構造工学論文集 A
Online ISSN : 1881-820X
橋梁耐震
RC橋脚の非線形応答特性を反映させた地震動エネルギーに基づく地震動強度指標に関する基礎的研究
松崎 裕笠原 康平根本 賢斗鈴木 基行
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61A 巻 (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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© 2015 公益社団法人 土木学会
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