JP2002038586A - Increased thickness reinforcement type column-beam joint portion and square type column having the same - Google Patents

Increased thickness reinforcement type column-beam joint portion and square type column having the same

Info

Publication number
JP2002038586A
JP2002038586A JP2000224945A JP2000224945A JP2002038586A JP 2002038586 A JP2002038586 A JP 2002038586A JP 2000224945 A JP2000224945 A JP 2000224945A JP 2000224945 A JP2000224945 A JP 2000224945A JP 2002038586 A JP2002038586 A JP 2002038586A
Authority
JP
Japan
Prior art keywords
column
joint
thickness
thickened
beam 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.)
Pending
Application number
JP2000224945A
Other languages
Japanese (ja)
Inventor
Hisashi Fujii
久司 藤井
Hirokazu Ikeda
浩和 池田
Kimio Hamano
公男 濱野
Kenichi Fujita
謙一 藤田
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.)
Yokogawa Bridge Corp
Original Assignee
Yokogawa Bridge 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 Yokogawa Bridge Corp filed Critical Yokogawa Bridge Corp
Priority to JP2000224945A priority Critical patent/JP2002038586A/en
Publication of JP2002038586A publication Critical patent/JP2002038586A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a square type column combined with the combinations of various kinds of columns fitted to a column to beam joint portion in which the structural type for jointing a beam to the column to beam joint portion and the range of increased thickness can be set thereby determining the column to beam joint portion of the increased thickness reinforcing type can be established. SOLUTION: An increased thickness reinforcing type column to beam joint portion 21 and a square type column 20 of the present invention have coordinates with a width to thickness ratio B/t of the diaphragm reinforcing type column to beam joint portion 2A and a width to thickness ratio B/ti of the increased thickness and reinforced column to beam joint portion 21 as the axis of coordinates on which a width to thickness ratio of a plurality of design values of the column to beam joint portion of the diaphragm type reinforcing type and the width thickness ratio of the column plate thickness ti of the increased thickness reinforcement type column to beam joint portion 21 calculated from the correlation from the existing design values are plotted, structural types of respectively different beam joints are fitted to the first zone restricted by a vertical axis of coordinates and the increased thickness limit line and the second zone restricted by the increased width limit line, and the increased thickness reinforcing type column to beam joint portion 21 is configured in each zone. Also, the range jL of the increased thickness portion of the column to beam joint portion 21 is made larger than (beam depth H+0.2 column width B×2) and the raw pipe portion 22 of the column is welded at the to and bottom and a square column 20 is formed.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、角形柱の柱板厚さ
を増厚して梁を接合させる柱梁接合部において、梁接合
の構造形式が幅厚比から選定でき、かつ耐力のある柱梁
接合部の増厚部範囲が増厚倍率から設定できるようにし
た、増厚補強型の柱梁接合部及びそれを有する角形柱に
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beam-column joint for joining beams by increasing the thickness of a column of a rectangular column, the beam joint structure type can be selected from the width-to-thickness ratio, and the beam strength is high. The present invention relates to a thickened reinforcing beam-to-column joint and a square column having the same, wherein the thickened portion range of the beam-to-column joint can be set from a thickness increasing ratio.

【0002】[0002]

【従来の技術】従来、この種のものとしては、例えば図
14に示すようなものが、一般的に知られている。
2. Description of the Related Art Conventionally, as this kind, for example, the one shown in FIG. 14 is generally known.

【0003】図14に示すように、構造体の柱1と梁
2,3との接合部2Aは、剛接合となるよう内ダイヤフ
ラム4あるいは通しダイヤフラム(図示せず)で補強さ
れた構造体10を設計することが行われている。
[0003] As shown in FIG. 14, a joint 2A between a column 1 and beams 2 and 3 of the structure is reinforced by an inner diaphragm 4 or a through-diaphragm (not shown) to form a rigid joint. The design has been done.

【0004】この構造体10においては、ダイアフラム
4を取り付けるための加工工数が多くかかり溶接量も多
い。また、梁せいH1,H2の異なる梁2,3が接合され
る場合には、柱梁接合部2Aがさらに複雑で加工工数が
かかる。
In this structure 10, a large number of processing steps and a large amount of welding are required for mounting the diaphragm 4. Further, when beams 2 and 3 having different beams H1 and H2 are joined, the column-beam joint 2A is more complicated and requires more processing man-hours.

【0005】更に、コンクリート充填柱(以下、CFT
と称する)とするには、ダイアフラム4に開口を設ける
が、この開口部で充填されるコンクリートの流れが邪魔
されて、空隙を生じ強度低下につながる虞もあった。
Further, concrete filled columns (hereinafter referred to as CFT)
In this case, an opening is provided in the diaphragm 4, but the flow of the concrete filled in the opening is obstructed, and there is a possibility that voids are generated and the strength is reduced.

【0006】[0006]

【発明が解決しようとする課題】それで、ダイアフラム
4を省略し、このダイアフラム4の強度分を柱梁接合部
2Aの柱板厚さを増厚すことによって、柱面の面外曲げ
耐力を向上させた構造のものが使われ始めた。
Therefore, the diaphragm 4 is omitted, and the strength of the diaphragm 4 is increased by increasing the thickness of the column plate at the column-beam joint 2A, thereby improving the out-of-plane bending strength of the column surface. Structured structures began to be used.

【0007】しかしながら、このダイアフラム4を省略
した柱梁接合部にあっては、従来のダイアフラム補強型
の柱梁接合部2Aの柱幅Bと柱板厚さtとの比に見合っ
た、増厚補強した柱梁接合部の柱幅と柱板厚さの比との
相関が的確に捉えられていなかった。したがって、柱の
幅厚比に対応させて柱梁接合部に梁を接合させる構造形
式が選定できないという問題があった。
However, in the beam-to-column joint where the diaphragm 4 is omitted, the thickness is increased in proportion to the ratio between the column width B and the column plate thickness t of the conventional diaphragm-reinforced beam-to-column joint 2A. The correlation between the column width and column thickness ratio of the reinforced beam-column joints was not accurately captured. Therefore, there is a problem that it is not possible to select a structure type in which the beam is joined to the beam-column joint in accordance with the width-thickness ratio of the column.

【0008】また、増厚部の範囲が、必ずしも耐力に適
合するものとなっていないという問題もあった。
There is also a problem that the range of the thickened portion is not always suitable for the proof stress.

【0009】そこで、本発明は、柱梁接合部に梁を接合
させる構造形式と、増厚部の範囲とが設定できて、増厚
補強型の柱梁接合部が確定され、この柱梁接合部に適合
する各種コラムの組み合わせによる角形柱を提供するこ
とを目的としている。
In view of this, the present invention provides a structure in which a beam is joined to a beam-to-column joint and the range of the thickened portion can be set, and a thickened reinforcing beam-to-column joint is determined. It is an object of the present invention to provide a rectangular column formed by combining various columns suitable for a part.

【0010】[0010]

【課題を解決するための手段】上記の目的を達成するた
めに、請求項1に記載された発明は、増厚補強型の柱梁
接合部において、構造形式を純ラーメン構造とし、平面
形式を整形とした構造体の角形柱において、ダイアフラ
ムで補強した柱梁接合部の幅厚比と、増厚補強した柱梁
接合部の幅厚比とを座標軸とした座標に、前記ダイアフ
ラムで補強した複数の既設計値の柱梁接合部の幅厚比
と、降伏線理論により前記複数の既設計値から相関させ
て梁先行降伏となるように柱板厚さを算出した増厚補強
型の柱梁接合部の幅厚比とをプロットさせるとともに、
前記座標に、前記柱梁接合部の柱板厚さを増厚する時の
増厚限界線を描き、該増厚限界線と縦座標軸とにより規
制される第1ゾーンと、前記増幅限界線と横座標軸とに
より規制される第2ゾーンとに、それぞれ異なる梁接合
の構造形式を適合させて、ゾーンごとの柱梁接合部を構
成させるようにしたことを特徴としている。
Means for Solving the Problems In order to achieve the above-mentioned object, the invention according to claim 1 is characterized in that, in the column-beam joint of the thickening reinforcement type, the structural form is a pure ramen structure, and the planar form is In a rectangular prism having a shaped structure, the width and thickness ratio of a beam-to-column joint reinforced with a diaphragm and the width-to-thickness ratio of a beam-and-column joint reinforced with a thickness are coordinated with coordinate axes, and a plurality of reinforced with the diaphragm are used. The thickness-to-thickness ratio of the beam-to-column joints of the pre-designed values, and the thickness-reinforcement type column-and-beam calculated by calculating the column thickness so as to be the beam precedent yield by correlating from the plurality of pre-designed values by the yield line theory While plotting the width-to-thickness ratio of the joint,
In the coordinates, draw a thickening limit line when increasing the thickness of the column plate of the beam-column joint, a first zone regulated by the thickening limit line and the ordinate axis, and the amplification limit line The present invention is characterized in that a different beam joint structure type is adapted to the second zone regulated by the abscissa axis to form a column-beam joint for each zone.

【0011】この様なものにあっては、柱板厚さの増厚
限界線を境として2つのゾーンを設け、各ゾーンごとに
柱梁接合部の構造形式を適合するものとしたので、強度
やコストの見合う柱梁接合部構造を設定することができ
るようになる。
[0011] In such a structure, two zones are provided at the boundary of the increase in the thickness of the column plate, and the structural form of the beam-column joint is adapted to each zone. It is possible to set a beam-to-column joint structure that is worth the cost.

【0012】ここで、柱梁とは、構造用鋼からなるコラ
ム状やH形形状の押出形鋼を、柱や梁に形成させたもの
である。また、圧延鋼板を断面方形の筒状に組み付け溶
接して、組付コラムとしたもの,圧延鋼板をH形断面に
組み付け溶接した梁であってもよい。
Here, the column and beam are columns or beams formed by extruding column-shaped or H-shaped extruded steel made of structural steel. Further, a rolled steel plate may be assembled and welded into a tubular shape having a rectangular cross section to form an assembling column, or a rolled steel plate may be assembled and welded to an H-shaped cross section.

【0013】なお、柱梁接合部の全塑性耐力算定におい
ては、材料の降伏点の値は、それぞれ同一の値を使用し
ている。
In the calculation of the total plastic strength of the beam-column joint, the same value is used for the yield point of the material.

【0014】請求項2に記載された発明は、請求項1に
記載の増厚補強型の柱梁接合部において、前記柱梁接合
部の増厚限界を、前記角形柱の柱板厚さの2倍として増
厚限界線を描くとともに、前記第1ゾーンの梁接合の構
造形式は、前記柱梁接合部に梁を直接接合させる直結接
合構造形式とし、第2ゾーンでは、前記柱梁接合部の梁
に水平ハンチを設けた水平ハンチ梁接合構造形式とした
ことを特徴としている。
According to a second aspect of the present invention, in the thickening reinforcing column-beam joint section according to the first aspect, the thickness increase limit of the column-beam joint section is determined by the thickness of the prismatic column. In addition to drawing the thickness increase line as twice, the beam joining structure of the first zone is a direct connection joining type in which a beam is directly joined to the beam-to-column joint, and the beam-to-column joint of the second zone is A horizontal haunch beam joint structure type in which a horizontal haunch is provided on the beam of the present invention is characterized.

【0015】この様なものにあっては、柱板厚さの2倍
を増厚限界線としたので、2倍を超える第2ゾーンで
は、2倍以上に増厚ができなくても、梁に水平ハンチを
設けて溶接することにより、柱梁接合部の強度を確保す
ることができるようになる。
In such a case, since the thickness increase limit line is set to twice the thickness of the columnar plate, even if the thickness cannot be increased more than twice in the second zone exceeding twice, even if the thickness cannot be increased twice or more, By providing a horizontal haunch and welding it, the strength of the beam-column joint can be ensured.

【0016】請求項3に記載された発明は、請求項1ま
たは2に記載の増厚補強型の柱梁接合部において、前記
増厚補強型の柱梁接合部の増厚部範囲は、梁の上下梁フ
ランジからの両増厚延長部として0.2倍した柱幅を、
梁せいの上下に加算させたことを特徴としている。
According to a third aspect of the present invention, in the thickened reinforcement type beam-column joint according to the first or second aspect, the thickened area of the thickened reinforcement type beam-column joint is a beam. The column width, which is 0.2 times as the both thickened extension from the upper and lower beam flanges,
It is characterized by being added above and below the beam.

【0017】この様なものにあっては、梁フランジの上
下に増厚延長部を規定して設けたので、柱梁接合部の耐
力を向上させることができるようになる。
In such a case, since the thickened extension portions are defined and provided above and below the beam flange, the strength of the beam-column joint can be improved.

【0018】請求項4に記載された発明は、増厚補強型
の柱梁接合部を有する角形柱において、柱梁接合部と柱
素管部とを溶接し角形柱を形成させる柱梁接合部用組付
コラムと、柱素管部用組付コラムとを上下方向に当接さ
せる溶接部において、それぞれの当接する溶接面の目違
い寸法が10mm以下であるようにしたことを特徴とし
ている。
According to a fourth aspect of the present invention, in a rectangular column having a thickened reinforcing column-beam joint, the column-beam joint is formed by welding the column-beam joint and the column base tube. In the welded portion where the assembly column and the column tube assembly column are brought into contact in the vertical direction, the staggered dimension of the welding surfaces that contact each other is 10 mm or less.

【0019】この様なものにあっては、溶接部の目違い
寸法が10mm以下であるようにしたので、柱梁接合部
と柱素管部との間が一体的に溶接できて、負荷の伝達が
確実に行えるようになる。
In such a case, since the staggered dimension of the welded portion is set to 10 mm or less, the joint between the column-beam joint and the column base tube can be integrally welded, so that the load can be reduced. Transmission can be performed reliably.

【0020】請求項5に記載された発明は、請求項4に
記載の増厚補強型の柱梁接合部を有する角形柱におい
て、前記柱梁接合部と前記柱素管部とを溶接し前記角形
柱を形成させる、柱梁接合部用冷間コラムと柱素管部用
冷間コラムとを上下方向に当接させる溶接部において、
それぞれの当接する溶接面の角部Rの目違い寸法が10
mm以下であるようにしたことを特徴としている。
According to a fifth aspect of the present invention, in the rectangular column having the thickened reinforcing column-beam joint according to the fourth aspect, the column-beam joint and the column base tube are welded to each other. In the welded portion to form the prismatic column, the cold column for the beam-column joint and the cold column for the column tube section abut vertically.
The misalignment dimension of the corner R of the welding surface to be abutted is 10
mm or less.

【0021】この様なものにあっては、溶接部の目違い
寸法が10mm以下であるようにしたので、柱梁接合部
用冷間コラムと柱素管部用冷間コラムとの間が一体的に
溶接できて、負荷の伝達が確実に行えるようになる。
In such a structure, the staggered dimension of the welded portion is set to 10 mm or less, so that the cold column for the beam-column joint and the cold column for the column base tube are integrated. Welding can be carried out, and the load can be transmitted reliably.

【0022】請求項6に記載された発明は、請求項5に
記載の増厚補強型の柱梁接合部を有する角形柱におい
て、前記柱梁接合部用冷間コラムの板厚を22,25,
28,32,36,40mmとして角部Rを形成させる
とともに、これら冷間コラムに当接させる前記柱素管部
用冷間コラムの板厚を、それぞれこの順番に19,19
〜22,22〜25,28,32,36mmとしたこと
を特徴としている。
According to a sixth aspect of the present invention, in the rectangular column having the thickened reinforcing column-beam joint according to the fifth aspect, the thickness of the cold column for the column-beam joint is 22, 25. ,
The corner portions R are formed as 28, 32, 36, and 40 mm, and the plate thickness of the cold column for the column tube section to be brought into contact with these cold columns is 19, 19 in this order.
~ 22,22 ~ 25,28,32,36mm.

【0023】この様なものにあっては、柱梁接合部用組
付コラムと柱素管部用組付コラムとの当接させる角部R
の範囲を設定させたので、一体的に当接できる組み合わ
せが、容易に選定できるようになる。
In such a case, the corner R to be brought into contact with the assembling column for the beam-column joint and the assembling column for the column pipe section is provided.
Is set, a combination that can be brought into contact integrally can be easily selected.

【0024】請求項7に記載された発明は、請求項4に
記載の増厚補強型の柱梁接合部を有する角形柱におい
て、前記柱梁接合部と前記柱素管部とを溶接し前記角形
柱を形成させる、柱梁接合部用熱間コラムと前記柱素管
部用冷間コラムとを上下方向に当接させる溶接部におい
て、それぞれの当接する溶接面の角部Rの目違い寸法が
10mm以下であるようにしたことを特徴としている。
According to a seventh aspect of the present invention, in the rectangular column having the thickened reinforcing column-beam joint according to the fourth aspect, the column-beam joint and the column base tube are welded to each other. In a welded portion where a hot column for a beam-to-column joint and a cold column for a column tube section are vertically contacted to form a prismatic column, a misalignment dimension of a corner R of a welding surface to be contacted with each other. Is 10 mm or less.

【0025】この様なものにあっては、溶接部の目違い
寸法が10mm以下であるようにしたので、柱梁接合部
用熱間コラムと前記柱素管部用冷間コラムとの間が一体
的に溶接できて、負荷の伝達が確実に行えるようにな
る。
In such a case, since the staggered dimension of the welded portion is set to be 10 mm or less, the space between the hot column for the beam-column joint and the cold column for the column tube portion is reduced. Welding can be performed integrally, and load transmission can be performed reliably.

【0026】請求項8に記載された発明は、請求項7に
記載の増厚補強型の柱梁接合部を有する角形柱におい
て、前記柱梁接合部用熱間コラムの板厚を22,25,
28,32,36,40,50,60mmとして角部R
を形成させるとともに、これら熱間コラムに当接させる
前記柱素管部用冷間コラムの板厚を、それぞれこの順番
に19,19,19〜22,19〜25,19〜28,
19〜28,22〜36,28〜40mmとしたことを
特徴としている。
According to an eighth aspect of the present invention, in the rectangular column having the thickened reinforcing column-beam joint according to the seventh aspect, the plate thickness of the hot column for the beam-column joint is 22, 25. ,
28, 32, 36, 40, 50, 60 mm and corner R
And the plate thicknesses of the cold columns for the column tube section to be brought into contact with the hot columns are set in this order to 19, 19, 19 to 22, 19 to 25, 19 to 28,
19 to 28, 22 to 36, 28 to 40 mm.

【0027】この様なものにあっては、柱梁接合部用組
付コラムと柱素管部用組付コラムとの当接させる角部R
の範囲を設定させたので、一体的に当接できる組み合わ
せが、容易に選定できるようになる。
In such a case, a corner portion R at which the assembling column for the beam-column joint and the assembling column for the column tube section are brought into contact.
Is set, a combination that can be brought into contact integrally can be easily selected.

【0028】請求項9に記載された発明は、請求項4に
記載の増厚補強型の柱梁接合部を有する角形柱におい
て、前記柱梁接合部と前記柱素管部とを溶接し前記角形
柱を形成させる、ほぼ断面方形の筒状に鋼板を組み付け
た柱梁接合部用組付コラムと前記柱素管部用冷間コラム
とを上下方向に当接させる溶接部において、外法を面一
とした状態で、角部の外角、内角及び内面側の各間の目
違い寸法が10mm以下となるように複数のテーパ加工
部を設けたことを特徴としている。
According to a ninth aspect of the present invention, in the rectangular column having the thickened reinforcing column-beam joint according to the fourth aspect, the column-beam joint and the column base tube are welded to each other. In the welded part which forms the prismatic column, the welding column for vertically contacting the assembling column for the beam-column joint where the steel plate is assembled in a substantially cross-sectionally square tubular shape and the cold column for the column base tube part, It is characterized in that a plurality of tapered portions are provided so that the staggered dimension between the outer corner, the inner corner, and the inner side of the corner is 10 mm or less in the state of being flush.

【0029】この様なものにあっては、溶接部の目違い
寸法が10mm以下であるようにしたので、柱梁接合部
用組付コラムと柱素管部用冷間コラムとの間が一体的に
溶接できて、負荷の伝達が確実に行えるようになる。
In such a case, the staggered dimension of the welded portion is set to 10 mm or less, so that the assembly column for the beam-column joint and the cold column for the column base tube are integrated. Welding can be carried out, and the load can be transmitted reliably.

【0030】請求項10に記載された発明は、請求項4
に記載の増厚補強型の柱梁接合部を有する角形柱におい
て、前記柱梁接合部と前記柱素管部とを溶接し前記角形
柱を形成させる、ほぼ断面方形の筒状に鋼板を組み付け
た、柱梁接合部用組付コラムと柱素管部用組付コラムと
を上下方向に当接させる溶接部において、外法を面一と
した状態で、内面側の目違い寸法が10mm以下になる
ように処理するテーパ加工部を形成させたことを特徴と
している。
The invention described in claim 10 is the fourth invention.
In the prismatic column having the beam-to-column joint of the thickening reinforcement type according to the above, the column-to-beam joint and the column base tube are welded to form the prismatic column, and a steel plate is assembled into a tube having a substantially rectangular cross section. In addition, at the welded portion where the assembling column for the beam-to-column joint and the assembling column for the column pipe section are vertically abutted, the misalignment dimension on the inner surface side is 10 mm or less with the outer method being flush. The tapered portion is formed so as to be processed as follows.

【0031】この様なものにあっては、溶接部の目違い
寸法が10mm以下であるようにしたので、柱梁接合部
用組付コラムと柱素管部用組付コラムとの間が一体的に
溶接できて、負荷の伝達が確実に行えるようになる。
In such a case, since the staggered dimension of the welded portion is set to 10 mm or less, the assembly column for the beam-column joint and the assembly column for the column tube section are integrated. Welding can be carried out, and the load can be transmitted reliably.

【0032】[0032]

【発明の実施の形態】BEST MODE FOR CARRYING OUT THE INVENTION

【0033】[0033]

【実施の形態1】本発明の実施の形態1に係る増厚補強
型の柱梁接合部を示す図1〜図6に基づいて説明する。
[Embodiment 1] An explanation will be given based on FIGS. 1 to 6 showing a thickened reinforcement type beam-column joint according to Embodiment 1 of the present invention.

【0034】図1において、20は角形柱、21は増厚
補強型の柱梁接合部で、この柱梁接合部21に適合する
梁31,32を接合させ、この柱梁接合部21に溶接部
24を介して、上下方向に柱素管部22を溶接・接合さ
せて、角形柱20を構成させている。
In FIG. 1, reference numeral 20 denotes a prismatic column, 21 denotes a thickened reinforcing beam-to-column joint, and beams 31 and 32 conforming to the beam-to-column joint 21 are joined. The column base tube portion 22 is welded and joined in the vertical direction via the portion 24 to form the prism 20.

【0035】また、23は柱板厚さを内側に向けて増厚
させた増厚部で、この増厚部23の端部は、上下に柱素
管部22の柱板厚さに向けて同等の厚さとなるようにテ
ーパ状に加工し、柱素管部22と溶接させるようにして
いる。
Reference numeral 23 denotes a thickened portion in which the thickness of the column plate is increased inward. The ends of the thickened portion 23 are vertically oriented toward the column plate thickness of the column base tube portion 22. It is processed into a tapered shape so as to have the same thickness, and is welded to the column base tube portion 22.

【0036】さらに、この増厚補強された柱梁接合部2
1には、直結梁31やこの直結梁31の端部の梁フラン
ジ31aに水平ハンチ33を、ほぼ柱幅に設けた水平ハ
ンチ梁32とを、それぞれ角溶接部31b,32bを介
して一体に溶接・接合するようにしている。
Furthermore, the beam-to-column joint 2 reinforced by thickening
1, a horizontal haunch 33 is provided on a directly connected beam 31 or a beam flange 31a at an end of the directly connected beam 31, and a horizontal haunch beam 32 provided substantially in a column width is integrally formed via corner welds 31b and 32b, respectively. We are trying to weld and join.

【0037】なお、長尺の柱素管部22を使用し、その
途中に複数の増厚部23を所定の間隔に形成させて、一
体の角形柱20を構成させてもよい。
The rectangular prism 20 may be formed by using a long column base tube portion 22 and forming a plurality of thickened portions 23 at predetermined intervals in the middle thereof.

【0038】図2に示す増厚補強型の柱梁接合部21に
おいて、Bは柱幅、tは柱素管部22の柱板厚さ、ti
は柱梁接合部21の増幅部23の柱板厚さである。
In the thickened reinforcing column-beam joint 21 shown in FIG. 2, B is the column width, t is the column plate thickness of the column base tube portion 22, and ti
Denotes the thickness of the column plate of the amplification section 23 of the beam-column joint 21.

【0039】また、Hは梁せい、iLは、梁31(3
2)の梁フランジ31a(32a)からの増厚部23端
部までの寸法である増厚延長部を示しており、その耐力
から柱幅Bを0.2倍した値以上であればよい(図6参
照)。
H is the beam, and iL is the beam 31 (3
2) indicates a thickened extension part which is a dimension from the beam flange 31a (32a) to the end of the thickened part 23, and it is sufficient if the column width B is 0.2 times or more from its proof strength ( See FIG. 6).

【0040】したがって、増厚補強型の柱梁接合部21
の増厚部の範囲jLは、梁31(32)の上下梁フラン
ジ31a(32a)からの両増厚延長部iLである0.
2Bを、梁せいHの上下に加算させたものである。これ
を式で表現すると、jL≧H+0.2B×2 で示すこ
とができる。
Therefore, the thickened reinforcing beam-column joint 21
The range jL of the thickened portion is the thickened extending portion iL from the upper and lower beam flanges 31a (32a) of the beam 31 (32).
2B is added above and below the beam H. This can be expressed by the following equation: jL ≧ H + 0.2B × 2.

【0041】なお、本発明の実施の形態1においては、
Bは550〜750mmの寸法として、柱素管部22の
柱板厚さtを19〜40mmとしたときの、柱梁接合部
21の必要柱板厚さtiを求めたものである。
In the first embodiment of the present invention,
B is the required column plate thickness ti of the beam-column joint 21 when the column plate thickness t of the column base tube portion 22 is set to 19 to 40 mm with the dimension of 550 to 750 mm.

【0042】また、増厚補強型の柱梁接合部21に、所
定の耐力を有して梁接合ができる構造形式について、図
3に基づいて説明する。
Referring to FIG. 3, a description will be given of a structural form in which a beam can be joined to the thickened reinforcing column-to-beam joint 21 with a predetermined strength.

【0043】図3において、既設計の構造体の角形柱2
0の中から、ダイアフラム4で補強した柱梁接合部2A
(図14参照)の柱幅Bと柱板厚さtとの比B/t(以
下、幅厚比)を算出させた既設計値と、梁フランジ31
a,32aからの増厚延長部iLを150mmに固定し
て、降伏線理論により相関させて増厚させた柱板厚さt
iを算定し、この時の増厚した柱板厚さtiと、柱幅B
とから梁先行降伏となるように幅厚比B/tiの算出値
とを座標化したものである。
In FIG. 3, the prism 2 of the already designed structure
0, column-to-column joint 2A reinforced with diaphragm 4
The design value obtained by calculating the ratio B / t (hereinafter referred to as the width-thickness ratio) between the column width B and the column plate thickness t (see FIG. 14) and the beam flange 31
a, the thickness t of the column plate thickness increased by fixing the thickened extension iL from 150a to 150 mm and correlating it by yield line theory
i is calculated, and the column thickness ti increased at this time and the column width B
, And the calculated value of the width-thickness ratio B / ti is converted into coordinates so that the beam yields first.

【0044】そして、この座標の上に、柱板厚さtの増
厚の限界値である2tの増幅限界線:B/ti=0.5
B/t… を重ね、この線と縦座標軸とで規制され
る第1ゾーンαと、横座標軸とで規制される第2ゾーン
βに、それぞれ適合する梁接合の構造形式を設定して増
厚補強型の柱梁接合部21を形成させるようにしたもの
である。
Then, on this coordinate, an amplification limit line of 2t, which is a limit value of the increase of the thickness t of the column plate, is B / ti = 0.5.
B / t... Are overlapped, and a beam joint structure type is set that is adapted to the first zone α regulated by this line and the ordinate axis and the second zone β regulated by the abscissa axis, and the thickness is increased. The reinforcing column-beam joint 21 is formed.

【0045】すなわち、第1ゾーンαにおいては、図4
(a)、(b)に示すように、増厚した柱梁接合部21
に梁31を直接接合させる直結接合構造形式とし、第2
ゾーンβにおいては、図5(a)、(b)に示すよう
に、増厚した柱梁接合部21に梁32に水平ハンチ33
を設けて接合させる水平ハンチ梁接合構造形式を、それ
ぞれ設定するようにしたものである。
That is, in the first zone α, FIG.
(A) As shown in FIG.
The beam 31 is directly connected to the structure.
In the zone β, as shown in FIGS. 5A and 5B, the horizontal haunch 33
The horizontal haunch beam joining structure type to be provided and joined is set respectively.

【0046】したがって、新たに設計された柱梁接合部
21の幅厚比B/tiが、第1・第2ゾーンα,βのど
ちらの座標に位置しているかを確認すれば、梁接合の構
造形式を設定することが可能となる。
Therefore, if it is confirmed in which of the first and second zones α and β the width / thickness ratio B / ti of the newly designed column-to-beam joint 21 is located, the beam joint can be determined. It is possible to set the structure format.

【0047】なお、ここで、増厚補強型の柱梁接合部2
1の柱板厚さtiは、梁接合の構造形式を純ラーメン構
造とし平面形状を整形として、ダイアフラムで補強した
柱梁接合部2Aの幅厚比B/t(図14参照)と、降伏
線理論により前記複数の既設計値から相関させて算出さ
せている。
Here, the thickened reinforcing column-beam joint 2
The column plate thickness ti of 1 is a width-to-thickness ratio B / t (see FIG. 14) of a beam-column joint 2A reinforced with a diaphragm, with a beam joint structure of a pure ramen structure and a planar shape, and a yield line. It is calculated by correlation from the plurality of designed values according to the theory.

【0048】また、角形柱20および梁31,32の降
伏点は、それぞれ同一の値とするとともに、梁崩壊型と
なるように柱梁接合部21の全塑性耐力は、梁31,3
2の全塑性耐力の1.1以上としている。
The yield points of the rectangular column 20 and the beams 31 and 32 are set to the same value, and the total plastic strength of the beam-column joint 21 is set to be the beams 31 and 3 so that the beam collapses.
2, which is 1.1 or more of the total plastic proof stress.

【0049】つづけて、柱梁接合部21における増厚部
の範囲jLについて、図6に基づいて説明する。
Next, the range jL of the thickened portion in the beam-column joint 21 will be described with reference to FIG.

【0050】図6において、縦座標軸は、柱梁接合部の
全塑性耐力(iL耐力)と、柱全長の柱板厚さを増厚し
たときの全塑性耐力(iL∞耐力)との比(iL∞耐力
/iL耐力)とし、また、横座標軸は、梁フランジ31
aから増厚部23の端部までの寸法である増厚延長部i
Lと、柱梁接合部21の柱幅Bとの比iL/Bとしてい
る。
In FIG. 6, the ordinate axis is the ratio of the total plastic strength (iL strength) of the column-to-beam joint to the total plastic strength (iL 力 proof strength) when the column thickness of the entire length of the column is increased. iL∞proof strength / iL strength), and the abscissa axis is the beam flange 31.
a to the end of the thickened portion 23.
The ratio of L to the column width B of the beam-column joint 21 is iL / B.

【0051】そして、角形柱20の柱板厚さtが、増厚
した柱梁接合部21として、1.25tに増厚された場
合、iL/B=0での耐力は、iL∞の全塑性耐力の
0.85であり、柱板厚さtiが厚くなるにつれiL/
B=0での全塑性耐力比は小さくなるが、iL/Bが大
きくなるにつれ全塑性耐力比の上昇率は、柱板厚さti
が厚くなるにつれて大きくなって行く。
When the column thickness t of the prismatic column 20 is increased to 1.25 t as the increased column-beam joint 21, the proof stress at iL / B = 0 is equal to the total of iL∞. The plastic proof stress is 0.85, and as the column plate thickness ti increases, iL /
Although the total plastic proof stress ratio at B = 0 decreases, as iL / B increases, the rate of increase of the total plastic proof stress ratio increases with the column plate thickness ti.
It grows bigger as it gets thicker.

【0052】そして、一例として、iL=150mmと
して、柱梁接合部21の全塑性耐力算定を行った結果、
耐力が充分に確保されることが判かり、このときの横座
標値iL/Bを算定すると0.2〜0.27の値とな
り、iL/Bが0.2以上であれば、実用に供する耐力
となることが分かる。
As an example, assuming that iL = 150 mm, the total plastic strength of the beam-column joint 21 was calculated.
It was found that the proof stress was sufficiently ensured, and the abscissa value iL / B at this time was calculated to be a value of 0.2 to 0.27. If iL / B was 0.2 or more, it was put to practical use. It turns out that it becomes proof stress.

【0053】[0053]

【実施の形態2】本発明の実施の形態2に係る増厚補強
型の柱梁接合部を有する角形柱を示す図7〜図13に基
づいて説明する。
Embodiment 2 A description will be given based on FIGS. 7 to 13 showing a square pillar having a thickened reinforcing column-beam joint according to a second embodiment of the present invention.

【0054】角形柱20は、増厚補強型の柱梁接合部2
1の上下端部に、柱素管部22を溶接部24を介して一
体に接合して柱状に構成させている。
The prismatic column 20 is a column-beam joint 2 of a thickened reinforcement type.
The upper and lower ends of the column 1 are integrally formed with a column base tube portion 22 via a welded portion 24 to form a columnar tube.

【0055】この角形柱20は、外形状が同等であれば
材質や加工方法は、適切な組み合わせでよい。その組み
合わせ例を、表1に示す。
As long as the prisms 20 have the same outer shape, the material and the processing method may be in an appropriate combination. Table 1 shows an example of the combination.

【0056】[0056]

【表1】 [Table 1]

【0057】しかしながら、表1に示すように、角形柱
20としての溶接・接合させる柱梁接合部21と、柱素
管部22との間で互いに当接する溶接面24aの最小の
外部曲率半径Rが、冷間コラムにおいてR=3.5t、
熱間コラムにおいてR=2tと曲げ加工限界を有するこ
とから目違いが生じて、組み合わせにも規制が出ること
となる。
However, as shown in Table 1, the minimum outer radius of curvature R of the welding surface 24a abutting on the column-to-column joint portion 21 to be welded and joined as the rectangular column 20 and the column tube portion 22 is formed. Is R = 3.5t in the cold column,
Since the hot column has a bending limit of R = 2t, misalignment occurs, and combinations are restricted.

【0058】その規制をクリアできる組み合わせを可能
とした、柱梁接合部を有する角形柱20について以下に
詳述する。
The prism 20 having a beam-to-column joint that enables a combination that can satisfy the regulation will be described in detail below.

【0059】図7(a),(b)は、増厚された柱梁接
合部と柱素管部との当接する溶接面の角部Rの目違い寸
法を示す図であり、図7(a)は部分平面図、図7
(b)は図7(a)のP−P線に沿った縦断面図であ
る。
FIGS. 7 (a) and 7 (b) are views showing misalignment dimensions of a corner portion R of a welded surface where a thickened column-to-column joint and a column tube are in contact. a) is a partial plan view, FIG.
(B) is a longitudinal sectional view along the line PP of FIG. 7 (a).

【0060】この図7(a)、(b)では、表1の組合
せ種類の中のケース1とケース2とが該当する。
In FIGS. 7A and 7B, case 1 and case 2 in the combination types in Table 1 correspond.

【0061】図中、柱梁接合部21と柱素管部22との
目違い寸法dの値が、10mmを超える場合には使用不
可範囲とし、これ以内の目違い寸法dの組み合わせとす
る必要がある。
In the drawing, when the value of the misalignment dimension d between the beam-to-column joint portion 21 and the column base tube portion 22 exceeds 10 mm, it is determined that the unusable range is used, and a combination of the misalignment dimension d within this range is required. There is.

【0062】したがって、ケース1である、柱梁接合部
21と柱素管部22の双方とも冷間コラムを使用する場
合には、柱梁接合部用冷間コラムの板厚を22,25,
28,32,36,40mmとして角部Rを形成させ、
これら冷間コラムに当接させる柱素管部用冷間コラムの
板厚を、それぞれこの順番に19,19〜22,22〜
25,28,32,36mmとすることにより、当接す
る溶接面24aが10mm以上ずれることなく溶接・接
合ができて、一体の角形柱20を形成させることが可能
となる。
Therefore, when the cold column is used for both the column-to-column joint portion 21 and the column base tube portion 22, which is the case 1, the plate thickness of the column-to-column joint cold column is set to 22, 25, and 25.
28, 32, 36, 40 mm to form a corner R,
The plate thicknesses of the column base tube cold column to be brought into contact with these cold columns are respectively 19, 19 to 22, 22 to
By setting them to 25, 28, 32, and 36 mm, welding and joining can be performed without the welding surface 24a to be in contact being shifted by 10 mm or more, and the integral rectangular column 20 can be formed.

【0063】また、ケース2である、柱梁接合部21を
熱間コラムとし柱素管部22を冷間コラムを使用する場
合には、柱梁接合部用熱間コラムの板厚を22,25,
28,32,36,40,50,60mmとして角部R
を形成させ、これら熱間コラムに当接させる柱素管部用
冷間コラムの板厚を、それぞれこの順番に19,19,
19〜22,19〜25,19〜28,19〜28,2
2〜36,28〜40mmとすることにより、当接する
溶接面24aが10mm以上ずれることなく溶接・接合
ができて、一体の角形柱20を形成させることが可能と
なる。
When the column-to-column joint 21 is a hot column and the column blank 22 is a cold column, the thickness of the column-to-column joint hot column is 22, 25,
28, 32, 36, 40, 50, 60 mm and corner R
Are formed, and the plate thicknesses of the cold columns for the column tube section to be brought into contact with the hot columns are set to 19, 19, and 19 in this order, respectively.
19-22, 19-25, 19-28, 19-28, 2
By setting the thickness to 2 to 36, 28 to 40 mm, welding and joining can be performed without shifting the welding surface 24 a by 10 mm or more, and the integral rectangular column 20 can be formed.

【0064】図8は、柱梁接合部と柱素管部との当接す
る溶接面の目違い寸法をテーパ加工する全般的な説明図
である。
FIG. 8 is a general explanatory view of tapering a difference dimension of a welded surface that abuts a column-beam joint portion and a column tube portion.

【0065】図8において、増厚した柱梁接合部21の
端部を、目違い寸法dをテーパ加工して、当接する溶接
面24aがほぼ同厚になるようにした状態を示してい
る。その時のテーパ加工部tcは、1/2.5程度のこ
う配を持たせ溶接面24aでの柱板厚さが同等になるよ
うにしている。
FIG. 8 shows a state in which the end portion of the increased column-beam joint 21 is tapered with a staggered dimension d so that the welding surface 24a to be brought into contact is substantially the same thickness. At this time, the tapered portion tc has a gradient of about 1 / 2.5 so that the thickness of the column at the welding surface 24a is equal.

【0066】したがって、このこう配によるテーパ加工
を、当接する溶接面24aで全般的に適用することによ
り、溶接面に作用する応力を滑らかに伝達することが可
能となる。
Therefore, by applying the taper processing by this gradient to the welding surface 24a in contact with the whole, it is possible to smoothly transmit the stress acting on the welding surface.

【0067】図9(a),(b)は、4枚の増厚した鋼
板を断面ほぼ方形の筒状に組み付けた柱梁接合部と、柱
素管部との当接する溶接面角部の目違い寸法を示す図で
あり、図9(a)は部分平面図、図9(b)は鋼板を筒
状に組み付けた柱梁接合部の斜視図である。
FIGS. 9 (a) and 9 (b) show a beam-to-column joint in which four thickened steel plates are assembled in a substantially rectangular cross section, and a weld surface corner portion in contact with a column base tube. FIG. 9 (a) is a partial plan view, and FIG. 9 (b) is a perspective view of a beam-column joint in which a steel plate is assembled in a cylindrical shape.

【0068】この図9(a),(b)では、表1の組合
せ種類の中のケース3が該当する。
In FIGS. 9A and 9B, the case 3 in the combination types shown in Table 1 corresponds.

【0069】このケース3である、柱梁接合部21をほ
ぼ断面方形の筒状に鋼板を組み付けた組付コラムとし、
柱素管部22を冷間コラムを使用する場合には、外法を
面一とした状態で、角部の外角、内角及び内面側の各間
の目違い寸法が10mm以下となるように複数のテーパ
加工部を設け、柱梁接合部21と柱素管部22である組
付コラムとを溶接・接合させて、角形柱20を形成させ
るようにしている。
In this case 3, the beam-to-column joint 21 is an assembling column in which a steel plate is assembled in a tubular shape having a substantially rectangular cross section.
When a cold column is used for the column base tube portion 22, a plurality of such that the difference between the outer angle, the inner angle, and the inner surface side of the corner portion is 10 mm or less in a state where the outer method is flush. And the column-to-column joint 21 is welded and joined to the assembled column, which is the column base tube 22, to form the prismatic column 20.

【0070】すなわち、図9(a)において、実線で示
す21は増厚補強型の柱梁接合部で、鎖線で示す22は
柱素管部である。そして、この2つは上下端が当接した
状態を平面図で示している。
That is, in FIG. 9A, reference numeral 21 shown by a solid line denotes a thickened reinforcing column-beam joint, and reference numeral 22 shown by a dashed line denotes a column pipe section. And these two have shown the state which the upper and lower ends contacted by the top view.

【0071】図中、d1は、角部での柱梁接合部21と
柱素管部22との外側目違い寸法、d2は、内側目違い
寸法で、d3は、柱梁接合部と柱素管部との柱板厚さの
差を示している。
In the figure, d1 is the outer misalignment between the column-beam joint 21 and the column base tube 22 at the corner, d2 is the inner misalignment, and d3 is the column-beam joint and the column element. The difference in the thickness of the column from the tube is shown.

【0072】図9(b)において、tcは、外角部での
目違い寸法d1を削り落とすようにしたテーパ加工部を
示している。また、d2は、目違いが生じないような角
部Rを有する柱素管部22を選定するか、目違い寸法の
小さいものは肉盛り溶接とする。さらに、d3は、増厚
した柱梁接合部21と柱素管部22との当接する溶接面
24aとが同等厚さとなるように、柱梁接合部21の端
部内周面にテーパ加工部tcを設けている(図8参
照)。
In FIG. 9B, tc indicates a tapered portion in which the staggered dimension d1 at the outer corner is cut off. As for d2, a column base tube portion 22 having a corner portion R that does not cause misalignment is selected, or a weld having a small misalignment dimension is overlaid welding. Further, d3 is a tapered portion tc on the inner peripheral surface at the end of the beam-to-column joint 21 so that the welded surface 24a of the column-to-column joint 22 and the column tube 22 that is in contact with each other has the same thickness. (See FIG. 8).

【0073】図10(a),(b)は、4枚の増厚した
鋼板を断面ほぼ方形の筒状に組み付けた柱梁接合部と、
同様にの外形状となるように組み付けた柱素管部とを端
部で当接する溶接面の目違い寸法を示す図であり、図1
0(a)は部分平面図、図10(b)は図10(a)の
断面図である。
FIGS. 10 (a) and 10 (b) show a beam-column joint in which four thickened steel plates are assembled into a tube having a substantially rectangular cross section.
FIG. 1 is a view showing a difference dimension of a welding surface at which an end of a column base tube portion assembled so as to have a similar outer shape is brought into contact.
0 (a) is a partial plan view, and FIG. 10 (b) is a sectional view of FIG. 10 (a).

【0074】この図10(a)、(b)では、表1の組
み合わせ種類の中のケース4に該当する。
FIGS. 10A and 10B correspond to Case 4 in the combination types in Table 1.

【0075】このケース4である、柱梁接合部21と柱
素管部22の双方とも、ほぼ断面方形の筒状に鋼板を組
み付けた組付コラムを使用する場合には、外法を面一と
した状態で、内面側の目違い寸法が10mm以下になる
ように処理するテーパ加工部を形成させ、当接する溶接
面24aが10mm以上ずれることなく溶接・接合がで
きて、一体の角形柱20を形成させるようにしている。
In the case 4, in which the column-to-column joint 21 and the column blank 22 are both assembled columns in which a steel plate is assembled in a cylindrical shape having a substantially rectangular cross section, the external method must be flush. In this state, a tapered portion is formed so as to reduce the misalignment dimension on the inner surface side to 10 mm or less, and welding / joining can be performed without the welding surface 24a contacting being shifted by 10 mm or more. Is formed.

【0076】すなわち、図10(a)において、実線で
示す21は増厚した鋼板を筒状に組み付けた柱梁接合部
で、鎖線で示す22は、薄手の鋼板を組み合わせて、柱
幅Bが同等になるように筒状に組み付けた柱素管部であ
る。そして、この2つの上下端を当接させて部分平面図
で示しており、図中、d は、柱梁接合部21と柱素管
部22との内側の目違い寸法を示している。
That is, in FIG. 10 (a), 21 indicated by a solid line is a column-beam joint where a thickened steel plate is assembled in a cylindrical shape, and 22 indicated by a chain line is a combination of thin steel plates, and the column width B is reduced. It is a column element tube part assembled in a cylindrical shape so as to be equivalent. The two upper and lower ends are in contact with each other and are shown in a partial plan view. In the drawing, d denotes the difference between the inside of the column-beam joint portion 21 and the column base tube portion 22.

【0077】図10(b)において、tcは、増厚し筒
状に形成させた柱梁接合部21と、同様に筒状に形成し
当接させた溶接面24aの目違い寸法dが、同等厚さと
なるようにテーパ加工される、柱梁接合部21の端部内
周面に設けたテーパ加工部を示すものである。
In FIG. 10 (b), tc is the misalignment dimension d of the column-to-column joint 21 which is thickened and formed in a cylindrical shape, and the welding surface 24a which is also formed and abutted in a cylindrical shape. 9 shows a tapered portion provided on the inner peripheral surface of the end portion of the beam-column joint 21 to be tapered so as to have the same thickness.

【0078】したがって、このテーパ加工部tcは、図
8に示すように、内側に向けてこう配約1/2.5にテ
ーパ加工し、柱梁接合部21と柱素管部22とが段差無
く連結できるようになる。
Therefore, as shown in FIG. 8, the tapered portion tc is tapered inward toward the inside at a gradient of about 1 / 2.5, so that the column-to-column joint 21 and the column tube 22 have no step. Be able to connect.

【0079】図11(a)、(b)は、4枚の増厚した
鋼板を断面ほぼ方形の筒状に組み付けた柱梁接合部であ
る組付コラムのテーパ加工部の説明図である。
FIGS. 11 (a) and 11 (b) are explanatory views of a tapered portion of an assembling column which is a column-to-beam joint in which four thickened steel plates are assembled in a substantially rectangular cross section.

【0080】図11(a)において、21aは所定の縦
横寸法に材料取りした鋼板の上下端部を、約1/2.5
のこう配となるようにテーパ加工して、テーパ加工部t
cを形成させたものである。この鋼板21aを柱梁接合
部21ごとに4枚作る。
In FIG. 11 (a), reference numeral 21a denotes upper and lower ends of a steel sheet taken out of a predetermined length and width, respectively, by about 1 / 2.5.
Taper processing so as to have a slope
c is formed. Four steel plates 21a are formed for each of the beam-to-column joints 21.

【0081】そして、図11(b)において、テーパ加
工された4枚の鋼板を、テーパ加工部tcが互いに内側
に向き合うように筒状に組み合わせ溶接して、増厚補強
型の柱梁接合部21を形成させる。
In FIG. 11 (b), the four tapered steel plates are combined and welded in a cylindrical shape such that the tapered portions tc face inward to each other to form a thickened reinforcing column-beam joint. 21 are formed.

【0082】したがって、テーパ加工部tcを持って形
成された柱梁接合部21は、同様に薄手の鋼板で筒状に
形成された柱素管部22(図示せず)と同等厚さで当接
する溶接面24aを得ることができる。
Therefore, the beam-column joint 21 formed with the tapered portion tc has a thickness equivalent to that of the columnar tube 22 (not shown) similarly formed of a thin steel plate in a cylindrical shape. A contacting welding surface 24a can be obtained.

【0083】図12(a)、(b)は、4枚の増厚した
鋼板を断面ほぼ方形の筒状に組み合わせた柱梁接合部の
テーパ加工部の説明図である。
FIGS. 12 (a) and 12 (b) are explanatory views of a tapered portion of a beam-column joint in which four thickened steel plates are combined in a substantially rectangular cross section.

【0084】図12(a)においては、先ず、所定の縦
横寸法に材料取りした4枚の鋼板21aを、各角部で溶
接して筒状に柱梁接合部21を形成する。
In FIG. 12 (a), first, four steel plates 21a, each of which is made of a material having a predetermined length and width, are welded at each corner to form a column-beam joint portion 21 in a cylindrical shape.

【0085】図12(b)においては、その後、柱梁接
合部21の両端部の内側周縁に沿って、約1/2.5の
こう配を持たせてテーパ加工してテーパ加工部tcを有
する柱梁接合部21を完成させる。
In FIG. 12 (b), thereafter, a tapered portion tc is formed by tapering with a gradient of about 1 / 2.5 along the inner peripheral edges of both ends of the beam-column joint 21. The beam-column joint 21 is completed.

【0086】したがって、図11(b)で示すテーパ加
工部tcを有する、増厚補強型の柱梁接合部21と同等
となって、同様の構成と作用とを発揮することができる
ようになる。
Therefore, it becomes equivalent to the thickened reinforcement type beam-to-column joint 21 having the tapered portion tc shown in FIG. 11 (b), and can exhibit the same configuration and operation. .

【0087】図13(a)、(b)は、柱梁接合部を有
する角形柱を示す図であり、図13(a)は部分側面
図、図13(b)は、図13(a)q部の断面図であ
る。
FIGS. 13 (a) and 13 (b) are views showing a prism having a beam-column joint. FIG. 13 (a) is a partial side view, and FIG. 13 (b) is FIG. 13 (a). It is sectional drawing of q part.

【0088】図13(a)において、増厚補強型の柱梁
接合部21の上下の端部に溶接部24を介して、上下に
柱素管部22を接合して構成した角形柱20を示してい
る。
In FIG. 13 (a), a square pillar 20 constituted by vertically joining a column tube 22 to upper and lower ends of a beam-to-column joint 21 of a thickened reinforcing type via welding portions 24 is shown. Is shown.

【0089】図13(b)において、柱梁接合部21と
柱素管22との当接する溶接面24aを介して溶接する
溶接部24を同等の厚さとするために、その内周面をテ
ーパ加工して、テーパ加工部tcを削除する状態を示し
ている。
In FIG. 13 (b), the inner peripheral surface is tapered in order to make the welded portion 24 to be welded via the welded surface 24a where the beam-to-column joint 21 and the column tube 22 come into contact with each other the same thickness. The state in which the tapered portion tc is removed by processing is shown.

【0090】(実施例)以上のように、増厚補強型の柱
梁接合部を有する角形柱20を構成させるために、柱梁
接合部21と柱素管部22との材質・板厚等からくる角
部の曲率や柱厚さの増厚の限界から、その組み合わせの
種類・範囲を設定することができた。
(Example) As described above, in order to form the prismatic column 20 having the thickened reinforcing column-beam joint, the material, plate thickness, etc. of the column-beam joint 21 and the column base tube 22 are determined. The type and range of the combination could be set from the limits of the curvature of the corners coming from and the increase in column thickness.

【0091】表2にその結果を示す。Table 2 shows the results.

【0092】[0092]

【表2】 [Table 2]

【0093】注記: ○印は、柱梁接合部:冷間コラ
ム、柱素管部:熱間コラム △印は、柱梁接合部、柱素管部とも冷間コラム ◎印は、柱梁接合部:熱間コラムまたは冷間コラム、柱
素管部:冷間コラム
Note: ○: column-to-column joint: cold column, column shell: hot column △: column-to-column joint, column both cold column ◎: column-to-column joint Part: Hot column or cold column, column element: Cold column

【0094】[0094]

【発明の効果】以上説明してきたように、請求項1に記
載の発明は、柱板厚さの増厚限界線を境として2つのゾ
ーンを設け、各ゾーンごとに梁接合の構造形式を適合す
るものとしたので、強度やコストの見合う梁接合構造を
設定することができるようになる。したがって、柱梁接
合部にかかる負荷に適合する強度の梁接合の構造となる
上に、コストの低減が図れる。
As described above, according to the first aspect of the present invention, two zones are provided at the boundary of the thickness limit line of the thickness of the column plate, and the structural form of the beam joint is adapted for each zone. Therefore, it is possible to set a beam joint structure that is suitable for strength and cost. Accordingly, a beam-joining structure having a strength suitable for the load applied to the beam-column joint is obtained, and the cost can be reduced.

【0095】請求項2に記載の発明は、柱板厚さの2倍
を増厚限界線としたので、2倍を超える第2ゾーンで
は、2倍以上に増厚ができなくても、梁に水平ハンチを
設けて溶接することにより、柱梁接合部の強度を確保す
ることができるようになる。したがって、柱梁接合部は
2倍を超えて増厚することなく、梁接合ができてコスト
の低減が図れる。
According to the second aspect of the present invention, the thickness limit line is set to twice the thickness of the columnar plate. Therefore, in the second zone exceeding twice, even if the thickness cannot be increased twice or more, the beam is By providing a horizontal haunch and welding it, the strength of the beam-column joint can be ensured. Therefore, the beam-to-column joint can be joined without increasing the thickness more than twice, and the cost can be reduced.

【0096】請求項3に記載の発明は、梁フランジの上
下に増厚延長部を規定して設けたので、柱梁接合部の増
厚による強度の上に、耐力を向上させることができる。
According to the third aspect of the present invention, since the thickening extensions are defined above and below the beam flange, the strength can be improved in addition to the strength due to the increase in the thickness of the beam-column joint.

【0097】請求項4に記載の発明は、溶接部の目違い
寸法が10mm以下であるようにしたので、柱梁接合部
と柱素管部との間が一体的に溶接できて、負荷の伝達が
確実にできる角形柱が形成できる。
According to the fourth aspect of the present invention, the staggered dimension of the welded portion is set to 10 mm or less, so that the beam-column joint portion and the column base tube portion can be integrally welded, and the load can be reduced. It is possible to form a square pillar capable of reliably transmitting.

【0098】請求項5、6に記載の発明は、溶接部の目
違い寸法が10mm以下であるようにしたので、柱梁接
合部用冷間コラムと柱素管部用冷間コラムとの間が一体
的に溶接できて、負荷の伝達が確実に行える冷間コラム
同志の角形柱が形成できる。
According to the fifth and sixth aspects of the present invention, the staggered dimension of the welded portion is set to 10 mm or less, so that the distance between the cold column for the beam-column joint and the cold column for the column tube section is reduced. Can be integrally welded to form a rectangular column between cold columns that can surely transmit a load.

【0099】請求項7、8に記載の発明は、溶接部の目
違い寸法が10mm以下であるようにしたので、柱梁接
合部用熱間コラムと前記柱素管部用冷間コラムとの間が
一体的に溶接できて、負荷の伝達が確実に行える熱間コ
ラムと冷間コラムの角形柱が形成できる。
According to the seventh and eighth aspects of the present invention, the staggered dimension of the welded portion is set to 10 mm or less, so that the hot column for the beam-column joint portion and the cold column for the column base tube portion are formed. Since the gaps can be integrally welded, square columns of a hot column and a cold column can be formed which can surely transmit a load.

【0100】請求項9に記載の発明は、溶接部の目違い
寸法が10mm以下であるようにしたので、柱梁接合部
用組付コラムと柱素管部用冷間コラムとの間が一体的に
溶接できて、負荷の伝達が確実に行える組み付けコラム
と冷間コラムの角形柱が形成できる。
According to the ninth aspect of the present invention, since the staggered size of the welded portion is 10 mm or less, the assembly column for the beam-column joint and the cold column for the column tube section are integrated. It is possible to form square columns of an assembling column and a cold column, which can be welded in a reliable manner and can reliably transmit a load.

【0101】請求項10に記載の発明は、溶接部の目違
い寸法が10mm以下であるようにしたので、柱梁接合
部用組付コラムと柱素管部用組付コラムとの間が一体的
に溶接できて、負荷の伝達が確実に行える組付コラム同
士の角形柱が形成できる。
According to the tenth aspect of the present invention, the staggered dimension of the welded portion is set to 10 mm or less, so that the assembly column for the beam-column joint and the assembly column for the column pipe section are integrated. It is possible to form a square pillar between the assembled columns that can be welded in a reliable manner and can reliably transmit the load.

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

【図1】本発明の実施の形態1に係る増厚補強型の柱梁
接合部を示す斜視図である。
FIG. 1 is a perspective view showing a thickened reinforcing column-beam joint according to Embodiment 1 of the present invention.

【図2】同実施の形態1に係る増厚補強型の柱梁接合部
を示す側面図である。
FIG. 2 is a side view showing a column-beam joint of the thickening reinforcement type according to the first embodiment.

【図3】同実施の形態1に係る柱梁接合部の幅厚比を座
標とし増厚限界線により梁接合の構造形式の適合ゾーン
を示す座標図である。
FIG. 3 is a coordinate diagram showing, using a width-to-thickness ratio of a beam-to-column joint according to the first embodiment as a coordinate and an adaptation zone of a structural type of a beam joint by a thickness increase limit line.

【図4】同実施の形態1に係る梁接合の直結構造形式を
示す図であり、図4(a)は、側面図、図4(b)は、
平面図である。
4A and 4B are diagrams showing a direct connection structure type of a beam joint according to Embodiment 1; FIG. 4A is a side view, and FIG.
It is a top view.

【図5】同実施の形態1に係る梁接合の水平ハンチ梁接
合構造形式を示す図であり、図5(a)は側面図、図5
(b)は平面図である。
5A and 5B are diagrams showing a horizontal haunch beam joining structure type of beam joining according to the first embodiment, FIG. 5A is a side view, and FIG.
(B) is a plan view.

【図6】同実施の形態1に係る柱梁接合部の各増厚倍ご
との延長部長さとその耐力を示す相関図である。
FIG. 6 is a correlation diagram showing an extension portion length and a proof stress for each thickness increase of the beam-column joint according to the first embodiment.

【図7】同実施の形態2に係る柱梁接合部用コラムと柱
素管部用コラムとの溶接面を示す説明図であり、図7
(a)は部分平面図、図7(b)は図7(a)のP−P
線に沿った部分縦断面図である。
FIG. 7 is an explanatory view showing a welding surface between the column-column joint column and the column blank tube column according to Embodiment 2;
7A is a partial plan view, and FIG. 7B is a PP of FIG.
FIG. 4 is a partial longitudinal sectional view along a line.

【図8】同実施の形態2に係る溶接面のテーパ加工の説
明図である。
FIG. 8 is an explanatory diagram of taper processing of a welding surface according to the second embodiment.

【図9】同実施の形態2に係る柱梁接合部用組付コラム
と柱素管部用冷間コラムとの溶接面を示す図であり、図
9(a)は部分平面図、図9(b)は柱梁接合部コラム
のテーパ加工を示す説明図である。
FIG. 9 is a view showing a welding surface between an assembling column for a beam-column joint and a cold column for a column pipe section according to Embodiment 2; FIG. 9 (a) is a partial plan view; (B) is explanatory drawing which shows the taper processing of a beam-column joint part column.

【図10】同実施の形態2に係る柱梁接合部用及び柱素
管部用組付コラムの溶接面を示す図であり、図10
(a)は部分平面図、図10(b)は部分縦断面図であ
る。
FIG. 10 is a view showing a welding surface of an assembling column for a beam-column joint and a column pipe section according to Embodiment 2;
10A is a partial plan view, and FIG. 10B is a partial vertical sectional view.

【図11】同実施の形態2に係る柱梁接合部用組付コラ
ムのテーパ加工を示す図であり、図11(a)は斜視
図、図11(b)は組付コラムを示す斜視図である。
11A and 11B are views showing taper processing of an assembling column for a beam-column joint according to the second embodiment, wherein FIG. 11A is a perspective view and FIG. 11B is a perspective view showing the assembling column. It is.

【図12】同実施の形態2に係る図11の別案を示す図
であり、図12(a)は組付コラムを示す斜視図、図1
2(b)はテーパ加工を示す斜視図である。
FIG. 12 is a view showing another alternative of FIG. 11 according to the second embodiment, and FIG. 12 (a) is a perspective view showing an assembly column, and FIG.
FIG. 2B is a perspective view showing the taper processing.

【図13】同実施の形態2に係る角形柱を示す説明図で
あり、図13(a)は部分側面図、図13(b)は図1
3(a)のq部の断面図である。
FIG. 13 is an explanatory view showing a prism according to Embodiment 2; FIG. 13 (a) is a partial side view, and FIG. 13 (b) is FIG.
It is sectional drawing of q part of 3 (a).

【図14】従来技術に係るダイアフラム補強型の柱梁接
合部の図であり、図14(a)は側面図、図14(b)
は平面図である。
14A and 14B are diagrams of a diaphragm-reinforcement type beam-column joint according to the related art, where FIG. 14A is a side view and FIG.
Is a plan view.

【符号の説明】[Explanation of symbols]

20…角形柱 21…増厚補強型の柱梁接合部 22…柱素管部 2A…ダイアフラム補強型の柱梁接合部 H…梁せい B…柱幅 t,ti…柱板厚さ B/t,B/ti…幅厚比 jL…増厚部の範囲 Reference Signs List 20: square column 21: thickened reinforcing column-beam joint 22: column base tube 2A: diaphragm-reinforced column-beam joint H: beam B: column width t, ti: column thickness B / t , B / ti: width-to-thickness ratio jL: range of thickened portion

───────────────────────────────────────────────────── フロントページの続き (72)発明者 濱野 公男 東京都港区芝浦4−4−44 株式会社横河 ブリッジ内 (72)発明者 藤田 謙一 東京都港区芝浦4−4−44 株式会社横河 ブリッジ内 Fターム(参考) 2E125 AA04 AA14 AB01 AB16 AC15 AC16 AG03 AG31 AG34 AG56 BE10 CA90  ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kimio Hamano 4-4-44 Shibaura, Minato-ku, Tokyo Inside Yokogawa Bridge (72) Inventor Kenichi Fujita 4-4-44 Shibaura, Minato-ku, Tokyo Yoko Co., Ltd. River bridge F term (reference) 2E125 AA04 AA14 AB01 AB16 AC15 AC16 AG03 AG31 AG34 AG56 BE10 CA90

Claims (10)

【特許請求の範囲】[Claims] 【請求項1】構造形式を純ラーメン構造とし、平面形式
を整形とした構造体の角形柱において、ダイアフラムで
補強した柱梁接合部の幅厚比と、増厚補強した柱梁接合
部の幅厚比とを座標軸とした座標に、 前記ダイアフラムで補強した複数の既設計値の柱梁接合
部の幅厚比と、降伏線理論により前記複数の既設計値か
ら相関させて梁先行降伏となるように柱板厚さを算出し
た増厚補強型の柱梁接合部の幅厚比とをプロットさせる
とともに、 前記座標に、前記柱梁接合部の柱板厚さを増厚する時の
増厚限界線を描き、該増厚限界線と縦座標軸とにより規
制される第1ゾーンと、前記増幅限界線と横座標軸とに
より規制される第2ゾーンとに、それぞれ異なる梁接合
の構造形式を適合させて、ゾーンごとの柱梁接合部を構
成させるようにしたことを特徴とする増厚補強型の柱梁
接合部。
1. A width-to-thickness ratio of a beam-to-column joint reinforced by a diaphragm and a width of a beam-to-column joint reinforced by thickening in a rectangular column of a structure having a pure ramen structure and a planar shape. The thickness ratio is used as the coordinate axis, the width-to-thickness ratio of the plurality of pre-designed column-beam joints reinforced with the diaphragm, and the beam pre-yield is correlated from the plurality of pre-designed values by yield line theory. In addition to plotting the thickness of the column-beam joint of the thickened reinforcement type that calculated the column-plate thickness as described above, the coordinate thickness was increased when the column-plate thickness of the column-beam joint was increased. Draw a limit line, and adapt a different beam joint structure type to a first zone regulated by the thickening limit line and the ordinate axis and a second zone regulated by the amplification limit line and the abscissa axis. To form a beam-column joint for each zone. Column Joints of increasing thickness reinforced, wherein.
【請求項2】前記柱梁接合部の増厚限界を、前記角形柱
柱板厚さの2倍として増厚限界線を描くとともに、 前記第1ゾーンの梁接合の構造形式は、前記柱梁接合部
に梁を直接接合させる直結接合構造形式とし、第2ゾー
ンでは、前記柱梁接合部の梁に水平ハンチを設けた水平
ハンチ梁接合構造形式としたことを特徴とする請求項1
に記載の増厚補強型の柱梁接合部。
2. A thickening limit line is drawn by setting the thickness increase limit of the beam-column joint to twice the thickness of the rectangular column-column plate, and the structural form of the beam joint in the first zone is the column-beam shape. 2. A horizontal haunched beam joining structure in which a beam is directly joined to the joining portion in a direct connection joining structure, and a second zone has a horizontal haunch beam joining structure in which a horizontal haunch is provided in a beam of the column-beam joining portion.
4. A beam-to-column joint of thickening reinforcement type according to item 1.
【請求項3】前記増厚補強型の柱梁接合部の増厚部範囲
は、梁の上下梁フランジからの両増厚延長部として0.
2倍した柱幅を、梁せいの上下に加算させたことを特徴
とする請求項1または2に記載の増厚補強型の柱梁接合
部。
3. The thickened area of the thickened reinforcement type beam-column joint is defined as a thickened extension extending from both the upper and lower beam flanges of the beam.
The thickened reinforcing column-beam joint according to claim 1 or 2, wherein the doubled column width is added above and below the beam.
【請求項4】柱梁接合部と柱素管部とを溶接し角形柱を
形成させる柱梁接合部用組付コラムと、柱素管部用組付
コラムとを上下方向に当接させる溶接部において、 それぞれの当接する溶接面の目違い寸法が10mm以下
であるようにしたことを特徴とする増厚補強型の柱梁接
合部を有する角形柱。
4. A welding method in which a column-beam joint assembly column for welding a beam-column joint and a column tube to form a square column and a column-tube assembly column in vertical contact. A prismatic column having a thickened reinforcing column-beam joint, wherein a staggered dimension of each contacting welding surface is 10 mm or less.
【請求項5】前記柱梁接合部と前記柱素管部とを溶接し
前記角形柱を形成させる、柱梁接合部用冷間コラムと柱
素管部用冷間コラムとを上下方向に当接させる溶接部に
おいて、それぞれの当接する溶接面の角部Rの目違い寸
法が10mm以下であるようにしたことを特徴とする請
求項4に記載の増厚補強型の柱梁接合部を有する角形
柱。
5. A cold column for a beam-column joint and a cold column for a column-body joint, which weld the column-beam joint and the column tube to form the rectangular column. The thickened reinforcement type beam-to-column joint according to claim 4, wherein a staggered dimension of a corner portion R of each contacting welding surface is set to 10 mm or less in a welded portion to be brought into contact. Square pillar.
【請求項6】前記柱梁接合部用冷間コラムの板厚を2
2,25,28,32,36,40mmとして角部Rを
形成させるとともに、これら冷間コラムに当接させる前
記柱素管部用冷間コラムの板厚を、それぞれこの順番に
19,19〜22,22〜25,28,32,36mm
としたことを特徴とする請求項5に記載の増厚補強型の
柱梁接合部を有する角形柱。
6. The cold column for a beam-to-column joint has a thickness of 2
The corners R are formed as 2, 25, 28, 32, 36, and 40 mm, and the plate thicknesses of the cold columns for the column tube section to be brought into contact with these cold columns are 19, 19 to 19 in this order, respectively. 22,22-25,28,32,36mm
The rectangular column having a thickened reinforcing column-beam joint according to claim 5.
【請求項7】前記柱梁接合部と前記柱素管部とを溶接し
前記角形柱を形成させる、柱梁接合部用熱間コラムと前
記柱素管部用冷間コラムとを上下方向に当接させる溶接
部において、 それぞれの当接する溶接面の角部Rの目違い寸法が10
mm以下であるようにしたことを特徴とする請求項4に
記載の増厚補強型の柱梁接合部を有する角形柱。
7. The column-beam joint hot column and the column-body tube cold column are welded to each other to form the prismatic column by welding the column-column joint and the column-base tube. In the welded portion to be abutted, the misalignment dimension of the corner R of the welding surface to be abutted is 10
The prismatic column having the thickened reinforcing column-beam joint according to claim 4, wherein the rectangular column is not more than mm.
【請求項8】前記柱梁接合部用熱間コラムの板厚を2
2,25,28,32,36,40,50,60mmと
して角部Rを形成させるとともに、これら熱間コラムに
当接させる前記柱素管部用冷間コラムの板厚を、それぞ
れこの順番に19,19,19〜22,19〜25,1
9〜28,19〜28,22〜36,28〜40mmと
したことを特徴とする請求項7に記載の増厚補強型の柱
梁接合部を有する角形柱。
8. The thickness of the hot column for beam-column joint is 2
The corners R are formed as 2, 25, 28, 32, 36, 40, 50, and 60 mm, and the plate thicknesses of the column base tube cold columns to be brought into contact with the hot columns are set in this order. 19,19,19-22,19-25,1
The rectangular column having a thickened reinforcing column-beam joint according to claim 7, wherein the rectangular column has a thickness of 9 to 28, 19 to 28, 22 to 36, 28 to 40 mm.
【請求項9】前記柱梁接合部と前記柱素管部とを溶接し
前記角形柱を形成させる、ほぼ断面方形の筒状に鋼板を
組み付けた柱梁接合部用組付コラムと前記柱素管部用冷
間コラムとを上下方向に当接させる溶接部において、 外法を面一とした状態で、角部の外角、内角及び内面側
の各間の目違い寸法が10mm以下となるように複数の
テーパ加工部を設けたことを特徴とする請求項4に記載
の増厚補強型の柱梁接合部を有する角形柱。
9. An assembling column for a beam-to-column joint in which a steel plate is assembled into a tube having a substantially rectangular cross section, wherein said column-beam joint is welded to said column base tube to form said prismatic column. In the welded portion where the cold column for the pipe section is abutted in the vertical direction, the difference between the outer angle, the inner angle, and the inner surface side of the corner is 10 mm or less, with the outer surface being flush with each other. 5. The prismatic column having a thickened reinforcing column-beam joint according to claim 4, wherein a plurality of tapered portions are provided in the column.
【請求項10】前記柱梁接合部と前記柱素管部とを溶接
し前記角形柱を形成させる、ほぼ断面方形の筒状に鋼板
を組み付けた柱梁接合部用組付コラムと柱素管部用組付
コラムとを上下方向に当接させる溶接部において、 外法を面一とした状態で、内面側の目違い寸法が10m
m以下になるように処理するテーパ加工部を形成させた
ことを特徴とする請求項4に記載の増厚補強型の柱梁接
合部を有する角形柱。
10. An assembling column and column tube for joining a column and beam, wherein the column and beam joint are welded to the column base tube to form the square column, and a steel plate is assembled into a tube having a substantially rectangular cross section. At the weld where the assembly column is abutted in the vertical direction, the misalignment dimension on the inner surface side is 10m with the outer method being flush.
5. The rectangular column having a thickened reinforcing column-beam joint according to claim 4, wherein a tapered portion processed so as to have a width of m or less is formed. 6.
JP2000224945A 2000-07-26 2000-07-26 Increased thickness reinforcement type column-beam joint portion and square type column having the same Pending JP2002038586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000224945A JP2002038586A (en) 2000-07-26 2000-07-26 Increased thickness reinforcement type column-beam joint portion and square type column having the same

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Publication Number Publication Date
JP2002038586A true JP2002038586A (en) 2002-02-06

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Country Link
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003278273A (en) * 2002-03-27 2003-10-02 Shimizu Corp Connection-section structure of steel structure
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Publication number Priority date Publication date Assignee Title
JP2003278273A (en) * 2002-03-27 2003-10-02 Shimizu Corp Connection-section structure of steel structure
WO2005052455A1 (en) * 2003-11-30 2005-06-09 Toshiba Carrier Corporation Ceiling suspension type air conditioner
JP2010216138A (en) * 2009-03-17 2010-09-30 Nakajima Steel Pipe Co Ltd Method for designing non-diaphragm building construction
JP2010216137A (en) * 2009-03-17 2010-09-30 Nakajima Steel Pipe Co Ltd Method for designing non-diaphragm building construction
JP2010224702A (en) * 2009-03-23 2010-10-07 Nakajima Steel Pipe Co Ltd Method for designing non diaphragm construction
WO2017177470A1 (en) * 2016-04-11 2017-10-19 牟犇 Assembly type steel pipe casing reinforced concrete combined joint and mounting method
JP2019060192A (en) * 2017-09-28 2019-04-18 大和ハウス工業株式会社 Steel column core and beam-column joint structure
JP7009141B2 (en) 2017-09-28 2022-01-25 大和ハウス工業株式会社 Column-beam joint structure
KR102001041B1 (en) * 2019-03-06 2019-10-01 주식회사 아이에스중공업 Joint structure between the cft square column and the steel girder
KR20200144774A (en) * 2019-06-19 2020-12-30 (주)이지파트너 Method For Manufacturing CFT Column Structure Easily Coping With The Beam Joint Thickness According To Beam Size
KR102235817B1 (en) * 2019-06-19 2021-04-05 (주)이지파트너 Method For Manufacturing CFT Column Structure Easily Coping With The Beam Joint Thickness According To Beam Size
JP7116269B1 (en) * 2022-03-15 2022-08-09 日鉄建材株式会社 Non-diaphragm brace structure

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