点击图片查看原图
ISO 717-2 吸音测试
ISO 717-2声学建筑和建筑构件的隔声标定第2部分:撞击声隔声
ISO 717-2 Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation
ISO 717-2 Acoustics - Rating of sound insulation in buildings and of building elements - Part 2: Impact sound insulation
ISO 140-8 声学 - 建筑物和建筑构件的隔声测量 - 第8部分:重型标准地板上敷设面层使传递的撞击噪声减低的实验室测量
ISO 140-8 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 8: Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor
ISO 140-8 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 8: Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor
ISO 717-2 / ISO 140-8吸音测试环境
|
环境温度
|
19.4℃
|
相对湿度
|
25.0%
|
|
来源房间空间
|
124 m3
|
接受房间空间
|
90m3
|
|
测试安排说明
|
1.测试样品区域 S，15 m2
2.软浮动板铺设在计算加权标准化冲击声压级别为Ln, w=78dB混凝土地板作为隔音室的浮隔地板，厚度为100mm
3.测试设备为RTA840系统
|
||
等级划分
根据ISO 717-2划分
易朔检测认证中心
TEL: 0592-5056211
Mail: info@ecosafene.com
本文由Ecosafene(易朔)编辑整理，如有疑议请以标准原文为准，如转载、复制、摘编等行为须标明文章来源！
