標準號：DIN EN 14389-1-2008
中文標準名稱：道路交通噪音減弱裝置.長期效能評估用程序.第1部分:聲學特性
英文標準名稱：Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics; English version of DIN EN 14389-1:2008-02
標準類型：Q85
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：Q85
國際標準分類號：93.080.30
引用標準：CEN/TS 1793-5;EN 60721-3-4
適用范圍：This European Standard defines the means for evaluating the acoustic durability of Road Traffic Noise ReducingDevicesIn this European Standard, the sound absorption is characterised by the single-number rating of sound reflectionDLRL) as defined in CEN/TS 1793-5. The airborne sound insulation is characterised by single-number rating ofairborne sound insulation DLsl as defined in CEN/TS 1793-5.