A DAMAGE-CONTROLLED RC STRUCTURE USING THE BUCKLING-RESTRAINED BRACE AS A DAMPING MEMBER

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  • OHTAKE Masahiro
    Former Graduate Student, Kanagawa Univ., M. Eng.
  • OYA Takanori
    TOMOE Corporation, Dr. Eng.
  • MAIDA Yusuke
    Graduate Student, Tokyo Institute of Technology, M. Eng., JSPS Research Fellow
  • KOYANO Kazuhisa
    Research Assoc., Dept. of Architecture and Building Engineering,Kanagawa Univ., M. Eng.
  • SAKATA Hiroyasu
    Prof., SERC, Tokyo Institute of Technology, Dr. Eng.
  • IWATA Mamoru
    Prof., Dept. of Architecture and Building Engineering, Kanagawa Univ., Dr. Eng.

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Other Title
  • 座屈拘束ブレースを制振部材として用いる損傷制御RC構造の実験的研究
  • ザクツコウソク ブレース オ セイシン ブザイ ト シテ モチイル ソンショウ セイギョ RC コウゾウ ノ ジッケンテキ ケンキュウ

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Abstract

In the field of RC structures, there are many structural systems that damping members are united with a main structure which consists of columns and beams. However, when damping members are damaged, failures are more likely to extend to a main structure, because a main structure and damping members are not separated. In this study, a structural system, which is separated a main structure and damping members, is proposed to realize a damage-controlled RC structure. As a damping member, the buckling-restrained brace, which has excellent seismic energy absorption capability, is used. Since the buckling-restrained brace is easy to adjust axial stiffness and strength, it is possible to design the RC structure with the required structure performance. In this paper, feasibility of the proposed damage-controlled RC structure is verified by the confirmatory experiment.

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