Norm

NPR-CEN/TS 1793-5:2003 en

Verkeersgeluidbeperkende constructies - Beproevingsmethode voor de bepaling van de akoestische eigenschappen - Deel 5: Intrinsieke eigenschappen - In-situ waarden voor geluidreflectie en luchtgeluidisolatie

  • Deze norm is ingetrokken sinds 11-04-2016

74,30

Over deze norm

Status Ingetrokken
Aantal pagina's 43
Gepubliceerd op 01-05-2003
Taal Engels
The present document describes a test method for measuring two quantities representative of the intrinsic characteristics of traffic noise reducing devices : the reflection index for sound reflection and the sound insulation index for airborne sound insulation. The test method is intended for the following applications : - determination of the intrinsic characteristics of sound reflection and airborne sound insulation of noise reducing devices to be installed along roads, to be measured either in situ or in laboratory conditions ; - determination of the in situ intrinsic characteristics of sound reflection and airborne sound insulation of noise reducing devices in actual use ; - comparison of design specifications with actual performance data after the completion of the construction work ; - verification of the long term performance of noise reducing devices (with a repeated application of the method). The test method can be applied both in situ and on barriers purposely built to be tested using the method described here. In the second case the sample shall be built as follows (see Figure 1) : - a part, composed of acoustic elements, that extends 4 m and is 4 m high ; - a post 4 m high (if applicable for the specific noise reducing device under test) ; - a part, composed of acoustic elements, that extends at least 2 m and is 4 m high.

Details

ICS-code 17.140.30
93.080.30
Nederlandse titel Verkeersgeluidbeperkende constructies - Beproevingsmethode voor de bepaling van de akoestische eigenschappen - Deel 5: Intrinsieke eigenschappen - In-situ waarden voor geluidreflectie en luchtgeluidisolatie
Engelse titel Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection and airborne sound insulation
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