EP0117897B1 - Building element for thermal insulation of buildings - Google Patents

Building element for thermal insulation of buildings Download PDF

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Publication number
EP0117897B1
EP0117897B1 EP83109634A EP83109634A EP0117897B1 EP 0117897 B1 EP0117897 B1 EP 0117897B1 EP 83109634 A EP83109634 A EP 83109634A EP 83109634 A EP83109634 A EP 83109634A EP 0117897 B1 EP0117897 B1 EP 0117897B1
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EP
European Patent Office
Prior art keywords
insulating body
reinforcing elements
element according
building element
pins
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EP83109634A
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German (de)
French (fr)
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EP0117897A1 (en
Inventor
Eberhard Schöck
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Individual
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Individual
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Priority to AT83109634T priority Critical patent/ATE24565T1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/125—Reinforcement continuity box
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/003—Balconies; Decks
    • E04B1/0038—Anchoring devices specially adapted therefor with means for preventing cold bridging
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only

Definitions

  • the invention relates to a component for thermal insulation in buildings, in particular in the case of cantilevered external parts, with an elongated insulating body made of thermally insulating material, with elongated, metal reinforcement elements which extend essentially transversely to the insulating body and project laterally, and with pressure elements for transmitting force between the cantilevered Part and the other parts of the building, wherein the insulating body consists of an upper part and a lower part with recesses for the reinforcement elements and wherein the upper part and the lower part can be attached to one another via complementary projections and recesses.
  • cantilevered wall parts such as balconies, loggias, outdoor platforms, house entrance panels or the like
  • cantilevered wall parts of this type are generally connected to a corresponding false ceiling in the building and form their extension to the outside .
  • the protruding panels or wall parts thus represent thermal bridges to the outside, which on the one hand bring heat loss with them and on the other hand can also cause structural damage.
  • Such a component is known from DE-B-3 005 571 which is designed as a prefabricated part and has at least one pressure element which is integrated in the insulating body as a connecting core element and has dimensions corresponding to the cross section of the insulating body.
  • the insulating body is formed in one piece, into which the reinforcement elements are inserted or cast. Pouring the reinforcing bars has the disadvantage that the insulating element including the reinforcing elements must be transported as a unitary whole from the place of manufacture to the respective construction site. In addition, each element must be specially made for the respective need.
  • the reinforcement elements should be aligned as precisely as possible with respect to the insulating body.
  • the upper part has horizontal grooves for receiving reinforcement elements horizontally crossing the insulating body and pins for fixing reinforcing elements crossing the insulating body at an angle to the horizontal, that the pressure elements can be installed on the lower part and that the reinforcing elements can be fixed by plugging the upper part and the lower part together.
  • the lower part is provided with cutouts for frictionally receiving pins of the upper part.
  • the lower part in the region of the recesses is advantageously thin-walled in such a way that when the pegs are inserted, the oblique reinforcement elements held by the pegs can break them open up to their penetration depth.
  • the insulating body shown in FIG. 1 is located, for example, between the floor slab of a balcony and a false ceiling Building. It is preferably arranged in the level of the insulating plaster of the corresponding building wall. It is intended to largely prevent contact between the floor slab of the balcony on the one hand and the outer wall of the building and the false ceiling on the other hand, thus enabling optimal thermal insulation between them.
  • the insulating body consists of a lower part 1 and an upper part 2.
  • the lower part 1 is provided with recesses 3 lying one behind the other in the longitudinal direction.
  • the upper part 2 has the recesses 3 of the lower part 1 opposite pins 4. When assembling the upper part and the lower part, the recesses 3 take the pins 4 completely.
  • the device shown in Fig. 1 is assembled in such a way that the reinforcing bars 6 and 7 are first inserted into the corresponding grooves or fastened to the corresponding surfaces. Then the upper part 2 and the lower part 1 of the insulating body are assembled. The pins 4 are fully pressed into the corresponding recesses 3. The oblique reinforcing bars 7 break the walls of the recesses 3 to a depth that corresponds to their penetration depth. The reinforcing bars 7 are placed so that they hit the recesses where the wall is the thinnest. They therefore only leave vertical, slit-like incisions. 2a and 2b show the cross sections of two different recesses. In the hexagonal recess according to FIG.
  • Fig. 2a shows a rectangular recess 3.
  • two incisions 9 are provided on opposite sides of the recess 3 in the lower part 1, whereby it is determined at which locations the corresponding reinforcing bar 7 through the insulating body is passed through.
  • the pins 4 fit frictionally into the recesses 3, so that after the lower part 1 and the upper part 2 have been joined together, they are connected to one another in a frictional manner and can only be separated again with the application of force.
  • additional pins 10 can be provided in the upper part 2 and corresponding additional recesses 11 can be provided in the lower part 1, which do not serve for the crossing of reinforcing bars through the insulating body, but only have the task of providing the frictional force between the upper and To increase the lower part.
  • the connection can be improved in that an adhesive is placed between the contact surfaces of the upper and lower part.
  • pressure elements arranged one behind the other in the longitudinal direction of the insulating body.
  • These consist, for example, of a pressure plate 12 made of a rubber-elastic material and pressure-distributing layers 13 and 14 made of a hard material on both sides of the pressure plate 12, the outside of which preferably lies in one plane with the outer wall of the lower part 1.
  • the pressure plate 12 and the layers 13 and 14 are preferably glued into the lower part 1.
  • the arrangement of the pressure elements in the lower region of the lower part 1 enables a good transmission of the forces from the projecting plate to the building.
  • the pressure element is arranged directly below the recess 3 only for simplicity.
  • recesses 3 and pressure elements in the longitudinal direction of the insulating body are offset from each other to the strength of the lower part, which is preferably made of a foam such.
  • Fig. 4 an upper part 2 is shown, which is wider than the lower part 1 and which in the assembled state of these two parts engages around the upper outer edge of the lower part. This gives an even stronger connection between the two parts.
  • the guidance of the reinforcing bars 6 is extended by the insulating material and thereby the distance between the points at which these reinforcing bars are clamped on one side in the balcony slab and on the other side in the false ceiling.
  • the heat-insulating body creates a separation between the balcony (component with changing temperature) and the building (component with generally constant temperature). This creates temperature-related movements between the balcony and the building, which stress the horizontal reinforcement bars to bend. The greater the distance between the balcony slab and the false ceiling, the lower the bending stress.
  • continuous openings 16 extending in the longitudinal direction of the insulating body can be provided in the pin 4 of the upper part and openings 17 also running in the longitudinal direction between the recesses 3 in the lower part 1 a rod is inserted after joining the upper and lower part, which holds these parts together.
  • a plurality of openings 17 arranged one above the other can be provided in the lower part, so that the insertion depth of the pins 4 can be varied.
  • Fig. 6 shows the attachment of the lower part before attaching the balcony slab and the false ceiling.
  • the lower end of the lower part 1 is enclosed by a U-shaped holder 18 which has a projection on the side projecting towards the balcony. This projection is attached to the casing 19 for the balcony slab. In a corresponding manner, an attachment to the top of the building wall 20 is also possible.
  • a piece of the lower part 1 can be cut off in the upper area if necessary.
  • the pins 4 must therefore not extend over the full length of the recesses 3.
  • no concrete can enter this cavity when the balcony slab or false ceiling is subsequently poured, since the cutouts are covered by the pegs from above, and insofar as the walls of the lower part 1 have been torn open by the reinforcing bars 7, the corresponding incisions are closed down by the reinforcing bars 7 themselves. The good thermal insulation of the insulating body is thus retained.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)
  • Glass Compositions (AREA)

Abstract

1. A building (construction) element for thermal insulation of buildings, especially in cantilevered projecting exterior portions, comprising an elongated insulating body (1, 2) of a thermally insulating material ; elongated metallic reinforcing elements (6, 7) which extend substantially transversely with respect to the insulating body (1, 2) and which protrude laterally ; and compression elements (12) for force transmission between the cantilevered projecting portion and the remainder of the building portions ; with the insulating body (1, 2) comprising an upper part (2) and a lower part (1) provided with recesses (5, 8) for the reinforcing elements (6, 7), and said upper part (2) and said lower part (1) being adapted to be secured to each other through complementary projections (4, 10) and notches (3, 11), characterized in that the upper part (2) includes grooves (5), extending horizontally in the installed state, for receiving reinforcing elements (6) which pass horizontally through the insulating body (1, 2), as well as pins (4) for the fixing of reinforcing elements (7) passing through the insulating body (1, 2) with an inclination to the horizontal ; that the compression elements (12) are adapted to be installed in the lower part (1) ; and that the reinforcing elements (6, 7) are adapted to be fixed by fitting together the upper part (2) and the lower part (1).

Description

Die Erfindung betrifft ein Bauelement zur Wärmedämmung bei Gebäuden, insbesondere bei vorkragenden Außenteilen, mit einem länglichen Isolierkörper aus thermisch isolierendem Material, mit länglichen, metallenen Bewehrungselementen, die sich im wesentlichen quer zum Isolierkörper erstrecken und seitlich vorstehen, und mit Druckelementen zur Kraftübertragung zwischen dem vorkragenden Teil und den übrigen Gebäudeteilen, wobei der Isolierkörper aus einem Oberteil und einem Unterteil mit Aussparungen für die Bewehrungselemente besteht und wobei der Oberteil und der Unterteil über komplementäre Vorsprünge und Aussparungen aneinander befestigbar sind.The invention relates to a component for thermal insulation in buildings, in particular in the case of cantilevered external parts, with an elongated insulating body made of thermally insulating material, with elongated, metal reinforcement elements which extend essentially transversely to the insulating body and project laterally, and with pressure elements for transmitting force between the cantilevered Part and the other parts of the building, wherein the insulating body consists of an upper part and a lower part with recesses for the reinforcement elements and wherein the upper part and the lower part can be attached to one another via complementary projections and recesses.

Bei Gebäuden, die vorkragende Wandteile aufweisen, beispielsweise Balkone, Loggien, Außenpodeste, Hauseingangsplatten o. dgl., tritt das Problem einer unerwünschten Wärmeableitung auf, da derartige vorkragende Wandteile in aller Regel mit einer entsprechenden Zwischendecke im Gebäude verbunden sind und ihre Verlängerung nach außen bilden. Somit stellen die ausladenden Platten oder Wandteile Kältebrücken nach außen dar, die einerseits Wärmeveriuste mit sich bringen und andererseits auch Bauschäden hervorrufen können.In buildings that have cantilevered wall parts, such as balconies, loggias, outdoor platforms, house entrance panels or the like, the problem of undesirable heat dissipation occurs, since cantilevered wall parts of this type are generally connected to a corresponding false ceiling in the building and form their extension to the outside . The protruding panels or wall parts thus represent thermal bridges to the outside, which on the one hand bring heat loss with them and on the other hand can also cause structural damage.

Es werden daher Bauelemente zwischen den vorkragenden Teilen und dem Gebäude vorgesehen, die eine Wärmedämmung einerseits und eine zufriedenstellende Lastübertragung andererseits gewährleisten. Durch die DE-B-3 005 571 ist ein derartiges Bauelement bekannt, das als Fertigteil ausgebildet ist und mindestens ein Druckelement aufweist, das in den Isolierkörper als verbindendes Kernelement integriert ist und dem Querschnitt des Isolierkörpers entsprechende Abmessungen besitzt. In einer Ausführungsform ist der Isolierkörper einteilig ausgebildet, in den die Bewehrungselemente eingesteckt oder eingegossen sind. Das Eingießen der Bewehrungsstäbe hat den Nachteil, daß das Isolierelement einschließlich der Bewehrungselemente als einheitliches Ganzes vom Herstellungsort zu der jeweiligen Baustelle transportiert werden muß. Außerdem muß jedes Element für den jeweiligen Bedarfsfall speziell angefertigt werden. Beim Einstecken der Bewehrungsstäbe in den Isolierkörper bereitet es Schwierigkeiten, stets die gewünschte Ausrichtung der Bewehrungsstücke zu erhalten. Das Einstecken ist insbesondere dann problematisch, wenn die Stäbe an ihren Enden hakenförmig umgebogen sind. sowie dann, wenn sie schräg durch den Isolierkörper verlaufen, ansonsten jedoch horizontal angeordnet sind, so daß sie zumindest zwei Knickpunkte aufweisen.Components are therefore provided between the projecting parts and the building, which ensure thermal insulation on the one hand and satisfactory load transfer on the other. Such a component is known from DE-B-3 005 571 which is designed as a prefabricated part and has at least one pressure element which is integrated in the insulating body as a connecting core element and has dimensions corresponding to the cross section of the insulating body. In one embodiment, the insulating body is formed in one piece, into which the reinforcement elements are inserted or cast. Pouring the reinforcing bars has the disadvantage that the insulating element including the reinforcing elements must be transported as a unitary whole from the place of manufacture to the respective construction site. In addition, each element must be specially made for the respective need. When inserting the reinforcement bars into the insulating body, it is difficult to always obtain the desired orientation of the reinforcement pieces. The insertion is particularly problematic when the rods are bent in a hook shape at their ends. as well as if they run obliquely through the insulating body, but are otherwise arranged horizontally so that they have at least two break points.

In der DE-B-3 005 571 ist aber auch bereits vorgeschlagen, den Isolierkörper zweiteilig aus einem Oberteil und einem Unterteil in der eingangs genannten Art zu gestalten, wobei diese Hälften Aussparungen zum Einstecken für die Bewehrungselemente aufweisen. Wo diese Aussparungen vorgesehen sein sollen und wie sie verlaufen sollen, ist allerdings dort nicht im einzelnen ausgeführt.In DE-B-3 005 571, however, it is also already proposed to design the insulating body in two parts from an upper part and a lower part in the manner mentioned at the beginning, these halves having cutouts for insertion for the reinforcement elements. Where these recesses are to be provided and how they should run, however, is not specified in detail there.

Es ist daher die Aufgabe der vorliegenden Erfindung, ein Bauelement zur Wärmedämmung zwischen vorkragenden Außenteilen und dem Gebäude selbst zu schaffen, bei dem die Bewehrungselemente - gleich welcher Form - in einfacher Weise mit dem in bekannter Weise zweiteiligen Isolierkörper verbunden werden, wobei diese Verbindung direkt am Ort der Verwendung des Bauelements oder im Herstellwerk erfolgen kann. Dabei soll eine möglichst genaue Ausrichtung der Bewehrungselemente in bezug auf den Isolierkörper stattfinden.It is therefore the object of the present invention to provide a component for thermal insulation between projecting outer parts and the building itself, in which the reinforcement elements - regardless of their shape - are connected in a simple manner to the two-part insulating body in a known manner, this connection being directly on Place of use of the component or in the manufacturing plant can take place. The reinforcement elements should be aligned as precisely as possible with respect to the insulating body.

Diese Aufgabe wird bei dem eingangs genannten Bauelement erfindungsgemäß dadurch gelöst, daß das Oberteil horizontale Nuten zur Aufnahme von horizontal den Isolierkörper durchquerenden Bewehrungselementen sowie Zapfen zur Festlegung von schräg zur Horizontalen den Isolierkörper durchquerenden Bewehrungselementen aufweist, daß am Unterteil die Druckelemente einbaubar sind und daß die Bewehrungselemente durch Zusammenstecken des Oberteils und des Unterteils festlegbar sind.This object is achieved according to the invention in the above-mentioned component in that the upper part has horizontal grooves for receiving reinforcement elements horizontally crossing the insulating body and pins for fixing reinforcing elements crossing the insulating body at an angle to the horizontal, that the pressure elements can be installed on the lower part and that the reinforcing elements can be fixed by plugging the upper part and the lower part together.

In zweckmäßiger Ausgestaltung ist das Unterteil mit Aussparungen zur reibungsschlüssigen Aufnahme von Zapfen des Oberteils versehen. Hierbei ist das Unterteil im Bereich der Aussparungen vorteilhaft derart dünnwandig, daß es beim Einstecken der Zapfen durch die von diesem gehaltenen, schräg verlaufenden Bewehrungselemente bis zu deren Eindringtiefe aufbrechbar ist.In an expedient embodiment, the lower part is provided with cutouts for frictionally receiving pins of the upper part. Here, the lower part in the region of the recesses is advantageously thin-walled in such a way that when the pegs are inserted, the oblique reinforcement elements held by the pegs can break them open up to their penetration depth.

Die Erfindung wird im folgenden anhand von in den Figuren dargestellten Ausführungsbeispielen näher erläutert.The invention is explained in more detail below with reference to exemplary embodiments shown in the figures.

Es zeigen :

  • Figur 1 einen Schnitt durch den Isolierkörper senkrecht zu dessen Längsrichtung mit eingelegten Bewehrungselementen ;
  • Figur 2a die Draufsicht auf eine Aussparung im Unterteil des Isolierkörpers ;
  • Figur 2b die Draufsicht auf eine weitere, anders ausgebildete Aussparung im Unterteil des Isolierkörpers ;
  • Figur 3 die Ansicht auf die Längsseite einer zweiten Ausführungsform des Oberteils sowie die Draufsicht auf den entsprechenden Abschnitt des Unterteils ;
  • Figur 4 einen Schnitt durch eine weitere Ausführungsform des Isolierkörpers senkrecht zu dessen Längsrichtung ;
  • Figur 5 einen Schnitt durch noch eine weitere Ausführungsform des Isolierkörpers senkrecht zu dessen Längsrichtung ;
  • Figur 6 eine Vorrichtung zur Befestigung des Unterteils.
Show it :
  • 1 shows a section through the insulating body perpendicular to its longitudinal direction with inserted reinforcement elements;
  • 2a shows the top view of a recess in the lower part of the insulating body;
  • Figure 2b is a top view of another, differently shaped recess in the lower part of the insulating body;
  • Figure 3 shows the view on the long side of a second embodiment of the upper part and the top view of the corresponding section of the lower part;
  • Figure 4 shows a section through a further embodiment of the insulating body perpendicular to its longitudinal direction;
  • Figure 5 shows a section through yet another embodiment of the insulating body perpendicular to its longitudinal direction;
  • Figure 6 shows a device for fastening the lower part.

Der in Fig. 1 dargestellte Isolierkörper befindet sich beispielsweise zwischen der Bodenplatte eines Balkons und einer Zwischendecke eines Gebäudes. Er ist vorzugsweise in der Ebene des Isolierputzes der entsprechenden Gebäudewand angeordnet. Er soll eine Berührung zwischen der Bodenplatte des Balkons einerseits und der Außenwand des Gebäudes sowie der Zwischendecke andererseits weitgehend verhindern und damit eine optimale Wärmedämmung zwischen diesen ermöglichen.The insulating body shown in FIG. 1 is located, for example, between the floor slab of a balcony and a false ceiling Building. It is preferably arranged in the level of the insulating plaster of the corresponding building wall. It is intended to largely prevent contact between the floor slab of the balcony on the one hand and the outer wall of the building and the false ceiling on the other hand, thus enabling optimal thermal insulation between them.

Der Isolierkörper besteht aus einem Unterteil 1 sowie einem Oberteil 2. Das Unterteil 1 ist mit in Längsrichtung hintereinander liegenden Aussparungen 3 versehen. Das Oberteil 2 weist den Aussparungen 3 des Unterteils 1 gegenüberliegende Zapfen 4 auf. Beim Zusammenfügen des Oberteils und des Unterteils nehmen die Aussparungen 3 die Zapfen 4 vollständig auf.The insulating body consists of a lower part 1 and an upper part 2. The lower part 1 is provided with recesses 3 lying one behind the other in the longitudinal direction. The upper part 2 has the recesses 3 of the lower part 1 opposite pins 4. When assembling the upper part and the lower part, the recesses 3 take the pins 4 completely.

Zwischen den Zapfen 4 befinden sich an der Unterseite des Oberteils 2 Nuten 5, in die horizontal verlaufende Bewehrungsstäbe 6 eingelegt werden. Diese Bewehrungsstäbe 6 dienen zur Aufnahme horizontaler Zugspannungen. Die uritere Kante der Zapfen 4 verläuft schräg zur Horizontalen. An ihr sind vertikal durch den isolierkörper hindurchgeführte Bewehrungsstäbe 7 befestigt. Vorzugsweise befinden sich auch an dieser unteren Seite der Zapfen 4 parallel zur Unterkante verlaufende Nuten 8, in die die Bewehrungsstäbe '7 eingelegt und dann befestigt werden. Die Bewehrungsstäbe 7 dienen auch zur Aufnahme vertikaler Kräfte. Die Befestigung der Bewehrungsstäbe 6 bzw. 7 in den Nuten 5 bzw. 8 kann mit Hilfe eines Klebmittels oder durch in den Nuten befestigte Klammern erfolgen.Between the pins 4 there are 2 grooves 5 on the underside of the upper part, into which horizontally extending reinforcement bars 6 are inserted. These reinforcing bars 6 serve to absorb horizontal tensile stresses. The uritere edge of the pin 4 extends obliquely to the horizontal. Reinforcement bars 7 are fastened to it vertically through the insulating body. On this lower side of the pin 4 there are preferably also grooves 8 running parallel to the lower edge, into which the reinforcing bars 7 are inserted and then fastened. The reinforcing bars 7 also serve to absorb vertical forces. The reinforcement bars 6 and 7 can be fastened in the grooves 5 and 8 with the aid of an adhesive or by means of clamps fastened in the grooves.

Die Montage der in Fig. 1 gezeigten Vorrichtung erfolgt in der Weise, daß zunächst die Bewehrungsstäbe 6 und 7 in die entsprechenden Nuten eingelegt bzw. an den entsprechenden Flächen befestigt werden. Dann werden das Oberteil 2 und das Unterteil 1 des Isolierkörpers zusammengefügt. Dabei werden die Zapfen 4 vollständig in die entsprechenden Aussparungen 3 hineingedrückt. Die schräg verlaufenden Bewehrungsstäbe 7 brechen hierbei die Wandungen der Aussparungen 3 auf bis in eine Tiefe, die ihrer Eindringtiefe entspricht. Die Bewehrungsstäbe 7 sind dabei so gelegt, daß sie dort auf die Aussparungen auftreffen, wo deren Wandung am dünnsten ist. Sie hinterlassen daher nur vertikal verlaufende, schlitzartige Einschnitte. Die Fig. 2a und 2b zeigen die Querschnitte zweier verschiedener Aussparungen. Bei der sechseckförmigen Aussparung nach Fig. 2a erhält man ohne zusätzliche Maßnahme die beiden Punkte, an denen die Wandung des Unterteils am dünnsten ist. Zwischen diesen beiden Punkten werden die Bewehrungsstäbe 7 durch das Unterteil 1 hindurchgeführt. Fig. 2b zeigt eine rechteckförmige Aussparung 3. Um hier zwei definierte Stellen mit der dünnsten Wandungsdicke zu schaffen, sind auf gegenüberliegenden Seiten der Aussparung 3 im Unterteil 1 zwei Einschnitte 9 vorgesehen, wodurch festgelegt wird, an welchen Stellen der entsprechende Bewehrungsstab 7 durch den Isolierkörper hindurchgeführt wird.The device shown in Fig. 1 is assembled in such a way that the reinforcing bars 6 and 7 are first inserted into the corresponding grooves or fastened to the corresponding surfaces. Then the upper part 2 and the lower part 1 of the insulating body are assembled. The pins 4 are fully pressed into the corresponding recesses 3. The oblique reinforcing bars 7 break the walls of the recesses 3 to a depth that corresponds to their penetration depth. The reinforcing bars 7 are placed so that they hit the recesses where the wall is the thinnest. They therefore only leave vertical, slit-like incisions. 2a and 2b show the cross sections of two different recesses. In the hexagonal recess according to FIG. 2a, the two points at which the wall of the lower part is thinnest are obtained without additional measures. The reinforcing bars 7 are guided through the lower part 1 between these two points. Fig. 2b shows a rectangular recess 3. In order to create two defined locations with the thinnest wall thickness, two incisions 9 are provided on opposite sides of the recess 3 in the lower part 1, whereby it is determined at which locations the corresponding reinforcing bar 7 through the insulating body is passed through.

Die Zapfen 4 passen reibungsschlüssig in die Aussparungen 3, so daß nach dem Zusammenfügen des Unterteils 1 und des Oberteils 2 diese reibungsschlüssig miteinander verbunden sind und nur unter Kraftaufwand wieder getrennt werden können. Um die Festigkeit dieser Verbindung noch zu erhöhen, können im Oberteil 2 zusätzliche Zapfen 10 und im Unterteil 1 entsprechende zusätzliche Aussparungen 11 vorgesehen sein, die nicht zur Durchquerung von Bewehrungsstäben durch den Isolierkörper dienen, sondern lediglich die Aufgabe haben, die Reibungskraft zwischen Ober- und Unterteil zu erhöhen. Weiterhin kann die Verbindung dadurch verbessert werden, daß ein Klebstoff zwischen die Berührungsflächen von Ober- und Unterteil gebracht wird.The pins 4 fit frictionally into the recesses 3, so that after the lower part 1 and the upper part 2 have been joined together, they are connected to one another in a frictional manner and can only be separated again with the application of force. In order to increase the strength of this connection, additional pins 10 can be provided in the upper part 2 and corresponding additional recesses 11 can be provided in the lower part 1, which do not serve for the crossing of reinforcing bars through the insulating body, but only have the task of providing the frictional force between the upper and To increase the lower part. Furthermore, the connection can be improved in that an adhesive is placed between the contact surfaces of the upper and lower part.

Im unteren Bereich des Unterteils befinden sich in Längsrichtung des Isolierkörpers hintereinander angeordnete Druckelemente. Diese bestehen beispielsweise aus einer Druckplatte 12 aus einem gummielastischen Werkstoff und druckverteilenden Schichten 13 und 14 aus einem harten Material zu beiden Seiten der Druckplatte 12, deren Außenseite bevorzugt in einer Ebene mit der Außenwand des Unterteils 1 liegen. Die Druckplatte 12 und die Schichten 13 und 14 sind vorzugsweise in das Unterteil 1 eingeklebt. Durch die Anordnung der Druckelemente im unteren Bereich des Unterteils 1 wird eine gute Übertragung der Kräfte von der vorkragenden Platte auf das Gebäude ermöglicht.In the lower area of the lower part there are pressure elements arranged one behind the other in the longitudinal direction of the insulating body. These consist, for example, of a pressure plate 12 made of a rubber-elastic material and pressure-distributing layers 13 and 14 made of a hard material on both sides of the pressure plate 12, the outside of which preferably lies in one plane with the outer wall of the lower part 1. The pressure plate 12 and the layers 13 and 14 are preferably glued into the lower part 1. The arrangement of the pressure elements in the lower region of the lower part 1 enables a good transmission of the forces from the projecting plate to the building.

In Fig. 1 ist das Druckelement nur zur einfacheren Darstellung direkt unter der Aussparung 3 angeordnet. In der Regel sind jedoch Aussparungen 3 und Druckelemente in Längsrichtung des Isolierkörpers gegeneinander versetzt, um die Festigkeit des Unterteils, das vorzugsweise aus einem Schaumstoff wie z. B. Polystyrol besteht, zu verbessern.In Fig. 1, the pressure element is arranged directly below the recess 3 only for simplicity. In general, however, recesses 3 and pressure elements in the longitudinal direction of the insulating body are offset from each other to the strength of the lower part, which is preferably made of a foam such. B. polystyrene, to improve.

In Fig. 4 ist ein Oberteil 2 gezeigt, das breiter ist als das Unterteil 1 und das im zusammengefügten Zustand dieser beiden Teile den oberen äußeren Rand des Unterteils umgreift. Hierdurch erhält man eine noch festere Verbindung der beiden Teile. Außerdem wird die Führung der Bewehrungsstäbe 6 durch das Isoliermaterial und dadurch der Abstand zwischen den Punkten, an denen diese Bewehrungsstäbe auf der einen Seite in der Balkonplatte und auf der anderen Seite in der Zwischendecke eingespannt sind, verlängert. Hierdurch ergibt sich folgender Vorteil : durch den wärmedämmenden Isolierkörper entsteht eine Trennung zwischen Balkon (Bauteil mit wechselnder Temperatur) und dem Gebäude (Bauteil mit in der Regel konstanter Temperatur). Hierdurch entstehen temperaturbedingte Bewegungen zwischen Balkon und Gebäude, die die horizontalen Bewehrungsstäbe auf Biegung beanspruchen. Je größer dabei der Abstand zwischen Balkonplatte und Zwischendecke ist, desto geringer ist die Biegebeanspruchung.In Fig. 4, an upper part 2 is shown, which is wider than the lower part 1 and which in the assembled state of these two parts engages around the upper outer edge of the lower part. This gives an even stronger connection between the two parts. In addition, the guidance of the reinforcing bars 6 is extended by the insulating material and thereby the distance between the points at which these reinforcing bars are clamped on one side in the balcony slab and on the other side in the false ceiling. This results in the following advantage: the heat-insulating body creates a separation between the balcony (component with changing temperature) and the building (component with generally constant temperature). This creates temperature-related movements between the balcony and the building, which stress the horizontal reinforcement bars to bend. The greater the distance between the balcony slab and the false ceiling, the lower the bending stress.

Um das Oberteil mechanisch zu festigen, was insbesondere für den Transport von Bedeutung ist, empfiehlt es sich, in diesem einen in Längsrichtung verlaufenden Bewehrungsstab 15 vorzusehen. Dieser kann aus Holz, Stahl, Kunststoff o. dgl. bestehen und wird in das Oberteil 2 eingesteckt oder bereits bei dessen Herstellung eingeschäumt.In order to mechanically secure the upper part, which is particularly important for transport, it is advisable to use a reinforcing bar 15 running in the longitudinal direction see. This can consist of wood, steel, plastic or the like and is inserted into the upper part 2 or already foamed during its manufacture.

Um insbesondere während des Transports eine feste Verbindung von Oberteil 2 und Unterteil 1 zu gewährleisten, kann man in den Zapfen 4 des Oberteils in Längsrichtung des Isolierkörpers verlaufende durchgehende Öffnungen 16 sowie im Unterteil 1 ebenfalls in Längsrichtung zwischen den Aussparungen 3 verlaufende Öffnungen 17 vorsehen, durch die nach dem Zusammenfügen von Ober- und Unterteil ein Stab gesteckt wird, der diese Teile zusammenhält. Dabei können im Unterteil mehrere übereinander angeordnete Öffnungen 17 vorgesehen sein, so daß die Einstecktiefe der Zapfen 4 variierbar ist.In order to ensure a firm connection of the upper part 2 and lower part 1 in particular during transport, continuous openings 16 extending in the longitudinal direction of the insulating body can be provided in the pin 4 of the upper part and openings 17 also running in the longitudinal direction between the recesses 3 in the lower part 1 a rod is inserted after joining the upper and lower part, which holds these parts together. A plurality of openings 17 arranged one above the other can be provided in the lower part, so that the insertion depth of the pins 4 can be varied.

Fig. 6 zeigt die Befestigung des Unterteils vor dem Anbringen der Balkonplatte und der Zwischendecke. Das untere Ende des Unterteils 1 wird von einem U-förmigen Halter 18 umschlossen, der auf der zum Balkon ragenden Seite einen Vorsprung besitzt. Dieser Vorsprung wird an der Verschalung 19 für die Balkonplatte angeheftet. In entsprechender Weise ist auch eine Befestigung an der Oberseite der Gebäudewand 20 möglich.Fig. 6 shows the attachment of the lower part before attaching the balcony slab and the false ceiling. The lower end of the lower part 1 is enclosed by a U-shaped holder 18 which has a projection on the side projecting towards the balcony. This projection is attached to the casing 19 for the balcony slab. In a corresponding manner, an attachment to the top of the building wall 20 is also possible.

Um das beanspruchte Bauelement für Decken verschiedener Stärke, beispielsweise für den Bereich von 14 cm bis 25 cm, verwendbar zu machen, kann im Bedarfsfall ein Stück des Unterteils 1 im oberen Bereich entsprechend abgeschnitten werden. Die Zapfen 4 dürfen sich daher nicht über die volle Länge der Aussparungen 3 erstrecken. Es verbleibt somit auch bei voll eingesteckten Zapfen in der Regel ein Hohlraum im unteren Bereich der Aussparungen 3. In diesen Hohlraum kann jedoch beim anschließenden Vergießen der Balkonplatte bzw. der Zwischendecke kein Beton einlaufen, da die Aussparungen von oben durch die Zapfen abgedeckt sind, und, soweit durch die Bewehrungsstäbe 7 die Wandungen des Unterteils 1 aufgerissen wurden, die entsprechenden Einschnitte nach unten durch die Bewehrungsstäbe 7 selbst geschlossen werden. Die gute Wärmedämmung des Isolierkörpers bleibt somit erhalten.In order to make the claimed component usable for ceilings of different thicknesses, for example for the area from 14 cm to 25 cm, a piece of the lower part 1 can be cut off in the upper area if necessary. The pins 4 must therefore not extend over the full length of the recesses 3. Thus, even when the pegs are fully inserted, there is usually a cavity in the lower region of the cutouts 3. However, no concrete can enter this cavity when the balcony slab or false ceiling is subsequently poured, since the cutouts are covered by the pegs from above, and insofar as the walls of the lower part 1 have been torn open by the reinforcing bars 7, the corresponding incisions are closed down by the reinforcing bars 7 themselves. The good thermal insulation of the insulating body is thus retained.

Der Gegenstand der Erfindung weist somit folgende Vorteile auf :

  • Die horizontal und die schräg durch den Isolierkörper verlaufenden Bewehrungsstäbe werden am Oberteil befestigt und bilden einen sogenannten Bewehrungskorb. Sie sind maßlich von der Oberkante des Isolierkörpers her orientiert. Insbesondere die horizontalen Bewehrungsstäbe 6 müssen oben liegen mit einem festgelegten Abstand von der Oberfläche des Balkons oder der Decke. Durch die Befestigung der Stäbe am Oberteil kann der Isolierkörper oben gut ausgerichtet und an der Bewehrung der Decke oder des Balkons festgebunden werden. Die Druckelemente sind im Unterteil angeordnet. Hierdurch wird eine optimale Übertragung von Kräften zwischen dem vorkragenden Außenteil und dem Gebäude gewährleistet.
The object of the invention thus has the following advantages:
  • The reinforcement bars, which run horizontally and diagonally through the insulating body, are attached to the upper part and form a so-called reinforcement cage. They are dimensionally oriented from the top edge of the insulating body. In particular, the horizontal reinforcement bars 6 must lie at a fixed distance from the surface of the balcony or the ceiling. By attaching the rods to the upper part, the insulating body can be aligned well at the top and tied to the reinforcement of the ceiling or balcony. The pressure elements are arranged in the lower part. This ensures an optimal transfer of forces between the projecting outer part and the building.

Claims (12)

1. A building (construction) element for thermal insulation of buildings, especially in cantilevered projecting exterior portions, comprising an elongated insulating body (1, 2) of a thermally insulating material ; elongated metallic reinforcing elements (6, 7) which extend substantially transversely with respect to the insulating body (1, 2) and which protrude laterally ; and compression elements (12) for force transmission between the cantilevered projecting portion and the remainder of the building portions ; with the insulating body (1. 2) comprising an upper part (2) and a lower part (1) provided with recesses (5, 8) for the reinforcing elements (6, 7), and said upper part (2) and said lower part (1) being adapted to be secured to each other through complementary projections (4, 10) and notches (3, 11), characterized in that the upper part (2) includes grooves (5), extending horizontally in the installed state, for receiving reinforcing elements (6) which pass horizontally through the insulating body (1, 2), as well as pins (4) for the fixing of reinforcing elements (7) passing through the insulating body (1, 2) with an inclination to the horizontal ; that the compression elements (12) are adapted to be installed in the lower part (1) ; and that the reinforcing elements (6, 7) are adapted to be fixed by fitting together the upper part (2) and the lower part (1).
2. The building element according to claim 1, characterized in that the lower part (1) is provided with apertures (3, 11) for receiving with frictional engagement pins (4, 10) of the upper part (2).
3. The building element according to claim 2, characterized in that the lower part (1) is, in the region of the apertures (3), of so small a wall thickness that the lower part, when the pins (4) are inserted, is adapted to be broken up by the inclined reinforcing elements (7) held by said pins, up to the depth of penetration of said reinforcing elements.
4. The building element according to claims 2 or 3, characterized in that the pins (4) have their lower ends provided with grooves (8) for guiding the inclined reinforcing elements (7) placed thereinto.
5. The building element according to any one of claims 2 to 4, characterized in that auxiliary lugs or pins (10) are provided which function merely to strengthen the connection between the upper part (2) and the lower part (1) and which are mounted to the upper part (2) end engage apertures (11) of the lower part (1) with frictional engagement.
6. The building element according to any one of claims 2 to 5, characterized in that the upper part (2) has its upper portion formed to be wider than the lower part (1).
7. The building element according to claim 6, characterized in that in the assembled state the upper part (2) straddles the upper portion of the lower part (1).
8. The building element according to any one of claims 2 to 7, characterized in that for strengthening the joint or connection between upper part (2) and lower part (1) by means of a rod or the like adapted to be inserted thereinto, the pins each have at least one through hole (16) extending in the longitudinal direction of the insulating body, and the lower part (1) has a plurality of through holes (17) arranged one behind the other in the longitudinal direction of the pin and extending longitudinally of the insulating body.
9. The building element according to any one of claims 2 to 7, characterized in that for stabilizing the upper part (2), the upper portion thereof has disposed therein a continuous reinforcing rod (15) in the longitudinal direction of the insulating body.
10. The building element according to any one of claims 1 to 9, characterized in that the reinforcing elements (6, 7) are adapted to be fixed to the upper part by means of clamps or adhesive.
11. The building element according to any one of claims 1 to 10, characterized in that the lower part (1) is adapted to be fixed by means of a U-shaped retainer element (18) straddling the lower end of said lower part.
12. The building element according to any one of claims 1 to 11, characterized in that the lower part (1) is adapted to be varied in its length by cutting off the upper portion thereof, to fit it to the respective thickness of the building portions to be insulated.
EP83109634A 1983-01-27 1983-09-27 Building element for thermal insulation of buildings Expired EP0117897B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83109634T ATE24565T1 (en) 1983-01-27 1983-09-27 THERMAL INSULATION OF BUILDINGS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3302719A DE3302719C1 (en) 1983-01-27 1983-01-27 Component for heat insulation in buildings
DE3302719 1983-01-27

Publications (2)

Publication Number Publication Date
EP0117897A1 EP0117897A1 (en) 1984-09-12
EP0117897B1 true EP0117897B1 (en) 1986-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP83109634A Expired EP0117897B1 (en) 1983-01-27 1983-09-27 Building element for thermal insulation of buildings

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EP (1) EP0117897B1 (en)
AT (1) ATE24565T1 (en)
CA (1) CA1217021A (en)
DE (2) DE3302719C1 (en)

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CH678204A5 (en) * 1989-03-20 1991-08-15 Egco Ag
DE4002001C2 (en) * 1990-01-24 1995-02-09 Heinz Wieland Connection and reinforcement element for a component to be cantilevered from a wall
CH681031A5 (en) * 1990-02-12 1992-12-31 Stadler Heerbrugg Holding Ag
DE4300181C2 (en) * 1993-01-07 2001-11-29 Schoeck Bauteile Gmbh Component for thermal insulation in buildings
DE4341935C1 (en) * 1993-12-09 1995-04-20 Schoeck Bauteile Gmbh Structural element for heat insulation
DE19519630A1 (en) * 1995-05-29 1996-12-05 Sfs Handels Holding Ag Cantilever and / or joint element for reinforced building constructions
DE19519614C2 (en) * 1995-05-29 2000-03-16 Sfs Handels Holding Ag Cantilever and / or joint element for reinforced building constructions
AT1144U1 (en) * 1995-07-10 1996-11-25 Hako Bautechnik Ges M B H THERMAL INSULATING CONNECTOR
DE19638538A1 (en) * 1996-09-20 1998-03-26 Schoeck Bauteile Gmbh Component for thermal insulation
DE19652165C2 (en) * 1996-12-05 1999-06-17 Syspro Gruppe Betonbauteile E Prefabricated component for a cantilevered balcony slab
DE19722051A1 (en) * 1997-05-27 1998-12-03 Schoeck Bauteile Gmbh Modular building component system for heat insulation
DE19722028B4 (en) * 1997-05-27 2005-09-01 Schöck Bauteile GmbH 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
DE102004020914B4 (en) * 2004-04-28 2008-05-29 Max Frank Gmbh & Co Kg cantilever panel
DE102007056508B4 (en) * 2007-11-22 2010-11-25 Bs Ingenieure Ag Connection element, insert and cartridge
EP2354343B1 (en) 2010-02-10 2014-07-23 SPAETER Zug AG Cantilever plate connecting element / pressure elements

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DE2854476A1 (en) * 1978-12-16 1980-07-03 Basf Ag Cavity roof, wall or ceiling heat insulation - involves hard foamed plastics panels between elastic foamed retaining strips on structure
DE3005571C2 (en) * 1980-02-14 1982-02-18 Schöck, Eberhard, 7570 Baden-Baden Component for thermal insulation in buildings
DE3116381C2 (en) * 1981-04-24 1983-04-28 Eberhard Ing. Schöck (grad.), 7570 Baden-Baden Pressure element in a heat-insulating prefabricated component for projecting parts of the building

Also Published As

Publication number Publication date
DE3302719C1 (en) 1984-08-23
ATE24565T1 (en) 1987-01-15
DE3368711D1 (en) 1987-02-05
EP0117897A1 (en) 1984-09-12
CA1217021A (en) 1987-01-27

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