一种基于设计元素的区域道路网络交通噪声极限预测方法
Xiaoxia Wang1, Junshan Lin1, Hongjian Liang1
1School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China.
The Journal of the Acoustical Society of America
|January 24, 2025
概括
一种新方法可以预测计划中的道路网络中的交通噪声,使用设计元素,而不仅仅是当前的数据. 这种方法建立了上限噪声,在实验中证明有效,实验中平均差异为1.53dBA.
科学领域:
- 环境工程 环境工程
- 城市规划 城市规划
- 声学 声学 在声学方面
背景情况:
- 现有的交通噪声模型需要实际的交通数据,这限制了它们在计划中的道路网络中的使用.
- 预测新兴基础设施中的噪音对于有效的城市规划和降噪至关重要.
研究的目的:
- 根据设计元素,为计划的道路网络开发区域交通噪音预测方法.
- 建立网络噪声排放的上限.
- 为网络噪声保护战略提供基础.
主要方法:
- 开发了一个模型,预测基本路段,十字路口 (中断/连续) 和区域网络的噪音.
- 推断的交通流速和体积范围从设计元素,尊重道路单位的限制.
- 进行了四场场景实验,以验证预测的准确性.
主要成果:
- 该模型根据设计元素准确预测了网络噪声排放的上限.
- 计算上限和测量最大值之间的平均噪声差异为1.53dBA.
- 在类似的设计条件下,中断交叉路口产生的噪声排放比连续交叉路口的噪声排放高.
结论:
- 拟议的方法适用于在设计约束下预测计划网络中的噪声极限.
- 这些发现为城市噪音保护规划提供了理论和数据驱动的基础.
- 该研究强调了十字路口设计在交通噪音管理中的重要性.
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