Abstract
Amid increasing concerns about the occurrence of mega earthquakes, recent studies have shown that the deformation of conventional seismic isolators may exceed their expected design range. To address this issue, we have been developing a displacement control system for seismic isolation equipped with high-static-low-dynamic stiffness and rotational inertia. In this paper, we demonstrate the results of large shaking table experiments. We compared the response of the test structure to that of a time response analysis model. We also performed a time response analysis to determine the vibration characteristics of the displacement control system.
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