Research on the Matching of Fastener Stiffness Based on Wheel-Rail Contact Mechanism for Prevention of Rail Corrugation

Table 1

Main parameters of beam and board model of the track structure.

Part	Item	Unit	Value
Rail	Section	kg/m	60
	Elasticity modulus	MPa	2.06 × 10^5
	Poisson’s ratio	—	0.3
Fastener	Vertical stiffness	kN⋅mm^−1	40
	Vertical damp	kN⋅s⋅m^−1	10
	Lateral stiffness	kN⋅mm^−1	10
	Lateral damp	kN⋅s⋅m^−1	10
	Fastener spacing	m	0.625
Track bed slab	Elasticity modulus	MPa	3.35 × 10^4
	Poisson’s ratio	—	0.2
	Thickness	m	0.26