GB/T 19889.1-2005 English PDF (GBT19889.1-2005)

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GB/T 19889.1-2005: Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 1: Requirements for laboratory test facilities with suppressed flanking transmission
GB/T 19889.1-2005
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 91.120.30
A 59
GB/T 19889.1-2005 / 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 140-1:1997, IDT)
ISSUED ON: SEPTEMBER 09, 2005
IMPLEMENTED ON: APRIL 01, 2006
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References ... 5
3 Laboratory Test Facilities for Airborne Sound Insulation Measurements under Diffuse
Field Conditions ... 5
3.1 Rooms ... 6
3.2 Test opening ... 7
4 Laboratory Test Facilities for Impact Sound Insulation Measurements of Floors and
Floor Coverings ... 9
4.1 Receiving room ... 9
4.2 Test opening ... 9
Annex A (Normative) Estimation of the Maximum Achievable Sound Reduction Index
... 11
A.1 General ... 11
A.2 Representative constructions ... 11
A.2.1 Walls ... 12
A.2.2 Floors... 12
Annex B (Normative) Measurement of the Sound Reduction Index of the Filler Wall
(and Any Flanking Construction) for Test Openings for Windows and Glazings ... 14
B.1 General ... 14
B.2 Recommended method ... 14
B.3 Alternative method ... 14
B.4 Expression of results ... 14
Annex C (Informative) Test Opening for the Measurement of the Sound Insulation of
Glazing ... 16
Annex D (Normative) Specific Requirements on the Frame of the Test Opening for
Lightweight Twin Leaf Partitions ... 18
Bibliography ... 20
Foreword
GB/T 19889 Acoustics – Measurement of Sound Insulation in Buildings and of Building
Elements consists of the following parts:
--- Part 1: Requirements of laboratory test facilities with suppressed flanking transmission;
--- Part 2: Determination, verification and application of precision data;
--- Part 3: Laboratory measurements of airborne sound insulation of building elements;
--- Part 4: Field measurements of airborne sound insulation between rooms;
--- Part 5: Filed measurements of airborne sound insulation of façade elements and facades;
--- Part 6: Laboratory measurements of impact sound insulation of floors;
--- Part 7: Field measurements of impact sound insulation of floors;
--- Part 8: Laboratory measurements of the reduction of transmitted impact noise by floor
coverings on a heavyweight standard floor.
This Part is Part 1 of GB/T 19889.
This Part equivalently adopts 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; and ISO 140-1:1997/Amd 1:2004 Acoustics –
Measurement of Sound Insulation in Buildings and of Building Elements – Part 1: Requirements
for Laboratory Test Facilities with Suppressed Flanking Transmission – Amendment 1: Specific
Requirements on the Frame of the Test Opening for Lightweight Twin Leaf Partitions (English
Version).
Compared with ISO 140-1:1997, the differences of this Part are as follows:
--- This Part deletes the text of “considering the recommended installation hole size of the
test piece, it is appropriate to take the volume of the room as 50m3 to 60m3” from 3.1
NOTE and 4.1 NOTE of ISO 140-1:1997. This is because it is difficult to meet the
conditions of the low-frequency diffuse field in a small room, and the volume of the
existing sound-proof laboratories in China is generally larger than the recommended
value.
--- This Part include the supplement document of ISO 140-1:1997/Amd 1:2004 Acoustics –
Measurement of Sound Insulation in Buildings and of Building Elements – Part 1:
Requirements for Laboratory Test Facilities with Suppressed Flanking Transmission –
Acoustics – Measurement of Sound Insulation in Buildings and
of Building Elements – Part 1: Requirements for Laboratory
Test Facilities with Suppressed Flanking Transmission
1 Scope
This Part lays down specifications concerning laboratory test facilities for sound insulation
measurements of building elements. It applies to laboratory test facilities with suppressed
radiation from flanking elements; and/ or structural isolation between source and receiving
rooms.
2 Normative References
The provisions in following documents become the provisions of this Part of GB/T 19889
through reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach
an agreement based on this Standard are encouraged to study if the latest versions of these
documents are applicable. For undated references, the latest edition of the referenced document
applies.
GB/T 19889.3-2005 Acoustics - Measurement of sound insulation in buildings and of
building elements - Part 3: Laboratory measurements of airborne sound insulation of
building elements (ISO 140-3:1995, IDT)
ISO 140-8:1997 Acoustics - Measurement of sound insulation in buildings and of building
elements – Part 8: Laboratory measurements of the reduction of transmitted impact noise
by floor coverings on a heavyweight standard floor
3 Laboratory Test Facilities for Airborne Sound Insulation
Measurements under Diffuse Field Conditions
The laboratory test facility consists of two adjacent reverberant rooms with a test opening
between them in which the test specimen is inserted.
types B and C, flanking includes paths Ff, Fd, and Df which are all influenced by the mass of
the nominal separating construction. For wall and floor constructions of types B and C, the
additional lining shall be applied to the heavyweight test construction in such a way that only
transmission via path Dd is reduced.
A.2.1 Walls
Type A: Lightweight panels
A two-leaf partition; each leaf should comprise layers of plasterboard or other board material
of similar mass per area (at least 30 kg/m2). The cavity between the leaves shall be at least 200
mm wide and shall· contain mineral wool at least 100 mm thick. The leaves shall be supported
on timber or metal studs and shall not be mechanically connected to each other. The perimeter
of the lightweight panels shall not be rigidly bonded to the permanent structure.
Type B: Lightweight masonry wall
A brick or block wall, plastered on one side, having a mass per unit area of (100 ± 10) kg/m2.
On one side there shall be constructed an independent lining comprising two layers of 12.5 mm
plasterboard supported on a timber or metal stud frame which is not connected to the wall. The
lining shall be on that side of the wall facing that room on which the wall is supported. The
perimeter of the lightweight lining shall not be rigidly bonded to the permanent structure. The
cavity between the wall and the lining shall be at least 50 mm wide and shall contain mineral
wool.
Type C: Heavyweight masonry wall
A brick or block wan; ·plastered on one side, having a mass per unit area of (400 ± 40) kglm2.
On one side there shall be constructed an independent lining comprising two layers of 12.5 mm
plasterboard supported on a timber or metal stud frame which is not connected to the wall. The
cavity between the wall and the lining shall be at least 50 mm wide and shall contain mineral
wool. The lining shall be on that side of the wall facing that room on which the wall is supported.
The perimeter o...