Research Article
Rail Corrugation Detection of High-Speed Railway Using Wheel Dynamic Responses
Table 2
Parameters of the CRTS II slab track [
13].
| Parameter | Value | Unit |
| Elastic modulus of rail | 2.1 × 1011 | N/m2 | Inertia of rail | 3.217 × 10−5 | m4 | Mass of rail | 60 | kg/m | Stiffness of rail fastener | 6 × 107 | N/m | Damping of rail fastener | 4.77 × 104 | N·s/m | Elastic modulus of slab | 3.9 × 1010 | N/m2 | Inertia of slab | 8.5 × 10−5 | m4 | Mass of slab | 1275 | kg/m | Length of single slab | 6.5 | m | Stiffness of CA mortar | 9 × 108 | N/m | Damping of CA mortar | 8.3 × 104 | N·s/m |
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