Research Article

Dynamic Response of Railway Bridges under Heavy-Haul Freight Trains

Table 1

Parameters of C80 freight car.

ParametersUnitValue

Mass of the car bodykg90297
Mass of the wheel setkg497
Mass of the bogykg1171
Vertical stiffness of primary suspensionMN/m160
Lateral stiffness of primary suspensionMN/m11
Vertical damping of primary suspensionkN·s/m4
Lateral damping of primary suspensionkN·s/m4
Vertical stiffness of secondary suspensionMN/m4.235
Lateral stiffness of secondary suspensionMN/m3.127
Vertical damping of secondary suspensionkN·s/m3
Lateral damping of secondary suspensionkN·s/m3