GB/T 19889.1-2005Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 1: Requirements for laboratory test facilities with suppressed flanking transmission (English PDF)
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine
Level / Type
National · Recommended
Issue date
September 9, 2005
Implementation date
April 1, 2006
Scope
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) is available as an English-translated PDF.
GB/T 19889.1-2005 is the Chinese standard "Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 1: Requirements for laboratory test facilities with suppressed flanking transmission".
Its scope clause reads: 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. Its clauses include laboratory test facilities for airborne sound insulation.
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Document preview — GB/T 19889.1-2005
National Standard of the People's Republic of China
- ICS
- 91.120.30
- Classification
- A 59
Issued by: General Administration of Quality Supervision, Inspection and Quarantine
Contents
- Foreword3
- 1 Scope5
- 2 Normative References5
- Field Conditions5
- 3.1 Rooms6
- 3.2 Test opening7
- Floor Coverings9
- 4.1 Receiving room9
- 4.2 Test opening9
- A.1 General11
- A.2 Representative constructions11
- A.2.1 Walls12
- A.2.2 Floors12
- (and Any Flanking Construction) for Test Openings for Windows and Glazings14
- B.1 General14
- B.2 Recommended method14
- B.3 Alternative method14
- B.4 Expression of results14
- Glazing16
- Lightweight Twin Leaf Partitions18
- Bibliography20
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 of the lightweight lining shall not be rigidly bonded to the permanent structure.
A.2.2 Floors
Type A: Lightweight floor
The lightweight floor can be constructed with the ceiling supported from joists below those which support the floor. The construction details shall be equivalent to the lightweight wall described above.
Type B: Lightweight masonry floor
A masonry base having a mass per unit area of (100 ± 10) kg/m2, sealed on one side with plaster.
A lining comprising two layers of 12.5 mm plasterboard should be suspended below the
GB/T 20247-2006 | GB/T 19890-2005 | GB/T 18696.2-2002 | GB/T 19889.3-2026 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.
Referenced standards
Normative references
GB/T 19889 · ISO 140
Cited by
- GB/T 47259-2026Noise transmission loss test method for aircraft fuselage structures
- GB/T 39796-2021Test method for airbone sound insulating properties of glass used on multipe units
- GB/T 31004.1-2014Acoustics -- Measurement of sound insulation in buildings and of building elements using sound intensity -- Part 1: Laboratory measurements
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Related Standards
GB/T 19889.2-2022 — Acoustics - Measurement of sound insulation in buildings and of building elements - Part 2: Determination and application of measurement uncertainties
GB/T 19889.3-2026 — Acoustics - Field measurement of sound insulation in buildings and of building elements - Part 3: Airborne sound insulation of facade elements and facades
GB/T 19889.7-2022 — Acoustics - Measurement of sound insulation in buildings and of building elements - Part 7: Field measurement of impact sound insulation
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