Research Article
Dynamic Responses of Simply Supported Girder Bridges to Moving Vehicular Loads Based on Mathematical Methods
Table 3
Parameters of the three-axle loading truck.
| | Parameters | Value | Parameters | Value |
| | Mass of truck body | 31800 kg | Upper stiffness (front axle) | 1200 kN·m−1 | | Mass of front wheel | 400 kg | Upper stiffness (middle/rear axle) | 2400 kN·m−1 | | Mass of middle/rear wheel | 600 kg | Upper damping (front axle) | 5 kN·s·m−1 | | Pitching moment of inertia | 40000 kg·m2 | Upper damping (middle/rear axle) | 10 kN·s·m−1 | | Rolling moment of inertia | 10000 kg·m2 | Lower stiffness (front axle) | 2400 kN·m−1 | | Distance (front axle to center) | 4.60 m | Lower stiffness (middle/rear axle) | 4800 kN·m−1 | | Distance (middle axle to center) | 0.36 m | Lower damping (front axle) | 6 kN·s·m−1 | | Distance (middle to rear axle) | 1.40 m | Lower damping (middle/rear axle) | 12 kN·s·m−1 | | Wheel base | 1.80 m | | |
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