JP2716508B2 - Column and beam joint structure - Google Patents
Column and beam joint structureInfo
- Publication number
- JP2716508B2 JP2716508B2 JP3918889A JP3918889A JP2716508B2 JP 2716508 B2 JP2716508 B2 JP 2716508B2 JP 3918889 A JP3918889 A JP 3918889A JP 3918889 A JP3918889 A JP 3918889A JP 2716508 B2 JP2716508 B2 JP 2716508B2
- Authority
- JP
- Japan
- Prior art keywords
- column
- steel
- steel pipe
- concrete
- sheath
- 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） 本発明は柱をプレキヤスト鉄筋コンクリート、または
コンクリート充填鋼管とし、梁を鉄骨造とする複合構造
における柱、梁の接合構造に係るものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a joint structure of a column and a beam in a composite structure in which the column is a precast reinforced concrete or a concrete-filled steel pipe and the beam is a steel frame.
（従来の技術） 従来プレキヤスト鉄筋コンクリート柱、またはコンク
リート充填鋼管柱と鉄骨梁との接合部の施工に際して
は、同鉄骨梁の端部に溶着されたエンドプレートを柱の
接合面に衝接し、前記柱を挟んで相対する一双の鉄骨梁
のエンドプレート間を、前記柱を貫通する長尺のハイテ
ンシヨンボルトで緊締していた。(Prior Art) Conventionally, when constructing a joint between a precast reinforced concrete column or a concrete-filled steel pipe column and a steel beam, an end plate welded to the end of the steel beam is brought into contact with the joint surface of the column, and the column is joined. Between the end plates of one pair of steel beams opposed to each other with a long high tension bolt penetrating the column.
（発明が解決しようとする課題） 前記従来の接合工法はハイテンシヨンボルトの耐力を
利用した引張接合工法であるので、同ハイテンシヨンボ
ルトの耐力に見合う梁としては、梁丈が600mm程度まで
のＨ型鋼製の梁が使用される。それ以上の耐力を有する
梁ではハイテンシヨンボルトの使用本数が著しく多くな
り、設計不可能となる。(Problems to be Solved by the Invention) Since the conventional joining method is a tensile joining method utilizing the strength of a high-tensile bolt, a beam suitable for the strength of the high-tensile bolt has a beam length of up to about 600 mm. Section steel beams are used. In the case of a beam having a higher strength, the number of high tension bolts to be used is remarkably increased, making it impossible to design.
即ち前記ハイテンシヨンボルトを利用した引張接合の
適用範囲は中小規模の建物に限定されることと施工が複
雑であるという問題点があった。That is, there is a problem that the application range of the tensile joining using the high tension bolt is limited to small and medium-sized buildings and the construction is complicated.
本発明はこのような従来技術の有する問題点を解決す
るために提案されたもので、柱をプレキヤスト鉄筋コン
クリート柱、またはコンクリート充填鋼管とし、梁を鉄
骨構造とする複合構造において、施工が簡略化され、ロ
ーコストと工期短縮が図られしかも構造的に信頼性が高
く精度の高い柱、梁の接合構造を提供する点にある。The present invention has been proposed to solve such problems of the prior art, and the construction is simplified in a composite structure in which the columns are precast reinforced concrete columns or concrete-filled steel pipes and the beams are steel structures. Another object of the present invention is to provide a column and beam joint structure that is low in cost and shortens the construction period, and is highly structurally reliable and accurate.
（課題を解決するための手段） 前記の目的を達成するため、本発明に係る柱、梁の接
合構造は、プレキヤスト鉄筋コンクリート柱、若しくは
コンクリート充填鋼管柱と、鉄骨梁とよりなる複合構造
において、同鉄骨梁の接合端部に溶接された前記柱の柱
径より大径で内面に突起が突設された鞘鋼管を、前記柱
に嵌合するとともに、同柱と前記鞘鋼管との間に充填材
を填装して構成されている。(Means for Solving the Problems) In order to achieve the above-mentioned object, a joint structure of a column and a beam according to the present invention is a composite structure including a precast reinforced concrete column or a concrete-filled steel pipe column and a steel beam. A sheath steel pipe having a diameter larger than the column diameter of the column welded to the joint end of the steel beam and having a projection projecting from the inner surface is fitted to the column, and is filled between the column and the sheath steel pipe. It is constructed by loading materials.
（作用） 本発明によれば前記したように、鉄骨梁の端部に溶接
された柱径より大径で、且つ内面に突起を有する鞘鋼管
を、プレキヤスト鉄筋コンクリート柱、若しくはコンク
リート充填鋼管柱に嵌合し、同柱と前記鞘鋼管との間に
充填材を注入したことによって、前記柱及び梁が簡単に
接合され、前記鞘鋼管内面に配設された突起と、同鞘鋼
管及び前記柱間に注入された充填材との附着力及び、充
填材を介して鞘管と柱材との圧縮力により前記柱、梁間
に応力が確実に伝達されるものである。(Operation) According to the present invention, as described above, a sheath steel pipe having a diameter larger than the diameter of a column welded to the end of a steel beam and having a projection on the inner surface is fitted to a precast reinforced concrete column or a concrete-filled steel column. By injecting a filler between the column and the sheathed steel pipe, the column and the beam are easily joined, and a protrusion disposed on the inner surface of the sheathed steel pipe, The stress is reliably transmitted between the column and the beam by the attachment force with the filler injected into the tube and the compressive force between the sheath tube and the column through the filler.
（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.
第１図乃至第４図は本発明をプレキヤスト鉄筋コンク
リート柱（Ａ）と鉄骨梁（Ｂ）との接合構造に適用した
実施例を示し、前記柱（Ａ）は角型断面に形成され、梁
との接合面にはコツター（１）が設けられている。図中
（2a）は柱主鉄筋、（2b）は剪断補強筋である。1 to 4 show an embodiment in which the present invention is applied to a joint structure between a precast reinforced concrete column (A) and a steel beam (B). The column (A) is formed in a square cross section, and Is provided with a cotter (1) on the joining surface. In the figure, (2a) is the column main reinforcing bar, and (2b) is the shear reinforcing bar.
鉄骨梁（Ｂ）はＨ型鋼より構成され、前記柱（Ａ）と
の接合端面には前記柱の柱径より５〜10mm大径で、且つ
内面に突起（３）が植立された方形断面の鞘鋼管（Ｃ）
が溶接され、同鞘鋼管（Ｃ）と前記梁（Ｂ）の上下フラ
ンジとの間に水平スチフナー（４）が接合されている。The steel beam (B) is made of H-shaped steel, and has a rectangular cross section having a diameter of 5 to 10 mm larger than the diameter of the column at the joint end face with the column (A) and a projection (3) planted on the inner surface. Sheath steel pipe (C)
Are welded, and a horizontal stiffener (4) is joined between the sheath steel pipe (C) and the upper and lower flanges of the beam (B).
前記柱（Ａ）と梁の接合部には、前記鉄骨梁（Ｂ）の
接合端面に溶接された鞘鋼管（Ｃ）が同心状に嵌合され
るとともに、同鞘鋼管（Ｃ）の内周面と前記柱（Ａ）の
外周面との間に充填材として高強度無収縮モルタル
（５）が充填され、前記柱（Ａ）、梁（Ｂ）が接合され
る。At the joint between the column (A) and the beam, a sheath steel pipe (C) welded to the joint end face of the steel beam (B) is fitted concentrically, and the inner circumference of the sheath steel pipe (C) is fitted. A high-strength non-shrink mortar (5) is filled as a filler between the surface and the outer peripheral surface of the column (A), and the column (A) and the beam (B) are joined.
図示の実施例は前記したように構成されているので、
前記鞘鋼管（Ｃ）の内面に配設された突起（３）と前記
高強度無収縮モルタル（５）との附着力及び、充填材を
介して鞘管と柱材との圧縮力により前記柱（Ａ）、梁
（Ｂ）は一体に接合され、同柱梁間に応力が確実に伝達
されるものである。Since the illustrated embodiment is configured as described above,
The column is formed by the adhesive force between the projection (3) disposed on the inner surface of the sheath steel pipe (C) and the high-strength non-shrink mortar (5), and the compressive force between the sheath pipe and the column material via the filler. (A) and the beam (B) are integrally joined, and the stress is reliably transmitted between the column and the beam.
第３図及び第４図は前記柱、梁接合構造が適用された
架構図で、図中（６）及び（７）は鉄骨梁（Ｂ）間の接
合プレート及び接合用高張力ボルト、（８）及び（９）
は上下のプレキヤストコンクリート柱（Ａ）の接合用ス
プライススリーブ及び柱間の敷モルタル、（10）はデツ
キプレート、（11）はスラブである。FIGS. 3 and 4 are frame structures to which the column and beam joint structure is applied. In the figures, (6) and (7) are joint plates and joint high tension bolts between steel beams (B), and (8). ) And (9)
Is a splice sleeve for joining the upper and lower precast concrete columns (A) and mortar between the columns, (10) is a deck plate, and (11) is a slab.
第５図は本発明をコンクリート充填鋼管柱（Ａ′）と
鉄骨梁（Ｂ）との接合構造に適用した実施例を示し、前
記柱（Ａ′）におけるコンクリートが充填され、且つ外
周面に突起（12）が突設された鋼管（13）と、鉄骨梁
（Ｂ）の接合端面に溶接され、同鋼管（13）に同心状に
嵌合された鞘鋼管（Ｃ）との間に、高強度無収縮モルタ
ル（５）が充填されたものである。FIG. 5 shows an embodiment in which the present invention is applied to a joint structure between a concrete-filled steel tubular column (A ') and a steel beam (B). Concrete is filled in the column (A') and a projection is formed on the outer peripheral surface. (12) between the projecting steel pipe (13) and the sheath steel pipe (C) which is welded to the joint end face of the steel beam (B) and is fitted concentrically to the steel pipe (13). It is filled with a strength non-shrink mortar (5).
図中、前記実施例と均等部分には同一符号が附されて
いる。In the figure, the same reference numerals are given to the same parts as those in the above embodiment.
なお前記各柱は角形断面の他に、円形その他の任意の
断面に形成される。Each of the columns is formed in a circular cross section or any other cross section in addition to the square cross section.
（発明の効果） 本発明によれば前記したように、鉄骨梁の接合端部に
溶接された柱径より大径で内面に突起が突設された鞘鋼
管を、プレキヤスト鉄筋コンクリート柱、若しくはコン
クリート充填鋼管柱に嵌合するとともに、同柱と前記鞘
鋼管との間に充填材を填装したことによって前記柱梁を
一体に接合しうるものであり、従来のハイテンシヨンボ
ルトを使用した柱、梁接合部に比して、高強度、高剛性
の柱、梁接合部を構成することができ、また従来工法の
ように多数のボルト締結作業を不要とし、省力化が図ら
れ、工期が短縮され、工費が節減される。(Effects of the Invention) As described above, according to the present invention, a sheath steel pipe having a diameter larger than the diameter of a column welded to the joint end of a steel beam and having a projection protruding from the inner surface is used for precast reinforced concrete columns or concrete filling. The column and the beam can be joined together by fitting a steel tube column and by filling a filler between the column and the sheath steel tube, and using a conventional high-tension bolt. Compared to the joints, high strength and high rigidity can be constructed for column and beam joints, eliminating the need for a large number of bolt fastening operations unlike conventional methods, saving labor and shortening the construction period. , Construction costs are saved.
更にリフトアツプ工法と組合わせることによって、よ
り効率のよい施工が可能となる。Further, by combining with the lift-up method, more efficient construction is possible.
第１図は本発明に係る柱、梁接合構造の一実施例を示す
縦断面図、第２図はその横断平面図、第３図は前記柱、
梁接合構造を有する架構を示す縦断面図、第４図はその
横断平面図、第５図は本発明に係る柱、梁接合構造の他
の実施例を示す横断平面図である。 （Ａ）……プレキヤストコンクリート柱、 （Ａ′）……コンクリート充填鋼管柱、 （Ｂ）……鉄骨梁、（Ｃ）……鞘鋼管、 （３）……突起、（５）……高強無収縮モルタル。FIG. 1 is a longitudinal sectional view showing one embodiment of a column / beam joint structure according to the present invention, FIG. 2 is a cross-sectional plan view thereof, and FIG.
FIG. 4 is a vertical sectional view showing a frame having a beam-joining structure, FIG. 4 is a cross-sectional plan view thereof, and FIG. (A) ... Precast concrete column (A ') ... Concrete filled steel tube column (B) ... Steel beam (C) ... Sheathed steel tube (3) ... Projection (5) ... High strength Non-shrink mortar.
Claims (1)
はコンクリート充填鋼管柱と、鉄骨梁とよりなる複合構
造において、同鉄骨梁の接合端部に溶接された前記柱の
柱径より大径で内面に突起が突設された鞘鋼管を、前記
柱に嵌合するとともに、同柱と前記鞘鋼管との間に充填
材を填装してなることを特徴とする柱、梁の接合構造。In a composite structure comprising a precast reinforced concrete column or a concrete-filled steel pipe column and a steel beam, a projection projecting from the inner surface of the column welded to the joint end of the steel beam has a diameter larger than the column diameter of the column. A joint structure for a column and a beam, wherein the provided sheath steel pipe is fitted to the column, and a filler is loaded between the column and the sheath steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3918889A JP2716508B2 (en) | 1989-02-21 | 1989-02-21 | Column and beam joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3918889A JP2716508B2 (en) | 1989-02-21 | 1989-02-21 | Column and beam joint structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02221535A JPH02221535A (en) | 1990-09-04 |
| JP2716508B2 true JP2716508B2 (en) | 1998-02-18 |
Family
ID=12546133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3918889A Expired - Lifetime JP2716508B2 (en) | 1989-02-21 | 1989-02-21 | Column and beam joint structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2716508B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926779A (en) * | 2016-06-14 | 2016-09-07 | 沈阳建筑大学 | Hollow steel pipe concrete composite column and steel beam connecting joint |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002129661A (en) * | 2000-10-24 | 2002-05-09 | Kajima Corp | Structure for connecting reinforced concrete pillar and steel frame beam |
| JP5006588B2 (en) * | 2006-07-12 | 2012-08-22 | 株式会社竹中工務店 | Column / beam connection method |
| JP6704227B2 (en) * | 2015-08-26 | 2020-06-03 | 大成建設株式会社 | Reinforced concrete columns |
| CN117145056B (en) * | 2023-09-04 | 2024-03-22 | 泰兴市新兴建筑工程有限公司 | Hybrid assembly building assembly component and assembly method |
-
1989
- 1989-02-21 JP JP3918889A patent/JP2716508B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926779A (en) * | 2016-06-14 | 2016-09-07 | 沈阳建筑大学 | Hollow steel pipe concrete composite column and steel beam connecting joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02221535A (en) | 1990-09-04 |
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