Standard No.:	GB/T 19889.4-2005
English Name:	Acoustics. Measurements of sound insulation in buildings and of building elements. Part 4: Field measurements of airborne sound insulation between rooms
Chinese Name:	声学 建筑和建筑构件隔声测量 第4部分：房间之间空气声隔声的现场测量
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:	2005-09-09
Implemented on:	2006-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	9500 words
Price(USD):	514.00
Delivery:	via email in 1~3 business day

GB/T19889的本部分规定了两房间之间在扩散声场条件下内墙、楼板和门空气声隔声性能的现场测量方法，以及提供给房屋使用者确定的隔声效果的方法。此方法给出随频率变化的空气声隔声量。运用GB/T 50121，可以把隔声量转化为表征声学特性的单值评价量。测量结果可用于比较房间之间的隔声性能，以及将实际隔声量与规定的要求作比较。