點(diǎn)擊圖片查看大圖ISO 717-2 吸音測試
ISO 717-2聲學(xué)建筑和建筑構(gòu)件的隔聲標(biāo)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(xué) - 建筑物和建筑構(gòu)件的隔聲測量 - 第8部分:重型標(biāo)準(zhǔn)地板上敷設(shè)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(huán)境
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環(huán)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(qū)域 S，15 m2
2.軟浮動板鋪設(shè)在計算加權(quán)標(biāo)準(zhǔn)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(shè)備為RTA840系統(tǒng)
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等級劃分
根據(jù)ISO 717-2劃分
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