GB/T 50121-2005
Rating standard of sound insulation in buildings (English Version)

Standard No.

GB/T 50121-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 50121-2005

Replace

GBJ 121-1988

Scope

This standard is formulated for the purpose of evaluating the sound insulation performance of buildings and building components and reasonably determining the sound insulation performance level. This standard is applicable to single value evaluation and performance classification of airborne sound insulation and impact sound insulation of buildings and building components.

GB/T 50121-2005 history

• 2005 GB/T 50121-2005 Rating standard of sound insulation in buildings

GB/T 50121-2005 Rating standard of sound insulation in buildings has been changed from GBJ 121-1988 Building sound insulation evaluation standard.