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BS EN 16272-3-2:2023 – TC

BS EN 16272-3-2:2023 – TC

$134.27

Tracked Changes. 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 49
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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
1 30481607
27 A-30443387
28 undefined
34 1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
35 3.2 Symbols and abbreviated terms
36 4 Normalized railway noise spectrum for direct sound field applications
5 Single-number rating of sound reflection index DLRI
37 6 Single-number rating of sound insulation index DLSI
6.1 General
6.2 Acoustic elements
38 6.3 Posts
6.4 Global
39 7 Single-number ratings of diffraction index difference DLΔDI
7.1 General
7.2 Single-number rating of diffraction index difference DLΔDI,refl
40 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
42 Annex A (informative)Guidance note on use of the single-number rating of sound reflection index DLRI
43 Annex B (informative)Guidance note on use of the single-number rating of sound insulation index DLSI
44 Annex C (informative)Guidance note on use of the single-number rating of diffraction index difference DLΔDI
45 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
46 D.4 Measurement uncertainty based upon reproducibility data for DLΔDI

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BS EN 16272-3-2:2023 - TC
$134.27