Research Article

Determining Effects of Wagon Mass and Vehicle Velocity on Vertical Vibrations of a Rail Vehicle Moving with a Constant Acceleration on a Bridge Using Experimental and Numerical Methods

Table 1

Comparing of 1 : 5 scaled roller rig approaches [30].

Scaling factorsJaschinskiPascalIwnickiJaschinski modified

length5555
time5515
velocity5155
acceleration11/551
mass12512512575
force1252562575
density1110.6
elastic module1113
weight12512512575
stiffness25512515
creep force1252562575
damper25525125255
torsion damper6251253125375
torsion stiffness625562531256255
inertia3125312531251875
friction1111