EP2685019B1 - Elément de liaison entre deux composants en béton - Google Patents

Elément de liaison entre deux composants en béton Download PDF

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Publication number
EP2685019B1
EP2685019B1 EP12005159.4A EP12005159A EP2685019B1 EP 2685019 B1 EP2685019 B1 EP 2685019B1 EP 12005159 A EP12005159 A EP 12005159A EP 2685019 B1 EP2685019 B1 EP 2685019B1
Authority
EP
European Patent Office
Prior art keywords
adapter
base plate
bolt
steel
concrete
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.)
Not-in-force
Application number
EP12005159.4A
Other languages
German (de)
English (en)
Other versions
EP2685019A1 (fr
Inventor
Gerhard Krummel
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP12005159.4A priority Critical patent/EP2685019B1/fr
Publication of EP2685019A1 publication Critical patent/EP2685019A1/fr
Application granted granted Critical
Publication of EP2685019B1 publication Critical patent/EP2685019B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • E04B1/215—Connections specially adapted therefor comprising metallic plates or parts

Definitions

  • the invention relates to a connecting element between two concrete components, for. B. between a concrete foundation and a support arranged on the foundation, wherein the connecting element comprises a base plate, wherein on the base plate cohesively at least one anchor rod is arranged.
  • a column shoe is used for example Connection of a concrete foundation with a support placed on the foundation.
  • the concrete support in this case has at its foot on a plurality of support shoes, the support shoes show on its side facing the concrete support several tie rods, which are connected to the reinforcement of the support, and may be several meters long.
  • Such a column shoe also has at least one bore for receiving a bolt arranged in the concrete foundation in order to connect the support with the concrete foundation through the column shoes.
  • the tie rods are connected to the base plate usually by a welded connection cohesively.
  • the base plate of a column shoe is several millimeters and in particular up to 20 millimeters thick, and it can therefore come at an increased heat input to strong deformation of the base plate, in which case after the welding of the anchor rods on the base plate , the base plate must be redone. That is, the connection of the anchor rod to the base plate with conventional welding, in particular manual welding or MAG welding is possible, but has the disadvantage, as already stated, that warped by the heat input, the base plate.
  • an upsetting anchor known with an upper shaft part made of black steel and a lower shaft part made of white steel, which are welded together.
  • the lower shaft part has a Foot, which is connectable by upsetting with the bore of an anchor rail.
  • stud welding is known as welding.
  • an arc is thus generated between the end face of a bolt and the component surface of a workpiece, for example between the bolt and the base plate.
  • the two parts are melted by, and can be combined under low joining force and connected together.
  • the advantage of bolt welding is that the heat input into the base plate is very low, and so far the delay is minimal.
  • the connection of the bolt with the base plate is also characterized by the full-surface connection by a high strength.
  • the production of bolt-welded workpieces is highly automated and further characterized by a very short welding time, which allows a high cycle rate.
  • connection between these two concrete components to be connected must be designed absolutely rust-free.
  • hitherto highly alloyed steels are used, in particular chromium-nickel steels.
  • the anchor rods can be several meters long, sometimes up to 3 meters and longer. Assuming that, for example, in a connection between a support and a foundation each requires at least four such support shoes, each of such support shoes has at least three anchor rods, which have such a length of up to 3 meters, it is easy to imagine the length of the anchor rods, if made of high alloy steel, make such a column shoe extremely expensive.
  • a base plate of a chromium-nickel steel thus of a so-called white steel with an anchor rod a black steel, so z. B. reinforcing steel to connect.
  • a connection can be provided only by a conventional weld, so z. B. by way of E-hand welding or MAG welding.
  • E-hand welding or MAG welding The disadvantages associated with such welding are evident;
  • due to the high heat input with a strong distortion of the base plate to be expected and it is also at least 10 to 15 minutes for the welding of an anchor rod to the base plate to estimate, as to avoid distortion of the base plate, are often paused during welding got to.
  • the object underlying the invention is now to provide a connecting element of the type mentioned comprising a base plate and at least one arranged on the base plate anchor rod, wherein the connecting element is produced quickly and inexpensively, and beyond the risk of rust formation in the region of the compound between anchor rod and base plate. In addition to be minimized in the cohesive connection between the base plate on the one hand and anchor rod on the other hand, the delay of the base plate.
  • the anchor rod comprises a bolt and an adapter, wherein the bolt formed of black steel is connected by a white steel adapter to the white steel base plate by stud welding.
  • the bolt of black steel z. B. a S235 or S395 connected to an adapter to form the anchor rod.
  • the adapter can be designed as a bolt with the same diameter as the bolt made of black steel.
  • the adapter is made of white steel, preferably of the same material as the base plate.
  • the adapter which is connected to the bolt cohesively, positively or non-positively, is then through the adapter with the base plate connected by stud welding.
  • connection between the bolt and the adapter is cohesive, positive or non-positive.
  • conventional welding methods can be used, in particular E-welding, friction welding or MAG welding.
  • a positive connection between the adapter on the one hand and the bolt made of black steel on the other hand can be done by a collar, wherein a non-positive connection can be designed as a screw, that is, for example, the adapter has an internal thread into which the bolt is screwed with an external thread. Then the bolt is welded to the base plate, in particular by Hubzündungs-stud welding.
  • the adapter has a certain length, wherein the length is such that the region of the transition from the adapter to the bolt extends a few centimeters into the concrete material. This is to prevent rusting due to moisture ingress.
  • the in Fig. 1 1 designated support shoe comprises the base plate 2, wherein on the base plate 2, a housing cover 3 is provided, which covers the bore 4 in the region of the housing cover during the production of the concrete support. In the area of the housing cover 3, three anchor rods 10 are provided, which are connected to the base plate by stud welding frontally.
  • the anchor rod 10 may according to the FIGS. 2a to 2c be educated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Foundations (AREA)

Claims (7)

  1. Élément de liaison entre deux pièces de construction en béton, par exemple entre une fondation en béton et un montant d'appui disposé sur ladite fondation, dans lequel l'élément de liaison comprend une plaque de base (2), dans lequel au moins une tige d'ancrage (10) est montée de façon ajustée sur la plaque de base (2),
    dans lequel la tige d'ancrage comporte un boulon (12) réalisé en acier noir et un adaptateur (11) et dans lequel le boulon (12) est couplé au moyen de l'adaptateur (11) avec la plaque de base par soudure,
    caractérisé en ce que,
    l'adaptateur (11) en acier blanc est couplé à la plaque de base (2) en acier blanc par une soudure du boulon.
  2. Élément de liaison selon la revendication 1,
    caractérisé en ce que,
    le boulon (12) est plus long que l'adaptateur (11).
  3. Élément de liaison selon l'une des revendications précédentes,
    caractérisé en ce que,
    le boulon (12) est couplé à l'adaptateur (11), par un couplage de matériaux, de forme ou par contrainte.
  4. Élément de liaison selon l'une des revendications précédentes,
    caractérisé en ce que,
    la longueur de l'adaptateur (11) est déterminée de telle manière que le passage entre l'adaptateur vers le boulon (12) soit entièrement recouvert par le béton de la pièce de construction en béton.
  5. Élément de liaison selon l'une des revendications précédentes,
    caractérisé en ce que,
    la plaque de base (2) est réalisée en un acier au CR-NI.
  6. Élément de liaison selon l'une des revendications précédentes,
    caractérisé en ce que,
    l'adaptateur (11) est réalisé en un acier au CR-NI.
  7. Élément de liaison selon l'une des revendications précédentes,
    caractérisé en ce que,
    le boulon (12) est réalisé en acier à béton, par exemple en un S235 ou un S295.
EP12005159.4A 2012-07-13 2012-07-13 Elément de liaison entre deux composants en béton Not-in-force EP2685019B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12005159.4A EP2685019B1 (fr) 2012-07-13 2012-07-13 Elément de liaison entre deux composants en béton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12005159.4A EP2685019B1 (fr) 2012-07-13 2012-07-13 Elément de liaison entre deux composants en béton

Publications (2)

Publication Number Publication Date
EP2685019A1 EP2685019A1 (fr) 2014-01-15
EP2685019B1 true EP2685019B1 (fr) 2015-07-15

Family

ID=46614275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12005159.4A Not-in-force EP2685019B1 (fr) 2012-07-13 2012-07-13 Elément de liaison entre deux composants en béton

Country Status (1)

Country Link
EP (1) EP2685019B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014006755U1 (de) 2014-08-22 2014-09-04 Köster & Co. GmbH Verbindungselement
CN110805303B (zh) * 2019-11-18 2021-04-30 葛全伟 一种能提高固锚承载力的植筋结构及该植筋结构的施工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739879A1 (de) * 1977-09-05 1979-03-15 Reinhold Michel Anker- und/oder verbindungsvorrichtung, insbesondere fuer betonteil o.dgl.
DE8906810U1 (fr) * 1989-05-31 1989-07-27 Deutsche Kahneisen Gesellschaft West Gmbh, 1000 Berlin, De
DE20002501U1 (de) * 1999-06-04 2000-12-07 Pfeifer Holding Gmbh & Co Kg Fertigteilstütze
JP2001073453A (ja) * 1999-09-06 2001-03-21 Okabe Co Ltd 建築工法
US8631616B2 (en) * 2009-01-20 2014-01-21 Skidmore Owings & Merrill Llp Precast wall panels and method of erecting a high-rise building using the panels

Also Published As

Publication number Publication date
EP2685019A1 (fr) 2014-01-15

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