Abstract
This study is intended to evaluate the influence of dynamic bridge-train interaction (BTI) on the seismic response of the Shinkansen system in Japan under moderate earthquakes. An analytical approach to simulate the seismic response of the BTI system is developed. In this approach, the behavior of the bridge structure is assumed to be within the elastic range under moderate ground motions. A bullet train car model idealized as a sprung-mass system is established. The viaduct is modeled with 3D finite elements. The BTI analysis algorithm is verified by comparing the analytical and experimental results. The seismic analysis is validated through comparison with a general program. Then, the seismic responses of the BTI system are simulated and evaluated. Some useful conclusions are drawn, indicating the importance of a proper consideration of the dynamic BTI in seismic design.
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Supported by: Japan Society of the Promotion of Science (Grant-in-Aid for Scientific Research (B) Under Project No. 17360213) and the Hyogo Science and Technology Association
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He, X., Kawatani, M., Hayashikawa, T. et al. Numerical analysis on seismic response of Shinkansen bridge-train interaction system under moderate earthquakes. Earthq. Eng. Eng. Vib. 10, 85–97 (2011). https://doi.org/10.1007/s11803-011-0049-1
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DOI: https://doi.org/10.1007/s11803-011-0049-1