GBT 19889.3-2005 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

《GBT 19889.3-2005 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实施本

2、资料由微信公众号jianzhu118整理持续更新中中华人民共和国国家质量监督检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··································································

3、·············································⋯⋯12规范性引用文件···，························································，··，········，·，····‘··.......·⋯⋯，，⋯13术语和定义·...........................................................................................................14测量设备·····

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

5、············································⋯⋯35.2试件···············，············································，，·············································，··⋯36测试步骤和计算···········‘·························，················，·······，····一，.....··一，·..·⋯⋯，，二56.1声源室声场的产生······

6、···············································....·······......................⋯⋯56.2平均声压级的测量······，，······】···甲，···········，·········，，，，⋯⋯，.········............⋯⋯，..⋯66.3测量频率范围·，···········，·················································································⋯⋯6

7、6.4混响时间测量与吸声量的估算·······································，·········‘·····...·..·........·⋯⋯66.5对背景噪声的修正·..........................···，，········，，···⋯⋯，·····‘二，，，.......·......⋯⋯，⋯77精密度·······························································································

8、·············⋯⋯78结果表述，··········，··················。·········