JPH01247627A - Joint body between column and beam - Google Patents
Joint body between column and beamInfo
- Publication number
- JPH01247627A JPH01247627A JP7351988A JP7351988A JPH01247627A JP H01247627 A JPH01247627 A JP H01247627A JP 7351988 A JP7351988 A JP 7351988A JP 7351988 A JP7351988 A JP 7351988A JP H01247627 A JPH01247627 A JP H01247627A
- Authority
- JP
- Japan
- Prior art keywords
- column
- flange
- joint
- reinforcing plate
- steel
- 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.)
- Granted
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000005304 joining Methods 0.000 description 21
- 238000003466 welding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 235000006732 Torreya nucifera Nutrition 0.000 description 1
- 244000111306 Torreya nucifera Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000000576 supplementary effect Effects 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、鉄骨構造又は鉄骨鉄筋コンクリート構造、又
は鉄骨構造と鉄骨鉄筋コンクリート構造とが共存する混
合構造における柱とはりの接合体に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a column-beam joint in a steel structure, a steel-frame reinforced concrete structure, or a mixed structure in which a steel structure and a steel-frame reinforced concrete structure coexist.
従来柱とはりの接合体には、柱とはりとを現場において
溶接により直接接合する手段、ブラケット等を介して高
力ボルトにより接合する手段等が使用されている。前者
の場合、屋外の現場で鉄骨フレームを組立てながら溶接
するので、溶接歪を生じて製品寸法に狂いをもたらした
り、溶接時に風雨によるガスシールドの不具合や水分の
介入で溶接部に欠陥が発生したりする。即ち、柱とはり
の溶接部に関する品質管理がむずかしいという欠点があ
る。一方後者の場合、ブラケ７）を製作して柱に溶接接
合する工数、ブラケットとはりをボルト接合するための
プレートの製作と穴あけの工数等を必要とし、工数が大
であるという欠点がある。BACKGROUND OF THE INVENTION Conventionally, for joining a column and a beam, methods have been used, such as directly joining the column and beam by welding on site, or joining them with high-strength bolts via a bracket or the like. In the former case, welding is carried out while assembling the steel frame at an outdoor site, which can cause welding distortion, leading to deviations in product dimensions, and defects in the welded part due to gas shield failure due to wind and rain or moisture intervention during welding. or That is, there is a drawback that quality control regarding the welded portion of the pillar and beam is difficult. On the other hand, in the latter case, there is a disadvantage that the number of man-hours is large, as it requires man-hours to manufacture the bracket 7) and weld it to the column, and man-hours to manufacture and drill holes for bolt-joining the bracket and beam.
上記の欠点を改良するものとして、第７図に示すように
、柱１とはり２との間に接合金物３を介装させた接合体
が、特公昭５７−３８７３４号公報に開示されている。In order to improve the above-mentioned drawbacks, Japanese Patent Publication No. 57-38734 discloses a joined body in which a joining metal fitting 3 is interposed between a pillar 1 and a beam 2, as shown in Fig. 7. .
この接合金物３は、底板３１と横断面をＴ字状に形成し
た突起部３２とからなり。This joining hardware 3 consists of a bottom plate 31 and a protrusion 32 having a T-shaped cross section.
はり２のフランジ１ａ及びウェブ２ｂに各々直接溶接で
きるようになっている。４は連結用ボルトであり、柱１
のフランジｌａと接合金物３の底板３１とを連結するこ
とにより、柱Ｉとはり２とを接合したものである。It can be directly welded to the flange 1a and web 2b of the beam 2, respectively. 4 is a connecting bolt, and column 1
The column I and the beam 2 are joined by connecting the flange la and the bottom plate 31 of the joining hardware 3.
上記従来の柱１とはり２との接合体には下記のような課
題が存在する。The conventional joined body of the pillar 1 and beam 2 has the following problems.
（１） 柱１のフランジ１ａには、接合金物３との連
結用ボルト４を装着するために複数個の貫通穴（図示せ
ず）を穿設する必要があり、このため接合部におけるフ
ランジ１ａの断面積を減少させ、柱の性能不足をもたら
すことになる。(1) It is necessary to drill a plurality of through holes (not shown) in the flange 1a of the column 1 in order to attach the connecting bolts 4 to the joining metal fittings 3. This will reduce the cross-sectional area of the column, resulting in poor column performance.
（２）第７図に示すように接合部に曲げモーメントＭが
作用すると、接合金物３には各々引張力Ｔおよび圧縮力
Ｃを生じ、柱】のフランジｌａが第８図に示すように局
部的に変形し、接合部に必要な剛性を確保することがで
きない。(2) When a bending moment M acts on the joint as shown in Fig. 7, a tensile force T and a compressive force C are generated in the joint metal fittings 3, respectively, and the flange la of the pillar] is localized as shown in Fig. 8. Therefore, the required rigidity of the joint cannot be secured.
（３）第７図に示すように、接合金物３に対応する位置
の柱ｌに補強用のスチフナ−５を固着する場合もあるが
、柱１の剛性向上に若干の効果はあるものの、加工及び
固着のための工数を要すると共に、フランジｌａの変形
防止には必ずしも充分ではない。(3) As shown in Fig. 7, reinforcing stiffeners 5 may be fixed to the pillars 1 at positions corresponding to the joining hardware 3, but although this has a slight effect on improving the rigidity of the pillars 1, In addition to requiring man-hours for fixing, it is not necessarily sufficient to prevent deformation of the flange la.
本発明は上記従来の技術に存在する課題を解決し、柱は
りの接合部の性能劣化及び柱フランジの局部変形を防止
し、剛性を確保し得る柱とはりの接合方法を提供するこ
とを目的とする。An object of the present invention is to solve the problems existing in the above-mentioned conventional techniques, and to provide a method for joining columns and beams that can prevent performance deterioration of the joints of the columns and beams, prevent local deformation of the column flanges, and ensure rigidity. shall be.
上記従来技術に存在する課題を解決するために。 In order to solve the problems existing in the above-mentioned conventional technology.
本発明においては、鉄骨柱と鉄骨はりとを鉄骨柱を構成
するフランジ及び接合金物を介して接合する柱とはりの
接合体において、接合金物の底板と対向する柱のフラン
ジ表面に、フランジの中央部において柱の軸方向に沿っ
て分割した補強板をフランジと一体に固着する。という
技術的手段を採用したのである。In the present invention, in a joint between a steel column and a steel beam through a flange constituting the steel column and a joining metal fitting, the center of the flange is placed on the flange surface of the column facing the bottom plate of the joining metal fitting. A reinforcing plate divided along the axial direction of the column is fixed integrally with the flange. This technical method was adopted.
上記の構成により、柱のフランジに穿設した貫通穴によ
る断面積の減少を補充すると共に、接合部におけるフラ
ンジの局部的変形を阻止する作用がある。なおフランジ
表面に対する補強板の投影面積を接合金物の底板のそれ
より大に形成することにより、フランジの補則作用を更
に助長することができる。The above configuration has the effect of compensating for the reduction in cross-sectional area due to the through hole drilled in the flange of the column and preventing local deformation of the flange at the joint. Note that by forming the projected area of the reinforcing plate on the flange surface to be larger than that of the bottom plate of the joint metal fitting, the supplementary action of the flange can be further promoted.
〔実施例］
第１図は本発明の実施例を示す要部正面図、第２図は第
１図におけるＡ−Ａ線断面図であり、同一部分は前記第
７図及び第８図と同一の参照符号で示す。両図において
６は補強板であり１例えば柱１．はり２及び接合金物３
等と同様な鉄鋼材料によって長方形平板状に形成すると
共に２ フランジ１ａの中央部において柱１の軸方向に
沿って分割し、接合金物３を構成する底板３１と対向す
るフランジ１ａの表面に溶接固着する。この場合補強板
６の外側端縁部には開先６ａを設けて溶接するのが望ま
しい。又、１対の補強板６同志が互いに向かい合う内側
の隙間は、夫々の補強板６の内側端部とフランジ１ａと
が溶接できる程度まで狭くする方が望ましく、且つ最終
的に上記隙間を溶接材により埋め尽くす溶接金属の「の
ど厚」 （溶接金属の厚み）は、厚い方が望ましいが補
強板６の厚み以下にする必要がある。又、補強板６の柱
軸方向の上側端部と下側端部も柱１のフランジ１ａと溶
接するが１強度的に保証されるような場合は、工数低減
の意味で溶接しなくても良い。尚。[Embodiment] Fig. 1 is a front view of main parts showing an embodiment of the present invention, and Fig. 2 is a sectional view taken along line A-A in Fig. 1, and the same parts are the same as in Figs. 7 and 8 above. Indicated by the reference symbol. In both figures, 6 is a reinforcing plate 1, for example, a column 1. Beam 2 and joining hardware 3
The flange 1a is formed into a rectangular flat plate shape from a steel material similar to the above, and is divided along the axial direction of the column 1 at the center of the flange 1a, and fixed by welding to the surface of the flange 1a facing the bottom plate 31 constituting the joint hardware 3. do. In this case, it is desirable to provide a groove 6a on the outer edge of the reinforcing plate 6 and weld it. Further, it is preferable that the inner gap between the pair of reinforcing plates 6 facing each other be narrowed to the extent that the inner end of each reinforcing plate 6 and the flange 1a can be welded, and finally the gap is filled with a welding material. The "throat thickness" (thickness of the weld metal) of the weld metal filled in is preferably thicker, but it needs to be less than the thickness of the reinforcing plate 6. Additionally, the upper and lower ends of the reinforcing plate 6 in the column axis direction are also welded to the flange 1a of the column 1, but if the strength is guaranteed, welding may not be necessary in order to reduce man-hours. good. still.
補強板６にはフランジ１ａと固着する前後何れかにおい
て、接合金物３に設けた貫通穴と対応する貫通穴（何れ
も図示せず）を穿設する。The reinforcing plate 6 is provided with through holes (none of which are shown) that correspond to the through holes provided in the joining hardware 3 either before or after the reinforcing plate 6 is fixed to the flange 1a.
上記の構成により、接合金物３を端部に固着したはり２
を所定位置に保持し、連結用ボルト４を装着して接合金
物３とフランジ１ａを締結すれば柱１とはり２とを接合
することができる。このような接合手段になる接合体に
曲げモーメントが作用して、第３図に示すようにはり２
に引張力Ｔが作用した場合には、フランジ１ａ全体に若
干の変形が発生するが、フランジ１ａの中央部において
補強板６が柱１の軸方向に沿って分割され、かつフラン
ジｌａに溶接固着されて一体化しているため、上記の変
形は極めて小なる範囲に留まる。With the above configuration, the beam 2 has the joining hardware 3 fixed to its end.
The pillar 1 and the beam 2 can be joined by holding them in a predetermined position, attaching the connecting bolts 4, and fastening the joining hardware 3 and the flange 1a. A bending moment acts on the joined body, which becomes such a joining means, and the beam 2 is bent as shown in Figure 3.
When the tensile force T is applied to the flange 1a, the entire flange 1a is slightly deformed, but the reinforcing plate 6 is divided along the axial direction of the column 1 at the center of the flange 1a and is welded and fixed to the flange 1a. Since it is integrated into one piece, the above deformation remains within a very small range.
第４図は比較例における柱フランジの変形を示す要部断
面平面図であり、第３図と対応する。この場合補強板７
はフランジ１ａの幅寸法と実質的に同一寸法に形成され
ると共に、外側端縁部をフランジ１ａと溶接により一体
に固着されている点は、前記第３図に示すものと同様で
ある。しかしながら、第４図に示す補強板７は、中央部
を非分割状態に形成したものであるため１例えば前記同
様にはり２に引張力Ｔが作用すると、フランジ１ａと補
強板７との間に隙間を生じ、フランジ１ａの局部的変形
を阻止することができない。即ち補強板７によるフラン
ジ１ａの補強又は補間の作用を期待することができない
。FIG. 4 is a cross-sectional plan view of a main part showing deformation of a column flange in a comparative example, and corresponds to FIG. 3. In this case, the reinforcing plate 7
is formed to have substantially the same width as the width of the flange 1a, and its outer edge portion is fixed integrally with the flange 1a by welding, similar to that shown in FIG. 3. However, because the reinforcing plate 7 shown in FIG. A gap is created, and local deformation of the flange 1a cannot be prevented. That is, it is not possible to expect the reinforcing plate 7 to have a reinforcing or interpolating effect on the flange 1a.
次に第５図は本発明の他の実施例を示す要部正面図、第
６図は第５図におけるＢ−Ｂ線断面図であり、同一部分
は前記実施例と同一の参照符号で示す。両図において接
合金物３の突出部３２には。Next, FIG. 5 is a front view of main parts showing another embodiment of the present invention, and FIG. 6 is a sectional view taken along the line B-B in FIG. . In both figures, the protruding portion 32 of the joining hardware 3 is shown.
はり２との接合用の複数個の貫通穴（図示せず）を穿設
し、連結用ボルト８を介してはり２と接合する。又本実
施例においては補強板９を上下の接合金物３．３に亘る
長さに形成すると共に、水平方向端部をフランジｌａよ
り突出するように形成する。その他の構成は前記第１図
及び第２図に示す実施例と同様であり、補強板９の作用
も又同様である。尚補強板９をフランジ１ａの端縁より
突出するように形成した場合には、補強板９に開先を設
けることな（、そのまま溶接できる利点がある。A plurality of through holes (not shown) for connection with the beam 2 are bored, and the connection is made with the beam 2 via a connecting bolt 8. Further, in this embodiment, the reinforcing plate 9 is formed to have a length extending over the upper and lower joining metal fittings 3.3, and its horizontal end portion is formed so as to protrude from the flange la. The rest of the structure is the same as the embodiment shown in FIGS. 1 and 2, and the function of the reinforcing plate 9 is also the same. In addition, when the reinforcing plate 9 is formed so as to protrude from the edge of the flange 1a, there is an advantage that the reinforcing plate 9 can be welded as is without providing a groove.
本実施例においては、柱及びはりを何れもＨ形鋼によっ
て構成した例を示したが、これに限定せず２例えばＨ形
鋼組立構造、形鋼及び／又は鋼板からなるラチス構造等
のものにおいても適用でき〔発明の効果〕
本発明は以上記述のような構成及び作用であるから、下
記の効果を期待できる。In this example, an example was shown in which the columns and beams were both made of H-shaped steel; however, the present invention is not limited to this, and examples include an assembled structure of H-shaped steel, a lattice structure made of shaped steel and/or steel plates, etc. [Effects of the Invention] Since the present invention has the structure and operation described above, the following effects can be expected.
（１１連結用ボルトを装着するための貫通穴による柱フ
ランジの断面積の減少を補い、柱はり接合部の性能劣化
を防止し、建物の性能を向上させ得る。(11) It compensates for the reduction in the cross-sectional area of the column flange due to the through-hole for attaching the connecting bolt, prevents performance deterioration of the column beam joint, and improves the performance of the building.
（２）接合部に作用する曲げモーメントによる柱フラン
ジの局部変形を防止し、接合部に必要な剛性を確保する
ことができる。(2) Local deformation of the column flange due to bending moment acting on the joint can be prevented, and the necessary rigidity of the joint can be ensured.
（３）補強板の柱フランジへの固着作業は比較的簡単で
あり、特に煩雑な作業若しくは熟練を要しないから１作
業の安全性は充分に確保され得る。(3) The work of fixing the reinforcing plate to the column flange is relatively simple and does not require particularly complicated work or skill, so the safety of one work can be sufficiently ensured.
第１図は本発明の実施例を示す要部正面図、第２図は第
１図におけるＡ−Ａ線断面図、第３図及び第４図は各々
本発明の実施例及び比較例における柱フランジの変形状
態を示す要部断面平面図。
第５図は本発明の他の実施例を示す要部正面図。
第６図は第５図におけるＢ−Ｂ線断面図、第７図は従来
の柱はり接合手段を示す要部正面図、第８図は第７図に
おける柱フランジの変形状態を示す要部断面平面図であ
る。
に柱、１ａ：フランジ、２：はり、３：接合金物、６．
７．９：補強板。
特許出願人 日立金属株式会社（外１名）代理 人 弁
理士 森 １） 寛
第 １ 口
第 ３ （２） 第 ４ 口＋
１’ｕ、Ｉα：フラン−，；、２：ｂつ、５ ’ 羽ト
Ｃ５ｊ辺−１−，１：ｊ航ＰＪＬ第 ５（２１
茅 ７ 図FIG. 1 is a front view of main parts showing an embodiment of the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIGS. 3 and 4 are pillars in an embodiment of the present invention and a comparative example, respectively. FIG. 4 is a cross-sectional plan view of a main part showing a deformed state of the flange. FIG. 5 is a front view of main parts showing another embodiment of the present invention. Fig. 6 is a sectional view taken along the line B-B in Fig. 5, Fig. 7 is a front view of the main part showing the conventional column beam joining means, and Fig. 8 is a cross section of the main part showing the deformed state of the column flange in Fig. 7. FIG. column, 1a: flange, 2: beam, 3: joining hardware, 6.
7.9: Reinforcement plate. Patent Applicant: Hitachi Metals, Ltd. (1 other person) Agent: Patent Attorney Mori 1) Hiroshi 1st Account 3rd (2) 4th Account +
1'u, Iα: Furan-, ;, 2: b two, 5' Hat C5j side-1-, 1: j flight PJL No. 5 (21 Kaya 7 Fig.
Claims (2)
及び接合金物を介して接合する柱とはりの接合体におい
て、接合金物の底板と対向する柱のフランジ表面に、フ
ランジの中央部において柱の軸方向に沿って分割した補
強板をフランジと一体に固着したことを特徴とする柱と
はりの接合体。(1) In a column-beam joint where a steel column and a steel beam are joined via flanges and joint hardware that constitute the steel column, on the flange surface of the column facing the bottom plate of the joint hardware, and at the center of the flange. A joint between a column and a beam, characterized by a reinforcing plate divided along the axis of the column and fixed integrally with a flange.
合金物の底板のそれよりも大に形成した請求項１記載の
柱とはりの接合体。(2) The column-beam joint according to claim 1, wherein the projected area of the reinforcing plate relative to the flange surface of the column is larger than that of the bottom plate of the joint metal fittings.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63073519A JP2719146B2 (en) | 1988-03-28 | 1988-03-28 | Joint of pillar and beam |
| US07/267,504 US4905436A (en) | 1988-03-28 | 1988-11-04 | Column/beam joint structure |
| GB8827999A GB2216217B (en) | 1988-03-28 | 1988-11-30 | A joint structure for connecting a beam to a column |
| CA 595194 CA1316569C (en) | 1988-03-28 | 1989-03-30 | Display tube for light source |
| GB9126699A GB2251669B (en) | 1988-03-28 | 1991-12-17 | A joint structure for connecting a beam to a column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63073519A JP2719146B2 (en) | 1988-03-28 | 1988-03-28 | Joint of pillar and beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01247627A true JPH01247627A (en) | 1989-10-03 |
| JP2719146B2 JP2719146B2 (en) | 1998-02-25 |
Family
ID=13520574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63073519A Expired - Fee Related JP2719146B2 (en) | 1988-03-28 | 1988-03-28 | Joint of pillar and beam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2719146B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5566520A (en) * | 1993-12-09 | 1996-10-22 | Branitzky; Abraham | Integrated precast concrete forming system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5378815U (en) * | 1976-12-03 | 1978-06-30 | ||
| JPS564082U (en) * | 1979-06-22 | 1981-01-14 |
-
1988
- 1988-03-28 JP JP63073519A patent/JP2719146B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5378815U (en) * | 1976-12-03 | 1978-06-30 | ||
| JPS564082U (en) * | 1979-06-22 | 1981-01-14 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5566520A (en) * | 1993-12-09 | 1996-10-22 | Branitzky; Abraham | Integrated precast concrete forming system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2719146B2 (en) | 1998-02-25 |
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