摘要
为得到地板结构的传递特性,对其振动传递率和声辐射效率进行了测量和数值分析。对底板与胶合板间采用软橡胶、硬橡胶或者木材支承进行研究的结果表明,采用软橡胶支承的声-振特性似乎要略好一些,或者更确切地说,这三者类似。
Measurement and numerical analysis are made for the vibration transmission ratio and sound radiation efficiency in order to obtain the transmission characteristics of the floor structures. The soft rubber, hard rubber or wooden support applied between the bottom plate and the plywood is researched, and the result shows that the vibro-acoustic characteristics of the soft rubber support seem to be a little bit better, or more accurately, the three supports are similar.
出处
《国外铁道车辆》
2015年第5期41-45,共5页
Foreign Rolling Stock
关键词
铁道车辆
地板结构
声-振传递
rolling stock
floor structure
sound and vibration transmission
