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A simplified design equation was proposed in this paper to evaluate ultimate flexural strength of reinforced concrete columns retrofitted by circular steel tube. Ultimate axial load versus moment inte...ractive curve of a circularly retrofitted column section, which is defined by the proposed design equation, consists of two parabolas. The proposed design equation has a very simple mathematical expression and enables structural engineer to easily take into account confinement effect of circular steel tube on ultimate flexural strength of the retrofitted column.続きを見る
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Mendeley出力
jaud001_p145