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EVS-EN 16272-6:2023

Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - Airborne sound insulation under direct sound field conditions

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Kehtiv alates 15.12.2023
Alusdokumendid
EN 16272-6:2023
Tegevusala (ICS grupid)
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Staatus
Kuupäev
Tüüp
Nimetus
15.12.2023
Põhitekst
09.12.2014
Põhitekst
This document describes a test method for measuring a quantity representative of the intrinsic characteristics of airborne sound insulation for rail noise barriers and related devices: the sound insulation index.
The test method is intended for the following applications:
-  determination of the intrinsic characteristics of airborne sound insulation of noise barriers and related devices to be installed along railways, to be measured either on typical installations alongside railways or in laboratory conditions;
-  determination of the intrinsic characteristics of airborne sound insulation of noise barriers and related 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 barriers and related devices (with a repeated application of the method);
-  interactive design process of new products, including the formulation of installation manuals.
The test method is not intended for the determination of the intrinsic characteristics of airborne sound insulation of noise barriers and related devices to be installed in reverberant conditions, e.g. inside tunnels or deep trenches or under covers.
Results are expressed as a function of frequency in one-third octave bands, where possible, between 100 Hz and 5 kHz. If it is not possible to get valid measurement results over the whole frequency range indicated, the results need to be given in a restricted frequency range and the reasons for the restriction(s) need to be clearly reported.
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