GB/T 45305.2-2025 Active National standards

GB/T 45305.2-2025 Acoustics—Laboratory measurement of sound insulation of building elements—Part 2:Measurement of airborne sound insulation

Publish Date: 2025-08-01 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 45305.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Acoustic metrology

ICS Name: Building acoustics and sound insulation

Publish Date: 2025-08-01

Implement Date: 2026-02-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国声学标准化技术委员会(SAC/TC 17)

Pages: 24 pages

Scope

本文件描述了一种测量建筑构件空气声隔声的实验室方法。这些建筑构件包括：墙体、楼板、门、窗、百叶窗、外墙构件、外墙、玻璃、小建筑构件（如：换气装置、通风口、室外进气口、电气电缆槽，管道穿隔密封系统)和组合构件（如：带有声衬的墙和楼板、吊顶或浮筑楼板）。
本文件适用于建筑构件隔声的测量，测量结果适用于建筑构件隔声性能比较和分级，有助于设计具有一定隔声性能的建筑产品以及估计建成后建筑的现场隔声性能。
本文件的隔声测量在侧向传声受抑制的实验室中进行，在未考虑侧向传声、边界条件和总损耗因子对隔声性能影响的条件下，测量结果不适用于直接表示建筑构件的现场隔声性能。

Development Information

Drafting Units:

同济大学、中国建筑科学研究院有限公司、中国科学院声学研究所、大连理工大学、华南理工大学、清华大学、南京大学、东南大学、建科环能科技有限公司、杭州爱华智能科技有限公司、北京科奥克声学技术有限公司

Drafting Persons:

蒋国荣、莫方朔、谭华、吕亚东、祝培生、赵越喆、燕翔、林杰、陶建成、傅秀章、闫国军、熊文波、茹履京、徐欣

Word Count: 25 Thousand words Pages: 24 pages

Same series standard

GB/T 45305.4-2025 Acoustics—Laboratory measurement of sound insulation of building elements—Part 4:Measurement procedures and requirements

Replace the following standards

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

Referenced Standards

GB/T 19889.2-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2:Determination,verification and application of precision data 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 45305.4-2025 Acoustics—Laboratory measurement of sound insulation of building elements—Part 4:Measurement procedures and requirements ISO 717-1 ISO 10140-1 ISO 10140-5

Adopt standards

ISO 10140-2:2021

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