Reduction of Vehicle-Induced Vibration of Railway Bridges due to Distribution of Axle Loads through Track

Table 2

Mechanical characteristics of the high-speed train.

Item	Meaning	Unit	Passenger-car	Locomotive
	Length of a vehicle	m	26.1	19.2
	Distance between two trucks in one vehicle	m	0.68	12
	Load distribution width	m	3	3
	Mass of the truck	kg	9937.5	15942
	Mass of the axle	kg	1583	2059
	Natural frequency of the car	Hz	3.85	4.83
	Damping ratio of the car	%	11.22	12.90