Measurements and prediction of road traffic noise along high-rise building façades in Athens

IF 1.7 Q2 ACOUSTICS
A. Sotiropoulou, Ioannis Karagiannis, E. Vougioukas, A. Ballis, Aspasia Bouki
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引用次数: 8

Abstract

Abstract Constant exposure to traffic noise pollution can have significant impact on human health and well being. Occupants of high-rise buildings along noisy traffic arteries are severely affected. In an attempt to contribute to noise protection design of prospective high-rise buildings, traffic noise measurements and prediction using the CRTN (calculation of road traffic noise) model, were made along the façade of a high-rise building in central Athens. The aim was to test the accuracy of this model in predicting the vertical distribution (mapping) of traffic noise along such building façades, under the local urban characteristics of the Mediterranean capital. The predicted and measured noise levels were found to be highly coherent with each other, and their vertical distribution pattern, by and large, confirmed findings from earlier studies. Nevertheless, the predicted values had a tendency of underestimation, with a mean difference −2.2 dB(A) with reference to measured values. It is considered that this underestimation is associated mainly with a newly proposed feature of urban morphology, namely (local) geo-morphology. By and large, it can be inferred that the CRTN model is a useful tool, suitable for the prediction of traffic noise along high-rise building façades during their planning and design stage. The results represent a further step towards more general application of this model, as well as a contribution to the use of this model considering a wider number of urban features.
雅典市高层建筑周边道路交通噪声的测量与预测
持续暴露在交通噪声污染中会对人体健康和福祉产生重大影响。在嘈杂的交通要道附近居住的高层建筑受到严重影响。为了对未来高层建筑的噪声保护设计做出贡献,利用CRTN(道路交通噪声计算)模型对雅典市中心一座高层建筑的正面进行了交通噪声测量和预测。目的是测试该模型在预测交通噪音沿建筑立面垂直分布(绘图)的准确性,并在地中海首都的当地城市特征下进行。研究发现,预测和测量的噪音水平彼此高度一致,它们的垂直分布模式总体上证实了早期研究的发现。然而,预测值有低估的趋势,与实测值的平均差值为- 2.2 dB(a)。人们认为,这种低估主要与新提出的城市形态特征有关,即(局部)地理形态。综上所述,CRTN模型是一个有用的工具,适用于高层建筑立面规划设计阶段的交通噪声预测。研究结果表明,该模型朝着更广泛的应用又迈进了一步,同时也为该模型在考虑更多城市特征的情况下的应用做出了贡献。
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来源期刊
Noise Mapping
Noise Mapping ACOUSTICS-
CiteScore
7.80
自引率
17.90%
发文量
5
审稿时长
12 weeks
期刊介绍: Ever since its inception, Noise Mapping has been offering fast and comprehensive peer-review, while featuring prominent researchers among its Advisory Board. As a result, the journal is set to acquire a growing reputation as the main publication in the field of noise mapping, thus leading to a significant Impact Factor. The journal aims to promote and disseminate knowledge on noise mapping through the publication of high quality peer-reviewed papers focusing on the following aspects: noise mapping and noise action plans: case studies; models and algorithms for source characterization and outdoor sound propagation: proposals, applications, comparisons, round robin tests; local, national and international policies and good practices for noise mapping, planning, management and control; evaluation of noise mitigation actions; evaluation of environmental noise exposure; actions and communications to increase public awareness of environmental noise issues; outdoor soundscape studies and mapping; classification, evaluation and preservation of quiet areas.
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