Group 1 - The article discusses the implementation of the new national standard "Residential Project Specification" starting May 1, which aims to improve sound insulation performance in residential buildings, aligning with international standards [1][4] - The new standard increases the sound insulation requirements for walls and floors in new residential buildings, specifically enhancing airborne sound insulation and impact sound insulation [4][6] - The article highlights the various sources of noise in residential areas, categorizing them into external noise sources and internal noise generated by activities or equipment within the building [2][4] Group 2 - According to the new standard, the airborne sound insulation performance between bedrooms and adjacent units has been raised from 45 decibels to 50 decibels, while the impact sound insulation performance has been improved from a maximum of 75 decibels to 65 decibels [4][6] - The article emphasizes the importance of professional intervention for sound insulation modifications in existing buildings to avoid compromising structural safety [6][7] - Research teams are actively developing new materials and products to meet the updated standards, including low-cost, high-performance sound insulation solutions that exceed the new requirements by 10 decibels [7]
国际噪声关注日 | 《住宅项目规范》即将施行 如何让居住环境更加静谧？
Yang Guang Wang·2025-04-30 11:47