高架道路声屏障设计是近几年来道路与铁路建设中的热门话题，尤其在城市道路或高速公路入城段尤显突出。
In the recent years the sound protective screen design of viaduct is a popular topic of road and railway construction, especially for city roads and city entering section of expressway.
声屏障工程是防治铁路噪声影响的有效措施，声学设计是保证声屏障工程降噪效果的重要手段和方法。
Sound barrier engineering is the effective measure to control the impact of railway noise, and acoustics design is the main ways and means to assure the effect of barrier.
并综述了铁路噪声选线设计方面的研究进展，并还深入探讨了铁路噪声的产生机理、降噪技术方法与各种声屏障的设计使用。
The design of noise environmental effect was analysed, and the railroad noise affecting factors, the denoising technical method and sound barrier designing were discussed.
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