GBT19889.3-2005 声学 建筑和建筑构件隔声测量 第3部分：建筑构件空气声隔声的实验室测量.pdf

《GBT19889.3-2005 声学 建筑和建筑构件隔声测量 第3部分：建筑构件空气声隔声的实验室测量.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ICS91.120.30A59通a中华人民共和国国家标准GB/T19889.3-2005/ISO140-3:1995声学建筑和建筑构件隔声测量第3部分:建筑构件空气声隔声的实验室测量Acoustics-Measurementofsoundinsulationinbuildingsandofbuildingelements-Part3:Laboratorymeasurementsofairbornesoundinsulationofbuildingelements(ISO140-3:1995,IDT)2005-09-09发布2006-04-01实施中华人民共和国国家质量监督检

2、验检疫总局发布中国国家标准化管理委员会GB/T19889.3-2005/ISO140-3:1995目次前言·········，，···················，，··········，································································........11范围···············································································································⋯⋯12规范性

3、引用文件···，························································，··，········，·，····‘··.......·⋯⋯，，⋯13术语和定义·...........................................................................................................14测量设备······································································

4、··········，·······················.⋯⋯35测试安排·，.......................................················，·······················11················，⋯35.1房间··········································································································⋯⋯35.2试件···············，··········

5、··································，，·············································，··⋯36测试步骤和计算···········‘·························，················，·······，····一，.....··一，·..·⋯⋯，，二56.1声源室声场的产生·····················································....·······......................⋯⋯56.2平均声压级

6、的测量······，，······】···甲，···········，·········，，，，⋯⋯，.········............⋯⋯，..⋯66.3测量频率范围·，···········，·················································································⋯⋯66.4混响时间测量与吸声量的估算·······································，·········‘·····...·..·........·⋯⋯66.5对背景噪声的修正·..

7、........................···，，········，，···⋯⋯，·····‘二，，，.......·......⋯⋯，⋯77精密度···········································································································⋯⋯78结果表述，··········，··················。··························，·········