JPH07924B2 - Reinforcement method of concrete opening - Google Patents
Reinforcement method of concrete openingInfo
- Publication number
- JPH07924B2 JPH07924B2 JP61209226A JP20922686A JPH07924B2 JP H07924 B2 JPH07924 B2 JP H07924B2 JP 61209226 A JP61209226 A JP 61209226A JP 20922686 A JP20922686 A JP 20922686A JP H07924 B2 JPH07924 B2 JP H07924B2
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing
- opening
- corner
- concrete
- along
- 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】 〔産業上の利用分野〕 この発明は鉄筋コンクリート造あるいは鉄骨鉄筋コンク
リート造のコンクリート壁における開口部の隅角部の補
強方法に関する。Description: TECHNICAL FIELD The present invention relates to a method for reinforcing a corner portion of an opening in a concrete wall of a reinforced concrete structure or a steel frame reinforced concrete structure.
従来、この種の補強方法としては予め配筋された壁の補
強筋の外側に斜め筋あるいはメッシュ筋等を取付けてい
る。Conventionally, as a reinforcement method of this kind, diagonal reinforcements or mesh reinforcements are attached to the outside of reinforcement reinforcements of walls that have been arranged in advance.
しかし、上記のような形態では適正なかぶり厚を確保す
ることができない。However, in the above-mentioned form, it is not possible to secure a proper cover thickness.
また補強筋の配筋精度に問題がある場合、適正な位置に
取付けることができず、開口入隅部の歪が一定値を超え
るとコンクリートに亀裂が入ることにより、鉄筋に応力
が作用し、開口入隅部の角度変化に抵抗することができ
ない。Also, if there is a problem with the reinforcing bar arrangement accuracy, it cannot be installed in an appropriate position, and if the distortion in the corners of the opening exceeds a certain value, cracks will enter into the concrete, causing stress on the reinforcing bar, It cannot resist changes in the angle of the opening corners.
この発明は従来の問題点に鑑みなされたもので、その目
的は、配筋施工の段階から適正な鉄筋間隔及びかぶり厚
を確保できると共に、終局耐力及びコンクリートとの定
着性能を向上させ、コンクリート開口隅部の変形を抑え
る等、すぐれた補強性能を提供することにある。The present invention has been made in view of the conventional problems, and its purpose is to ensure an appropriate reinforcing bar interval and cover thickness from the stage of reinforcing bar construction, improve ultimate strength and anchoring performance with concrete, and improve concrete opening. It is to provide excellent reinforcement performance such as suppressing deformation of corners.
その手段として、コンクリート壁の開口隅角部に沿うよ
うに形成した入隅部の外側に該隅角部に斜め45°方向に
配置する対引張補強片を、該入隅部の両端から鋼板主体
の外周に沿って対圧縮補強片を共に同一平面上に設け、
それら補強片を除く任意の箇所に貫通したコンクリート
定着孔を配設した補強金具を、鉄筋コンクリート壁の開
口隅角部に沿って縦横方向に重合して配筋する補強筋間
に介在して、入隅部が開口隅角部に沿うように支持、固
定することを特徴とする。As a means for that, a tension-reinforcing piece arranged at an angle of 45 ° to the corner portion outside of the corner portion formed along the opening corner portion of the concrete wall, is mainly composed of a steel plate from both ends of the corner portion. Providing anti-compression reinforcement pieces together on the same plane along the outer circumference of
Reinforcing metal fittings with concrete anchoring holes penetrating anywhere except those reinforcing pieces are placed between the reinforcing bars that are arranged by stacking them vertically and horizontally along the corners of the opening of the reinforced concrete wall. It is characterized in that the corner is supported and fixed so as to be along the corner of the opening.
本発明に係るコンクリート開口部の補強方法を実施する
に当り、まず補強金具について実施例を図面に基づいて
詳細に説明する。In carrying out the method for reinforcing a concrete opening according to the present invention, first, an embodiment of a reinforcing metal fitting will be described in detail with reference to the drawings.
第１図は本発明のコンクリート開口部の補強方法に使用
する補強金具の正面図である。FIG. 1 is a front view of a reinforcing metal fitting used in the method for reinforcing a concrete opening of the present invention.
図に示す１は補強金具、２は一枚の適宜厚みを有する鋼
板主体であり、その一部に切欠状の入隅部３を設けてあ
る。Reference numeral 1 shown in the drawing is a reinforcing metal fitting, and 2 is a sheet of steel plate having an appropriate thickness as a main body, and a notched corner 3 is provided in a part thereof.
４はこの鋼板主体２の同一平面内において入隅部３の外
側に斜め45°（ａ−ａ線上）に形成した対引張補強片で
ある。Reference numeral 4 denotes a tension reinforcing piece formed at an angle of 45 ° (on the a-a line) outside the corner 3 in the same plane of the steel plate main body 2.
５は入隅部３の両端から鋼板主体２の外周（ｂ−ｂ線）
に沿って設けた対圧縮補強片である。5 is the outer periphery of the steel plate main body 2 (b-b line) from both ends of the corner 3
It is the anti-compression reinforcement piece provided along with.
６−−−は上記補強片４、５を除く鋼板主体２の任意な
個所に貫通して設けたコンクリート定着孔である。Reference numeral 6 --- indicates a concrete fixing hole which is formed by penetrating any portion of the steel plate main body 2 excluding the reinforcing pieces 4 and 5.
次に本発明のコンクリート開口部の補強方法の施工手順
を第２図ａ、ｂ、ｃ、ｄ及び第３図にて説明する。Next, the construction procedure of the concrete opening reinforcing method of the present invention will be described with reference to FIGS. 2 a, b, c, d and FIG.
鉄筋コンクリート壁の開口部Ａにおける隅角部（開口入
隅部）に沿って所定のかぶり厚さを確保して予め垂直方
向に所要ピッチをもって補強筋R1′、R2′−−−を配筋
する。A predetermined covering thickness is secured along a corner portion (opening-containing corner portion) of the opening A of the reinforced concrete wall, and the reinforcing bars R1 ', R2' --- are arranged in advance in the vertical direction at a required pitch.
その後、上記補強筋R1′の外側面所要位置に、補強金具
１をその鋼板主体２における内側入隅部３の垂直方向の
一辺に沿って結束線ａ−−−にて支持、固定する。After that, the reinforcing metal fitting 1 is supported and fixed at a required position on the outer side surface of the reinforcing bar R1 'along the vertical side of the inner corner 3 of the steel plate main body 2 by the binding line a--.
続いて、水平方向の補強筋R1の一方を補強筋R2′に結束
した後、他方を上記補強金具１における外側入隅部３の
水平方向の一辺に沿って結束線ａ−−−にて支持、固定
する。このように、順次補強筋を配筋していく。Subsequently, one of the horizontal reinforcing bars R1 is bound to the reinforcing bar R2 ', and the other is supported by a binding line a ---- along one horizontal side of the outer corner 3 of the reinforcing metal fitting 1. , Fix it. In this way, the reinforcing bars are sequentially arranged.
また、他の施工手順として鉄筋コンクリート壁の開口部
Ａにおける隅角部（開口入隅部）に沿って所定のかぶり
厚さを確保して水平方向と垂直方向に１段目の補強筋R
1,R1′（第１補強筋）を配筋する。In addition, as another construction procedure, a predetermined cover thickness is secured along the corner portion (opening-containing corner portion) of the opening A of the reinforced concrete wall to reinforce the first reinforcing bar R in the horizontal and vertical directions.
Arrange 1, R1 '(first reinforcing bar).
この時、補強金具１は補強筋R1とR1′との間に介在さ
せ、その鋼板主体２の入隅部３の一辺に沿って合わせて
結束線ａ−−−にて固定し配筋を行うものである。At this time, the reinforcing metal fitting 1 is interposed between the reinforcing bars R1 and R1 ', is fixed along the one side of the corner 3 of the steel plate main body 2 and is fixed by the binding line a --- to perform the bar arrangement. It is a thing.
続いて上記第１補強筋に並行して所定の間隔を保持すべ
く２段目の補強筋R1、R1′（第２補強筋）を順次配筋す
ることも可能である。Then, it is also possible to sequentially arrange the reinforcing bars R1 and R1 ′ (second reinforcing bars) in the second stage in parallel with the first reinforcing bars so as to maintain a predetermined distance.
以上、詳細に説明したように、本発明のコンクリート開
口部の補強方法によれば、前記のように一枚の鋼板主体
による一体の補強金具を補強筋の配筋施工の段階から組
込むことができ、必要でかつ適正なかぶり厚及び鉄筋間
隔が有利に、確実に確保され、配筋及び施工精度が著し
く向上する。As described above in detail, according to the method for reinforcing a concrete opening of the present invention, it is possible to incorporate an integral reinforcing metal member mainly composed of one steel plate from the stage of reinforcing bar reinforcement construction as described above. The necessary and appropriate cover thickness and rebar spacing are advantageously and reliably ensured, and the bar arrangement and construction accuracy are significantly improved.
また、重合する補強筋の間に介在させて取付けるため、
確実に支持、固定でき、終局耐力及びコンクリートとの
定着性能を向上させる等、実用上極めて有効な補強方法
を提供できる。Also, because it is installed by interposing between the reinforcing reinforcements that overlap,
It is possible to provide a reinforcing method that is extremely effective in practical use, such that it can be reliably supported and fixed, and the ultimate proof strength and the fixing performance with concrete are improved.
第１図は本発明のコンクリート開口部の補強方法に使用
する補強金具の正面図、第２図ａ、ｂ、ｃ、ｄ及び第３
図は本発明のコンクリート開口部の補強方法を示した正
面図及び側面断面図である。 １……補強金具 ２……鋼板主体 ３……入隅部 R1、R1′、R2′……補強筋FIG. 1 is a front view of a reinforcing metal fitting used in the method for reinforcing a concrete opening according to the present invention, and FIGS. 2 a, b, c, d and 3
The drawings are a front view and a side sectional view showing a method for reinforcing a concrete opening according to the present invention. 1 ... Reinforcing metal fitting 2 ... Mainly steel plate 3 ... Entered corners R1, R1 ', R2' ... Reinforcing bar
───────────────────────────────────────────────────── フロントページの続き 審査官 山本 芳栄 (56)参考文献 特開 昭58−73650（ＪＰ，Ａ) 実開 昭56−133023（ＪＰ，Ｕ) 実公 昭55−44964（ＪＰ，Ｙ２) ─────────────────────────────────────────────────── ─── Continuation of front page Examiner Yoshie Yamamoto (56) References JP 58-73650 (JP, A) Actual development S56-133023 (JP, U) Actual public S55-44964 (JP, Y2)
Claims (1)
形成した入隅部の外側に該開口隅角部に斜め45°方向に
配置する対引張補強片を、該入隅部の両端から鋼板主体
の外周に沿って対圧縮補強片を共に同一平面上に設け、
それら補強片を除く任意の箇所に貫通したコンクリート
定着孔を配設した補強金具を、鉄筋コンクリート壁の開
口隅角部に沿って縦横方向に重合して配筋する補強筋間
に介在して、該入隅部が開口隅角部に沿うように支持、
固定することを特徴とするコンクリート開口部の補強方
法。1. A tension-resistant reinforcing piece, which is arranged along the opening corner of a concrete wall and is arranged at an angle of 45 ° to the outside of the entering corner, is provided from both ends of the entering corner. Along with the outer circumference of the steel plate, both anti-compression reinforcement pieces are provided on the same plane,
Reinforcing metal fittings that have concrete anchoring holes penetrating at any place except those reinforcing pieces are placed between the reinforcing bars that are arranged by superposing in the vertical and horizontal directions along the opening corners of the reinforced concrete wall. Support so that the inside corner is along the opening corner,
A method for reinforcing concrete openings, characterized by fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61209226A JPH07924B2 (en) | 1986-09-05 | 1986-09-05 | Reinforcement method of concrete opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61209226A JPH07924B2 (en) | 1986-09-05 | 1986-09-05 | Reinforcement method of concrete opening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6363850A JPS6363850A (en) | 1988-03-22 |
| JPH07924B2 true JPH07924B2 (en) | 1995-01-11 |
Family
ID=16569439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61209226A Expired - Lifetime JPH07924B2 (en) | 1986-09-05 | 1986-09-05 | Reinforcement method of concrete opening |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07924B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5544964U (en) * | 1978-09-19 | 1980-03-24 | ||
| JPS606084Y2 (en) * | 1980-03-11 | 1985-02-26 | 日鐵建材工業株式会社 | Reinforcement structure for corners of reinforced concrete wall openings |
| JPS5873650A (en) * | 1981-10-26 | 1983-05-02 | 鹿島建設株式会社 | Apparatus for reinforcing opening of concrete structure |
-
1986
- 1986-09-05 JP JP61209226A patent/JPH07924B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6363850A (en) | 1988-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |