Research Article
The Feasibility of Using Laser Doppler Vibrometer Measurements from a Passing Vehicle for Bridge Damage Detection
Table 1
Properties of the vehicle.
| Half-Car property | Notation | Value |
| Weight of the sprung mass | | 16.2 t | Unsprung mass axle 1 | | 900 kg | Unsprung mass axle 2 | | 900 kg | Length of the vehicle | | 11.25 m | Tyre 1 stiffness | | 1.75 × 106 N/m | Tyre 2 stiffness | | 3.5 × 106 N/m | Damper 1 stiffness | | 4 × 105 N/m | Damper 2 stiffness | | 106 N/m | Damper 1 damping | | 104 Ns/m | Damper 2 damping | | 2 × 104 Ns/m | Body mass frequency | | 1.27 Hz | Axle 1 mass frequency | | 7.80 Hz | Axle 2 mass frequency | | 11.28 Hz | Centre of gravity distance from axle 1 | | 4.71 m | Centre of gravity distance from axle 2 | | 2.89 m |
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