JP4097671B2 - 地盤注入工法 - Google Patents
地盤注入工法 Download PDFInfo
- Publication number
- JP4097671B2 JP4097671B2 JP2006008276A JP2006008276A JP4097671B2 JP 4097671 B2 JP4097671 B2 JP 4097671B2 JP 2006008276 A JP2006008276 A JP 2006008276A JP 2006008276 A JP2006008276 A JP 2006008276A JP 4097671 B2 JP4097671 B2 JP 4097671B2
- Authority
- JP
- Japan
- Prior art keywords
- injection
- ground
- water
- bag
- holding material
- 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.)
- Active
Links
- 239000007924 injection Substances 0.000 title claims description 115
- 238000002347 injection Methods 0.000 title claims description 115
- 238000000034 method Methods 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 9
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012899 standard injection Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Description
1 注入管
2 外壁
3 袋パッカ
4 袋体
5 外管吐出口
6 地盤
7 削孔
8 透水性孔壁保持材
9 削孔壁
10 土中パッカ
11 外管
12 内管
13 内管吐出口
14 パッカ
15 ゴムスリーブ
16 水膨張性ゴム
17 地表面
18 不透水性部分
Claims (6)
- 注入管外壁に袋体を間隔をあけて複数個取りつけ、かつ袋体内部ならびに隣接する袋体間に外管吐出口の開孔された注入管装置を地盤の削孔中に挿入し、次いで前記袋体内部に開孔された外管吐出口から袋体中に硬化性懸濁液を填充し、膨らませて袋パッカを形成するとともに、隣接する袋パッカ間に開孔された外管吐出口から注入材を注入して前記地盤を固結する地盤注入工法において、前記隣接する袋パッカ間の注入管外壁に、部分的に不透水加工の施された透水性孔壁保持材を装着してなり、この保持材を通して注入材を、隣接する袋パッカ間の外管吐出口から地盤中に下方への流線を多くして注入量を下方に多く、注入することを特徴とする地盤注入工法。
- 請求項1において、前記注入管装置を地盤中に水平または斜めにボーリングされた削孔中に挿入し、かつ隣接する袋パッカ間の注入管外壁に、上方に、または斜め上方に部分的に不透水加工の施された透水性孔壁保持材を装着し、この保持材を通して下方向への流線を多くし、これにより注入量を下方向に多くして地盤中に注入することを特徴とする請求項1に記載の地盤注入工法。
- 請求項1において、前記透水性孔壁保持材に樹脂により部分的に目づまりを起して不透水加工を施す請求項1に記載の地盤注入工法。
- 請求項1において、前記透水性孔壁保持材に部分的に水膨張性ゴムを張りつけて不透水加工を施す請求項1に記載の地盤注入工法。
- 請求項1において、前記透水性孔壁保持材に部分的にシートを張りつけて不透水加工を施す請求項1に記載の地盤注入工法。
- 請求項5において、シートがポリウレタンゴムシートである請求項5に記載の地盤注入工法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006008276A JP4097671B2 (ja) | 2006-01-17 | 2006-01-17 | 地盤注入工法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006008276A JP4097671B2 (ja) | 2006-01-17 | 2006-01-17 | 地盤注入工法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007191856A JP2007191856A (ja) | 2007-08-02 |
JP4097671B2 true JP4097671B2 (ja) | 2008-06-11 |
Family
ID=38447772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006008276A Active JP4097671B2 (ja) | 2006-01-17 | 2006-01-17 | 地盤注入工法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4097671B2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5210849B2 (ja) * | 2008-12-18 | 2013-06-12 | 東亜建設工業株式会社 | 地盤改良薬液の注入方法および装置 |
JP5193963B2 (ja) * | 2009-07-08 | 2013-05-08 | 三信建設工業株式会社 | 注入管構造 |
JP5252732B2 (ja) * | 2009-07-16 | 2013-07-31 | ケミカルグラウト株式会社 | 円筒状弾性部材付きパイプ及びそれを用いた注入工法 |
JP2011074591A (ja) * | 2009-09-29 | 2011-04-14 | Kyokado Kk | 地盤注入用注入管および地盤注入工法 |
JP4737332B2 (ja) * | 2009-10-01 | 2011-07-27 | 強化土株式会社 | 地盤改良工法および地盤改良装置 |
JP4848553B2 (ja) * | 2009-12-22 | 2011-12-28 | 強化土株式会社 | 注入管装置および注入工法 |
JP2011132671A (ja) * | 2009-12-22 | 2011-07-07 | Toa Harbor Works Co Ltd | 地盤改良薬液の注入装置および方法 |
JP5649172B2 (ja) * | 2010-12-01 | 2015-01-07 | 株式会社不動テトラ | 地盤改良における注入材注入構造及びそれを用いた注入材注入方法 |
JP4827109B1 (ja) * | 2011-03-09 | 2011-11-30 | 強化土株式会社 | 注入管装置および地盤注入工法 |
JP4754658B2 (ja) * | 2011-04-18 | 2011-08-24 | 強化土株式会社 | 地盤改良工法および地盤改良装置 |
JP5163972B1 (ja) * | 2012-06-13 | 2013-03-13 | 強化土株式会社 | 注入管装置および注入工法 |
-
2006
- 2006-01-17 JP JP2006008276A patent/JP4097671B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2007191856A (ja) | 2007-08-02 |
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