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JPDR生体遮蔽コンクリートの放射化計算とレンチ埋設に向けた放射能評価手法の検討

Radioactivity calculation of JPDR biological shielding concrete and examination of radioactivity evaluation technique for trench-type disposal

河内山 真美 ; 坂井 章浩 ; 今野 力  

Kochiyama, Mami; Sakai, Akihiro; Konno, Chikara

動力試験炉JPDRの生体遮蔽コンクリートを対象にDORTおよびORIGEN-Sコードを用いて放射化計算を行い、測定値と比較した上で計算値によるトレンチ処分の放射能濃度の確認手法を検討した。

We performed activation calculations using DORT and ORIGEN-S for biologically shielded concrete in the power test reactor JPDR. By comparing the calculated values with the measured values of concrete samples. We evaluated the appropriate radioactivity concentration and evaluated the possibility of trench-type disposal and the target nuclides.

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