Study on the Technical Status of Old Concrete Truss-Arch Bridge Based on Vehicle-Bridge Interaction

Table 5

Model parameters.

Parameter	Symbol	Value
Spring constant of suspension	k11	1577000 N/m
	k21	4724000 N/m
Damping of suspension	C11	11200 N/(m/s)
	C21	33420 N/(m/s)
Spring constant of tire	k11	3146000 N/m
	k21	4724000 N/m
	k31	4724000 N/m
Damping of tire	C11	13300 N/(m/s)
	C21	10000 N/(m/s)
	C31	10000 N/(m/s)
Vehicle mass	M	33000 kg
	m1	700 kg
	m2	1300 kg
Vehicle geometry	λx	5.4 m
	λx1	4 m
	λx2	1.4 m
	λy	1.8 m
	λy1	0.9 m
	λy2	0.9 m
	λy3	0.6 m