NEN EN 16272-4:2014被替代
Railway Applications - Track - Noise Barriers And Related Devices Acting On Airborne Sound Propagation - Test Method For Determining The Acoustic Performance - Part 4: Intrinsic Characteristics - In Situ Values Of Sound Diffraction Under Direct Sound Field Conditions
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN EN 16272-4:2014
发布时间：2014/6/18 0:00:00
标准类别：Draft
出版单位：Nederlands Normalisatie Instituut
标准页数：30
标准简介
Explains a test method for determining the intrinsic characteristics of sound diffraction of added devices installed on the top of railway noise barriers.
替代本标准的新标准
等同采用的国际标准
PREN 16272-4:2014 - Identical
