Analysis of Predictive Calculation Methods of Airborne Sound Insulation

Naďa Zdražilová; Denisa Donová; Iveta Skotnicova

doi:10.4028/www.scientific.net/AMM.835.573

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 835Analysis of Predictive Calculation Methods of...

Analysis of Predictive Calculation Methods of Airborne Sound Insulation

Abstract:

Acoustic properties of building structures are currently very actual theme with regard to the development of new building and insulating materials, while the methods for estimating the airborne sound reduction index evolve mainly from the second half of the 20^th century. For mutual comparison of selected prediction methods and for determination of their suitability it has been provided a calculation of weighted sound reduction index R_W [dB] from the input parameters of materials identified by laboratory measurements, calculation of weighted apparent sound reduction index R ́_W [dB] and these values were compared with in-situ measurements. The aim of this paper is to determine the most appropriate method to calculate R_W [dB] and R ́_W [dB] values of lightweight building constructions with regard to their practical applicability, accuracy of estimation and complexity of the calculations.

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Periodical:

Applied Mechanics and Materials (Volume 835)

Pages:

573-578

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.835.573

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Online since:

May 2016

Authors:

Naďa Zdražilová, Denisa Donová, Iveta Skotnicova

Keywords:

Airborne Sound Reduction Index, Building Acoustics, Light Weight Wall Structures, Predictive Analysis

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