JPH05104244A - Method for joining column and beam joint parts - Google Patents

Method for joining column and beam joint parts

Info

Publication number
JPH05104244A
JPH05104244A JP26935891A JP26935891A JPH05104244A JP H05104244 A JPH05104244 A JP H05104244A JP 26935891 A JP26935891 A JP 26935891A JP 26935891 A JP26935891 A JP 26935891A JP H05104244 A JPH05104244 A JP H05104244A
Authority
JP
Japan
Prior art keywords
joint piece
welding
joining
joined
joint
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
Application number
JP26935891A
Other languages
Japanese (ja)
Other versions
JP2604511B2 (en
Inventor
Kazuhiro Nohara
和宏 野原
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP26935891A priority Critical patent/JP2604511B2/en
Publication of JPH05104244A publication Critical patent/JPH05104244A/en
Application granted granted Critical
Publication of JP2604511B2 publication Critical patent/JP2604511B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PURPOSE:To simply and surely join with a one side surface working and to easily robotize the joining work while securing the quality in a method for connecting a column and a beam constituting a building, particularly in the joining method for the column and the beam joint parts joined by one side surface working to a joint piece fixed to the columnar side and the beam peripherally contacting with this joint piece. CONSTITUTION:Flanges 2A of the joint piece 2 and flanges 3A of the beam 3 are joined by applying fillet welding with arc welding and also the webs 2B, 3B of the join piece 2 and the beam 3 are joined by arc spot welding.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、建築物を構成する柱と
梁とを連結するための方法に関し、特に、柱側に固定さ
れたジョイントピースと、このジョイントピースに周接
する梁とを片面施工により接合する柱・梁仕口部の接合
方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for connecting a pillar and a beam constituting a building, and more particularly to a joint piece fixed on the pillar side and a beam surrounding the joint piece on one side. The present invention relates to a method of joining column / beam joints to be joined by construction.

【0002】[0002]

【従来の技術】建築物を構成する柱と梁とを連結すべ
く、ジョイントピースを用いた接合方法としては、特公
昭58−37462号公報に記載されているようなスポ
ット溶接法や、図5に示すような、アーク溶接法を利用
した接合手段が実施されている。
2. Description of the Related Art As a joining method using a joint piece for connecting a column and a beam constituting a building, a spot welding method as described in Japanese Patent Publication No. 58-37462, and FIG. The joining means using the arc welding method as shown in FIG.

【0003】つまり、まず、図5(a)に示すように、柱
側(図示せず)に固定されるジョイントピース2の内周側
に、接合すべき梁3の端部を周接するように配置する。
ジョイントピース2には、予め切欠き部2aが形成され
ており、この切欠き部2aにおいて、梁3との間に隅肉
溶接を施して隅肉溶接部4を形成するとともに、ジョイ
ントピース2の端部においても、梁3との間に隅肉溶接
を施して隅肉溶接部5を形成する。
That is, first, as shown in FIG. 5 (a), the end of the beam 3 to be joined is circumscribed to the inner peripheral side of the joint piece 2 fixed to the column side (not shown). Deploy.
The joint piece 2 is preliminarily formed with a cutout portion 2a. In the cutout portion 2a, fillet welding is performed between the joint piece 2 and the beam 3 to form a fillet weld portion 4, and Also at the end portion, fillet welding is performed with the beam 3 to form a fillet weld portion 5.

【0004】この後、ジョイントピース2および梁3を
反転して、図5(b)に示すように配置してから、ジョイ
ントピース2と梁3との間に隅肉溶接を施して隅肉溶接
部6を形成し、ジョイントピース2と梁3との接合、つ
まりは柱と梁3との接合が行なわれる。
After that, the joint piece 2 and the beam 3 are inverted and arranged as shown in FIG. 5B, and then fillet welding is performed between the joint piece 2 and the beam 3 to perform fillet welding. The portion 6 is formed, and the joint piece 2 and the beam 3 are joined together, that is, the column and the beam 3 are joined together.

【0005】しかし、図5に示すような接合手段では、
ジョイントピース2に予め柱が接合されている場合など
にジョイントピース2および梁3を反転するには、多大
な労力を必要とするほか、設備化においても設備費の増
大の要因になるため、反転作業を避けることが望まれ
る。
However, in the joining means shown in FIG. 5,
Inverting the joint piece 2 and the beam 3 when a pillar is joined to the joint piece 2 in advance requires a great deal of labor and also causes an increase in equipment cost in equipment installation. It is desirable to avoid work.

【0006】そこで、反転作業を避けるために、図6に
示すような接合手段(片面施工)も考えられる。この接合
手段では、ジョイントピース2側には切欠き部を形成せ
ず、梁3側に切欠き部3aおよび長穴部3bを予め形成
し、これらの切欠き部3aおよび長穴部3bにおいて、
ジョイントピース2との間に隅肉溶接を施して隅肉溶接
部7,8をそれぞれ形成し、隅肉溶接部6とともにジョ
イントピース2と梁3との接合を行なっている。
Therefore, in order to avoid the reversing work, a joining means (single-sided construction) as shown in FIG. 6 can be considered. In this joining means, the notch portion is not formed on the joint piece 2 side, but the notch portion 3a and the long hole portion 3b are formed on the beam 3 side in advance, and in the notch portion 3a and the long hole portion 3b,
Fillet welding is performed between the joint piece 2 and the joint piece 2 to form fillet welded portions 7 and 8, respectively, and the joint piece 2 and the beam 3 are joined together with the fillet welded portion 6.

【0007】また、このような接合手段のほかにも、溶
接手法としてスポット溶接を用いたものが、例えば特開
昭55−139187号公報などに示されている。
In addition to such joining means, a method using spot welding as a welding method is disclosed in, for example, Japanese Patent Laid-Open No. 55-139187.

【0008】[0008]

【発明が解決しようとする課題】しかしながら、図6に
示す接合手段では、ジョイントピース2および梁3の反
転を行なう必要はなくなるが、梁3側に切欠き部3a,
長穴部3bを加工する必要があり、長穴部3b等は、量
産する際には型を作成すれば打ち抜き加工により形成す
ることは可能であるが、隅肉溶接では、少しの狙いのず
れで溶接不良が発生しやすく、ロボット化したとしても
品質の確保が難しいため、より品質の安定した簡易な接
合手段が望まれている。
However, in the joining means shown in FIG. 6, it is not necessary to invert the joint piece 2 and the beam 3, but the notch portion 3a on the beam 3 side,
It is necessary to process the long hole portion 3b, and the long hole portion 3b and the like can be formed by punching if a mold is made in mass production, but in fillet welding, a slight deviation from the target is required. Therefore, welding failure is likely to occur, and it is difficult to secure quality even with robotization. Therefore, a simple joining means with more stable quality is desired.

【0009】また、溶接手法としてスポット溶接を用い
た場合、通常のスポット溶接による接合を行なうだけで
は、接合するジョイントピース2や梁3の板厚が厚くな
ると、確実に接合できなくなる場合がある。
Further, when spot welding is used as the welding method, if the joint pieces 2 and the beams 3 to be joined are simply thickened, it may not be possible to reliably join them.

【0010】本発明は、このような課題を解決しようと
するもので、片面施工により簡易に且つ確実に接合でき
るとともに、品質を確保しながら接合作業のロボット化
も容易に実現できる柱・梁仕口部の接合方法を提供する
ことを目的とする。
The present invention is intended to solve such a problem, and a pillar / beam arrangement which can be easily and surely joined by one-sided construction and can be easily robotized for joining work while ensuring quality. It is an object of the present invention to provide a method for joining mouth portions.

【0011】[0011]

【課題を解決するための手段】上記目的を達成するため
に、本発明の柱・梁仕口部の接合方法は、ジョイントピ
ースと梁とのフランジどうしを、アーク溶接により隅肉
溶接を施して接合するとともに、前記のジョイントピー
スと梁とのウエブどうしを、アークスポット溶接により
接合することを特徴としている。
In order to achieve the above object, in the method of joining column / beam joints of the present invention, the flanges of the joint piece and the beam are subjected to fillet welding by arc welding. In addition to joining, the webs of the joint piece and the beam are joined by arc spot welding.

【0012】また、前記梁のウエブにおけるアークスポ
ット位置に、前記ジョイントピースの表面に通じる穴部
を予め形成してもよい。
In addition, a hole communicating with the surface of the joint piece may be formed in advance at the arc spot position on the web of the beam.

【0013】[0013]

【作用】上述した本発明の柱・梁仕口部の接合方法で
は、アーク溶接による隅肉溶接とアークスポット溶接と
を併用することにより、ジョイントピースと梁との接合
を片面施工により容易に且つ確実に行なえ、且つ、十分
な溶接強度が得られる。
In the above-described method of joining column / beam joints of the present invention, by using fillet welding by arc welding and arc spot welding together, the joint piece and beam can be easily joined by one-sided construction. It can be performed reliably and sufficient welding strength can be obtained.

【0014】また、アークスポット位置に予め穴加工を
施して穴部が形成されることにより、アークスポット溶
接による溶接金属が、この穴部に注ぎ込まれ、梁表面か
ら大きく盛り上がるのを防止できるとともに、梁の板厚
が厚くても、溶接金属により梁とジョイントピースとを
接合する十分な溶け込みを得ることができる。
Further, since the hole is formed in advance at the arc spot position to form the hole, it is possible to prevent the weld metal by arc spot welding from being poured into the hole and largely rising from the beam surface. Even if the beam is thick, it is possible to obtain sufficient penetration for joining the beam and the joint piece with the weld metal.

【0015】[0015]

【実施例】以下、図面により本発明の一実施例としての
柱・梁仕口部の接合方法について説明すると、図1はそ
の斜視図、図2は図1のII矢視図、図3は図1のIII矢
視図、図4(a),(b)はアークスポット溶接時のノズル
形状の例を模式的に示す断面図である。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method of joining column / beam joints according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view thereof, FIG. 2 is a view taken along an arrow II in FIG. 1, and FIG. 4 is a sectional view schematically showing an example of the nozzle shape at the time of arc spot welding.

【0016】図1〜図3に示すように、本実施例では、
柱1側に固定されるジョイントピース2と、このジョイ
ントピース2の内周側に周接する梁3とを接合する場合
について説明する。ここで、ジョイントピース2および
梁3は、いずれも、フランジ2A,3Aおよびウエブ2
B,3Bを有する断面コ字形状のものとする。
As shown in FIGS. 1 to 3, in this embodiment,
A case where the joint piece 2 fixed to the pillar 1 side and the beam 3 which is in contact with the inner peripheral side of the joint piece 2 are joined will be described. Here, the joint piece 2 and the beam 3 are both the flanges 2A and 3A and the web 2
It has a U-shaped cross section having B and 3B.

【0017】そして、梁3のウエブ3Bには、後述する
ごとく、アークスポット溶接を施す位置(アークスポッ
ト位置)に対応する6ヵ所に、穴加工が施され、ジョイ
ントピース2のウエブ2B表面に連通する穴部3Cが予
め形成されている。この穴部3Cの径は、例えば12〜
20mmとする。
As will be described later, the web 3B of the beam 3 is perforated at six positions corresponding to the position (arc spot position) where arc spot welding is to be performed, and the web 3B of the joint piece 2 is communicated with the surface. The hole portion 3C is formed in advance. The diameter of the hole 3C is, for example, 12 to
20mm.

【0018】このような梁3とジョイントピース2との
接合に際しては、まず、ジョイントピース2の内周側
に、接合すべき梁3の端部を周接するように配置してか
ら、ジョイントピース2と梁3とのフランジ2A,3A
どうしの間に隅肉溶接を施して、内側(水平)および外側
(立向)にそれぞれ隅肉溶接部6Aおよび6Bを形成する
とともに、梁3のウエブ3Bに予め形成された各穴部3
Cにおいて、アークスポット溶接を施してアークスポッ
ト溶接部10を形成し、ジョイントピース2と梁3とを
接合している。
When joining the beam 3 and the joint piece 2 as described above, first, the end portion of the beam 3 to be joined is arranged on the inner peripheral side of the joint piece 2 so as to make circumferential contact, and then the joint piece 2 is joined. And beam 3 flanges 2A, 3A
Inside (horizontal) and outside with fillet welds between them
The fillet welds 6A and 6B are respectively formed (in the vertical direction), and the holes 3 preformed in the web 3B of the beam 3 are formed.
At C, arc spot welding is performed to form the arc spot welded portion 10 and the joint piece 2 and the beam 3 are joined.

【0019】なお、アークスポット溶接に際しては、通
常、図4(a)に示すように、その溶接部を覆うノズル9
が用いられ、溶接時のスパッタ等の飛散を防止してい
る。ただし、本実施例の方法を自動化し、ロボット等で
同一ノズルを用いてアーク溶接およびアークスポット溶
接のいずれも行なう場合には、図4(a)に示すノズル9
の形状では、フランジ2A,3Aどうしの接合を行なえ
ないため、図4(b)に示すような通常のアーク溶接時に
使用するノズル9Aをそのまま使用する。図4中、符号
11は溶接ワイヤ、12は溶融金属を示す。
During arc spot welding, as shown in FIG. 4 (a), the nozzle 9 that covers the welded portion is usually used.
Is used to prevent scattering of spatter during welding. However, when the method of the present embodiment is automated and arc welding and arc spot welding are performed using the same nozzle by a robot or the like, the nozzle 9 shown in FIG.
With this shape, since the flanges 2A and 3A cannot be joined together, the nozzle 9A used for normal arc welding as shown in FIG. 4B is used as it is. In FIG. 4, reference numeral 11 is a welding wire, and 12 is a molten metal.

【0020】また、ジョイントピース2の板厚を4.0m
mとすると、アークスポット溶接条件や隅肉溶接条件
は、例えば次表のように設定する。
The thickness of the joint piece 2 is 4.0 m.
When m is set, the arc spot welding conditions and fillet welding conditions are set as shown in the following table, for example.

【表1】 [Table 1]

【0021】このように、本実施例の接合方法によれ
ば、アーク溶接による隅肉溶接とアークスポット溶接と
を併用することにより、片面施工によりジョイントピー
ス2と梁3とを極めて簡易かつ確実に接合でき、さらに
は品質を確保しながら接合作業のロボット化を容易に実
現でき、生産性を大幅に向上させることができる。
As described above, according to the joining method of this embodiment, the fillet welding by the arc welding and the arc spot welding are used in combination, so that the joint piece 2 and the beam 3 can be extremely easily and surely made by the one-sided construction. It is possible to join, and furthermore, it is possible to easily realize robotization of joining work while ensuring quality, and it is possible to greatly improve productivity.

【0022】また、梁3のウエブ3Bにおけるアークス
ポット位置に予め穴加工を施して穴部3Cを形成した状
態で、アークスポット溶接を行なうことにより、溶接ワ
イヤ11からの溶接金属12が、穴部3Cに注ぎ込ま
れ、梁3のウエブ3B表面から大きく盛り上がるのを防
止できるほか、梁3の板厚が厚くても、梁3とジョイン
トピース2とを接合する十分な溶け込みが得られ、梁3
とジョイントピース2とをより確実に接合することがで
きる。
Further, by performing arc spot welding in a state where holes are preliminarily formed at the arc spot positions on the web 3B of the beam 3 to form the hole portions 3C, the weld metal 12 from the welding wire 11 is transformed into the hole portions. It can be prevented from being poured into 3C and rising significantly from the surface of the web 3B of the beam 3, and even if the plate thickness of the beam 3 is thick, sufficient penetration for joining the beam 3 and the joint piece 2 can be obtained.
And the joint piece 2 can be joined more reliably.

【0023】なお、本発明は、上記実施例に限定される
ことなく、本発明の要旨を逸脱しない範囲での設計変更
等があっても、本発明の範囲に含まれる。例えば、本発
明の方法は、図1に示したようなジョイントピース2と
梁3との接合部分以外にも、フランジ,ウエブを有する
部材どうしを接合する部分であれば同様に適用され、上
記実施例と同様の効果が得られる。
The present invention is not limited to the above-mentioned embodiments, and is included in the scope of the present invention even if there are design changes and the like without departing from the gist of the present invention. For example, the method of the present invention is similarly applied to the joint portion between the joint piece 2 and the beam 3 as shown in FIG. 1 as well as the joint portion between members having a flange and a web. The same effect as the example is obtained.

【0024】また、上記実施例では、梁3のウエブ3B
のアークスポット位置に穴部3Cを6個形成した場合に
ついて説明したが、本発明の方法は、これに限定される
ものではない。また、梁3の板厚がさほど厚くない場合
や、アークスポット溶接部10の盛り上がりを気にする
必要がない場合などには、穴部3Cを形成することな
く、アークスポット溶接を行なってもよい。
In the above embodiment, the web 3B of the beam 3 is used.
Although the case where the six hole portions 3C are formed at the arc spot position of 1 has been described, the method of the present invention is not limited to this. Further, when the plate thickness of the beam 3 is not so thick, or when it is not necessary to care about the swelling of the arc spot welding portion 10, the arc spot welding may be performed without forming the hole portion 3C. ..

【0025】[0025]

【発明の効果】以上詳述したように、本発明の柱・梁仕
口部の接合方法によれば、ジョイントピースと梁との接
合に際して、アーク溶接による隅肉溶接とアークスポッ
ト溶接とを併用することにより、簡易に且つ確実に接合
を行なえるとともに、品質を確保しながら接合作業のロ
ボット化を容易に実現できる効果がある。
As described above in detail, according to the method of joining a column / beam joint of the present invention, fillet welding by arc welding and arc spot welding are used together when joining a joint piece and a beam. By doing so, there is an effect that the joining can be performed easily and surely, and at the same time, the robotization of the joining work can be easily realized while ensuring quality.

【0026】また、梁のウエブにおけるアークスポット
位置に予め穴加工を施して穴部を形成することにより、
アークスポット溶接による溶接金属の梁表面からの盛り
上がりを防止できるとともに、梁の板厚が厚くても十分
な溶け込みが得られ、梁とジョイントピースとをより確
実に接合できる効果もある。
Further, by making a hole in advance at the arc spot position on the web of the beam to form a hole,
It is possible to prevent swelling of the weld metal from the beam surface due to arc spot welding, obtain sufficient penetration even if the plate thickness of the beam is thick, and have an effect of more reliably joining the beam and the joint piece.

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

【図1】本発明の一実施例としての接合方法を適用され
た柱・梁仕口部を示す斜視図である。
FIG. 1 is a perspective view showing a column / beam joint portion to which a joining method according to an embodiment of the present invention is applied.

【図2】図1のII矢視図である。FIG. 2 is a view on arrow II of FIG.

【図3】図1のIII矢視図である。FIG. 3 is a view on arrow III in FIG. 1.

【図4】(a),(b)はアークスポット溶接時のノズル形
状の例を模式的に示す断面図である。
4A and 4B are cross-sectional views schematically showing an example of a nozzle shape at the time of arc spot welding.

【図5】従来の接合手段を適用された柱・梁仕口部を示
すもので、(a)はその一面側からの斜視図、(b)はその
他面側からの斜視図である。
5A and 5B show a column / beam joint portion to which a conventional joining means is applied, FIG. 5A is a perspective view from one surface side, and FIG. 5B is a perspective view from the other surface side.

【図6】従来の他の接合手段を適用された梁仕口部を示
す斜視図である。
FIG. 6 is a perspective view showing a beam joint portion to which another conventional joining means is applied.

【符号の説明】[Explanation of symbols]

1 柱 2 ジョイントピース 2A フランジ 2B ウエブ 3 梁 3A フランジ 3B ウエブ 3C 穴部 6A,6B 隅肉溶接部 9,9A ノズル 10 アークスポット溶接部 11 溶接ワイヤ 12 溶融金属 1 pillar 2 joint piece 2A flange 2B web 3 beam 3A flange 3B web 3C hole 6A, 6B fillet weld 9,9A nozzle 10 arc spot weld 11 welding wire 12 molten metal

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 柱と梁とを連結すべく、該柱側に固定さ
れたジョイントピースと、該ジョイントピース内に周接
する前記梁とを片面施工により接合する柱・梁仕口部の
接合方法であって、 前記のジョイントピースと梁とのフランジどうしを、ア
ーク溶接により隅肉溶接を施して接合するとともに、 前記のジョイントピースと梁とのウエブどうしを、アー
クスポット溶接により接合することを特徴とする柱・梁
仕口部の接合方法。
1. A method of joining a pillar / beam joint portion, which joins a pillar and a beam by joining one side of a joint piece fixed to the pillar and the beam circumferentially contacting the joint piece. The joint pieces and the flanges of the beam are joined by performing fillet welding by arc welding, and the webs of the joint piece and the beam are joined by arc spot welding. The method of joining the column and beam joints.
【請求項2】 前記梁のウエブにおけるアークスポット
位置に、前記ジョイントピースの表面に通じる穴部が予
め形成されていることを特徴とする請求項1記載の柱・
梁仕口部の接合方法。
2. The column according to claim 1, wherein a hole communicating with the surface of the joint piece is previously formed at an arc spot position on the web of the beam.
Beam joint method.
JP26935891A 1991-10-17 1991-10-17 How to join columns and beams Expired - Fee Related JP2604511B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26935891A JP2604511B2 (en) 1991-10-17 1991-10-17 How to join columns and beams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26935891A JP2604511B2 (en) 1991-10-17 1991-10-17 How to join columns and beams

Publications (2)

Publication Number Publication Date
JPH05104244A true JPH05104244A (en) 1993-04-27
JP2604511B2 JP2604511B2 (en) 1997-04-30

Family

ID=17471273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26935891A Expired - Fee Related JP2604511B2 (en) 1991-10-17 1991-10-17 How to join columns and beams

Country Status (1)

Country Link
JP (1) JP2604511B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100780105B1 (en) * 2006-12-29 2007-11-30 주식회사 포스코 Structural member and manufacturing method thereof
JP2021025400A (en) * 2019-08-08 2021-02-22 株式会社高橋監理 Steel assembly structure without high tension bolt

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100782882B1 (en) * 2002-01-23 2007-12-06 주식회사 엘지이아이 Connecting structure for pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100780105B1 (en) * 2006-12-29 2007-11-30 주식회사 포스코 Structural member and manufacturing method thereof
JP2021025400A (en) * 2019-08-08 2021-02-22 株式会社高橋監理 Steel assembly structure without high tension bolt

Also Published As

Publication number Publication date
JP2604511B2 (en) 1997-04-30

Similar Documents

Publication Publication Date Title
JPH05104244A (en) Method for joining column and beam joint parts
JPH08243770A (en) Joining method for metal plate
JPH09308975A (en) Manufacture of box type steel structural member
JPH106071A (en) Welding method of steel plate composing product and welded structure
JPH07328765A (en) Welding method for axle housing
JP3045672B2 (en) Butt joint structure of metal hollow material
JP3246285B2 (en) Method of forming inner diaphragm of rectangular steel pipe member
JPH04285230A (en) Column-beam joint part joining method
WO2017090400A1 (en) Steel h-beam joint structure and steel h-beam joining method
JP3033222B2 (en) Method for forming inner diaphragm of rectangular steel pipe member
JP3079798B2 (en) Beam welding method
JP2003136243A (en) Lap joint structure using aluminium base material and welding method thereof
JP4043307B2 (en) Method for forming joints in concrete piles
JPH08174241A (en) Production of hollow cylindrical body having reinforcing member
JPS5820525B2 (en) Kohansei box
JPH0516937B2 (en)
JPS639482Y2 (en)
JPS6116555B2 (en)
JP2019210599A (en) Welding method of square steel pipes
JPH111963A (en) Beam-column connecting structure and connecting hardware, column, and unit building
JPH0913579A (en) Welding method for steel-pipe column and annular body
JP3529360B2 (en) Steel pipe column
JP3356128B2 (en) Diaphragm
JPH04179755A (en) Manufacture of square steel pipe having interior reinforcing stiffener
SU1440642A1 (en) Method of arc spot welding

Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080129

Year of fee payment: 11

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090129

Year of fee payment: 12

LAPS Cancellation because of no payment of annual fees