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Comparison among results of road traffic noise prediction models
Author(s): FAN Dongping, ZHANG Yuhuan, LIU Yunfang, JIANG Yanyun, XU Wenbin
Pages: 2391-
2395
Year: 2013
Issue:
6
Journal: Chinese Journal of Environmental Engineering
Keyword: 公路; 交通噪声; 预测模式; 等效连续声级;
Abstract: 为了分析实际环境影响评价中常用的各种公路交通噪声预测模型预测结果之间存在的差异,并验证各预测方式与实测值之间的相符性,通过对选取的高速公路和市政快速公路采用各种预测模型计算比较,并用实际监测值对各模型预测结果进行验证,结果发现,不同的预测方式会造成预测结果之间昼间4~9 dB、夜间5~10 dB的差异,采用2006版规范计算车速和单车噪声源强,距离衰减考虑车流量大小的预测方式得到的预测结果与实测值最为接近.
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