12/30250628 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 16272-3-2 - 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
Hardcopy , PDF
31-07-2014
English
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
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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