EP1740781B1 - Preparation de soudures aux extremites de poutres - Google Patents

Preparation de soudures aux extremites de poutres Download PDF

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Publication number
EP1740781B1
EP1740781B1 EP04750844.5A EP04750844A EP1740781B1 EP 1740781 B1 EP1740781 B1 EP 1740781B1 EP 04750844 A EP04750844 A EP 04750844A EP 1740781 B1 EP1740781 B1 EP 1740781B1
Authority
EP
European Patent Office
Prior art keywords
end component
weld
trough
attaching
flanges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04750844.5A
Other languages
German (de)
English (en)
Other versions
EP1740781A4 (fr
EP1740781A2 (fr
Inventor
Robert J Simmons
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.)
Conxtech Inc
Original Assignee
Conxtech Inc
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 Conxtech Inc filed Critical Conxtech Inc
Priority to EP13199476.6A priority Critical patent/EP2767642B1/fr
Publication of EP1740781A2 publication Critical patent/EP1740781A2/fr
Publication of EP1740781A4 publication Critical patent/EP1740781A4/fr
Application granted granted Critical
Publication of EP1740781B1 publication Critical patent/EP1740781B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2415—Brackets, gussets, joining plates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2442—Connections with built-in weakness points
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2454—Connections between open and closed section profiles

Definitions

  • This invention pertains to structural weld preparation in the context of a connective interface between the end of an I-beam, and a beam-attaching end component that is used to connect the beam to a column in a building frame structure.
  • run-on and run-off tabs are usually added to extend the trough ends to insure a full weld section over the full width of a flange.
  • back-up bars are added to assist in the achieving of a full-section weld, and to prevent molten weld material from flowing through the joint region at the end of a beam.
  • Patent document US3,938,297 describes fittings for connecting columns and beams of a steel frame construction.
  • the fittings have an upper flange fitting and a lower flange fitting.
  • the upper flange fitting has a rectangular base plate, for bolting to a web of the column, and protrusions which extend from the base place, for welding to an upper flange and a web of the beam.
  • the lower flange fitting has a substantially rectangular base plate, for bolting to the web of the column, and a horizontal plate projecting from the base plate, for bolting to a lower flange of the beam.
  • the present invention addresses these issues in a simple, effective and practical manner.
  • a method of welding an end of an elongate structural I beam to a beam-attaching facial side (18d) in an initially separate beam-attaching end component comprising preparing the subject beam end by assuring that the two flanges in the beam terminate at the associated end of the beam with generally oveall planar expanses which lie in a common plane which is disposed generally normal to the beam's long axis ; preparing the end component's beam attaching facial side (18d) with a first elongate trough, characterised in that:
  • a preferred and best-mode embodiment of, and manner of practicing, the invention involve the creation of elongate, weld-material-receiving troughs in beam-attaching end components to which beam ends are to be welded, rather than in beam-end flanges per se.
  • These troughs are positioned so as to confront directly, and to align with, an I-beam's flanges, and the troughs are prepared with lengths which include opposite end regions that extend laterally beyond the lateral edges of the beam's flanges. These end regions function as run-on and run-off regions for molten weld material, and do so in a manner which obviates the need for any added run-out, etc. tabs.
  • the mentioned trough end regions are formed in such a fashion that they form walled, containment pockets for molten weld material.
  • a portion of a plural-story building frame including upright hollow, square cross section columns, one of which is shown fragmentarily at 12, horizontal interconnecting I-beams, four of which are shown fragmentarily at 13, 14, 15, 16, and sets of inner and outer, moment and gravity load-transmitting, collar structures, such as those illustrated at 18, that function to form nodal connections between columns and beams.
  • the long axis of column 12 is shown at 12 a .
  • the respective long axes of beams 13, 14, 15, 16 are shown at 13 a 14 a , 15 a , 16 a .
  • an inner collar such as inner collar 18 a is joined as by welding, in a circumsurrounding fashion, to the four outside faces of column 12, and seated thereon, through male-female, gravity-lock mating substructures (not specifically detailed herein) is an outer collar, such as outer collar 18 b , which is corner-clamped to and around the associated inner collar.
  • inner collar 18 a is joined as by welding, in a circumsurrounding fashion, to the four outside faces of column 12, and seated thereon, through male-female, gravity-lock mating substructures (not specifically detailed herein) is an outer collar, such as outer collar 18 b , which is corner-clamped to and around the associated inner collar.
  • outer collar 18 b or if a collar structure is not here employed, some other nodal connecting form using a generally planar beam-end end component, is made up of four generally planar components , such as component 18 c , which form, and are referred to herein as, beam-attaching end components that are welded to I-beam ends via weld preparations which are made in accordance with the invention.
  • These weld preparations which are filled with weld material (as illustrated in Figs. 2 and 3 ), are shown generally (and only schematically) as darkened features 19 in Figs. 2 and 3 .
  • each such component presents a generally planar beam-attaching facial side (or expanse), such as side 18 d , to an I-beam end, and that (b) this side is characterized with a beam-facing expanse which spans what is referred to herein as the end footprint of an I-beam which is to be welded to the component. (See beam footprint designated generally F in Fig. 3 ).
  • weld preparations (19) proposed by the present invention are now described with specific reference only to beam 13, and to the single end component 18 c which is so labeled in the drawing figures.
  • Very specifically one preferred and best-mode (embodiment) form of a weld preparation made in accordance with the invention is shown in these figures.
  • beam 13 and end component 18 c are shown in different orientations in Fig. 4 than they are in Figs. 1 and 2 .
  • Fig. 4-6 Focusing attention especially on Fig. 4-6 , inclusive, here two weld preparations (with welds) are shown at 19 between I-beam 13 and end component 18 c with its beam-attaching facial side, or expanse, 18 d .
  • the entire end surfaces, or expanses, of beam 13 are planar, and lie in a common plane 22 (see Figs. 5 and 6 ) which is substantially normal to the beam's long axis 13 a . No flange material is removed.
  • troughs 24, 26 Formed appropriately in end component 18 c to which the shown end of beam 13 is welded are upper and lower weld-material-receiving troughs 24, 26. These troughs, as can be seen, are disposed confrontingly adjacent the ends of the flanges in beam 13.
  • troughs 24, 26 each has a length L 2 (see particularly Fig.4 ), which is greater than the defined, common lateral dimensions L 3 (see also Fig. 4 ) of the beam flanges.
  • L 2 see particularly Fig.4
  • L 3 see also Fig. 4
  • regions function, in accordance with the invention, as run-on and run-out regions, or zones, or pockets, for receiving, along with the remainders of troughs 24, 26, molten weld material, such as that shown (now hardened) at 28.
  • end zones which, one will note, do not require the presence of any added run-on and run-off tabs, enable full-strength, full-flange-width welds to be created along the entire lateral dimensions of the beam's flanges.
  • regions 24 a , 24 b assures that any potential variables in weld integrity associated with starting or ending a weld procedure will exist beyond and outside of the critical zone immediately along the width of a flange. Additionally, these provided run-on and run-off trough regions do not require any post-welding treatment to eliminate potential stress-riser zones.
  • a more detailed expression of a selectable additional step involves creating the mentioned troughs to have lengths which are greater than the widths of the confronting beam's flanges, thus to provide run-on and run-off regions for molten weld material.
  • a beam end and an end component are oriented so as to take advantage of gravity in weld formation.
  • A is weld thus preferably first formed in a weld preparation along the length of one beam flange, and then the united beam and end component are rotated 180° about the beam's long axis to accommodate the making of a weld in the other weld preparation along the length of the other flange.
  • a beam-attaching end. component again identified with the reference designation 18 c , is prepared with a somewhat differently configured pair of upper and lower weld preparations with troughs, such as trough 30.
  • troughs such as trough 30.
  • the thus differentiated, alternative shape of each trough 30 is clearly illustrated in these two figures. Whereas previously described troughs 24, 26, at the locations of the end regions, such as end regions 24 a , 24 b , are effectively "open ended", this is not so for comparable regions 30 a , 30 b in trough 30.
  • Regions 30 a , 30 b are defined, at least in part, as walled cavities, or pockets, by two spaced walls (see walls 30 c , 30 d ) which exists in end component 18 c . These walls are spaced along a line, such as line 32, which is substantially normal to the nominal plane 18 e (see Fig. 8 ) of end component 18 c .
  • a short length L 1 (see Fig. 8 ) of the beam's central web 13 b is removed to provide a web recess 13 c .
  • This recess furnishes clearance for the beam's flanges to extend conveniently into the weld preparation troughs, and over shelves, such as shelf 30 e (see Fig. 8 ) in trough 30.
  • the end expanse of web 13 b is not coplanar with the end expanses of the two flanges.
  • Another form of the invention usesable with both modifications thereof as so far described, involves the creation of an elongate vertical channel in the face of a beam end component, extending between and opening at opposite ends to the two prepared weld-preparation troughs (upper and lower), and possessing a lateral width which will accommodate the free insertion of a beam's central web (like web 13 b ).
  • the entire end of a beam can lie in a common plane, and the flanges will extend over regions in the two troughs which are like just mentioned shelf 30 e .
  • weld preparation troughs are preformed, at each end, with spaced walls that define a walled cavity which accommodates start-up and run-out of molten weld material.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Claims (6)

  1. Procédé destiné à souder une extrémité d'une poutre structurelle allongée en "I" (13) à un côté facial de fixation de poutre (18d) dans un composant d'extrémité de fixation de poutre initialement séparé (18c) comportant les étapes consistant à :
    préparer l'extrémité de la poutre sujet (13) en s'assurant que les deux brides de la poutre se terminent à l'extrémité correspondante de la poutre par des étendues généralement planes se trouvant dans un plan sensiblement commun (22) disposé perpendiculairement à l'axe longitudinal de la poutre (13a) ;
    préparer le côté facial de fixation de poutre du composant d'extrémité (18d) avec une première gorge de soudure allongée (24),
    caractérisé en ce que :
    le composant d'extrémité de fixation de poutre (18c) est généralement plane et le côté facial de fixation de poutre (18d) est prévu, avec la poutre en I et le composant d'extrémité (18c) joints l'un à l'autre pour être disposés de manière à ce que le composant d'extrémité (18c) couvre la totalité de l'empreinte de la poutre (13), et où le procédé comprend de plus la préparation du côté facial de fixation de poutre du composant d'extrémité (18d) avec une deuxième gorge allongée (26), espacée de la première gorge allongée (24), où les gorges (24, 26) sont agencées de manière à faire sensiblement face directement aux étendues planes des brides dans ces circonstances avec la poutre (13) et le composant d'extrémité (18c) mis en des positions relatives appropriées pour la jonction, et avec ces positions relatives mises en place, la production de liaisons par soudage qui remplissent sensiblement les gorges (24, 26) avec du matériau de soudage, ce qui permet une jonction de soudage entre la poutre (13) et le composant (18c).
  2. Procédé conforme à la revendication 1, où les gorges préparées (24, 26) sont créées avec des longueurs qui amènent des régions d'extrémités opposées de chaque gorge (24, 26), les positions relatives mentionnées entre l'extrémité de la poutre (13) et le composant d'extrémité (18c) étant mises en place, à s'étendre latéralement au-delà de bords latéraux opposés des brides qui font face à la gorge (24, 26), ces régions formant des régions d'entrée et de sortie de la soudure, et où ladite production de liaisons par soudage comprend le remplissage par du matériau de soudage et l'utilisation de ces zones.
  3. Procédé conforme à la revendication 2, où la formation des zones d'entrée et de sortie dans chaque gorge (24, 26) est exécutée de manière à ce que les extrémités de chacune soient définies, au moins en partie, par des paires de parois allongées, espacées et opposées (30c, 30d) qui sont espacées le long d'une ligne disposée généralement perpendiculairement au plan du composant d'extrémité (18c).
  4. Interface de liaison par soudage (19) entre une extrémité d'une poutre structurelle allongée en I (13) disposant de brides espacées et d'une âme centrale interposée (13b) et un composant d'extrémité de fixation de poutre (18c), disposant d'une première gorge (24),
    caractérisée en ce que le composant d'extrémité de fixation de la poutre (18c) est généralement plane et comprend un côté facial de fixation de poutre (18d) de dimensions aptes à couvrir la totalité de l'empreinte de la poutre (13),
    l'extrémité de poutre sujet est au moins partiellement définie par des brides allongées sensiblement coplanaires dans l'ensemble présentant des extrémités disposées dans un plan sensiblement perpendiculaire à l'axe longitudinal de la poutre (13a), et
    l'interface comporte de plus une deuxième gorge (26) formée dans ledit composant d'extrémité (18c) et où les gorges (24, 26) font directement face auxdites extrémités desdites brides, et
    le matériau de soudage remplit sensiblement lesdites gorges (24, 26) et unit et joint structurellement ladite poutre (13) et ledit composant d'extrémité (18c)
  5. Interface conforme à la revendication 4, où chacune desdites brides présente des bords opposés espacés de dimension latérale définie entre lesdits bords, et où ladite gorge faisant face associée présente des régions terminales espacées (24a, 26a) qui s'étendent latéralement au-delà desdits bords.
  6. Interface conforme à la revendication 5, où chacune desdites régions terminales (24a, 26a) est définie, au moins en partie, par une paire de parois allongées, espacées et opposées (30c, 30d) qui sont espacées le long d'une ligne disposée généralement à angle droit par rapport au plan dudit composant d'extrémité (18c).
EP04750844.5A 2004-04-27 2004-04-27 Preparation de soudures aux extremites de poutres Expired - Lifetime EP1740781B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13199476.6A EP2767642B1 (fr) 2004-04-27 2004-04-27 Liaison nodale transmettandt des forces.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2004/013139 WO2005108692A2 (fr) 2004-04-27 2004-04-27 Preparation de soudures aux extremites de poutres

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP13199476.6A Division EP2767642B1 (fr) 2004-04-27 2004-04-27 Liaison nodale transmettandt des forces.
EP13199476.6A Division-Into EP2767642B1 (fr) 2004-04-27 2004-04-27 Liaison nodale transmettandt des forces.

Publications (3)

Publication Number Publication Date
EP1740781A2 EP1740781A2 (fr) 2007-01-10
EP1740781A4 EP1740781A4 (fr) 2011-04-06
EP1740781B1 true EP1740781B1 (fr) 2015-02-25

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Family Applications (2)

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EP13199476.6A Expired - Lifetime EP2767642B1 (fr) 2004-04-27 2004-04-27 Liaison nodale transmettandt des forces.
EP04750844.5A Expired - Lifetime EP1740781B1 (fr) 2004-04-27 2004-04-27 Preparation de soudures aux extremites de poutres

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13199476.6A Expired - Lifetime EP2767642B1 (fr) 2004-04-27 2004-04-27 Liaison nodale transmettandt des forces.

Country Status (10)

Country Link
EP (2) EP2767642B1 (fr)
JP (1) JP4427080B2 (fr)
CN (1) CN101018918B (fr)
AU (1) AU2004319371B2 (fr)
BR (1) BRPI0418781B1 (fr)
CA (2) CA2669774C (fr)
ES (2) ES2618053T3 (fr)
HK (2) HK1102268A1 (fr)
MX (1) MXPA06012393A (fr)
WO (1) WO2005108692A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101122158B (zh) * 2007-09-03 2011-06-29 江苏美凯龙钢业有限公司 板拼双腹偏心组合梁制造方法
CN103321303A (zh) * 2013-06-21 2013-09-25 重庆建工第七建筑工程有限责任公司 角钢柱梁连接器及建筑柱梁连接结构
CN103334499B (zh) * 2013-07-08 2016-01-27 山东中通钢构建筑股份有限公司 一种梁柱节点连接装置
US10119265B2 (en) 2015-11-05 2018-11-06 Carbon Development Services, LLC Building frame connector and method of use
WO2019157237A1 (fr) * 2018-02-09 2019-08-15 Conxtech, Inc. Systèmes de collier de connexion à moment complet
CN110565804B (zh) * 2019-09-12 2020-11-17 福建星鼎建设有限公司 一种利用c型钢的装配式建筑梁柱连接节点
CN110802339B (zh) * 2019-11-08 2021-11-09 中铁二局集团有限公司 一种米字形箱形钢结构节点的加工方法
CN113305507B (zh) * 2021-05-21 2022-05-20 浙江东南网架股份有限公司 带圆角焊接箱型的加工方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938297A (en) 1975-02-21 1976-02-17 Kajima Corporation Fittings for connecting columns and beams of steel frame construction
LU87320A1 (fr) * 1988-08-24 1990-03-13 Arbed Charpente metallique antisismique
US5595040A (en) * 1994-07-20 1997-01-21 National Science Council Beam-to-column connection
US6237303B1 (en) * 1995-04-11 2001-05-29 Seismic Structural Design Steel frame stress reduction connection
CN2382769Y (zh) * 1999-06-02 2000-06-14 王志林 一种钢结构房屋建筑构件
US6591573B2 (en) * 2001-07-12 2003-07-15 David L. Houghton Gusset plates connection of beam to column
US6837016B2 (en) * 2001-08-30 2005-01-04 Simmons Robert J Moment-resistant building frame structure componentry and method

Also Published As

Publication number Publication date
JP4427080B2 (ja) 2010-03-03
AU2004319371A1 (en) 2005-11-17
EP2767642B1 (fr) 2016-12-07
HK1201306A1 (en) 2015-08-28
EP1740781A4 (fr) 2011-04-06
ES2531593T3 (es) 2015-03-17
AU2004319371B2 (en) 2010-01-07
BRPI0418781B1 (pt) 2015-12-08
CA2564195C (fr) 2011-01-04
WO2005108692A3 (fr) 2007-05-03
WO2005108692A2 (fr) 2005-11-17
ES2618053T3 (es) 2017-06-20
JP2007534869A (ja) 2007-11-29
CA2669774A1 (fr) 2005-11-17
CA2669774C (fr) 2012-11-13
MXPA06012393A (es) 2007-03-26
EP1740781A2 (fr) 2007-01-10
CN101018918A (zh) 2007-08-15
CA2564195A1 (fr) 2005-11-17
HK1102268A1 (en) 2007-11-09
EP2767642A1 (fr) 2014-08-20
BRPI0418781A (pt) 2007-10-09
CN101018918B (zh) 2010-05-26

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