Research Article
Insights into Underrail Rubber Pad’s Effect on Vehicle-Track-Viaduct System Dynamics
Table 2
Parameters of CRH380A high-speed train.
| Parameters | Values |
| Rated load car body mass (kg) | 42934 | Bogie mass (kg) | 3300 | Wheelset mass (kg) | 1780 | Moment of inertia of car body nodding (kg·m2) | 1.712 × 106 | Bogie nodding moment of inertia (kg·m2) | 1807 | Vertical stiffness of primary suspension (N·m−1) | 1.176 × 106 | Primary suspension damping (N·s/m) | 1.0 × 104 | Secondary suspension stiffness (N·m−1) | 2.4 × 105 | Secondary suspension damping (N·s/m) | 2.0 × 104 | Car length (m) | 25 | Vehicle distance (m) | 17.5 | Fixed wheelbase (m) | 2.5 |
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