Keywords
How to Cite
Abstract
The performance of the buildings has become a growing concern of the builders, considering the demands of the users and the competitiveness of the real estate market; besides the Brazilian norm of performance of residential buildings. As one of these requirements, one can cite the sound insulation of vertical fences, which cause acoustic discomfort when deficient. The objective of the present work is to evaluate the compliance of the internal and external walls in the field concerning the criteria established by the Brazilian performance standard, analyzing the results obtained to the type of component and the total thickness and the coating. For this, data were collected in 15 multi-floor buildings, which used the following components: ceramic brick, ceramic block, concrete block or gypsum block. It was found that only 25% of the components comply with the standard for internal vertical seals. For external vertical seals, only 10% of the evaluated components comply with noise class II criteria and none with noise class III criteria. It was also verified that the concrete block presents a better performance for internal and external walls, due to its more constant behavior in the frequency range of 100 to 3150 Hz. The total and coating thicknesses that corresponded to the best acoustic performance, obtained in the sampling, were also identified.
References
ABNT - ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS. NBR 6120: Cargas para o cálculo de estruturas de edificações. Rio de Janeiro: 1980, 6 p.
ABNT - ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS. NBR 12127: Gesso para a construção civil – determinação das propriedades físicas do pó. Rio de Janeiro: 2017, 6 p.
ABNT - ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS. NBR 15575-4: Edificações habitacionais - desempenho. Parte 4: sistemas de vedações verticais internas e externas. Rio de Janeiro: 2013, 57 p.
BASNER, M. et al. Auditory and non-auditory effects of noise on health. The Lancet, v. 383, n. 9925, p.1325-1332, abr. 2014 doi:http://dx.doi.org/10.1016/S0140-6736(13)61613-X.
HONGISTO, V.; MAKILA, M.; SUOKAS, M. Satisfaction with sound insulation in residential dwellings: the effect of wall construction. Building and Environment, v. 85, p. 309-320, 2015. doi:http://dx.doi.org/10.1016/j.buildenv.2014.12.010.
ISO - INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. ISO 140-4: Acoustics - Measurement of sound insulation in buildings and of building elements. Part 4: Field measurements of airborne sound insulation between rooms. Switzerland: ISO, 1998.
ISO - INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. ISO 140-5: Acoustics - Measurement of sound insulation in buildings and of building elements. Part 5: Field measurements of airborne sound insulation of façade elements and façades. Switzerland: ISO, 1998.
ISO - INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. ISO 717-1: Acoustics - Rating of sound insulation in buildings and of building elements. Part 1: Airborne sound insulation. Switzerland: ISO, 2013.
ISO - INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. ISO 16283-1: Acoustics - Field measurement of sound insulation in buildings and of building elements. Switzerland: ISO, 2014.
KERN, A. P. et al. O processo de implantação de normas de desempenho na construção: um comparativo entre Espanha (CTE) e Brasil (NBR 15575/2013). Gestão e Tecnologia de Projetos, São Paulo, v. 9, n. 1, p. 89-101, jan./jun. 2014. doi:http://dx.doi.org/10.11606/gtp.v9i1.89989
MACHIMBARRENA, M. et al. Uncertainty determination of in situ airborne sound insulation measurements. Applied Acoustics, v. 89, p. 199-210, 2015. doi:http://dx.doi.org/10.1016/j.apacoust.2014.09.018
MATOSKI, A.; RIBEIRO, R.C. Evaluation of the acoustic performance of a modular construction system: Case study. Applied Acoustics, v. 106, p. 105-112, 2016. doi:http://dx.doi.org/10.1016/j.apacoust.2016.01.004
SATO, H. et al. Relationship between sound insulation performance of walls and word intelligibility scores. Applied Acoustics, v.73, n. 1, p. 43-49, jan. 2012. doi:http://dx.doi.org/10.1016/j.apacoust.2011.07.003
SILVA JR., O. J.; SILVA, A. J. C.. Panorama do comportamento acústico em edificações do nordeste brasileiro: resultados de estudos de casos. In: SIMPÓSIO DE ARGAMASSAS E SOLUÇÕES TÉRMICAS DE REVESTIMENTO, 1., 2014, Coimbra. Anais... Coimbra: ITeCons, 2014.
SILVA JR., O. J. et al. Desempenho acústico de divisórias verticais em blocos de gesso: uma avaliação a partir de medições de campo e em laboratório. PARC Pesquisa em Arquitetura e Construção, Campinas, v. 5, n. 2, p. 15-21, 2015. doi:https://doi.org/10.20396/parc.v5i2.8634534
SURIANO, M. T. et al. Ferramenta de apoio à decisão para o controle da poluição sonora urbana. Ciênc. Saúde Coletiva, Rio de Janeiro, v.20, n. 7, p. 43-49, jul. 2015. doi:http://dx.doi.org/10.1590/1413-81232015207.10792014
TALIN, L. C. A. et al. Estudo comparativo entre duas residências na cidade de viçosa, MG: verificação de sustentabilidade na acústica arquitetônica. In: ENCONTRO NACIONAL DE TECNOLOGIA DO AMBIENTE CONSTRUÍDO. 14., 2012, Juiz de Fora. Anais... Porto Alegre: ANTAC, 2012.
VAN RENTERGHEM, T.V. et al. Using natural means to reduce surface transport noise during propagation outdoors. Applied Acoustics, v. 92, p. 86-101, maio 2015. doi:http://dx.doi.org/10.1016/j.apacoust.2015.01.004
I accept that PARC Research in Architecture and Building Construction journal perform, on the original file approved for publication, revisions and modifications in orthoghaphic, grammar and standard issues.
I give to PARC Research in Architecture and Building Construction journal the rights of first publication of the revised version of my paper, licensed under the 'Creative Commons Attribution' license (which allows sharing the work with the recognition of first authorship and publication in this journal).
Downloads
