GBT 19889.7-2005 声学 建筑和建筑构件隔声测量 第7部分：楼板撞击声隔声的现场测量

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1、ICS91.120.30A59中华人民共和国国家标准GB/T19889.7-2005八SO140-7:1998声学建筑和建筑构件隔声测量第7部分:楼板撞击声隔声的现场测量Acoustics-Measurementofsoundinsulationinbuildingsandofbuildingelements-Part7:Fieldmeasurementsofimpactsoundinsulationoffloors(ISO140-7:1998,IDT)2005-07-29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国国家标准化管理委员会GB

2、/T19889.7-2005/ISO140-7:1998目次前言·······，，···，······，····，，·，·····..................，····，，，，·········，，，，·············，一I1范围··················，···········，······················，························································⋯⋯12规范性引用文件··············‘····························

3、·····················································⋯⋯13术语和定义··········，·····························································⋯⋯，.······.....⋯⋯14测试设备········································································································⋯⋯25测试方法和计算·····，，·········

4、···········，，·····，·····，····················，，，·········，，·················.⋯⋯25.1通则····························，，··············································································⋯⋯25.2声场的产生········································，·································..····⋯⋯，.

5、..··⋯⋯，⋯35.3撞击声压级测量····，······，·······，，，··········，·。·········。。·，，··········，·‘·。·······!··⋯⋯35.4测量的频率范围······，·················，··································.···········....········.....·····⋯⋯35.5混响时间测量和等效吸声量估算·····，···························....................·.......⋯⋯，⋯45.6

6、背景噪声修正····，，，·····‘···············，······，，，·················..........................................46精密度·.................................................................................................................47结果表达··············································。·····，·······

7、···············，·。。。·，，，··················⋯⋯48测试报告·························，································...·········....·······.....·············⋯⋯，⋯5附录A(规范性附录)标准撞击器的要求·································································⋯⋯6附录B(规范性附录)倍频程测量隔声的方法···，，··，··‘·