JP3895363B1 - 新設基礎構造 - Google Patents
新設基礎構造 Download PDFInfo
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- JP3895363B1 JP3895363B1 JP2006074956A JP2006074956A JP3895363B1 JP 3895363 B1 JP3895363 B1 JP 3895363B1 JP 2006074956 A JP2006074956 A JP 2006074956A JP 2006074956 A JP2006074956 A JP 2006074956A JP 3895363 B1 JP3895363 B1 JP 3895363B1
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Abstract
【解決手段】地盤11のフーチング構築予定位置の周囲に環状の地中壁13を埋設し、この環状の地中壁13内に先端14aが所定位置12まで打ち込まれた複数の杭14の頭部14bにフーチング15を構築して成る新設基礎構造10において、環状の地中壁13を複数の杭14の水平抵抗に有効な範囲の深度まで埋設すると共に、該環状の地中壁13内の地盤11を複数の杭14の水平抵抗に有効な範囲の深度まで固化改良した。この固化改良部分を符号Aで示す。
【選択図】図1
Description
11 地盤
12 支持層(所定位置)
13 四角筒状の鋼矢板壁(環状の地中壁)
13a 内周面(内面)
14 杭
14a 先端
14b 頭部
15 フーチング
15a 外周面
A 固化改良部分
D 間詰め改良部分
Claims (3)
- 地盤のフーチング構築予定位置の周囲に環状の地中壁を埋設し、この環状の地中壁内に先端が所定位置まで打ち込まれた複数の杭の頭部にフーチングを構築して成る新設基礎構造において、
前記環状の地中壁を前記複数の杭の水平抵抗に有効な範囲の深度まで埋設すると共に、該環状の地中壁内の地盤を前記複数の杭の水平抵抗に有効な範囲の深度まで固化改良し、かつ前記複数の杭と前記固化改良部分との隙間に間詰め材を充填したことを特徴とする新設基礎構造。 - 地盤のフーチング構築予定位置の周囲に環状の地中壁を埋設し、この環状の地中壁内に先端が所定位置まで打ち込まれた複数の杭の頭部にフーチングを構築して成る新設基礎構造において、
前記環状の地中壁を前記複数の杭の水平抵抗に有効な範囲の深度まで埋設すると共に、該環状の地中壁内の地盤を前記複数の杭の水平抵抗に有効な範囲の深度まで固化改良し、かつ前記環状の地中壁の内面と前記固化改良部分との間の間詰め部分を更に固化改良すると共に、前記複数の杭と前記固化改良部分との隙間に間詰め材を充填したことを特徴とする新設基礎構造。 - 地盤のフーチング構築予定位置の周囲に環状の地中壁を埋設し、この環状の地中壁内に先端が所定位置まで打ち込まれた複数の杭の頭部にフーチングを構築して成る新設基礎構造において、
前記環状の地中壁を前記複数の杭の水平抵抗に有効な範囲の深度まで埋設すると共に、該環状の地中壁の内側と外側の地盤を前記複数の杭の水平抵抗に有効な範囲の深度まで固化改良し、かつ前記複数の杭と前記環状の地中壁の内側の固化改良部分との隙間に間詰め材を充填したことを特徴とする新設基礎構造。
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JP2006074956A JP3895363B1 (ja) | 2006-03-17 | 2006-03-17 | 新設基礎構造 |
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JP3895363B1 true JP3895363B1 (ja) | 2007-03-22 |
JP2007247339A JP2007247339A (ja) | 2007-09-27 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5075094B2 (ja) * | 2008-10-30 | 2012-11-14 | 公益財団法人鉄道総合技術研究所 | 構造物における基礎構造の施工方法および基礎構造 |
JP5406628B2 (ja) * | 2009-08-18 | 2014-02-05 | 株式会社竹中工務店 | 場所打ち杭設置方法 |
JP6306977B2 (ja) * | 2014-08-20 | 2018-04-04 | 鹿島建設株式会社 | 立坑構築方法 |
JP2019073886A (ja) * | 2017-10-16 | 2019-05-16 | 東日本旅客鉄道株式会社 | 構造物群の振動変位抑制構造 |
JP7359515B2 (ja) * | 2019-09-20 | 2023-10-11 | 株式会社竹中土木 | 地中構造物の液状化対策構造 |
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JP3515567B1 (ja) * | 2002-10-02 | 2004-04-05 | 幸武 塩井 | 構造物の耐震補強構造 |
JP2004162426A (ja) * | 2002-11-14 | 2004-06-10 | Ishikawajima Harima Heavy Ind Co Ltd | 基礎セル及びセル基礎構造並びにセル基礎構造の施工方法 |
JP3639294B1 (ja) * | 2003-12-22 | 2005-04-20 | 幸武 塩井 | 構造物の耐震補強構造 |
JP4336828B2 (ja) * | 2004-03-31 | 2009-09-30 | 幸武 塩井 | 基礎構造物 |
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