JP2516831B2 - Large beam and small beam connection structure - Google Patents

Large beam and small beam connection structure

Info

Publication number
JP2516831B2
JP2516831B2 JP2190761A JP19076190A JP2516831B2 JP 2516831 B2 JP2516831 B2 JP 2516831B2 JP 2190761 A JP2190761 A JP 2190761A JP 19076190 A JP19076190 A JP 19076190A JP 2516831 B2 JP2516831 B2 JP 2516831B2
Authority
JP
Japan
Prior art keywords
girder
steel
steel frame
joint
reinforced 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 - Lifetime
Application number
JP2190761A
Other languages
Japanese (ja)
Other versions
JPH0480443A (en
Inventor
正武 四方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujita Corp
Original Assignee
Fujita Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujita Corp filed Critical Fujita Corp
Priority to JP2190761A priority Critical patent/JP2516831B2/en
Publication of JPH0480443A publication Critical patent/JPH0480443A/en
Application granted granted Critical
Publication of JP2516831B2 publication Critical patent/JP2516831B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は鉄骨造の大梁と小梁の接合構造に係るもので
ある。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a joint structure of steel-framed large beams and small beams.

(従来の技術) 従来、鉄骨造において、小梁軸方向に延びる連梁構造
が構成されるように大梁と小梁とを接続する場合、同大
梁並に小梁の接合部に夫々小梁軸方向に突設されたガセ
ットプレートを取付け、同各ガセットプレートを高張力
ボルトで緊結し、更に上部フランジ間を溶接して剛接合
部を構成し、連続梁構造としていた。
(Prior Art) Conventionally, in a steel frame structure, when connecting a girder and a girder so as to form a continuous beam structure extending in the girder axial direction, the girder shafts are connected to the girder joints in the same manner as the girder. A gusset plate protruding in the direction was attached, the gusset plates were tightly connected with each other by high-tensile bolts, and the upper flanges were welded together to form a rigid joint, forming a continuous beam structure.

また特開昭60−212540号公報(特願昭59−67439号:
発明の名称「PC小梁とSRC大梁との接合部」)におい
て、PC小梁の端部より圧縮主鉄筋を突出するとともに、
剪断抵抗部材としてガセットプレートを突設し、同部材
をSRC大梁のガセットプレートと高張力ボルトで接合し
てコンクリートを打設することによって前記大梁と小梁
とを一体化し、プレキャスト化した小梁を用いて支保工
を省略し、施工性を向上する工法が提案されている。
Further, JP-A-60-212540 (Japanese Patent Application No. 59-67439:
In the title of the invention "joint between PC beam and SRC beam"), while the compression main rebar is projected from the end of the PC beam,
A gusset plate is projected as a shear resistance member, the same member is joined to the gusset plate of the SRC girder with a high-tensile bolt and the concrete is placed by placing the girder and the girder into one piece, and a precast beam is formed. A construction method has been proposed in which the support work is omitted and the workability is improved.

(発明が解決しようとする課題) しかしながら前者にあっては、鉄筋大梁と小梁とを剛
接合するための鉄骨の加工、溶接工程が煩雑であって、
長スパンの場合は撓みや振動が生起し易いので、梁成を
大きくしてこれを防止するため、建物の階高が高くな
る。
(Problems to be solved by the invention) However, in the former case, the processing and welding process of the steel frame for rigidly joining the reinforcing bar large beam and the small beam is complicated,
In the case of a long span, bending and vibration are likely to occur, so the floor height of the building becomes high in order to prevent this by increasing the beam formation.

後者の場合、プレキャスト化した小梁を用いて小梁の
施工時に支保工を省略し、作業性を向上しうるものであ
るが、長スパンの場合は断面が大きくなり部材重量が増
大し、部材の製作や施工工程に不都合が生じるという問
題があった。
In the latter case, it is possible to use a precast beam to omit the support work during the beam construction and improve workability.However, in the case of a long span, the cross section becomes large and the weight of the member increases. There was a problem that inconvenience occurred in the production and construction process of.

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、その目的とする処は、従来構造に比して剛
性が高く、撓み量が減少され、構造上の信頼性が高い大
梁と小梁の接合構造を提供する点ある。
The present invention has been proposed in view of the above problems of the prior art, and its object is to provide a girder that has a higher rigidity, a reduced amount of bending, and a higher structural reliability as compared with the conventional structure. The point is to provide a joint structure of beam and beam.

(課題を解決するための手段) 前記の目的を達成するため、本発明に係る大梁と小梁
の接合構造は、上下フランジ及びウエブよりなる梁鉄骨
より構成され、小梁接合位置に前記梁鉄骨と一体に同梁
鉄骨と直交して側方にガセットプレートが突設された鉄
骨大梁と、同大梁に対する接合端部にスラブ厚さに等し
い上面欠損部が設けられた鉄骨鉄筋コンクリート部が形
成され、且つ前記大梁接合端面よりガセットプレートが
突設された鉄骨小梁とよりなり、前記大梁及び小梁の相
対するガセットプレートを高張力ボルトで接合するとと
もに、前記大梁の上面及び同大梁を挟んで両側に配設さ
れた前記鉄骨小梁における鉄骨鉄筋コンクリート部の上
面欠損部に亘って補強鉄筋を配設し、同欠損部を含む前
記鉄骨小梁上面及び前記大梁小梁接合部にコンクリート
を打設して構成されている。
(Means for Solving the Problems) In order to achieve the above object, a joint structure of a girder and a girder according to the present invention is composed of a beam steel frame composed of upper and lower flanges and a web, and the beam steel frame is provided at a girder joint position. And a steel frame large beam in which a gusset plate is projected sideways orthogonally to the same beam steel frame, and a steel frame reinforced concrete part in which an upper surface defect portion equal to the slab thickness is provided at the joint end to the large beam is formed, And a steel frame girder in which a gusset plate is projected from the girder joint end face, the gusset plates facing each other of the girder and the girder are joined with a high-tensile bolt, and the upper surface of the girder and both sides of the girder are sandwiched. Reinforcing steel bars are arranged over the upper surface defective portion of the steel-framed reinforced concrete portion of the steel beam beam arranged in the above, and the upper surface of the steel beam beam including the defective portion and the girder beam beam joint are connected to each other. It is constructed by placing a cleats.

(作用) 本発明によれば前記したように、鉄骨大梁間に架構さ
れる鉄骨小梁の大梁に対する両端接合部が鉄骨鉄筋コン
クリート構造となっているので、中間の純鉄骨部分の長
さが短縮され、前記従来の純鉄骨小梁に比して剛性を高
く、撓み量が小さくなる。
(Operation) As described above, according to the present invention, since the joints at both ends of the steel beam to the girder constructed between the steel girders have a steel reinforced concrete structure, the length of the intermediate pure steel part is shortened. The rigidity is higher and the amount of bending is smaller than that of the conventional pure steel beam.

更に前記鉄骨小梁の両端接合部に形成された鉄骨鉄筋
コンクリート部の上面に、スラブ厚さに等しい欠損部が
設けられていて、大梁の上面、及び同大梁を挟んで相対
する前記鉄骨小梁における鉄骨鉄筋コンクリート部の上
面欠損部に亘って補強筋が配筋されるとともに、コンク
リートが打設されたことによって、前記大梁及び小梁が
一体に剛接合されるものである。
Further, on the upper surface of the steel frame reinforced concrete portion formed at the joints at both ends of the steel beam, a defect portion having the same thickness as the slab is provided. The large beam and the small beam are rigidly joined together by reinforcing bars being laid out over the upper surface defective portion of the steel-framed reinforced concrete portion and by placing concrete.

(実施例) 以下本発明を図示の実施例について説明する。(Examples) The present invention will be described below with reference to illustrated examples.

第1図乃至第3図において、(A)は第1図に示すよ
うに上下フランジとウエブとよりなるH型断面の鉄骨大
梁、(B)は相隣る大梁(A)間に架設される鉄骨小梁
で、同小梁(B)の両端部にスラブ厚tを欠損した鉄骨
鉄筋コンクリート部(a)が形成され、更に前記小梁
(B)の端面より剪断抵抗部材を構成するガセットプレ
ート(1)が突設されている。
1 to 3, (A) is a steel frame girder having an H-shaped cross section composed of upper and lower flanges and a web as shown in FIG. 1, and (B) is installed between adjacent girders (A). In the steel beam, a steel reinforced concrete portion (a) having a slab thickness t is formed at both ends of the beam (B), and a gusset plate (a shearing resistance member is formed from the end face of the beam (B). 1) is projected.

図中(2)は鉄骨鉄筋コンクリート部(a)における
コンクリート部、(3)は同部の下部水平補強鉄筋、
(4)は同補強鉄筋(3)に捲装された肋筋で、上端部
が前記鉄骨鉄筋コンクリート部(a)の上面欠損部内に
突出している。
In the figure, (2) is the concrete part of the steel-framed reinforced concrete part (a), (3) is the lower horizontal reinforcing bar of the part,
(4) is a rib that is wound around the reinforcing reinforcing bar (3), and the upper end thereof projects into the upper surface defect portion of the steel frame reinforced concrete part (a).

更に前記大梁(A)における小梁接合位置には、剪断
抵抗部材を構成するガセットプレート(5)が突設され
ている。
Further, a gusset plate (5) constituting a shear resistance member is provided at the beam connecting position of the large beam (A) in a protruding manner.

而して前記鉄骨小梁(B)を相隣る鉄骨大梁(A)に
架設し、前記各ガセットプレート(1)(5)を高張力
ボルト(6)で接合し、鉄骨大梁(A)の上面、及び同
大梁(A)を挟んでその両側に配設された相隣る鉄骨小
梁(B)(B)における鉄骨鉄筋コンクリート部(a)
上面の欠損部に亘って補強鉄筋(7)を配設し、同欠損
部を含む鉄骨小梁(B)上面及び大梁小梁接合部にコン
クリート(8)(8′)を打設し、前記鉄骨大梁(A)
と鉄骨小梁(B)とを剛接合する。
Then, the steel beam (B) is erected on the adjacent steel beam (A), and the gusset plates (1) and (5) are joined by high-tensile bolts (6). Steel frame reinforced concrete parts (a) on the upper surface and adjacent steel beam (B) (B) arranged on both sides of the same large beam (A).
Reinforcing reinforcing bars (7) are arranged over the defect portion of the upper surface, and concrete (8) (8 ') is placed on the upper surface of the steel beam (B) and the joint portion of the girder beam including the defect portion. Steel beam (A)
And the steel beam (B) are rigidly joined.

第4図及び第5図は本発明を適用した建造物の架構を
示し、図中(C)は柱である。
4 and 5 show a frame structure of a building to which the present invention is applied, in which (C) is a pillar.

図示の実施例は前記したように、相隣る鉄骨大梁
(A)間に架構された鉄骨小梁(B)の両端接合部が、
鉄骨鉄筋コンクリート構造となっているので、純鉄骨部
分の長さが短縮され、従来の純鉄骨小梁に比して剛性が
高く、撓み量が小さくなる。
In the illustrated embodiment, as described above, the joints at both ends of the steel beam (B) that is constructed between the adjacent steel beam (A) are
Since it has a steel frame reinforced concrete structure, the length of the pure steel frame portion is shortened, the rigidity is higher and the amount of bending is smaller than that of the conventional pure steel frame beam.

また前記したように、鉄骨小梁(B)と鉄骨大梁
(A)とが夫々の上面に配設された補強鉄筋(7)と、
同各上面及び大梁、小梁接合部に打設されたコンクリー
ト(8)(8′)によって剛接合されるものである。
Further, as described above, the reinforcing bar (7) having the steel beam (B) and the steel beam (A) arranged on the upper surface thereof,
Rigid joints are made by concrete (8) and (8 ') cast on the upper surface, the large beam, and the small beam joints.

第7図は撓み図で実線は本発明によって構成された連
梁(連続梁)構造の小梁を示し、点線は従来の連梁構造
の小梁構造を示し、本発明における撓み梁Δは従来構
造の撓みΔに比して減少していることが判る。
FIG. 7 is a flexure diagram, and a solid line shows a beam of a continuous beam (continuous beam) structure constituted by the present invention, a dotted line shows a beam of a conventional continuous beam structure, and the flexible beam Δ 1 in the present invention is It can be seen that the deflection is smaller than that of the conventional structure, Δ 2 .

第8図は曲げ応力図で本発明の構造は実線で、従来構
造は点線で示され、本発明によれば鉄骨小梁(B)の曲
げ応力が従来構造に比して軽減され、鉄骨小梁の断面を
小さくすることができることが示されている。
FIG. 8 is a bending stress diagram, in which the structure of the present invention is shown by a solid line and the conventional structure is shown by a dotted line. According to the present invention, the bending stress of the steel beam (B) is reduced as compared with the conventional structure, and It has been shown that the beam cross section can be reduced.

第6図は本発明の他の実施例を示し、スラブ厚tを欠
損したPC大梁(A′)に、両端部にスラブ厚tを欠損し
た鉄骨鉄筋コンクリート部(a)が形成された鉄骨小梁
(B)を連続して架構し、前記PC大梁(A′)及び鉄骨
小梁(B)の各上面におけるスラブ厚tを欠損した部分
に亘って補強鉄筋(7)を配筋するとともにコンクリー
ト(8″)を打設して、前記大梁(A′)及び小梁
(B)を剛接合するものである。
FIG. 6 shows another embodiment of the present invention, in which a steel beam girder having a reinforced concrete portion (a) having a slab thickness t at both ends is formed on a PC girder (A ') having a slab thickness t. (B) is continuously framed, reinforcing reinforcing bars (7) are laid over the portions of the upper surfaces of the PC girder (A ') and the steel beam (B) where the slab thickness t is missing, and concrete ( 8 ″) is driven to rigidly join the large beam (A ′) and the small beam (B).

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 parts as those in the above-mentioned embodiment are designated by the same reference numerals.

(発明の効果) 本発明によれば前記したように、上下フランジ及びウ
エブよりなる梁鉄骨より構成された大梁の上面、及び同
大梁を挟んでその両側に配設され、且つ接合端部がスラ
ブ厚さに等しい上面欠損部を有する鉄筋鉄骨コンクリー
ト部に形成された相対する鉄骨小梁の各上面に亘って、
補強鉄筋を配設するとともにコンクリートを打設して、
前記大梁と鉄骨小梁とを剛接合し、小型の構造型式を連
続梁構造としたことによって、鉄骨小梁の断面を縮減
し、経済性を向上し、作業性を改善しうるものである。
(Effects of the Invention) According to the present invention, as described above, the upper surface of the girder composed of the beam steel frame composed of the upper and lower flanges and the web, and the both ends of the girder with the girder interposed therebetween, and the joint ends are slabs. Across each upper surface of the opposing steel beam formed in the reinforced steel concrete portion having the upper surface defect portion having the same thickness,
Place reinforcing steel bars and place concrete,
By rigidly joining the large beam and the steel frame small beam and making the small structural type a continuous beam structure, the cross section of the steel frame small beam can be reduced, the economical efficiency can be improved, and the workability can be improved.

また前記鉄骨小梁の両端部が鉄骨鉄筋コンクリート部
に形成されているので、従来の純鉄骨よりなる小梁構造
に比して、剛性が高く撓み量が減少され、スラブ振動の
障害が少なくなる。
Further, since both ends of the steel frame beam are formed in the steel frame reinforced concrete portion, the rigidity is high and the amount of bending is reduced, and the slab vibration is less disturbed as compared with the conventional beam structure made of pure steel frame.

【図面の簡単な説明】[Brief description of drawings]

第1図は本発明に係る大梁と小梁の接合構造の一実施例
を示す一部縦断正面図で第4図の矢視I−I図、第2図
及び第3図は夫々第1図の矢視II−II図、並に矢視III
−III図、第4図は本発明の適用された建築物の架構を
示す平面図、第5図はその正面図、第6図は本発明の他
の実施例を示す一部縦断正面図、第7図及び第8図は夫
々本発明に係る構造と従来構造の撓み図並に曲げ応力図
である。 (A)……鉄骨大梁、(A′)……PC大梁、(B)……
鉄骨小梁、 (a)……鉄骨鉄筋コンクリート部、(7)……補強鉄
筋、 (8)(8′)(8″)……コンクリート。
FIG. 1 is a partially longitudinal front view showing an embodiment of a joint structure of a girder and a girder according to the present invention. FIG. 1 is a view taken along the line I--I of FIG. 4, FIG. 2 and FIG. View II-II, along with view III
-III and 4 are plan views showing a frame structure of a building to which the present invention is applied, Fig. 5 is a front view thereof, and Fig. 6 is a partially longitudinal front view showing another embodiment of the present invention, FIG. 7 and FIG. 8 are flexural diagrams and bending stress diagrams of the structure according to the present invention and the conventional structure, respectively. (A) …… Steel beam, (A ′) …… PC beam, (B) ……
Steel beam, (a) …… Steel reinforced concrete part, (7) …… Reinforcing rebar, (8) (8 ′) (8 ″) …… Concrete.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】上下フランジ及びウエブよりなる梁鉄骨よ
り構成され、小梁接合位置に前記梁鉄骨と一体に同梁鉄
骨と直交して側方にガセットプレートが突設された鉄骨
大梁と、同大梁に対する接合端部にスラブ厚さに等しい
上面欠損部が設けられた鉄骨鉄筋コンクリート部が形成
され、且つ前記大梁接合端面よりガセットプレートが突
設された鉄骨小梁とよりなり、前記大梁及び小梁の相対
するガセットプレートを高張力ボルトで接合するととも
に、前記大梁の上面及び同大梁を挟んで両側に配設され
た前記鉄骨小梁における鉄骨鉄筋コンクリート部の上面
欠損部に亘って補強鉄筋を配設し、同欠損部を含む前記
鉄骨小梁上面及び前記大梁小梁接合部にコンクリートを
打設してなることを特徴とする大梁と小梁の接合構造。
1. A steel girder composed of a beam steel frame composed of upper and lower flanges and a web, and a steel frame girder integrally formed with the beam steel frame at a beam joint position and having a gusset plate projecting laterally orthogonal to the beam steel frame. A steel-framed reinforced concrete part having a top surface defect equal to the slab thickness is formed at the joint end to the girder, and the girder plate is provided with a gusset plate protruding from the girder joint end face. The opposing gusset plates are joined by high-tensile bolts, and reinforcement bars are arranged over the upper surface of the girder and the upper surface defective portion of the steel-framed reinforced concrete part of the steel beam girder that is arranged on both sides of the girder. Then, a joint structure of a girder and a girder, characterized in that concrete is placed on the upper surface of the steel beam and the girder joint part including the defective portion.
JP2190761A 1990-07-20 1990-07-20 Large beam and small beam connection structure Expired - Lifetime JP2516831B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2190761A JP2516831B2 (en) 1990-07-20 1990-07-20 Large beam and small beam connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2190761A JP2516831B2 (en) 1990-07-20 1990-07-20 Large beam and small beam connection structure

Publications (2)

Publication Number Publication Date
JPH0480443A JPH0480443A (en) 1992-03-13
JP2516831B2 true JP2516831B2 (en) 1996-07-24

Family

ID=16263290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2190761A Expired - Lifetime JP2516831B2 (en) 1990-07-20 1990-07-20 Large beam and small beam connection structure

Country Status (1)

Country Link
JP (1) JP2516831B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6749082B2 (en) * 2015-10-01 2020-09-02 株式会社竹中工務店 Foundation structure and construction method of foundation structure

Also Published As

Publication number Publication date
JPH0480443A (en) 1992-03-13

Similar Documents

Publication Publication Date Title
JP5053016B2 (en) Girder structure using corrugated steel web
JP2006009449A (en) Truss panel girder and precast truss panel
JP2004263366A (en) Joint structure and reinforcing structure of column and beam
JP2001081729A (en) Composite floor slab
JP3410368B2 (en) Connection method of corrugated steel web girder
JP2516831B2 (en) Large beam and small beam connection structure
JP2003119718A (en) Bridge
JP2002220812A (en) Bridge girder
JP2927402B2 (en) Column-beam joint structure of concrete building
JPH10299170A (en) Connecting structure for column and beam
JP2706552B2 (en) Beam-column joint structure in steel reinforced concrete construction
JP2000170285A (en) Connecting method for steel sheet concrete structural wall and junction structure
JP3154020B2 (en) Reinforced steel framed concrete beam-column connection
JP3389910B2 (en) Beam-column joint
KR200152482Y1 (en) Deck plate for the concrete slab
KR102074402B1 (en) Beam-girder joint of prefabricated steel assembly
JP2523891Y2 (en) Connection structure between girders and steel beams
JPH0788686B2 (en) Front cross beam method
JP2725572B2 (en) Small beam construction method in reinforced concrete construction
JP2723011B2 (en) Construction method of steel frame reinforced concrete structure
JP3503601B2 (en) Orthogonal joint structure of composite beam
JP2516820B2 (en) Frame of SRC structure
JP3433496B2 (en) Precast concrete girder
JP2750042B2 (en) Reinforcement structure of beam-column joint
JP3026112B2 (en) Pin-jointed steel frame structure using two parallel girders