Table 1 Parameters of vehicle model.

From: Vibration response analysis of simply supported girder bridges using millimeter-wave radar measurements

Parameters

Notation

Unit

Numerical value

Vehicle body mass

Mv

kg

34,000

Pitching moment of inertia

Ihb

kg·m2

57,068

Lateral tilt moment of inertia

Ir

kg·m2

7119

Front axle suspension mass

m1m2

kg

297

Middle / Rear axle suspension mass

m3 ~ m6

kg

466

Front axle suspension damping coefficient

C1C2

N·s/m

2730

Middle/rear axle suspension damping coefficient

C3 ~ C6

N·s/m

3800

Front axle suspension stiffness

K1K2

N /m

630,000

Middle/rear axle suspension stiffness

K3 ~ K6

N /m

790,000

Wheel damping coefficient

Ct1,1~Ct6,12

N·s/m

167

Wheel stiffness

kt1,1~kt6,12

N /m

233,333

Distance from the front axle to the center of travel of vehicle body

A

m

3.4

Distance from middle axle to center of travel of vehicle body

B

m

0.2

Distance from the rear axle to center of travel of vehicle body

C

m

1.2

Spacing between left and right wheels

D

m

1.8