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Influence of Honking on the Road Traffic Noise Generated at Urban Rotaries for Heterogeneous Traffic

机译：振兴对城市旋转道路交通噪声对异构交通的影响

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摘要

This paper presents a study conducted at major rotaries for quantifying the traffic noise levels by considering the vehicle volume and their respective honking as governing parameters for heterogeneous traffic. Traffic volume and traffic noise data was collected using a digital video camera and a class 1 sound level meter, respectively. The traffic noise data was analysed using noise tools for identifying the noise level variation. The data collected was subjected to statistical analysis for light, medium and heavy vehicles, and their contribution towards noise levels is proven to be effective with the forthright fact that, heavy vehicles and their corresponding honking were majorly affecting the equivalent noise level compared to other vehicular proportion. An equivalent noise level [LAeq (dB)] rise of 2 to 6 dB (A) is solely caused by heavy vehicles, which is an important observation to be considered for traffic noise analysis at the rotaries. Based on the obtained results from one of the rotaries, noise prediction model is developed for estimating the LAeq (dB), which is able to predict the noise levels with good precision when validated with the data collected at second rotary intersection for different vehicle volumes.
机译：本文提出了在主要旋转旋转方面进行的研究，用于通过考虑车辆体积及其各自的呼吸来量化交通噪声水平作为异构交通的控制参数。使用数字摄像机和1类声级仪表收集流量和交通噪声数据。使用噪声工具来分析交通噪声数据，用于识别噪声水平变化。收集的数据进行了光，中和重型车辆的统计分析，并证明其对噪声水平的贡献是有效的，即与其他车辆相比，重型车辆及其相应的鸣叫主要影响等同的噪音部分。等效噪声水平[LAEQ（DB）]的升高为2至6dB（a）仅由重型车辆引起，这是在旋转轴上进行交通噪声分析的重要观察。基于来自其中一个旋转的结果，开发了用于估计LAEQ（DB）的噪声预测模型，该LAEQ（DB）能够在验证时通过在不同车辆卷的第二旋转交叉点收集的数据验证时具有良好精度的噪声水平。

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