Research Article
Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
Table 1
Values of parameters involved in the model.
| Parameters | Values |
| Lumped sprung mass | 7500 kg | Stiffness of primary suspension | 880 kN/m | Damping of primary suspension | 4 kNs/m | Stiffness of fastenings | 22 MN/m | Damping of fastenings | 200 kNs/m | Wheel and rail material | | Young’s modulus | 205.9 GPa | Poisson’s ratio | 0.3 | Density | 7790 kg/m3 | Material of prefabricated slabs | | Young’s modulus | 34.5 GPa | Poisson’s ratio | 0.25 | Density | 2400 kg/m3 | Mortar material | | Young’s modulus | 8 GPa | Poisson’s ratio | 0.2 | Density | 1600 kg/m3 |
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