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.
| | 
 |  | Parameter | Value |  | 
 |  | 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 |  |  | 
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