JPH0440507B2 - - Google Patents
Info
- Publication number
- JPH0440507B2 JPH0440507B2 JP58155039A JP15503983A JPH0440507B2 JP H0440507 B2 JPH0440507 B2 JP H0440507B2 JP 58155039 A JP58155039 A JP 58155039A JP 15503983 A JP15503983 A JP 15503983A JP H0440507 B2 JPH0440507 B2 JP H0440507B2
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing bars
- diameter
- small
- diameter reinforcing
- bundled
- 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
- Reinforcement Elements For Buildings (AREA)
Description
【発明の詳細な説明】
現在、原子炉構造の如き大型の鉄筋コンクリー
ト構造物においては太径鉄筋が盛んに使用されて
いる。DETAILED DESCRIPTION OF THE INVENTION Currently, large diameter reinforcing bars are widely used in large reinforced concrete structures such as nuclear reactor structures.
前記太径鉄筋の継手は、鉄筋の表面に加工され
たねじ状の突起部を利用して、カプラによつて螺
着接合する方法が措られている。前記従来の継手
方法では、１本の鉄筋と同じサイズ、または２サ
イズ小さい１本の鉄筋との接合が可能である。 For the joints of the large-diameter reinforcing bars, a method is employed in which threaded protrusions machined on the surface of the reinforcing bars are used to screw them together using couplers. With the conventional joint method, it is possible to join one reinforcing bar to one reinforcing bar that is the same size or two sizes smaller.
而して前記従来の太径鉄筋の接合方法を構築物
の施工に用いたとき、次のような問題点が生起す
る。 However, when the conventional method for joining large-diameter reinforcing bars is used in constructing a structure, the following problems occur.
() 鉄筋コンクリート造円筒構造物、または柱
部から床版、若しくは梁部に鉄筋を定着する場
合、定着長が大きくなる。() When anchoring reinforcing bars from a reinforced concrete cylindrical structure or a column to a floor slab or beam, the anchoring length will be large.
() 鉄筋を定着する場合、または円筒状構造物
の仮開口を閉鎖する場合、鉄筋の曲げ加工が困
難である。() When fixing reinforcing bars or closing temporary openings in cylindrical structures, bending of reinforcing bars is difficult.
() 鉄筋のサイズに限りがあるため、応力分布
に適した配筋ができず、鉄筋量が増大する。() Since the size of reinforcing bars is limited, it is not possible to arrange the reinforcing bars to suit the stress distribution, resulting in an increase in the amount of reinforcing bars.
本発明はこのような問題点を解決するために提
案されたもので、複数の小径の鉄筋を束ねて、外
周面にねじ部を有する有底円筒状接合金具に挿入
するとともに、同接合金具と前記小径の鉄金との
間〓に溶着金属を填装するか楔を楔入して前記複
数の小径の鉄筋を前記円筒状接合金具に束ねて固
着したのち、同接合金具の外周面ねじ部と、太径
鉄筋の外周ねじ状突起部とに亘つてカプラを螺着
緊締することを特徴とする太径鉄筋と束ね鉄筋と
の接合方法に係るものである。 The present invention was proposed to solve these problems, and involves bundling a plurality of small-diameter reinforcing bars and inserting them into a bottomed cylindrical joint having a threaded portion on the outer circumferential surface. After the plurality of small-diameter reinforcing bars are bundled and fixed to the cylindrical joint by loading weld metal or inserting a wedge between the small-diameter iron and metal, the outer circumferential threaded portion of the joint is fixed. The present invention relates to a method for joining large-diameter reinforcing bars and bundled reinforcing bars, which is characterized by screwing and tightening a coupler over the outer circumferential thread-like protrusion of the large-diameter reinforcing bars.
本発明によればこのように、複数の小径の鉄筋
を束ねて、有底円筒状接合金具に挿入するととも
に、同接合金具と前記複数の鉄筋との間〓に溶着
金属を填装するか、楔を楔入することによつて前
記複数の小径の鉄筋を束ねた状態で前記有底円筒
状接合金具に固着し、しかるのち、同接合金具の
外周面に設けたねじと前記太径の外周ねじ状突起
部とに亘つてカプラを螺着緊締することによつて
太径鉄筋と、複数の小径の束ね鉄筋の固定された
有底円筒状接合金具とを接合するようにしたの
で、太径鉄筋の作用力はカプラから同カプラと前
記接合金具の外周ねじ部との螺着部を介して、同
接合金具に束ねられた前記小径鉄筋に伝達され
る。 According to the present invention, a plurality of small-diameter reinforcing bars are bundled together and inserted into a bottomed cylindrical joint, and welded metal is charged between the joint and the plurality of reinforcing bars, or The plurality of small-diameter reinforcing bars are bundled and fixed to the bottomed cylindrical joint by inserting wedges, and then the screws provided on the outer circumferential surface of the joint and the large-diameter outer periphery are attached. By screwing and tightening the coupler across the threaded protrusion, the large-diameter reinforcing bar and the bottomed cylindrical joint fitting to which a plurality of small-diameter bundled reinforcing bars are fixed are connected. The acting force of the reinforcing bars is transmitted from the coupler to the small-diameter reinforcing bars bundled in the joining metal fitting via the threaded portion between the coupler and the outer circumferential threaded portion of the joining metal fitting.
このように本発明によれば太径鉄筋にカプラを
介して複数の小径鉄筋を束ねる前記円筒状接合具
を結合することによつて、前記太径鉄筋を小径の
束ね鉄筋に接合するようにしたので、前記太径鉄
筋に太径鉄筋を接合する場合に比して定着長及び
曲げ角度が小さくて済むので、鉄筋量が少なく経
済的であり、また太径筋に比して前記束ね鉄筋を
構成する小径の曲げ加工が容易であり、鉛直部材
から水平部材への配筋、円筒構造物の仮開口の配
筋等において優れた施工性が発揮されるものであ
る。 As described above, according to the present invention, the large diameter reinforcing bars are joined to the small diameter bundled reinforcing bars by connecting the cylindrical connector for bundling a plurality of small diameter reinforcing bars to the large diameter reinforcing bars via a coupler. Therefore, compared to the case of joining large diameter reinforcing bars to large diameter reinforcing bars, the fixation length and bending angle are small, so it is economical because the amount of reinforcing bars is small, and the bundled reinforcing bars are It is easy to bend the small diameter components, and exhibits excellent workability in reinforcing from vertical members to horizontal members, reinforcing for temporary openings in cylindrical structures, etc.
以下本発明を図示の実施例について説明する。 The present invention will be described below with reference to the illustrated embodiments.
１は柱、腹部剤Ａの主筋を構成する太径鉄筋、
２は梁、床版部材Ｂの主筋を構成する複数の小径
の鉄筋で、柱梁接合部において柱側に曲成されて
いる。 1 is a column, a large diameter reinforcing bar that constitutes the main reinforcement of abdominal reinforcement A,
Reference numeral 2 denotes a plurality of small-diameter reinforcing bars constituting the main reinforcement of the beam and floor slab member B, which are bent toward the column side at the column-beam joint.
前記複数の小径鉄筋２を、床面が閉塞され外周
面にねじ部３ａを有するねじ付パイプより構成さ
れた有底円筒状接合金具３に束ねて挿入し、同接
合金具３内に溶着金属４を填装するか、または同
接合金具３と前記鉄筋２との空間部に楔を楔入し
て、前記接合金具３内に小径の束ね鉄筋２を固着
し、同接合金具３の外周ねじ部３ａと前記太径鉄
筋１の外周ねじ状突起部１ａとの間にカプラ４を
螺着緊締して、同太径鉄筋１を複数の小径鉄筋２
よりなる鉄筋に接合するものである。 The plurality of small-diameter reinforcing bars 2 are bundled and inserted into a bottomed cylindrical joint 3 which is a threaded pipe with a closed floor and a threaded portion 3a on the outer peripheral surface, and the welded metal 4 is inserted into the joint 3. or by inserting a wedge into the space between the joining metal fitting 3 and the reinforcing bar 2, fixing the small-diameter bundled reinforcing bars 2 inside the joining metal fitting 3, and tightening the outer circumferential threaded part of the joining metal fitting 3. A coupler 4 is screwed and tightened between the large-diameter reinforcing bar 1 and the outer peripheral screw-shaped protrusion 1a of the large-diameter reinforcing bar 1, and the large-diameter reinforcing bar 1 is connected to a plurality of small-diameter reinforcing bars 2.
It is connected to reinforcing steel made of steel.
第１図は本発明の方法によつて構成された太径
鉄筋と束ね鉄筋との接合部を示す部分拡大縦断面
図、第２図は小径鉄筋の束ね部の実施例を示す縦
断面図、第３図は第２図の矢視イ−イ図である。
１……太径鉄筋、１ａ……ねじ状突起部、２…
…小径鉄筋、３……接合用金物、３ａ……ねじ
部、４……カプラ。
FIG. 1 is a partially enlarged longitudinal cross-sectional view showing a joint between large-diameter reinforcing bars and bundled reinforcing bars constructed by the method of the present invention, and FIG. 2 is a vertical cross-sectional view showing an example of a bundled portion of small-diameter reinforcing bars. FIG. 3 is a view taken along the arrows E--A in FIG. 2. 1... Large diameter reinforcing bar, 1a... Threaded protrusion, 2...
...Small diameter reinforcing bar, 3...Joining hardware, 3a...Threaded part, 4...Coupler.
Claims (1)
を有する有底円筒状接合金具に挿入するととも
に、同接合金具と前記小径の鉄筋との間〓に溶着
金属を填装するか楔を楔入して前記複数の小径の
鉄筋を前記円筒状接合金具に束ねて固着したの
ち、同接合金具の外周面ねじ部と、太径鉄筋の外
周ねじ状突起部とに亘つてカプラを螺着緊締する
ことを特徴とする太径鉄筋と束ね鉄筋との接合方
法。1 A plurality of small-diameter reinforcing bars are bundled and inserted into a bottomed cylindrical joint having a threaded portion on the outer circumferential surface, and a welded metal is charged or a wedge is inserted between the joint and the small-diameter reinforcing bars. After inserting wedges and bundling and fixing the plurality of small diameter reinforcing bars to the cylindrical joint fitting, a coupler is screwed across the threaded portion of the outer peripheral surface of the fitting and the threaded projection portion of the outer periphery of the large diameter reinforcing bar. A method for joining large-diameter reinforcing bars and bundled reinforcing bars, which is characterized by tightening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15503983A JPS6047152A (en) | 1983-08-26 | 1983-08-26 | How to join large diameter reinforcing bars and bundled reinforcing bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15503983A JPS6047152A (en) | 1983-08-26 | 1983-08-26 | How to join large diameter reinforcing bars and bundled reinforcing bars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6047152A JPS6047152A (en) | 1985-03-14 |
| JPH0440507B2 true JPH0440507B2 (en) | 1992-07-03 |
Family
ID=15597330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15503983A Granted JPS6047152A (en) | 1983-08-26 | 1983-08-26 | How to join large diameter reinforcing bars and bundled reinforcing bars |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6047152A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443437Y2 (en) * | 1988-12-16 | 1992-10-14 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729043Y2 (en) * | 1974-10-03 | 1982-06-25 |
-
1983
- 1983-08-26 JP JP15503983A patent/JPS6047152A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6047152A (en) | 1985-03-14 |
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