摘要
采用隔声窗作为典型道路的交通噪声控制措施,探索隔声性能的现场监测方法。分别选取真空玻璃窗与中空玻璃窗进行监测,两种隔声窗对交通噪声1 000 Hz和2 000 Hz两个倍频带的隔声量最大,真空玻璃隔声窗对500 Hz倍频带及以下的噪声比中空玻璃隔声窗更有效,如果采用两种隔声窗进行组合,在全频带的隔声量达到25 dB。
Using sound insulation windows as the traffic noise control measures for typical roads ,the field monitoring method for the sound insulation property is established.The vacuum glazing and insulating glazing are selected for monitoring.The results show that the two kinds of windows are all most effective for 1 000 Hz to 2 000 Hz octave band frequency noise,while the vacuum glazing is more effective than insulating glazing for 1 000 Hz octave band frequency noise below.The sound reduction index to the full band frequency noise can reach 25 dB when using combination of sound insulation windows.
出处
《环境监控与预警》
2014年第2期25-29,共5页
Environmental Monitoring and Forewarning
关键词
隔声窗
中空玻璃
真空玻璃
隔声量
噪声监测
Sound insulation windows
Insulating glazing
Vacuum glazing
Sound reduction index
Noise monitoring
