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/m^3
Material of prefabricated slabs
Young’s modulus	34.5 GPa
Poisson’s ratio	0.25
Density	2400 kg/m^3
Mortar material
Young’s modulus	8 GPa
Poisson’s ratio	0.2
Density	1600 kg/m^3