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JRR-3の制御棒系における耐震性評価について

Seismic evaluation of control rod for JRR-3

菊地 将宣; 川村 奨; 荒木 正明

Kikuchi, Masanobu; Kawamura, Sho; Araki, Masaaki

JRR-3の新規制基準対応のうち耐震性評価を実施し、適合性を示すことができた制御棒駆動装置及び制御棒の地震時における挿入性について、耐震裕度が厳しい結果であったことから、最新の知見に基づきより詳細な評価を行い、十分な耐震裕度を有することを確認した。

We carried out seismic evaluation and showed suitability in the new regulatory standard of JRR-3. CRDM and insertion property of control rod carried out more detailed approach because the past results had gotten the serious results of seismic safety margin. As a result, it was confirmed that CRDM and insertion property of control rod have sufficient seismic safety margin.

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