JPH09264047A - Construction method of reinforced concrete structure using u-shaped beam - Google Patents
Construction method of reinforced concrete structure using u-shaped beamInfo
- Publication number
- JPH09264047A JPH09264047A JP7662696A JP7662696A JPH09264047A JP H09264047 A JPH09264047 A JP H09264047A JP 7662696 A JP7662696 A JP 7662696A JP 7662696 A JP7662696 A JP 7662696A JP H09264047 A JPH09264047 A JP H09264047A
- Authority
- JP
- Japan
- Prior art keywords
- hollow
- bar
- concrete
- beam member
- members
- 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.)
- Pending
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- Rod-Shaped Construction Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は鉄筋コンクリート
（以下ＲＣという）構築物の構築にＲＣ柱とＲＣ梁を夫
々柱は口型、梁はＵ型の中空プレキャスト部材とし、同
各柱、梁部材を用いたＲＣ構造物の構築工法に係るもの
である。TECHNICAL FIELD The present invention relates to the construction of a reinforced concrete (hereinafter referred to as RC) structure by using RC columns and RC beams as hollow precast members of column type and U type, respectively. It is related to the construction method of the RC structure.
【０００２】[0002]
【従来の技術】従来、ＲＣ構造物の構築に際しては、柱
ａ、梁ｂ、壁等の部材を中空プレキャスト化して施工の
合理化を図る工法が開発されている。（図４参照） 前記従来の工法においては、フルプレキャストの梁の場
合、梁の下端主筋ｂ1をパネルゾーン内で折り曲げ定着
する工法が一般的である。2. Description of the Related Art Conventionally, when constructing an RC structure, a method has been developed in which members such as pillars a, beams b and walls are made into hollow precast to streamline construction. (See FIG. 4) In the conventional construction method described above, in the case of a full-precast beam, a construction method in which the lower end main bar b 1 of the beam is bent and fixed in the panel zone is generally used.
【０００３】また梁の軽量化を図るため、中空プレキャ
ストコンクリート梁部材（以下中空梁部材という）が用
いられる場合もあるが、この場合、梁主筋の継手に重ね
継手を用いることが多く、重ね継手筋はＵ型断面内底板
上にセットされる。図中、ｂ′は重ね継手筋、ｂ″は梁
の上端主筋である。またａ′は柱主筋、ａ″は柱主筋の
折り曲げフック、ａ′′′は柱主筋の重ね継手筋、ｃは
柱の帯筋、ｄは梁の肋筋である。In order to reduce the weight of the beam, a hollow precast concrete beam member (hereinafter referred to as a hollow beam member) may be used, but in this case, a lap joint is often used as a joint for the beam main bar, and the lap joint is often used. The muscle is set on the bottom plate in the U-shaped cross section. In the figure, b'is a lap joint bar, b "is a beam upper end bar, a'is a column bar, a" is a bending bar of the column bar, a '"is a column bar lap joint bar, and c is The stirrup of the column, d is the rib of the beam.
【０００４】[0004]
【発明が解決しようとする課題】前記従来工法において
は、プレキャストの梁部材に二段筋を配筋することは困
難である。また部材の軽量化を図った中空梁部材にあっ
ては、部材断面内に二段筋を設けようとすると、鉄筋の
本数が多くなるのと、二段筋が上方に追いやられて配筋
され、応力的に不利になるため望ましくない。In the above conventional method, it is difficult to arrange the two-stage bar on the precast beam member. In addition, in the case of hollow beam members that are designed to reduce the weight of members, if two-bars are to be provided in the member cross section, the number of reinforcing bars will increase, and the two-bars will be driven upwards and arranged. However, it is not desirable because it is disadvantageous in terms of stress.
【０００５】更にまた中空梁部材に重ね継手を設けた場
合、部材断面によって主筋の径や本数が限られ、また重
ね継手筋はＵ型断面内底板上にセットされるため、後打
ちコンクリートの梁主筋下部への充填が困難であった。
本発明は前記従来技術の有する問題点に鑑みて提案され
たもので、その目的とするところは中空梁断面の二段配
筋が可能となり、従来よりも多くの主筋を配設すること
が可能で、高応力のかかる部材個所にも適用でき、主筋
下部の後打ちコンクリートの充填性が向上された鉄筋コ
ンクリート構造物の構築工法を提供する点にある。Furthermore, when a lap joint is provided on the hollow beam member, the diameter and number of main bars are limited depending on the member cross section, and the lap joint bar is set on the bottom plate in the U-shaped section, so that the beam of post-cast concrete is used. It was difficult to fill the lower part of the main muscle.
The present invention has been proposed in view of the above problems of the prior art, and the object thereof is to enable a two-stage bar arrangement of a hollow beam cross section, and to arrange more main bars than in the past. Therefore, it is also applicable to the parts where high stress is applied and provides a construction method of a reinforced concrete structure in which the filling property of the post-cast concrete below the main reinforcement is improved.
【０００６】[0006]
【課題を解決するための手段】前記の目的を達成するた
め、本発明に係るＵ型梁部材を用いた鉄筋コンクリート
構造物の構築工法によれば、Ｌ型の肋筋を内蔵した２枚
のコンクリート平板を製作したのち立て起こし、下端梁
主筋を配筋し、底の部分にコンクリートを打設して前記
肋筋及び下端梁主筋を内蔵したＵ型断面の中空梁部材を
製作し、同中空梁部材を中空柱部材間に架設したのち前
記柱梁部材の中空部にコンクリートを充填するものであ
る。In order to achieve the above object, according to the method for constructing a reinforced concrete structure using a U-shaped beam member according to the present invention, two concretes having L-shaped ribs built therein are provided. After making a flat plate, standing it up, arranging the lower beam main bars, and placing concrete at the bottom to make a hollow beam member with a U-shaped cross section that incorporates the ribs and the lower beam main bars. After the members are installed between the hollow pillar members, concrete is filled in the hollow portion of the pillar / beam member.
【０００７】請求項２の発明はＵ型断面の中空梁部材に
おいて、主筋は二段配筋とし、同主筋の下端筋はパネル
ゾーンでの折り曲げ定着とし、二段筋は通し配筋とする
請求項１記載のＵ型梁部材を用いた鉄筋コンクリート構
造物の構築方法に係るものである。According to a second aspect of the present invention, in a hollow beam member having a U-shaped cross section, the main bar has a two-stage bar arrangement, the lower end bar of the main bar has a bending anchor in the panel zone, and the two-stage bar has a through bar arrangement. The present invention relates to a method for constructing a reinforced concrete structure using the U-shaped beam member according to Item 1.
【０００８】[0008]
【発明の実施の形態】以下、本発明を図面に示す本発明
の最も好ましい実施の形態について説明する。図１は梁
施工手順を示し、梁下端主筋１及びＬ型状の肋筋２が内
蔵された中空プレキャストコンクリート梁構成用の平板
状の梁構成部材３を平打ちで打設する。同梁構成部材３
は平打ちで製作されるので表面を粗面に形成して後打ち
コンクリートとの一体性の向上が図られる。（図１
（イ）参照） 次いで図１（ロ）に示すように一双の前記平板状の梁構
成部材３を立て起こし、相対する同梁構成部材３、３間
の底部分にコンクリート４を打設してＵ型の中空プレキ
ャストコンクリート梁部材Ａを構成する。（図１（ハ）
参照） 図中５は梁上端主筋である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The most preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a beam construction procedure. A flat plate-shaped beam component member 3 for constructing a hollow precast concrete beam in which a beam lower end main bar 1 and an L-shaped rib 2 are built is punched. Same beam component 3
Since it is manufactured by flat-casting, the surface is made rough and the integration with post-cast concrete is improved. (Figure 1
(See (a)) Next, as shown in FIG. 1 (b), the pair of flat plate-shaped beam constituting members 3 are raised and raised, and concrete 4 is placed on the bottom portion between the opposing beam constituting members 3 and 3. A U-shaped hollow precast concrete beam member A is constructed. (Figure 1 (c)
(Refer to 5) in the figure is a beam upper end main bar.
【０００９】而してＲＣ構造物の構築に際しては、中空
プレキャストコンクリート柱部材Ｂを所定位置に設置し
てサポートにより支持し、同柱部材Ｂ間に前記中空プレ
キャストコンクリート梁部材Ａを設置して、サポートに
より仮支持する。かくして前記梁部材Ａを支持したの
ち、二段筋６を配筋し、パネルゾーンにおいて柱主筋７
間に帯筋８を配筋するとともに、梁下端主筋１を折り曲
げて定着する。図中９は梁主筋の折り曲げ定着部であ
る。When constructing an RC structure, a hollow precast concrete pillar member B is installed at a predetermined position and supported by a support, and the hollow precast concrete beam member A is installed between the pillar members B, Temporarily support by support. After supporting the beam member A in this way, the two-stage bar 6 is arranged, and the column main bar 7 is arranged in the panel zone.
The stirrup 8 is arranged between them, and the beam lower end main bar 1 is bent and fixed. Reference numeral 9 in the figure is a bending fixing portion of the beam main bar.
【００１０】次いで合成床板１０を設置したのち同床板
１０部と柱・梁中空部分に後打ちコンクリート１１を打
設し、前記各部材を一体化する。以上を１つの工程とし
て繰り返し、ＲＣ造の建物を構築するものである。図
中、１２は柱主筋の機械式継手を示す。（図３参照） なお図２は二段筋６を有する中空プレキャストコンクリ
ート梁部材Ａの他の例を示し、スペーサー１３を使用し
た場合と、スペーサーを使用しない場合とを示し、図
中、前記実施例と均等部分には同一符号が付されてい
る。Next, after the synthetic floor board 10 is installed, the post-casting concrete 11 is placed in the hollow board and the hollow portion of the pillar and beam of the same floor board 10 to integrate the respective members. The above is repeated as one process to construct an RC building. In the figure, reference numeral 12 represents a mechanical joint of a column main bar. (See FIG. 3) FIG. 2 shows another example of the hollow precast concrete beam member A having the bunk bars 6, showing the case of using the spacer 13 and the case of not using the spacer. The same parts as those in the example are designated by the same reference numerals.
【００１１】[0011]
【発明の効果】本発明は前記したように、Ｌ型の肋筋を
内蔵して製作した２枚のコンクリート平板を立て起こし
梁下端主筋を配筋し、底の部分にコンクリートを打設し
て、前記梁下端主筋及び前記肋筋を内蔵したＵ型断面の
中空梁部材を製作したので同梁部材を構成する一双のコ
ンクリート平板が平打ちによって製作されるため表面を
粗面に形成し後打ちコンクリートとの一体性を向上しう
るものである。As described above, according to the present invention, two concrete flat plates produced by incorporating L-shaped ribs are erected, the main bars at the lower end of the beam are arranged, and concrete is placed at the bottom. Since a hollow beam member having a U-shaped cross-section including the beam lower end main bar and the rib is built in, a pair of concrete flat plates constituting the beam member are manufactured by flat punching, so that the surface is roughened and post-pressed. It can improve the integrity with concrete.
【００１２】本発明はしかるのち、前記Ｕ型断面の中空
梁部材を中空柱部材間に架設し、しかるのち前記柱梁部
材の中空部にコンクリートを充填するようにしたので、
前記Ｕ型断面の中空梁部材の梁下端主筋をパネルゾーン
で折り曲げ定着するとともに、中空断面の前記梁部材に
二段配筋することができ、従来よりも多くの主筋を配筋
することが可能となり、高応力のかかる部材個所にも使
用できるようになり、主筋を重ね継手する従来工法に比
して主筋下端に対する後打ちコンクリートの充填性も向
上し、確実な主筋の付着性能が期待できる。According to the present invention, the hollow beam member having the U-shaped cross section is thereafter installed between the hollow column members, and then the hollow portion of the column beam member is filled with concrete.
The beam lower end main bar of the U-shaped cross-section hollow beam member can be bent and fixed in the panel zone, and two-step bar reinforcement can be performed on the hollow cross-section beam member, so that more main bars can be arranged than before. Therefore, it is possible to use it even for parts where high stress is applied, and the filling property of the post-cast concrete to the lower end of the main bar is improved as compared with the conventional method of lap jointing the main bar, and reliable adhesion performance of the main bar can be expected.
【００１３】請求項２の発明は前記Ｕ型断面の中空梁部
材において主筋は二段配筋とし、同主筋の下端筋はパネ
ルゾーンでの折り曲げ定着とすることによって、柱梁が
一体に接合され、また二段筋は通し配筋とすることによ
って、前記梁部材の連続性が保持される。According to a second aspect of the present invention, in the hollow beam member having the U-shaped cross section, the main reinforcing bar is a two-stage reinforcing bar, and the lower reinforcing bar of the main reinforcing bar is bent and fixed in the panel zone, whereby the column beams are integrally joined. Moreover, the continuity of the beam member is maintained by forming the two-stage bar through.
【図面の簡単な説明】[Brief description of drawings]
【図１】（イ）（ロ）（ハ）は梁の施工手順を示す断面
図である。1A, 1B, and 1C are cross-sectional views showing a procedure for constructing a beam.
【図２】（イ）（ロ）（ハ）は二段筋を有する中空梁部
材の縦断面図及びスペーサを用いた場合の縦断側面図並
びにスペーサを用いない場合の縦断側面図である。2A, 2B, and 2C are a vertical cross-sectional view of a hollow beam member having two stairs, a vertical side view when a spacer is used, and a vertical side view when a spacer is not used.
【図３】本発明の鉄筋コンクリート構造物の施工状態を
示す縦断面図である。FIG. 3 is a vertical cross-sectional view showing a construction state of the reinforced concrete structure of the present invention.
【図４】（イ）（ロ）は従来工法の配筋図及びＵ型梁の
断面図である。4A and 4B are a bar arrangement diagram and a U-shaped beam cross-sectional view of a conventional method.
Ａ 中空プレキャストコンクリート梁部材 Ｂ 中空プレキャストコンクリート柱部材 １ 梁下端主筋 ２ 肋筋 ３ 梁構成部材 ４ コンクリート ５ 梁上端主筋 ６ 二段筋 ７ 柱主筋 ８ 帯筋 ９ 折り曲げ定着部 １０ 合成床板 １１ コンクリート １２ 機械式継手 １３ スペーサー A Hollow precast concrete beam member B Hollow precast concrete column member 1 Beam lower end main bar 2 Rib bar 3 Beam component member 4 Concrete 5 Beam upper end bar 6 Second step bar 7 Column main bar 8 Belt bar 9 Bending anchorage section 10 Composite floorboard 11 Concrete 12 Machine Type Fitting 13 Spacer
───────────────────────────────────────────────────── フロントページの続き (72)発明者 平野 勝識 東京都渋谷区千駄ヶ谷四丁目６番15号 株 式会社フジタ内 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Masanori Hirano 4-6-15 Sendagaya, Shibuya-ku, Tokyo Inside Fujita Co., Ltd.
Claims (2)
ト平板を製作したのち立て起こし、梁下端主筋を配筋
し、底の部分にコンクリートを打設して前記肋筋及び下
端梁主筋を内蔵したＵ型断面の中空梁部材を製作し、同
中空梁部材を中空柱部材間に架設したのち前記柱梁部材
の中空部にコンクリートを充填することを特徴とするＵ
型梁部材を用いた鉄筋コンクリート構造物の構築工法。1. A pair of concrete flat plates having L-shaped ribs built therein are manufactured, then raised and erected, a beam bottom main bar is arranged, and concrete is placed at the bottom portion to form the ribs and the bottom beam main bar. A hollow beam member having a U-shaped cross-section containing therein is manufactured, the hollow beam member is erected between the hollow column members, and then the hollow portion of the column beam member is filled with concrete.
Construction method of reinforced concrete structure using beam members.
二段配筋とし、同主筋の下端筋はパネルゾーンでの折り
曲げ定着とし、二段筋は通し配筋とする請求項１記載の
Ｕ型梁部材を用いた鉄筋コンクリート構造物の構築方
法。2. The hollow beam member having a U-shaped cross section according to claim 1, wherein the main bar has a two-stage bar arrangement, the lower end bar of the main bar has a bending anchorage in the panel zone, and the two-stage bar has a through bar arrangement. A method for constructing a reinforced concrete structure using a U-shaped beam member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7662696A JPH09264047A (en) | 1996-03-29 | 1996-03-29 | Construction method of reinforced concrete structure using u-shaped beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7662696A JPH09264047A (en) | 1996-03-29 | 1996-03-29 | Construction method of reinforced concrete structure using u-shaped beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09264047A true JPH09264047A (en) | 1997-10-07 |
Family
ID=13610581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7662696A Pending JPH09264047A (en) | 1996-03-29 | 1996-03-29 | Construction method of reinforced concrete structure using u-shaped beam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09264047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022176858A (en) * | 2021-05-17 | 2022-11-30 | 三一筑工科技股▲ふん▼有限公司 | Precast column and precast column connection structure |
-
1996
- 1996-03-29 JP JP7662696A patent/JPH09264047A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022176858A (en) * | 2021-05-17 | 2022-11-30 | 三一筑工科技股▲ふん▼有限公司 | Precast column and precast column connection structure |
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