JP2002138578A - Method for bar arrangement of main reinforcement and hoop on steel frame bar - Google Patents
Method for bar arrangement of main reinforcement and hoop on steel frame barInfo
- Publication number
- JP2002138578A JP2002138578A JP2000337040A JP2000337040A JP2002138578A JP 2002138578 A JP2002138578 A JP 2002138578A JP 2000337040 A JP2000337040 A JP 2000337040A JP 2000337040 A JP2000337040 A JP 2000337040A JP 2002138578 A JP2002138578 A JP 2002138578A
- Authority
- JP
- Japan
- Prior art keywords
- steel column
- hoop
- bar
- main
- steel
- 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
- Rod-Shaped Construction Members (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は鉄骨柱の周囲に主筋
とフープ筋が配筋されコンクリート打設してコンクリー
ト柱を形成する鉄骨柱に於ける主筋及びフープ筋の配筋
方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for arranging a main reinforcing bar and a hoop reinforcing bar in a steel column in which a main reinforcing bar and a hoop reinforcing bar are arranged around a steel column and concrete is formed by casting concrete.
【０００２】[0002]
【従来の技術】図２は鉄骨柱に於ける主筋及びフープ筋
の従来の配筋方法を示す図である。この方法は、先ず所
定長さの鉄骨柱（１）を用意し［図２（ａ）参照］、該
鉄骨柱（１）を横に寝かせて台に乗せる。次に鉄骨柱
（１）の外周の４方向にブラケット（３）を溶接して取
付ける［図２（ｂ）参照］。この時、水平状態のブラケ
ット（３）下部には複数の支持台がセットされている。
又、鉄骨柱（１）の各角の外部に主筋（５）が配置出来
るようにＬ字状の位置決め部材を複数個溶接して固定す
る［図２（ｃ）参照］。その後、鉄骨柱（１）上部の２
箇所の位置決め部材に主筋（５）を乗せ番線で結束す
る。そして、両端に主筋（５）に引掛けるためのＵ字状
の折曲部を設けたＬ字状な半割フープ筋（２’）を多数
用意し、且つ半割フープ筋（２’）を鉄骨柱（１）の外
周に回わした状態に引掛けて装着させ、半割フープ筋
（２’）を所定間隔で上部の主筋（５）に引掛ける。そ
の後、鉄骨柱（１）下部の２箇所の位置決め部材に主筋
（５）を番線で結束固定する。そして半割フープ筋
（２’）の両端を主筋（５）に引掛け、位置を確認しな
がら合わさった半割フープ筋（２’）の折曲部を番線で
結束固定すると共にその中央角も結束固定させ、２つの
半割フープ筋（２’）は鉄骨柱（１）の外部に一定の隙
間を有して配置された四角状に形成されるのである。2. Description of the Related Art FIG. 2 is a view showing a conventional arrangement method of main bars and hoop bars in a steel column. In this method, first, a steel column (1) having a predetermined length is prepared (see FIG. 2A), and the steel column (1) is laid on a side and placed on a table. Next, brackets (3) are attached by welding in four directions on the outer periphery of the steel column (1) [see FIG. 2 (b)]. At this time, a plurality of supports are set below the bracket (3) in the horizontal state.
Also, a plurality of L-shaped positioning members are welded and fixed so that the main reinforcement (5) can be arranged outside each corner of the steel column (1) [see FIG. 2 (c)]. After that, two steel columns (1)
The main reinforcement (5) is placed on the positioning member at the location and bound by the number line. Then, a large number of L-shaped half-hoops (2 ') having a U-shaped bent portion for hooking on the main bar (5) at both ends are prepared, and the half-hoops (2') are prepared. The half hoop muscle (2 ') is hooked on the upper main muscle (5) at a predetermined interval by being hooked around the steel column (1) in a state of being turned around. After that, the main reinforcing bar (5) is bound and fixed to the two positioning members below the steel column (1) by the number lines. Then, hook both ends of the half-hoop muscle (2 ') on the main muscle (5), fix the folded part of the half-hoop muscle (2') that has been fitted while checking the position with a line, and also fix the central angle. By binding and fixing, the two half hoop muscles (2 ') are formed in a square shape arranged with a certain gap outside the steel column (1).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、従来の
配筋方法に於いては、位置決め部材によって主筋（５）
が始めから半割フープ筋（２’）の四角形状の角近くに
相当する位置に固定されているため、半割フープ筋
（２’）が使用され［図２（ｄ）参照］、その両端及び
中央を番線で結束固定するので手間が多く掛っていた。
又、鉄骨柱（１）を寝かせて支持するために多くの支持
台を用意しなければならず、場所を多くとると共に支持
台の組立や撤去作業に手間を要していた。更にブラケッ
ト（３）の１方向が木片などを介して接地或いは若干浮
くように鉄骨柱（１）を横に寝かせるため、台を高くし
なければならず、従って、鉄骨柱（１）が高い位置で支
持されることにより、主筋（５）及び半割フープ筋
（２’）などの取付け作業が高所で行われ、人が支持台
に乗りながら行う作業となり、足場が不安で且つ落下や
怪我を生じ易く、神経を使う作業であった。尚、本発明
のような四角形状のフープ筋（２）を使用して配筋作業
が行われるものは従来にはなかった。However, in the conventional bar arrangement method, the main reinforcement (5) is provided by the positioning member.
Is fixed at a position corresponding to the vicinity of the square corner of the half-hoop muscle (2 ') from the beginning, the half-hoop muscle (2') is used [see FIG. Also, since the center is fixed by a wire, it takes much time and effort.
In addition, many supports have to be prepared in order to lay and support the steel column (1), which requires a lot of space and requires time and labor for assembling and removing the supports. Further, the steel column (1) is laid down sideways so that one direction of the bracket (3) is grounded or slightly floated through a piece of wood or the like, so that the platform must be raised. Accordingly, the position of the steel column (1) is high. With the support, the work of attaching the main bar (5) and the half-hoop bar (2 ') etc. is performed at a high place, and the work is performed while the person is on the support table. It was a task that was nervous and nervous. Note that there has not been a conventional arrangement in which bar arrangement work is performed using a square hoop streak (2) as in the present invention.
【０００４】本発明は配筋作業が簡単で且つ安全に効率
良く行える鉄骨柱に於ける主筋及びフープ筋の配筋方法
を提供することを目的とする。An object of the present invention is to provide a method of arranging a main bar and a hoop bar in a steel column in which a bar arranging operation can be performed easily, safely and efficiently.
【０００５】[0005]
【課題を解決するための手段】上記問題点を解決するた
めに本発明は成されたものであり、つまり、鉄骨柱に束
状のフープ筋を挿入し、鉄骨柱の外周にブラケットを溶
接し、２方向のブラケットが接地するように鉄骨柱を横
に寝かせ、その鉄骨柱頂部の角に形鋼をクロスして固定
させ、少なくとも形鋼のクロス部分に主筋を形鋼に固定
し、且つ複数本の主筋を形鋼に仮結束させ、束状のフー
プ筋を定間隔に配置し、他の主筋を角に移動させて固定
し、主筋とフープ筋を結束する配筋方法と成す。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, that is, a bundle of hoops is inserted into a steel column and a bracket is welded to the outer periphery of the steel column. The steel column is laid down so that the two-way brackets are in contact with the ground, the cross section of the steel column is fixed to the corner of the top of the steel column, the main reinforcement is fixed to the cross section of at least the cross section of the steel column, and The main reinforcement of the book is temporarily bound to the shaped steel, the bundled hoops are arranged at regular intervals, the other main reinforcements are moved to the corners and fixed, and the main reinforcement and the hoops are bundled.
【０００６】[0006]
【発明の実施の形態】図１は本発明方法の実施形態を示
す図であり、先ず図中の番号について説明する。（１）
はＨ形鋼や角形管或いは組合された鉄骨柱である。
（２）は鉄骨柱（１）の周囲に配筋するための四角形状
のフープ筋であり、該フープ筋（２）は所定間隔で配置
するために多数本が用意される。（３）は鉄骨柱（１）
の外周の少なくとも２方向に溶接したブラケットであ
り、該ブラケット（３）は梁を取付けるための取付穴が
複数穿設されている。尚、前記ブラケット（３）は一般
に鉄骨柱（１）の４方向へ取付けるが、鉄骨柱（１）が
建物の角用の場合は２方向に取付けられ、建物の外周中
間用の場合は３方向にブラケット（３）が取付けられ
る。（４）は鉄骨柱（１）が寝かされた状態の時、その
鉄骨柱（１）の頂部の角にクロスして溶接する形鋼であ
り、その長さはフープ筋（２）の一辺の長さよりも短
く、且つ鉄骨柱（１）の幅よりも多少突出させて後述す
る主筋（５）を位置決め出来る長さを有していれば良
く、この形鋼（４）のクロス部分には後述する主筋
（５）を乗せてフープ筋（２）の角の位置決めをするた
めの役目を果たす。前記形鋼（４）としては一般にアン
グルを用いると良い。（５）はフープ筋（２）の各角に
少なくとも固定する主筋である。尚、主筋（５）はフー
プ筋（２）の角だけでなく辺の中間部に取付ける場合も
ある。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a diagram showing an embodiment of the method of the present invention. (1)
Is an H-section steel, square tube or combined steel column.
(2) is a square hoop for arranging reinforcement around the steel column (1), and a large number of hoops (2) are prepared to be arranged at a predetermined interval. (3) is a steel column (1)
The bracket (3) is provided with a plurality of mounting holes for mounting a beam. The bracket (3) is generally mounted in four directions on the steel column (1). However, the bracket (3) is mounted in two directions when the steel column (1) is for a corner of a building, and is mounted in three directions when the steel column (1) is for the middle of the outer periphery of the building. The bracket (3) is attached to the. (4) is a section steel which is welded by crossing the top corner of the steel column (1) when the steel column (1) is laid down, and its length is one side of the hoop bar (2). It is only necessary that the cross-section of the cross section of the section steel (4) has a length that is shorter than the length of the steel column (1) and slightly protrudes from the width of the steel column (1) so that a main reinforcing bar (5) described later can be positioned. The main hoop (5), which will be described later, is placed on the hoop and the hoop muscle (2) is positioned. Generally, it is preferable to use an angle as the shape steel (4). (5) is a main muscle fixed at least to each corner of the hoop muscle (2). The main bar (5) may be attached not only at the corner of the hoop bar (2) but also at an intermediate portion of the side.
【０００７】次に本発明方法の実施形態を図１に基づい
て説明する。予め鉄工所に於いて所定長さの鉄骨柱
（１）を用意し［図１（ａ）参照］、該鉄骨柱（１）を
横に寝かせ、その鉄骨柱（１）に束状のフープ筋（２）
を挿入させる［図１（ｂ）参照］。それを台に乗せる。
次に鉄骨柱（１）の外周の４方向にブラケット（３）を
溶接する［図１（ｃ）参照］。そして鉄工所から運搬
し、クレーン車などで吊上げて、図１（ｄ）に示すよう
に２方向のブラケット（３）が接地するように前記鉄骨
柱（１）を横に寝かせる。この時、直接に地面の上にブ
ラケット（３）が置かれることにより、鉄骨柱（１）の
高さは、従来と比べると、ブラケット（３）が４５度傾
斜し、その分だけ低くなるため、作業台の上に乗らずに
地上から作業が出来る高さとなるのである。その後、寝
かせた鉄骨柱（１）の頂部の角に形鋼（４）を図１
（ｅ）のようにクロスさせて溶接或いはボルト止めして
固定する。尚、鉄工所に於いて形鋼（４）を鉄骨柱
（１）に予め固定させたものを現場に運搬しても良い。
次に形鋼（４）のクロス部分に主筋（５）を１本乗せて
結束し、且つ形鋼（４）のクロス部分以外にも主筋
（５）を複数本乗せて仮結束させる［図１（ｆ）参
照］。その後、束状のフープ筋（２）を定間隔に配置し
［図１（ｇ）参照］、その頂点を結束すると共に仮結束
させた主筋（５）を四角形状のフープ筋（２）中間の角
に移動させて固定する。そしてフープ筋（２）下方の角
に主筋（５）を挿入させるか或いは図１（ｆ）に示すよ
うに予め鉄骨柱（１）側に仮止めさせたものを移動させ
て、フープ筋（２）とその主筋（５）を番線で結束する
［図１（ｈ）参照］。このようにして鉄骨柱（１）の周
囲に多数本のフープ筋（２）と主筋（５）とを地上の現
場で配筋して仕上げるのである。Next, an embodiment of the method of the present invention will be described with reference to FIG. A steel column (1) having a predetermined length is prepared in advance at an ironworks [see FIG. 1 (a)], and the steel column (1) is laid on its side, and bundled hoops are attached to the steel column (1). (2)
Is inserted [see FIG. 1 (b)]. Put it on the table.
Next, brackets (3) are welded in four directions on the outer periphery of the steel column (1) [see FIG. 1 (c)]. Then, the steel column (1) is transported from an ironworks and lifted by a crane truck or the like, and the steel column (1) is laid sideways so that the two-way bracket (3) is grounded as shown in FIG. 1 (d). At this time, since the bracket (3) is directly placed on the ground, the height of the steel column (1) is lower than that of the conventional steel column by 45 degrees, and the height of the bracket (3) becomes lower by that amount. The height is such that you can work from the ground without having to step on the workbench. Then, a steel section (4) was placed on the corner of the top of the laid steel column (1) as shown in FIG.
As shown in (e), it is crossed and fixed by welding or bolting. It is also possible to transport the steel bars (4) fixed to the steel columns (1) in advance at the ironworks.
Next, one main reinforcing bar (5) is put on the cross portion of the shaped steel (4) and bound, and a plurality of main reinforcing bars (5) are put on the crossed portion other than the crossed portion of the shaped steel (4) to temporarily bind them [FIG. (F)]. Thereafter, the bundled hoop muscles (2) are arranged at regular intervals [see FIG. 1 (g)], and the vertices of the bundled hoop muscles (2) are tied together and the temporarily tied main muscle (5) is placed in the middle of the square hoop muscle (2). Move to the corner and fix. Then, the main bar (5) is inserted into the lower corner of the hoop bar (2) or, as shown in FIG. ) And its main bar (5) are bound by a line [see FIG. 1 (h)]. In this way, a number of hoop bars (2) and main bars (5) are arranged around the steel column (1) at the site on the ground to finish.
【０００８】[0008]
【発明の効果】本発明はこのように構成させたことによ
り、下記に記載する効果を有する。The present invention having the above-described structure has the following effects.
【０００９】先ず始めに鉄骨柱（１）に束状のフープ筋
（２）を挿入し、鉄骨柱（１）の外周にブラケット
（３）を溶接し、該ブラケット（３）の２方向が接地す
るように鉄骨柱（１）を横に寝かせた状態で作業するこ
とにより、従来必要であった作業台や足場組み或いは脚
立などが不要となるので、仮設設備が軽減し、且つ、形
鋼（４）の溶接作業，形鋼（４）のクロス部分に主筋
（５）を固定させるための結束作業，定間隔にフープ筋
（２）を配置する作業，フープ筋（２）中央の角に主筋
（５）を固定させるための結束作業，フープ筋（２）下
部の角に主筋（５）を固定させるための作業などが地上
の現場で行えるものとなる。従って、作業効率が良く且
つ安全で簡単に作業が行えると共に、長尺な鉄筋が使用
出来るので、圧接工事や検査等の費用が軽減でき、しか
も地上で且つ同じ場所での作業が可能で、更に場所も余
り取らないので、運搬及び重機使用の効率が良くなり、
また鉄筋工事が先行して行えるものとなり、工期の短縮
が可能となるのである。First, a bundle of hoop bars (2) is inserted into a steel column (1), and a bracket (3) is welded to the outer periphery of the steel column (1), and two directions of the bracket (3) are grounded. When the work is performed with the steel column (1) laid down sideways, work tables, scaffolding or stepladders which are conventionally required become unnecessary, so that temporary equipment is reduced, and the shape steel ( 4) welding work, bundling work for fixing the main reinforcement (5) to the cross section of the section steel (4), work for arranging the hoop reinforcement (2) at regular intervals, and the main reinforcement at the center corner of the hoop reinforcement (2) The binding work for fixing (5) and the work for fixing the main muscle (5) to the lower corner of the hoop muscle (2) can be performed on the ground. Therefore, work efficiency is good, safe and simple work can be performed, and long rebar can be used, so that the cost of pressure welding work and inspection can be reduced, and work can be performed on the ground and in the same place. Because it does not take much space, the efficiency of transportation and use of heavy equipment is improved,
In addition, the rebar work can be performed in advance, and the construction period can be shortened.
【００１０】又、鉄骨柱（１）の頂部の角に形鋼（４）
をクロスして固定させ、少なくとも形鋼（４）のクロス
部分に主筋（５）を固定し、且つ複数本の主筋（５）を
形鋼（４）に仮結束させ、束状のフープ筋（２）を定間
隔に配置した後、他の主筋（５）を角に移動させて固定
し、主筋（５）とフープ筋（２）とを番線で結束するこ
とにより、従来の如き半割フープ筋（２’）の両端を合
わせたりその位置関係を確認する必要がなくなり、番線
の結束作業が簡略化でき、手間が減少し、配筋作業が効
率良いものとなる。更に鉄工所に於いてフープ筋（２）
と形鋼（４）が予め取付けられた鉄骨柱（１）を現場へ
持込むことにより、現場作業が簡略化出来るものとな
る。[0010] Also, at the corner of the top of the steel column (1),
Are cross-fixed, the main bar (5) is fixed to at least the cross portion of the section steel (4), and the plurality of main bars (5) are temporarily bound to the section steel (4). After arranging 2) at regular intervals, the other main muscle (5) is moved to a corner and fixed, and the main muscle (5) and the hoop muscle (2) are bound by a dotted line, so that the conventional half-hoop is used. There is no need to align the ends of the streaks (2 ') or check their positional relationship, simplifying the work of tying the track, reducing the labor, and improving the efficiency of the stapling work. In addition, hoop bars at ironworks (2)
By bringing the steel column (1) on which the steel and the shape steel (4) are attached in advance to the site, the on-site work can be simplified.
【図１】本発明方法の実施形態を示す説明図である。FIG. 1 is an explanatory view showing an embodiment of the method of the present invention.
【図２】従来方法の実施形態を示す説明図である。FIG. 2 is an explanatory diagram showing an embodiment of a conventional method.
１ 鉄骨柱 ２ フープ筋 ３ ブラケット ４ 形鋼 ５ 主筋 DESCRIPTION OF SYMBOLS 1 Steel column 2 Hoop bar 3 Bracket 4 Section steel 5 Main bar
Claims (1)
挿入し、鉄骨柱（１）の外周の少なくとも２方向にブラ
ケット（３）を溶接し、２方向のブラケット（３）が接
地するように前記鉄骨柱（１）を横に寝かせ、寝かせた
状態での鉄骨柱（１）の頂部の角に形鋼（４）をクロス
して固定させ、少なくとも形鋼（４）のクロス部分に１
本の主筋（５）を乗せて形鋼（４）に固定し、且つ複数
本の主筋（５）を形鋼（４）に仮結束させ、束状のフー
プ筋（２）を定間隔に配置し、他の少なくとも１本の主
筋（５）を他の角に移動させて固定し、主筋（５）とフ
ープ筋（２）とを番線で結束することを特徴とする鉄骨
柱に於ける主筋及びフープ筋の配筋方法1. A bundle of hoops (2) is inserted into a steel column (1), and a bracket (3) is welded to at least two directions on the outer periphery of the steel column (1) to form a two-way bracket (3). The steel column (1) is laid on its side so that it comes into contact with the ground, and a cross section of the steel column (1) in the laid state is fixed with a cross section of a steel section (4) at least. 1 on the cross
The main bars (5) are placed and fixed to the section steel (4), and the plurality of main bars (5) are temporarily bound to the section steel (4), and the bundled hoop bars (2) are arranged at regular intervals. A main bar in the steel column, wherein at least one other main bar (5) is moved to another corner and fixed, and the main bar (5) and the hoop bar (2) are tied at a line. And hoop muscle arrangement method
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000337040A JP3564059B2 (en) | 2000-11-06 | 2000-11-06 | Arrangement method of main bar and hoop bar in steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000337040A JP3564059B2 (en) | 2000-11-06 | 2000-11-06 | Arrangement method of main bar and hoop bar in steel column |
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| JP2002138578A true JP2002138578A (en) | 2002-05-14 |
| JP3564059B2 JP3564059B2 (en) | 2004-09-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581259A (en) * | 2018-05-11 | 2018-09-28 | 中建钢构江苏有限公司 | A kind of special-shaped complicated king's word turnning box type column production method |
| CN113482150A (en) * | 2021-07-23 | 2021-10-08 | 广州工程总承包集团有限公司 | Elevation-adjustable node reinforcing structure based on pen hoop |
| WO2023142571A1 (en) * | 2022-10-26 | 2023-08-03 | 中铁九局集团第三建设有限公司 | Positioning mold suitable for grating arch frame machining |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805961B (en) * | 2015-03-10 | 2017-03-08 | 中建钢构江苏有限公司 | Oblique bracket girders layer steel column of slab abnormity and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581259A (en) * | 2018-05-11 | 2018-09-28 | 中建钢构江苏有限公司 | A kind of special-shaped complicated king's word turnning box type column production method |
| CN108581259B (en) * | 2018-05-11 | 2020-06-12 | 中建钢构江苏有限公司 | Method for manufacturing special-shaped complex Chinese character Wang' box-shaped column |
| CN113482150A (en) * | 2021-07-23 | 2021-10-08 | 广州工程总承包集团有限公司 | Elevation-adjustable node reinforcing structure based on pen hoop |
| WO2023142571A1 (en) * | 2022-10-26 | 2023-08-03 | 中铁九局集团第三建设有限公司 | Positioning mold suitable for grating arch frame machining |
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| Publication number | Publication date |
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| JP3564059B2 (en) | 2004-09-08 |
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