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EP0695838A2 - Structural member for heat isolation at buildings - Google Patents

Structural member for heat isolation at buildings Download PDF

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Publication number
EP0695838A2
EP0695838A2 EP95108109A EP95108109A EP0695838A2 EP 0695838 A2 EP0695838 A2 EP 0695838A2 EP 95108109 A EP95108109 A EP 95108109A EP 95108109 A EP95108109 A EP 95108109A EP 0695838 A2 EP0695838 A2 EP 0695838A2
Authority
EP
European Patent Office
Prior art keywords
component according
recesses
bar
reinforcing bars
insulating body
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
EP95108109A
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German (de)
French (fr)
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EP0695838B1 (en
EP0695838A3 (en
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Schoeck Bauteile GmbH
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Schoeck Bauteile GmbH
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Publication date
Application filed by Schoeck Bauteile GmbH filed Critical Schoeck Bauteile GmbH
Publication of EP0695838A2 publication Critical patent/EP0695838A2/en
Publication of EP0695838A3 publication Critical patent/EP0695838A3/en
Application granted granted Critical
Publication of EP0695838B1 publication Critical patent/EP0695838B1/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/003Balconies; Decks
    • E04B1/0038Anchoring devices specially adapted therefor with means for preventing cold bridging
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/168Spacers connecting parts for reinforcements and spacing the reinforcements from the form
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires

Definitions

  • the invention relates to a component for thermal insulation between a building and a cantilevered outer part, consisting of an insulating body to be laid between them with integrated metallic reinforcing bars which extend transversely to the insulating body and protrude on both sides, the insulating body having at least one bar firmly connected to it has, which consists of a harder material than the insulating body and has on its sides facing the components to be concreted recesses in which reinforcing bars are fixed.
  • each insulating body is equipped with a plurality of horizontally continuous tension and compression bars and possibly also with transverse force bars, the number of reinforcing bars depending on the length of the insulating body and on the forces to be transmitted between the subsequent concrete components.
  • tension rods relatively far from the insulating body, so that a sufficient coverage with the connecting reinforcement of the components to be concreted on both sides is ensured.
  • the tension rods are usually connected to a common cross rod in order to fix their position relative to one another and relative to the insulating body.
  • This position can be fixed by strips that are firmly connected to the insulating body and made of a harder material than this.
  • the insulating body consists of a material such as polystyrene or a similar foam-like plastic, the strips are made, for example, of a solid plastic, wood, fiber concrete or the like.
  • the strips thus contribute significantly to the stability of the entire insulating body, so that the risk is reduced that the insulating body will break during transport or during handling on the construction site.
  • the strips have the disadvantage that, due to their small thickness, they only hold the reinforcement bars over very short sections, so that it is possible that the reinforcement bars move undesirably axially in their position or even fall completely out of the bar.
  • This object is achieved in that in the direction of extension of the reinforcing bars are arranged laterally next to the recesses connected to the bar brackets that prevent a reinforcing bar from falling out of a recess.
  • the brackets have resilient elements at their edges, with which the opening of the bracket can be at least partially closed automatically.
  • the resilient elements recede when the reinforcing bars are pressed into the bar and, after passing through the reinforcing bar, spring back into a position that blocks a backward movement of the reinforcing bar.
  • the resilient elements extend essentially in the direction of the slots, a functionally reliable mode of operation is possible.
  • the holders In another holder, in which the recesses in the strip are open slits towards a strip edge, the holders have locking rails on the side of the reinforcing bars, which engage with closure bodies extending transversely to the recesses. Through the use of a locking body which snaps into locking rails, a secure fixation of the reinforcement rod is also achieved in the recesses.
  • closure body and / or the locking rails are advantageous to equip the closure body and / or the locking rails with a large number of catches arranged one behind the other, since the closure body can thus be used with reinforcing bars of different thicknesses.
  • the closure body and / or the recesses are V-shaped on their sides facing the reinforcement bars, in the case of reinforcement bars of different thicknesses, a central mounting of the reinforcement bar can be achieved in the recess, which affects the dimensional accuracy of the component with regard to the connecting reinforcements components to be concreted is advantageous.
  • the holders are molded onto the reinforcing bars as sleeves that can be connected to the bar. A particularly robust holder is thus achieved.
  • the sleeves can be molded as a molded part directly around the reinforcing bars, which results in a very intimate connection between the sleeve and the reinforcing bar, which is advantageous for fixing the reinforcing bar.
  • the intimate connection of the reinforcing bar and the sleeve prevents an axial displacement of the reinforcing bar with respect to the sleeve and thus the bar.
  • the cuff In order to then connect the cuff to the bar, it can have a spike-like extension which interacts with an opening in the bar.
  • a spike-like extension which interacts with an opening in the bar.
  • it is proposed to rivet the mandrel-like extension after it has been inserted through the opening. This is particularly useful for thermoplastic materials.
  • FIG. 1 the lower part of a component for thermal insulation between a building and a cantilevered outer part is shown. It consists essentially of an insulating body 1 in which metallic reinforcing bars 2 are integrated. The reinforcing bars 2 extend transversely to the insulating body 1 through it and protrude on both sides, where they are connected to the connecting reinforcement, not shown, of the components to be concreted.
  • the insulating body 1 is closed at its end by a U-rail 3, the legs of which are formed by strips 4.
  • the U-rail consists of a harder material than the insulating body 1, which is usually made of polystyrene or the like.
  • the strips 4, which form the legs of the U-rail 3, have recesses 5 in which the reinforcing bar 2 is fixed.
  • the strips 4 are very narrow and therefore only carry the reinforcement bar 2 over a very short distance.
  • brackets 6 extend laterally next to the recesses and additionally fix the reinforcing bar 2 with respect to the U-rail 3 and its strips 4.
  • the recesses 5 are open towards the ledge edge 7, the holders 6 having resilient elements at the edges of their opening.
  • These resilient elements are formed by leaf spring-like spring elements 8.
  • the metal reinforcement bars can be inserted into these U-rails during manufacture of the insulating body, and the U-rails equipped in this way can then e.g. be put on the insulator from above without the risk of the reinforcing bars falling out.
  • FIG. 3 Another possibility for fixing reinforcing bars in the U-rail or in the bars forming their legs than in FIG. 1 is shown in FIG. 3, in which the same parts are provided with the same reference numbers.
  • the brackets adjoining the strips 4 laterally have latching rails 9.
  • FIG. 6 in which the strips of FIG. 3 are shown in side view, it can be seen that these locking rails are provided with a plurality of detents 10 arranged one behind the other. These catches act together with catch teeth 11 on a closure body 12 shown in FIGS. 4 and 5.
  • the reinforcement bar 2 inserted into the V-shaped recess here is as deep as possible in these recesses.
  • the closure body 12 which extends transversely to this recess, is pushed onto the strips 4.
  • the edges of the recesses of the strip 4 slide in grooves 13 which are formed on the closure body.
  • the closure body 12 presses the reinforcing bar into the V-shaped recess, the locking teeth 11 interlocking with the detents 10 of the locking rails 9 and preventing the closure body from sliding back.
  • the reinforcement bars Due to the contact forces that can thus be exerted on the reinforcement bars via the closure body, the reinforcement bars are prevented from sliding out when the U-rail is manipulated as described above with inserted reinforcement bars.
  • FIGS. 7 and 8 Another variant for securely fixing a reinforcing bar is shown in FIGS. 7 and 8, in which the same parts again have the same reference numerals are provided.
  • 2 sleeves 15 are integrally formed on the reinforcement bar, which can be connected to the strips 4.
  • the sleeves surround the reinforcement bar 2 over its entire circumference, as shown in FIG. 8.
  • they can be molded directly onto these reinforcing bars as plastic parts.
  • the cuff 15 has a spike-like extension 16 which projects through an opening 17 on the U-rail 3. Since the sleeve is molded from thermoplastic material, the portion of the spike-like extension protruding from the opening 17 can be deformed into a mushroom-shaped head 18 as shown on the left, so that the sleeve is firmly connected to the U-rail 3 and thus to the strips 4. So that the mushroom-shaped head 18 does not protrude on the outside of the U-rail, it has a recess 19 in the area of the opening 17, in which the mushroom-shaped head 18 comes to lie without applying to the outer contour of the rail.

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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)
  • Building Environments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Fireproofing Substances (AREA)

Abstract

Structural element in which the integrated metal reinforcement rods (2) are arranged in recesses (5) in the extension direction and held secure by fastening elements (6,9,15) joined to the strip (4). The recesses are open slots incorporating a strip edge (8) such that the side fastening elements (6) are open in the same direction. Each holding element has a pair of oppositely placed leaf springs (8).

Description

Die Erfindung betrifft ein Bauelement zur Wärmedämmung zwischen einem Gebäude und einem vorkragenden Außenteil, bestehend aus einem dazwischen zu verlegenden Isolierkörper mit integrierten metallischen Bewehrungsstäben, die sich quer zum Isolierkörper durch diesen hindurch erstrecken und beidseits vorstehen, wobei der Isolierkörper zumindest eine mit ihm fest verbundene Leiste aufweist, die aus einem härteren Material als der Isolierkörper besteht und an ihren den zu betonierenden Bauteilen zugewandten Seiten Ausnehmungen aufweist, in denen Bewehrungsstäbe fixiert sind.The invention relates to a component for thermal insulation between a building and a cantilevered outer part, consisting of an insulating body to be laid between them with integrated metallic reinforcing bars which extend transversely to the insulating body and protrude on both sides, the insulating body having at least one bar firmly connected to it has, which consists of a harder material than the insulating body and has on its sides facing the components to be concreted recesses in which reinforcing bars are fixed.

Derartige Bauelemente gestatten es, vorkragende Betonteile, insbesondere Balkonplatten, mit der entsprechenden Zwischendecke eines Gebäudes zu verbinden, wobei die sonst üblichen Wärmebrücken weitestgehend eliminiert werden. Derartige Bauelemente setzten sich daher in der Praxis immer stärker durch und sind inzwischen in zahlreichen Ausführungsformen bekannt. Im allgemeinen ist jeder Isolierkörper mit mehreren horizontal durchlaufenden Zug- und Druckstäben und gegebenenfalls noch mit Querkraftstäben bestückt, wobei die Anzahl der Bewehrungsstäbe von der Länge des Isolierkörpers und von den zwischen den anschließenden Betonbauteilen zu übertragenden Kräften abhängig ist. Dabei stehen insbesondere die Zugstäbe relativ weit aus dem Isolierkörper vor, damit eine ausreichende Überdeckung mit der Anschlußbewehrung der beidseits zu betonierenden Bauteile gewährleistet ist. An ihren Enden sind die Zugstäbe meist mit einem gemeinsamen Querstab verbunden, um ihre Position relativ zueinander und relativ zum Isolierkörper zu fixieren. Diese Lagefixierung kann durch Leisten übernommen werden, die fest mit dem Isolierkörper verbunden sind und aus einem härteren Material als dieser bestehen. Während der Isolierkörper aus einem Material wie Polystyrol oder einem ähnlichen schaumartigen Kunststoff besteht, bestehen die Leisten beispielsweise aus einem Vollkunststoff, Holz, Faserbeton oder ähnlichen.Components of this type allow projecting concrete parts, in particular balcony slabs, to be connected to the corresponding false ceiling of a building, with the otherwise customary thermal bridges being largely eliminated. Such components are therefore becoming increasingly popular in practice and are now known in numerous embodiments. In general, each insulating body is equipped with a plurality of horizontally continuous tension and compression bars and possibly also with transverse force bars, the number of reinforcing bars depending on the length of the insulating body and on the forces to be transmitted between the subsequent concrete components. Here stand in particular the tension rods relatively far from the insulating body, so that a sufficient coverage with the connecting reinforcement of the components to be concreted on both sides is ensured. At their ends, the tension rods are usually connected to a common cross rod in order to fix their position relative to one another and relative to the insulating body. This position can be fixed by strips that are firmly connected to the insulating body and made of a harder material than this. While the insulating body consists of a material such as polystyrene or a similar foam-like plastic, the strips are made, for example, of a solid plastic, wood, fiber concrete or the like.

Die Leisten tragen damit wesentlich zur Stabilität des ganzen Isolierkörpers bei, so daß die Gefahr verringert wird, daß der Isolierkörper während des Transportes oder bei der Handhabung auf der Baustelle zerbricht.The strips thus contribute significantly to the stability of the entire insulating body, so that the risk is reduced that the insulating body will break during transport or during handling on the construction site.

Die Leisten haben dabei den Nachteil, daß sie aufgrund ihrer geringen Dicke die Bewehrungsstäbe nur auf sehr kurzen Abschnitten halten, so daß es möglich ist, daß die Bewehrungsstäbe sich unerwünscht axial in ihrer Position verschieben oder gar ganz aus der Leiste herausfallen.The strips have the disadvantage that, due to their small thickness, they only hold the reinforcement bars over very short sections, so that it is possible that the reinforcement bars move undesirably axially in their position or even fall completely out of the bar.

Aufgabe der vorliegenden Erfindung ist es daher, einen oben beschriebenen Isolierkörper dahingehend weiterzubilden, daß ein solches Verschieben oder gar Verlieren, d.h. Herausfallen der Bewehrungsstäbe aus dem Isolierkörper unterbunden wird.It is therefore an object of the present invention to develop an insulating body described above in such a way that such displacement or even loss, ie the reinforcing bars fall out of the insulating body, is prevented.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß in Erstreckungsrichtung der Bewehrungsstäbe seitlich neben den Ausnehmungen mit der Leiste verbundene Halterungen angeordnet sind, die das Herausfallen eines Bewehrungsstabes aus einer Ausnehmung verhindern.This object is achieved in that in the direction of extension of the reinforcing bars are arranged laterally next to the recesses connected to the bar brackets that prevent a reinforcing bar from falling out of a recess.

Aufgrund dieser separaten Halterungen wird die Berührungsfläche zwischen den Bewehrungsstäben und der Leiste vergrößert, so daß hier größere Kräfte übertragen werden können. Daraus resultiert eine stärkere Fixierung des Bewehrungsstabes und es müssen erheblich höhere Kräfte als das Eigengewicht des Bewehrungsstabes aufgebracht werden, um ihn aus der Ausnehmung zu entfernen. Somit besteht kaum noch die Gefahr, daß auf der Baustelle ein Bauelement auftaucht, das während des Transportes einen Bewehrungsstab verloren hat.Due to these separate brackets, the contact area between the reinforcing bars and the bar is increased, so that larger forces can be transmitted here. This results in a stronger fixation of the reinforcing bar and considerably higher forces than the dead weight of the reinforcing bar must be applied to remove it from the recess. Thus, there is hardly any danger that a component will appear on the construction site that has lost a reinforcing bar during transport.

Bei einer Ausführungsform, bei der die Ausnehmungen zu einer Leistenkante hin offene Schlitze und die seitlichen Halterungen in die gleiche Richtung hin offen sind, weisen die Halterungen an ihren Rändern federnde Elemente auf, mit denen die Öffnung der Halterung zumindest teilweise selbsttätig verschließbar ist. Die federnden Elemente weichen beim Eindrücken der Bewehrungsstäbe in die Leiste zurück und federn nach Passieren des Bewehrungsstabes in eine Position zurück, die eine Rückwärtsbewegung des Bewehrungsstabes blockiert. Insbesondere wenn die federnden Elemente sich im wesentlichen in Richtung der Schlitze erstrecken, ist eine funktionssichere Wirkungsweise möglich.In one embodiment, in which the recesses are open towards a strip edge and the side brackets are open in the same direction, the brackets have resilient elements at their edges, with which the opening of the bracket can be at least partially closed automatically. The resilient elements recede when the reinforcing bars are pressed into the bar and, after passing through the reinforcing bar, spring back into a position that blocks a backward movement of the reinforcing bar. In particular, if the resilient elements extend essentially in the direction of the slots, a functionally reliable mode of operation is possible.

Hierzu bietet es sich an, die Halterung aus zwei gegengleich ausgebildeten blattfederartigen Federelementen auszubilden. Da hierbei an der Halterung keine verschiebbaren oder beweglichen Teile angebracht sind, die sich beim selbsttätigen Rückfedern verklemmen könnten, ist dies eine sehr vorteilhafte Ausführungsform.For this purpose, it is advisable to mount two flat spring-like spring elements to train. Since there are no displaceable or movable parts attached to the bracket that could jam during the automatic springback, this is a very advantageous embodiment.

Bei einer anderen Halterung, bei der die Ausnehmungen der Leiste zu einer Leistenkante hin offene Schlitze sind, weisen die Halterungen seitlich von den Bewehrungsstäben Rastschienen auf, die mit sich quer zu den Ausnehmungen erstreckenden Verschlußkörpern zusammenwirken. Durch die Verwendung eines in Rastschienen einrastenden Verschlußkörpers wird ebenfalls eine sichere Fixierung des Bewehrungsstabes in den Ausnehmungen erreicht.In another holder, in which the recesses in the strip are open slits towards a strip edge, the holders have locking rails on the side of the reinforcing bars, which engage with closure bodies extending transversely to the recesses. Through the use of a locking body which snaps into locking rails, a secure fixation of the reinforcement rod is also achieved in the recesses.

Dabei ist es vorteilhaft, den Verschlußkörper und/oder die Rastschienen mit einer Vielzahl von hintereinander angeordneten Rastungen auszustatten, da der Verschlußkörper so bei Bewehrungsstäben unterschiedlicher Dicke verwandt werden kann. Wenn außerdem die Verschlußkörper und/oder die Ausnehmungen an ihren den Bewehrungsstäben zugewandten Seiten V-förmig ausgebildet sind, kann bei unterschiedlich dicken Bewehrungsstäben außerdem eine in der Ausnehmung zentrische Lagerung des Bewehrungsstabes erreicht werden, was bezüglich der Maßhaltigkeit des Bauelements im Hinblick auf die Anschlußbewehrungen der zu betonierenden Bauteile vorteilhaft ist.It is advantageous to equip the closure body and / or the locking rails with a large number of catches arranged one behind the other, since the closure body can thus be used with reinforcing bars of different thicknesses. If, in addition, the closure body and / or the recesses are V-shaped on their sides facing the reinforcement bars, in the case of reinforcement bars of different thicknesses, a central mounting of the reinforcement bar can be achieved in the recess, which affects the dimensional accuracy of the component with regard to the connecting reinforcements components to be concreted is advantageous.

Bei einer weiteren Ausführungsform sind die Halterungen als mit der Leiste verbindbare Manschetten an den Bewehrungsstäben angeformt. Damit wird eine besonders wiederstandsfähige Halterung erreicht.In a further embodiment, the holders are molded onto the reinforcing bars as sleeves that can be connected to the bar. A particularly robust holder is thus achieved.

Insbesondere können die Manschetten als Spritzteil direkt um die Bewehrungsstäbe herumgeformt werden, wodurch sich zwischen Manschette und Bewehrungsstab eine sehr innige Verbindung ergibt, die für die Fixierung des Bewehrungsstabes von Vorteil ist. Insbesondere ist durch die innige Verbindung von Bewehrungsstab und Manschette dann eine axiale Verschiebung des Bewehrungsstabes bezüglich der Manschette und damit der Leiste ausgeschlossen.In particular, the sleeves can be molded as a molded part directly around the reinforcing bars, which results in a very intimate connection between the sleeve and the reinforcing bar, which is advantageous for fixing the reinforcing bar. In particular, the intimate connection of the reinforcing bar and the sleeve prevents an axial displacement of the reinforcing bar with respect to the sleeve and thus the bar.

Um die Manschette dann mit der Leiste zu verbinden, kann sie einen dornartigen Fortsatz aufweisen, der mit einer Öffnung an der Leiste zusammenwirkt. Insbesondere wird hierzu vorgeschlagen, den dornartigen Fortsatz nach dem er durch die Öffnung hindurchgesteckt ist, nietmäßig aufzuweiten. Dies bietet sich insbesondere bei thermoplastischen Werkstoffen an.In order to then connect the cuff to the bar, it can have a spike-like extension which interacts with an opening in the bar. In particular, it is proposed to rivet the mandrel-like extension after it has been inserted through the opening. This is particularly useful for thermoplastic materials.

Weitere Vorteile und Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen. Dabei zeigt

Figur 1
den unteren Teil eines Bauelements zur Wärmedämmung mit einer Leiste, die Halterungen trägt, die an den Rändern ihrer Öffnungen federnde Elemente aufweisen;
Figur 2
eine Seitenansicht der Leiste gemäß Figur 1;
Figur 3
den unteren Teil eines Bauelements zur Wärmedämmung mit einer Leiste, die Rastschienen aufweist;
Figur 4
einen mit den Rastschienen gemäß Figur 3 zusammenwirkenden Verschlußkörper;
Figur 5
Schnitt durch einen Verschlußkörper gemäß Figur 4 entlang der Linie V-V;
Figur 6
eine Seitenansicht der Leiste gemäß Figur 3;
Figur 7
den unteren Teil eines Bauelementes zur Wärmedämmung mit einer Leiste, die mit an einen Bewehrungsstab angeformten Manschetten verbunden ist;
Figur 8
eine Seitenansicht der Leiste gemäß Figur 7, teilweise aufgebrochen.
Further advantages and features of the invention result from the following description of exemplary embodiments. It shows
Figure 1
the lower part of a component for thermal insulation with a strip that carries brackets that have resilient elements at the edges of their openings;
Figure 2
a side view of the bar according to Figure 1;
Figure 3
the lower part of a component for thermal insulation with a bar that has locking rails;
Figure 4
a locking body cooperating with the locking rails according to FIG. 3;
Figure 5
Section through a closure body according to Figure 4 along the line VV;
Figure 6
a side view of the bar according to Figure 3;
Figure 7
the lower part of a component for thermal insulation with a strip which is connected to sleeves molded onto a reinforcing bar;
Figure 8
a side view of the bar according to Figure 7, partially broken.

In Figur 1 ist der untere Teil eines Bauelements zur Wärmedämmung zwischen einem Gebäude und einem vorkragenden Außenteil dargestellt. Er besteht im wesentlichen aus einem Isolierkörper 1 in den metallische Bewehrungsstäbe 2 integriert sind. Die Bewehrungsstäbe 2 erstrecken sich dabei quer zum Isolierkörper 1 durch diesen hindurch und stehen beidseits vor, wo sie mit der nicht dargestellten Anschlußbewehrung der zu betonierenden Bauteile verbunden werden. Der Isolierkörper 1 ist an seinem Ende durch eine U-Schiene 3 abgeschlossen, deren Schenkel durch Leisten 4 gebildet werden. Die U-Schiene besteht aus einem härterem Material als der üblicherweise aus Polystyrol oder ähnlichem bestehende Isolierkörper 1.In Figure 1, the lower part of a component for thermal insulation between a building and a cantilevered outer part is shown. It consists essentially of an insulating body 1 in which metallic reinforcing bars 2 are integrated. The reinforcing bars 2 extend transversely to the insulating body 1 through it and protrude on both sides, where they are connected to the connecting reinforcement, not shown, of the components to be concreted. The insulating body 1 is closed at its end by a U-rail 3, the legs of which are formed by strips 4. The U-rail consists of a harder material than the insulating body 1, which is usually made of polystyrene or the like.

Die Leisten 4, die die Schenkel der U-Schiene 3 bilden, weisen Ausnehmungen 5 auf, in denen der Bewehrungsstab 2 fixiert ist. Die Leisten 4 sind sehr schmal und tragen deswegen den Bewehrungsstab 2 nur auf einer sehr kurzen Strecke. Seitlich neben den Ausnehmungen erstrecken sich deswegen Halterungen 6, die den Bewehrungsstab 2 zusätzlich bezüglich der U-Schiene 3 und deren Leisten 4 fixieren.
In der Figur 2 ist hierzu zu erkennen, daß die Ausnehmungen 5 zur Leistenkante 7 hin offen sind, wobei die Halterungen 6 an den Rändern ihrer Öffnung federnde Elemente aufweist. Diese federnden Elemente werden durch blattfederartige Federelemente 8 gebildet. Beim Einbringen eines Bewehrungsstabes 2 in die Halterung biegen sich die Federelemente 8 zur Seite und lassen den Bewehrungsstab passieren. Dann schnappen sie in ihre Ursprungsposition zurück und versperren dem Bewehrungsstab seinen Rückweg, indem Sie die Öffnung der Halterung dabei zumindest teilweise selbsttätig wieder verschließen.
The strips 4, which form the legs of the U-rail 3, have recesses 5 in which the reinforcing bar 2 is fixed. The strips 4 are very narrow and therefore only carry the reinforcement bar 2 over a very short distance. For this reason, brackets 6 extend laterally next to the recesses and additionally fix the reinforcing bar 2 with respect to the U-rail 3 and its strips 4.
In this regard, it can be seen in FIG. 2 that the recesses 5 are open towards the ledge edge 7, the holders 6 having resilient elements at the edges of their opening. These resilient elements are formed by leaf spring-like spring elements 8. When inserting a reinforcement bar 2 into the holder, the spring elements 8 bend to the side and let the reinforcement bar pass. Then they snap back into their original position and block the reinforcement bar from returning by at least partially closing the opening of the bracket automatically.

Da auch das obere Ende des in Figur 1 dargestellten Isolierkörpers 1 mit einer entsprechenden U-Schiene abgeschlossen wird, können bei der Fertigung des Isolierkörpers die metallischen Bewehrungsstäbe jeweils in diese U-Schienen eingesetzt werden und die derart bestückten U-Schienen können dann z.B. von oben auf den Isolierkörper gestülpt werden, ohne daß dabei die Gefahr besteht, daß die Bewehrungsstäbe herausfallen.Since the upper end of the insulating body 1 shown in FIG. 1 is also terminated with a corresponding U-rail, the metal reinforcement bars can be inserted into these U-rails during manufacture of the insulating body, and the U-rails equipped in this way can then e.g. be put on the insulator from above without the risk of the reinforcing bars falling out.

Eine andere Möglichkeit, Bewehrungsstäbe in der U-Schiene bzw. in deren Schenkel bildenden Leisten zu fixieren als in der Figur 1, ist in der Figur 3 dargestellt, in der gleiche Teile mit gleichen Bezugsziffern versehen sind.Another possibility for fixing reinforcing bars in the U-rail or in the bars forming their legs than in FIG. 1 is shown in FIG. 3, in which the same parts are provided with the same reference numbers.

Bei der in der Figur 3 dargestellten Variante weisen die sich seitlich an die Leisten 4 anschließenden Halterungen Rastschienen 9 auf. In der Figur 6, in der die Leisten der Figur 3 in der Seitenansicht dargestellt sind, erkennt man, daß diese Rastschienen mit einer Vielzahl von hintereinander angeordneten Rastungen 10 versehen sind. Diese Rastungen wirken zusammen mit Rastzähnen 11 an einem in den Figuren 4 und 5 dargestellten Verschlußkörper 12.In the variant shown in FIG. 3, the brackets adjoining the strips 4 laterally have latching rails 9. In FIG. 6, in which the strips of FIG. 3 are shown in side view, it can be seen that these locking rails are provided with a plurality of detents 10 arranged one behind the other. These catches act together with catch teeth 11 on a closure body 12 shown in FIGS. 4 and 5.

Der in die hier V-förmig ausgebildete Ausnehmung eingelegte Bewehrungsstab 2 liegt so tief wie es ihm möglich ist in diesen Ausnehmungen. Dann wird der sich quer zu dieser Ausnehmung erstreckende Verschlußkörper 12 auf die Leisten 4 aufgesteckt. Dabei gleiten die Ränder der Ausnehmungen der Leiste 4 in Nuten 13, die am Verschlußkörper ausgebildet sind. Mit seiner ebenfalls V-förmig ausgebildeten Unterseite 14 drückt dabei der Verschlußkörper 12 den Bewehrungsstab in die V-förmige Ausnehmung, wobei gleichzeitig die Rastzähne 11 sich mit den Rastungen 10 der Rastschienen 9 verhaken und ein Zurückgleiten des Verschlußkörpers verhindern.The reinforcement bar 2 inserted into the V-shaped recess here is as deep as possible in these recesses. Then the closure body 12, which extends transversely to this recess, is pushed onto the strips 4. The edges of the recesses of the strip 4 slide in grooves 13 which are formed on the closure body. With its also V-shaped underside 14, the closure body 12 presses the reinforcing bar into the V-shaped recess, the locking teeth 11 interlocking with the detents 10 of the locking rails 9 and preventing the closure body from sliding back.

Durch die damit über den Verschlußkörper auf die Bewehrungsstäbe ausübbaren Anpreßkräfte wird bei einer wie oben beschriebenen Handhabung der U-Schiene mit eingelegten Bewehrungsstäben ein Herausgleiten der Bewehrungsstäbe verhindert.Due to the contact forces that can thus be exerted on the reinforcement bars via the closure body, the reinforcement bars are prevented from sliding out when the U-rail is manipulated as described above with inserted reinforcement bars.

Eine weitere Variante zur sicheren Fixierung eines Bewehrungsstabes ist in den Figuren 7 und 8 dargestellt, in der wieder gleiche Teile mit gleichen Bezugszeichen versehen sind. Hier sind an den Bewehrungsstab 2 Manschetten 15 angeformt, die mit den Leisten 4 verbindbar sind. Die Manschetten umgreifen den Bewehrungsstab 2 an seinem ganzen Umfang, wie in der Figur 8 dargestellt ist. Sie können insbesondere als Kunststoffteile direkt an diese Bewehrungsstäbe angespritzt werden.Another variant for securely fixing a reinforcing bar is shown in FIGS. 7 and 8, in which the same parts again have the same reference numerals are provided. Here 2 sleeves 15 are integrally formed on the reinforcement bar, which can be connected to the strips 4. The sleeves surround the reinforcement bar 2 over its entire circumference, as shown in FIG. 8. In particular, they can be molded directly onto these reinforcing bars as plastic parts.

An ihrem unteren Ende weist die Manschette 15 einen dornartigen Fortsatz 16 auf, der durch eine Öffnung 17 an der U-Schiene 3 hindurchragt. Da die Manschette aus thermoplastischen Kunststoff geformt ist, kann der aus der Öffnung 17 herausragende Abschnitt des dornartigen Fortsatzes wie links dargestellt zu einem pilzförmigen Kopf 18 verformt werden, so daß die Manschette fest mit der U-Schiene 3 und damit den Leisten 4 verbunden ist. Damit der pilzförmige Kopf 18 nicht an der Außenseite der U-Schiene aufträgt, weist diese im Bereich der Öffnung 17 eine Vertiefung 19 auf, in der der pilzförmige Kopf 18 zu liegen kommt ohne auf die Außenkontour der Schiene aufzutragen.At its lower end, the cuff 15 has a spike-like extension 16 which projects through an opening 17 on the U-rail 3. Since the sleeve is molded from thermoplastic material, the portion of the spike-like extension protruding from the opening 17 can be deformed into a mushroom-shaped head 18 as shown on the left, so that the sleeve is firmly connected to the U-rail 3 and thus to the strips 4. So that the mushroom-shaped head 18 does not protrude on the outside of the U-rail, it has a recess 19 in the area of the opening 17, in which the mushroom-shaped head 18 comes to lie without applying to the outer contour of the rail.

Nach dem also der Bewehrungsstab 2 mit entsprechenden Manschetten 15 versehen ist, wird er mit diesem in die U-Schiene 3 eingeführt und über die Fortsätze 16 fest mit der Schiene verbunden. Damit ist auch bei dieser Variante eine beliebige Handhabung der mit metallischen Bewehrungsstäben versehenen U-Schiene möglich, ohne daß die Gefahr besteht, daß die metallischen Bewehrungsstäbe aus der U-Schiene 3 bzw. den Leisten 4 herausfallen.After the reinforcement bar 2 has been provided with corresponding sleeves 15, it is inserted with it into the U-rail 3 and firmly connected to the rail via the extensions 16. With this variant, any handling of the U-rail provided with metallic reinforcing bars is possible without the risk that the metallic reinforcing bars will fall out of the U-rail 3 or the strips 4.

Claims (10)

Bauelement zur Wärmedämmung zwischen einem Gebäude und einem vorkragenden Außenteil, bestehend aus einem dazwischen zu verlegenden Isolierkörper (1) mit integrierten metallischen Bewehrungsstäben (2), die sich quer zum Isolierkörper (1) durch diesen hindurch erstrecken und beidseits vorstehen, wobei der Isolierkörper zumindest eine mit ihm fest verbundene Leiste (4) aufweist, die aus einem härteren Material als der Isolierkörper (1) besteht und an ihren den zu betonierenden Bauteilen zugewandten Seiten Ausnehmungen (5) aufweist, in denen Bewehrungsstäbe (2) fixiert sind,
dadurch gekennzeichnet,
daß in Erstreckungsrichtung der Bewehrungsstäbe (2) seitlich neben den Ausnehmungen (5) mit der Leiste (4) verbundene Halterungen (6, 9, 15) angeordnet sind, die das Herausfallen eines Bewehrungsstabes (2) aus einer Ausnehmung (5) verhindern.
Component for thermal insulation between a building and a cantilevered outer part, consisting of an insulating body (1) to be laid between them with integrated metallic reinforcing bars (2) which extend transversely to the insulating body (1) and protrude on both sides, the insulating body at least one has a bar (4) firmly connected to it, which consists of a harder material than the insulating body (1) and has recesses (5) on its sides facing the components to be concreted, in which reinforcing bars (2) are fixed,
characterized,
that in the direction of extension of the reinforcing bars (2) laterally next to the recesses (5) with the bar (4) connected brackets (6, 9, 15) are arranged, which prevent a reinforcing bar (2) from falling out of a recess (5).
Bauelement gemäß Anspruch 1,
dadurch gekennzeichnet,
daß die Ausnehmungen (5) zu einer Leistenkante (8) in offene Schlitze sind, wobei die seitlichen Halterungen (6) in die gleiche Richtung hin offen sind und an den Rändern ihrer Öffnungen federnde Elemente (8) aufweisen, mit denen die Öffnung der Halterung zumindest teilweise selbsttätig verschließbar ist.
Component according to Claim 1,
characterized,
that the recesses (5) to a ledge edge (8) in open slots, the side brackets (6) are open in the same direction and have resilient elements (8) at the edges of their openings, with which the opening of the bracket is at least partially closable automatically.
Bauelement gemäß Anspruch 2,
dadurch gekennzeichnet,
daß die federnden Elemente (8) sich im wesentlichen in Richtung der Schlitze erstrecken.
Component according to Claim 2,
characterized,
that the resilient elements (8) extend substantially in the direction of the slots.
Bauelement gemäß Anspruch 2,
dadurch gekennzeichnet,
daß jede Halterung (6) zwei gegengleich ausgebildete blattfederartige Federelemente (8) aufweist.
Component according to Claim 2,
characterized,
that each holder (6) has two leaf spring-like spring elements (8) of opposite design.
Bauelement gemäß Anspruch 1,
dadurch gekennzeichnet,
daß die Ausnehmungen (5) zu einer Leistenkante (8) hin offene Schlitze sind und die Halterungen seitlich von den Bewehrungsstäben (2) Rastschienen (9) aufweisen, die mit sich quer zu den Ausnehmungen (5) erstreckenden Verschlußkörpern (12) zusammenwirken.
Component according to Claim 1,
characterized,
that the recesses (5) to a ledge edge (8) open slots and the brackets laterally from the reinforcing bars (2) have locking rails (9) which cooperate with transversely to the recesses (5) extending closure bodies (12).
Bauelement gemäß Anspruch 5,
dadurch gekennzeichnet,
daß die Verschlußkörper (12) und/oder die Rastschienen (9) eine Vielzahl von hintereinander angeordneten Rastungen (11/10) aufweisen.
Component according to Claim 5,
characterized,
that the closure body (12) and / or the locking rails (9) have a plurality of detents (11/10) arranged one behind the other.
Bauelement gemäß Anspruch 5,
dadurch gekennzeichnet,
daß die Verschlußkörper (12) und/oder die Ausnehmungen (5) an ihren den Bewehrungsstäben (2) zugewandten Seiten (14) V-förmig ausgebildet sind.
Component according to Claim 5,
characterized,
that the closure body (12) and / or the recesses (5) on their reinforcement bars (2) facing sides (14) are V-shaped.
Bauelement gemäß Anspruch 1,
dadurch gekennzeichnet,
daß die Halterungen als Manschetten (16) an den Bewehrungsstäben (2) angeformt sind, die mit der Leiste (4) verbindbar sind.
Component according to Claim 1,
characterized,
that the brackets are formed as sleeves (16) on the reinforcing bars (2), which can be connected to the bar (4).
Bauelement gemäß Anspruch 8,
dadurch gekennzeichnet,
daß die Manschetten (15) als Spritzteile um die Bewehrungsstäbe (2) herum geformt sind.
Component according to Claim 8,
characterized,
that the sleeves (15) are molded as molded parts around the reinforcing bars (2).
Bauelement gemäß Anspruch 8,
dadurch gekennzeichnet,
daß die Manschette (15) einen dornartigen Fortsatz (16) aufweist, der mit einer Öffnung (17) an der Leiste (3, 4) zusammenwirkt.
Component according to Claim 8,
characterized,
that the sleeve (15) has a spike-like extension (16) which cooperates with an opening (17) on the bar (3, 4).
EP95108109A 1994-07-05 1995-05-27 Structural member for heat isolation at buildings Expired - Lifetime EP0695838B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4423413 1994-07-05
DE4423413A DE4423413A1 (en) 1994-07-05 1994-07-05 Component for thermal insulation in buildings

Publications (3)

Publication Number Publication Date
EP0695838A2 true EP0695838A2 (en) 1996-02-07
EP0695838A3 EP0695838A3 (en) 1996-04-24
EP0695838B1 EP0695838B1 (en) 1998-08-26

Family

ID=6522220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95108109A Expired - Lifetime EP0695838B1 (en) 1994-07-05 1995-05-27 Structural member for heat isolation at buildings

Country Status (3)

Country Link
EP (1) EP0695838B1 (en)
AT (1) ATE170250T1 (en)
DE (2) DE4423413A1 (en)

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DE19638538A1 (en) * 1996-09-20 1998-03-26 Schoeck Bauteile Gmbh Component for thermal insulation
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DE19731093B4 (en) * 1997-07-19 2004-07-15 Schöck Bauteile GmbH Component for thermal insulation
GR20070100118A (en) * 2007-02-23 2008-09-19 Βασιλειος Αθανασιου Τσακωνας Immobilization part of iron reinforcement.

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Also Published As

Publication number Publication date
EP0695838B1 (en) 1998-08-26
DE4423413A1 (en) 1996-01-11
DE59503320D1 (en) 1998-10-01
EP0695838A3 (en) 1996-04-24
ATE170250T1 (en) 1998-09-15

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