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BS EN ISO 15186-2:2010

Current

Current

The latest, up-to-date edition.

Acoustics. Measurement of sound insulation in buildings and of building elements using sound intensity Field measurements

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-11-2010

£186.00
Excluding VAT

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Instrumentation
5 Test arrangement
6 Test procedure
7 Expression of results
8 Test report
Annex A (normative) - Adaptation term K[c]
Annex B (informative) - Estimated precision and bias of the
                        method
Annex C (informative) - Measurement and the effect of flanking
                        transmission
Bibliography

Defines a sound intensity method to determine the in-situ sound insulation of walls, floors, doors, windows and small building elements.

Committee
EH/1/6
DevelopmentNote
Renumbers & supersedes BS ISO 15186-2. 2010 version incorporates corrigendum to BS ISO 15186-2. Supersedes 01/565200 DC. (11/2010)
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Current
Supersedes

1.1 General

This part of ISO15186 specifies a sound intensity method to determine the in-situ sound insulation of walls, floors, doors, windows and small building elements. It is intended for measurements that have to be made in the presence of flanking transmission. It can be used to provide sound power data for diagnostic analysis of flanking transmission or to measure flanking sound insulation parameters.

This part of ISO15186 can be used by laboratories that could not satisfy the requirements of ISO15186-1, which deals with laboratory measurements with no or little flanking transmission. ISO15186-3 deals with measurements under laboratory conditions, at low frequencies.

This part of ISO15186 also describes the effect of flanking transmission on measurements made using the specified method, and how intensity measurements can be used

  • to compare the in-situ sound insulation of a building element with laboratory measurements where flanking has been suppressed (i.e. ISO140-3),

  • to rank the partial contributions for building elements, and

  • to measure the flanking sound reduction index for one or more transmission paths (for validation of prediction models such as those given in EN12354-1).

This method gives values for airborne sound insulation, which are frequency dependent. They can be converted into a single number, characterizing the acoustic performance, by application of ISO717-1.

1.2 Precision

The reproducibility of this intensity method is estimated to be equal to or better than that of the methods of ISO140-10 and ISO140-4, when measuring a single small and large building element, respectively.

NOTE1 If sound reduction measures made using this method are to be compared with those made using the conventional reverberation room method in various parts of ISO140, then it will be necessary to introduce an adaptation term that reflects the bias between the test methods. This term is given in Annex A.

NOTE2 Some information about the accuracy for this part of ISO15186 and its relationship to the sound reduction index measured according to ISO140-3 and ISO140-4 is given in Annex B.

NOTE3 Flanking transmission is discussed in Annex C.

Standards Relationship
EN ISO 15186-2:2010 Identical
ISO 15186-2:2003 Identical

ISO 140-10:1991 Acoustics Measurement of sound insulation in buildings and of building elements Part 10: Laboratory measurement of airborne sound insulation of small building elements
ISO 9614-1:1993 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
IEC 60942:2003 Electroacoustics - Sound calibrators
IEC 61043:1993 Electroacoustics - Instruments for the measurement of sound intensity - Measurements with pairs of pressure sensing microphones
ISO 140-3:1995 Acoustics — Measurement of sound insulation in buildings and of building elements — Part 3: Laboratory measurements of airborne sound insulation of building elements
ISO 9614-2:1996 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning
EN 12354-1:2000 Building Acoustics - Estimation of acoustic performance of buildings from the performance of elements - Part 1: Airborne sound insulation between rooms
ISO 140-1:1997 Acoustics Measurement of sound insulation in buildings and of building elements Part 1: Requirements for laboratory test facilities with suppressed flanking transmission
ISO 140-4:1998 Acoustics Measurement of sound insulation in buildings and of building elements Part 4: Field measurements of airborne sound insulation between rooms
ISO 9614-3:2002 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 3: Precision method for measurement by scanning
ISO 717-1:2013 Acoustics Rating of sound insulation in buildings and of building elements Part 1: Airborne sound insulation

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