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アスファルト固化体,プラスチック固化体の健全性確認試験

Evaluation of bituminized product and plastics solidfication product

藤田 秀人; 村山 保美; 日野田 正博; 芳中 一行

not registered; not registered; not registered; not registered

再処理施設から発生する低放射性廃液及び廃溶媒は,それぞれ,アスファルト固化処理,プラスチック固化処理され,貯蔵施設に貯蔵保管されている。貯蔵保管中のこれらの固化体及び固化体パッケージの健全性を確認するため,固化体の硬度,圧縮強度,針入度,含水率等の基本物性及び固化体パッケージの外観観察,材厚測定を実施し固化処理時と貯蔵後の物性等を比較評価することにより変化のないことを確認した。

Low-level radioactive liquid wastes generated in the PNC Tokai Reprocessing Plant are solidified in bitumen, and solvent wastes generated in the Plant are solidified in plastics. They have been stored in the storage facility. To make sure that the stored wastes and their packages are in good condition, we evaluated the fundamental characteristics, eg, hardness, compressive strength, penetration, water content for solidified wastes, and observation thickess for packages. As a result, the characteristics of the stored wastes have not changed since they were solidified.

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