Influence of Fluid Viscous Damper on the Dynamic Response of Suspension Bridge under Random Traffic Load

Table 3

Technical parameters of the vehicle [31].

Vehicle model	Axle number	Axle weight (kg)	Upper stiffness coefficient (kN/m)	Upper damping coefficient (kN·s/m)	Lower stiffness coefficient (kN/m)	Lower damping coefficient (kN·s/m)
Three-axle truck	Front axle	8000	1577	26.6	3146	22.4
	Middle axle	13500	2362	20	2362	33.4
	Rear axle	13500	2362	20	2362	33.4