LATERAL STRUCTURAL PERFORMANCE OF NARROW SIZE CROSS LAMINATED TIMBER CONNECTED WITH TENSILE BOLTS

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  • MIURA Sota
    Grad. Stud., Graduate School of Engineering, Shinshu Univ.
  • ISODA Hirosi
    Prof., RISH, Kyoto Univ./ Visiting Researcher, BRI, Dr.Eng.
  • TSUCHIMOTO Takahiro
    Chief Research Eng., Dept. of Building Materials and Components, Building Research Institute, Dr.Agr.
  • NAKAGAWA Takahumi
    Senior Researcher, Building Dept., NILIM, MLIT, Dr.Agr.
  • KITAMORI Akihisa
    Assist. Prof., Research Institute for Sustainable Humanosphere, Kyoto Univ., Dr.Agr.
  • SUZUKI Kei
    Chief Researcher, Wood Structure Prom/ The University of Tokyo, M.Agr.
  • TSUDA Chihiro
    Structural Engineer, Team Architect Office, Dr.Eng.

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Other Title
  • 小幅パネルを引きボルト接合したCLT壁の水平力に対する挙動
  • コハバ パネル オ ヒキ ボルト セツゴウ シタ CLTヘキ ノ スイヘイリョク ニ タイスル キョドウ

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Abstract

 Shear wall tests of single CLT wall of which size is 1x3m were conducted to evaluate the shear performance and 4m width shear wall with opening tests consisting of double 1x3m of CLT panels and hanging panels were also conducted. Tensile bolts were used as connection between the shear wall and foundation, shear wall and hanging wall, and top-bottom of shear walls. Simple tensile tests for every bolt joint, compression, shear and bending tests for CLT panel were conducted to calculate the load-displacement relationship and to derive structural design procedure of the shear wall. As results of these static loading tests, the following conclusions are drawn;<br> 1. Each CLT panel remained elastic and shear deformation of CLT panel is less than the connections deformation. This highlighted seismic performance of CLT construction is controlled by the design and detailing of the connections.<br> 2. Equations to calculate load-displacement relationship of CLT shear walls are computed from the equilibrium of internal and external forces. The equations are validated with the experimental results.

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