JMTR原子炉施設建家の健全性調査

Material type: 文書・図像類

Author: 大戸勤ほか

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Publication date: 2011-01

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Note (General)：: The refurbishment of JMTR is scheduled from the beginning of FY 2007 to the end of FY 2010. An integrity investigation for concrete structures of the ...

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Summary, etc.：: The refurbishment of JMTR is scheduled from the beginning of FY 2007 to the end of FY 2010. An integrity investigation for concrete structures of the ...

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Material Type: 文書・図像類
Title: JMTR原子炉施設建家の健全性調査
Author/Editor: 大戸勤
木村正
深作秋富
楠剛
Author Heading: 大戸勤
木村正
深作秋富
楠剛
Publication Date: 2011-01
Publication Date (W3CDTF): 2011-01
Alternative Title: Investigation on integrity of JMTR reactor building
Periodical title: JAEA-Review 2010-066
Text Language Code: eng
Target Audience: 一般
Note (General): The refurbishment of JMTR is scheduled from the beginning of FY 2007 to the end of FY 2010. An integrity investigation for concrete structures of the JMTR buildings was carried out in early phase of the refurbishment. This paper describes investigated results and repair work of the vent stack, trenches, canal building and the filter bank. Investigated items were the concrete surface deterioration, rebound number (nondestructive estimation of strength), comprehensive strength using drilled concrete core test piece, carbonation depth, reinforced bar corrosion and chloride ion content. The integrity of these concrete structures was confirmed by these investigations. Based on the investigation results, repair works such as re-painting were carried out from the viewpoint of preventive maintenance for the vent stack, trenches and canal building.
JMTRの改修は2007年度初頭から2010年度にかけて実施する予定である。JMTR原子炉建家等のコンクリート構造物の健全性調査を改修期間の初期に実施した。本報告は、排気筒,トレンチ,カナル室,フィルターバンクの調査結果及び補修に関するものである。調査項目は、コンクリートの表面劣化,反発度(非破壊強度推定),コア供試体による圧縮強度,中性化深さ,鉄筋腐食,塩分含有量とした。調査の結果、これらコンクリート構造物の健全性が十分に維持されていることが明らかとなった。予防保全の観点から、調査結果に基づき、排気筒,トレンチ,カナル室について、再塗装等の補修を実施した。
Source: /JAEA-Review-2010-066.pdf （fulltext）
https://jopss.jaea.go.jp/pdfdata/JAEA-Review-2010-066.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 日本原子力研究開発機構 : JOPSS:JAEA Originated Papers Searching System