Comparative study of fire resistance and acoustic performance of ceramic brick walls in concern to NBR 15575 in residential buildings in Brazil

Sérgio Klippel-Filho; Gustavo Luis Prager; Paulo Eduardo Mezzomo da Silva; Fabrício Longhi Bolina; Bernardo Fonseca Tutikian

doi:10.15446/dyna.v85n204.65586

Publicado

2018-01-01

Comparative study of fire resistance and acoustic performance of ceramic brick walls in concern to NBR 15575 in residential buildings in Brazil

Estudio comparativo de resistencia al fuego y desempeño acústico de paredes en bloques cerámicos en cuestión de NBR 15575 en edificios residenciales de Brasil

DOI:

https://doi.org/10.15446/dyna.v85n204.65586

Palabras clave:

laboratory test, vertical sealing systems, acoustic performance, fire resistance, ABNT NBR 15575-4, 2014 (en)
ensayos de laboratorio, sistema de aislamiento vertical, desempeño acústico, resistencia al fuego, ABNT NBR 15575-4, 2014 (es)

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Autores/as

Sérgio Klippel-Filho Universidade do Vale do Rio dos Sinos https://orcid.org/0000-0001-5831-6719
Gustavo Luis Prager Universidade do Vale do Rio dos Sinos https://orcid.org/0000-0001-9917-3144
Paulo Eduardo Mezzomo da Silva Universidade do Vale do Rio dos Sinos https://orcid.org/0000-0002-9437-2141
Fabrício Longhi Bolina Universidade do Vale do Rio dos Sinos https://orcid.org/0000-0002-0495-099X
Bernardo Fonseca Tutikian Universidade do Vale do Rio dos Sinos https://orcid.org/0000-0003-1319-0547

Resumen (en)
Resumen (es)

After the publication of NBR 15575 (ABNT, 2013) standard, it became necessary that the constructive systems used in residential buildings go through verification processes concerning the performance requirements. Considering the security requirements, it is necessary to evaluate the fire resistance of vertical sealing systems. Within the scope of habitability, the standard specifies that these systems must have an adequate acoustic performance. Regarding this scenario, this study has the purpose of evaluate the performance of two non-structural vertical sealing systems in ceramic bricks by comparing two different layouts of horizontal air gaps. Therefore, laboratory tests were performed, following the prescriptions of NBR 10636 (ABNT, 1989) and ISO 10140-2 (ISO, 2010). It was verified that the system with higher air gaps number had a better performance on fire resistance, and that the acoustic performance was very similar between the two systems.

Con la publicación de la norma NBR 15575 (ABNT, 2013), ha sido necesario que los sistemas constructivos utilizados en edificios residenciales se sometiesen a ensayos para el cumplimiento de los requisitos de desempeño. En el ámbito de los requisitos de seguridad solicitados por la norma, existe la necesidad de la evaluación de la resistencia al fuego de los sistemas de aislamiento vertical. Dentro de la habitabilidad, la norma recomienda que estos sistemas tienen un desempeño acústico adecuado. Dentro de este escenario, el objetivo de este trabajo es evaluar el desempeño acústico de dos sistemas de pared compuestos por diferentes tipos de bloques cerámicos con agujeros horizontales. Para este análisis, fueron realizados ensayos de laboratorio de acuerdo con las normas NBR 10636 (ABNT, 1989) y ISO 10140-2 (ISO, 2010). Se verificó que el sistema con mayor densidad presentó desempeño sensiblemente mejor acerca la resistencia al fuego, con desempeño prácticamente idéntico en el análisis del aislamiento acústico.

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Citas

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