MAXIMUM RESPONSE EVALUATION OF BASE-ISOLATED BUILDINGS AGAINST PULSE-LIKE GROUND MOTIONS IN CASE OF COLLISION TO RETAINING WALL

DOI Web Site 5 Citations
  • YASUMOTO Hiroshi
    Graduate Student, Dept. of Architecture and Architectural Eng., Kyoto Univ.
  • OKAZAWA Rie
    Graduate Student, Dept. of Architecture and Architectural Eng., Kyoto Univ.
  • TAKIYAMA Noriko
    Assoc. Prof., Div. of Architecture and Urban Studies, Tokyo Metropolitan Univ., Dr. Eng.
  • ONISHI Yoshihiro
    Assoc. Prof., Dept. of Architecture and Architectural Eng., Kyoto Univ., Dr. Eng.
  • HAYASHI Yasuhiro
    Prof., Dept. of Architecture and Architectural Eng., Kyoto Univ., Dr. Eng.

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Other Title
  • パルス性地震動に対する免震建物の擁壁衝突時の最大応答評価

Abstract

In this paper, we study the response characteristics and establish a method of evaluating the maximum response of base-isolated buildings when colliding with the retaining walls by pulse-like ground motions. As a result, the following conclusions are obtained.1)The force buildings subjected to varies by stiffness of retaining wall and building scale. 2)The period of collision is half of the natural period. 3)If the stiffness of retaining wall is high, ultimate natural frequency is determined by the lowest mass and stiffness of retaining wall. 4)Using prediction method we propose, the maximum response can easily be evaluated approximately.

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