JP4837618B2 - ケーソンの圧入工法 - Google Patents
ケーソンの圧入工法 Download PDFInfo
- Publication number
- JP4837618B2 JP4837618B2 JP2007121360A JP2007121360A JP4837618B2 JP 4837618 B2 JP4837618 B2 JP 4837618B2 JP 2007121360 A JP2007121360 A JP 2007121360A JP 2007121360 A JP2007121360 A JP 2007121360A JP 4837618 B2 JP4837618 B2 JP 4837618B2
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- Prior art keywords
- caisson
- press
- flat plate
- housing
- caisson housing
- 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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- 238000000034 method Methods 0.000 title claims description 44
- 238000009412 basement excavation Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000002689 soil Substances 0.000 description 8
- 239000004567 concrete Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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- Foundations (AREA)
Description
3…ケーソン躯体 3a…隔壁
4…支圧盤
5…反力桁 6…圧入ジャッキ
7…刃口金物 8…皿板
9…ボーリングマシン 10…クラムシェルのバケット
11…水中底版コンクリート 12…ガイド溝
13…平板 14…支持部
15…補強フレーム 16…棒状体
17…開口
Claims (5)
- ケーソン躯体の近傍に設置したグランドアンカーを反力として、圧入ジャッキでケーソン躯体を圧入沈設するケーソンの圧入工法において、ケーソン躯体に形成したガイド溝に沿って鋼板等の平板をケーソン躯体の内方先端の掘削盤に向けて落とし込み、この平板を固定して圧入沈下するケーソン躯体の支持をなさしめることを特徴とするケーソンの圧入工法。
- 平板の固定は、ケーソン躯体に形成したガイド溝に沿って棒状体を落とし込み、ガイド溝内の平板支持部を上から押さえ込む請求項1記載のケーソンの圧入工法。
- 平板には、強度を持たせるため、補強フレームを添設する請求項1または請求項2記載のケーソンの圧入工法。
- 平板とケーソン躯体との間、または/および、平板相互間に開口を有し、この開口を介して土砂を掘削する請求項1ないし請求項3のいずれかに記載のケーソンの圧入工法。
- ケーソン躯体の沈設は、ケーソン躯体1ロッド分を1回又は複数回に分けて行い、掘削盤に向けて落とし込む平板の設置位置は、1回の沈設予定高さ分だけ沈設完了位置より高い位置に設置しておき、掘削後の1回の沈設高さを、掘削盤に平板が当接する沈設完了位置まで制御する請求項1ないし請求項4のいずれかに記載のケーソンの圧入工法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007121360A JP4837618B2 (ja) | 2007-05-02 | 2007-05-02 | ケーソンの圧入工法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007121360A JP4837618B2 (ja) | 2007-05-02 | 2007-05-02 | ケーソンの圧入工法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008274681A JP2008274681A (ja) | 2008-11-13 |
JP4837618B2 true JP4837618B2 (ja) | 2011-12-14 |
Family
ID=40052971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007121360A Active JP4837618B2 (ja) | 2007-05-02 | 2007-05-02 | ケーソンの圧入工法 |
Country Status (1)
Country | Link |
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JP (1) | JP4837618B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104032764A (zh) * | 2014-06-13 | 2014-09-10 | 上海市基础工程集团有限公司 | 压入式沉井反力*** |
US11078788B1 (en) * | 2020-07-08 | 2021-08-03 | Ician Engineering Contractors Co., Ltd. | Apparatus and method for sinking concrete shaft |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5774434A (en) * | 1980-10-28 | 1982-05-10 | Taisei Corp | Sinking method for open claisson |
JP4316047B2 (ja) * | 1999-04-27 | 2009-08-19 | ヤマハ化工建設株式会社 | ケーソン工法 |
JP4504166B2 (ja) * | 2004-11-19 | 2010-07-14 | 靖子 長谷川 | 反力装置 |
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2007
- 2007-05-02 JP JP2007121360A patent/JP4837618B2/ja active Active
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Publication number | Publication date |
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JP2008274681A (ja) | 2008-11-13 |
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