Standard No.:	GB/T 19889.18-2017
English Name:	Acoustics―Measurement of sound insulation in buildings and of building elements―Part 18:Laboratory measurement of sound generated by rainfall on building elements
Chinese Name:	声学 建筑和建筑构件隔声测量 第18部分：建筑构件雨噪声隔声的实验室测量
Chinese Classification:	A59    Acoustic Measurement
Professional Classification:	GB    National Standard
ICS Classification:	91.120.30 91.120.30    Waterproofing 91.120.30
Issued by:	AQSIQ; SAC
Issued on:	2017-12-29
Implemented on:	2018-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	250.00
Delivery:	via email in 1~3 business day

本部分规定了屋面、屋顶/天花板系统和天窗等建筑构件雨噪声隔声性能的实验室测量方法，本方法中雨噪声由模拟降雨激发建筑构件产生。结果可用于比较不同构件的雨噪声隔声性能，并根据雨噪声隔声性能的要求合理地进行建筑构件的设计。
本部分测量的雨噪声是指雨滴冲击屋盖引起建筑构件振动而向室内辐射的噪声。雨噪声的激励源为水箱控制的模拟降雨，测量实验室的侧向传声是受抑制的。