Study on Seismic-Isolation Railway Structures Consideration of Running Safety during Earthquakes

摘要

A new type of seismic-isolation foundation has been proposed in this paper, which can convert the seismic response displacement in the lateral direction of track to the longitudinal direction that has less adverse effect to the running safety of train. The isolation foundation is composed of FPS (Friction Pendulum System) slider, concave plate and guide ditch. Moreover, through model experiments and 3-D numerical simulation, it is verified that the proposed foundation can keep both the effects of the seismic-isolation and the running safety of train during earthquakes.