点击图片查看大图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
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环境温度
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19.4℃
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相对湿度
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25.0%
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来源房间空间
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124 m3
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接受房间空间
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90m3
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测试安排说明
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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
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等级划分
根据ISO 717-2划分
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