EP0933482B1 - Prefabricated element for cantilevered balcony slab - Google Patents

Prefabricated element for cantilevered balcony slab Download PDF

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Publication number
EP0933482B1
EP0933482B1 EP98122818A EP98122818A EP0933482B1 EP 0933482 B1 EP0933482 B1 EP 0933482B1 EP 98122818 A EP98122818 A EP 98122818A EP 98122818 A EP98122818 A EP 98122818A EP 0933482 B1 EP0933482 B1 EP 0933482B1
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EP
European Patent Office
Prior art keywords
insulating body
accordance
construction element
prefabricated construction
foregoing
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EP98122818A
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German (de)
French (fr)
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EP0933482A2 (en
EP0933482A3 (en
Inventor
Herbert H. Dr. Kahmer
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Kahmer Herbert H Dr
Orth Wilhelm Dipl-Ing
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Kahmer Herbert H Dr
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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

Definitions

  • the invention relates to a prefabricated component for a cantilever Balcony slab according to the preamble of the main claim.
  • Prefabricated components for the formation of balcony slabs have the task not only the required load-bearing capacity for the balcony slab create, but must also be connected to the main structure be that on the one hand a power transmission in the Main structure takes place when the balcony slab is loaded, on the other hand heat transfer is prevented as possible, so that in winter such balcony slabs no cold bridges for that Represent main structure.
  • a prefabricated component is described in DE 94 17 777 U1.
  • an insulating body on the edge of a Filigree collar plate arranged and those provided in the insulating body Reinforcing bars are in the filigree cantilever cast in a precast plant.
  • Reinforcing bars are in the filigree cantilever cast in a precast plant.
  • pressure plates provided that connected with pressure link reinforcement bars are.
  • connection means that on the one hand connect to the reinforcement of the main structure, on the other hand the connection to the reinforcement of the balcony slab enable forming prefabricated component, but with from Concrete existing thrust bearings in the lower area, d. H. so in The height of the precast slabs connects to the main structure.
  • the use of such thrust bearings made of concrete is essential less expensive than a connection via metal components, especially compared to stainless steel, which has a high thermal conductivity having. It was found that when in the Insulating bodies, for example, every 17 cm through openings of a size 5 x 5 cm, d. H.
  • the generic DE 196 52 165 A proposes a prefabricated Insulating body and a special, using this insulating body Precast plate with special thrust bearings, whereby the thrust bearings do not belong to the prefabricated insulating body, but with the precast slab made from one or two concrete mixes, but be made as a unit.
  • the present invention has for its object the manufacture to improve the generic prefabricated component, by enabling the highest possible series production.
  • the actual insulation body with regard to its lower area is always produced consistently in series production and that a prefabricated cuboid is used, which in different Strengths of the material mixture in an economical Series production can be made.
  • the mix of materials can be used as high strength concrete, as fiberglass concrete, as Steel fiber reinforced concrete or plastic fiber reinforced concrete his. According to a particular proposal of the invention plastic is also used here.
  • the cuboid preferably has one greater length than the width of the insulation body, so that it protrudes outwards beyond the insulation body and is here with Anchoring means equipped that a good integration in enable the in-situ concrete mass to be applied to the precast slab.
  • the lower area of the insulation body is the insulation body has completely traversing recess and the thrust bearing through one inserted or filled into the recess Material mixture with low thermal conductivity and high Compressive strength is formed. It is also possible here in the Recess to use a prefabricated component, so that through this arrangement the advantages of the invention are preserved.
  • the thrust bearings are not above the Insulating body towards the building and are not with firmly connected to the building, so that no unwanted ones Tensions can occur.
  • the insulating body can be divided into individual elements, so that easier handling or adaptation to different large precast panels is possible.
  • the transverse force supports can be dovetail-shaped Precast elements to be formed in the precast production facility with the precast slab and the Insulation bodies are connected.
  • insulating body 1 which is made of an insulating material exists that is poorly heat conductive.
  • the Insulating bodies 1 are incorporated in the upper area of tension rods 2 and in the central area, shear bars 3, the shear bars 3, as clearly shown in FIGS. 2 and 3, the Cross the insulation body at an angle.
  • Both the tie rods 2 as the shear bars 3 are preferably made of stainless steel, which is less thermally conductive than normal steel is, preferably so-called V4A steel.
  • recesses 4 can be seen, which are used to form thrust bearings 5, the recesses being 10 - 70 cm 2 in size, for example 5 ⁇ 5 cm, being 17 cm apart, while the entire insulating body has a length of 1.05 m.
  • the recesses 4 of the insulating body 1 below close.
  • the underside of the insulating body 1 can, for example covered by a continuous adhesive strip his. This holds the bottom of the insulating body 1 over the length seen together and prevents the Move the insulation body 1 apart in a fan-like manner below can bend. Furthermore, damage to the webs avoided between the recesses 4.
  • the tape which can consist of plastic, metal or the like, can later be removed to allow a visual inspection of the thrust bearing 5.
  • others can Cover materials may be provided, possibly even non-removable Covering materials:
  • the recesses 4 do not necessarily have to open on the lower edge of the insulation body.
  • the sliding layer 26 can have a thickness of 0.5 to 1 mm and corresponds in height to the height of Thrust bearing 5 and can either over the entire length of the Insulating body 1 run or only in the area of the thrust bearing 5 to be ordered.
  • the insulating body 1 has a width of 8 cm and a Can have a height of 20 cm.
  • the insulating body 1 is in the illustrated embodiment constructed in two parts: the z. B. oblique dividing line between the upper part and the lower part of the insulating body 1 in the inclined plane along which the shear bars 3 run with its sloping middle section. In this way, the shear bars 3 in a simple manner be placed on the lower part of the insulating body 1, so that a quick assembly with little time is supported becomes.
  • Tension rods 2 can be through slots in the upper part of the Insulating body 1 are provided, inserted in this upper part are, so that a very quick assembly is also supported here becomes. As an alternative to such slots, provision can be made only perforations in the upper part of the insulating body 1 provided.
  • the generic state of the art proposes that 3 shear supports are provided instead of the shear bars become. These shear force supports are achieved in that the insulation body seen in top view dovetailed Recesses are provided in the one in the precast production facility applied concrete can flow.
  • a shear support 25 is provided as a finished part made of a material mixture is produced and inserted into the insulating body and then in the precast production facility during casting the precast panel is integrated.
  • too last lattice bar to be covered with expanded metal the exclusion of the in-situ concrete towards the free end of the precast slab 6 shields.
  • the transverse force 25 can be applied with a sliding layer 26 be provided.
  • a prefabricated plate 6 can be seen, of which the lattice girder 11 and the connecting rod 9 connecting them can be seen.
  • the procedure is such that previously a concrete mix in the area of the recesses 4 is used to form a thrust bearing 5, the high Compressive strength, but has a low thermal conductivity has, these properties through appropriate additives can be achieved.
  • the finished cast prefabricated plate 6 thus engages with a thrust bearing 5 in the recesses 4, so that that shown in Fig. 2 Finished part is created in a finished part production facility, which are now attached to the building on the spot can. Then the space recognizable from FIG In-situ concrete backfilled, creating a connection between the building side In-situ concrete and the in-situ concrete of the balcony slab created is and whereby the shear force wire 3 on all sides of Concrete is surrounded. It is therefore protected against corrosion, so that it does not have to be made of stainless steel.
  • cuboids 20 are in the in the insulating body 1 provided recesses 4 cuboids 20 inserted, which are prefabricated and thus in the adapted different Strengths can be created. These cuboids exist z. B. made of concrete, preferably high strength Concrete, but it can also be fiberglass, steel fiber or Plastic fiber concrete can be used. The use of Plastic is possible. As can be clearly seen from FIG. 3, the cuboid 20 has a greater length than the width of the Insulating body 1 and is thus on the precast panel 6th facing side over the front edge of the insulating body 1 about.
  • the cuboid 20 can be made of the same material have provided anchoring teeth 23 and in the Cuboid can be used a demolition reinforcement 22, which that the cuboid 20 is prefabricated, exactly in the middle of the Cuboid is installed and used and with the reinforcement the precast plate 6 can be connected.
  • the insulating body 1 at its top slots 12 in which the tie rods 2 are inserted can be, while continuing in this insulation body 1 also not shown transverse force rods can be incorporated can.
  • the insulating body 1 On its underside, the insulating body 1 essentially has A recess extends over its entire length 13, which is either rectangular in section or but can also be designed so that the top of the recess 13 tilts from one side to the other so that a recess 13 is achieved, the average two right angles and has two angles, one larger and one is less than 90 °.
  • the section line 14 indicates that the insulating body 1 as well as the insulating body according to FIG. 1 can also be formed in two parts, this cutting line does not have to run obliquely.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Building Environments (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Floor Finish (AREA)

Abstract

The unit has insulation prefabricated insulation bodies (1) having slots spaced along their length for receiving tension rods. A recess is provided in the lower region of the insulation bodies, which passes straight through, and a compression zone is formed from a concrete mixture with relatively low insulating properties and a high compressive strength, which is poured into the recess.

Description

Die Erfindung bezieht sich auf ein Fertigbauteil für eine auskragende Balkonplatte gemäß dem Oberbegriff des Hauptanspruches.The invention relates to a prefabricated component for a cantilever Balcony slab according to the preamble of the main claim.

Fertigbauteile zur Bildung von Balkonplatten haben die Aufgabe, nicht nur die erforderliche Tragfestigkeit für die Balkonplatte zu schaffen, sondern müssen auch so an das Hauptbauwerk angeschlossen werden, daß einerseits eine Kraftübertragung in das Hauptbauwerk bei Belastung der Balkonplatte erfolgt, andererseits eine Wärmeübertragung möglichst verhindert wird, so daß im Winter derartige Balkonplatten keine Kältebrücken für das Hauptbauwerk darstellen.Prefabricated components for the formation of balcony slabs have the task not only the required load-bearing capacity for the balcony slab create, but must also be connected to the main structure be that on the one hand a power transmission in the Main structure takes place when the balcony slab is loaded, on the other hand heat transfer is prevented as possible, so that in winter such balcony slabs no cold bridges for that Represent main structure.

Ein Fertigbauteil wird in der DE 94 17 777 U1 beschrieben. Bei dieser bekannten Anordnung wird ein Dämmkörper am Rand einer Filigrankragplatte angeordnet und die im Dämmkörper vorgesehenen Bewehrungseisen werden in die Filigrankragplatte in einem Fertigbauteilwerk eingegossen. Zusätzlich sind Druckplatten vorgesehen, die mit Druckglieder-Bewehrungseisen verbunden sind.A prefabricated component is described in DE 94 17 777 U1. at this known arrangement is an insulating body on the edge of a Filigree collar plate arranged and those provided in the insulating body Reinforcing bars are in the filigree cantilever cast in a precast plant. In addition there are pressure plates provided that connected with pressure link reinforcement bars are.

Auch aus dem DE 94 20 560 U1 ist ein wärmedämmendes Anschlußstück bekanntgeworden, bei welchem die im Dämmkörper angeordneten Drucklager durch Metallstäbe gebildet werden, die an den Enden mit Druckplatten ausgerüstet sind. Die Stäbe bestehen dabei aus Edelstahl ebenso die Druckplatten, die aus Edelstahl gefertigt sein können und aber in das eigentliche Gebäude, an das die Balkonplatte angeschlossen werden soll, über das Anschlußstück überstehen, so daß hier unerwünschte Spannungen auftreten.From DE 94 20 560 U1 there is a heat-insulating connector became known, in which the insulation arranged thrust bearing are formed by metal rods that are equipped with pressure plates at the ends. The bars exist stainless steel as well as the pressure plates Stainless steel can be made and but in the actual building, to which the balcony slab is to be connected, via survive the connector, so that undesirable here Tensions occur.

In der gattungsbildenden DE 196 52 165 A wird ein Dämmkörper vorgeschlagen, der mit Anschlußmitteln ausgerüstet ist, die einerseits an die Bewehrung des Hauptbauwerkes anschließen, andererseits den Anschluß an die Bewehrung des die Balkonplatte bildenden Fertigbauteiles ermöglichen, dabei aber mit aus Beton bestehenden Drucklagern im unteren Bereich, d. h. also in Höhe der Fertigteilplatten an das Hauptbauwerk anschließt. Der Einsatz derartiger, aus Beton bestehender Drucklager ist wesentlich kostengünstiger als ein Anschluß über Metallbauteile, insbesondere gegenüber Edelstahl, der einen hohen Wärmeleitwert aufweist. Hierbei wurde festgestellt, daß, wenn in dem Dämmkörper beispielsweise alle 17 cm durchgehende Öffnungen von einer Größe 5 x 5 cm, d. h. Breite x Höhe vorgesehen werden, diese Öffnungen dann mit normalen, eine Betonfestigkeit von B 25 aufweisenden Elementen verfüllt werden, diese Elemente aufgrund ihrer Geometrie eine Betonfestigkeit von B 45 aufweisen. Die Aussparungen werden dabei mit einer Betonmischung ausgefüllt, die einen niedrigen Wärmeleitwert aufweist, wobei aber gleichzeitig durch die Geometrie für diese Zähne oder Drucklager eine hohe Festigkeit erreicht wird.In the generic DE 196 52 165 A an insulating body proposed that is equipped with connection means that on the one hand connect to the reinforcement of the main structure, on the other hand the connection to the reinforcement of the balcony slab enable forming prefabricated component, but with from Concrete existing thrust bearings in the lower area, d. H. so in The height of the precast slabs connects to the main structure. The The use of such thrust bearings made of concrete is essential less expensive than a connection via metal components, especially compared to stainless steel, which has a high thermal conductivity having. It was found that when in the Insulating bodies, for example, every 17 cm through openings of a size 5 x 5 cm, d. H. Width x height provided then, these openings with normal, a concrete strength elements filled with B 25, these Elements have a concrete strength of B 45 have. The recesses are made with a concrete mix filled out, which has a low thermal conductivity, but at the same time by the geometry for this Teeth or thrust bearing high strength is achieved.

Die gattungsbildende DE 196 52 165 A schlägt einen vorgefertigten Dämmkörper und eine spezielle, diesen Dämmkörper verwendende Fertigteilplatte mit speziellen Drucklagern vor, wobei die Drucklager nicht zu dem vorgefertigten Dämmkörper gehören, sondern mit der Fertigteilplatte aus einer oder zwei Betonmischungen, aber als eine Einheit gefertigt werden. The generic DE 196 52 165 A proposes a prefabricated Insulating body and a special, using this insulating body Precast plate with special thrust bearings, whereby the thrust bearings do not belong to the prefabricated insulating body, but with the precast slab made from one or two concrete mixes, but be made as a unit.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, die Herstellung des gattungsbildenden Fertigbauteiles noch zu verbessern, indem eine möglichst hohe Serienfertigung ermöglicht wird.The present invention has for its object the manufacture to improve the generic prefabricated component, by enabling the highest possible series production.

Diese der Erfindung zugrundeliegende Aufgabe wird durch die Lehre des Hauptanspruches gelöst. This object of the invention is achieved by Teaching of the main claim solved.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen erläutert.Advantageous embodiments of the invention are in the subclaims explained.

Mit anderen Worten ausgedrückt wird vorgeschlagen, daß der eigentliche Dämmkörper hinsichtlich seines unteren Bereiches immer gleichbleibend in Serienproduktion hergestellt wird und daß ein vorgefertigter Quader eingesetzt wird, der in unterschiedlichen Festigkeiten der Materialmischung in wirtschaftlicher Serienproduktion hergestellt werden kann. Die Materialmischung kann als hochfester Beton, als Glasfaserbeton, als Stahlfaserbeton oder auch Kunststofffaserbeton ausgebildet sein. Gemäß einem besonderen Vorschlag der Erfindung kann hier auch Kunststoff eingesetzt werden.In other words, it is suggested that the actual insulation body with regard to its lower area is always produced consistently in series production and that a prefabricated cuboid is used, which in different Strengths of the material mixture in an economical Series production can be made. The mix of materials can be used as high strength concrete, as fiberglass concrete, as Steel fiber reinforced concrete or plastic fiber reinforced concrete his. According to a particular proposal of the invention plastic is also used here.

Durch die durch die Herstellung ermöglichte Genauigkeit dieses Quaders ist es möglich, eine exakt mittige Lage einer Abrißbewehrung in dem Quader vorzusehen, die über die Vorderkante des Quaders vorsteht. Vorzugsweise weist der Quader eine größere Länge als die Breite des Dämmkörpers auf, so daß er nach außen über den Dämmkörper vorsteht und ist hier mit Verankerungsmitteln ausgerüstet, die eine gute Einbindung in die auf der Fertigteilplatte aufzubringende Ortbetonmasse ermöglichen.Due to the accuracy made possible by the manufacture of this Rectangular, it is possible to position a demolition reinforcement exactly in the center to be provided in the cuboid, over the leading edge of the cuboid. The cuboid preferably has one greater length than the width of the insulation body, so that it protrudes outwards beyond the insulation body and is here with Anchoring means equipped that a good integration in enable the in-situ concrete mass to be applied to the precast slab.

Gemäß einem weiteren Vorschlag der Erfindung ist vorgesehen, daß der untere Bereich des Dämmkörpers eine den Dämmkörper ganz durchquerende Aussparung aufweist und das Drucklager durch eine in die Aussparung eingesetzte oder eingefüllte Materialmischung mit niedriger Wärmeleitfähigkeit und hoher Druckfestigkeit gebildet wird. Auch hier ist es möglich, in die Aussparung ein Fertigbauteil einzusetzen, so daß auch durch diese Anordnung die Vorteile der Erfindung gewahrt werden.According to a further proposal of the invention, that the lower area of the insulation body is the insulation body has completely traversing recess and the thrust bearing through one inserted or filled into the recess Material mixture with low thermal conductivity and high Compressive strength is formed. It is also possible here in the Recess to use a prefabricated component, so that through this arrangement the advantages of the invention are preserved.

Gemäß der Erfindung stehen die Drucklager nicht über den Dämmkörper in Richtung zum Gebäude vor und sind nicht mit dem Gebäude fest verbunden, so daß hier keine unerwünschten Spannungen auftreten können.According to the invention, the thrust bearings are not above the Insulating body towards the building and are not with firmly connected to the building, so that no unwanted ones Tensions can occur.

Um in diesem Bereich unerwünschte Spannungen, die aus Temperaturunterschieden entstehen können, sicher zu vermeiden, wird gemäß einem weiteren wesentlichen Merkmal der Erfindung vorgeschlagen, daß wenigstens die zum Gebäude hin gerichtete Seite der Drucklager durch eine Gleitschicht abgedeckt wird, die beispielsweise aus einem hochfesten Kunststoff, wie Teflon, besteht, wobei diese Schicht beispielsweise eine Stärke von 0,5 bis 1 mm aufweisen kann.To avoid unwanted tensions in this area Temperature differences can arise, safely avoid is according to another essential feature of the invention suggested that at least those facing the building facing side of the thrust bearing covered by a sliding layer made of a high-strength plastic, like Teflon, this layer being, for example, a May have a thickness of 0.5 to 1 mm.

Der Dämmkörper kann in Einzelelemente aufgeteilt sein, so daß eine leichtere Handhabung bzw. Anpassung an unterschiedlich große Fertigteilplatten möglich ist.The insulating body can be divided into individual elements, so that easier handling or adaptation to different large precast panels is possible.

Gemäß der Erfindung können die Querkraftstützen als schwalbenschwanzförmige Fertigteilelemente ausgebildet sein, die in der Fertigteilproduktionsstätte mit der Fertigteilplatte und dem Dämmkörper verbunden werden.According to the invention, the transverse force supports can be dovetail-shaped Precast elements to be formed in the precast production facility with the precast slab and the Insulation bodies are connected.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnungen erläutert.Exemplary embodiments of the invention are described below of the drawings explained.

Die Zeichnungen zeigen dabei in

Fig. 1
schaubildlich eine Ansicht auf einen Dämmkörper mit eingesetzten Zugstäben und Querkraftstäben, in
Fig. 2
ein Fertigbauteil, bestehend aus einer Fertigteilplatte, angegossenem Dämmkörper und eingesetzten Gitterträgern und Zug- und Querkraftstäben, in
Fig. 3
einen Dämmkörper mit als Fertigbauteil ausgebildeten und eingesetzten Quadern, in
Fig. 4
einen Dämmkörper, der in Einzelelemente aufgelöst ist, in
Fig. 5
ein Dämmkörper-Einzelelement, in dem die Wirkkraftstäbe angeordnet sind, in
Fig. 6
ein Fertigbauteil als Querkraftstütze, in
Fig. 7
einen Quader in perspektivischer Ansicht und in
Fig. 8
eine abgeänderte Ausführungsform des in Fig. 1 dargestellten Dämmkörpers.
The drawings show in
Fig. 1
a view of an insulating body with inserted tension rods and shear force rods, in
Fig. 2
a prefabricated component, consisting of a prefabricated panel, cast insulation and inserted lattice girders and tension and shear bars, in
Fig. 3
an insulating body with cuboids designed and used as prefabricated components, in
Fig. 4
an insulation body, which is broken down into individual elements, in
Fig. 5
an insulating element, in which the active force rods are arranged in
Fig. 6
a prefabricated component as a shear support, in
Fig. 7
a cuboid in perspective view and in
Fig. 8
a modified embodiment of the insulating body shown in Fig. 1.

In Fig. 1 ist ein Dämmkörper 1 dargestellt, der aus einem Isoliermaterial besteht, das schlecht wärmeleitend ist. In den Dämmkörper 1 eingearbeitet sind im oberen Bereich Zugstäbe 2 und im mittleren Bereich Querkraftstäbe 3, wobei die Querkraftstäbe 3, so wie dies Fig. 2 und 3 deutlich zeigen, den Dämmkörper schräg durchqueren. Sowohl die Zugstäbe 2 wie auch die Querkraftstäbe 3 bestehen vorzugsweise aus Edelstahl, der gegenüber normalem Stahl schlechter wärmeleitfähig ist, vorzugsweise sogenanntem V4A-Stahl.In Fig. 1, an insulating body 1 is shown, which is made of an insulating material exists that is poorly heat conductive. In the Insulating bodies 1 are incorporated in the upper area of tension rods 2 and in the central area, shear bars 3, the shear bars 3, as clearly shown in FIGS. 2 and 3, the Cross the insulation body at an angle. Both the tie rods 2 as the shear bars 3 are preferably made of stainless steel, which is less thermally conductive than normal steel is, preferably so-called V4A steel.

Im unteren Bereich des Dämmkörpers 1 sind Aussparungen 4 erkennbar, die zur Bildung von Drucklager 5 dienen, wobei die Aussparungen eine Größe von 10 - 70 cm2, beispielsweise 5 x 5 cm, aufweisen, einen Abstand von 17 cm besitzen, während der ganze Dämmkörper eine Länge von 1,05 m aufweist.In the lower region of the insulating body 1, recesses 4 can be seen, which are used to form thrust bearings 5, the recesses being 10 - 70 cm 2 in size, for example 5 × 5 cm, being 17 cm apart, while the entire insulating body has a length of 1.05 m.

Im Gegensatz zu dem dargestellten Ausführungsbeispiel kann vorgesehen sein, die Aussparungen 4 des Dämmkörpers 1 unten zu schließen. Die Unterseite des Dämmkörpers 1 kann beispielsweise durch einen durchgehenden Klebestreifen abgedeckt sein. Dieser hält die Unterseite des Dämmkörpers 1 über die Länge gesehen zusammen und verhindert, daß sich der Dämmkörper 1 fächerartig unten auseinanderbewegen und krümmen kann. Weiterhin werden Beschädigungen der Stege zwischen den Aussparungen 4 vermieden. Der Klebestreifen, der aus Kunststoff, Metall od. dgl. bestehen kann, kann später entfernt werden, um eine Sichtkontrolle der Drucklager 5 zu ermöglichen. Anstelle eines Klebestreifens können auch andere Abdeckmaterialien vorgesehen sein, ggf. sogar nicht entfernbare Abdeckmaterialien: Die Aussparungen 4 müssen nicht notwendigerweise an der Unterkante des Dämmkörpers offen münden.In contrast to the embodiment shown be provided, the recesses 4 of the insulating body 1 below close. The underside of the insulating body 1 can, for example covered by a continuous adhesive strip his. This holds the bottom of the insulating body 1 over the length seen together and prevents the Move the insulation body 1 apart in a fan-like manner below can bend. Furthermore, damage to the webs avoided between the recesses 4. The tape, which can consist of plastic, metal or the like, can later be removed to allow a visual inspection of the thrust bearing 5. Instead of an adhesive strip, others can Cover materials may be provided, possibly even non-removable Covering materials: The recesses 4 do not necessarily have to open on the lower edge of the insulation body.

In den Fig. 1, 2, 3, 5 und 6 ist an der Rückseite des Dämmkörpers 1 eine in übertrieben großem Maßstab dargestellte Gleitschicht 26 dargestellt, die beispielsweise aus Teflon bestehen kann und wenigstens an der zum Gebäude hin gerichteten Seite der Druckkörper 5 angeordnet ist. Diese Gleitschicht 26 ermöglicht Gleitbewegungen zwischen dem Dämmkörper 1 und dem eigentlichen Gebäude, die aufgrund von Temperaturspannungen auftreten können, insbesondere im Unterschied zwischen Sommer und Winter, so daß hier keine Beschädigungen des Gebäudes oder des Dämmkörpers oder der Drucklager auftreten können. Die Gleitschicht kann dabei eine Stärke von 0,5 bis 1 mm aufweisen und entspricht in ihrer Höhe der Höhe der Drucklager 5 und kann entweder über die ganze Länge des Dämmkörpers 1 verlaufen oder nur im Bereich der Drucklager 5 angeordnet werden.1, 2, 3, 5 and 6 is at the rear of the insulating body 1 shows an overly large scale sliding layer 26 shown, which consist for example of Teflon can and at least on the side facing the building the pressure body 5 is arranged. This sliding layer 26 enables Sliding movements between the insulating body 1 and the actual building due to temperature stresses can occur, especially in the difference between Summer and winter, so that no damage to the Building or the insulating body or the thrust bearing occur can. The sliding layer can have a thickness of 0.5 to 1 mm and corresponds in height to the height of Thrust bearing 5 and can either over the entire length of the Insulating body 1 run or only in the area of the thrust bearing 5 to be ordered.

Zur Verdeutlichung der Größenverhältnisse wird darauf hingewiesen, daß der Dämmkörper 1 eine Breite von 8 cm und eine Höhe von 20 cm aufweisen kann.To clarify the size relationships, it is pointed out that the insulating body 1 has a width of 8 cm and a Can have a height of 20 cm.

Der Dämmkörper 1 ist bei dem dargestellten Ausführungsbeispiel zweiteilig aufgebaut: Die z. B. schräge Trennlinie zwischen dem Oberteil und dem Unterteil des Dämmkörpers 1 verläuft in der schrägen Ebene, entlang welcher die Querkraftstäbe 3 mit ihrem schräg verlaufenden mittleren Abschnitt verlaufen. Auf diese Weise können die Querkraftstäbe 3 auf einfache Weise auf den unteren Teil des Dämmkörpers 1 aufgelegt werden, so daß eine schnelle Montage mit geringem Zeitaufwand unterstützt wird. Die im oberen Teil des Dämmkörpers 1 angeordneten Zugstäbe 2 können durch Schlitze, die im oberen Teil des Dämmkörpers 1 vorgesehen sind, in dieses Oberteil eingelegt werden, so daß auch hier eine sehr schnelle Montage unterstützt wird. Alternativ zu derartigen Schlitzen kann vorgesehen sein, lediglich Durchbohrungen im Oberteil des Dämmkörpers 1 vorzusehen.The insulating body 1 is in the illustrated embodiment constructed in two parts: the z. B. oblique dividing line between the upper part and the lower part of the insulating body 1 in the inclined plane along which the shear bars 3 run with its sloping middle section. In this way, the shear bars 3 in a simple manner be placed on the lower part of the insulating body 1, so that a quick assembly with little time is supported becomes. The arranged in the upper part of the insulating body 1 Tension rods 2 can be through slots in the upper part of the Insulating body 1 are provided, inserted in this upper part are, so that a very quick assembly is also supported here becomes. As an alternative to such slots, provision can be made only perforations in the upper part of the insulating body 1 provided.

Die Fig. 4 und 5 zeigen, daß der eigentliche Dämmkörper 1 auch in Einzelelemente 1a, 1b und 1c aufgelöst sein kann, so daß die Handhabung und Anpassung noch vereinfacht wird. Gemäß Fig. 5 sind die Querkraftstäbe 3 jeweils in einem Einzelelement 1d des Dämmkörpers 1 angeordnet.4 and 5 show that the actual insulating body 1st can also be broken down into individual elements 1a, 1b and 1c, so that the handling and adaptation is still simplified. 5, the shear bars 3 are each in a single element 1d of the insulating body 1 arranged.

Im gattungsbildenden Stand der Technik wird vorgeschlagen, daß anstelle der Querkraft Stäbe 3 Querkraftstützen vorgesehen werden. Diese Querkraftstützen werden dadurch erreicht, daß in dem Dämmkörper in Draufsicht gesehen schwalbenschwanzförmige Ausnehmungen vorgesehen sind, in die ein in der Fertigteilproduktionsstätte aufgebrachter Beton einfließen kann. In Abwandlung dieses zum Stand der Technik gehörenden Vorschlages wird gemäß der Erfindung bei dem in Fig. 6 dargestellten Ausführungsbeispiel vorgeschlagen, daß eine Querkraftstütze 25 vorgesehen wird, die als Fertigteil aus einer Materialmischung hergestellt wird und in den Dämmkörper eingesetzt wird und dann noch in der Fertigteilproduktionsstätte beim Gießen der Fertigteilplatte miteingebunden wird. Auch hier kann der letzte Gitterstab mit Streckmetall abgedeckt sein, der den Ausschluß des Ortsbetons zum freien Ende der Fertigteilplatte 6 hin abschirmt. Auch hier kann die Querkraft 25 mit einer Gleitschicht 26 versehen sein.The generic state of the art proposes that 3 shear supports are provided instead of the shear bars become. These shear force supports are achieved in that the insulation body seen in top view dovetailed Recesses are provided in the one in the precast production facility applied concrete can flow. In Modification of this proposal belonging to the state of the art is according to the invention in that shown in Fig. 6 Embodiment proposed that a shear support 25 is provided as a finished part made of a material mixture is produced and inserted into the insulating body and then in the precast production facility during casting the precast panel is integrated. Here, too last lattice bar to be covered with expanded metal, the exclusion of the in-situ concrete towards the free end of the precast slab 6 shields. Here too, the transverse force 25 can be applied with a sliding layer 26 be provided.

In Fig. 2 ist eine Fertigteilplatte 6 erkennbar, von der die Gitterträger 11 und der diese verbindende Zugstab 9 erkennbar ist. Beim Gießen der Fertigteilplatte 6 wird so vorgegangen, daß vorher im Bereich der Aussparungen 4 eine Betonmischung zur Ausbildung eines Drucklagers 5 eingesetzt wird, die hohe Druckfestigkeit aufweist, aber einen niedrigen Wärmeleitwert besitzt, wobei diese Eigenschaften durch entsprechende Zuschlagstoffe erreicht werden. Um die niedrige Wärmeleitfähigkeit zu erreichen, werden z. B. Basalt- und/oder Kalkgemische als Zuschläge zugesetzt.In Fig. 2 a prefabricated plate 6 can be seen, of which the lattice girder 11 and the connecting rod 9 connecting them can be seen. When casting the precast plate 6, the procedure is such that previously a concrete mix in the area of the recesses 4 is used to form a thrust bearing 5, the high Compressive strength, but has a low thermal conductivity has, these properties through appropriate additives can be achieved. To the low thermal conductivity to achieve z. B. basalt and / or lime mixtures added as supplements.

Die fertig gegossene Fertigteilplatte 6 greift also mit Drucklager 5 in die Aussparungen 4 ein, so daß das in Fig. 2 dargestellte Fertigteil in einer Fertigteilproduktionsstätte geschaffen wird, das nunmehr an Ort und Stelle an dem Bau angebracht werden kann. Anschließend wird der aus Fig. 2 erkennbare Raum mit Ortbeton verfüllt, wodurch eine Verbindung zwischen dem bauwerksseitigen Ortbeton und dem Ortbeton der Balkonplatte geschaffen wird und wodurch der Querkraftdraht 3 allseits von Beton umgeben ist. Er ist daher vor Korrosion geschützt, so daß er nicht aus Edelstahl bestehen muß.The finished cast prefabricated plate 6 thus engages with a thrust bearing 5 in the recesses 4, so that that shown in Fig. 2 Finished part is created in a finished part production facility, which are now attached to the building on the spot can. Then the space recognizable from FIG In-situ concrete backfilled, creating a connection between the building side In-situ concrete and the in-situ concrete of the balcony slab created is and whereby the shear force wire 3 on all sides of Concrete is surrounded. It is therefore protected against corrosion, so that it does not have to be made of stainless steel.

Bei der Ausführungsform gemäß Fig. 3 werden in die im Dämmkörper 1 vorgesehenen Aussparungen 4 Quader 20 eingesetzt, die vorgefertigt werden und damit in den angepaßten unterschiedlichen Festigkeiten erstellt werden können. Diese Quader bestehen z. B. aus Beton, und zwar vorzugsweise hochfestem Beton, aber es kann auch Glasfaserbeton, Stahlfaserbeton oder Kunststofffaserbeton eingesetzt werden. Auch der Einsatz von Kunststoff ist möglich. Wie deutlich aus Fig. 3 zu erkennen ist, weist der Quader 20 eine größere Länge als die Breite des Dämmkörpers 1 auf und steht somit an der der Fertigteilplatte 6 zugewandten Seite über die Vorderkante des Dämmkörpers 1 über. In diesem Bereich kann der Quader 20 materialeinheitlich vorgesehene Verankerungszähne 23 aufweisen und in den Quader kann eine Abrißbewehrung 22 eingesetzt sein, die dadurch, daß der Quader 20 vorgefertigt ist, exakt in der Mitte des Quaders eingebaut und eingesetzt ist und mit der Bewehrung der Fertigteilplatte 6 verbunden werden kann.3 are in the in the insulating body 1 provided recesses 4 cuboids 20 inserted, which are prefabricated and thus in the adapted different Strengths can be created. These cuboids exist z. B. made of concrete, preferably high strength Concrete, but it can also be fiberglass, steel fiber or Plastic fiber concrete can be used. The use of Plastic is possible. As can be clearly seen from FIG. 3, the cuboid 20 has a greater length than the width of the Insulating body 1 and is thus on the precast panel 6th facing side over the front edge of the insulating body 1 about. In this area, the cuboid 20 can be made of the same material have provided anchoring teeth 23 and in the Cuboid can be used a demolition reinforcement 22, which that the cuboid 20 is prefabricated, exactly in the middle of the Cuboid is installed and used and with the reinforcement the precast plate 6 can be connected.

Aus der Zeichnung ist auch erkennbar, insbesondere aus Fig. 7, daß der Quader 20 an einer Außenseite Einbuchtungen 21 aufweisen kann, durch die seine Einbindung im Beton verbessert wird.It can also be seen from the drawing, in particular from FIG. 7, that the cuboid 20 have indentations 21 on an outside can improve its integration into concrete becomes.

Bei der Ausführungsform gemäß Fig. 8 weist der Dämmkörper 1 an seiner Oberseite Schlitze 12 auf, in die die Zugstäbe 2 eingesetzt werden können, wobei weiterhin in diesen Dämmkörper 1 auch nicht dargestellte Querkraftstäbe eingearbeitet werden können. An seiner Unterseite weist der Dämmkörper 1 im wesentlichen über seine ganze Länge reichend eine Aussparung 13 auf, die entweder im Schnitt rechteckig ausgebildet ist oder aber auch so gestaltet sein kann, daß die Oberseite der Aussparung 13 sich von der einen zur anderen Seite hin neigt, so daß eine Aussparung 13 erzielt wird, die im Schnitt zwei rechte Winkel und zwei Winkel aufweist, von denen einer größer und einer kleiner als 90° ist. Durch die Schnittlinie 14 ist angedeutet, daß der Dämmkörper 1 ebenso wie der Dämmkörper gemäß Fig. 1 auch zweiteilig ausgebildet sein kann, wobei diese Schnittlinie nicht schräg verlaufen muß.In the embodiment according to FIG. 8, the insulating body 1 at its top slots 12 in which the tie rods 2 are inserted can be, while continuing in this insulation body 1 also not shown transverse force rods can be incorporated can. On its underside, the insulating body 1 essentially has A recess extends over its entire length 13, which is either rectangular in section or but can also be designed so that the top of the recess 13 tilts from one side to the other so that a recess 13 is achieved, the average two right angles and has two angles, one larger and one is less than 90 °. The section line 14 indicates that the insulating body 1 as well as the insulating body according to FIG. 1 can also be formed in two parts, this cutting line does not have to run obliquely.

Claims (16)

  1. Prefabricated construction element for a cantilevered balcony slab comprising an insulating body (1) constructed as a precast element, where the insulating body (1) incorporates tension bars (2) distributed along its length and lateral-load bars (3) and in the lower area of the insulating body (1) recesses (4) running all the way across the insulating body (1) and a prefabricated slab (6) cast onto the insulating body and filling the recesses in the insulating body and equal to the size of the balcony, characterised in that thrust bearings (5) in the form of precast square-cut blocks (20) with adapted strength are used and these thrust bearings consist of a concrete mixture which forms thrust bearings with a high compressive strength.
  2. Prefabricated construction element in accordance with claim 1, characterised in that the square-cut block (20) is longer than the insulating body (1) is wide.
  3. Prefabricated construction element in accordance with claim 1 or 2, characterised in that the square-cut block (20) incorporates in its portion projecting over the insulating body (1) in the direction of the prefabricated slab (6) an anchoring means (23) on its outer side.
  4. Prefabricated construction element in accordance with one of the foregoing claims, characterised in that the square-cut block (20) incorporates on its lateral outer sides a groove-like indentation (21).
  5. Prefabricated construction element in accordance with one of the foregoing claims, characterised in that a reinforcement (22) is inserted into the square-cut block (20) to prevent it breaking off.
  6. Prefabricated construction element in accordance with one of the foregoing claims, characterised in that the square-cut block (20) incorporates additional surface profiles and projecting reinforcements.
  7. Prefabricated construction element in accordance with one of the foregoing claims, characterised in that in the lower portion of the insulating body (1) a recess (13) extending running through the insulating body (1) over the greater part of its length is provided for and the thrust bearing is formed of a material mixture which has low heat conductivity and high compressive strength and which is inserted into the recess (13).
  8. Prefabricated construction element in accordance with one of the foregoing claims, characterised by a sliding layer (26) on at least the side of the thrust bearing (5) facing the building.
  9. Prefabricated construction element in accordance with claim 8, characterised in that the sliding layer is made of plastic.
  10. Prefabricated construction element in accordance with one of the foregoing claims, characterised in that the insulating body (1) viewed along its length is divided up into individual elements (1a, 1b, 1c).
  11. Prefabricated construction element in accordance with claim 10, characterised in that each of the lateral-load bars (3) is arranged in an element of the insulating body (1) which element is constructed as an individual element (1d).
  12. Prefabricated construction element in accordance with one of the foregoing claims, where the lateral-load bars are constructed as lateral-load supports formed from a material mixture, characterised in that the lateral-load supports (25) are constructed as dovetail-shaped prefabricated construction elements which are attached to the prefabricated slab (6) and the insulating body (1) in the prefabricating production shop.
  13. Prefabricated construction element in accordance with claim 12, characterised in that also the lateral-load supports (25) are provided with a sliding layer (26).
  14. Prefabricated construction element in accordance with one of the foregoing claims, characterised in that a concrete mixture is used for the material mixture.
  15. Prefabricated construction element in accordance with one of the foregoing claims 1 to 13, characterised in that plastic is used for the material mixture.
  16. Prefabricated construction element in accordance with one of the foregoing claims, characterised by a covering provided on the underside of the insulating body (1).
EP98122818A 1998-01-28 1998-12-01 Prefabricated element for cantilevered balcony slab Expired - Lifetime EP0933482B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29801308U 1998-01-28
DE29801308U DE29801308U1 (en) 1998-01-28 1998-01-28 Prefabricated component for a cantilevered balcony slab

Publications (3)

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EP0933482A2 EP0933482A2 (en) 1999-08-04
EP0933482A3 EP0933482A3 (en) 2000-05-10
EP0933482B1 true EP0933482B1 (en) 2004-05-12

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EP (1) EP0933482B1 (en)
AT (1) ATE266778T1 (en)
DE (2) DE29801308U1 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
DE102006044958A1 (en) * 2006-09-22 2008-04-03 Kki Enterprises Gmbh Prefabricated part for an overhanging balcony slab has a restraining body designed as a prefabricated component with tie-rods and a precast concrete slab
DE102011056170A1 (en) * 2011-12-08 2013-06-13 JUWÖ POROTON-Werke Ernst Jungk & Sohn GmbH brick

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DE10102930A1 (en) * 2001-01-23 2002-07-25 Schoeck Entwicklungsgmbh Component for thermal insulation
DE29801308U1 (en) * 1998-01-28 1998-04-30 Syspro-Gruppe Betonbauteile e.V., 68766 Hockenheim Prefabricated component for a cantilevered balcony slab
FR2887905B1 (en) * 2005-06-30 2007-08-31 Lafarge Sa THERMAL BREAKER
DE102008029701A1 (en) * 2008-06-24 2009-12-31 Schöck Bauteile GmbH Component for thermal insulation and insulation material for construction applications
DE202019105444U1 (en) 2019-10-02 2021-01-05 Susanne Sonntag Insulating body for thermal insulation between a building and a protruding outer part and a building with a protruding outer part and at least one insulating body arranged between them

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DE3302719C1 (en) * 1983-01-27 1984-08-23 Eberhard Ing. Schöck (grad.), 7570 Baden-Baden Component for heat insulation in buildings
DE3426538A1 (en) * 1984-07-18 1986-01-23 Schöck, Eberhard, Ing.(grad.), 7570 Baden-Baden Structural element for heat insulation in buildings
DE9410288U1 (en) * 1993-12-22 1994-10-13 Max Frank Gmbh & Co Kg, 94339 Leiblfing Balcony connection
AT964U1 (en) 1994-10-31 1996-08-26 Hako Bautechnik Ges M B H THERMAL INSULATING CONNECTOR
DE9417777U1 (en) * 1994-11-05 1995-01-05 Dausend, Hans-Werner, 42289 Wuppertal Cantilever panel connection element
DE19652165C2 (en) 1996-12-05 1999-06-17 Syspro Gruppe Betonbauteile E Prefabricated component for a cantilevered balcony slab
DE29801308U1 (en) * 1998-01-28 1998-04-30 Syspro-Gruppe Betonbauteile e.V., 68766 Hockenheim Prefabricated component for a cantilevered balcony slab

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006044958A1 (en) * 2006-09-22 2008-04-03 Kki Enterprises Gmbh Prefabricated part for an overhanging balcony slab has a restraining body designed as a prefabricated component with tie-rods and a precast concrete slab
DE102011056170A1 (en) * 2011-12-08 2013-06-13 JUWÖ POROTON-Werke Ernst Jungk & Sohn GmbH brick

Also Published As

Publication number Publication date
DE29801308U1 (en) 1998-04-30
EP0933482A2 (en) 1999-08-04
EP0933482A3 (en) 2000-05-10
DE59811382D1 (en) 2004-06-17
ATE266778T1 (en) 2004-05-15

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Ipc: E04B 1/76 20060101ALI19990430BHEP