Research Article

The Influence of Amplitude- and Frequency-Dependent Stiffness of Rail Pads on the Random Vibration of a Vehicle-Track Coupled System

Table 2

The parameters of the monolithic nonballasted track.

Components of trackParametersMagnitude

Steel railYoung’s modulus /(N⋅m−2)2.06 × 1011
Area moment of inertia /(m4)3.22 × 10−5
The mass in one meter /(kg⋅m−1)60.64

Rail padThe stiffness /(N⋅m−1)Variation with amounts and the frequencies of loads
The damping /(N⋅S⋅m−1)7.5 × 104