Research Article

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

Table 3

The calculation cases.

Case

11.4 × 26.7 kN = 37.4 kN0
21.4 × 26.7 kN = 37.4 kN0.15
31.4 × (19.1~37.9 kN) = 26.7~53.1 kN 0.15