COMPARAÇÃO DE MÉTODOS ANALÍTICOS PARA PREDIÇÃO DA ATENUAÇÃO SONORA POR BARREIRAS ACÚSTICAS

Lis Silva de Moura, Elton Prestes de Souza, Orlando Sá, Alexandre Mesquita
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引用次数: 0

Abstract

. In situations of excessive road or railway noise that affect nearby residents, noise mitigation measures should be taken. These measures can be implemented at the source, along the transmission path or at the receiver. One common mitigation measure along the transmission path is the use of acoustic barriers. Several methodologies for calculating the sound attenuation due to acoustic barriers can be found in the literature, ranging from numerical methods to analytical models with varying complexities. Analytical methods include more complex methods used in models by different countries, as well as simplified methods that serve as a first estimate of the attenuation of the acoustic barrier. In this study, we compare the analytical methods of Kurze and Anderson (1971), Maekawa (1968), and Salomons (1996).
用声屏障预测声衰减的分析方法比较
. 在道路或铁路噪音过大,影响附近居民的情况下,应采取纾缓噪音措施。这些措施可以在源端、沿传输路径或在接收端实施。沿传输路径的一种常见缓解措施是使用隔音屏障。在文献中可以找到几种计算由于声障引起的声衰减的方法,从数值方法到具有不同复杂性的分析模型。分析方法包括不同国家在模型中使用的更复杂的方法,以及作为声障衰减的初步估计的简化方法。在本研究中,我们比较了Kurze和Anderson(1971)、Maekawa(1968)和Salomons(1996)的分析方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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