Research Article

Vibration Theoretical Analysis of Elastically Connected Multiple Beam System under the Moving Oscillator

Table 3

Material properties and geometric parameters of the beam-rail system.

ParameterValue

Rail
 Elastic modulus
 Line mass
 Moment of inertia
 Density

Track slab
 Line mass
 Density

Bed plate
 Elastic modulus
 Line mass
 Moment of inertia
 Density

Bridge
 Elastic modulus
 Line mass
 Moment of inertia
 Density

Interlayer stiffness
 Stiffness of rail pad and fastener
 Stiffness of the sliding layer
 Stiffness of the rubber pad under the supporting block

Train
 Wheel mass
 Spring stiffness
 Car body mass