JP5083900B2 - 既設管の補修方法及び水中作業ボックス - Google Patents
既設管の補修方法及び水中作業ボックス Download PDFInfo
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- JP5083900B2 JP5083900B2 JP2008148689A JP2008148689A JP5083900B2 JP 5083900 B2 JP5083900 B2 JP 5083900B2 JP 2008148689 A JP2008148689 A JP 2008148689A JP 2008148689 A JP2008148689 A JP 2008148689A JP 5083900 B2 JP5083900 B2 JP 5083900B2
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- pipe
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- existing pipe
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1a 一端側
1b 他端側
1c 管端部
3 マンホール
5 水中作業ボックス
7 ボックス架台
13 エルボー管
15 水底
17 シール材
19 水中ポンプ
21 パイプライナー
23 ウインチ
51 ボックス底板
53 ボックス側板
55 作業空間
57 接続管
57a 管端部
59 フランジ
61 タラップ
63 張出部
65 スリーブ管
67 フランジ
71 天板
73 底板
75 支柱
77 架台脚
79 ジャッキベース
81 浮上防止部材
Claims (4)
- 一端側が水中に配設された既設管を補修する既設管の補修方法において、
上記水中内に、内部に水密性の保たれた作業空間が形成され、上記作業空間内へ連通可能にする接続管が設けられるとともに、下部に架台が着脱可能に取り付けられた水中作業ボックスを配置するボックス配置工程と、
上記水中作業ボックスの接続管を上記既設管の一端側に接続する接続工程と、
上記水中作業ボックスを上記架台から取り外し、上記架台に浮上防止部材を取り付け、上記水中作業ボックスを再び上記架台に取り付けてから、上記既設管内並びに上記作業空間内の水を排水する排水工程と、
上記既設管内に、パイプライナー又は新設管を挿入する挿入工程とを有すること
を特徴とする既設管の補修方法。 - 上記接続工程では、上記既設管と上記接続管とにおける何れか一方の管内に他方の管端部を挿し込むとともに、前記一方の管の管端部に止水処理を施すこと
を特徴とする請求項1に記載の既設管の補修方法。 - 上記接続工程では、上記既設管の管端部に設けられたフランジと、上記接続管の管端部に設けられたフランジとを互いに当接させて、これらを接合すること
を特徴とする請求項1に記載の既設管の補修方法。 - 請求項1〜3の何れか1項に記載の既設管の補修方法に用いられ、内部に水密性の保たれた作業空間が形成され、上記作業空間内へ連通可能にする接続管が設けられていること
を特徴とする水中作業ボックス。
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JP2008148689A JP5083900B2 (ja) | 2008-06-06 | 2008-06-06 | 既設管の補修方法及び水中作業ボックス |
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JP2008148689A JP5083900B2 (ja) | 2008-06-06 | 2008-06-06 | 既設管の補修方法及び水中作業ボックス |
Publications (2)
Publication Number | Publication Date |
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JP2009293715A JP2009293715A (ja) | 2009-12-17 |
JP5083900B2 true JP5083900B2 (ja) | 2012-11-28 |
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JP2008148689A Active JP5083900B2 (ja) | 2008-06-06 | 2008-06-06 | 既設管の補修方法及び水中作業ボックス |
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JP (1) | JP5083900B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108442396B (zh) * | 2018-05-22 | 2023-08-29 | 武汉市市政建设集团有限公司 | 一种水下折线导流结构及其施工方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5359216A (en) * | 1976-11-10 | 1978-05-27 | Sumikin Kokan Koji Kk | Method of laying steel pipe in spring water area by joining together |
JPS6135836Y2 (ja) * | 1977-12-13 | 1986-10-17 | ||
JPH11230412A (ja) * | 1998-02-20 | 1999-08-27 | Sekisui Chem Co Ltd | 既設管路の更生方法 |
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