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2007•AIJ Journal of Technology and DesignOpen access

APPLICATION OF SEISMIC AND VIBRATION ISOLATION STRUCTURE SYSTEM TO DESIGN OF OVER-TRACK BUILDING

Yasushi TAKEI, Kojiro Fujii, Yasuhiko IZUMI, Seiji Yamada, Tsuneo Hasuda, Toshiyuki Nakazawa

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Abstract

In over-track buildings, it is necessary not only to enhance the resistance against earthquake but also to reduce the train-induced vibration propagated to the buildings, which will be caused by trains running under the buildings. Therefore, we have proposed a structural system of a building with functions of both seismic and vibration isolation. In this structural system, laminated rubbers are set in the middle story of the building, which are softer in the vertical direction than general laminated rubbers. In this study, it has been made clear by response analysis that the resistance against earthquake is high and the reduction of train-induced vibration has been confirmed with model experiments and numerical analysis.

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What this paper is about

In over-track buildings, it is necessary not only to enhance the resistance against earthquake but also to reduce the train-induced vibration propagated to the buildings, which will be caused by trains running under the buildings. Therefore, we have proposed a structural system of a building with functions of both seismic and vibration isolation. In this structural system, laminated rubbers are set in the middle story of the building, which are softer in the vertical direction than general laminated rubbers. In this study, it has been made clear by response analysis that the resistance against earthquake is high and the reduction of train-induced vibration has been confirmed with model experiments and numerical analysis.

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Available abstract

In over-track buildings, it is necessary not only to enhance the resistance against earthquake but also to reduce the train-induced vibration propagated to the buildings, which will be caused by trains running under the buildings. Therefore, we have proposed a structural system of a building with functions of both seismic and vibration isolation. In this structural system, laminated rubbers are set in the middle story of the building, which are softer in the vertical direction than general laminated rubbers. In this study, it has been made clear by response analysis that the resistance against earthquake is high and the reduction of train-induced vibration has been confirmed with model experiments and numerical analysis.

Key concepts: Structural engineering, Vibration, Track (disk drive), Train, Vibration isolation, Engineering, Earthquake resistance, Vibration control

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