Dynamic Analysis of Vehicle Track Coupling Based on Double Beam Track Model

Table 2

Rail parameters.

Notation	Specification	Value
E	Elastic modulus of rail (MPa)	2.059 × 10^5
	Density	7850
	The area of rail head
	The second moment of area of the rail head section about the -axis
	Area of rail base
	The second moment of area of the rail base section about the -axis.
ls	Sleeper spacing (m)	0.6
	Vertical shear coefficient of rail head	0.45
	Vertical shear coefficient of rail base	0.85