Effect of Long-Wavelength Track Irregularities on Vehicle Dynamic Responses

Table 2

Track parameters.

Parameters	Notation	Value
Mass of rail beam per unit length	mr (kg)	60.64
Area of rail section	Ar (cm^2)	77.45
Elastic modulus of rail	Er (MPa)	205900
Rail moment of inertia about z axis	Irz (cm^4)	3217
Fastener stiffness	Kp (MN/m)	60.0
Fastener damping	Cp (kN·s/m)	27.0
Width of track slab	b1 (m)	2.5
Thickness of track slab	t1 (m)	0.21
Width of self-compacting concrete	b2 (m)	2.5
Thickness of self-compacting concrete	t2 (m)	0.1
Width of concrete base slab	b3 (m)	3.1
Thickness of concrete base slab	t3 (m)	0.3