JP4762618B2 - 杭基礎構造およびその施工方法 - Google Patents
杭基礎構造およびその施工方法 Download PDFInfo
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- JP4762618B2 JP4762618B2 JP2005192063A JP2005192063A JP4762618B2 JP 4762618 B2 JP4762618 B2 JP 4762618B2 JP 2005192063 A JP2005192063 A JP 2005192063A JP 2005192063 A JP2005192063 A JP 2005192063A JP 4762618 B2 JP4762618 B2 JP 4762618B2
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2 水平抵抗体
3 支持地盤
4 鉛直支持体
5 スライド板(スライド部材)
6 杭孔
7 拡径孔
8 既製杭
9 固化材
10 地中梁
Claims (3)
- 上部構造物の下部地盤に径を大きくして周囲の地盤に対する受働抵抗を大きくし、作用する水平力に充分抵抗できる曲げ剛性を有する水平抵抗体を配置し、当該水平抵抗体の下方に当該水平抵抗体と直列に前記水平抵抗体より小径の既製杭からなる鉛直支持体を配置し、当該鉛直支持体と前記水平抵抗体との境界部に前記水平抵抗体の下面の大きさ形状とほぼ等しく、周縁部に下方に向けたストッパー用の突縁を設けたスライド部材を介在させたことを特徴とする杭基礎構造。
- 水平抵抗体に拡径部を形成したことを特徴とする請求項1記載の杭基礎構造。
- 水平抵抗体と当該水平抵抗体の下方に当該水平抵抗体と直列に配置された鉛直支持体とから、当該鉛直支持体と前記水平抵抗体との境界部をスライド可能に構成してなる杭基礎構造の施工方法において、地盤中に杭孔を削孔し、当該杭孔内に既製杭による鉛直支持体を前記水平抵抗体の下面まで連続して施工し、当該鉛直支持体の上側を当該鉛直支持体の外径より大きい内径の拡径穴に掘削し、当該鉛直支持体の上に前記水平抵抗体の下面の大きさ形状とほぼ等しい径のスライド部材を設置し、当該スライド部材の上側に前記鉛直支持体より大きい径の水平抵抗体を施工することを特徴とする杭基礎構造の施工方法。
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JP2005192063A JP4762618B2 (ja) | 2005-06-30 | 2005-06-30 | 杭基礎構造およびその施工方法 |
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JP2005192063A JP4762618B2 (ja) | 2005-06-30 | 2005-06-30 | 杭基礎構造およびその施工方法 |
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JP2007009547A JP2007009547A (ja) | 2007-01-18 |
JP4762618B2 true JP4762618B2 (ja) | 2011-08-31 |
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JP2005192063A Active JP4762618B2 (ja) | 2005-06-30 | 2005-06-30 | 杭基礎構造およびその施工方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5124180B2 (ja) * | 2007-06-25 | 2013-01-23 | 株式会社竹中工務店 | 地盤改良壁に水平力を分担させる杭基礎構造 |
JP5109531B2 (ja) * | 2007-08-20 | 2012-12-26 | Jfeスチール株式会社 | 二重管式の杭頭構造 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02183009A (ja) * | 1989-01-09 | 1990-07-17 | Taisei Corp | 地震で変位する杭とその施工方法 |
JP3064887B2 (ja) * | 1995-10-17 | 2000-07-12 | 株式会社大林組 | 杭の免震構造 |
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