配管系の弾塑性解析手法の検討(その1)


英字タイトル:
Investigation on Method of Elasto-Plastic Analysis for Piping System (No.1)
著者:
小島 信之 Nobuyuki KOJIMA 蒲谷 拓郎 Takuro KABAYA 荒井 雅史 Masashi ARAI 廣内 悟 Satoru HIROUCHI 板東 雅嗣 Masatsugu BANDO
発刊日:
公開日:
カテゴリ: 論文
キーワードタグ:

概要

This report describes an elasto-plastic analysis method which can be applied for the actual aseismic design of nuclear carbon steel piping systems. This analysis method follows the one developed by the related JSME tasks. Using this analysis method, the test result has been reproduced to the safe side for the strain range used as the intensity evaluation index of carbon steel piping. Furthermore, fatigue life has also been reproduced to the safe side by using the curve of fatigue of carbon steel piping upon which it decided in a cooperative study among electric power companies and manufacturers in Japan. It seems that this analysis technology is applicable also to seismic integrity assessment for the preservation after an earthquake since this elasto-plastic analysis method can grasp the elasto-plastic behavior of carbon steel piping analytically. In addition, this paper improves the content announced at the 15th academic lecture meetings [1].


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