I.S. EN 12354-3:2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BUILDING ACOUSTICS - ESTIMATION OF ACOUSTIC PERFORMANCE OF BUILDINGS FROM THE PERFORMANCE OF ELEMENTS - PART 3: AIRBORNE SOUND INSULATION AGAINST OUTDOOR SOUND
Hardcopy , PDF
03-09-2017
English
01-01-2000
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.
Foreword
1 Scope
2 Normative references
3 Relevant quantities
3.1 Quantities to express building performance
3.1.1 Apparent sound reduction index
R'[45 degrees]
3.1.2 Apparent sound reduction index
R'[tr,s]
3.1.3 Standardized level difference
D[2m,nT]
3.1.4 Normalized level difference
D[2m,n]
3.1.5 Relations between quantities
3.2 Quantities to express element performance
3.2.1 Sound reduction index R
3.2.2 Element normalized level difference
D[n,e]
3.2.3 Other relevant data
3.3 Other terms and quantities
4 Calculation models
4.1 General principles
4.2 Determination of direct transmission from
acoustic data on elements
4.2.1 Small elements
4.2.2 Other elements
4.3 Determination of flanking transmission
4.4 Interpretations
4.5 Limitations
5 Accuracy
Annex A (normative) List of symbols
Annex B (informative) Determination of transmission
by elements from composing parts
Annex C (informative) Influence of facade shape
Annex D (informative) Sound reduction index of elements
Annex E (informative) Estimation of indoor sound levels
Annex F (informative) Calculation examples
Bibliography
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