Integrity test of multi-stage design packages of radioactive wastes under deepsea condition.
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概要
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For sea disposal of the low-level radioactive wastes, high hydrostatic pressure tests on the full size (200<I>l</I>) multi-stage type packages were carried out in a pressure vessel. Using the data obtained, ingress of water through leak path was simulated by a computer analysis. <BR>In order to confirm the above results, a demonstration test on integrity of the package in deepsea (5, 000 m depth) was carried out at 90 miles off Nojimazaki, Chiba-ken (143°10'E, 33°50'N) by hanging the package down to 5, 000 m depth. In these tests, no appreciable damage of the packages was observed which could give rise to controversy in safety.
- 一般社団法人 日本原子力学会の論文
著者
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ITO Akihiko
Division of Environmental Safety Research, Japan Atomic Energy Research Institute
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SEKI Susumu
Division of Environmental Safety Research, Japan Atomic Energy Research Institute
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HISA Isamu
Division of Environmental Safety Research, Japan Atomic Energy Research Institute
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OUCHI Kouki
Division of Environmental Safety Research, Japan Atomic Energy Research Institute
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