JP6542036B2 - 杭基礎構造 - Google Patents
杭基礎構造 Download PDFInfo
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- JP6542036B2 JP6542036B2 JP2015111953A JP2015111953A JP6542036B2 JP 6542036 B2 JP6542036 B2 JP 6542036B2 JP 2015111953 A JP2015111953 A JP 2015111953A JP 2015111953 A JP2015111953 A JP 2015111953A JP 6542036 B2 JP6542036 B2 JP 6542036B2
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- pile
- foundation structure
- piles
- steel pipe
- hollow
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- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 238000010276 construction Methods 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 13
- 239000002689 soil Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000004567 concrete Substances 0.000 description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 238000005452 bending Methods 0.000 description 13
- 238000003466 welding Methods 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Landscapes
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Description
Claims (6)
- 掘削孔に中空既製杭を建て込んでなる杭基礎構造であって、前記中空既製杭の内側に隙間をあけて中空既製杭の内杭が装填された外杭と内杭からなる二重杭構造となっており、前記隙間は杭周固定液と掘削土砂との混合物で満たされ、前記混合物により前記外杭と前記内杭とが一体化していることを特徴とする杭基礎構造。
- 前記杭基礎構造は、前記外杭が複数の中空既製杭を継手部を介して接続してなるものであり、前記内杭は前記継手部を跨いで設置されていることを特徴とする請求項1に記載の杭基礎構造。
- 前記内杭は、外杭が上杭となる箇所に設置されており、前記内杭の上端は前記外杭の杭頭より突出していることを特徴とする請求項1又は2に記載の杭基礎構造。
- 前記隙間は20〜200mmであることを特徴とする請求項1〜3のいずれか一項に記載の杭基礎構造。
- 前記外杭は、上杭と下杭もしくは上杭と中杭と下杭からなり、少なくとも前記上杭はSC杭であることを特徴とする請求項1〜4のいずれか一項に記載の杭基礎構造。
- 前記内杭は、鋼管杭又はSC杭のいずれかであることを特徴とする請求項1〜5のいずれか一項に記載の杭基礎構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015111953A JP6542036B2 (ja) | 2015-06-02 | 2015-06-02 | 杭基礎構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2015111953A JP6542036B2 (ja) | 2015-06-02 | 2015-06-02 | 杭基礎構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016223208A JP2016223208A (ja) | 2016-12-28 |
JP6542036B2 true JP6542036B2 (ja) | 2019-07-10 |
Family
ID=57747554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015111953A Active JP6542036B2 (ja) | 2015-06-02 | 2015-06-02 | 杭基礎構造 |
Country Status (1)
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JP (1) | JP6542036B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110004907A (zh) * | 2019-03-27 | 2019-07-12 | 河海大学 | 微型钢管桩-沉管砂石桩联合地基加固的施工方法及其结构 |
JP7157720B2 (ja) * | 2019-09-13 | 2022-10-20 | 日本コンクリート工業株式会社 | 二重鋼管コンクリート杭およびその製造方法 |
CN113774906A (zh) * | 2021-07-29 | 2021-12-10 | 安徽省交通规划设计研究总院股份有限公司 | 一种扩引孔灌注充盈砂浆植入复合截面空心桩施工工艺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59126821A (ja) * | 1983-01-10 | 1984-07-21 | Aoki Kensetsu:Kk | 基礎杭の建込み工法 |
JPH08184037A (ja) * | 1994-12-27 | 1996-07-16 | Nkk Corp | 二重管式鋼管杭 |
JP4863120B2 (ja) * | 2007-03-05 | 2012-01-25 | 住友金属工業株式会社 | 基礎杭 |
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2015
- 2015-06-02 JP JP2015111953A patent/JP6542036B2/ja active Active
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JP2016223208A (ja) | 2016-12-28 |
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