浮置板对地铁列车的振动和噪声影响研究

摘要

根据上海地铁2号线西延伸相关的设计要求，针对浮置板轨道结构的特点，介绍了浮置板轨道结构的基本原理及施工要点，施工完成后进行了减振效果现场测试，得出了钢弹簧浮置板轨道结构对车体振动加速度及车内噪声并无明显影响的结论。%According to the design requirements of Shanghai subway No. 2 western extension line, in light of the characteristics of floating slab rail structure, the paper introduces the basic principles and construction points of floating slab rail structure, and tests the vibration reduction effect after the completion, and finds out that ： there is no clear effect of steel elastic floating slab rail structure upon train vibration acceleration speed and internal noise.