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BS EN 16272-2:2023

BS EN 16272-2:2023

$142.49

Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance – Intrinsic characteristics. Airborne sound insulation under diffuse sound field conditions

Published By Publication Date Number of Pages
BSI 2023 24
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This document specifies the laboratory method for measuring the airborne sound insulation performance of railway noise barriers in reverberant conditions. It covers the assessment of the intrinsic performance of noise barriers and related devices acting on airborne sound propagation that can reasonably be assembled inside the testing facility described in EN ISO 10140 2 and EN ISO 10140 4. This method is not intended for the determination of the intrinsic characteristics of airborne sound insulation of noise barriers to be installed on railway in non-reverberant conditions. 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 out of the scope of this document.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
10 3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
11 3.2 Symbols and abbreviations
4 Test arrangement
12 5 Test procedure and evaluation
5.1 Test method
5.2 Expression of results
6 Measurement uncertainty
13 7 Test report
14 Annex A (normative)Measurement uncertainty
A.1 General
A.2 Measurement uncertainty based upon reproducibility data
A.3 Standard deviation of repeatability and reproducibility of the sound reduction index
16 Annex B (normative)Test report template
B.1 Overview
17 B.2 Test object (example)
19 B.3 Test situation (example)
B.3.1 Test rooms and test arrangement
20 B.3.2 Test equipment and test procedures
21 B.3.3 Test conditions
B.4 Test results (example)
22 B.5 Measurement uncertainty (example)

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BS EN 16272-2:2023
$142.49