ノンスリップ型露出柱脚付門型ラーメン架構の振動台実験

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  • Shaking Table Tests of Portal Framed with Non-Slip-Type Exposed Column-Base
  • ノンスリップガタ ロシュツ チュウキャクツキ モンガタ ラーメン カコウ ノ シンドウダイ ジッケン

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Anchor-bolt-yield-type exposed column bases are generally employed in steel buildings. Vibration characteristics of the building deteriorate because cyclic curves show slip behavior due to anchor-bolts yielding and rigidity of the column base decreases. Non-slip-type column bases were proposed by authors to improve slip behavior. In this paper, shaking table tests were carried out on steel portal frames with either column base to clarify vibration characteristics of the frames. The following conclusions were drawn from the experimental results: 1) The natural frequency of the frame with slip-type column bases decreased due to anchor-bolt yielding. 2) The vibration characteristics of the frame with non-slip-type column bases showed constant.

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