I.S. EN 16272-4:2016
Current
The latest, up-to-date edition.
RAILWAY APPLICATIONS - TRACK - NOISE BARRIERS AND RELATED DEVICES ACTING ON AIRBORNE SOUND PROPAGATION - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 4: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND DIFFRACTION UNDER DIRECT SOUND FIELD
Hardcopy , PDF
English
01-01-2016
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
National Foreword
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Sound diffraction index difference measurements
6 Measurement uncertainty
7 Measuring procedure
8 Test report
Annex A (informative) - Indoor measurements for
product qualification
Annex B (informative) - Measurement uncertainty
Bibliography
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