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Study on Sound Barrier Based on Microperforated-panel Structure for Urban Mass Transit
Author(s): 
Pages: 212-214
Year: Issue:  5
Journal: RAILWAY OCCUPATIONAL SAFETY HEALTH & ENVIRONMENTAL PROTECTION

Keyword:  声屏障微穿孔板城市轨道交通;
Abstract: 研究了适合于城市轨道交通噪声频谱特性的微穿孔板式声屏障,通过计算分析确定了孔径、板厚、穿孔率、腔厚等设计参数,并采用驻波管法进行了吸声系数的试验,验证了吸声效果和共振频率并修正了腔厚,给出了微穿孔板式声屏障的完整设计参数.
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