2018 Annual Meeting

Presentation information

Oral presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-1 Radioactive Waste Management

[1O17-18] Technology for Decommissioning

Mon. Mar 26, 2018 5:10 PM - 5:45 PM Room O (M3-212 -M3 Building)

Chair: Kazuyuki Takase (Nagaoka Univ. of Tech.)

5:10 PM - 5:25 PM

[1O17] Rational setting method of neutron activated area at nuclear power plant

(2)Measurement of radioactivity in concrete at activated area

*Masato Watanabe1, Takahiro Nakayama2, Tsuyosh Okude3, Atsuo Suzuki4, Keiko Aramaki1, Masataka Oyama1 (1. Chubu Electric Power Co., Inc. Nuclear Safety Research & Development Center, 2. Techno Chubu Co., Ltd, 3. ChudenCTI Co., Ltd, 4. Mirion Technologies (Canberra) KK.)

Keywords:Non radioactive Waste, NR, Neutron, Radioactive contamination, Radioactivity concentration, concrete, Natural radioactivity, clearance

放射性廃棄物ではない(NR)判断を行なう際に必要な放射化汚染の影響が無いことを確認するため,コンクリート中の天然の放射性核種濃度の変動幅(3σ)の測定,その変動幅と放射化汚染の計算値との比較及び人工の放射性核種濃度の測定を行った。