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31 July 2003 Study on applicability of rocking structural systems to building structures
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We are now developing the rocking structural system that can reduce earthquake responses of building structures by causing rocking vibration on them under appropriate control. This paper examines applicability of this system to building structures based on case studies using four realistic steal planer frame models which have 5 stories and 1 bay. All models have the same height and width, which are 18 m and 6 m respectively. But they have the different first natural period. These values range from 0.384 s to 0.729 s. The case studies are executed using a numerical simulation method. Furthermore, we propose simple prediction method for earthquake responses of the rocking structural systems using the equivalent one mass model. It is concluded that the rocking structural systems can reduce seismic responses of building structures effectively, and these response values can be predicted by the proposed method appropriately.
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Tatsuya Azuhata, Mitsumasa Midorikawa, and Akira Wada "Study on applicability of rocking structural systems to building structures", Proc. SPIE 5052, Smart Structures and Materials 2003: Damping and Isolation, (31 July 2003);

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