Dynamic Analysis of the High Speed Train and Slab Track Nonlinear Coupling System with the Cross Iteration Algorithm

Table 2

Parameters for CRTS II slab track.

Parameters		Value
Rail pad	Distance of ties (m)	0.625
	Stiffness of clips and pad (MN⋅m^−1)	60
	Damping of clips and pad (kN⋅s⋅m^−1)	50
Concrete slab	Length (m)	6.45
	Width (m)	2.55
	Height (m)	0.20
	Density (kg⋅m^−3)	2500
	Young’s modulus (MPa)	3.9 × 10^4
Cement-asphalt mortar	Stiffness (MN⋅m^−1)	0.9 × 10^3
	Damping (kN⋅s⋅m^−1)	80
Hydraulically bonded layer	Upper bottom width (m)	2.95
	Lower bottom width (m)	3.25
	Height (m)	0.30
	Density (kg⋅m^−3)	2500
	Damping (MPa)	3.3 × 10^4
Subgrade	Stiffness (MN⋅m^−1)	65
	Damping (kN⋅s⋅m^−1)	90