Research Article

Nonstationary Random Vibration Performance of Train-Bridge Coupling System with Vertical Track Irregularity

Table 3

Sperling index of the vehicles.

Vehicle numberCar bodyBogie
MeanSDMeanSD

10.7510.8581.0811.763
20.6550.8231.0141.948
30.6590.8231.0331.938
40.6820.8691.0141.795