减振垫层温频变动力性能对无砟轨道振动特性影响

牛振宇, 刘林芽, 秦佳良, 左志远

Effect of Dynamic Properties of Temperature and Frequency-Dependent Properties of Damping Layer on Vibration Characteristics of Ballastless Track

NIU Zhenyu, LIU Linya, QIN Jialiang, ZUO Zhiyuan

表1 减振垫层FVMP模型参数

Tab.1 FVMP model parameters of damping layer

FVMP 模型参数 取值 40 ℃ 20 ℃ -40 ℃ μ1 7.002 12.198 16.714 η1 8.462 2.959 2.249 μ2 5.897 10.951 43.467 η2 9.344 13.246 4.562 α 0.173 0.118 0.113 β 0.100 0.119 0.259 γ 0.112 0.238 0.443