Research Article

The Feasibility of Using Laser Doppler Vibrometer Measurements from a Passing Vehicle for Bridge Damage Detection

Table 2

Properties of the bridge.

Bridge propertyNotationValue

Number of elements200
Length20 m
Young’s modulus3.5 × 1010 N/m2
2nd moment of area1.26 m4
Bridge depth1 m
Mass per unit length37,500 kg/m
Damping3%
First natural frequency4.26 Hz
Length of the approach10 m