GB/T 19889.3-2005 Acoustics - Measurement of sound insulation of buildings and building components - Part 3: Laboratory measurements of airborne sound insulation of building components.pdf

This section specifies a laboratory method for measuring the acoustic sound insulation of building components. The building components here mainly include walls, slabs, doors, windows, building exterior members and building facades, but do not include small-sized components (the measurement methods will be specified in GB/T 19889.10). The results obtained by the measurement can be used to design building components with good sound insulation properties, and can also be used to compare the sound insulation properties of building components, and can also be classified according to the sound insulation properties of building components. Lateral sound transmission from test facilities used in laboratory measurements has been suppressed

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