鉄筋コンクリート造平面十字型柱梁接合部の破壊条件に関するパラメトリック解析

日本建築学会
  • 朴 哲敏
    東京大学大学院工学系研究科建築学専攻博士課程
  • 塩原 等
    東京大学大学院工学系研究科建築学専攻

書誌事項

タイトル別名
  • A PARAMETRIC STUDY ON THE FACTORS DETERMING FAILURE CONDITIOINS OF INTERIOR BEAM-COLUMN JOINTS IN RC FRAMES

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抄録

In the current seismic design of beam-column joints, longitudinal reinforcement ratio of beam and bond condition are considered to be important factors for preventing joints from failure. However, it is still not clear if there are the other factors having influence on the strength of the joint. In this paper, the effect of factors for failure conditions of the beam-column joints are studied by analysis using macro element. The investigated factors includes the distance of the longitudinal bars in the beam, bond strength, axial force of the column, aspect ratio and the longitudinal reinforcement ratio of the beam and the column. It was found from the parametric study that the longitudinal reinforcement ratio of column has large effects on joint failure than ones in beam in the joint with weak beams and strong columns, while the longitudinal reinforced bar distance in the beams are also influential factors.

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