BS 2750-5:1980
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Measurement of sound insulation in buildings and of building elements Field measurements of airborne sound insulation of facade elements and facades
Hardcopy , PDF
English
30-06-1980
15-10-1998
National foreword
Cooperating organizations
Method
0. Introduction
1. Scope and field of application
2. References
3. Measurement with traffic noise
4. Measurement with loudspeaker noise
Annexes
A. Area S of test specimen
B. Example of a test procedure for measurements with
traffic noise
C. Open-closed method
D. Example of a test procedure for measurements with
loudspeaker noise
E. Position of loudspeaker
Figure
Position of loudspeaker relative to test specimen
Table
Correction to sound pressure level readings
Applies to the sound insulation of a building facade with respect to external noise such as traffic noise. The sound source for the steady state 1/3 octave band filtered level difference can be either the existing traffic noise or noise from a loudspeaker. The results, expressed as either sound reduction index or standardized level difference can be used to determine whether facades have met acoustic specifications. Method mainly intended to measure noise reduction efficiency of double glazing.
| Committee |
EH/1
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 140-5:1998 | Identical |
| ISO 140-5:1978 | Identical |
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