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地層処分実規模設備整備事業における工学技術に関する研究; 平成23年度成果報告(共同研究)

Research on engineering technology in the full-scale demonstration of EBS and operation technology for HLW disposal; Research report in 2011 (Joint research)

中司 昇; 佐藤 治夫; 棚井 憲治 ; 杉田 裕 ; 中山 雅 ; 澤田 純之*; 新沼 寛明*; 朝野 英一*; 斉藤 雅彦*; 吉野 修*; 塚原 成樹*; 菱岡 宗介*

Nakatsuka, Noboru; Sato, Haruo; Tanai, Kenji; Sugita, Yutaka; Nakayama, Masashi; Sawada, Sumiyuki*; Niinuma, Hiroaki*; Asano, Hidekazu*; Saito, Masahiko*; Yoshino, Osamu*; Tsukahara, Shigeki*; Hishioka, Sosuke*

原子力機構と原子力環境整備促進・資金管理センターは、原子力環境整備促進・資金管理センターが受注した「地層処分実規模設備整備事業」の工学技術に関する研究を共同で実施するため、「地層処分実規模設備整備事業における工学技術に関する研究」について共同研究契約を締結した。本共同研究は深地層研究所(仮称)計画に含まれる地層処分研究開発のうち、処分システムの設計・施工技術の開発や安全評価手法の信頼性確認のための研究開発の一環として実施されている。本報告は、上記の共同研究契約にかかわる平成23年度の成果についてまとめたものである。具体的成果としては、平成20年度に策定した全体計画に基づき、ブロック式緩衝材定置試験設備の一部を製作した。また、製作済みの緩衝材定置試験設備や実物大の緩衝材ブロック等の公開を継続するとともに、緩衝材可視化試験を実施した。

Japan Atomic Energy Agency (JAEA) and Radioactive Waste Management Funding and Research Center (RWMC) concluded the letter of cooperation agreement on the research and development of radioactive waste disposal in April, 2005, and have been carrying out the collaboration work based on the agreement. JAEA have been carrying out the Horonobe Underground Research Laboratory (URL) Project which is intended for a sedimentary rock in the Horonobe town, Hokkaido, since 2001. In the project, geoscientific research and research and development on geological disposal technology are being promoted. Meanwhile, the government (the Agency for Natural Resources and Energy, Ministry of Economy, Trade and Industry) has been promoting construction of equipments for the full-scale demonstration of engineered barrier system and operation technology for high-level radioactive waste (HLW) disposal since 2008, to enhance public's understanding to the geological disposal of HLW, e.g. using underground facility. RWMC received an order of the project in fiscal year 2010 (2010/2011) continuing since fiscal year 2008 (2008/2009). Since topics in this project are included in the Horonobe URL Project, JAEA carried out this project as collaboration work continuing in fiscal year 2008. This report summarizes the results of engineering technology carried out in this collaboration work in fiscal year 2011. In fiscal year 2011, part of the equipments for emplacement of buffer material was produced and visualization test for water penetration in buffer material were carried out.

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