Abstract
A numerical solution for the dynamic responses of a train-bridge interaction system subjected to multi-support seismic loads was studied. The train vehicle was modeled by the rigid-body dynamics method, and the bridge was modeled by the finite element method. The vertical and lateral wheel-rail interaction forces were defined according to the wheel-rail corresponding assumption and the simplified Kalker creep theory. Three-dimensional seismic accelerations were incorporated using the large mass method. In a case study, the dynamic responses were simulated for a high-speed train traversing a steel truss cable-stayed bridge with different seismic intensities and different train speeds, and train safety was evaluated.
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This paper was recommended for publication in revised form by Associate Editor Won-Gu Joo
Nan Zhang was awarded a Ph.D. degree in Bridge and Tunnel En-gineering in 2002. He is an associate professor in the School of Civil Engineering, Beijing Jiaotong University, China. His academic interests are vehicle-bridge interaction analysis, bridge design theory, structural dynamics and the finite element method.
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Zhang, N., Xia, H. & De Roeck, G. Dynamic analysis of a train-bridge system under multi-support seismic excitations. J Mech Sci Technol 24, 2181–2188 (2010). https://doi.org/10.1007/s12206-010-0812-7
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DOI: https://doi.org/10.1007/s12206-010-0812-7