Research Article
A Comparative Study on Vertical Dynamic Responses of Three Types of Elevated Railway Tracks Subjected to a Moving Train
Table 4
Modal parameters of train wheel and rail irregularity.
| Parameter | Symbol | Value |
| Wheel mass | | 1350 kg | Axle load | | 200 kN | Wheel/rail contact stiffness | | 2.8 × 109 N/m | Train velocity | | 120 km/h | Rail irregularity wavelength | | 0.552 m | Rail irregularity amplitude | | 50 μm |
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