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- W2364233767 abstract "The dynamic behavior of a multi-span continuous curved bridge under heavy trucks passing was investigated,the bridge was discretized with a triple-beam model and the trucks were simulated with a 12-DOF model.The inverse fast Fourier transformation was applied to simulate road irregularity and its velocity term of grade B according to the power spectral density of road roughness.The impact effects at various positions of the curved bridge under multi-vehicle action with different velocities were investigated considering the bridge structural damping using the separated iteration method based on ANSYS.The analysis results showed that the number of lateral loading lanes has a great effect on the fulcrum and the mid-span torques,the fulcrum bending moment and the bending moment maximum dynamic amplification factor of the top pier cross-section,while it has little effect on the maximum deflection dynamic amplification factor of the girder and the maximum axial force dynamic amplication factor of the pier;the number of longitudinal loading vehicles has significant influence on the bridge impact effects;the impact factors increase with increase in space headway but the corresponding maximum responses decrease.The presented results provided a reference for design of continuous curved box girder bridges." @default.
- W2364233767 created "2016-06-24" @default.
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- W2364233767 date "2012-01-01" @default.
- W2364233767 modified "2023-09-24" @default.
- W2364233767 title "Impact effect analysis for a continuous concrete curved bridge due to multi-vehicle loading" @default.
- W2364233767 hasPublicationYear "2012" @default.
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