| 毛东兴,夏峻峰,洪宗辉.顶部带吸声柱体的微穿孔声屏障的应用研究[J].声学技术,1999,(1):26~29 |
| 顶部带吸声柱体的微穿孔声屏障的应用研究 |
| Study on sound barrier based on microperforated panel structure with top absorbing cylinder |
| 投稿时间：1999-01-01 |
| DOI： |
| 中文关键词: 微穿孔结构 声屏障 高架道路 |
| 英文关键词: microperforated-panel structure sound barrier inner city viaduct |
| 基金项目: |
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| 摘要点击次数: 1326 |
| 全文下载次数: 1428 |
| 中文摘要: |
| 本文应用微穿孔理论,提出了以微穿孔板共振吸声结构为基础的带顶部吸声柱体的新型吸声隔声屏障,对其声学性能进行了细致的研究。并将这种新型声屏障应用于城市高架道路工程中,现场测量表明,其降噪效果在7dB(A)以上。 |
| 英文摘要: |
| In this paper, a new type of sound barrier based on microperforated-panel structure with top absorbing cylinder is presented, and the acoustic property of this barrier is studied in detail both in laboratory and in situ. With the barrier installed on the inner city viaduct, tests show that it could reduce traffic noise by more than 7dB(A) |
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