JP2951271B2 - Connecting pile structure - Google Patents
Connecting pile structureInfo
- Publication number
- JP2951271B2 JP2951271B2 JP23584996A JP23584996A JP2951271B2 JP 2951271 B2 JP2951271 B2 JP 2951271B2 JP 23584996 A JP23584996 A JP 23584996A JP 23584996 A JP23584996 A JP 23584996A JP 2951271 B2 JP2951271 B2 JP 2951271B2
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- shaped
- recess
- piles
- fixing pin
- 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 - Lifetime
Links
Landscapes
- Piles And Underground Anchors (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は建築物の地下部分を
構築する杭地業における連結杭構造、特に、その継手部
分の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection pile structure in a pile foundation for constructing an underground part of a building, and more particularly to an improvement of a joint part thereof.
【０００２】[0002]
【従来の技術】杭地業において用いられるたとえば既製
鉄筋コンクリート杭は、軸鉄筋及びらせん鉄筋よりなる
円筒を回転させながらコンクリートを流し込むことによ
って製造される。この既製鉄筋コンクリート杭の長さ
は、運送及び杭打機上の制約から、３〜１５ｍ程であ
り、それ以上の長さの場合には、継杭を必要とする。す
なわち、複数の既製鉄筋コンクリート杭を建築現場にお
いて継杭する。従来、既製鉄筋コンクリート杭の継杭は
溶接継手が主であった。2. Description of the Related Art For example, ready-made reinforced concrete piles used in the pile industry are manufactured by pouring concrete while rotating a cylinder formed of a shaft reinforcing bar and a spiral reinforcing bar. The length of this ready-made reinforced concrete pile is about 3 to 15 m due to restrictions on transportation and a pile driving machine, and when it is longer than that, a joint pile is required. That is, a plurality of ready-made reinforced concrete piles are connected at a construction site. Conventionally, joints of ready-made reinforced concrete piles are mainly welded joints.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上述の
従来の既製鉄筋コンクリート杭の溶接継手は溶接資格を
有する溶接工によって行われ、しかも、重要な溶接箇所
は資格を有する溶接検査者による検査が必要であった。
このため、安全性に欠き、また、作業効率が低いという
課題があった。さらに、雨天時、強風時では施工できな
い。この結果施工コストが上昇するという課題もあっ
た。従って、本発明の目的は、安全性が高く、作業効率
が高く、かつ施工コストを低減できる連結杭構造を提供
することにある。However, the above-described conventional welded joints of the ready-made reinforced concrete piles are performed by qualified welders, and important welds need to be inspected by qualified weld inspectors. there were.
For this reason, there is a problem that safety is lacking and work efficiency is low. Furthermore, it cannot be constructed in rainy weather or in strong winds. As a result, there is also a problem that the construction cost increases. Therefore, an object of the present invention is to provide a connection pile structure that is high in safety, high in work efficiency, and can reduce construction cost.
【０００４】[0004]
【課題を解決するための手段】上述の課題を解決するた
めに本発明は、くさび形状の凹部が形成された金属管を
杭の端面外周に配設し、このくさび形状の凹部を対向さ
せて２つの杭を接触させた際に対向したくさび形状の凹
部にくさび状部材を挿入固定し、くさび状部材を補強バ
ンドで囲み、くさび状部材を金属管に固定ピンで固定す
るようにしたものである。このようにして、無溶接の連
結杭構造が得られる。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a metal pipe having a wedge-shaped recess formed around an end face of a pile and facing the wedge-shaped recess. two wedge-shaped member into the recess of the opposing wedge shape when contacting the pile insertion and fixed, enclose the wedge-shaped member with a reinforcing band, a wedge-shaped member to secure a fixed pin to the metal tube
It is obtained as that. Thus, a connection pile structure without welding is obtained.
【０００５】[0005]
【発明の実施の形態】始めに、図１〜図４を参照して各
部品を説明する。図１は本発明に係る内鋼管を示し、
（Ａ）は側面図、（Ｂ）は斜視図である。この内鋼管は
遠心鉄筋コンクリート杭の製造の際にその端面に組込ま
れる。内鋼管１にはたとえば４つのくさび形状凹部１１
が設けられ、さらに各くさび形状凹部１１の先端には固
定ピン用凹部１２が設けられている。図２は本発明に係
るくさび状鉄板を示し、（Ａ）は平面図、（Ｂ）は斜視
図である。すなわち、くさび状鉄板２は両端がくさび状
をなしている。また、両端には固定ピン用溝２１が設け
られている。図３は本発明に係る固定ピンを示し、
（Ａ）は側面図、（Ｂ）は斜視図である。固定ピン３に
は補強バンド用凸部３１が設けられている。図４は本発
明に係る補強バンドを示し、（Ａ）は側面図、（Ｂ）は
斜視図である。補強バンド４の内側には固定ピン用凹部
４１が設けられ、また、補強バンド４の両端にはボルト
用溝４２が設けられている。DESCRIPTION OF THE PREFERRED EMBODIMENTS First, each component will be described with reference to FIGS. FIG. 1 shows an inner steel pipe according to the present invention,
(A) is a side view, (B) is a perspective view. The inner steel pipe is incorporated into the end face of the centrifugal reinforced concrete pile during production. The inner steel pipe 1 has, for example, four wedge-shaped recesses 11.
Are provided, and a recess 12 for a fixing pin is provided at the tip of each wedge-shaped recess 11. 2A and 2B show a wedge-shaped iron plate according to the present invention, wherein FIG. 2A is a plan view and FIG. 2B is a perspective view. That is, both ends of the wedge-shaped iron plate 2 are wedge-shaped. Further, grooves 21 for fixing pins are provided at both ends. FIG. 3 shows a fixing pin according to the present invention,
(A) is a side view, (B) is a perspective view. The fixing pin 3 is provided with a reinforcing band projection 31. 4A and 4B show a reinforcing band according to the present invention, wherein FIG. 4A is a side view and FIG. 4B is a perspective view. A fixing pin recess 41 is provided inside the reinforcing band 4, and a bolt groove 42 is provided at both ends of the reinforcing band 4.
【０００６】次に、図１〜図４に示す部品の組立方法を
図５〜図７を参照して説明する。なお、各図において、
（Ａ）は側面図、（Ｂ）は（Ａ）のＢ−Ｂ線断面図であ
る。始めに、図５を参照すると、既製遠心力鉄筋コンク
リート杭５Ｌ、５Ｕの端面外周には図１に示す内鋼管１
Ｌ、１Ｕが製造時に組込まれている。下杭としての既製
遠心力鉄筋コンクリート杭５Ｌが杭打機による地下に鉛
直に打込まれた後に、上杭としての既製遠心力鉄筋コン
クリート杭５Ｕを接触させる。このとき、内鋼管１Ｌの
くさび形状凹部１１Ｌ（図１参照）と内鋼管１Ｕのくさ
び形状凹部１１Ｕ（図１参照）とを対向せしめる。Next, a method of assembling the parts shown in FIGS. 1 to 4 will be described with reference to FIGS. In each figure,
(A) is a side view, (B) is a BB sectional view of (A). First, referring to FIG. 5, the inner steel pipe 1 shown in FIG.
L and 1U are incorporated at the time of manufacture. After prefabricated centrifugal reinforced concrete piles 5L as under piles were driven in a vertical underground by pile driver, contacting the ready-made centrifugal force concrete pile 5 U of the upper pile. At this time, the wedge-shaped recess 11L (see FIG. 1) of the inner steel pipe 1L and the wedge-shaped recess 11U (see FIG. 1) of the inner steel pipe 1U face each other.
【０００７】次に、図６を参照すると、下杭の内鋼管１
Ｌのくさび形状凹部１１Ｌ及び上杭の内鋼管１Ｕのくさ
び形状凹部１１Ｕに図２を示すくさび状鉄板２を挿入固
定する。これにより、下杭及び上杭を一体化させる。次
いで、くさび状鉄板２の溝２１（図２参照）及び内鋼管
１Ｌ，１Ｕの凹部１２（図１参照）に跨って固定ピン３
を打込む。これにより、下杭、上杭の曲げによる引張力
に対して耐久性を増大させる。Next, referring to FIG. 6, the inner steel pipe 1 of the lower pile is shown.
The wedge-shaped iron plate 2 shown in FIG. 2 is inserted and fixed in the wedge-shaped recess 11L of L and the wedge-shaped recess 11U of the inner steel pipe 1U of the upper pile. Thereby, the lower pile and the upper pile are integrated. Next, the fixing pin 3 extends over the groove 21 (see FIG. 2) of the wedge-shaped iron plate 2 and the concave portion 12 (see FIG. 1) of the inner steel pipes 1L and 1U.
Type. Thereby, the durability against the tensile force due to the bending of the lower pile and the upper pile is increased.
【０００８】最後に、図７を参照すると、図４に示す２
つの補強バンド４でくさび状鉄板２及び固定ピン３（図
３参照）を囲み、ボルト４３で固定する。この場合、く
さび状鉄板２及び固定ピン３の凸部３１（図３参照）は
補強バンド４の凹部４１（図４参照）内に嵌め込まれて
いる。これにより、くさび状鉄板２の脱落を防止でき、
従って、曲げ引張強度を増大できる。Finally, referring to FIG. 7, FIG.
The wedge-shaped iron plate 2 and the fixing pins 3 (see FIG. 3) are surrounded by the two reinforcing bands 4 and fixed with bolts 43 . In this case, the projections 31 (see FIG. 3) of the wedge-shaped iron plate 2 and the fixing pins 3 are fitted into recesses 41 (see FIG. 4) of the reinforcing band 4. This can prevent the wedge-shaped iron plate 2 from falling off,
Therefore, the bending tensile strength can be increased.
【０００９】[0009]
【発明の効果】以上説明したように本発明によれば、無
溶接継手を採用したので、安全性が高く、また、作業効
率がよく、さらに、施工コストを低減できる。As described above, according to the present invention, since a non-welded joint is employed, safety is high, work efficiency is good, and construction cost can be reduced.
【図１】本発明に係る内鋼管を示し、（Ａ）は側面図、
（Ｂ）は斜視図である。FIG. 1 shows an inner steel pipe according to the present invention, (A) is a side view,
(B) is a perspective view.
【図２】本発明に係るくさび状鉄板を示し、（Ａ）は平
面図、（Ｂ）は斜視図である。FIG. 2 shows a wedge-shaped iron plate according to the present invention, wherein (A) is a plan view and (B) is a perspective view.
【図３】本発明に係る固定ピンを示し、（Ａ）は側面
図、（Ｂ）は斜視図である。3A and 3B show a fixing pin according to the present invention, wherein FIG. 3A is a side view and FIG. 3B is a perspective view.
【図４】本発明に係る補強バンドを示し、（Ａ）は側面
図、（Ｂ）は斜視図である。4A and 4B show a reinforcing band according to the present invention, wherein FIG. 4A is a side view and FIG. 4B is a perspective view.
【図５】本発明に係る杭継手方法を説明する図であっ
て、（Ａ）は側面図、（Ｂ）は（Ａ）のＢ−Ｂ線断面図
である。5A and 5B are views for explaining the pile joint method according to the present invention, wherein FIG. 5A is a side view, and FIG. 5B is a cross-sectional view taken along line BB of FIG.
【図６】本発明に係る杭継手方法を説明する図であっ
て、（Ａ）は側面図、（Ｂ）は（Ａ）のＢ−Ｂ線断面図
である。6A and 6B are diagrams for explaining the pile joint method according to the present invention, wherein FIG. 6A is a side view, and FIG. 6B is a cross-sectional view taken along line BB of FIG.
【図７】本発明に係る杭継手方法を説明する図であっ
て、（Ａ）は側面図、（Ｂ）は（Ａ）のＢ−Ｂ線断面図
である。7A and 7B are diagrams illustrating a pile joint method according to the present invention, wherein FIG. 7A is a side view, and FIG. 7B is a cross-sectional view taken along line BB of FIG.
１─内鋼管 １１─くさび形状凹部 １２─固定ピン用凹部 ２─くさび状鉄板 ２１─固定ピン用溝 ３─固定ピン ３１─補強バンド用凸部 ４─補強バンド ４１─固定ピン用凹部 ４２─ボルト溝 ５Ｌ、５Ｕ─既製遠心力鉄筋コンクリート杭 1 inner steel pipe 11 wedge-shaped concave portion 12 concave portion for fixing pin 2 wedge-shaped iron plate 21 fixed groove for fixing pin 3 fixed pin 31 convex portion for reinforcing band 4 reinforcing band 41 concave portion for fixing pin 42 bolt Groove 5L, 5U─ Ready-made centrifugal reinforced concrete pile
Claims (4)
属管（１）が端面外周に配設された２つの杭（５Ｌ、５
Ｕ）と、 前記くさび形状凹部を対向させて前記２つの杭を接合さ
せた際に該対向したくさび形状凹部に挿入固定されるく
さび状部材（２）と、 該くさび状部材を囲む補強バンド（４）と、 前記くさび状部材を前記金属管に固定するための固定ピ
ン（３）とを具備する連結杭構造。 1. Gold having a wedge-shaped recess (11)
Two piles (5L, 5L) in which the generic pipe (1) is disposed around the end face
U) and the two piles are joined with the wedge-shaped concave portions facing each other.
When inserted, it is inserted and fixed in the opposite wedge-shaped recess.
A rust-like member (2), connecting piles structure comprising a reinforcing band surrounding the wedge-shaped member (4), a fixing pin for fixing the wedge-shaped member to the metal tube and (3).
材及び前記固定ピンに対向する凹部（４１）を設け、該
固定ピンを該補強バンドの凹部に嵌め込むようにした請
求項１に記載の連結杭構造。Wherein a recess (41) which faces the wedge-shaped member and the fixing pin to the inside of the reinforcing bands, according to claim 1 which is adapted fitted the securing pin in the recess of the reinforcing band Connecting pile structure.
管（１）が端面外周に配設された２つの既製鉄筋コンク
リート杭（５Ｌ、５Ｕ）と、 前記くさび形状凹部を対向させて前記２つの杭を接合さ
せた際に該対向したくさび形状凹部に挿入固定されるく
さび状鉄板（２）と、 該くさび状鉄板を囲む補強バンド（４）と、 前記くさび状鉄板を前記鋼管に固定するための固定ピン
（３）とを具備する連結杭構造。 3. Steel having a wedge-shaped recess (11) formed thereon.
Two ready-made reinforced concrete tubes with pipes (1) arranged on the outer periphery of the end face
Riet piles (5L, 5U) and the two piles are joined with the wedge-shaped recess facing each other.
When inserted, it is inserted and fixed in the opposite wedge-shaped recess.
Connecting pile structure and Russet iron plate (2) comprises a reinforcing band surrounding the wedge-shaped iron plate (4), and a fixing pin for fixing the wedge-shaped iron plate to the steel tube (3).
板及び前記固定ピンに対向する凹部（４１）を設け、該
固定ピンを該補強バンドの凹部に嵌め込むようにした請
求項３に記載の連結杭構造。Wherein said wedge-shaped iron inside of the reinforcing band
The connecting pile structure according to claim 3 , wherein a concave portion (41) facing the plate and the fixing pin is provided, and the fixing pin is fitted into the concave portion of the reinforcing band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23584996A JP2951271B2 (en) | 1996-08-19 | 1996-08-19 | Connecting pile structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23584996A JP2951271B2 (en) | 1996-08-19 | 1996-08-19 | Connecting pile structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1060884A JPH1060884A (en) | 1998-03-03 |
| JP2951271B2 true JP2951271B2 (en) | 1999-09-20 |
Family
ID=16992176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23584996A Expired - Lifetime JP2951271B2 (en) | 1996-08-19 | 1996-08-19 | Connecting pile structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2951271B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6318944B2 (en) * | 2014-07-24 | 2018-05-09 | 新日鐵住金株式会社 | Pile joint rotation deterrent structure |
-
1996
- 1996-08-19 JP JP23584996A patent/JP2951271B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1060884A (en) | 1998-03-03 |
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