JP2008045327A - 拡頭杭の施工方法 - Google Patents
拡頭杭の施工方法 Download PDFInfo
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- JP2008045327A JP2008045327A JP2006221587A JP2006221587A JP2008045327A JP 2008045327 A JP2008045327 A JP 2008045327A JP 2006221587 A JP2006221587 A JP 2006221587A JP 2006221587 A JP2006221587 A JP 2006221587A JP 2008045327 A JP2008045327 A JP 2008045327A
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- pile
- head
- hole
- construction
- casing
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- 238000010276 construction Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000005553 drilling Methods 0.000 claims description 14
- 239000002689 soil Substances 0.000 abstract description 9
- 238000009412 basement excavation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
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- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
【解決手段】外周にらせん翼2aを有するケーシング2とケーシング2を貫通する掘削ロッド3を回転させながらに地中に挿入して杭施工用孔4を削孔する。次に、ケーシング2を回転させながら引き抜いて杭施工用孔4の上部を切削することにより杭施工用孔4の上部に拡径部4aを形成する。次に、ケーシング2をガイドにして杭施工用孔4に既製杭を立て込んで拡頭杭1の本体部分1bを形成する。次に、ケーシング2を撤去し、その後の拡径部4aに拡頭杭1の拡頭部分1aを形成する。
【選択図】図1
Description
1a 拡頭杭の拡頭部分
1b 拡頭杭の本体部分
2 ケーシング
2a らせん翼(掘削手段)
3 掘削ロッド
4 杭施工用孔
4a 拡径部
Claims (3)
- プレボーリング工法による拡頭杭の施工方法であって、外周上部に掘削手段を有するケーシングと当該ケーシングを貫通する掘削ロッドを回転させながら地中に挿入して杭施工用孔を削孔する工程と、前記ケーシングの掘削手段により前記杭施工用孔の上部を切削することにより前記杭施工用孔の上部に拡径部を形成する工程と、前記ケーシングをガイドにして前記杭施工用孔に既製杭を立て込んで前記拡頭杭の本体部分を形成する工程と、前記ケーシングを撤去する工程と、前記拡径部に前記拡頭杭の拡頭部分を形成する工程とを有することを特徴とする拡頭杭の施工方法。
- 掘削手段はらせん翼であることを特徴とする請求項1記載の拡頭杭の施工方法。
- 拡頭部分は既製杭で形成することを特徴とする請求項1または2記載の拡頭杭の施工方法。
Priority Applications (1)
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JP2006221587A JP4928192B2 (ja) | 2006-08-15 | 2006-08-15 | 拡頭杭の施工方法 |
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JP2006221587A JP4928192B2 (ja) | 2006-08-15 | 2006-08-15 | 拡頭杭の施工方法 |
Publications (2)
Publication Number | Publication Date |
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JP2008045327A true JP2008045327A (ja) | 2008-02-28 |
JP4928192B2 JP4928192B2 (ja) | 2012-05-09 |
Family
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JP2006221587A Active JP4928192B2 (ja) | 2006-08-15 | 2006-08-15 | 拡頭杭の施工方法 |
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JP (1) | JP4928192B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015187344A (ja) * | 2014-03-26 | 2015-10-29 | 三谷セキサン株式会社 | 既製杭の埋設構造、既製杭の埋設方法 |
JP2018003433A (ja) * | 2016-07-01 | 2018-01-11 | 西松建設株式会社 | 二重管杭の施工方法、及び二重管杭 |
KR101841250B1 (ko) * | 2017-02-02 | 2018-03-22 | 이엑스티 주식회사 | 토사 겔화에 의한 비배토 파일 시공 방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106087999B (zh) * | 2016-03-19 | 2019-05-24 | 王继忠 | 一种搅喷扩径加固桩的施工装置及其施工方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62253817A (ja) * | 1986-04-28 | 1987-11-05 | Nippon Concrete Ind Co Ltd | 拡頭杭を用いた既製コンクリ−ト杭の埋設工法 |
JPH09195270A (ja) * | 1996-01-18 | 1997-07-29 | Mitani Sekisan Co Ltd | 基礎杭の構築方法及び基礎杭 |
JP2004218303A (ja) * | 2003-01-16 | 2004-08-05 | Yoshitada Miyake | 杭の埋設方法及びその方法に用いる掘削装置 |
JP2006118215A (ja) * | 2004-10-21 | 2006-05-11 | Jfe Steel Kk | 拡頭杭の施工方法 |
JP2006132100A (ja) * | 2004-11-02 | 2006-05-25 | Jfe Steel Kk | 拡頭杭 |
-
2006
- 2006-08-15 JP JP2006221587A patent/JP4928192B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62253817A (ja) * | 1986-04-28 | 1987-11-05 | Nippon Concrete Ind Co Ltd | 拡頭杭を用いた既製コンクリ−ト杭の埋設工法 |
JPH09195270A (ja) * | 1996-01-18 | 1997-07-29 | Mitani Sekisan Co Ltd | 基礎杭の構築方法及び基礎杭 |
JP2004218303A (ja) * | 2003-01-16 | 2004-08-05 | Yoshitada Miyake | 杭の埋設方法及びその方法に用いる掘削装置 |
JP2006118215A (ja) * | 2004-10-21 | 2006-05-11 | Jfe Steel Kk | 拡頭杭の施工方法 |
JP2006132100A (ja) * | 2004-11-02 | 2006-05-25 | Jfe Steel Kk | 拡頭杭 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015187344A (ja) * | 2014-03-26 | 2015-10-29 | 三谷セキサン株式会社 | 既製杭の埋設構造、既製杭の埋設方法 |
JP2018003433A (ja) * | 2016-07-01 | 2018-01-11 | 西松建設株式会社 | 二重管杭の施工方法、及び二重管杭 |
KR101841250B1 (ko) * | 2017-02-02 | 2018-03-22 | 이엑스티 주식회사 | 토사 겔화에 의한 비배토 파일 시공 방법 |
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JP4928192B2 (ja) | 2012-05-09 |
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