JPS5835708Y2 - Head reinforced concrete pile - Google Patents
Head reinforced concrete pileInfo
- Publication number
- JPS5835708Y2 JPS5835708Y2 JP1979118520U JP11852079U JPS5835708Y2 JP S5835708 Y2 JPS5835708 Y2 JP S5835708Y2 JP 1979118520 U JP1979118520 U JP 1979118520U JP 11852079 U JP11852079 U JP 11852079U JP S5835708 Y2 JPS5835708 Y2 JP S5835708Y2
- Authority
- JP
- Japan
- Prior art keywords
- pile
- steel pipe
- head
- concrete pile
- reinforced concrete
- 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.)
- Expired
Links
Landscapes
- Piles And Underground Anchors (AREA)
Description
【考案の詳細な説明】
本考案は既製コンクリート杭の頭部に鋼管を一体的に取
付は構成した頭部補強杭に係り、更に詳しくは下端内側
にフランジを突設した穴あき有底状鋼管を既製コンクリ
ート杭の頭部に被覆すると共に杭の頭部と鋼管との間に
膨張モルタルを注入硬化して杭の頭部と鋼管とを一体的
に構成してなる頭部補強コンクリート杭に関するもので
ある。[Detailed description of the invention] The invention relates to a head-reinforcing pile in which a steel pipe is integrally attached to the head of a ready-made concrete pile. Concerning a head-reinforced concrete pile in which the head of a prefabricated concrete pile is coated with the following, and expanded mortar is injected and hardened between the head of the pile and the steel pipe to integrally constitute the head of the pile and the steel pipe. It is.
従来の既製コンクリート杭は打込後その頭を切断する際
に切断個所の下方に亀裂が発生し杭の強度を著るしく弱
めると共に杭とこの上に建造する建物との接合を強固に
することが困難である等の欠点があった。When conventional prefabricated concrete piles are cut off after being driven, cracks occur below the cut point, which significantly weakens the strength of the pile and strengthens the connection between the pile and the building built on top of it. There were disadvantages such as difficulty in
最近になってこの従来の欠点を改善する為に例えば実開
昭５３−２２５０１号公報に示す如き合成杭も開発され
ているが、このものは施工中にコンクリート杭と鋼管と
の間に土が侵入する恐れがあり、かつコンクリート杭と
鋼管との間に注入した凝固剤が両者間から穴の下方に流
下してしまうので両者を充分に接合することが困難であ
り既製杭の施工時に同時に施工することが出来ない等の
欠点があった。Recently, in order to improve this conventional drawback, synthetic piles have been developed, for example, as shown in Japanese Utility Model Application No. 53-22501. In addition, the coagulant injected between the concrete pile and the steel pipe will flow down the hole from between the two, making it difficult to join them together sufficiently. There were drawbacks such as the inability to do so.
本考案に係る杭は従来の之等の欠点を根本的に改善した
全く新規な技術に関するものである。The pile according to the present invention is related to a completely new technology that fundamentally improves the drawbacks of the conventional technology.
図により本考案に係る杭の一実施例を具体的に説明する
と、第１図及び第２図に於て、１は既製コンクリート杭
であり、２はその杭１の頭部に被覆しかつ鉄杭１との間
に充分な間隙を形威し得る径を持った鋼管であって、そ
の下端にはフランジ３が内側に向って鍔状に突設され、
フランジ３の内径は前記コンクリート杭１の外径にほぼ
等しく構成され、全体として穴あき有底状パイプを形成
している。To specifically explain one embodiment of the pile according to the present invention with reference to figures, in Figs. It is a steel pipe having a diameter that allows a sufficient gap to be formed between it and the pile 1, and a flange 3 is provided at the lower end of the pipe to project inward in the shape of a brim.
The inner diameter of the flange 3 is approximately equal to the outer diameter of the concrete pile 1, and the flange 3 forms a perforated bottomed pipe as a whole.
４は杭１と鋼管２との間に充填された膨張モルタルであ
って、この膨張モルタル４の拘束力によって杭１と鋼管
２とは一体的に結合されている。Reference numeral 4 denotes expansion mortar filled between the pile 1 and the steel pipe 2, and the binding force of the expansion mortar 4 allows the pile 1 and the steel pipe 2 to be integrally connected.
本考案に係る杭は上述の如く、杭の頭部に被覆する鋼管
の下端にフランジがあり、このフランジの内径が杭に密
着するので、鋼管を下降する際に鋼管と杭との間に土等
が侵入する恐れが全くなく、かつ鋼管と杭との間に膨張
モルタルを注入した際にも該モルタルが鋼管の下部から
流出する恐れがなく、従って鋼管と杭との間を完全に埋
設して両者を強力に接合することが出来、更に鋼管の下
部のフランジが杭の外周に当接するので鋼管と杭との間
を前後左右いずれの位置に於ても均一に保つことが出来
、又杭と鋼管とは完全に一体化されているので、杭の頭
部上端を切除してもその際にそれに続く杭の頭部に亀裂
が生ずる恐れがなく、従って杭の強度を低下せしめるこ
とを完全に防止出来、しかもこの鋼管は建物の土台のア
ンカーと一体的に溶接することが可能であり、又これ等
の作業を既製杭の打設時に同時に行うことが可能である
等の特徴を有するものである。As mentioned above, the pile according to the present invention has a flange at the lower end of the steel pipe that covers the head of the pile, and the inner diameter of this flange is in close contact with the pile, so when the steel pipe is lowered, there is dirt between the steel pipe and the pile. There is no risk of intrusion, etc., and even when expanded mortar is injected between the steel pipe and the pile, there is no risk of the mortar flowing out from the bottom of the steel pipe. Therefore, the space between the steel pipe and the pile can be completely buried. Furthermore, since the flange at the bottom of the steel pipe comes into contact with the outer periphery of the pile, the distance between the steel pipe and the pile can be maintained evenly in any position, front, back, left, or right. Since the steel pipe and the top end of the pile are completely integrated, there is no risk of cracking in the subsequent pile head even if the upper end of the pile head is removed. Moreover, this steel pipe can be integrally welded to the anchor of the building's foundation, and these operations can be performed at the same time as ready-made piles are being driven. It is.
第１図は本願の杭の頭部側面図、第２図はその一部切欠
説明図である。
１：杭、２：鋼管、３：フランジ、４：膨張モルタル。FIG. 1 is a side view of the head of the pile of the present application, and FIG. 2 is a partially cutaway explanatory view thereof. 1: Pile, 2: Steel pipe, 3: Flange, 4: Expanded mortar.
Claims (1)
しいフランジ３を突設してなる鋼管２を既製コンクリー
ト杭１の頭部に被覆すると共に鉄杭１と鋼管２との間に
膨張モルタル４を注入硬化して杭１の頭部と鋼管２とを
一体的に構成してなる頭部補強コンクリート杭。A steel pipe 2 having a flange 3 whose inner diameter is approximately equal to the outer diameter of the ready-made concrete pile 1 protrudes from the inside of the lower end covers the head of the ready-made concrete pile 1, and an expanding mortar 4 is placed between the steel pile 1 and the steel pipe 2. This head-reinforced concrete pile is made by integrally constructing the head of a pile 1 and a steel pipe 2 by injection hardening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979118520U JPS5835708Y2 (en) | 1979-08-30 | 1979-08-30 | Head reinforced concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979118520U JPS5835708Y2 (en) | 1979-08-30 | 1979-08-30 | Head reinforced concrete pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5636737U JPS5636737U (en) | 1981-04-08 |
| JPS5835708Y2 true JPS5835708Y2 (en) | 1983-08-11 |
Family
ID=29350732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979118520U Expired JPS5835708Y2 (en) | 1979-08-30 | 1979-08-30 | Head reinforced concrete pile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5835708Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003020657A (en) * | 2001-07-06 | 2003-01-24 | Taisei Corp | Structure of connection part between pile and pile head structural body |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4825968A (en) * | 1971-08-11 | 1973-04-04 | ||
| JPS4923404A (en) * | 1972-06-28 | 1974-03-01 | ||
| JPS4923685A (en) * | 1972-06-23 | 1974-03-02 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5634045Y2 (en) * | 1976-12-10 | 1981-08-12 |
-
1979
- 1979-08-30 JP JP1979118520U patent/JPS5835708Y2/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4825968A (en) * | 1971-08-11 | 1973-04-04 | ||
| JPS4923685A (en) * | 1972-06-23 | 1974-03-02 | ||
| JPS4923404A (en) * | 1972-06-28 | 1974-03-01 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003020657A (en) * | 2001-07-06 | 2003-01-24 | Taisei Corp | Structure of connection part between pile and pile head structural body |
| JP4684479B2 (en) * | 2001-07-06 | 2011-05-18 | 大成建設株式会社 | Structure of the connection between the pile and the pile head structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5636737U (en) | 1981-04-08 |
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