《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验检疫总局发布中

2、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规范性引用文件···，········

3、················································，··，········，·，····‘··.......·⋯⋯，，⋯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平均声压级的测量······，，······】···甲，···········，·····

6、····，，，，⋯⋯，.········............⋯⋯，..⋯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，··········，··················。··························，·········