JP4134089B2 - 地下構造物の施工法 - Google Patents
地下構造物の施工法 Download PDFInfo
- Publication number
- JP4134089B2 JP4134089B2 JP2005116922A JP2005116922A JP4134089B2 JP 4134089 B2 JP4134089 B2 JP 4134089B2 JP 2005116922 A JP2005116922 A JP 2005116922A JP 2005116922 A JP2005116922 A JP 2005116922A JP 4134089 B2 JP4134089 B2 JP 4134089B2
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- Prior art keywords
- box
- roof
- construction method
- pit
- concrete box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 title claims description 31
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 description 13
- 239000004576 sand Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Description
3 発進坑 4 到達坑
5 推進機 6 箱型ルーフ
6a,6b 鉤状の継手 7 フリクションカッタープレート
8 反力壁 9 コンクリート函体
10 元押しジャッキ 11 刃口
12 小ジャッキ 13 支持材
14 止め部材 15 受台
16 ストラット 17 腹起こし材
18 タイロット材 19 土留部材
20 発進台 21 反力体
22 反力杭 23 反力壁
24 牽引ジャッキ 25 牽引ケーブル
26 定着装置
Claims (1)
- 牽引しようとする函体の外形に対応するように箱型ルーフを四角形状に組み配置して、発進坑から地中に圧入した後、前記箱型ルーフ端部に函体の先端部を配置するとともに箱型ルーフで囲まれた切羽部には土留部材を配設し、到達坑側からの函体の牽引と同時に箱型ルーフも押出し、さらに切羽部の掘削は行わず、箱型ルーフを押出すときに同時に箱型ルーフで囲まれた部分に配設し、タイロット材で相互に結合して固定された土留部材を押出すことにより函体前方の土砂も同時に押出すことを特徴とする地下構造物の施工法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005116922A JP4134089B2 (ja) | 2005-04-14 | 2005-04-14 | 地下構造物の施工法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005116922A JP4134089B2 (ja) | 2005-04-14 | 2005-04-14 | 地下構造物の施工法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006291649A JP2006291649A (ja) | 2006-10-26 |
JP4134089B2 true JP4134089B2 (ja) | 2008-08-13 |
Family
ID=37412499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005116922A Active JP4134089B2 (ja) | 2005-04-14 | 2005-04-14 | 地下構造物の施工法 |
Country Status (1)
Country | Link |
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JP (1) | JP4134089B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4759532B2 (ja) * | 2007-03-23 | 2011-08-31 | 株式会社奥村組 | 既設地下構造物の拡幅方法 |
JP5976728B2 (ja) * | 2014-07-17 | 2016-08-24 | 植村 誠 | 既設構造物の拡幅工法 |
JP6434372B2 (ja) * | 2015-06-04 | 2018-12-05 | 植村 誠 | 既設構造物の撤去工法 |
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2005
- 2005-04-14 JP JP2005116922A patent/JP4134089B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2006291649A (ja) | 2006-10-26 |
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