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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. 相似文献
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