Integrated road traffic noise mapping in urban Indian context

IF 1.7 Q2 ACOUSTICS Noise Mapping Pub Date : 2020-01-01 DOI:10.1515/noise-2020-0009
Dipeshkumar R. Sonaviya, B. Tandel
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引用次数: 11

Abstract

Abstract Road traffic noise has been recognized as a serious issue that affects the urban regions. Due to urbanization and industrialization, transportation in urban areas has increased. Traffic noise characteristics in cities belonging to a developing country like India are highly varied compared to developed nations because of its heterogeneous conditions. The objective of the research study is to assess noise pollution due to heterogeneous traffic conditions and the impact of horn honking due to un-authorized parked vehicles on the main roadside. Noise mapping has been done using the computer simulation model by taking various noise sources and noise propagation to the receiver point. Traffic volume, vehicular speed, noise levels, road geometry, un-authorized parking, and horn honking were measured on tier-II city roads in Surat, India. The study showed not so significant correlation between traffic volume, road geometry, vehicular speed and equivalent noise due to heterogeneous road traffic conditions. Further, analysis of traffic noise showed that horn honking due to un-authorized parked vehicles contributed an additional up to 11 dB (A), which is quite significant. The prediction models such as U.K’s CoRTN, U.S’s TNM, Germany’s RLS-90 and their modified versions have limited applicability for heterogeneity. Hence, the noise prediction models, which can be used for homogeneous road traffic conditions are not successfully applicable in heterogeneous road traffic conditions. In this research, a new horn honking correction factor is introduced with respect to unauthorized parked vehicles. The horn honking correction values can be integrated into noise model RLS-90, while assessing heterogeneous traffic conditions.
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印度城市背景下的综合道路交通噪声地图
摘要道路交通噪声已被公认为影响城市区域的一个严重问题。由于城市化和工业化,城市地区的交通运输有所增加。与发达国家相比,印度等发展中国家城市的交通噪声特征差异很大,因为其条件参差不齐。研究的目的是评估异质交通条件造成的噪音污染,以及未经授权停放在主要路边的车辆鸣喇叭造成的影响。通过采用各种噪声源和噪声传播到接收点,使用计算机模拟模型进行了噪声映射。在印度苏拉特的二级城市道路上测量了交通量、车速、噪音水平、道路几何形状、未经授权的停车和喇叭声。研究表明,由于道路交通条件的异质性,交通量、道路几何形状、车速和等效噪声之间的相关性不那么显著。此外,对交通噪音的分析表明,未经授权停放的车辆按喇叭造成的额外噪音高达11 dB(A),这是非常显著的。英国的CoRTN、美国的TNM、德国的RLS-90及其修改版本等预测模型对异质性的适用性有限。因此,可以用于同质道路交通条件的噪声预测模型不能成功地应用于异质道路交通条件。在本研究中,针对未经授权停放的车辆,引入了一种新的喇叭鸣音校正系数。喇叭鸣音校正值可以集成到噪声模型RLS-90中,同时评估异质交通条件。
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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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