BS EN 16272-1:2012 - Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Intrinsic characteristics. Sound absorption in the laboratory under diffuse sound field conditions

BS EN 16272-1:2012

Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Intrinsic characteristics. Sound absorption in the laboratory under diffuse sound field conditions

Status : Current, Project Underway   Published : November 2012

Format
PDF

Format
HARDCOPY



This European Standard specifies the laboratory method for measuring the sound absorption of flat noise barriers or flat claddings for retaining walls or tunnels. It covers the assessment of the intrinsic sound absorption performance of noise barriers and related devices acting on airborne sound propagation designed for railways which can reasonably be assembled inside the testing facility described in EN ISO 354. The test method in EN ISO 354, referred to in this European Standard, is strictly valid only for flat absorbers and in particular excludes devices which act as slightly damped resonators. Some devices will depart significantly from these requirements and in these cases care is needed in interpreting the results. All noise reducing devices that differ from noise barriers and related devices acting on airborne sound propagation, e.g. devices for attenuation of ground borne vibration and on board devices are out of the scope of this European Standard. NOTE The test method in EN ISO 354 is based on measurements in a reverberation room where diffuse sound field conditions prevail. As a uniformly applicable method for the determination of the sound absorptive performance of noise reducing devices under free field conditions is still under development, the measurement results according to this European Standard are temporarily considered relevant for application on noise reducing devices in reverberant as well as in free field conditions.




Standard NumberBS EN 16272-1:2012
TitleRailway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Intrinsic characteristics. Sound absorption in the laboratory under diffuse sound field conditions
StatusCurrent, Project Underway
Publication Date30 November 2012
Normative References(Required to achieve compliance to this standard)ISO 354, EN 16272-3-1, EN ISO 354, ENV 13005
Informative References(Provided for Information)FprCEN/TS 16272-5
International RelationshipsEN 16272-1:2012
Draft Superseded By11/30243088 DC
DescriptorsInternal, Acoustic measurement, Acoustics, Railway equipment, Railway vehicles, Testing conditions, Test equipment, Sound intensity, Railways, Wave physics, Noise (environmental) Railway applications
ICS17.140.30
93.100
Title in FrenchApplications ferroviaires. Dispositifs de réduction du bruit. Méthode d'essai pour la détermination des performances acoustiques. Caractéristiques intrinsèques. Absorption acoustique en salle réverbérante dans des conditions de champ acoustique diffus
Title in GermanBahnanwendungen. Oberbau. Lärmschutzwände und verwandte Einrichtungen zur Beeinflussung der Luftschallausbreitung. Prüfverfahren zur Bestimmung der akustischen Eigenschaften. Produktspezifische Merkmale. Schallabsorption (Labormethode) bei diffusen Schallfeldern
CommitteeRAE/2
ISBN978 0 580 74706 9
PublisherBSI
FormatA4
DeliveryYes
Pages18
File Size466 KB
Price£130.00


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