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BS EN 16272-3-2:2023

BS EN 16272-3-2:2023

$102.76

Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance – Normalized railway noise spectrum and single number ratings for direct sound field applications

Published By Publication Date Number of Pages
BSI 2023 22
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This document specifies a normalized railway noise spectrum for the evaluation and assessment of the acoustic performance of devices designed to reduce airborne railway noise near railways. All noise reducing devices different 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 outside of the scope of this document.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
9 3.2 Symbols and abbreviated terms
10 4 Normalized railway noise spectrum for direct sound field applications
5 Single-number rating of sound reflection index DLRI
11 6 Single-number rating of sound insulation index DLSI
6.1 General
6.2 Acoustic elements
12 6.3 Posts
6.4 Global
13 7 Single-number ratings of diffraction index difference DLΔDI
7.1 General
7.2 Single-number rating of diffraction index difference DLΔDI,refl
14 7.3 Single-number rating of diffraction index difference DLΔDI,abs
7.4 Single-number rating of diffraction index difference DLΔDI,situ
8 Uncertainty of single-number ratings
9 Expression of results
16 Annex A (informative)Guidance note on use of the single-number rating of sound reflection index DLRI
17 Annex B (informative)Guidance note on use of the single-number rating of sound insulation index DLSI
18 Annex C (informative)Guidance note on use of the single-number rating of diffraction index difference DLΔDI
19 Annex D (informative)Measurement uncertainty of the single-number ratings
D.1 General
D.2 Measurement uncertainty based upon reproducibility data for DLRI
D.3 Measurement uncertainty based upon reproducibility data for DLSI
20 D.4 Measurement uncertainty based upon reproducibility data for DLΔDI

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BS EN 16272-3-2:2023
$102.76