JPS645947U - - Google Patents
Info
- Publication number
- JPS645947U JPS645947U JP9998087U JP9998087U JPS645947U JP S645947 U JPS645947 U JP S645947U JP 9998087 U JP9998087 U JP 9998087U JP 9998087 U JP9998087 U JP 9998087U JP S645947 U JPS645947 U JP S645947U
- Authority
- JP
- Japan
- Prior art keywords
- pile
- holes
- joining device
- reinforcing bars
- steel pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Foundations (AREA)
Description
第１図ａ，ｂはそれぞれこの考案の一実施例を
示す平面図および正面図、第２図は接合部の詳細
を示す断面図、第３図ａは接合装置の鋼管の正面
図、第３図ｂ，ｃはそれぞれそのＡ―Ａ断面図お
よびＢ―Ｂ断面図、第４図はこの考案の一実施例
におけるフーチング部分の平面図、第５図ａ，ｂ
はそれぞれ従来のずれ止め方式のものに鉛直荷重
とトルク荷重が作用するときの耐力の状況を示す
説明図、第６図ａ，ｂはそれぞれこの考案のもの
に鉛直荷重とトルク荷重が作用するときの耐力の
状況を示す説明図である。
１……鋼管、２……貫通孔、３……貫通孔、４
……開先、５……裏当金、６……全周すみ肉溶接
、７……鉄筋、８……鉄筋、９……地盤、１０…
…鋼管杭、１１……現場全周突き合わせ溶接、１
２……フーチング、１３……ずれ止め、１４……
鉛直ずれ耐力、１５……鉄筋の鉛直せん断耐力、
１６……ねじりずれ耐力、１７……鉄筋のねじり
せん断耐力、１８……鉄筋、１９……継手。
Figures 1a and b are respectively a plan view and a front view showing an embodiment of this invention, Figure 2 is a sectional view showing details of the joint, Figure 3a is a front view of the steel pipe of the joining device, Figures b and c are sectional views taken along A-A and B-B respectively, Figure 4 is a plan view of the footing portion in an embodiment of this invention, and Figures 5 a and b.
are explanatory diagrams showing the strength situation when a vertical load and a torque load are applied to the conventional anti-slip type, respectively, and Figures 6a and b are diagrams showing the situation when a vertical load and a torque load are applied to the device of this invention, respectively. FIG. 1...Steel pipe, 2...Through hole, 3...Through hole, 4
...bevel, 5...backing metal, 6...full circumference fillet weld, 7...reinforcing bar, 8...reinforcing bar, 9...ground, 10...
...Steel pipe pile, 11...On-site full circumference butt welding, 1
2...Footing, 13...Slip prevention, 14...
Vertical shear strength, 15...Vertical shear strength of reinforcing bars,
16...Torsional shear strength, 17...Torsional shear strength of reinforcing bars, 18...Reinforcing bars, 19...Joints.
Claims (1)
の径を有する所要高さの鋼管１の管壁に複数の水
平な貫通孔２，３を設け、該貫通孔２，３に鉄筋
７，８を水平に貫通させてなり、前記管壁の下端
には、あらかじめ鋼管杭１０の杭頭と溶接連結す
るための開先４を加工してあることを特徴とする
杭頭接合装置。 (2) 管壁下端部内面には、あらかじめ環状の裏
当金５を取りつけてある実用新案登録請求の範囲
第１項記載の杭頭接合装置。 (3) 貫通孔２，３および該貫通孔２，３を貫通
する鉄筋７，８は直交する二方向に設けてある実
用新案登録請求の範囲第１項記載の杭頭接合装置
。 (4) 直交する鉄筋７，８どうしは交点において
点溶接してある実用新案登録請求の範囲第３項記
載の杭頭接合装置。[Claims for Utility Model Registration] (1) A plurality of horizontal through-holes 2 and 3 are provided in the pipe wall of a steel pipe 1 having the same or approximately the same diameter as the driven steel pipe pile 10 and a required height; The reinforcing bars 7 and 8 are passed horizontally through the through holes 2 and 3, and the lower end of the pipe wall is previously machined with a groove 4 for welding connection to the pile head of the steel pipe pile 10. A pile cap joining device. (2) The pile cap joining device according to claim 1, wherein an annular backing metal 5 is attached in advance to the inner surface of the lower end of the pipe wall. (3) The pile cap joining device according to claim 1, wherein the through holes 2 and 3 and the reinforcing bars 7 and 8 passing through the through holes 2 and 3 are provided in two orthogonal directions. (4) The pile cap joining device according to claim 3, in which the orthogonal reinforcing bars 7 and 8 are spot welded at their intersection points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9998087U JPS645947U (en) | 1987-06-29 | 1987-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9998087U JPS645947U (en) | 1987-06-29 | 1987-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645947U true JPS645947U (en) | 1989-01-13 |
Family
ID=31327636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9998087U Pending JPS645947U (en) | 1987-06-29 | 1987-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018059294A (en) * | 2016-10-03 | 2018-04-12 | 株式会社三誠 | Building foundation construction methods and building foundations |
| JP2020133174A (en) * | 2019-02-15 | 2020-08-31 | 株式会社安藤・間 | Pile foundation structure |
-
1987
- 1987-06-29 JP JP9998087U patent/JPS645947U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018059294A (en) * | 2016-10-03 | 2018-04-12 | 株式会社三誠 | Building foundation construction methods and building foundations |
| JP2020133174A (en) * | 2019-02-15 | 2020-08-31 | 株式会社安藤・間 | Pile foundation structure |
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