Investigation on Derailment of Empty Wagons of Long Freight Train during Dynamic Braking

Table 2

The main parameters of empty C₈₀-type gondola.

Item		Value	Unit
Wagon mass		10297	kg
Axle load		25	t
Wheel base		1.83	m
Bogie distance		8.2	m
Length over pulling faces of couplers		12	m
Coupler height		0.88	m
Wheel radius		0.42	m
Primary suspension stiffness (signal adapter)	Longitudinal	13	MN/m
	Lateral	11	MN/m
	Vertical	160	MN/m
Secondary suspension stiffness (one side in a bogie)	Longitudinal	1.818	MN/m
	Lateral	1.818	MN/m
	Vertical	2.233	MN/m
Axial stiffness of the cross-sustaining device		14.8	MN/m
Prepressure of side bearings		19.8	kN