JP5875650B1 - ハイブリッド杭装置 - Google Patents
ハイブリッド杭装置 Download PDFInfo
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- JP5875650B1 JP5875650B1 JP2014184279A JP2014184279A JP5875650B1 JP 5875650 B1 JP5875650 B1 JP 5875650B1 JP 2014184279 A JP2014184279 A JP 2014184279A JP 2014184279 A JP2014184279 A JP 2014184279A JP 5875650 B1 JP5875650 B1 JP 5875650B1
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Images
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
1A ハイブリッド杭
2 外筒
3 木杭
4 閉鎖コマ体
411 逆三角錐台本体
414 ねじ込み軸
413 ピン
415 外筒受けステージ
5 流動性固化材
6 被覆部
7 ハイブリッド杭建て込み構造
8、83 位置決め機構
9 上部スペーサ部
10、85 吊支機構
11、80 杭挿入筒体
111 ワイヤ係止部
13 吊支用ワイヤ
14 打ち込み補助具
16 杭打機
17 投入装置
tb 周状間隙
181 受け具
80 杭挿入筒体(第3実施形態)
83 位置決め機構
831 インサートナット
832 緩衝材
842 連結材
85 吊支機構
851 回転軸受部
Claims (7)
- 縦長中空の外筒と、
外筒の下端開口を閉鎖するように外筒に対して係止配置される閉鎖コマ体と、
閉鎖コマ体に下端を連結され外筒の内壁との間に周状間隙を設けるように筒壁から所要間隔をあけて外筒内中央部に配置される木杭と、
木杭を収容した外筒を地中に押下げ圧入させた状態で外筒と木杭との間隙に投入されて全長周状に木杭の被覆部を形成する流動性固化材と、
外筒と木杭との間隙への流動性固化材の投入後に外筒を地中から上方に引き抜いて形成される木杭と被覆部とを含むハイブリッド杭と、を備え、
閉鎖コマ体に木杭の下端を連結し、木杭を外筒内に挿入して外筒との間に周状間隙を形成するように外筒内中央部に木杭を位置決めする位置決め機構を備え,
閉鎖コマ体は、小径化部を下部に配置した逆三角錐台本体と、小径化部下端の中心から下方に突出するピンと、コマ体の上部中心から上方に突設して木杭の下端とねじ込み結合するねじ込み軸と、を備えたことを特徴とするハイブリッド杭装置。 - 閉鎖コマ体に木杭の下端を連結して木杭を外筒内に挿入し全体を縦長に組み付けた杭挿入筒体を吊支する吊支機構を備えたことを特徴とする請求項1記載のハイブリッド杭装置。
- 吊支機構は、縦長に組み付けた杭挿入筒体を1つの重機ブームにより吊支するワイヤ係止部を有することを特徴とする請求項2記載のハイブリッド杭装置。
- 閉鎖コマ体は、密度2,000kg/m 3 以上の下端方向に向けて小径化した錐台形状であることを特徴とする請求項1ないし3のいずれかに記載のハイブリッド杭装置。
- 閉鎖コマ体の下端から下方に向けて突出するワイヤ係止兼埋入方向安定化用ピンを有することを特徴とする請求項1ないし4のいずれかに記載のハイブリッド杭装置。
- 吊支機構は、杭挿入筒体下端に位置する閉鎖コマ体に係合し下から受けて均等なバランスで杭挿入筒体全体を吊支させる受け具を含むことを特徴とする請求項3ないし5のいずれかに記載のハイブリッド杭装置。
- 吊支機構は、外筒の長さと同じ長さであって、外筒上端側と閉鎖コマ体とにそれぞれ着脱自在に係合する軸体を含むことを特徴とする請求項3ないし6のいずれかに記載のハイブリッド杭装置。
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JP2014184279A JP5875650B1 (ja) | 2014-09-10 | 2014-09-10 | ハイブリッド杭装置 |
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JP5875650B1 true JP5875650B1 (ja) | 2016-03-02 |
JP2016056604A JP2016056604A (ja) | 2016-04-21 |
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Families Citing this family (1)
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KR102095205B1 (ko) * | 2018-01-25 | 2020-03-31 | (주)아리터 | 지반개량장치 및 시공방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5876640U (ja) * | 1981-11-16 | 1983-05-24 | 島貫 東助 | 杭引抜具 |
JP2002155530A (ja) * | 2000-09-08 | 2002-05-31 | Mitani Sekisan Co Ltd | 既製杭の埋設方法及び先端金具 |
JP2010121288A (ja) * | 2008-11-17 | 2010-06-03 | Tama Engineering Kk | 杭の回転圧入方法と同方法に用いる回転圧入杭 |
JP2012214993A (ja) * | 2011-03-31 | 2012-11-08 | Kanematsu Nnk Corp | 地盤補強工法 |
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2014
- 2014-09-10 JP JP2014184279A patent/JP5875650B1/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5876640U (ja) * | 1981-11-16 | 1983-05-24 | 島貫 東助 | 杭引抜具 |
JP2002155530A (ja) * | 2000-09-08 | 2002-05-31 | Mitani Sekisan Co Ltd | 既製杭の埋設方法及び先端金具 |
JP2010121288A (ja) * | 2008-11-17 | 2010-06-03 | Tama Engineering Kk | 杭の回転圧入方法と同方法に用いる回転圧入杭 |
JP2012214993A (ja) * | 2011-03-31 | 2012-11-08 | Kanematsu Nnk Corp | 地盤補強工法 |
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