Research Article

Research on Simplified Calculation Method of Coupled Vibration of Vehicle-Bridge System

Table 2

Vehicle parameters.

Main parametersValue

Distance of wheel sets (m)2.5
Distance of bogies (m)18
Length of each car (m)26.3
Wheel set mass (kg)2200
Bogie mass (kg)3400
Bogie Z-inertia (kg·m2)6800
Car body mass (kg)42400
Car body Z-inertia (kg·m2)2740000
Primary suspension z-damp/side (kN-s/m)40
Secondary suspension z-damp/side (kN-s/m)45
Primary suspension z-spring/side (MN/m)1.04
Secondary suspension z-spring/side (MN/m)0.4