15/30321297 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN 1793-1 - ROAD TRAFFIC NOISE REDUCING DEVICES - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 1: INTRINSIC CHARACTERISTICS OF SOUND ABSORPTION UNDER DIFFUSE SOUND FIELD CONDITIONS
Hardcopy , PDF
04-30-2017
English
Foreword
Introduction
1 Scope
2 Normative references
3 Symbols
4 Test arrangement
5 Test procedure and evaluation
6 Test report
Annex A (informative) - Guidance note on use of
the single number rating DL(alpha)
Annex B (informative) - Measurement uncertainty
Annex C (informative) - Example test report
Bibliography
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