JP2000257211A - Reinforcing bar binding piece - Google Patents
Reinforcing bar binding pieceInfo
- Publication number
- JP2000257211A JP2000257211A JP11064618A JP6461899A JP2000257211A JP 2000257211 A JP2000257211 A JP 2000257211A JP 11064618 A JP11064618 A JP 11064618A JP 6461899 A JP6461899 A JP 6461899A JP 2000257211 A JP2000257211 A JP 2000257211A
- Authority
- JP
- Japan
- Prior art keywords
- hoop
- main
- bar
- reinforcing bar
- main reinforcement
- 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.)
- Granted
Links
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、特に場所打ちコ
ンクリート杭で使用される鉄筋かごの主筋と主筋の外側
にせん断補強筋として配筋されるフープ筋またはスパイ
ラル筋とを結束するための鉄筋結束金具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforcing bar tie for binding a main bar of a reinforcing cage used in a cast-in-place concrete pile and a hoop bar or a spiral bar arranged as a shear reinforcing bar outside the main bar. About metal fittings.
【０００２】[0002]
【従来の技術】場所打ちコンクリート杭には、例えば図
３（ａ），（ｂ）に図示するように掘削された竪孔内に
複数の主筋２０とこの主筋２０の外側にせん断補強筋と
してフープ筋またはスパイラル筋、あるいはその両方
（以下、「フープ筋２１」という）が配筋されている。2. Description of the Related Art A cast-in-place concrete pile is provided with a plurality of main reinforcements 20 in a pit excavated as shown in FIGS. 3 (a) and 3 (b) and a hoop as a shear reinforcement outside the main reinforcements 20, for example. Muscles, spiral muscles, or both are arranged (hereinafter, referred to as "hoop muscles 21").
【０００３】また、主筋２０とフープ筋２１は予め地上
で所定径の鉄筋かごに組み立てられた後、クレーン等で
吊って竪孔に一緒に建て込まれている。ところでこれま
で、主筋２０とフープ筋２１は、互いに接点部を溶接す
る等して結束されている。[0003] The main reinforcement 20 and the hoop reinforcement 21 are previously assembled on the ground in a reinforcing steel cage having a predetermined diameter, and then suspended together with a crane or the like and built together in a vertical hole. Heretofore, the main bar 20 and the hoop bar 21 have been bound together by welding the contact portions to each other.
【０００４】[0004]
【発明が解決しようとする課題】しかし、主筋２０とフ
ープ筋２１との溶接作業は、天候や作業者の技量などに
よって溶接精度が大きく左右され、溶接不良などのため
に信頼性に欠ける等の課題があった。However, the welding operation of the main bar 20 and the hoop bar 21 greatly depends on the weather, the skill of the operator, and the like, and the welding is not reliable due to poor welding. There were challenges.
【０００５】また、溶接熱が主筋の材質・強度を変えて
しまうような悪影響をおよぼすことが知られており、特
に先の阪神大震災以来、溶接による結束の自粛がのぞま
れている。It is also known that welding heat has an adverse effect of changing the material and strength of the main reinforcement, and since the Great Hanshin Earthquake, self-restraint of binding by welding has been desired.
【０００６】この発明は、以上の課題を解決するために
なれたもので、特に主筋とフープとを確実に、しかもき
わめて簡単に結束できるようにした鉄筋結束金具を提供
することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a reinforcing bar binding metal in which a main bar and a hoop can be securely and extremely easily bound.
【０００７】[0007]
【課題を解決するための手段】以上の課題を解決するた
めの手段として、この発明に係る鉄筋結束金具は、請求
項１として、主筋の外周に沿ってＵ字状をなす主筋把持
部と、この主筋把持部の先端部においてフープ筋の外周
に沿ってＵ字状をなすフープ筋把持部と、前記主筋把持
部側において前記主筋とフープ筋を前記フープ筋把持部
とによって挟持する固定ボルトとを有して構成する。According to a first aspect of the present invention, there is provided a reinforcing bar binding metal fitting according to the present invention, comprising a U-shaped main bar gripping portion along the outer periphery of the main bar. A hoop streak gripping portion having a U-shape along the outer periphery of the hoop streak at the tip of the main streak grasping portion, and a fixing bolt for holding the main streak and the hoop streak by the hoop streak grasping portion at the main streak grasping portion side It has and is constituted.
【０００８】[0008]
【発明の実施の形態】実施の形態１．図１（ａ）〜
（ｃ）は、鉄筋結束金具の一例を示し、想定した円周上
に複数の主筋１が所定間隔に配筋され、その外側にフー
プ筋２がリング状に配筋されている。また、主筋１とフ
ープ筋２との接点部に鉄筋結束金具３が取り付けられ、
この鉄筋結束金具３によって主筋１とフープ筋２が結束
されている。こうして、所定径の鉄筋かご４が組み立て
られている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 (a)-
(C) shows an example of a reinforcing bar binding metal, in which a plurality of main bars 1 are arranged at predetermined intervals on an assumed circumference, and hoop bars 2 are arranged in a ring shape outside thereof. In addition, a reinforcing bar binding metal fitting 3 is attached to a contact portion between the main bar 1 and the hoop bar 2,
The main bar 1 and the hoop bar 2 are bound by the reinforcing bar binding metal 3. Thus, the rebar cage 4 having a predetermined diameter is assembled.
【０００９】鉄筋結束金具３は、主筋１の外周に沿って
鉄筋かご４の内側から外側にＵ字状をなす主筋把持部３
ａと、フープ筋２に沿って鉄筋かご４の外側から内側に
Ｕ字状をなすフープ筋把持３ｂとをそれぞれ有し、フー
プ筋把持部３ｂは主筋把持部３ａの両先端部に主筋把持
部３ａと連続し、一体的に形成されている。The rebar binding metal fitting 3 is a U-shaped main rebar gripping portion 3 extending from the inside to the outside of the rebar cage 4 along the outer periphery of the main rebar 1.
a, and a hoop stitch grip 3b forming a U-shape from the outside to the inside of the rebar cage 4 along the hoop streak 2, and the hoop stitch grasping portion 3b is provided at both ends of the main stitch grasping portion 3a. 3a, it is formed integrally.
【００１０】また、主筋把持部３ａの一側部に鉄筋かご
４の内側から外側に貫通するボルト孔３ｃが形成され、
このボルト孔３ｃの内側に固定ナット５が溶接すること
により取り付けられている。また、固定ナット５に固定
ボルト６がボルト孔３ｃを貫通し、主筋１に当接した状
態で螺合されている。A bolt hole 3c penetrating from the inside to the outside of the reinforcing cage 4 is formed on one side of the main reinforcing bar gripping portion 3a,
The fixing nut 5 is attached to the inside of the bolt hole 3c by welding. A fixing bolt 6 is screwed into the fixing nut 5 in a state of passing through the bolt hole 3 c and abutting on the main bar 1.
【００１１】そして、固定ボルト６を強く締め付けるこ
とにより、固定ボルト６と主筋把持部３ａとによって主
筋１とフープ筋２が強く挟み付けられて強固に結束され
ている。When the fixing bolt 6 is strongly tightened, the main bar 1 and the hoop bar 2 are strongly sandwiched and firmly bound by the fixing bolt 6 and the main bar grip 3a.
【００１２】なお、主筋把持部３ａとフープ筋把持部３
ｂとボルト孔３ｃは、鉄筋を所定の長さに切断し、要所
を折り曲げることにより簡単に形成されている。また、
主筋把持部３ａとフープ筋把持部３ｂとボルト孔３ｃは
鋳造でも形成することができ、その場合にはボルト孔３
ｃに固定ボルト６を螺合するためのねじを直接形成する
ことにより固定ナット５を省略することができる。It should be noted that the main muscle gripping portion 3a and the hoop muscle gripping portion 3
The b and the bolt hole 3c are easily formed by cutting a reinforcing bar to a predetermined length and bending a key portion. Also,
The main bar grip 3a, the hoop bar grip 3b and the bolt hole 3c can also be formed by casting.
The fixing nut 5 can be omitted by directly forming a screw for screwing the fixing bolt 6 on c.
【００１３】図２（ａ）〜（ｃ）は、鉄筋結束金具の他
の一例を示し、主筋把持部３ａにボルト孔３ｃを形成す
る代わりにボルト孔７ａとその外側に固定ナット５が取
り付けられた金具７を取り付けた例を示し、その他の構
成は先に説明したものと同じである。FIGS. 2 (a) to 2 (c) show another example of the reinforcing bar binding metal fitting. Instead of forming the bolt hole 3c in the main reinforcing bar gripping portion 3a, the fixing nut 5 is attached to the bolt hole 7a and the outside thereof. An example in which the metal fitting 7 is attached is shown, and other configurations are the same as those described above.
【００１４】[0014]
【発明の効果】この発明は以上説明した構成からなり、
特に固定ボルトを締めつけるだけで主筋とフープ筋を
きわめて簡単にかつ強固に結束することができる。The present invention has the above-described structure,
In particular, the main bar and the hoop bar can be very easily and firmly bound simply by tightening the fixing bolt.
【００１５】また、溶接を一切使用しないので、主筋の
強度を変えてしまうような悪影響を及ぼすこともなく、
異種材質の主筋とフープ筋も全く問題なく結束すること
ができる。Also, since no welding is used, there is no adverse effect such as changing the strength of the main bar,
Main bars and hoop bars of different materials can be bound without any problem.
【００１６】さらに、簡単な構造なので製作も容易であ
り、量産による製作コストの低減も可能である。Furthermore, since the structure is simple, the production is easy, and the production cost can be reduced by mass production.
【図１】（ａ）は鉄筋かごの平面図、（ｂ）は鉄筋結束
金具の斜視図、（ｃ）は鉄筋結束金具による主筋とフー
プ筋との結束状態を示す斜視図である。1A is a plan view of a reinforcing bar cage, FIG. 1B is a perspective view of a reinforcing bar binding metal, and FIG. 1C is a perspective view showing a binding state of a main bar and a hoop bar by a reinforcing bar binding bracket.
【図２】（ａ）は鉄筋かごの平面図、（ｂ）は鉄筋結束
金具の斜視図、（ｃ）は鉄筋結束金具による主筋とフー
プ筋と力骨補強リングとの結束状態を示す斜視図であ
る。2A is a plan view of a reinforcing bar cage, FIG. 2B is a perspective view of a reinforcing bar binding metal, and FIG. 2C is a perspective view showing a binding state of a main bar, a hoop muscle, and a power bone reinforcing ring by the reinforcing bar binding metal. It is.
【図３】（ａ）は場所打ち鉄筋コンクリート杭の断面
図、（ｂ）は鉄筋かごの斜視図である。3A is a sectional view of a cast-in-place reinforced concrete pile, and FIG. 3B is a perspective view of a reinforced cage.
１ 主筋 ２ フープ筋（フープ筋またはスパイラル筋などのせん
断補強筋） ３ 鉄筋結束金具 ３ａ 主筋把持部 ３ｂ フープ筋把持部 ３ｃ ボルト孔 ４ 鉄筋かご ５ 固定ナット ６ 固定ボルト ７ 金具 ７ａ ボルト孔REFERENCE SIGNS LIST 1 main bar 2 hoop bar (shear reinforcing bar such as hoop bar or spiral bar) 3 reinforcing bar binding bracket 3 a main bar gripping unit 3 b hoop bar gripping unit 3 c bolt hole 4 rebar basket 5 fixing nut 6 fixing bolt 7 metal fitting 7 a bolt hole
Claims (1)
を結束する鉄筋結束金具であり、主筋の外周に沿ってＵ
字状をなす主筋把持部と、この主筋把持部の先端部にお
いてフープ筋の外周に沿ってＵ字状をなすフープ筋把持
部と、前記主筋把持部側において前記主筋とフープ筋を
前記フープ筋把持部とによって挟持する固定ボルトとを
有して構成してなることを特徴とする鉄筋結束金具。Claims: 1. A reinforcing bar bundling device for binding a main bar and a hoop bar arranged on one side thereof, wherein a reinforcing bar is provided along the outer periphery of the main bar.
A main muscle gripping portion having a U-shape, a hoop muscle gripping portion forming a U-shape along the outer periphery of the hoop muscle at a tip end of the main muscle gripping portion, and the main muscle and the hoop muscle on the side of the main muscle gripping portion are connected to the hoop muscle. A rebar binding metal fitting comprising: a fixing bolt to be held by a grip portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06461899A JP3685946B2 (en) | 1999-03-11 | 1999-03-11 | Reinforcing bar binding bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06461899A JP3685946B2 (en) | 1999-03-11 | 1999-03-11 | Reinforcing bar binding bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000257211A true JP2000257211A (en) | 2000-09-19 |
| JP3685946B2 JP3685946B2 (en) | 2005-08-24 |
Family
ID=13263438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06461899A Expired - Lifetime JP3685946B2 (en) | 1999-03-11 | 1999-03-11 | Reinforcing bar binding bracket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3685946B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014198995A (en) * | 2014-04-14 | 2014-10-23 | 幸男 佐藤 | Reinforcement metal fixture for manufacturing reinforced cage for cast-in-place concrete piling |
-
1999
- 1999-03-11 JP JP06461899A patent/JP3685946B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014198995A (en) * | 2014-04-14 | 2014-10-23 | 幸男 佐藤 | Reinforcement metal fixture for manufacturing reinforced cage for cast-in-place concrete piling |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3685946B2 (en) | 2005-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002356845A (en) | Method for assembling cage for use in cast-in-place concrete pile, in weldless manner | |
| JP2759217B2 (en) | Introduction method of tensile force of carbon fiber reinforced plastic material | |
| EP0794296A1 (en) | Support structure for cage for reinforcing a concrete pile | |
| JP4738961B2 (en) | Rebar binding hardware | |
| US20130186030A1 (en) | Grout tube holder and spacer | |
| JP2000257211A (en) | Reinforcing bar binding piece | |
| JP3914897B2 (en) | Reinforcing bar fixing bracket, reinforcing bar rod, method for installing reinforcing bar rod, and method for assembling reinforcing bar rod | |
| JP2000257212A (en) | Reinforcing bar binding piece | |
| JP2003020644A (en) | Reinforcing bar cage for cast-in-place pile and its manufacturing method | |
| JPH1121915A (en) | Connecting method of pile head | |
| JPH0637072Y2 (en) | Stirrup muscle | |
| JP2001049738A (en) | Anchorage structure of beam main reinforcement | |
| JPH0828193A (en) | Reinforced wire gauze fixture of tunnel type construction | |
| KR100449520B1 (en) | A Unit for Reinforcing a Head of a Steel Tube Pile and a Reinforcement Structure Using the Unit | |
| JP2002030761A (en) | Fitting and structure for anchoring reinforcing bar | |
| JP2000204652A (en) | Column base part joining structure for steel frame column member | |
| JPH0637446U (en) | Clip for rebar assembly | |
| JPH08105044A (en) | Spacer for core member of cast-in-place pile | |
| JP2001107373A (en) | Joint structure of steel column base with foundation concrete | |
| JPH11256842A (en) | Earthquake-resisting reinforcing method of column of building, etc. | |
| JPH07217079A (en) | Reinforcing bar joint for reinforced concrete structure | |
| JP2006052550A (en) | Member and method for joining pile and foundation slab together | |
| JPH07113261A (en) | Construction of reinforced concrete structure by use of heat-precast beam | |
| JP2001049676A (en) | Connection structure of concrete pile and foundation slab | |
| JPH05230876A (en) | Reinforced concrete column shearing reinforcing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040831 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20041101 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20050105 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050304 |
|
| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20050425 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20050531 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20050601 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080610 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090610 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100610 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100610 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110610 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110610 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120610 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120610 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130610 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130610 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140610 Year of fee payment: 9 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |