JP2757030B2 - Beam-to-column connection method for precast concrete - Google Patents
Beam-to-column connection method for precast concreteInfo
- Publication number
- JP2757030B2 JP2757030B2 JP20286589A JP20286589A JP2757030B2 JP 2757030 B2 JP2757030 B2 JP 2757030B2 JP 20286589 A JP20286589 A JP 20286589A JP 20286589 A JP20286589 A JP 20286589A JP 2757030 B2 JP2757030 B2 JP 2757030B2
- Authority
- JP
- Japan
- Prior art keywords
- column
- cavity
- hollow portion
- receiving bracket
- precast concrete
- 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 - Fee Related
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はプレキヤストコンクリート造軸組構造におけ
る柱梁の接合方法に係るものである。The present invention relates to a method for joining columns and beams in a precast concrete frame structure.
（従来の技術） 従来のプレキヤストコンクリート造軸組構造において
は、PC柱に取合うPC梁のレベルが大幅にくい違う場合
は、PC梁による施工を取り止め、柱も含めた場所打ちコ
ンクリート工法とするのが一般的であった。(Conventional technology) In the conventional precast concrete frame structure, if the level of PC beams to be used for PC columns is significantly different, the construction using PC beams will be canceled and the cast-in-place concrete method including columns will be adopted. Was common.
（発明が解決しようとする課題） 床にレベル差が必要な場合には、前記したように在来
の場所打ちコンクリート工法とするので、PC工法の適用
比率が減少し、同PC工法の利点を十分に発揮できない場
合が生じる。(Problems to be Solved by the Invention) When a level difference is required for the floor, the conventional cast-in-place concrete method is used as described above, so the application ratio of the PC method is reduced, and the advantage of the PC method is reduced. In some cases, it cannot be fully utilized.
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、PC梁のレベルが異なる場合、同PC梁の梁主
筋が柱梁接合部内に定着され、床高の違った躯体をPC工
法によって構築しうるプレキヤストコンクリート造にお
ける柱梁接合方法を提供する点にある。The present invention has been proposed in view of the problems of the prior art, and when the level of the PC beam is different, the beam main reinforcement of the same PC beam is fixed in the beam-to-column joint, and the skeleton having a different floor height is connected to the PC. It is an object of the present invention to provide a method for joining columns and beams in a precast concrete structure that can be constructed by a construction method.
（課題を解決するための手段） 前記の目的を達成するため、本発明に係るプレキヤス
トコンクリート造における柱梁接合方法は、PC柱の柱頭
に頂面及び側面が開放された空洞部を設けるとともに、
同空洞部の下底面に連接する梁受ブラケツトを設け、且
つ前記空洞部における側面開放部に露出する柱の帯筋を
ほぼ中央部より切断して前記空洞部内に折曲げ、次いで
PC梁を前記梁受ブラケツトに載架して、同PC梁の梁下端
筋の突出定着端部を前記空洞部内に嵌入せしめ、次いで
前記帯筋における空洞部内折曲部間に亘って補強帯筋を
取付けたのち、前記空洞部に上部パネルゾーンと一体に
コンクリートを打設するように構成されている。(Means for Solving the Problems) In order to achieve the above object, a method of joining a column and a beam in precast concrete construction according to the present invention is to provide a cavity having an open top surface and side surfaces at the capital of a PC column. ,
A beam receiving bracket connected to the lower bottom surface of the hollow portion is provided, and a streak of a column exposed at a side open portion of the hollow portion is cut from a substantially central portion and bent into the hollow portion.
A PC beam is mounted on the beam receiving bracket, and a protruding fixing end of a lower end bar of the PC beam is fitted into the cavity, and then a reinforcing band is provided between the inside bent portions of the band in the band. After mounting, concrete is poured into the hollow portion integrally with the upper panel zone.
（作用） 本発明によればPC柱の柱頭に、頂面及び側面が開放さ
れたPC柱接合用の空洞部を設けるとともに、同空洞部の
下底面に連接する梁受ブラケツトを設け、前記空洞部に
おける側面開放部に露出する柱の帯筋をほぼ中央部より
切断して、前記空洞部の両側に折曲げておくことによっ
て、前記梁受ブラケツトに載架したPC梁の梁下端の端部
突出部を前記空洞部内に挿入し、しかるのち前記帯筋に
おける空洞部内両側折曲部間に亘って補強帯筋を取付け
て前記空洞部における側面開放部を補強したのち、同空
洞部に上部パネルゾーンと一体にコンクリートを打設す
ることによって、前記梁下端の空洞部内突出端部及び同
打設コンクリートを介して前記PC梁をPC柱の柱頭側面に
一体に接合するものである。(Operation) According to the present invention, a PC column joining cavity having an open top surface and a side surface is provided at the capital of a PC column, and a beam receiving bracket connected to the lower bottom surface of the cavity portion is provided. The end of the lower end of the beam of the PC beam mounted on the beam receiving bracket is obtained by cutting the streak of the column exposed at the side opening portion of the portion from the substantially central portion and bending it to both sides of the hollow portion. After inserting the protruding portion into the hollow portion, and then attaching a reinforcing stirrup between both bent portions inside the hollow portion of the stirrup to reinforce the side opening portion in the hollow portion, the upper panel is inserted into the hollow portion. By casting concrete integrally with the zone, the PC beam is integrally joined to the columnar side face of the PC column via the cast-out concrete at the lower end of the beam and the cast concrete.
（実施例） 以下本発明を図示の実施例について説明する。(Example) Hereinafter, the present invention will be described with reference to an illustrated example.
（Ａ）はPC柱で、柱頭部に頂面及び側面に開放された
空洞部（１）を設けるとともに、同空洞部（１）の下底
面に連接する梁受ブラケツト（２）を設け、前記空洞部
（１）の側面開放部に露出する帯筋（３）を中央部より
切断して空洞部（１）の両側に折曲げる。(A) is a PC column which has a cavity (1) open at the top and side surfaces at the column head, and a beam receiving bracket (2) connected to the lower bottom surface of the cavity (1). The streak (3) exposed at the open side of the cavity (1) is cut from the center and bent to both sides of the cavity (1).
図中（４）は柱主筋、（５）は柱頭部に設けた頂部梁
受ブラケツトである。In the figure, (4) is a column main reinforcement, and (5) is a top beam receiving bracket provided on the column capital.
（Ｂ）は前記PC柱（Ａ）頂部の梁（Ｂ′）より段差を
以って接合されるPC梁で、梁端面より梁下端筋（６）の
端部が突設されている。(B) is a PC beam that is joined with a step from the beam (B ′) at the top of the PC column (A), and the end of the lower beam bar (6) protrudes from the beam end face.
而して前記PC梁（Ｂ）を梁受ブラケツト（２）に載架
し、梁下端筋（６）の突出端部を前記空洞部（１）内に
突出せしめる。一方、前記PC柱（Ａ）の頂部梁受ブラケ
ツト（５）にPC梁（Ｂ′）を載架する。Then, the PC beam (B) is mounted on the beam receiving bracket (2), and the projecting end of the beam lower end bar (6) is projected into the cavity (1). On the other hand, a PC beam (B ') is mounted on the top beam receiving bracket (5) of the PC column (A).
次いで門型の補強帯筋（７）を、相対する前記空洞部
（１）内の折曲帯筋（３）（３）間に溶着したのち、前
記空洞部（１）内に同部上方のパネルゾーンと一体にコ
ンクリート（Ｃ）（Ｃ′）を打設し、前記PC梁（Ｂ）を
PC柱（Ａ）の空洞部（１）に確固と接合し、PC柱（Ａ）
の柱頭部にパネルゾーンコンクリート（Ｃ′）を介して
PC梁（Ｂ′）を接合したことと相俟って、レベルに段差
のあるPC梁（Ｂ）（Ｂ′）を、PC柱（Ａ）に一体に接合
するものである。Next, a portal-type reinforcing stirrup (7) is welded between the bent stirrups (3) and (3) in the cavity (1) facing each other, and then is inserted into the cavity (1). Concrete (C) and (C ') are cast together with the panel zone, and the PC beam (B) is
It is firmly joined to the cavity (1) of PC column (A), and PC column (A)
Through the panel zone concrete (C ')
Coupled with the joining of the PC beams (B '), the PC beams (B) and (B') having a level difference are integrally joined to the PC column (A).
（発明の効果） このように本発明によれば、PC柱の柱頭に頂面及び側
面が開放されたPC梁接合用空洞部を設けるとともに、同
空洞部の下底面に連接する梁受ブラケツトを設け、前記
空洞部における側面開放部に露出する柱の帯筋をほぼ中
央から切断して空洞部の両側に折曲げることによって、
同空洞部の側面を開口し、前記梁受ブラケツトに載架し
たPC梁の端面より突出した梁下端筋の定着端部を前記空
洞部に挿入されるようにしたものである。次いで本発明
は、前記空洞部の両側折曲帯筋間に亘って補強鉄筋を取
付けて、前記空洞部の側面開放部に補強筋を配筋したの
ち、同空洞部に上方パネルゾーンと一体にコンクリート
を打設することによって、前記PC梁を前記空洞部を介し
てPC柱の柱頭側面に一体に接合し、前記上方パネルゾー
ンに打設されたコンクリートを介して、柱頭部にPC梁を
一体に接合することと相俟って、レベル差のくい違った
PC梁を現場打ちコンクリート工法によらずPC工法によっ
てPC柱に架設することができ、現場施工を低減し、作業
を簡略化し、省力化と工程の短縮を図り、工費を節減し
うるものである。(Effects of the Invention) As described above, according to the present invention, a PC beam joining cavity having an open top surface and side surfaces is provided at the capital of a PC column, and a beam receiving bracket connected to the lower bottom surface of the cavity is provided. Provided, by cutting the stirrups of the column exposed at the side opening portion of the cavity from substantially the center and bending both sides of the cavity,
The side surface of the cavity is opened, and the fixing end of the lower end of the beam protruding from the end surface of the PC beam mounted on the beam receiving bracket is inserted into the cavity. Then, the present invention attaches a reinforcing bar between the bent bars on both sides of the hollow portion, arranges a reinforcing bar on an open side surface of the hollow portion, and then integrally with the upper panel zone in the hollow portion. By casting concrete, the PC beam is integrally joined to the side of the capital of the PC column via the cavity, and the PC beam is integrated with the column capital via the concrete cast in the upper panel zone. And the level difference was different
The PC beam can be erected on the PC column by the PC method instead of the cast-in-place concrete method, which can reduce the on-site construction, simplify the work, save labor and shorten the process, and save the construction cost. .
第１図は本発明の方法によって施工されたプレキヤスト
コンクリート造における柱梁接合部を示す縦断面図、第
２図は第１図の矢視II−II図、第３図はPC柱の斜視図で
ある。 （Ａ）……PC柱、（Ｂ）……PC梁、 （Ｂ′）……柱頭部の梁、 （Ｃ）……空洞部コンクリート、 （Ｃ′）……パネルゾーンコンクリート、 （１）……空洞部、（２）……梁受ブラケツト、 （３）……帯筋、（６）……梁下端筋、 （７）……補強帯筋。FIG. 1 is a longitudinal sectional view showing a beam-column joint in a precast concrete structure constructed by the method of the present invention, FIG. 2 is a II-II view of FIG. 1, and FIG. 3 is a perspective view of a PC column. FIG. (A) PC column, (B) PC beam, (B ') ... Beam of column capital, (C) Concrete hollow, (C') Panel zone concrete, (1) ... cavity, (2) ... beam receiving bracket, (3) ... band, (6) ... beam bottom, (7) ... reinforcing band.
Claims (1)
洞部を設けるとともに、同空洞部の下底面に連接する梁
受ブラケツトを設け、且つ前記空洞部における側面開放
部に露出する柱の帯筋をほぼ中央部より切断して前記空
洞部内に折曲げ、次いでPC梁を前記梁受ブラケツトに載
架して、同PC梁の梁下端筋の突出定着端部を前記空洞部
内に嵌入せしめ、次いで前記帯筋における空洞部内折曲
部間に亘って補強帯筋を取付けたのち、前記空洞部に上
部パネルゾーンと一体にコンクリートを打設することを
特徴とするプレキヤストコンクリート造における柱梁接
合方法。A cavity having an open top surface and side surfaces is provided at the capital of a PC column, a beam receiving bracket is provided on a lower surface of the cavity portion, and is exposed at a side opening portion of the cavity portion. The stirrup of the column is cut from almost the center and bent into the cavity, and then the PC beam is mounted on the beam receiving bracket, and the projecting fixing end of the lower end beam of the PC beam is inserted into the cavity. A precast concrete structure characterized by inserting a reinforcing stirrup between the bent portions in the hollow portion of the stirrup and then placing concrete integrally with the upper panel zone in the hollow portion. Column and beam joining method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20286589A JP2757030B2 (en) | 1989-08-07 | 1989-08-07 | Beam-to-column connection method for precast concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20286589A JP2757030B2 (en) | 1989-08-07 | 1989-08-07 | Beam-to-column connection method for precast concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0366849A JPH0366849A (en) | 1991-03-22 |
| JP2757030B2 true JP2757030B2 (en) | 1998-05-25 |
Family
ID=16464479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20286589A Expired - Fee Related JP2757030B2 (en) | 1989-08-07 | 1989-08-07 | Beam-to-column connection method for precast concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2757030B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7037394B2 (en) * | 2018-03-13 | 2022-03-16 | 三井住友建設株式会社 | Joint structure of half PCa column and PCa wall or PCa beam |
-
1989
- 1989-08-07 JP JP20286589A patent/JP2757030B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0366849A (en) | 1991-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |