JP4623577B2 - 場所打ち杭の構築方法 - Google Patents
場所打ち杭の構築方法 Download PDFInfo
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- JP4623577B2 JP4623577B2 JP2005177475A JP2005177475A JP4623577B2 JP 4623577 B2 JP4623577 B2 JP 4623577B2 JP 2005177475 A JP2005177475 A JP 2005177475A JP 2005177475 A JP2005177475 A JP 2005177475A JP 4623577 B2 JP4623577 B2 JP 4623577B2
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Description
この発明の目的は、コンクリート打設前の積極的なスライム除去作業を実施せずとも、その影響を無くすことができ、しかも高品質の杭体を得ることができる場所打ち杭の構築方法を提供することにある。
すなわち、この発明は、杭孔を掘削する工程と、
前記杭孔の底部に根固め液を供給し、杭孔底部のスライムと撹拌混合して根固め層を形成する工程と、
先端部に既製杭部材が設けられた鉄筋籠であって、前記既製杭部材が前記根固め層に入り込み、かつその上端部が前記根固め層から突出して後記コンクリート層に入り込むように、前記杭孔に鉄筋籠を建て込む工程と、
前記根固め層上の、前記既製杭部材の前記突出部分に新たなスライム層が形成されるようにしてこれを除去することなく、前記杭孔にコンクリートを打設してコンクリート層を形成する工程と
を備えてなる場所打ち杭の構築方法にある。
。
2 杭孔
2a 拡径孔
3 拡大掘削翼
4 支持層
5 根固め層
6 鉄筋籠
7 既製杭部材
9 コンクリート層
10 スライム層
11 節部
Claims (1)
- 杭孔を掘削する工程と、
前記杭孔の底部に根固め液を供給し、杭孔底部のスライムと撹拌混合して根固め層を形成する工程と、
先端部に既製杭部材が設けられた鉄筋籠であって、前記既製杭部材が前記根固め層に入り込み、かつその上端部が前記根固め層から突出して後記コンクリート層に入り込むように、前記杭孔に鉄筋籠を建て込む工程と、
前記根固め層上の、前記既製杭部材の前記突出部分に新たなスライム層が形成されるようにしてこれを除去することなく、前記杭孔にコンクリートを打設してコンクリート層を形成する工程と
を備えてなる場所打ち杭の構築方法。
Priority Applications (1)
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JP2005177475A JP4623577B2 (ja) | 2005-06-17 | 2005-06-17 | 場所打ち杭の構築方法 |
Applications Claiming Priority (1)
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JP2005177475A JP4623577B2 (ja) | 2005-06-17 | 2005-06-17 | 場所打ち杭の構築方法 |
Publications (2)
Publication Number | Publication Date |
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JP2006348637A JP2006348637A (ja) | 2006-12-28 |
JP4623577B2 true JP4623577B2 (ja) | 2011-02-02 |
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JP2005177475A Active JP4623577B2 (ja) | 2005-06-17 | 2005-06-17 | 場所打ち杭の構築方法 |
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JP (1) | JP4623577B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101125173B1 (ko) * | 2009-09-15 | 2012-03-19 | 강원대학교산학협력단 | 부마찰 저감용 말뚝, 이를 이용한 말뚝기초 구조물 및 그 시공방법 |
CN114808933A (zh) * | 2022-04-12 | 2022-07-29 | 贵州建工集团第一建筑工程有限责任公司 | 基于嵌岩钻孔灌注桩沉渣问题处理的高压注浆施工工法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131008A (ja) * | 1974-09-07 | 1976-03-16 | Toyojiro Kozuki | Kisokuisekokoho |
JPS5214005A (en) * | 1975-06-06 | 1977-02-02 | Takenaka Komuten Co | Method of forming casttin place concrete pile |
JPS63226408A (ja) * | 1986-10-17 | 1988-09-21 | Mitani Sekisan Kk | 現場くい構築方法 |
JPH04146324A (ja) * | 1990-10-09 | 1992-05-20 | Takenaka Komuten Co Ltd | 場所打ちコンクリート杭の施工方法 |
-
2005
- 2005-06-17 JP JP2005177475A patent/JP4623577B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5131008A (ja) * | 1974-09-07 | 1976-03-16 | Toyojiro Kozuki | Kisokuisekokoho |
JPS5214005A (en) * | 1975-06-06 | 1977-02-02 | Takenaka Komuten Co | Method of forming casttin place concrete pile |
JPS63226408A (ja) * | 1986-10-17 | 1988-09-21 | Mitani Sekisan Kk | 現場くい構築方法 |
JPH04146324A (ja) * | 1990-10-09 | 1992-05-20 | Takenaka Komuten Co Ltd | 場所打ちコンクリート杭の施工方法 |
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JP2006348637A (ja) | 2006-12-28 |
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