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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