JP4160926B2 - 地下式低温貯槽の解体方法 - Google Patents
地下式低温貯槽の解体方法 Download PDFInfo
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- JP4160926B2 JP4160926B2 JP2004125637A JP2004125637A JP4160926B2 JP 4160926 B2 JP4160926 B2 JP 4160926B2 JP 2004125637 A JP2004125637 A JP 2004125637A JP 2004125637 A JP2004125637 A JP 2004125637A JP 4160926 B2 JP4160926 B2 JP 4160926B2
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- storage tank
- dome roof
- suspended ceiling
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- crane
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Description
ドーム屋根の下に吊天井が吊り下げられた形式の地下式低温貯槽の解体方法であって、
貯槽内に水を注入して、その水面の上に浮きを設置し、
次いで、貯槽内の水位を上昇させて、浮きの浮力で吊天井の荷重を支持し、
その状態で、吊天井の上面側を足場にして、吊天井をドーム屋根から切離すこと、
を特徴とする。
Claims (3)
- ドーム屋根の下に吊天井が吊り下げられた形式の地下式低温貯槽の解体方法であって、
貯槽内に水を注入して、その水面の上に浮きを設置し、
次いで、貯槽内の水位を上昇させて、浮きの浮力で吊天井の荷重を支持し、
その状態で、吊天井の上面側を足場にして、吊天井をドーム屋根から切離すこと、
を特徴とする地下式低温貯槽の解体方法。 - 前記吊天井を前記ドーム屋根から切離した後、前記ドーム屋根の頂点部分をクレーンで吊り下げた状態で円形にくり抜いて、クレーンで回収し、
次いで、このくり抜かれた円形の外側に位置する、より大きな径の同心円を外周とするリング状の部分を、クレーンで吊り下げた状態で一部づつ扇形に切断してクレーンで回収し、これを繰り返すことによって当該リング状の部分を全て切断して撤去し、
この作業を、同心円の径を段階的に増やしながら、前記ドーム屋根の外周に到達するまで繰り返し、それによって、前記ドーム屋根をそれ自体の剛性で自立させた状態のまま解体して撤去すること、
を特徴とする請求項1に記載の地下式低温貯槽の解体方法。 - 前記ドーム屋根を撤去した後、貯槽内の水位を徐々に下降させながら、前記吊天井の上面側を足場にして、貯槽の側壁面に取り付けられている内装部材を取り外して撤去することを特徴とする請求項2に記載の地下式低温貯槽の解体方法。
Priority Applications (1)
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JP2004125637A JP4160926B2 (ja) | 2004-04-21 | 2004-04-21 | 地下式低温貯槽の解体方法 |
Applications Claiming Priority (1)
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JP2004125637A JP4160926B2 (ja) | 2004-04-21 | 2004-04-21 | 地下式低温貯槽の解体方法 |
Publications (2)
Publication Number | Publication Date |
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JP2005307552A JP2005307552A (ja) | 2005-11-04 |
JP4160926B2 true JP4160926B2 (ja) | 2008-10-08 |
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JP2004125637A Expired - Fee Related JP4160926B2 (ja) | 2004-04-21 | 2004-04-21 | 地下式低温貯槽の解体方法 |
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JP (1) | JP4160926B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5770571B2 (ja) * | 2011-09-05 | 2015-08-26 | 鹿島建設株式会社 | 貯蔵タンクの解体方法 |
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