スリップ型の復元力特性を有する柱脚の弾塑性挙動が鋼構造多層骨組の終局耐震性能に及ぼす影響

DOI Web Site Web Site 被引用文献12件 参考文献16件 オープンアクセス

書誌事項

タイトル別名
  • INFLUENCE OF THE ELASTO-PLASTIC BEHAVIOR OF COLUMN BASES WITH SLIP-TYPE HISTERESIS CHARACTERISTICS ON THE ULTIMATE EARTHQUAKE RESISTANSE OF MULTI-STORY STEEL MOMENT FRAMES
  • スリップガタ ノ フクゲンリョク トクセイ オ ユウスル チュウキャク ノ ダ
  • Influence of the elasto-plastic behavior of column bases with slip-type hysteresis characteristics on the ultimate earthquake resistance of multi-story steel moment frames (in Japanese)

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説明

Column base is one of the most important element of steel structures. It is important to investigate the influence of elasto-plastic behavior of column bases on the ultimate earthquake resistance of steel frames. In this paper, a series of inelastic response analysis of multi-story steel frames with exposed type column bases, especially weak anchor bolt type column bases, were carried out. From the analytical results, following conclusions were obtained. 1)The intensity of the damage concentration at the structural element of the 1st story in the frames with exposed type column bases were much less than that of the frames with pin type column bases and the frames with fixed column bases. 2)Ultimate earthquake resistance of the frames with exposed type column bases were similar to that of the frames with pin type column bases. 3)If columns of the frames were ductile, ultimate earthquake resistance of the frames with exposed type column bases were similar to or a little better than that of the frames with fixed column bases. If columns of the frames were not ductile, ultimate earthquake resistance of the frames with exposed type column bases were much better than that of the frames with fixed column bases. 4)Energy absorbing capacity of the exposed type column bases were much less than other structural elements.

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