DE622855C - Process for the production of corner stiffening parts of iron constructions that are welded together at an angle - Google Patents

Process for the production of corner stiffening parts of iron constructions that are welded together at an angle

Info

Publication number
DE622855C
DE622855C DEK127745D DEK0127745D DE622855C DE 622855 C DE622855 C DE 622855C DE K127745 D DEK127745 D DE K127745D DE K0127745 D DEK0127745 D DE K0127745D DE 622855 C DE622855 C DE 622855C
Authority
DE
Germany
Prior art keywords
production
welded together
angle
welded
iron
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
Application number
DEK127745D
Other languages
German (de)
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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke AG
Publication date
Priority to DEK127745D priority Critical patent/DE622855C/en
Application granted granted Critical
Publication of DE622855C publication Critical patent/DE622855C/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • E04B1/5806Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
    • E04B1/5812Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452H- or I-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Description

Verfahren zur Herstellung von Eckaussteifungen winklig gegeneinander stoßender, miteinander verschweißter Teile von Eisenkonstruktionen Winklig aufeinander stoßende Bleche, beispielsweise von Blechträgern oder Kastenträgern, sowie winklig gegeneinander stoßende Bauprofile, Doppel-T-Träger und ähnliche Konstruktionsteile werden heute allgemein durch unterbrochene oder durchlaufende Kehlnähte miteinander verbunden. Es ist bekannt, diese Schweißverbindungen durch Anschweißen, von Blechen in den von den Konstruktionsteilen gebildeten Ecken zu verstärken. Bei der Beanspruchung dieser Verstärkungsbleche können die in den Schweißnähten auftretenden Spannungen solche hohen Werte annehmen, daß die Verbindung einreißen kann, da durch die infolge des Schweißvorganges unvermeidlichen Schrumpfspannungen dieVerbindungsnähte vorbelastet werden.Process for the production of corner reinforcements at an angle to each other butting, welded parts of iron structures at an angle butting metal sheets, for example sheet metal girders or box girders, as well as angled construction profiles butting against each other, double T-beams and similar construction parts are now generally made up of interrupted or continuous fillet welds tied together. It is known that these welded connections are made by welding metal sheets to reinforce in the corners formed by the structural parts. With the use These reinforcement plates can reduce the stresses occurring in the weld seams Assume such high values that the connection can tear, as a result of the shrinkage stresses that are unavoidable during the welding process will.

Erfindungsgemäß wird jedes die geschweißte Stoßverbindungsstelle der Eisenkonstruktionsteile überbrückende bzw. verstärkende Blech vor dem Anschluß mittels der Schweißnähte so vorgebogen, daß das gebogene Verstärkungsblech den beim Schweißen auftretenden Schrumpf- bzw. Zugspannungen nachgeben und sich hierbei wieder geraderichten kann. Hier-. durch wird eine nahezu spannungsfreie, die geschweißte Stoßverbindung der Eisenkonstruktionsteile verstärkende Eckaussteifung erzielt.According to the invention, each of the welded butt joint of Iron construction parts bridging or reinforcing sheet metal prior to connection by means of of the weld seams pre-bent so that the bent reinforcement sheet breaks down during welding Give in to any shrinkage or tensile stresses that occur and straighten yourself again in the process can. Here-. this creates an almost tension-free, welded butt joint of the iron construction parts, reinforcing corner stiffening is achieved.

Der Arbeitsvorgang bei diesem Verfahren ist folgender Das die geschweißte Stoßverbindungsstelle der Trägerbleche h, i überbrückende Verstärkungsblech a wird zunächst vorgebogen (Abb. i), und dann werden seine einander gegenüberliegenden Längskanten durch Schweißnähte b, c angeschweißt. Nachdem Erkalten dieser Schweißnähte kann man die Enden d und e des Bleches a mit -einem Hammer oder auf geeignete andere Weise bis an die Wandungen derTrägerblecheh, i ' heranbiegen und dann mit diesen verschweißen.The working process in this process is as follows: The reinforcement sheet a bridging the welded butt joint of the carrier sheets h, i is first pre-bent (Fig. I), and then its opposite longitudinal edges are welded on by welds b, c. After these weld seams have cooled down, the ends d and e of the sheet a can be bent up to the walls of the carrier sheets h, i 'with a hammer or in another suitable manner and then welded to them.

Bei Herstellung von Knotenpunkten von Doppel-T-Trägern oder ähnlichen Profilstäben geht man so vor, daß man in an sich bekannter Weise die Träger verschweißt und hierauf vorgebogene entsprechend bemessene Verstärkungsbleche a in die Träger so einlegt, daß sie mit den Kanten die Flanschen und Stege der beiden Träger berühren. Dann werden die einander gegenüberliegenden Längskanten der Bleche a durch Schweißnähte b, c an die Stege der Träger angeschlossen. Das entsprechend vorgekrümmte Blech a wird sich hinterher infolge der beim Anschweißen auftretenden Schrumpfspannungen wieder geraderichten (Abb. 2) ; die Schweißverbindung bleibt nahezu spannungsfrei. Die Bleche a können auch nachträglich durch Schweißnähte g mit den Flanschen der Träger verbunden werden, so daß ein allseitig geschlossener Hohlraum gebildet wird, wie Abb. 2 zeigt.When making junctions of double T-beams or similar Profiled bars are done in such a way that the carrier is welded in a manner known per se and then pre-bent correspondingly dimensioned reinforcement plates a in the girders insert so that their edges touch the flanges and webs of the two beams. Then the mutually opposite longitudinal edges of the sheets a are welded b, c connected to the webs of the carrier. The corresponding pre-curved sheet metal a will afterwards as a result of the shrinkage stresses occurring during welding straighten again (Fig. 2); the welded connection remains almost stress-free. The sheets a can also be retrofitted by welding seams g with the flanges of the Beams are connected so that a cavity that is closed on all sides is formed, as Fig. 2 shows.

Claims (1)

PATENTANSPRÜCFi: Verfahren zur Herstellung von Eckaussteifungen winklig gegeneinander stoßender, miteinander verschweißter Teile von Eisenkonstruktionen mittels Verstärkungsbleche, die durch Schweißnähte angeschlossen werden, dadurch gekennzeichnet, daß jedes die geschweißte Stoßverbindungsstelle der Eisenkonstruktionsteile überbrückende bzw. verstärkende Blech (a) vor dem Anschluß mittels der Schweißnähte (b, c) so vorgebogen wird, daß das gebogene Verstärkungsblech sich infolge der beim Anschweißen auftretenden Schrumpf- bzw. Zugspannungen wieder geraderichtet. ,PATENT APPLICATION: Process for the production of corner reinforcements angled butting against each other, welded together parts of iron structures by means of reinforcement plates, which are connected by welding seams, thereby characterized in that each is the welded butt joint of the iron structural parts Bridging or reinforcing sheet metal (a) before the connection by means of the weld seams (b, c) is pre-bent in such a way that the bent reinforcement plate is due to the Welding shrinkage or tensile stresses straightened again. ,
DEK127745D Process for the production of corner stiffening parts of iron constructions that are welded together at an angle Expired DE622855C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK127745D DE622855C (en) Process for the production of corner stiffening parts of iron constructions that are welded together at an angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK127745D DE622855C (en) Process for the production of corner stiffening parts of iron constructions that are welded together at an angle

Publications (1)

Publication Number Publication Date
DE622855C true DE622855C (en) 1935-12-07

Family

ID=7246448

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK127745D Expired DE622855C (en) Process for the production of corner stiffening parts of iron constructions that are welded together at an angle

Country Status (1)

Country Link
DE (1) DE622855C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068964A (en) * 1977-02-09 1978-01-17 Stoker Robert J End plate connection unit for beams
US4697315A (en) * 1985-01-02 1987-10-06 Do-All Jewelry Mfg. Co., Inc. Reinforced jewelry clasp
US4833761A (en) * 1985-01-02 1989-05-30 Do-All Jewelry M'f'g. Co., Inc. Reinforced jewelry clasp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068964A (en) * 1977-02-09 1978-01-17 Stoker Robert J End plate connection unit for beams
US4697315A (en) * 1985-01-02 1987-10-06 Do-All Jewelry Mfg. Co., Inc. Reinforced jewelry clasp
US4833761A (en) * 1985-01-02 1989-05-30 Do-All Jewelry M'f'g. Co., Inc. Reinforced jewelry clasp

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