摘要
利用废旧轮胎与水泥混凝土加压穿孔板两种主体材料研发出一种新型的复合吸声屏障,并从实验和理论上证实了该种声屏障在中、低频段吸声良好,平均吸声系数可达0.62,适合于公路交通噪声降噪需要。最后,对该种声屏障的安装结构进行了介绍。
A novel composite type of sound barrier has been developed by using the re-cycled tyre and cement board stressed and perforated, and through experiments and theory it is validated that its absorbing sound performance is good and its sound absorption eoefficient comes up to 0. 62. So the kind of sound barrier can be used to reduee the road noise. Last, the installation of the sound barrier is introduced.
出处
《公路》
北大核心
2006年第1期114-117,共4页
Highway
关键词
废旧轮胎
水泥混凝土加压穿孔板
新型复合吸声屏障
吸声
re-cycled tyre
stressed and perforated cement concrete board
novel eomposite type of sound barrier
sound absorption
