Research Article
Dynamic Responses of Continuous Girder Bridges with Uniform Cross-Section under Moving Vehicular Loads
Table 7
Parameters of the vehicle in the fundamental model.
| | Parameters | Value |
| | Mass of truck body | 31800 kg | | Mass of front wheel | 400 kg | | Mass of middle/rear wheel | 600 kg | | Pitching moment of inertia | 40000 kg⋅m2 | | Rolling moment of inertia | 10000 kg⋅m2 | | Distance (front axle to center) | 4.60 m | | Distance (middle axle to center) | 0.36 m | | Distance (middle to rear axle) | 1.40 m | | Wheel base | 1.80 m | | Upper stiffness (front axle) | 1200 kN⋅m−1 | | Upper stiffness (middle/rear axle) | 2400 kN⋅m−1 | | Upper damping (front axle) | 5 kN⋅s⋅m−1 | | Upper damping (middle/rear axle) | 10 kN⋅s⋅m−1 | | Lower stiffness (front axle) | 2400 kN⋅m−1 | | Lower stiffness (middle/rear axle) | 4800 kN⋅m−1 | | Lower damping (front axle) | 6 kN⋅s⋅m−1 | | Lower damping (middle/rear axle) | 12 kN⋅s⋅m−1 | | Speed | 80 km/h |
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