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Influence of traffic noise from local and surrounding areas on high-rise buildings

机译：来自当地和周边地区对高层建筑的交通噪声的影响

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摘要

Acoustic maps are, generally, calculated according to noise directives that evaluate the noise exposure levels of a population at a reference height of 4 m to provide values that correspond to the first floors of buildings. However, in large cities, the requirements for high-density housing, such as high-rise apartment buildings, make this evaluation incomplete. In this paper, we study noise propagation at different heights in the context of a medium-sized road network, such as that of Milan, Italy. Considering the "vertical housing" development trend for buildings in large cities, evaluation of the exposure of the population to noise at different heights becomes crucial, as residents might be subject to noise annoyances despite their distance from the source.Here, we present the results of noise measurements at three sites at different heights to observe the pattern of the noise profiles. A three-dimensional acoustic simulation reproducing the entire building structure of Milan was developed to estimate the noise levels generated by vehicle traffic sources at different heights. The predicted noise levels were compared with the measured data. In addition, over the entire urban area of Milan, we selected buildings higher than 50 m to analyse the variation of the noise level exposure at different heights. In this way, it could be possible to study this particular behaviour over a large scale. The results of this investigation may help plan and design new high-rise buildings to reduce the exposure of building dwellers to noise. (C) 2020 Elsevier Ltd. All rights reserved.
机译：通常根据噪声指令计算声学图，该噪声指令计算在4米的参考高度处的群体的噪声曝光水平以提供对应于建筑物的第一层的值。然而，在大城市中，高密度住房（如高层公寓楼）的要求使得该评估不完整。在本文中，我们在中型道路网络的背景下研究不同高度的噪声传播，例如米兰，意大利。考虑到大城市建筑物的“垂直住房”发展趋势，对不同高度噪声暴露的评估变得至关重要，因为居民可能会受到噪音烦恼的影响，尽管他们距离源头。的距离，我们展示了结果在不同高度的三个地点的噪声测量以观察噪声分布的图案。开发了一种重现米兰整个建筑结构的三维声学模拟，以估计不同高度的车辆交通源产生的噪声水平。将预测的噪声水平与测量数据进行比较。此外，在米兰的整个城市地区，我们选择高于50米的建筑物分析不同高度噪声水平曝光的变化。通过这种方式，可以在大规模上研究这种特殊行为。该调查的结果可能有助于计划和设计新的高层建筑，以减少建筑物居民的噪音。 （c）2020 elestvier有限公司保留所有权利。

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  • 来源
    《Applied Acoustics》 |2020年第9期|107362.1-107362.12|共12页
  • 作者

    Benocci R.; Bisceglie A.; Angelini F.; Zambon G.;

  • 作者单位

    Univ Milano Bicocca Dept Earth & Environm Sci DISAT Pza Sci 1 I-20126 Milan Italy;

    Univ Milano Bicocca Dept Earth & Environm Sci DISAT Pza Sci 1 I-20126 Milan Italy;

    Univ Milano Bicocca Dept Earth & Environm Sci DISAT Pza Sci 1 I-20126 Milan Italy;

    Univ Milano Bicocca Dept Earth & Environm Sci DISAT Pza Sci 1 I-20126 Milan Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    High-rise building noise annoyance; Vertical distribution of noise in urban areas;

    机译：高层建筑噪音烦恼;城市地区噪声垂直分布;

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