CONTRIBUTIONS OF PLYWOOD SHEAR WALLS AND PLASTERBOADS ON SEISMIC RESPONSE REDUCTION OF TIMBER STRUCTURES USING WOOD FRICTION-BASED DAMPERS

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  • ISHIKAWA Koichiro
    Division of Architecture and Civil Eng., Faculty of Eng., Univ. of Fukui
  • WAKASHIMA Yoshiaki
    Toyama Pref. Agr., Forestry and Fisheries Research Center
  • FUJIOKA Ryotaro
    Dept. of Architecture, Civil and Environmental Eng., School of Eng., Univ. of Fukui
  • SHIMIZU Hidemaru
    Dept. of Human Environment Design, Sugiyama Jogakuen Univ.
  • MATSUBARA Doppo
    Dept. of Architecture and Design, Faculty of Humanity-oriented Science Eng., Kindai Univ.
  • KITAMORI Akihisa
    Dept. of Civil and Environmental Engineering, Faculty of Eng., Osaka Sangyo Univ.

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Other Title
  • 木製摩擦接合ダンパーを用いた木質制振構造の地震応答低減に及ぼす構造用合板壁と石膏ボードの寄与度

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Abstract

<p>The study deals with the damage control system of wooden houses using wood friction-based dampers subjected to earthquake motion. In this study, wood friction joints were developed to introduce damping into wood shear walls. Shaking table tests were also conducted to investigate the seismic performance of two-story timber structures composed of plywood shear walls, plasterboards and timber shear walls using high damping devices. The purpose of this study is to propose an estimation method of the required quantity of the friction damper to satisfy the restriction value of the story drift angle for the continued use after earthquake motion.</p>

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