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Analytical study on response of a reinforced concrete structure subjected to projectile impact

飛翔体衝突を受ける鉄筋コンクリート構造物の衝撃応答に関する解析的検討

Kang, Z.   ; 奥田 幸彦  ; 西田 明美  ; 坪田 張二; Li, Y. 

Kang, Z.; Okuda, Yukihiko; Nishida, Akemi; Tsubota, Haruji; Li, Y.

原子力施設への飛翔体衝突による影響を評価することを目的としたベンチマーク解析プロジェクト(OECD/NEA IRISプロジェクト)に参加し、原子炉建屋及び内包機器を模擬した構造物への飛翔体衝突試験の結果を対象に、再現解析を実施した。具体的には、原子炉建屋及び内包機器への影響評価に資する数値解析手法を整備し、解析結果と試験結果との比較により解析手法の妥当性を確認した。本発表では、飛翔体衝突による建屋内包機器の応答への影響評価に係る解析的検討結果について報告する。

To conduct the integrity assessment on nuclear building subjected to projectile impact, we participated in the third phase of the IRIS project (Improving robustness assessment of structures impacted by a large missile at medium velocity) launched by OECD/NEA. IRIS Phase 3 project contributes to the investigation on the transmission of induced vibrations by projectile impact across the connected floors and walls of the prescribed reinforced concrete (RC) structure with internal equipment. The impact tests of IRIS Phase 3 project were carried out at the VTT Technical Research Center, Finland. On the basis of the test data, we developed and validated an analytical approach to investigate impact response of the RC structure with internal equipment. This paper presents partial analytical results related to the response of RC structure with internal equipment subjected to projectile impact.

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