JP5485810B2 - 注入工法および装置 - Google Patents
注入工法および装置 Download PDFInfo
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- JP5485810B2 JP5485810B2 JP2010142605A JP2010142605A JP5485810B2 JP 5485810 B2 JP5485810 B2 JP 5485810B2 JP 2010142605 A JP2010142605 A JP 2010142605A JP 2010142605 A JP2010142605 A JP 2010142605A JP 5485810 B2 JP5485810 B2 JP 5485810B2
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- injection
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Description
3 リングビット 3a 凸部
4 先端シュー
5 インナービット 5a 凹部
6 ボーリングロッド
7 ボーリング用内管 8 注入用内管
9 パッカー部 10 パッカー用ホース
11 中空の注入管 12 吐出口
14 パッカーラバー 15 パッカー部
16 逆流防止用カバー
Claims (3)
- 外周面に複数のスリットを周方向に適宜間隔で形成し、かつ、前記スリットを上下方向に間隔を存して形成した中空の注入外管にパッカー部を有する注入用内管を挿入し、該注入外管の注入箇所とする前記スリットを前記パッカー部で内部から押圧することによりスリットを開口させて吐出口とし、当該吐出口の上部のスリットを前記パッカー部で内部から押圧することにより注入外管を拡径して外管パッカーを形成し、注入用内管先端部から前記吐出口を通して対象となる地盤にグラウト材を注入することを特徴とする注入工法。
- 外管パッカーを形成する部分は伸縮性に富むゴム等でスリット外周を密閉する請求項1の注入工法。
- 請求項1の注入工法に使用する装置であり、外周面に複数のスリットを周方向に適宜間隔で形成し、かつ、前記スリットを上下方向に間隔を存して形成した中空の注入外管と。先端部よりグラウト材を注入外管内部に圧送するパッカー部付き注入用内管とからなることを特徴とする注入装置。
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JP2010142605A JP5485810B2 (ja) | 2010-06-23 | 2010-06-23 | 注入工法および装置 |
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JP2010142605A JP5485810B2 (ja) | 2010-06-23 | 2010-06-23 | 注入工法および装置 |
Publications (2)
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JP2012007329A JP2012007329A (ja) | 2012-01-12 |
JP5485810B2 true JP5485810B2 (ja) | 2014-05-07 |
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JP2010142605A Active JP5485810B2 (ja) | 2010-06-23 | 2010-06-23 | 注入工法および装置 |
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JP (1) | JP5485810B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101598119B1 (ko) * | 2015-04-08 | 2016-02-26 | (주)재우그라운드테크 | 몰탈그라우트 주입기구를 이용한 점조성 조정 액상그라우트가 부배합된 몰탈그라우트의 압력다짐주입에 의한 지중기초구축공법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101698457B1 (ko) * | 2016-06-29 | 2017-01-23 | 주식회사 보강테크 | 연약지반 강화를 위한 다중말뚝 시공방법 |
KR101851337B1 (ko) * | 2017-11-06 | 2018-04-24 | 한국건설기술연구원 | 고유동성 고성능 콘크리트 및 저유동성 고성능 콘크리트의 일괄 타설 방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2728363B2 (ja) * | 1994-04-18 | 1998-03-18 | 建設省土木研究所長 | グラウト注入方法および装置 |
JP2005314938A (ja) * | 2004-04-28 | 2005-11-10 | Kyokado Eng Co Ltd | 薬液注入装置およびそれを用いた地盤強化方法 |
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2010
- 2010-06-23 JP JP2010142605A patent/JP5485810B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101598119B1 (ko) * | 2015-04-08 | 2016-02-26 | (주)재우그라운드테크 | 몰탈그라우트 주입기구를 이용한 점조성 조정 액상그라우트가 부배합된 몰탈그라우트의 압력다짐주입에 의한 지중기초구축공법 |
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JP2012007329A (ja) | 2012-01-12 |
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