Nucleus seed migration testing device of rock body for disposing stratum

地層処分用岩体の核種移行試験装置

Abstract

(57)【要約】 (修正有) 【目的】 地層処分用岩体の核種移行試験装置に係るも ので、小さな被試験岩体を使用して、地層処分対象箇所 の岩体の放射性核種の移行状況を、実際の処分環境に模 擬した状態で正確に把握する。 【構成】 被試験岩体Xを収納するともに試験液が充填 される容器1と、流体入口2及び流体出口3と、被試験 岩体Xが搭載される内向フランジ4と、フランジ面と被 試験岩体Xの縁部との間を密封するシール部材5とを具 備する。被試験岩体Xに平行に試験液を浸透させ、被試 験岩体Xに残留する放射性核種の濃度分布を等価的にす る。
PURPOSE:To enable a migration status of a radioactive species at a part where a stratum is to be disposed to be understood accurately in a state which is simulated to an actual disposal environment by using a small rock body to be tested. CONSTITUTION:A title item is provided with a container 1 where a rock body X to be tested is stored and a test liquid is filled, a fluid entrance 2 and a fluid exit 3, an inward flange 4 where the rock body X to be tested is mounted, and a seal member 5 which seals an area between a flange surface and the rock body X to be tested. By penetrating a test liquid in parallel with the rock body X to be tested, a concentration distribution of a radioactive nucleus seed which stays at the rock body X to be tested is made to be equivalent.

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