EP2143851B1 - Reinforcing element for absorbing forces in fringe areas of concrete slabs in the area of supporting elements - Google Patents

Reinforcing element for absorbing forces in fringe areas of concrete slabs in the area of supporting elements Download PDF

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Publication number
EP2143851B1
EP2143851B1 EP08159976.3A EP08159976A EP2143851B1 EP 2143851 B1 EP2143851 B1 EP 2143851B1 EP 08159976 A EP08159976 A EP 08159976A EP 2143851 B1 EP2143851 B1 EP 2143851B1
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Prior art keywords
reinforcing element
bar
anchoring
region
element according
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German (de)
French (fr)
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EP2143851A1 (en
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Urs Oelhafen
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FJ Aschwanden AG
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FJ Aschwanden AG
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    • 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 present invention relates to a reinforcing element for receiving forces in the edge regions of concrete slabs in the region of supporting elements, in particular columns and supporting walls, which reinforcing element is formed essentially of steel.
  • Concrete ceilings of buildings of any kind which are supported for example at the edge regions by columns or supporting walls, must be designed in these areas so that the supporting forces can be optimally introduced into the concrete slabs. In particular, this applies to the shear forces to which the concrete slabs are exposed in the support area. In order to absorb these forces, the concrete floors are reinforced by inserting reinforcing steel.
  • reinforcing baskets which are formed of a plurality of juxtaposed U-shaped reinforcing steel straps, which are interconnected by cross bars. These reinforcing baskets can then be integrated into and connected to the upper and lower reinforcement layers of the concrete floor.
  • Such reinforcement baskets are not very easy to use, since they require a relatively large amount of space and therefore storage and transport to the site of these reinforcement baskets are complex. In addition, it has been shown that in such reinforcing baskets the load is limited.
  • the object of the present invention is therefore to provide a reinforcing element for receiving forces in the edge regions of concrete slabs in the region of support elements, in particular columns or supporting walls, which can accommodate large loads, which can be produced easily and inexpensively and in terms of storage and transportation takes up little space.
  • the solution to this problem is characterized by a substantially vertical, plate-shaped back member, at its lower portion at least one, substantially perpendicular thereto aligned, basic bar is attached to the upper region at least one further rod is fixed, which is substantially perpendicular is directed to the back member is provided with a bend, the bent portion is directed at an acute angle ( ⁇ ) against the base rod out and the end portion of this bent portion is connected by means of an anchoring element with the basic rod.
  • the at least one basic rod and the at least one further rod are screwed to the back element, which allows easy mounting.
  • the upper end region and the lower end region of the plate-shaped back element can also each be bent by about 90 °, the at least one base rod and the at least one further rod can be attached to the corresponding bent end regions by welding. As a result, the welds can be optimally executed.
  • a particularly optimal connection between the back element and the base bar or further bar is achieved in that the bent end portions of the plate-shaped back element are provided with slots into which the at least one basic rod and the at least one further rod are respectively inserted and secured by welding.
  • the anchoring element is designed as anchoring plate, with which the at least one basic rod and the end of the at least one further rod are connected, whereby an optimal power transmission is achieved on the concrete slab.
  • the anchoring plate is provided with slots into which the at least one basic rod is inserted and welded to the anchoring plate, whereby an optimal connection is obtained.
  • a further advantageous embodiment of the invention is that the anchoring plate is provided with holes into which the end of the at least one further rod is inserted and welded to the anchoring plate, which in turn results in an optimal connection.
  • these anchoring means are formed by a bent end portion of the respective basic rod, which can be produced very easily and inexpensively.
  • a cost-effective production is also achieved in that the basic rods and the other rods are formed of reinforcing iron.
  • a particularly advantageous embodiment of the invention is that the reinforcing element is formed from a basic rod and two parallel to each other extending, spaced-apart further rods, which is suitable for use and the power in a special way.
  • this inventive reinforcing element 1 is inserted into the edge region 2 of a concrete slab 3.
  • This edge region 2 of the concrete slab 3 is supported by a support or supporting wall 4.
  • the concrete plate 3 and the support 4 are shown here only schematically.
  • the reinforcing element 1 to be inserted into the panel 3 to be concreted has a plate-shaped back element 5.
  • This back element could also be formed from rods.
  • the upper end portion 6 and the lower end portion 7 of this plate-shaped back member 5 are each bent by about 90 °.
  • the bent upper end portion 6 is provided with two longitudinal slots 8, which are aligned parallel to each other and spaced from each other.
  • a longitudinal slot 9 is inserted, aligned parallel to the two longitudinal slots 8 of the bent upper end portion.
  • the one end of a base bar 10 is inserted, for example, a reinforcing rod.
  • a reinforcing rod is welded to the bent lower end portion 7 of the plate-shaped back member 5, whereby an optimal connection between the base bar 10 and plate-shaped back element 5 is achieved.
  • a first area of these further bars 11 and 12 running away from the plate-shaped back element 5 is aligned parallel to the basic bar 10.
  • the two further rods 11 and 12 are then each provided with a bend 13, the bent portion 14 of these two further rods 11 and 12 is at an acute angle ⁇ ( Fig.2 ) directed against the base 10 towards.
  • the end regions of the bent regions 14 of the two further rods 11 and 12 are connected to the base rod 10 via an anchoring element 15.
  • the anchoring element 15 is designed as anchoring plate 16, which is equipped with a longitudinal slot 17. In this Longitudinal slot 17 of the anchoring plate 16, the base rod 10 is inserted, along the longitudinal edges of this longitudinal slot 17, the anchoring plate 16 is welded to the base 10.
  • the anchoring plate 16 is also provided with two holes 18, in which the respective end of the two further rods 11 and 12 is inserted, the ends are also welded to the anchoring plate 16.
  • the ends of the further rods 11 and 12 could be bolted to the anchoring plate in a known manner.
  • the area of the base bar 10 facing away from the plate-shaped back element 5 is additionally equipped with anchoring means 19, which in the present example are formed as a bend of the end area of the base bar 10.
  • anchoring means 19 could also be designed differently, for example, these could be formed by an anchor head, it is also conceivable that the base bar 10 has a length such that the anchorage in the concrete is achieved in sufficient mass.
  • the inventive reinforcing element is configured and inserted into the concrete plate 3 that the substantially perpendicular to the plate-shaped back element 5 extending portions of the other rods 11 and 12, which are aligned parallel to the base bar 10, still above the support 4 to lie, the respective bend 13 is located above the inner edge of the support 4, which at an acute angle to the base 10 toward extending bent portions 13 of the other rods 11 and 12 and the anchoring element 15 are located outside of the support 4 directly supported part of the concrete slab 3.
  • the angle ⁇ formed between the bent regions 14 of the further bars 11 and 12 and the base bar 10 is in a range of about 25 ° to 45 °.
  • the supporting forces are introduced in an optimum manner into the concrete slab.
  • the two other rods 11 and 12 are practically exclusively claimed to train, these tensile forces are introduced on the one hand on the anchoring element 15 and the base rod 10 and on the other hand on the plate-shaped back member in an optimal manner in the concrete slab 3.
  • these reinforcing elements are integrated in the usual reinforcement of such a concrete plate 3, in particular consisting of an upper reinforcement layer and a lower reinforcement layer, which are not shown in the figures.
  • FIGS 3 and 4 are further views of the inventive reinforcing element 1 can be seen. These show the arrangement of the reinforcing elements 1 in the concrete slab 3 with respect to the support 4, to which the plate-shaped back element 5, the base bar 10, the further rods 11 and 12 and the anchoring element 15 can be seen.
  • Fig. 5 shows a reinforcing element 1 inserted into the concrete slab 3 to be supported, to the back element 5 of which the basic bar 10 and the further bars 11, 12 are fastened via a respective known screw 20.
  • FIG. 6 an arrangement of a reinforcing element 1 according to the invention in combination with a known reinforcing element 21 can be seen in a concrete plate 3 to be supported by the support 4.
  • the inventive reinforcing element 1 has a height which allows it to be inserted into the known reinforcing element 21, so that the two can be aligned at right angles to each other.
  • Fig. 7 shows the use of two inventive reinforcing elements 1 in a concrete plate 3, which is supported in a corner region by a support 4.
  • the two reinforcing elements 1 are arranged crosswise, in this case, the one reinforcing element 1 has a lower height than the other, the two reinforcing elements 1 can thereby be pushed into one another.
  • Fig. 8 is a further arrangement of inventive reinforcing elements 1 in combination with the known reinforcing elements 21 for supporting a concrete slab 3 can be seen.
  • two inventive reinforcing elements 1 are inserted at right angles into two mutually parallel known reinforcing elements 21.
  • inventive reinforcing elements 1 and / or known reinforcing elements 21 are possible.
  • the number of rods used can be changed, depending on where and how appropriate reinforcing elements 1 are to be used. It is readily conceivable, for example, to arrange two basic bars 10 parallel next to each other and use three more rods, but it could also be just another rod attached, which is arranged between the two basic bars, depending on the type of load, the reinforcing elements 1 can be designed accordingly
  • reinforcing elements 1 are used to support a concrete slab 3 on a supporting wall, as previously described, usually next to each other in the plate to be concreted 3. Depending on the type of load, the distance between the individual reinforcing elements 1 can be varied accordingly. Depending on the arrangement of the support with respect to the concrete slab can, as previously also been shown, the reinforcing elements are also aligned over the cross.
  • these reinforcing elements are formed of reinforcing steel, depending on the type of use, other materials could be used, such as chrome steel.
  • reinforcing elements optimal absorption of forces in the edge regions of concrete slabs in the range of supports can be achieved, these inventive reinforcing elements are also characterized by easy handling, transport of these reinforcing elements to a construction site and a storage require due to the design these reinforcing elements little space.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Reinforcement Elements For Buildings (AREA)

Description

Die vorliegende Erfindung bezieht sich auf ein Bewehrungselement für die Aufnahme von Kräften in Randbereichen von betonierten Platten im Bereich von Stützelementen, insbesondere Stützen und Tragwänden, welches Bewehrungselement im Wesentlichen aus Stahl gebildet ist.The present invention relates to a reinforcing element for receiving forces in the edge regions of concrete slabs in the region of supporting elements, in particular columns and supporting walls, which reinforcing element is formed essentially of steel.

Betondecken von Gebäuden jeglicher Art, die beispielsweise an deren Randbereichen durch Stützen oder Tragwänden abgestützt werden, müssen in diesen Bereichen so ausgestaltet sein, dass die Stützkräfte in optimalerweise in die Betondecken eingeleitet werden können. Insbesondere gilt dies für die Scherkräfte, welchen die Betondecken im Abstützbereich ausgesetzt sind. Um diese Kräfte aufnehmen zu können, werden die Betondecken durch Einlegen von Betonstahl bewehrt.Concrete ceilings of buildings of any kind, which are supported for example at the edge regions by columns or supporting walls, must be designed in these areas so that the supporting forces can be optimally introduced into the concrete slabs. In particular, this applies to the shear forces to which the concrete slabs are exposed in the support area. In order to absorb these forces, the concrete floors are reinforced by inserting reinforcing steel.

Es ist bekannt, als Bewehrungselemente in diesen Bereichen von Bauwerken Bewehrungskörbe ein zu setzen, die aus mehreren nebeneinander angeordneten U-förmigen Betonstahlbügeln gebildet sind, die über Querstäbe miteinander verbunden sind. Diese Bewehrungskörbe können dann in die oberen und unteren Bewehrungslagen der Betondecke integriert und mit diesen verbunden werden.It is known to put as reinforcing elements in these areas of structures reinforcing baskets, which are formed of a plurality of juxtaposed U-shaped reinforcing steel straps, which are interconnected by cross bars. These reinforcing baskets can then be integrated into and connected to the upper and lower reinforcement layers of the concrete floor.

Derartige Bewehrungskörbe sind nicht ganz einfach in der Handhabung, da sie relativ viel Platz beanspruchen und deshalb eine Lagerung und ein Transport auf die Baustelle dieser Bewehrungskörbe aufwändig sind. Zudem hat sich gezeigt, dass bei derartigen Bewehrungskörben die Belastung begrenzt ist.Such reinforcement baskets are not very easy to use, since they require a relatively large amount of space and therefore storage and transport to the site of these reinforcement baskets are complex. In addition, it has been shown that in such reinforcing baskets the load is limited.

Aus der US-A 3,283,458 sind Bewehrungselemente gemäß dem Oberbegriff des Anspruchs 1 bekannt, die aus einzelnen, gebogenen Stäben gebildet sind.From the US-A 3,283,458 Reinforcement elements are known according to the preamble of claim 1, which are formed of individual, bent bars.

Die Aufgabe der vorliegenden Erfindung besteht somit darin, ein Bewehrungselement für die Aufnahme von Kräften in Randbereichen von betonierten Platten im Bereich von Stützelementen, insbesondere Stützen oder Tragwände zu schaffen, welches grosse Belastungen aufnehmen kann, welches einfach und kostengünstig hergestellt werden kann und das hinsichtlich Lagerung und Transport wenig Platz beansprucht.The object of the present invention is therefore to provide a reinforcing element for receiving forces in the edge regions of concrete slabs in the region of support elements, in particular columns or supporting walls, which can accommodate large loads, which can be produced easily and inexpensively and in terms of storage and transportation takes up little space.

Erfindungsgemäss zeichnet sich die Lösung dieser Aufgabe aus durch ein im wesentlichen vertikales, plattenförmig ausgebildetes Rückenelement, an dessen unteren Bereich mindestens ein, im wesentlichen senkrecht dazu ausgerichteter, Grundstab befestigt ist, an dessen oberen Bereich mindestens ein weiterer Stab befestigt ist, der im wesentlichen senkrecht zum Rückenelement ausgerichtet ist, mit einer Biegung versehen ist, der abgebogene Bereich unter einem spitzen Winkel (α) gegen den Grundstab hin gerichtet ist und der Endbereich dieses abgebogenen Bereichs mittels einem Verankerungselement mit dem Grundstab verbunden ist.According to the invention, the solution to this problem is characterized by a substantially vertical, plate-shaped back member, at its lower portion at least one, substantially perpendicular thereto aligned, basic bar is attached to the upper region at least one further rod is fixed, which is substantially perpendicular is directed to the back member is provided with a bend, the bent portion is directed at an acute angle (α) against the base rod out and the end portion of this bent portion is connected by means of an anchoring element with the basic rod.

Dadurch wird ein sehr einfach und kostengünstig herstellbares Bewehrungselement erhalten, das einfach zu handhaben ist, und welches die Stützkräfte in optimalerweise in die Betondecke einleiten kann, wobei insbesondere die auf den mindestens einen weiteren Stab wirkenden Zugkräfte über das Verankerungselement optimal aufgenommen werden können.As a result, a very simple and inexpensive to produce reinforcing element is obtained, which is easy to handle, and which can initiate the support forces optimally in the concrete ceiling, in particular the forces acting on the at least one further rod tensile forces can be optimally absorbed via the anchoring element.

In vorteilhafter Weise sind der mindestens eine Grundstab und der mindestens eine weitere Stab mit dem Rückenelement verschraubt, was eine einfache Montage ermöglicht.Advantageously, the at least one basic rod and the at least one further rod are screwed to the back element, which allows easy mounting.

Der obere Endbereich und der untere Endbereich des plattenförmigen Rückenelements können auch jeweils um etwa 90° abgebogen sein, der mindestens eine Grundstab und der mindestens eine weitere Stab können an den entsprechend abgebogenen Endbereichen durch Verschweissen befestigt werden. Hierdurch können die Schweissverbindungen optimal ausgeführt werden.The upper end region and the lower end region of the plate-shaped back element can also each be bent by about 90 °, the at least one base rod and the at least one further rod can be attached to the corresponding bent end regions by welding. As a result, the welds can be optimally executed.

Eine besonders optimale Verbindung zwischen Rückenelement und Grundstab beziehungsweise weiterem Stab erreicht man dadurch, dass die umgebogenen Endbereiche des plattenförmigen Rückenelementes mit Schlitzen versehen sind, in welche der mindestens eine Grundstab und der mindestens eine weitere Stab jeweils eingesetzt und durch Verschweissen befestigt sind.A particularly optimal connection between the back element and the base bar or further bar is achieved in that the bent end portions of the plate-shaped back element are provided with slots into which the at least one basic rod and the at least one further rod are respectively inserted and secured by welding.

In vorteilhafter Weise ist das Verankerungselement als Verankerungsplatte ausgebildet, mit welcher der mindestens eine Grundstab und das Ende des mindestens einen weiteren Stabes verbunden sind, wodurch eine optimale Kraftübertragung auf die Betonplatte erreicht wird.Advantageously, the anchoring element is designed as anchoring plate, with which the at least one basic rod and the end of the at least one further rod are connected, whereby an optimal power transmission is achieved on the concrete slab.

In vorteilhafter Weise ist die Verankerungsplatte mit Schlitzen versehen, in welche der mindestens eine Grundstab eingelegt und mit der Verankerungsplatte verschweisst ist, wodurch eine optimale Verbindung erhalten wird.Advantageously, the anchoring plate is provided with slots into which the at least one basic rod is inserted and welded to the anchoring plate, whereby an optimal connection is obtained.

Eine weitere vorteilhafte Ausgestaltung der Erfindung besteht darin, dass die Verankerungsplatte mit Bohrungen versehen ist, in welche das Ende des mindestens einen weiteren Stabes eingesteckt und mit der Verankerungsplatte verschweisst ist, was wiederum eine optimale Verbindung ergibt.A further advantageous embodiment of the invention is that the anchoring plate is provided with holes into which the end of the at least one further rod is inserted and welded to the anchoring plate, which in turn results in an optimal connection.

Eine weitere vorteilhafte Ausgestaltung der Erfindung besteht darin, dass der dem Rückenelement abgewandte Bereich des mindestens einen Grundstabes mit Verankerungsmitteln ausgestattet ist, wodurch eine optimale Halterung dieses Grundstabes in der Betonplatte erreicht wird.A further advantageous embodiment of the invention consists in that the area of the at least one base bar facing away from the back element is provided with anchoring means, whereby an optimal mounting of this basic bar in the concrete slab is achieved.

In vorteilhafter Weise sind diese Verankerungsmittel durch einen umgebogenen Endbereich des jeweiligen Grundstabes gebildet, was sehr einfach und kostengünstig hergestellt werden kann.Advantageously, these anchoring means are formed by a bent end portion of the respective basic rod, which can be produced very easily and inexpensively.

Eine kostengünstige Herstellung wird auch dadurch erreicht, dass die Grundstäbe und die weiteren Stäbe aus Armierungseisen gebildet sind.A cost-effective production is also achieved in that the basic rods and the other rods are formed of reinforcing iron.

Eine besonders vorteilhafte Ausgestaltung der Erfindung besteht darin, dass das Bewehrungselement aus einem Grundstab und zwei parallel zu einander verlaufenden, voneinander beabstandenten weiteren Stäben gebildet ist, welches sich für den Einsatz und die Kraftaufnahme in besonderer Weise eignet.A particularly advantageous embodiment of the invention is that the reinforcing element is formed from a basic rod and two parallel to each other extending, spaced-apart further rods, which is suitable for use and the power in a special way.

Ausführungsformen der Erfindung werden nachfolgend an Hand der beiliegenden Zeichnung beispielhaft näher erläutert.Embodiments of the invention are explained in more detail by way of example with reference to the accompanying drawings.

Es zeigt

  • Fig. 1 in räumlicher Darstellung ein erfindungsgemässes Bewehrungselement, das in eine Betondecke eingesetzt ist;
  • Fig. 2 eine Seitenansicht des Bewehrungselementes gemäss Fig. 1;
  • Fig. 3 eine Ansicht von oben auf das Bewehrungselement gemäss Fig. 1;
  • Fig. 4 eine Ansicht von vorn auf das Bewehrungselement gemäss Fig. 1;
  • Fig. 5 eine Seitenansicht auf das Rückenelement mit den daran durch Verschraubung befestigten Grundstab und weiteren Stäben;
  • Fig. 6 eine Ansicht von oben auf eine Anordnung von Bewehrungselementen;
  • Fig. 7 eine Ansicht von oben auf eine weitere Anordnung von Bewehrungselementen; und
  • Fig. 8 eine Ansicht von oben auf eine zusätzliche Anordnung von Bewehrungselementen.
It shows
  • Fig. 1 in a spatial representation of an inventive reinforcing element, which is inserted into a concrete ceiling;
  • Fig. 2 a side view of the reinforcing element according to Fig. 1 ;
  • Fig. 3 a view from above of the reinforcing element according to Fig. 1 ;
  • Fig. 4 a view from the front of the reinforcing element according Fig. 1 ;
  • Fig. 5 a side view of the back element with the base attached thereto by screwing and other rods;
  • Fig. 6 a view from above of an arrangement of reinforcing elements;
  • Fig. 7 a view from above of another arrangement of reinforcing elements; and
  • Fig. 8 a view from above of an additional arrangement of reinforcing elements.

Wie in den Figuren 1 und 2 dargestellt ist, ist dieses erfindungsgemässe Bewehrungselement 1 in den Randbereich 2 einer betonierten Platte 3 eingesetzt. Dieser Randbereich 2 der betonierten Platte 3 wird durch eine Stütze oder tragende Wand 4 abgestützt. Die betonierte Platte 3 und die Abstützung 4 sind hier lediglich schematisch dargestellt.As in the FIGS. 1 and 2 is shown, this inventive reinforcing element 1 is inserted into the edge region 2 of a concrete slab 3. This edge region 2 of the concrete slab 3 is supported by a support or supporting wall 4. The concrete plate 3 and the support 4 are shown here only schematically.

Das in die zu betonierende Platte 3 einzusetzende Bewehrungselement 1 weist ein plattenförmiges Rückenelement 5 auf. Dieses Rückenelement könnte auch aus Stäben gebildet sein. Der obere Endbereich 6 und der untere Endbereich 7 dieses plattenförmigen Rückenelements 5 sind jeweils um etwa 90° abgebogen.The reinforcing element 1 to be inserted into the panel 3 to be concreted has a plate-shaped back element 5. This back element could also be formed from rods. The upper end portion 6 and the lower end portion 7 of this plate-shaped back member 5 are each bent by about 90 °.

Der abgebogene obere Endbereich 6 ist mit zwei Längsschlitzen 8 ausgestattet, die parallel zueinander ausgerichtet und voneinander beabstandet sind. In den abgebogenen unteren Endbereich 7 ist ebenfalls ein Längsschlitz 9 eingelassen, parallel ausgerichtet zu den beiden Längsschlitzen 8 des abgebogenen oberen Endbereichs 6.The bent upper end portion 6 is provided with two longitudinal slots 8, which are aligned parallel to each other and spaced from each other. In the bent lower end portion 7 is also a longitudinal slot 9 is inserted, aligned parallel to the two longitudinal slots 8 of the bent upper end portion. 6

Im Längsschlitz 9 des abgebogenen unteren Endbereichs 7 des plattenförmigen Rückenelements 5 ist das eine Ende eines Grundstabes 10 eingelegt, beispielsweise ein Armierungseisenstab. Entlang der Randbereiche des Längsschlitzes 9 ist dieser Grundstab 10 mit dem abgebogenen unteren Endbereich 7 des plattenförmigen Rückenelements 5 verschweisst, wodurch eine optimale Verbindung zwischen Grundstab 10 und plattenförmigem Rückenelement 5 erreicht wird.In the longitudinal slot 9 of the bent lower end portion 7 of the plate-shaped back member 5, the one end of a base bar 10 is inserted, for example, a reinforcing rod. Along the edge regions of the longitudinal slot 9 of this basic rod 10 is welded to the bent lower end portion 7 of the plate-shaped back member 5, whereby an optimal connection between the base bar 10 and plate-shaped back element 5 is achieved.

In die Längsschlitze 8 des abgebogenen oberen Endbereichs 6 des plattenförmigen Rückenelements 5 sind die Endbereiche von zwei weiteren Stäben 11 und 12, die ebenfalls aus Armierungseisen bestehen, eingelegt und entlang der Längsbereiche der Längsschlitze 8 mit dem oberen Endbereich 6 des plattenförmigen Rückenelements 5 verschweisst. Ein erster vom plattenförmigen Rückenelement 5 weglaufender Bereich dieser weiteren Stäbe 11 und 12 ist parallel zum Grundstab 10 ausgerichtet. Die beiden weiteren Stäbe 11 und 12 sind dann jeweils mit einer Biegung 13 versehen, der abgebogene Bereich 14 dieser beiden weiteren Stäbe 11 und 12 ist unter einem spitzen Winkel α (Fig.2) gegen den Grundstab 10 hin gerichtet.In the longitudinal slots 8 of the bent upper end portion 6 of the plate-shaped back member 5, the end portions of two further rods 11 and 12, which also consist of reinforcing bars, inserted and welded along the longitudinal regions of the longitudinal slots 8 with the upper end portion 6 of the plate-shaped back member 5. A first area of these further bars 11 and 12 running away from the plate-shaped back element 5 is aligned parallel to the basic bar 10. The two further rods 11 and 12 are then each provided with a bend 13, the bent portion 14 of these two further rods 11 and 12 is at an acute angle α ( Fig.2 ) directed against the base 10 towards.

Die Endbereiche der abgebogenen Bereiche 14 der beiden weiteren Stäbe 11 und 12 sind über ein Verankerungselement 15 mit dem Grundstab 10 verbunden. Das Verankerungselement 15 ist als Verankerungsplatte 16 ausgebildet, welche mit einem Längsschlitz 17 ausgestattet ist. In diesem Längsschlitz 17 der Verankerungsplatte 16 ist der Grundstab 10 eingelegt, entlang der Längsränder dieses Längsschlitzes 17 ist die Verankerungsplatte 16 mit dem Grundstab 10 verschweisst.The end regions of the bent regions 14 of the two further rods 11 and 12 are connected to the base rod 10 via an anchoring element 15. The anchoring element 15 is designed as anchoring plate 16, which is equipped with a longitudinal slot 17. In this Longitudinal slot 17 of the anchoring plate 16, the base rod 10 is inserted, along the longitudinal edges of this longitudinal slot 17, the anchoring plate 16 is welded to the base 10.

Die Verankerungsplatte 16 ist zudem mit zwei Bohrungen 18 versehen, in welche das jeweilige Ende der beiden weiteren Stäbe 11 und 12 eingesteckt ist, die Enden sind mit der Verankerungsplatte 16 ebenfalls verschweisst. Selbstverständlich könnten die Enden der weiteren Stäbe 11 und 12 mit der Verankerungsplatte in bekannter Weise auch verschraubt werden.The anchoring plate 16 is also provided with two holes 18, in which the respective end of the two further rods 11 and 12 is inserted, the ends are also welded to the anchoring plate 16. Of course, the ends of the further rods 11 and 12 could be bolted to the anchoring plate in a known manner.

Der dem plattenförmige Rückenelement 5 abgewandte Bereich des Grundstabes 10 ist zusätzlich mit Verankerungsmitteln 19 ausgestattet, die im vorliegendem Beispiel als Umbiegung des Endbereichs des Grundstabes 10 ausgebildet sind. Selbstverständlich könnten diese Verankerungsmittel auch anders ausgestaltet sein, beispielsweise könnten diese durch einen Ankerkopf gebildet sein, denkbar ist auch, dass der Grundstab 10 eine solche Länge aufweist, dass die Verankerung im Beton im genügenden Masse erreicht wird.The area of the base bar 10 facing away from the plate-shaped back element 5 is additionally equipped with anchoring means 19, which in the present example are formed as a bend of the end area of the base bar 10. Of course, these anchoring means could also be designed differently, for example, these could be formed by an anchor head, it is also conceivable that the base bar 10 has a length such that the anchorage in the concrete is achieved in sufficient mass.

Wie insbesondere aus Fig. 2 ersichtlich ist, wird das erfindungsgemässe Bewehrungselement derart ausgestaltet und so in die betonierte Platte 3 eingesetzt, dass die im Wesentlichen senkrecht zum plattenförmigen Rückenelement 5 verlaufenden Bereiche der weiteren Stäbe 11 und 12, die parallel zum Grundstab 10 ausgerichtet sind, noch oberhalb der Abstützung 4 zu liegen kommen, die jeweilige Biegung 13 befindet sich oberhalb des inneren Randes der Abstützung 4, die unter einem spitzen Winkel gegen den Grundstab 10 hin verlaufenden abgebogenen Bereiche 13 der weiteren Stäbe 11 und 12 sowie das Verankerungselement 15 befinden sich ausserhalb des durch die Abstützung 4 direkt abgestützten Teils der betonierten Platte 3.As in particular from Fig. 2 it can be seen, the inventive reinforcing element is configured and inserted into the concrete plate 3 that the substantially perpendicular to the plate-shaped back element 5 extending portions of the other rods 11 and 12, which are aligned parallel to the base bar 10, still above the support 4 to lie, the respective bend 13 is located above the inner edge of the support 4, which at an acute angle to the base 10 toward extending bent portions 13 of the other rods 11 and 12 and the anchoring element 15 are located outside of the support 4 directly supported part of the concrete slab 3.

Der zwischen den abgebogenen Bereichen 14 der weiteren Stäbe 11 und 12 und dem Grundstab 10 gebildete Winkel α liegt in einem Bereich von etwa 25° bis 45°.The angle α formed between the bent regions 14 of the further bars 11 and 12 and the base bar 10 is in a range of about 25 ° to 45 °.

Mit dieser Ausgestaltung und Anordnung der erfindungsgemässen Bewehrungselemente in einer abzustützenden betonierten Platte werden die Abstützkräfte in optimaler Weise in die betonierte Platte eingeleitet. Die beiden weiteren Stäbe 11 und 12 sind praktisch ausschliesslich auf Zug beansprucht, diese Zugkräfte werden einerseits über das Verankerungselement 15 und den Grundstab 10 und andererseits über das plattenförmige Rückenelement in optimaler Weise in die betonierte Platte 3 eingeleitet. Selbstverständlich werden diese Bewehrungselemente in die übliche Armierung einer derartigen betonierten Platte 3 integriert, insbesondere bestehend aus einer oberen Bewehrungslage und einer unteren Bewehrungslage, die in den Figuren nicht dargestellt sind.With this configuration and arrangement of the inventive reinforcing elements in a concrete slab to be supported, the supporting forces are introduced in an optimum manner into the concrete slab. The two other rods 11 and 12 are practically exclusively claimed to train, these tensile forces are introduced on the one hand on the anchoring element 15 and the base rod 10 and on the other hand on the plate-shaped back member in an optimal manner in the concrete slab 3. Of course, these reinforcing elements are integrated in the usual reinforcement of such a concrete plate 3, in particular consisting of an upper reinforcement layer and a lower reinforcement layer, which are not shown in the figures.

Aus den Figuren 3 und 4 sind weitere Ansichten auf das erfindungsgemässe Bewehrungselement 1 ersichtlich. Diese zeigen die Anordnung der Bewehrungselemente 1 in der betonierten Platte 3 bezüglich der Abstützung 4, zu dem sind das plattenförmige Rückenelement 5, der Grundstab 10, die weiteren Stäbe 11 und 12 sowie das Verankerungselement 15 ersichtlich.From the Figures 3 and 4 are further views of the inventive reinforcing element 1 can be seen. These show the arrangement of the reinforcing elements 1 in the concrete slab 3 with respect to the support 4, to which the plate-shaped back element 5, the base bar 10, the further rods 11 and 12 and the anchoring element 15 can be seen.

Fig. 5 zeigt ein in die abzustützende betonierte Platte 3 eingesetztes Bewehrungselement 1, an dessen Rückenelement 5 der Grundstab 10 und die weiteren Stäbe 11, 12 über jeweils eine bekannte Verschraubung 20 befestigt sind. Fig. 5 shows a reinforcing element 1 inserted into the concrete slab 3 to be supported, to the back element 5 of which the basic bar 10 and the further bars 11, 12 are fastened via a respective known screw 20.

Aus Fig. 6 ist eine Anordnung eines erfindungsgemässen Bewehrungselementes 1 in Kombination mit einem bekannten Bewehrungselement 21 in einer durch die Abstützung 4 abzustützenden betonierten Platte 3 ersichtlich. Das erfindungsgemässe Bewehrungselement 1 weist eine Höhe auf, die es erlaubt, dieses in das bekannte Bewehrungselement 21 einzuschieben, so dass die beiden rechtwinklig zueinander ausgerichtet werden können.Out Fig. 6 an arrangement of a reinforcing element 1 according to the invention in combination with a known reinforcing element 21 can be seen in a concrete plate 3 to be supported by the support 4. The inventive reinforcing element 1 has a height which allows it to be inserted into the known reinforcing element 21, so that the two can be aligned at right angles to each other.

Fig. 7 zeigt den Einsatz von zwei erfindungsgemässen Bewehrungselementen 1 in einer betonierten Platte 3, die in einem Eckbereich durch eine Stütze 4 abgestützt ist. Die beiden Bewehrungselemente 1 sind kreuzweise angeordnet, hierbei weist das eine Bewehrungselement 1 eine geringere Bauhöhe auf, als das andere, die beiden Bewehrungselemente 1 können dadurch ineinander geschoben werden. Fig. 7 shows the use of two inventive reinforcing elements 1 in a concrete plate 3, which is supported in a corner region by a support 4. The two reinforcing elements 1 are arranged crosswise, in this case, the one reinforcing element 1 has a lower height than the other, the two reinforcing elements 1 can thereby be pushed into one another.

Aus Fig. 8 ist eine weitere Anordnung von erfindungsgemässen Bewehrungselementen 1 in Kombination mit den bekannten Bewehrungselementen 21 zum Abstützen einer betonierten Platte 3 ersichtlich. Hierbei sind zwei erfindungsgemässe Bewehrungselemente 1 rechtwinklig in zwei parallel zueinander angeordnete bekannte Bewehrungselemente 21 eingeschoben. Je nach Abmessungen und Anordnung der Abstützung sind verschiedenste andere Kombinationen mit anderen Stückzahlen von erfindungsgemässen Bewehrungselementen 1 und/oder bekannten Bewehrungselementen 21 möglich.Out Fig. 8 is a further arrangement of inventive reinforcing elements 1 in combination with the known reinforcing elements 21 for supporting a concrete slab 3 can be seen. Here, two inventive reinforcing elements 1 are inserted at right angles into two mutually parallel known reinforcing elements 21. Depending on the dimensions and arrangement of the support a variety of other combinations with other quantities of inventive reinforcing elements 1 and / or known reinforcing elements 21 are possible.

Die vorgängig beschriebenen Ausführungsbeispiele von erfindungsgemässen Bewehrungselementen 1 setzen sich jeweils zusammen aus einem Grundstab 10 und zwei weiteren Stäben 11 und 12. Selbstverständlich kann die Anzahl der eingesetzten Stäbe verändert werden, je nach dem, wo und wie entsprechende Bewehrungselemente 1 eingesetzt werden sollen. Es ist ohne weiteres denkbar, beispielsweise zwei Grundstäbe 10 paralell nebeneinander anzuordnen und drei weitere Stäbe einzusetzen, es könnte aber auch nur ein weiterer Stab angebracht sein, der zwischen den beiden Grundstäben angeordnet ist, je nach Belastungsart können die Bewehrungselemente 1 entsprechend gestaltet seinOf course, the number of rods used can be changed, depending on where and how appropriate reinforcing elements 1 are to be used. It is readily conceivable, for example, to arrange two basic bars 10 parallel next to each other and use three more rods, but it could also be just another rod attached, which is arranged between the two basic bars, depending on the type of load, the reinforcing elements 1 can be designed accordingly

Diese Bewehrungselemente 1 werden zum Abstützen einer betonierten Platte 3 auf einer Tragwand, wie dies vorgängig beschrieben worden ist, üblicherweise nebeneinander in die zu betonierende Platte 3 eingesetzt. Je nach Belastungsart kann der Abstand zwischen den einzelnen Bewehrungselementen 1 entsprechend variiert werden. Je nach Anordnung der Abstützung bezüglich der betonierten Platte können, wie vorgängig auch dargestellt worden ist, die Bewehrungselemente auch übers Kreuz ausgerichtet werden.These reinforcing elements 1 are used to support a concrete slab 3 on a supporting wall, as previously described, usually next to each other in the plate to be concreted 3. Depending on the type of load, the distance between the individual reinforcing elements 1 can be varied accordingly. Depending on the arrangement of the support with respect to the concrete slab can, as previously also been shown, the reinforcing elements are also aligned over the cross.

Es ist auch erwähnt worden, dass diese Bewehrungselemente aus Armierungsstahl gebildet sind, je nach Einsatzart könnten auch andere Materialien verwendet werden, beispielsweise Chromstahl.It has also been mentioned that these reinforcing elements are formed of reinforcing steel, depending on the type of use, other materials could be used, such as chrome steel.

Mit derartig eingesetzten erfindungsgemässen Bewehrungselementen kann eine optimale Aufnahme von Kräften in Randbereichen von betonierten Platten im Bereich von Abstützungen erreicht werden, diese erfindungsgemässen Bewehrungselemente zeichnen sich zudem durch eine einfache Handhabung aus, ein Transport dieser Bewehrungselemente auf eine Baustelle sowie eine Lagerhaltung erfordern auf Grund der Ausgestaltung dieser Bewehrungselemente wenig Platz. With such used according to the invention reinforcing elements optimal absorption of forces in the edge regions of concrete slabs in the range of supports can be achieved, these inventive reinforcing elements are also characterized by easy handling, transport of these reinforcing elements to a construction site and a storage require due to the design these reinforcing elements little space.

Claims (11)

  1. Reinforcing element for absorbing forces in border areas (2) of concrete slabs (3) in the region of support elements (4), in particular supporting members and bearing walls, which reinforcing element (1) is substantially composed of steel, characterized by a substantially vertically designed, plate-shaped rear element (5), on the lower region (7) of which rear element at least one base bar (10), aligned substantially perpendicular thereto, is attached, on the upper region (6) of which rear element at least one further bar (11, 12) is attached, which further bar is aligned substantially perpendicular to the rear element (5), is provided with a bend (13), the bent region (14) is directed toward the base bar (10) at an acute angle (α) and the end region of this bent region (14) is connected to the base bar (10) by means of an anchoring element (15).
  2. Reinforcing element according to claim 1, characterized in that the at least one base bar (10) and the at least one further bar (11, 12) are screwed to rear element (5).
  3. Reinforcing element according to claim 1, characterized in that the upper end region (6) and the lower end region (7) of the rear element (5) are each bent up by about 90° and the at least one base bar (10) and the at least one further bar (11, 12) are fixed to the corresponding end regions by welding.
  4. Reinforcing element according to claim 3, characterized in that the bent end regions (6, 7) are provided with slots (8, 9) in which the at least one base bar (10) and the at least one further bar (11, 12) are each inserted and are fixed by welding.
  5. Reinforcing element according to one of the claims 1 to 4, characterized in that the anchoring element (15) is designed as anchoring plate (16), to which the at least one base bar (10) and the end of the at least one further bar (11, 12) are connected.
  6. Reinforcing element according to claim 5, characterized in that the anchoring plate (16) is provided with slots (17), in which the at least one base bar (10) is inserted and is welded together with the anchoring plate (16).
  7. Reinforcing element according to claim 5 or 6, characterized in that the anchoring plate (16) is provided with bores (18), into which the end of the at least one further bar (11, 12) is inserted and is welded together with the anchoring plate (16).
  8. Reinforcing element according to one of the claims 1 to 7, characterized in that the region of the at least one base bar (10) remote from the rear element (5) is provided with anchoring means (19).
  9. Reinforcing element according to claim 8, characterized in that the anchoring means (19) are constituted by a bent end region of the respective base bar (10).
  10. Reinforcing element according to one of the claims 1 to 9, characterized in that the base bars (10) and the further bars (11, 12) are formed by armouring irons.
  11. Reinforcing element according to one of the claims 1 to 10, characterized in that it is composed of one base bar (10) and two further bars (11, 12) spaced apart from one another and running parallel to one another.
EP08159976.3A 2008-07-09 2008-07-09 Reinforcing element for absorbing forces in fringe areas of concrete slabs in the area of supporting elements Active EP2143851B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08159976.3A EP2143851B1 (en) 2008-07-09 2008-07-09 Reinforcing element for absorbing forces in fringe areas of concrete slabs in the area of supporting elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08159976.3A EP2143851B1 (en) 2008-07-09 2008-07-09 Reinforcing element for absorbing forces in fringe areas of concrete slabs in the area of supporting elements

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EP2143851A1 EP2143851A1 (en) 2010-01-13
EP2143851B1 true EP2143851B1 (en) 2016-08-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH702392A2 (en) * 2009-12-03 2011-06-15 Fischer Rista Ag Reinforcement device.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1078510A (en) * 1906-09-25 1913-11-11 Daniel B Luten Concrete-reinforcement.
FR393055A (en) * 1908-06-06 1908-12-12 Julian O Ellinger Reinforcement for constructions made of cement or similar materials
GB192198A (en) * 1921-11-07 1923-02-01 Arnhold Brothers And Company L Improvements in reinforcements for reinforced concrete
US1938491A (en) * 1932-05-11 1933-12-05 Mcmillan Robert Edward Structural units for steel frame buildings and the like
US3283458A (en) 1958-02-25 1966-11-08 Gersovitz Benjamin Shear reinforcement in reinforced concrete floor systems
AT396151B (en) * 1987-03-11 1993-06-25 Avi Alpenlaendische Vered CONNECTING ELEMENT FOR CANTILEVER PLATES AND CONNECTING ELEMENT COMPOSED FROM MULTIPLE CONNECTING ELEMENTS
DE29808491U1 (en) * 1998-05-11 1999-09-23 Dausend, Hans-Werner, 42279 Wuppertal Reinforcement element for shear reinforcement
EP1932978B1 (en) * 2006-12-14 2012-06-13 F.J. Aschwanden AG Reinforcing element for absorbing forces in concreted slabs in the area of supporting elements

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