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handle: 10261/5847
[ES] El aislamiento acústico de elementos constructivos obtenido en obra difiere del aislamiento acústico obtenido en laboratorio, tanto para ruido aéreo como para ruido de impactos. Esto se produce porque el aislamiento acústico de cualquier elemento constructivo, como por ejemplo una pared, está influido por los elementos constructivos conectados a ella, como son tabiques, forjados o fachadas, ya que los elementos constructivos, en presencia del campo acústico vibran y transmiten sus vibraciones al elemento de separación produciendo la transmisión indirecta estructural o también denominada transmisión por flancos. El objeto de esta comunicación es cuantificar la pérdida de aislamiento acústico a ruido aéreo, que se produce en la edificación y que es atribuible a las transmisiones indirectas. En el caso de los edificios estudiados, la pérdida de aislamiento acústico puede variar de 4 a 10 dB.
[EN] The values of noise insulation obtained in field tests differ from the values obtained in laboratory for the same single construction element. This happens for both, airborne and impact sound. This apparent loss of insulation is due to the fact that the insulation provided by any construction element, such as a separating wall, is influenced by all the other separating elements connected to it, like external walls or floors. These elements are excited by the acoustical energy and start vibrating; therefore they transfer their vibrations to the separating wall, provoking what is called the flanking transmission. The aim of this paper is to quantify the loss of insulation that is produced in Spanish dwellinghouses, which is mainly caused by flanking transmissions. In the case of Spanish dwellings, this loss of airborne insulation ranges from 4 to 10 dB.
Edición financiada por el Ministerio de Educación y Ciencia con cargo al "Plan Nacional de I+D+I 2004-2007".
Peer reviewed
Noise insulation, Pérdida de aislamiento, Laboratory tests, Ensayos en obra, Loss of insulation, Aislamiento acústico, Field tests, Flanking transmission, Ensayos de laboratorio, Transmisión por flancos, Ingeniería Civil y de la Construcción, Arquitectura
Noise insulation, Pérdida de aislamiento, Laboratory tests, Ensayos en obra, Loss of insulation, Aislamiento acústico, Field tests, Flanking transmission, Ensayos de laboratorio, Transmisión por flancos, Ingeniería Civil y de la Construcción, Arquitectura
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