Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods

<table>Schematic plan of girder showing locations of experimental damage cases (numbered and dimensioned black squares), numerical damage cases (open squares, selected cases labelled ND1, etc.), and sensors (dimensions in mm).</table>

Advances in Civil Engineering

fig4

Figure 4

Figure 4: Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods 