鋼構造物の耐震安全性について (4) : 低層偏在筋違付ラーメン架構を対象として

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  • ASEISMIC CAPACITY OF STEEL STRUCTURES (IV) : Low-Rise Rigid Frames with Asymmetric Braces
  • コウ コウゾウブツ ノ タイシン アンゼンセイ ニ ツイテ 4 テイソウ ヘン

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抄録

Continuing to the preceding paper (III), in which the aseismic capacity of steel structures composed of rigid frames with symmetric braces were discussed on, the purpose of this paper is to make clear the aseismic capacity of steel structures with asymmetric braces in plan from the point of view of technology. First, steel structures with asymmetric braces are divided into two types, i.e. torsional rigid and flexible ones. Successively, based on the fundamental idea of the steady-state resonance of torsional vibration as an ultimate state, analytical procedures to obtain the resonance-fatigue characteristics of torsional flexible type steel structures with asymmetric braces are presented. Finally, evaluation criteria and procedures of the aseismic capacity and safety of such structures are proposed.

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