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A nuclear power plant in Byron, Illinois. Taken by photographer Joseph Pobereskin (http://pobereskin.com). カレンダー
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Latest Posts / 最新記事
- Revealed: how a San Francisco navy lab became a hub for human radiation experiments via The Guardian 2024/11/26
- Australia declines to join UK and US-led nuclear energy development pact via ABC News 2024/11/20
- Australia mistakenly included on list of countries joining US-UK civil nuclear deal, British government says via The Guardian 2024/11/20
- 被ばく研究の灯は消さない 国や自治体が「風化待ち」の中、独協医科大分室が移転してまで続ける活動の意義via東京新聞 2024/10/05
- Chernobyl-area land deemed safe for new agriculture via Nuclear Newswire 2024/09/26
Discussion / 最新の議論
- Leonsz on Combating corrosion in the world’s aging nuclear reactors via c&en
- Mark Ultra on Special Report: Help wanted in Fukushima: Low pay, high risks and gangsters via Reuters
- Grom Montenegro on Duke Energy’s shell game via Beyond Nuclear International
- Jim Rice on Trinity: “The most significant hazard of the entire Manhattan Project” via Bulletin of Atomic Scientists
- Barbarra BBonney on COVID-19 spreading among workers on Fukushima plant, related projects via The Mainichi
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Tag Archives: 土台
圧力容器下の部品にデブリ付着か 土台は半分以上がなくなった恐れ 福島第一原発1号機 via 東京新聞
東京電力は31日、福島第一原発(福島県大熊町、双葉町)の1号機原子炉の内部調査で、核燃料があった圧力容器の真下を撮影した画像を新たに公開した。容器下に付いていた制御棒などの部品に溶け落ちた核燃料(デブリ)とみられる塊が付着していた。 容器を支える鉄筋コンクリートの土台(厚さ1.2メートル)は、壁の中心にある部材が露出しているのが確認され、厚さの半分以上のコンクリートが損傷してなくなった可能性が高いことも分かった。 […] 国際廃炉研究開発機構は、開口部の周囲約100度にわたって土台が欠損し、残りの部分も4分の1ほどがなくなった想定で耐震性を評価。その結果、健全性は維持されるとした。 現時点では、土台の損傷度合いははっきりしない。東電は「映像を解析して耐震性を再評価しないと健全性を判断できない」としながらも、圧力容器は上部にも支えがあるため、倒壊する危険はないと説明している。(小野沢健太) 【関連記事】鉄筋がむき出しに…核燃料の熱でコンクリが溶けたか 圧力容器真下の土台が損傷 福島第一原発1号機 全文