JP4133898B2 - 掘進機の到達方法 - Google Patents
掘進機の到達方法 Download PDFInfo
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- JP4133898B2 JP4133898B2 JP2004096913A JP2004096913A JP4133898B2 JP 4133898 B2 JP4133898 B2 JP 4133898B2 JP 2004096913 A JP2004096913 A JP 2004096913A JP 2004096913 A JP2004096913 A JP 2004096913A JP 4133898 B2 JP4133898 B2 JP 4133898B2
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- Prior art keywords
- excavator
- cylinder
- outer diameter
- reaching
- wall
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Description
2 筒体
3 ゴムシール
4 コンクリート
5 注入孔
6 ワイヤ−
7 案内筒
8 遮断壁
9 掘進機
10 充填材
11 土留め壁
12 従来技術の到達坑口壁
13 流出土砂
Claims (1)
- 推進工法において掘進機を地中から安全に到達させるための到達方法であって、
掘進機の外径よりも大きな内径を有する筒体と、中央部に掘進機外径よりも小さな孔を有し周囲が筒体の後端に円周方向に固定されているリング状のゴムシールとを備える到達坑口壁を、到達立坑の土留め壁に固設し、
掘進機の外径と同じ外径または掘進機の外径よりも少し大きな内径を有し先端部分に遮断壁を設けてなる案内筒を、前記到達坑口壁内の後方から土留め壁の前方の地中まで挿通して設置するとともに、前記ゴムシールの孔を前記案内筒の後端に嵌挿し、
前記筒体の外周に設置した注入孔から筒体内周と案内筒外周の間の隙間に充填材を注入して待機させ、
前進してくる掘進機を案内筒で案内しながら到達させる、
ことを特徴とする、掘進機の到達方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004096913A JP4133898B2 (ja) | 2004-03-29 | 2004-03-29 | 掘進機の到達方法 |
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JP2004096913A JP4133898B2 (ja) | 2004-03-29 | 2004-03-29 | 掘進機の到達方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005282107A JP2005282107A (ja) | 2005-10-13 |
JP4133898B2 true JP4133898B2 (ja) | 2008-08-13 |
Family
ID=35180802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004096913A Expired - Fee Related JP4133898B2 (ja) | 2004-03-29 | 2004-03-29 | 掘進機の到達方法 |
Country Status (1)
Country | Link |
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JP (1) | JP4133898B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2913452B1 (fr) * | 2007-03-08 | 2009-06-12 | Eiffage Tp Soc Par Actions Sim | Dispositif et procede pour la mise en oeuvre de l'extraction etanche d'un tunnelier dans un puits |
JP6884579B2 (ja) * | 2017-01-23 | 2021-06-09 | 戸田建設株式会社 | 到達止水装置 |
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2004
- 2004-03-29 JP JP2004096913A patent/JP4133898B2/ja not_active Expired - Fee Related
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JP2005282107A (ja) | 2005-10-13 |
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