Contact Loss beneath Track Slab Caused by Deteriorated Cement Emulsified Asphalt Mortar: Dynamic Characteristics of Vehicle-Slab Track System and Prototype Experiment

Table 1

Basic parameters of the vehicle subsystem.

Parameters	Value
Mass of car body	39600 kg
Mass of wheelset	2500 kg
Inertia of vertical motion of bogie	1.283 kgm^2
Damping of the primary suspension of vehicle	1.96 10^4 Ns/m
Damping of the secondary suspension of vehicle	4.0 10^4 Ns/m
Length between the truck pivot centers	17.5 m
Mass of bogie	3500 kg
Inertia of vertical motion for the car	1.94 kgm^2
Vertical stiffness of the primary suspension of vehicle	1.176 10^6 N/m
Vertical stiffness of the secondary suspension of vehicle	1.89 10^6 N/m
Wheel base for the bogie	2.5 m
Radius of the wheel	0.43 m