MULTI-OBJECTIVE OPTIMIZATION OF STORY SKELETON CHARACTERISTICS USING ELASTIC-PLASTIC RESPONSE STORY SHEAR FORCE AND DISPLACEMENT DISTRIBUTION FOR SUPER HIGH-RISE BUILDING SEISMIC DESIGN

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  • TAKEI Hideki
    Major in Architecture, Graduate School of Engineering and Design, Hosei Univ. / Nihon Sekkei, Inc.
  • HAMADA Hideaki
    Dept. of Architecture, Faculty of Engineering and Design, Hosei Univ.

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  • 超高層建築物の耐震設計に向けた弾塑性応答層せん断力と応答変位分布を目的関数とする層骨格曲線の多目的最適化

Abstract

<p>In the seismic design of super high-rise buildings, a variety of challenges exist, including convergence calculation for setting design seismic force and evaluating cross-section, performance design against growing earthquake motion, and simultaneous case study analysis of damper placement and structural frame planning in an early design phase. To address these issues, this paper proposes an optimization method. This method uses a multi-objective optimization problem, using the response story shear force and response displacement distribution in elastic-plastic regions as performance indices. These indices are derived by the time history response analysis of a multi-degree-of-freedom (MDOF) system model.</p>

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