EP0998613A1 - Dowel pin for web reinforcements - Google Patents

Dowel pin for web reinforcements

Info

Publication number
EP0998613A1
EP0998613A1 EP98948823A EP98948823A EP0998613A1 EP 0998613 A1 EP0998613 A1 EP 0998613A1 EP 98948823 A EP98948823 A EP 98948823A EP 98948823 A EP98948823 A EP 98948823A EP 0998613 A1 EP0998613 A1 EP 0998613A1
Authority
EP
European Patent Office
Prior art keywords
dowel
holding rail
head
dowels
connecting piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98948823A
Other languages
German (de)
French (fr)
Other versions
EP0998613B1 (en
Inventor
Peter Ernst
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.)
Deha Ankersysteme GmbH and Co KG
Original Assignee
Deha Ankersysteme GmbH and Co KG
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
Priority claimed from DE19734458A external-priority patent/DE19734458A1/en
Application filed by Deha Ankersysteme GmbH and Co KG filed Critical Deha Ankersysteme GmbH and Co KG
Publication of EP0998613A1 publication Critical patent/EP0998613A1/en
Application granted granted Critical
Publication of EP0998613B1 publication Critical patent/EP0998613B1/en
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
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0645—Shear reinforcements, e.g. shearheads for floor slabs

Definitions

  • the invention relates to a dowel bar for shear reinforcement for reinforced concrete slabs, with a plurality of dowels arranged in parallel and at a distance from one another, each having a e.g. have plate-shaped widened dowel head and are attached at one end to a common dowel holding rail by means of at least one connecting piece formed on the end face.
  • Shear reinforcements made of dowel bars serve in plates or beams made of reinforced concrete in the area of support points, in particular in the area of column connections, to absorb the transverse forces occurring there as a result of the column forces and thus form a punching shear reinforcement.
  • the object of the invention is therefore to design a dowel strip of the type mentioned at the outset in such a way that it is easier, more cost-effective and more reliable, i.e. can be produced without impairing the functions of the dowel holding rail and / or dowels, but that a subsequent change by loosening individual dowels is excluded.
  • This task is done with a dowel bar. of the type mentioned generally solved in that the end connector of the dowel head by a cold molding process is deformed into a positive connection engagement with the dowel holding rail.
  • the positively received connector in the opening of the dowel holding rail is a rivet molded on the end face of the dowel head, which projects through the opening of the dowel holding rail and is riveted.
  • the rivet pin can be molded on in a simple manner and with only a small additional manufacturing effort.
  • the dowel holding rail is preferably provided with an opening as a hole or punching only at those points at which a dowel is to be arranged according to the static specifications.
  • the connection takes place in a simple manner by riveting the rivet plug inserted through the opening. The positive connection produced in this way cannot be detached subsequently, so that individual dowels cannot be removed.
  • the dowel holding rail is inserted into an end transverse groove of the dowel head and that the two end faces delimiting the transverse groove The edges of the dowel head are caulked to the side of the dowel holding rail.
  • the object on which the invention is based can, according to a further embodiment, be achieved in a simple manner in a dowel strip of the type mentioned at the outset without a special connecting piece in that the dowel holding rail in any case has openings at the spacing provided for the dowels has and the dowels are connected to the end of the dowel by means of welding spots provided in the openings.
  • the molding of an end-face connector on the dowels is therefore unnecessary.
  • the type of spot welding proposed also does not lead to any disadvantageous deformation of the dowel holding rail and to no reduction in the load-bearing capacity of the connection, as is the case with the above-mentioned welding known per se.
  • Another advantage is that the welding spots provided in the openings do not apply compared to the thickness of the dowel holding rail.
  • weld spots fill the openings in the dowel holding rail completely or substantially completely at the sides in order to further improve the absorption of forces.
  • the dowel holding rail for securing against rotation can be received in a front transverse groove of the dowel head.
  • the dowel holding rail is made from flat steel.
  • FIG. 1 shows a section of a dowel bar in a side view according to a first embodiment of the invention
  • FIG. 2 is an enlarged partial view of a dowel and a portion of the dowel holding rail according to FIG. 1 before assembly,
  • FIG. 5 shows another embodiment of the dowel bar in a section corresponding to FIG. 3,
  • the dowel bar 1 shown in Fig. 1 is used to build a shear reinforcement consisting of several such dowel bars in a reinforced concrete slab or a similar reinforced concrete part.
  • the dowel bar 1 consists of a dowel holding rail 2 and a plurality of dowels 3 arranged thereon at a distance and parallel to each other.
  • Each dowel.3 has an elongated dowel shaft 4 which can be smooth or provided with ribs. At both ends of the dowel shaft 4 there is a dowel head 5 or 6 widened in the manner of a plate a flat or substantially flat end face 11 is molded or welded onto the dowel holding rail 2 for contact.
  • the dowel holding rail 2 is a sheet metal rail consisting of flat steel and abuts the end face of the dowel heads 5.
  • an opening 7 is drilled or punched out of the dowel holding rail 2 (FIG. 2).
  • a connector 8 protruding from the end face 11 and formed as a rivet pin 8 'is formed, which is inserted through the opening during the assembly of the dowel bar 1 and provided with a rivet head 9 by riveting (FIG. 3).
  • transverse groove 10 can be provided in the end face 11 of the dowel head 5 in the region of the rivet pin 8 formed on the end face in order to prevent the dowel holding rail 2 accommodated in the transverse groove 10 from rotating.
  • the dowel holding rail 2 made of flat steel is inserted into the front transverse groove 10 of the dowel head 5. Then the edges 10a of the transverse groove 10 are caulked inwards so that they hold the dowel holding rail 2 in a non-detachable manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Piles And Underground Anchors (AREA)
  • Bridges Or Land Bridges (AREA)
  • Closures For Containers (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Laminated Bodies (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Soil Working Implements (AREA)
  • Moulding By Coating Moulds (AREA)
  • Dowels (AREA)

Abstract

The invention relates to a dowel pin for web reinforcements for reinforced concrete slabs, with several dowels (3) arranged parallel with and at a distance from each other. Said dowels are fixed with a dowel head (5, 6) at one end to a single dowel anchor channel (2) with a positive fit or by spot welding.

Description

DÜBELLEISTE FÜR SCHUBBEWEHRUNGEN Dowel bar for shear reinforcement
Beschreibungdescription
Die Erfindung betrifft eine Dübelleiste für Schubbewehrungen für Stahlbetonplatten, mit mehreren, parallel und im Abstand zueinander angeordneten Dübeln, die an beiden Enden ihres Dübelschaftes jeweils einen z.B. tellerförmig verbreiterten Dübelkopf aufweisen und mit ihrem einen Ende an einer gemeinsamen Dübelhalteschiene mittels mindestens eines stirnseitig angeformten Verbindungsstücks befestigt sind.The invention relates to a dowel bar for shear reinforcement for reinforced concrete slabs, with a plurality of dowels arranged in parallel and at a distance from one another, each having a e.g. have plate-shaped widened dowel head and are attached at one end to a common dowel holding rail by means of at least one connecting piece formed on the end face.
Aus Dübelleisten aufgebaute Schubbewehrungen dienen in Platten oder Balken aus Stahlbeton im Bereich von Auflagerstellen, insbesondere im Bereich von Stützenanschlüssen, der Aufnahme der dort infolge der Stützenkräfte auftretenden Querkräfte und bilden somit eine Durchstanzbewehrung.Shear reinforcements made of dowel bars serve in plates or beams made of reinforced concrete in the area of support points, in particular in the area of column connections, to absorb the transverse forces occurring there as a result of the column forces and thus form a punching shear reinforcement.
Um die Herstellung der Dübelleisten zu vereinfachen, ist es bekannt (EP 0 744 508 AI), die Dübel an der Dübelhalteschiene lösbar zu befestigen, beispielsweise anzuschrauben. Damit keine Schraube und kein Werkzeug für die Befestigung des Dübels der Dübelhalteschiene erforderlich ist, wird dort als weitere Variante vorgeschlagen, an der Stirnseite des Dübels ein T-Stück anzuformen, das durch eine Öffnung der Dübelhalteschiene gesteckt und verdreht wird, so daß seine seitlichen Arme die Dübelhalteschiene hintergreifen.In order to simplify the manufacture of the dowel strips, it is known (EP 0 744 508 AI) to releasably attach the dowels to the dowel holding rail, for example by screwing them on. So that no screw and no tools are required for fastening the dowel of the dowel holding rail, it is proposed as a further variant there to form a T-piece on the end face of the dowel, which is inserted and twisted through an opening in the dowel holding rail so that its lateral arms reach behind the dowel holding rail.
Diese formschlüssige Verbindung zwischen dem Dübel und der Dübelhalteschiene ist zwar einfach, z.B. auf einer Baustelle, auszuführen, sie kann jedoch ebenso einfach wieder gelöst werden bzw. sich einfach lösen. Dadurch besteht die Gefahr, daß einzelne oder mehrere Dübel auf der Baustelle von der Dübelhalteschiene absichtlich entfernt werden oder sich unbemerkt bzw. ungewollt lösen und abfallen. Die Schubbewehrung entspricht dann nicht mehr der für die statische Berechnung zugrundegelegten Ausführung. Eine solche Abweichung von der vorgegebenen Ausführung kann nach dem Betonieren der Stahlbetonplatte nicht mehr festgestellt werden. Um dieses Risiko einer unzureichenden Bewehrung auszuschließen, ist es daher erforderlich, den Einbau der Schubbewehrung bis zum Betoniervorgang so zu überwachen, daß sichergestellt ist, daß keine Dübel von der Dübelhalteschiene gelöst und entfernt werden .This positive connection between the dowel and the dowel holding rail is simple, for example on a construction site, to carry out, however, it can also be easily solved again or simply solved As a result, there is a risk that individual or several dowels on the construction site will be deliberately removed from the dowel holding rail or loosen and fall off unnoticed or unintentionally. The shear reinforcement then no longer corresponds to the design used for the structural analysis. Such a deviation from the specified design can no longer be determined after concreting the reinforced concrete slab. To rule out this risk of inadequate reinforcement, it is therefore necessary to monitor the installation of the shear reinforcement until the concreting process so that it is ensured that no dowels are loosened and removed from the dowel holding rail.
Bei einer anderen bekannten Dübelleiste der eingangs genannten Gattung (EP 0 495 334 Bl) sind die Dübel an die Dübelhalteschiene angeschweißt. Die bei einer solchen Schweißverbindung erforderliche Erhitzung kann dazu führen, daß sich die Dübelhalteschiene verformt und deshalb nachträglich gerichtet werden muß. Durch den Schweißvorgang der bekannten Art können auch Materialveränderungen im Dübelkopf auftreten, die zu einer Verminderung der Belastbarkeit führen.In another known dowel bar of the type mentioned at the beginning (EP 0 495 334 B1), the dowels are welded to the dowel holding rail. The heating required with such a welded connection can lead to the dowel holding rail being deformed and therefore having to be straightened subsequently. The welding process of the known type can also result in material changes in the dowel head, which lead to a reduction in the load capacity.
Aufgabe der Erfindung ist es daher, eine Dübelleiste der eingangs genannten Gattung so auszubilden, daß sie einfacher kostengünstiger und zuverlässiger, d.h. ohne Beeinträchtigung der Funktionen von Dübelhalteschiene und/oder Dübel, hergestellt werden kann, daß aber eine nachträgliche Veränderung durch Lösen einzelner Dübel ausgeschlossen ist.The object of the invention is therefore to design a dowel strip of the type mentioned at the outset in such a way that it is easier, more cost-effective and more reliable, i.e. can be produced without impairing the functions of the dowel holding rail and / or dowels, but that a subsequent change by loosening individual dowels is excluded.
Diese Aufgabe wird bei einer Dübelleiste . der eingangs genannten Art allgemein dadurch gelöst, daß das stirnseitige Verbindungsstück des Dübelkopfes durch einen Kaltformvorgang zu einem formschlüssigen Verbindungseingriff mit der Dübelhalteschiene verformt ist.This task is done with a dowel bar. of the type mentioned generally solved in that the end connector of the dowel head by a cold molding process is deformed into a positive connection engagement with the dowel holding rail.
Die gestellte Aufgabe wird bei einer ersten besonderen Ausführung der Erfindung dadurch gelöst, daß das formschlüssig in der Öffnung der Dübelhalteschiene aufgenommene Verbindungsstück ein stirnseitig am Dübelkopf angeformter Nietzapfen ist, der durch die Öffnung der Dübelhalteschiene ragt und vernietet ist.The object is achieved in a first particular embodiment of the invention in that the positively received connector in the opening of the dowel holding rail is a rivet molded on the end face of the dowel head, which projects through the opening of the dowel holding rail and is riveted.
Bei der Herstellung der Dübel kann der Nietzapfen in einfacher Weise und mit nur geringem zusätzlichem Fertigungsaufwand angeformt werden. Die Dübelhalteschiene wird vorzugsweise nur an denjenigen Stellen mit jeweils einer Öffnung als Bohrung oder Stanzung versehen, an denen nach den statischen Vorgaben ein Dübel angeordnet werden soll. Die Verbindung geschieht in einfacher Weise dadurch, daß der durch die Öffnung gesteckte Nietzapfen vernietet wird. Die so hergestellte formschlüssige Verbindung ist nachträglich nicht lösbar, so daß einzelne Dübel nicht entfernt werden können.In the manufacture of the dowels, the rivet pin can be molded on in a simple manner and with only a small additional manufacturing effort. The dowel holding rail is preferably provided with an opening as a hole or punching only at those points at which a dowel is to be arranged according to the static specifications. The connection takes place in a simple manner by riveting the rivet plug inserted through the opening. The positive connection produced in this way cannot be detached subsequently, so that individual dowels cannot be removed.
Anstelle oder zusätzlich zu der zuvor erwähnten formschlüssigen Aufnahme eines stirnseitig angeformten Verbindungsstücks in einer Öffnung der Dübelhalteschiene kann gemäß einer anderen besonderen Ausführung des grundsätzlichen Erfindungsgedankens auch vorgesehen sein, daß die Dübelhalteschiene in eine stirnseitige Quernut des Dübelkopfes eingelegt ist und daß die beiden die Quernut begrenzenden stirnseitigen Ränder des Dübelkopfes seitlich zur Dübelhalteschiene verstemmt sind.Instead of or in addition to the aforementioned positive reception of a connecting piece formed on the end face in an opening of the dowel holding rail, it can also be provided according to another special embodiment of the basic inventive concept that the dowel holding rail is inserted into an end transverse groove of the dowel head and that the two end faces delimiting the transverse groove The edges of the dowel head are caulked to the side of the dowel holding rail.
Die der Erfindung zugrundeliegende Aufgabe läßt sich gemäß einer weiteren Ausführung bei einer Dübelleiste der eingangs genannten Art jedoch ohne besonderes Verbindungsstück auf einfache Weise auch dadurch lösen, daß die Dübelhalteschiene jedenfalls in dem für die Dübel vorgesehenen Abstand Öffnungen aufweist und die Dübel stirnseitig durch in den Öffnungen vorgesehene Schweißpunkte mit der Dübelhalteschiene verbunden sind.The object on which the invention is based can, according to a further embodiment, be achieved in a simple manner in a dowel strip of the type mentioned at the outset without a special connecting piece in that the dowel holding rail in any case has openings at the spacing provided for the dowels has and the dowels are connected to the end of the dowel by means of welding spots provided in the openings.
Die Anformung eines stirnseitigen Verbindungsstücks an den Dübeln ist also dabei entbehrlich. Die Art der vorgeschlagenen Punktschweißung führt zudem zu keiner nachteiligen Verformung der Dübelhalteschiene und zu keiner Verminderung der Belastbarkeit der Verbindung, wie dies bei dem oben erwähnten an sich bekannte Anschweißen der Fall ist. Ein weiterer Vorteil ist, daß die in den Öffnungen vorgesehenen Schweißpunkte gegenüber der Stärke der Dübelhalteschiene nicht auftragen.The molding of an end-face connector on the dowels is therefore unnecessary. The type of spot welding proposed also does not lead to any disadvantageous deformation of the dowel holding rail and to no reduction in the load-bearing capacity of the connection, as is the case with the above-mentioned welding known per se. Another advantage is that the welding spots provided in the openings do not apply compared to the thickness of the dowel holding rail.
Von Vorteil ist es, wenn die Schweißpunkte die Öffnungen in der Dübelhalteschiene jedenfalls seitlich vollständig oder im wesentlichen vollständig ausfüllen, um die Aufnahme von Kräften weiter zu verbessern.It is advantageous if the weld spots fill the openings in the dowel holding rail completely or substantially completely at the sides in order to further improve the absorption of forces.
Bei dieser und den anderen Ausführungen kann die Dübelhalte- schiene zur Drehsicherung in einer stirnseitigen Quernut des Dübelkopftes aufgenommen sein.In this and the other versions, the dowel holding rail for securing against rotation can be received in a front transverse groove of the dowel head.
Besonders vorteilhaft ist es, wenn die Dübelhalteschiene aus Flachstahl ausgeführt ist.It is particularly advantageous if the dowel holding rail is made from flat steel.
Weitere Ziele, Merkmale, Vorteile und Anwendungsmöglichkeiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Zeichnung. Dabei bilden alle beschriebenen und/oder bildlich dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, auch unabhängig von ihrer Zusammenfassung in einzelnen Ansprüchen oder deren Rückbeziehung.. Es zeigen :Further objectives, features, advantages and possible uses of the invention result from the following description of exemplary embodiments with reference to the drawing. All of the described and / or illustrated features, alone or in any combination, form the subject matter of the invention, regardless of their combination in individual claims or their relationship. Show it :
Fig. 1 einen Abschnitt einer Dübelleiste in einer Seiten- ansieht gemäß einer ersten Ausführung der Erfindung,1 shows a section of a dowel bar in a side view according to a first embodiment of the invention,
Fig. 2 eine vergrößerte Teilansicht eines Dübels und eines Abschnitts der Dübelhalteschiene gemäß Fig. 1 vor dem Zusammenbau,2 is an enlarged partial view of a dowel and a portion of the dowel holding rail according to FIG. 1 before assembly,
Fig. 3 einen vergrößerten Schnitt längs der Linie Ili-Ili in Fig. 1,3 is an enlarged section along the line Ili-Ili in Fig. 1,
Fig. 4 in einem Schnitt entsprechend der Fig. 3 eine zweite Ausführungsform einer erfindungsgemäßen Dübelleiste,4 in a section corresponding to FIG. 3, a second embodiment of a dowel strip according to the invention,
Fig. 5 eine andere Ausführungsform der Dübelleiste in einem Schnitt entsprechend der Fig. 3,5 shows another embodiment of the dowel bar in a section corresponding to FIG. 3,
Fig. 6a bis 6c in Seitenansicht, stirnseitiger Ansicht und Draufsicht einen Abschnitt einer Dübelleiste gemäß einer noch weiteren Ausführung der Erfindung.6a to 6c in side view, end view and top view of a portion of a dowel bar according to yet another embodiment of the invention.
Die in Fig. 1 dargestellte Dübelleiste 1 dient zum Aufbau einer aus mehreren solchen Dübelleisten bestehenden Schubbewehrung in einer Stahlbetonplatte oder einem ähnlichen Stahlbetonteil. Die Dübelleiste 1 besteht aus einer Dübelhalteschiene 2 und mehreren daran im Abstand und parallel zueinander angeordneten Dübeln 3. Jeder Dübel.3 weist einen länglichen Dübelschaft 4 auf, der glatt oder mit Rippen versehen sein kann. An beiden Enden des Dübelschaftes 4 ist jeweils ein tellerförmig verbreiterter Dübelkopf 5 bzw. 6 mit einer ebenen oder im wesentlichen ebenen Stirnfläche 11 für die Anlage an der Dübelhalteschiene 2 angeformt oder angeschweißt.The dowel bar 1 shown in Fig. 1 is used to build a shear reinforcement consisting of several such dowel bars in a reinforced concrete slab or a similar reinforced concrete part. The dowel bar 1 consists of a dowel holding rail 2 and a plurality of dowels 3 arranged thereon at a distance and parallel to each other. Each dowel.3 has an elongated dowel shaft 4 which can be smooth or provided with ribs. At both ends of the dowel shaft 4 there is a dowel head 5 or 6 widened in the manner of a plate a flat or substantially flat end face 11 is molded or welded onto the dowel holding rail 2 for contact.
Jeweils der eine Dübelkopf 5 ist an der Dübelhalteschiene 2 formschlüssig befestigt. Die Dübelhalteschiene 2 ist eine aus Flachstahl bestehende Blechschiene, die an der Stirnseite der Dübelköpfe 5 anliegt.In each case one dowel head 5 is positively attached to the dowel holding rail 2. The dowel holding rail 2 is a sheet metal rail consisting of flat steel and abuts the end face of the dowel heads 5.
An den für die Anordnung eines Dübels 3 bestimmten Stellen ist aus der Dübelhalteschiene 2 jeweils eine Öffnung 7 gebohrt oder gestanzt (Fig. 2 ) . Am Dübelkopf 5 ist stirnseitig ein aus der Stirnfläche 11 herausragendes, als Nietzapfen 8' ausgebildetes Verbindungsstück 8 angeformt, welches bei der Montage der Dübelleiste 1 durch die Öffnung gesteckt und durch Vernieten mit einem Nietkopf 9 versehen wird (Fig. 3).At the points intended for the arrangement of a dowel 3, an opening 7 is drilled or punched out of the dowel holding rail 2 (FIG. 2). On the end of the dowel head 5, a connector 8 protruding from the end face 11 and formed as a rivet pin 8 'is formed, which is inserted through the opening during the assembly of the dowel bar 1 and provided with a rivet head 9 by riveting (FIG. 3).
In Fig. 4 ist gezeigt, daß im Bereich des stirnseitig angeformten Nietzapfens 8 eine Quernut 10 in der Stirnfläche 11 des Dübelkopfes 5 vorgesehen werden kann, um eine Verdrehsicherung der in der Quernut 10 aufgenommenen Dübelhalteschiene 2 zu bilden.4 shows that a transverse groove 10 can be provided in the end face 11 of the dowel head 5 in the region of the rivet pin 8 formed on the end face in order to prevent the dowel holding rail 2 accommodated in the transverse groove 10 from rotating.
Das Ausführungsbeispiel nach Fig. 5 unterscheidet sich von den vorher beschriebenen Ausführungsbeispielen im wesentlichen dadurch, daß auf einen Nietzapfen 8 und Öffnungen 7 verzichtet wird. Die aus Flachstahl bestehende Dübelhalteschiene 2 ist hierbei in die stirnseitige Quernut 10 des Dübelkopfes 5 eingelegt. Sodann sind die Ränder 10a der Quernut 10 so nach innen verstemmt, daß sie die Dübelhalteschiene 2 unlösbar festhalten.5 differs from the previously described exemplary embodiments essentially in that a rivet pin 8 and openings 7 are dispensed with. The dowel holding rail 2 made of flat steel is inserted into the front transverse groove 10 of the dowel head 5. Then the edges 10a of the transverse groove 10 are caulked inwards so that they hold the dowel holding rail 2 in a non-detachable manner.
Eine unlösbare Befestigung von in diesem Fall mit Rippen 13 am Dübelshaft 4 versehenen Dübeln 3 an der aus Flachstahl bestehenden Dübelhalteschiene 2 erfolgt bei dem Ausführungs- beispiel gemäß Fig. 6a bis 6c in der Weise, daß die Dübelhalteschiene 2 an den für die Anordnung eines Dübels 3 bestimmten Stellen eine Öffnung 7 aufweist und der Dübel 3 stirnseitig durch einen in der Öffnung 7 vorgesehenen Schweißpunkt 12 mit der Dübelhalteschiene 2 form- und kraftschlüssig verbunden ist. Der Durchmesser der Öffnungen 7, welche zu diesem Zweck vollständig von dem Schweißpunkt 12 ausgefüllt sind, ist etwas geringer als der des Dübelschafts 4. Auch bei dieser Ausführung kann zur Drehsicherung die Dübelhalteschine 2 in einer Quernut der Stirnfläche 11 des Dübelkopfes 5 aufgenommen sein. An inseparable attachment of dowels 3, which in this case are provided with ribs 13 on the dowel holding means 4, to the dowel holding rail 2 made of flat steel takes place in the embodiment 6a to 6c in such a way that the dowel holding rail 2 has an opening 7 at the points intended for the arrangement of a dowel 3 and the dowel 3 is formed on the end face by a weld spot 12 provided in the opening 7 with the dowel holding rail 2 is non-positively connected. The diameter of the openings 7, which are completely filled for this purpose by the welding point 12, is somewhat smaller than that of the dowel shaft 4. Also in this embodiment, the dowel holding machine 2 can be accommodated in a transverse groove in the end face 11 of the dowel head 5 to prevent rotation.

Claims

Patentansprüche claims
1. Dübelleiste für Schubbewehrungen für Stahlbetonplatten, mit mehreren, parallel und im Abstand zueinander angeordneten Dübeln (3), die an beiden Enden ihres Dübelschaftes (4) jeweils einen z.B. tellerförmig verbreiterten Dübelkopf (5,6) aufweisen und mit ihrem einen Ende an einer gemeinsamen Dübelhalteschiene (2) mittels mindestens eines stirnseitig angeformten Verbindungsstücks (8) befestigt sind, dadurch gekennzeichnet, daß das stirnseitige Verbindungsstück (8) des Dübelkopfes (5,6) durch einen Kaltformvorgang zu einem formschlüssigen Verbindungseingriff mit der Dübelhalteschiene (2) verformt ist.1. Dowel bar for shear reinforcement for reinforced concrete slabs, with several dowels (3) arranged in parallel and at a distance from each other, each with a e.g. at both ends of its dowel shaft (4) have plate-shaped widened dowel head (5,6) and are attached at one end to a common dowel holding rail (2) by means of at least one connecting piece (8) formed on the end face, characterized in that the end-side connecting piece (8) of the dowel head (5,6) is deformed by a cold forming process to form a positive connection engagement with the dowel holding rail (2).
2. Dübelleiste nach Anspruch 1, wobei das Verbindungsstück (8) formschlüssig in einer Öffnung (7) der Dübelhalteschiene (2) aufgenommen ist, dadurch gekennzeichnet, daß das Verbindungsstück (8) ein Nietzapfen (8') ist, der durch die Öffnung (7) der Dübelhalteschiene (2) ragt und vernietet ist.2. Dowel strip according to claim 1, wherein the connecting piece (8) is received in a form-fitting manner in an opening (7) of the dowel holding rail (2), characterized in that the connecting piece (8) is a rivet pin (8 ') which is through the opening ( 7) the dowel holding rail (2) protrudes and is riveted.
3. Dübelleiste nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Dübelhalteschiene (2) in eine stirnseitige Quernut (10) des Dübelkopfes (5) eingelegt und das Verbindungsstück (8) von den beiden Rändern (10a) der Quernut (10) gebildet ist, welche seitlich zur Dübelhalteschiene (2) verstemmt sind.3. Dowel strip according to claim 1 or 2, characterized in that the dowel holding rail (2) is inserted into an end transverse groove (10) of the dowel head (5) and the connecting piece (8) from the two edges (10a) of the transverse groove (10) is formed which is caulked to the side of the dowel holding rail (2).
4. Dübelleiste für Schubbewehrungen für Stahlbetonplatten, mit mehreren, parallel und im Abstand zueinander angeordneten Dübeln (3), die an beiden Enden ihres Dübelschaftes (4) jeweils einen z.B. tellerförmig verbreiterten Dübelkopf (5,6) aufweisen und mit ihrem einen Ende an einer gemeinsamen Dübelhalteschiene (2) mittels mindestens einer Schweißung befestigt sind, dadurch gekennzeichnet, daß die Dübelhalte- schiene (2) jedenfalls in dem für die Dübel (3) vorgesehenen Abstand Öffnungen (7) aufweist und die Dübel (3) stirnseitig durch in den Öffnungen (7) vorgesehene Schweißpunkte (12) mit der Dübelhalteschiene (2) verbunden sind.4. Dowel bar for shear reinforcement for reinforced concrete slabs, with several dowels (3) arranged in parallel and at a distance from each other, each with an anchor head (5,6) widened, for example, in the form of a plate, and with one end on one at both ends of its dowel shaft (4) common dowel holding rail (2) are fastened by means of at least one weld, characterized in that the dowel holding rail (2) in any case in that provided for the dowels (3) Has spacing openings (7) and the dowels (3) are connected to the dowel holding rail (2) on the end face by welding points (12) provided in the openings (7).
5. Dübelleiste nach Anspruch 4, dadurch gekennzeichnet, daß die Schweißpunkte (12) die Öffnungen (7) in der Dübelhalteschiene (2) vollständig oder im wesentlichen vollständig ausfüllen.5. Dowel strip according to claim 4, characterized in that the welding spots (12) completely or substantially completely fill the openings (7) in the dowel holding rail (2).
6. Dübelleiste nach einem der Ansprüche 1, 2, 4 oder 5, dadurch gekennzeichnet, daß die Dübelhalteschiene (2) in einer stirnseitigen Quernut (10) des Dübelkopfes (5) aufgenommen ist.6. Dowel strip according to one of claims 1, 2, 4 or 5, characterized in that the dowel holding rail (2) is received in an end transverse groove (10) of the dowel head (5).
7. Dübelleiste nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Dübelhalteschiene (2) aus Flachstahl besteht. 7. Dowel strip according to one of the preceding claims, characterized in that the dowel holding rail (2) consists of flat steel.
EP98948823A 1997-07-26 1998-07-15 Dowel pin for web reinforcements Expired - Lifetime EP0998613B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19732233 1997-07-26
DE19732233 1997-07-26
DE19734458 1997-08-11
DE19734458A DE19734458A1 (en) 1997-07-26 1997-08-11 Dowel bar for shear reinforcement
PCT/EP1998/004391 WO1999005374A1 (en) 1997-07-26 1998-07-15 Dowel pin for web reinforcements

Publications (2)

Publication Number Publication Date
EP0998613A1 true EP0998613A1 (en) 2000-05-10
EP0998613B1 EP0998613B1 (en) 2002-10-02

Family

ID=26038606

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Application Number Title Priority Date Filing Date
EP98948823A Expired - Lifetime EP0998613B1 (en) 1997-07-26 1998-07-15 Dowel pin for web reinforcements

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EP (1) EP0998613B1 (en)
JP (1) JP2001511491A (en)
AT (1) ATE225446T1 (en)
CA (1) CA2297977C (en)
CZ (1) CZ296338B6 (en)
DE (1) DE59805834D1 (en)
HK (1) HK1027846A1 (en)
NO (1) NO20000379L (en)
PL (1) PL196853B1 (en)
WO (1) WO1999005374A1 (en)

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FI20115807L (en) * 2011-08-18 2013-02-19 Peikko Group Oy PROCEDURE FOR PRODUCING A REINFORCEMENT SYSTEM FOR CASTING IN PLATES AND REINFORCEMENT SYSTEM FOR CASTING IN PLATES
CN106088437B (en) * 2016-07-29 2019-04-05 山东省建筑科学研究院 A kind of superimposed sheet enhancing two-way transmission force property
US11959270B1 (en) 2021-04-16 2024-04-16 Morse Distribution, Inc. Stud rail systems and methods for use in reinforced concrete structures
DE202023101939U1 (en) 2023-04-17 2023-06-30 Reinhold Elsässer Device for inserting into panel-shaped elements

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DE2829941C3 (en) * 1978-07-05 1981-03-12 Deutsche Kahneisen Gesellschaft West Gmbh, 1000 Berlin Device for connecting steel reinforcement
KR840007929A (en) * 1983-03-28 1984-12-11 클라우드 메이어 Fixing method of concrete structure and supporting sleeve and connecting sleeve for it
CH683545A5 (en) 1991-01-18 1994-03-31 Thomas Moesch Shear reinforcement for flat slabs.
DE4412598A1 (en) * 1994-04-13 1995-10-19 Zellner Wilhelm Dowel bar for shear reinforcement
EP0744508B1 (en) 1995-05-11 1998-11-11 HALFEN GmbH & CO. Kommanditgesellschaft Device for forming a shear reinforcement for flat slabs
WO1997023695A1 (en) * 1995-12-21 1997-07-03 Deha Ankersysteme Gmbh & Co. Kg Dowel support for bent-up reinforcement bars and process for the production thereof
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Title
See references of WO9905374A1 *

Also Published As

Publication number Publication date
NO20000379D0 (en) 2000-01-25
PL338247A1 (en) 2000-10-09
CZ2000268A3 (en) 2000-11-15
WO1999005374A1 (en) 1999-02-04
CA2297977A1 (en) 1999-02-04
HK1027846A1 (en) 2001-01-23
EP0998613B1 (en) 2002-10-02
NO20000379L (en) 2000-01-25
PL196853B1 (en) 2008-02-29
CZ296338B6 (en) 2006-02-15
CA2297977C (en) 2006-10-03
DE59805834D1 (en) 2002-11-07
JP2001511491A (en) 2001-08-14
ATE225446T1 (en) 2002-10-15

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