點擊圖片查看大圖ISO 717-2 吸音測試
ISO 717-2聲學建筑和建筑構件的隔聲標定第2部分:撞擊聲隔聲
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 聲學 - 建筑物和建筑構件的隔聲測量 - 第8部分:重型標準地板上敷設面層使傳遞的撞擊噪聲減低的實驗室測量
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吸音測試環境
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環境溫度
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19.4℃
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相對濕度
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25.0%
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來源房間空間
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124 m3
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接受房間空間
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90m3
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測試安排說明
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1.測試樣品區域 S，15 m2
2.軟浮動板鋪設在計算加權標準化沖擊聲壓級別為Ln, w=78dB混凝土地板作為隔音室的浮隔地板，厚度為100mm
3.測試設備為RTA840系統
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等級劃分
根據ISO 717-2劃分
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