Rail Corrugation Characteristics of Cologne Egg Fastener Section in Small Radius Curve

Table 3

Track structure parameters.

Parameters	Values	units
Rail elastic modulus	2.059 × 10^11	Pa
Rail Poisson’s ratio	0.3	—
Rail density	7800	kg/m^3
Friction coefficient	0.35	—
Vertical stiffness of fasteners	12.07	MN/m
Longitudinal stiffness of fasteners	7.58	MN/m
Transverse stiffness of fasteners	7.58	MN/m
Vertical damping of fasteners	1361.12	Ns/m
Longitudinal damping of fasteners	974.27	Ns/m
Transverse damping of fasteners	974.27	Ns/m
Fastener spacing	0.6	m
Slab elastic modulus	3.25 × 10^10	Pa
Slab Poisson’s ratio	0.24	—
Slab density	2400	kg/m^3
Support stiffness of foundation	1.7 × 10^8	N/m
Support damping of foundation	3.1 × 10^4	Ns/m