
Road Traffic Noise Reducing Devices - Test Method for Determining the Acoustic Performance Part 1: Intrinsic Characteristics of Sound Absorption
出版:National Standards Authority of Ireland

专家解读视频
Describes the laboratory method for measuring the sound absorption of flat noise barriers or flat cladding for retaining walls or tunnels. It covers the assessment of the intrinsic sound absorption performance of roadside noise reducing devices that can reasonably be assembled inside the testing facility described in EN ISO 354.
UNE EN 1793-1:1998 - Identical
SN EN 1793-1:2014 - Identical
NF EN 1793-1:2013 - Identical
NBN EN 1793-1:2013 - Identical
NEN EN 1793-1:2012 - Identical
UNE EN 1793-1:2014 - Identical
EN 1793-1:2017 - Identical
BS EN 1793-1:2012 - Identical
SS EN 1793-1 Ed. 2 (2012) - Identical
BS EN 1793-1:2017 - Identical
NS EN 1793-1:2012 - Identical
NBN EN 1793-1:1997 - Identical
ONORM EN 1793-1:2013 - Identical
UNI EN 1793-1:2013 - Identical
SS EN 1793-1 Ed. 3 (2017) - Identical