This section outlines a laboratory procedure for evaluating the acoustic sound insulation performance of building elements. The primary components covered include walls, floors, doors, windows, exterior building parts, and facades. However, it does not apply to small-sized components, which are addressed in GB/T 19889.10. The results from these measurements can be used to guide the design of building elements with optimal sound insulation characteristics. They also serve as a basis for comparing the sound insulation capabilities of different materials and systems, and can help classify building components based on their acoustic performance. Additionally, the test setup is designed to minimize lateral sound transmission, ensuring that the measured values accurately reflect the direct sound insulation properties of the tested elements. This method provides a reliable and standardized approach for assessing acoustic performance in controlled environments, making it an essential tool for architects, engineers, and researchers involved in building acoustics.
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