摘要
介绍《铁路声屏障声学构件》(TB/T 3122-2019)主要修订情况,与《铁路声屏障声学构件技术要求和测试方法》(TB/T 3122-2010)对照,主要修改了声学性能要求、防火性能、防腐性能要求与检验方法;增加了声屏障声学构件的防水性能和有机合成透明板声学构件的性能保留率要求与检测方法。
The main revisions of Acoustic elements of railway sound barrier(TB/T 3122-2019)are introduced.Compared with Technique requirements and measurement of acoustic elements of railway sound barrier(TB/T 3122-2010),the requirements for acoustic performance,the requirements and test methods for fire performance and anti-corrosion performance are mainly modified.The requirements and test methods for waterproof performance of acoustic components of sound barrier and the performance retention rate of acoustic components of organic synthetic transparent plate are added.
作者
尹皓
吕冬梅
YIN Hao;LV Dongmei(Energy Saving&Environmental Protection&Occupational Safety and Health Research Institute,China Academy of Railway Sciences Co.,Ltd.,Beijing 100081,China)
出处
《铁路节能环保与安全卫生》
2021年第6期25-28,共4页
Railway Energy Saving & Environmental Protection & Occupational Safety and Health
基金
中国铁道科学研究院集团有限公司科研开发基金项目(2019YJ161)。
关键词
铁路
声屏障
声学构件
标准修订
Railway
Sound barrier
Acoustic elements
Standard revision
