feb 2019 14:28
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