轨道交通桥梁减振降噪2019年度研究进展
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U441.3

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国家自然科学基金(51878565)


State-of-the-art review of vibration and noise reduction of rail transit bridges in 2019
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    摘要:

    列车通过高架桥梁时,振动能量通过轨道结构传递到桥面及其他桥梁构件,激发桥梁振动并向空中辐射噪声,这被称为“桥梁结构噪声”。近年来,随着高速铁路和城市轨道交通的迅猛发展,轨道交通桥梁结构噪声预测方法、产生机理及控制措施研究已成为一个热门研究方向。另外,随着桥上声屏障的广泛应用,其降噪性能、振动及二次结构噪声特性研究也成为一个热门研究方向。梳理了近一年来轨道交通桥梁及桥上声屏障的振动噪声相关研究,总结了当前的研究热点,展望了未来的发展趋势。

    Abstract:

    When the train passes through a viaduct bridge, the vibration energy is transmitted to the bridge deck and other bridge components through the track structure, which gives rise to bridge vibration. The vibrating bridge radiates noise into the air, which is known as bridge-borne noise. In recent years, with the rapid development of high-speed railway and urban rail transit, the prediction methods, generation mechanisms and control measures of rail transit bridge-borne noise have become hot research topics. In addition, with the wide application of the sound barriers on bridges, the noise reduction performances, vibration and secondary structure-borne noise characteristics of sound barriers have also become hot research directions. In this paper, the research on vibration and noise of rail transit bridges and sound barriers in the past year is reviewed, the current research hotspots are summarized, and the future development trend is forecasted.

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李小珍,郑净,宋立忠,梁林,朱艳,张迅.轨道交通桥梁减振降噪2019年度研究进展[J].土木与环境工程学报(中英文),2020,42(5):223-234. Li Xiaozhen, Zheng Jing, Song Lizhong, Liang Lin, Zhu Yan, Zhang Xun. State-of-the-art review of vibration and noise reduction of rail transit bridges in 2019[J]. JOURNAL OF CIVIL AND ENVIRONMENTAL ENGINEERING,2020,42(5):223-234.10.11835/j. issn.2096-6717.2020.120

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  • 收稿日期:2020-04-22
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  • 在线发布日期: 2020-11-12
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