等価線形化法に基づく応答評価式 : エネルギーバランスに基づく考察と限界変形の超過確率の評価への適用

概要

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The closed form equations for equivalent linearization method are presented. In velocity response spectrum constant region, the response ductility is the function of yielding strength, yielding deformation angle and height of structure. But in acceleration response spectrum constant region, yielding deformation angle and height of structure is irrelevant to response ductility. And in deformation response spectrum constant region, yielding strength is irrelevant to response ductility. It is shown that these characteristics are essential by the discussion based on energy balance of stationary random vibration. The evaluation method for probability of failure during design lifetime, which is examined by deformation capacity is also presented. The closed form equations, for equivalent linearization method are utilized in above equation. The influence of variation of deformation capacity is considered in correction coefficient.
社団法人日本建築学会の論文
2002-12-30