JP5022957B2 - 地盤改良用の掘削攪拌装置 - Google Patents
地盤改良用の掘削攪拌装置 Download PDFInfo
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- JP5022957B2 JP5022957B2 JP2008072794A JP2008072794A JP5022957B2 JP 5022957 B2 JP5022957 B2 JP 5022957B2 JP 2008072794 A JP2008072794 A JP 2008072794A JP 2008072794 A JP2008072794 A JP 2008072794A JP 5022957 B2 JP5022957 B2 JP 5022957B2
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- rotation
- blades
- blade
- flange
- stirring
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- 238000009412 basement excavation Methods 0.000 title description 5
- 238000003756 stirring Methods 0.000 claims description 31
- 238000005553 drilling Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Description
2…掘削翼
3A…長い回転攪拌翼
3B…短い回転攪拌翼
4…土台リング
5…外管
6…供回り防止翼
7…抵抗フランジ
8…攪拌翼
Claims (1)
- 駆動装置によって回転させる回転軸(1)の先端部には掘削翼(2)および間隔をおいて複数の回転攪拌翼(3A)が突設され、前記掘削翼(2)と少なくとも最上段の回転攪拌翼(3A)との間に上下間隔をおいて上下の土台リング(4)が設けられ、前記上下の土台リング(4)間にさらに、それぞれ上下の外管(5)を利用して上下間隔をおいてコ状の供回り防止翼(6)が固定してあり、前記上下の供回り防止翼(6)のそれぞれの縦辺間を連結する形で、前記上下の供回り防止翼(6)の縦辺より径方向外側に抵抗フランジ(7)が突設され、この抵抗フランジ(7)は穿孔内壁に食い込んだ状態とされ、前記上下のコ状の供回り防止翼(6)にはそれぞれ上下の横辺の間に短い一対の短尺回転攪拌翼(3B)を設け、前記抵抗フランジ(7)間には前記短尺回転攪拌翼(3B)より長い二対の回転攪拌翼(3A)を設けてあることを特徴とする地盤改良用の掘削攪拌装置。
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JP2008072794A JP5022957B2 (ja) | 2008-03-21 | 2008-03-21 | 地盤改良用の掘削攪拌装置 |
Applications Claiming Priority (1)
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JP2008072794A JP5022957B2 (ja) | 2008-03-21 | 2008-03-21 | 地盤改良用の掘削攪拌装置 |
Publications (2)
Publication Number | Publication Date |
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JP2009228246A JP2009228246A (ja) | 2009-10-08 |
JP5022957B2 true JP5022957B2 (ja) | 2012-09-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008072794A Active JP5022957B2 (ja) | 2008-03-21 | 2008-03-21 | 地盤改良用の掘削攪拌装置 |
Country Status (1)
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JP (1) | JP5022957B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6700009B2 (ja) * | 2015-09-02 | 2020-05-27 | 旭化成ホームズ株式会社 | 地盤改良装置 |
JP6661456B2 (ja) * | 2016-04-25 | 2020-03-11 | 株式会社テノックス | 鋼管ソイルセメント杭施工用掘削撹拌ヘッド |
JP7370212B2 (ja) * | 2019-10-16 | 2023-10-27 | 株式会社安藤・間 | 回転削孔施工における孔曲り修正方法及び装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6078013A (ja) * | 1983-10-06 | 1985-05-02 | Tenotsukusu:Kk | 地盤改良機における切削土の混合撹拌翼装置 |
JPH063015B2 (ja) * | 1987-06-26 | 1994-01-12 | 一治 藤戸 | 共回り防止強制撹拌装置 |
JP3238213B2 (ja) * | 1992-10-14 | 2001-12-10 | 日本コンクリート工業株式会社 | 地盤改良用混合攪拌装置 |
JP3962042B2 (ja) * | 2004-07-26 | 2007-08-22 | 株式会社シロタ | 地盤改良用攪拌ヘッド |
JP2006316515A (ja) * | 2005-05-13 | 2006-11-24 | Traverse:Kk | 地盤改良用の掘削攪拌装置 |
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2008
- 2008-03-21 JP JP2008072794A patent/JP5022957B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2009228246A (ja) | 2009-10-08 |
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