Abstract
The 1995 Hanshin Awaji Earthquake caused enormous damage to Container Cranes at Kobe Harbor. It was reported that a behavior of container crane under strong earthquakes involved uplifting and slipping of their legs. However, such behavior is not taken into consideration in the seismic design of crane, because of the difficulty due to its nonlinearly. The purpose of this study is to present a new method of the seismic isolation system for the container crane by comparing the horizontal isolation system. This paper presents the rocking type of vibration, its performance is investigated by the nonlinear transient analysis of 3-D FEM. The results show the availability of the rocking type of isolation system as well as horizontal isolation system.
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