JPH0765334B2 - Note-beam joint structure - Google Patents
Note-beam joint structureInfo
- Publication number
- JPH0765334B2 JPH0765334B2 JP1083269A JP8326989A JPH0765334B2 JP H0765334 B2 JPH0765334 B2 JP H0765334B2 JP 1083269 A JP1083269 A JP 1083269A JP 8326989 A JP8326989 A JP 8326989A JP H0765334 B2 JPH0765334 B2 JP H0765334B2
- Authority
- JP
- Japan
- Prior art keywords
- reinforced concrete
- joint
- concrete column
- hardware
- steel beam
- 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
- Joining Of Building Structures In Genera (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柱と鉄骨梁とを接合金物で
接続すると同時に、鉄筋コンクリート柱内にコアコンク
リートを拘束する拘束金物を配置した、柱・梁接合部構
造に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention connects a reinforced concrete column and a steel beam with a joint metal fitting, and at the same time, arranges a restraining metal fitting for restraining the core concrete in the reinforced concrete pillar. It is related to the partial structure.
（発明が解決しようとする課題） 鉄筋コンクリート柱と鉄骨梁とを、接合部における打設
コンクリートの流動性と配筋施工性を考慮した羽子板ボ
ルト状の接合金物を用いて接合する構造を出願人は幾つ
か提案しているが、更にコンクリート柱の梁との接合部
には地震時のせん断耐力とじん性を保有させる上で、こ
れをせん断補強することが望ましい。(Problems to be Solved by the Invention) The applicant has proposed a structure in which a reinforced concrete column and a steel beam are joined together by using a battledore bolt-like joining metal fitting in consideration of the fluidity of concrete poured at the joint and the arranging workability. Although some proposals have been made, it is desirable to reinforce the joints of the concrete columns with the beams in order to retain shear strength and toughness during earthquakes.
この発明は上記一連の接合部構造を踏まえてなされたも
ので、せん断に対して耐力とじん性を向上させる構造を
加えて提案しようとするものである。The present invention has been made in view of the above-described series of joint structure, and is intended to be proposed by adding a structure for improving proof stress and toughness against shearing.
（課題を解決するための手段） 本発明では鉄骨梁との接合部位置の鉄筋コンクリート柱
内に両端が開放し、筒状の拘束金物を軸を鉛直にして配
置することにより鉄筋コンクリート柱のコアコンクリー
トを拘束し、柱のせん断耐力とじん性の向上を図る。(Means for Solving the Problem) In the present invention, both ends are opened in the reinforced concrete column at the position of the joint with the steel beam, and the core concrete of the reinforced concrete column is arranged by arranging the tubular restraint hardware with the axis vertical. Restrain it to improve the shear strength and toughness of the column.
鉄骨梁はそのフランジにボルト接合される水平な平板部
と、平板部を鉄筋コンクリート柱内で直交して連結する
連結部からなる接合金物によって鉄筋コンクリート柱に
接合される。接合金物は鉄骨梁の各フランジ毎に、同一
レベルのフランジ間に跨設される。The steel beam is joined to the reinforced concrete column by a joint metal piece that is composed of a horizontal flat plate portion that is bolted to the flange and a connecting portion that connects the flat plate portion orthogonally in the reinforced concrete column. The joint hardware is installed between the flanges of the same level for each flange of the steel beam.
拘束金物は軸方向に上下の接合金物の各連結部間に亘る
長さを持ち、鉄筋コンクリート柱の平面上の中央部に、
上下の接合金物の間に軸を鉛直に向けて配置され、接合
部のコアコンクリートを拘束する。The restraint hardware has a length that extends between the connecting portions of the upper and lower joint hardware in the axial direction, and in the central portion on the plane of the reinforced concrete column,
It is placed with the axis vertically between the upper and lower joints and restrains the core concrete at the joint.
（実施例） 以下本発明を一実施例を示す図面に基づいて説明する。(Example) The present invention will be described below with reference to the drawings illustrating an example.
この発明は第１図に示すように鉄筋コンクリート柱１と
これに集合する鉄骨梁２とを、鉄筋コンクリート柱１内
で直交する接合金物３を跨設して同時に接合するととも
に、上下の接合金物３の間に両端が開放し、筒状の拘束
金物４を配置したものである。図中1aは主筋、1bはフー
プを示す。As shown in FIG. 1, the present invention joins a reinforced concrete column 1 and a steel frame beam 2 assembled to the reinforced concrete column 1 at the same time by arranging orthogonally joined joining hardware 3 in the reinforced concrete pillar 1, and Both ends are opened in between, and a cylindrical restraining hardware 4 is arranged. In the figure, 1a is the main muscle and 1b is the hoop.
接合金物３は鉄骨梁２のフランジにボルト５により接合
される平板部3aと全平板部3aを連結する連結部3bとから
なり、実施例では鉄骨梁２からの応力を連結部3bの支圧
応力で鉄筋コンクリート柱１に伝達するように連結部3b
が鉛直面をなす接合金物３の使用例を示している。The joint metal 3 comprises a flat plate portion 3a joined to the flange of the steel beam 2 with bolts 5 and a connecting portion 3b for connecting all the flat plate portions 3a. In the embodiment, the stress from the steel beam 2 is supported by the connecting portion 3b. Connection part 3b so that it is transmitted to the reinforced concrete column 1 by stress
Shows an example of use of the metal joint 3 having a vertical plane.
拘束金物４は鋼管，または角形鋼管より筒状に形成さ
れ、軸方向には第１図−IIに示すように鉄骨梁２の上部
フランジと下部フランジのレベルに跨設される上下の接
合金物3,3の連結部3b,3b間に亘り、鉄骨梁２の梁成に近
い長さを持ち、また断面上は鉄筋コンクリート柱１中央
部のコアコンクリートを拘束し得る適度の面積を持つ。The restraint hardware 4 is formed of a steel pipe or a rectangular steel pipe into a tubular shape, and in the axial direction, as shown in Fig. 1-II, the upper and lower joint hardware 3 is laid across the level of the upper and lower flanges of the steel beam 2. , 3 has a length close to that of the steel frame beam 2 between the connecting portions 3b, 3b, and has an appropriate area on the cross-section to restrain the core concrete in the central portion of the reinforced concrete column 1.
この拘束金物４は鉄筋コンクリート柱１の中央部に軸を
鉛直にし、両接合金物3,3に挟まれる形で配置される。The restraint hardware 4 is arranged in the center of the reinforced concrete column 1 with its axis vertical and sandwiched between the two joint hardware 3, 3.
第１図において中心線の左側は角形断面の、右側は円形
断面の拘束金物４の配置状態をそれぞれ示したものであ
る。In FIG. 1, the left side of the center line shows the arrangement state of the restraint metal 4 having a rectangular cross section and the right side thereof has a circular cross section.
拘束金物４の両端はコンクリートの流動性を考慮して開
放しており、独立に、もしくは接合金物3,3の一方側に
溶接等により一体化した状態で配置される。施工性の面
からは後者の方が楽である。Both ends of the restraint metal member 4 are open in consideration of the fluidity of the concrete, and are arranged independently or integrally with one side of the joint metal members 3 by welding or the like. From the standpoint of workability, the latter is easier.
（発明の効果） この発明は以上の通りであり、鉄骨梁を接合金物で鉄筋
コンクリート柱に接合しながら、上下の接合金物間に亘
る長さを持つ筒状の拘束金物を鉄筋コンクリート柱の平
面上の中央部に、上下の接合金物の間に配置することに
よりコアコンクリートを直接拘束するものであるため、
接合部におけるコンクリートの拘束効果が高まり、その
せん断耐力を向上させることができる。(Effects of the Invention) The present invention is as described above. While joining the steel beam to the reinforced concrete column with the joining hardware, the cylindrical restraining hardware having a length extending between the upper and lower joining hardware is placed on the plane of the reinforced concrete column. Since the core concrete is directly constrained by arranging it in the center between the upper and lower joint hardware,
The effect of restraining the concrete in the joint portion is enhanced, and the shear strength can be improved.
第１図−I,IIは本発明の実施例を示したそれぞれ横断面
図，縦断面図である。 １……鉄筋コンクリート柱、1a……主筋、1b……フー
プ、２……鉄骨梁、３……接合金物、3a……平板部、3b
……連結部、４……拘束金物、５……ボルト。FIGS. 1-I and II are a horizontal sectional view and a vertical sectional view, respectively, showing an embodiment of the present invention. 1 ... Reinforced concrete column, 1a ... Main bar, 1b ... Hoop, 2 ... Steel beam, 3 ... Joined metal, 3a ... Flat plate part, 3b
...... Connecting part, 4 ...... Restricted hardware, 5 ...... Bolt.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鈴木 宏一 東京都調布市飛田給２丁目19番１号 鹿島 建設株式会社技術研究所内 (56)参考文献 特開 平２−88832（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koichi Suzuki 2-191-1 Tobita-Su, Chofu-shi, Tokyo Kashima Construction Co., Ltd. Technical Research Laboratory (56) Reference JP-A-2-88832 (JP, A)
Claims (1)
フランジにボルト接合される水平な平板部と、平板部を
鉄筋コンクリート柱内で直交して連結する連結部からな
る接合金物を鉄骨梁の各フランジ毎に、同一レベルのフ
ランジ間に跨設して接合してなる接合部構造であり、軸
方向に上下の接合金物の各連結部間に亘る長さを持ち、
両端が開放した筒状の拘束金物を鉄筋コンクリート柱の
平面上の中央部に、上下の接合金物の間に軸を鉛直に向
けて配置し、接合部のコアコンクリートを拘束してある
ことを特徴とする柱・梁接合部構造。Claim: What is claimed is: 1. A reinforced concrete column and a steel beam are joined to each steel beam by a joining metal piece comprising a horizontal flat plate portion which is bolted to a flange of the steel beam beam and a connecting portion which connects the flat plate portion orthogonally in the reinforced concrete column. For each flange, it is a joint structure formed by straddling and joining between flanges of the same level, and has a length extending between the connecting portions of the upper and lower joint metal parts in the axial direction,
It is characterized in that a cylindrical restraint hardware with open ends is placed in the center of the plane of a reinforced concrete column with the axis oriented vertically between the upper and lower joint hardware, and the core concrete at the joint is restrained. Column / beam joint structure
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1083269A JPH0765334B2 (en) | 1989-03-31 | 1989-03-31 | Note-beam joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1083269A JPH0765334B2 (en) | 1989-03-31 | 1989-03-31 | Note-beam joint structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02261141A JPH02261141A (en) | 1990-10-23 |
| JPH0765334B2 true JPH0765334B2 (en) | 1995-07-19 |
Family
ID=13797638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1083269A Expired - Lifetime JPH0765334B2 (en) | 1989-03-31 | 1989-03-31 | Note-beam joint structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0765334B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0711156B2 (en) * | 1988-09-27 | 1995-02-08 | 株式会社フジタ | Method for joining reinforced concrete columns and steel beams |
-
1989
- 1989-03-31 JP JP1083269A patent/JPH0765334B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02261141A (en) | 1990-10-23 |
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