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 × 10^11	N/m^2
Inertia of rail	3.217 × 10^−5	m^4
Mass of rail	60	kg/m
Stiffness of rail fastener	6 × 10^7	N/m
Damping of rail fastener	4.77 × 10^4	N·s/m
Elastic modulus of slab	3.9 × 10^10	N/m^2
Inertia of slab	8.5 × 10^−5	m^4
Mass of slab	1275	kg/m
Length of single slab	6.5	m
Stiffness of CA mortar	9 × 10^8	N/m
Damping of CA mortar	8.3 × 10^4	N·s/m