UNI EN 16272-3-2 : 2014
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
RAILWAY APPLICATIONS - TRACK - NOISE BARRIERS AND RELATED DEVICES ACTING ON AIRBORNE SOUND PROPAGATION - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 3-2: NORMALIZED RAILWAY NOISE SPECTRUM AND SINGLE NUMBER RATINGS FOR DIRECT FIELD APPLICATIONS
12-20-2023
12-18-2014
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Normalized railway noise spectrum
5 Single-number rating of sound reflection
index DL[RI]
6 Single-number ratings of sound insulation
index DL[SI]
7 Single-number ratings of sound diffraction
index difference DL[deltaDI]
8 Expression of results
Annex A (informative) - Guidance note on use of the
single-number rating of sound
reflection index DL[RI]
Annex B (informative) - Guidance note on use of the
single-number rating of airborne
sound insulation index DL[SI]
Annex C (informative) - Guidance note on use of the
single-number rating of sound diffraction
index difference DL[deltaDI]
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