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機器配管系の支持構造部に着目したハイブリッド地震応答試験

Hybrid seismic testing of support structure for components and piping systems

酒井 理哉*; 塩竈 裕三*; 西田 明美  ; 新谷 文将; 櫛田 慶幸

Sakai, Michiya*; Shiogama, Yuzo*; Nishida, Akemi; Araya, Fumimasa; Kushida, Noriyuki

原子力プラントの耐震性評価技術の高度化を目的とし、一般的に剛の仮定下で設計されている原子力プラント内部の機器・配管系の支持構造部に着目した。当該部位をモデル化した試験体を製作し、静的繰り返し載荷実験及びハイブリッド地震応答実験を実施した。実験結果より、当該支持構造部の基本的耐荷力特性,地震時の破損モードに関する知見を得た。

For the purpose of an advancement of the evaluation technology for earthquake resistance of the nuclear plants, we paid attention to the support structures of component system of the nuclear plants generally designed as fixed/pinned boundaries. The specimens were prepared and static cyclic load experiments and hybrid earthquake response experiments were carried out for them. From the experimental results, we got some knowledge about the basic load resistant characteristics and the damage modes of those support structures.

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