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構造工学論文集 A
Vol. 61A (2015) P 273-281



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It has been well recognized that response displacement of structures has good agreement with damage due to ground motions. However, there are large uncertainties in estimating the peak nonlinear response displacement of structures by typical seismic intensity measures. A seismic intensity measure considering the maximum seismic energy during the half of natural period of the structure was proposed and its application to the response of reinforced concrete bridge columns was shown in this paper. It was shown that the proposed intensity measure has better agreement with the peak nonlinear response displacement of reinforced concrete columns as compared with PGA, PGV, response acceleration at the fundamental natural period and SI.

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