Safety Analysis of the Running Train under Earthquake Dynamic Disturbance

Table 1

Model material parameters.

Component	Parameter	Symbol	Units	Value
Wheel	Elastic modulus	Ex_z	Pa	2.058 × 10^11
	Poisson’s ratio	Nu_z		0.3
	Density	Dens_z	kg/m^3	1.1 × 10^5
Rail	Elastic modulus	Ex_z	Pa	2.058 × 10^11
	Poisson’s ratio	Nu_z		0.3
	Density	Dens_z	kg/m^3	7850
Wheelset	Elastic modulus	Ex_l	Pa	2.058 × 10^11
	Poisson’s ratio	Nu_l		0.3
	Density	Dens_l	kg/m^3	7850
Track slab	Elastic modulus	Ex_g	Pa	3 × 10^10
	Poisson’s ratio	Nu_g		0.16
	Density	Dens_g	kg/m^3	2500