JP3919731B2 - 地山補強工法およびこれに用いる注入装置 - Google Patents
地山補強工法およびこれに用いる注入装置 Download PDFInfo
- Publication number
- JP3919731B2 JP3919731B2 JP2003368017A JP2003368017A JP3919731B2 JP 3919731 B2 JP3919731 B2 JP 3919731B2 JP 2003368017 A JP2003368017 A JP 2003368017A JP 2003368017 A JP2003368017 A JP 2003368017A JP 3919731 B2 JP3919731 B2 JP 3919731B2
- Authority
- JP
- Japan
- Prior art keywords
- injection
- injection tube
- tunnel
- angle
- tube
- 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.)
- Expired - Lifetime
Links
- 238000002347 injection Methods 0.000 title claims description 117
- 239000007924 injection Substances 0.000 title claims description 117
- 238000000034 method Methods 0.000 title claims description 22
- 230000002787 reinforcement Effects 0.000 title claims description 16
- 238000009412 basement excavation Methods 0.000 claims description 37
- 238000001802 infusion Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 description 13
- 230000005484 gravity Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
2 トンネル円周
3 地山
4 注入管
5 改良部分
6 注入ボルト
10 クロスビット
11 ワイヤロッド
12,13 ジョイント部
Claims (2)
- 切羽よりトンネル円周に沿って斜め前方の地山に第1の進行角度で注入管を打設する第1工程と、前記注入管を打設途中から前記第1の進行角度よりトンネル掘削方向に近い第2の進行角度で打設する第2工程とを含み、前記注入管の打設は、注入管前方の開口部が注入管の中空部断面から偏心したものと、この注入管の中空部に挿通され先端部に削孔ビットを備えた注入ボルトとを用い、前記注入管の進行角度を第1の進行角度から第2の進行角度に変える際、前記注入管を回転させて前記注入管前方の開口部の偏心位置を変えることにより行うことを特徴とする地山補強工法。
- 前記第2の進行角度は、トンネル掘削方向に対して略平行であることを特徴とする請求項1記載の地山補強工法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003368017A JP3919731B2 (ja) | 2003-10-28 | 2003-10-28 | 地山補強工法およびこれに用いる注入装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003368017A JP3919731B2 (ja) | 2003-10-28 | 2003-10-28 | 地山補強工法およびこれに用いる注入装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005133347A JP2005133347A (ja) | 2005-05-26 |
JP3919731B2 true JP3919731B2 (ja) | 2007-05-30 |
Family
ID=34645850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003368017A Expired - Lifetime JP3919731B2 (ja) | 2003-10-28 | 2003-10-28 | 地山補強工法およびこれに用いる注入装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3919731B2 (ja) |
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2003
- 2003-10-28 JP JP2003368017A patent/JP3919731B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005133347A (ja) | 2005-05-26 |
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