Mechanical Behavior of Seismic Reinforced Joints Using Roughened Surface and Adhesive Anchors Subjected to Combined Stress

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  • Yamada Taizo
    室蘭工業大学 大学院工学研究科 環境創生工学系専攻
  • Takase Yuya
    室蘭工業大学 大学院工学研究科 もの創造系領域
  • Abe Takahide
    飛島建設（株） 技術研究所

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  • 目荒らしと接着系アンカーを併用した耐震補強接合部の組み合わせ応力下における力学挙動

Abstract

<p>In seismic retrofitting of existing reinforced concrete structures, additional members are generally connected to existing members by using post-installed anchors and a roughened concrete surface. To date, however, little research has focused on these hybrid joints. In this study, shear loading tests on hybrid joint specimens under combined stress were conducted. In addition, the shear strength formula and the mechanical model of the roughened surface were proposed based on the authors’ previous findings. As a result, it was found that the shear strength of the roughened surface under combined stress can be properly evaluated. Moreover, the mechanical behavior was reasonably estimated by combining the proposed model and the authors’ previous dowel model.</p>

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