EP1036891A1 - Prefabricated composite system for producing interior or exterior walls for buildings - Google Patents

Prefabricated composite system for producing interior or exterior walls for buildings Download PDF

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Publication number
EP1036891A1
EP1036891A1 EP99103870A EP99103870A EP1036891A1 EP 1036891 A1 EP1036891 A1 EP 1036891A1 EP 99103870 A EP99103870 A EP 99103870A EP 99103870 A EP99103870 A EP 99103870A EP 1036891 A1 EP1036891 A1 EP 1036891A1
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EP
European Patent Office
Prior art keywords
spacers
composite system
plate
prefabricated composite
steel
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EP99103870A
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German (de)
French (fr)
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EP1036891B1 (en
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Gabriele Raschke
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Priority to EP99103870A priority Critical patent/EP1036891B1/en
Priority to DE59912765T priority patent/DE59912765D1/en
Priority to AT99103870T priority patent/ATE309423T1/en
Priority to US09/264,144 priority patent/US6151857A/en
Publication of EP1036891A1 publication Critical patent/EP1036891A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8635—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms

Definitions

  • the invention relates to a prefabricated composite system for the production of interior and / or External walls of buildings, consisting of an inner panel made of wood-based material and a Outer plate made of a heat-insulating hard foam, between the plates with concrete fillable cavities delimiting, one-piece, spaced apart and in rows arranged spacers, which are firmly connected to the inner plate by adhesive connections and communicate with the outer panel, and out in the cavities between the Spacers provided, extending in the concrete pouring direction and on the inner plate overlying steel grids with steel grids.
  • the invention is therefore based on the object of a prefabricated composite system to provide the type mentioned, which is also a point at high pressurization has increased stability of the outer plate and an overall increased bending stability, the Advantages of simple assembly, inexpensive production and problem-free Can be combined with corresponding conventional ceiling and interior wall composite systems prefabricated composite system according to DM-GM 93 13 091.0 should be retained.
  • a wood-based panel is provided, which both with the outer plate and with the latter facing bearing surface of each of the assigned spacer is firmly connected by the adhesive connections and one of the length or width of the inner and outer plates has a corresponding length and a width which is at least twice the largest dimension of the contact surface of each spacer, and that each steel grid by a plurality of mutually spaced, each clamp-like over a part of the steel mesh gripping fasteners is stably fixed on the inner plate.
  • each spacer each connected by means of adhesive to the inner panel and to the corresponding wood-based panel that is glued to the outer panel, each form an adhesive surface of at least 45 cm 2 .
  • At least 12 of the spacers arranged in series are preferably provided per m 2 of the composite system. Three rows of spacers can be provided per m 2 of the composite system, the distance between their neighboring rows being the same, four spacers being provided in each row and the distance between adjacent spacers of each row being the same.
  • the clamp-like fastening elements preferably each have a central one Steel girder or main part encompassing part of the steel grid with a cross-sectional shape an inverted U's, the legs of which are each bent at a 90 ° angle at the lower end pass over plate-like part, which lies flat on the inner plate and at least one Has punched in which a driven screw driven into the inner plate is.
  • the fasteners can be formed from sheet steel or from a tough one Injection molded plastic.
  • the outer panel preferably consists of flame-retardant polystyrene rigid foam, such as STYROPOR.
  • STYROPOR flame-retardant polystyrene rigid foam
  • This material fulfills the fire protection requirements and is considered Building material has been tried and tested in practice for a long time.
  • the necessary STYROPOR sheets can be easily produced on a large scale in the desired dimensions.
  • the outer panel can have different conditions with regard to thermal insulation be adjusted. It is also possible to make the outer panel from other structural foams to manufacture.
  • the inner panel consists of a formaldehyde-free chipboard with a high Wood content.
  • the interior panels can be covered on the living room side with wallpaper or a textile Wall coating can be provided so that the application of an additional interior plaster layer can be omitted.
  • the spacers between the inner plate and the respective connected to the outer plate Wood-based panels can also consist of STYROPOR elements and square, have circular or rectangular contact surfaces to ensure a permanent as well as firm To form an adhesive connection with the inner panel and the respective wood-based panel.
  • the Spacers can e.g. consist of double-T profiles made of STYROPOR, with which at Using a suitable adhesive, a particularly resistant adhesive bond can be achieved.
  • Spacers made of compressed waste paper, wood fibers or pressboard or grown Woods are also suitable. Spacers made from a heavy material have also proven their worth flammable, polar plastic and made of a secondary material, taking care to that the adhesives used both with this plastic and with the respective Wood-based panel enter into a resistant connection.
  • the stability of the prefabricated composite system is increased in a satisfactory manner by the specially dimensioned wood-based panels provided in each case between the spacers arranged in a row and the outer panel, so that even with occasional permanent loads on the outer surface of the outer panel, for example made of STYROPOR Damage to this are practically impossible.
  • This increase in stability of the prefabricated composite system according to the invention is at the same time due to an improved bending stability of the latter, which is brought about by the steel grids, which are fixed with the special fastening elements on the inner plate and each extend in the cavities between the spacers in the concrete pouring direction.
  • the prefabricated composite system can be provided with corresponding cutouts for the installation of windows and / or doors.
  • cladding tubes or cladding segments for installation lines for the sanitary area and / or for the electrical power supply can be arranged in the composite system.
  • At least one stiffening metal profile is usually detachably fastened to the two outer areas of the inner plate, on which fastening means for ropes are provided in order to enable safe transportation of the prefabricated composite system during assembly by means of a crane.
  • the prefabricated composite system has an outer plate 1 consisting of a heat-insulating hard foam such as STYROPOR and an inner plate 2 formed from a wood material, which are spaced apart from one another.
  • an outer plate 1 consisting of a heat-insulating hard foam such as STYROPOR and an inner plate 2 formed from a wood material, which are spaced apart from one another.
  • spacers 3 which are spaced apart from one another and arranged in rows, namely, according to the preferred embodiment according to FIG. 1, three rows of spacers 3 per m 2 of the prefabricated composite system, the distance between their adjacent rows being the same, Four spacers 3 are provided in each row and the distance between adjacent spacers 3 of each row is the same.
  • the spacers 3 delimit cavities 4 that can be filled with concrete between the plates 1 and 2.
  • each spacer 3 is always provided, both with the outer plate 1 and with the support surface 7 facing the latter the associated spacers 3 are each connected by an adhesive connection 5. With their opposite bearing surface 7, the spacers 3 are each firmly connected to the inner plate 2 by further adhesive connections 5.
  • Each wood-based panel 6 has a length and a width corresponding to the length or width of the inner and outer panels 2 and 1, respectively, and a width that is at least twice as large as the largest dimension of the contact surface 7 of each spacer 3.
  • FIG. 3 shows a preferred embodiment of the clamp-like fastening elements 10 that each have a central, a steel grid support 17 or a part 9 of the steel grid 8 (Fig. 4) encompassing main body 12 with a cross-sectional shape of an inverted U, whose leg 13 at the lower end in each case in a plate-like part 14 angled by 90 ° pass over, which lies flat on the inner plate 2 and at least one punching 15 has, in which a driven in the inner plate 2 mounting screw 16 (Fig. 4) is.
  • the fasteners 10 can be formed from sheet steel or from a suitable one resistant plastic can be injection molded.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

Between the inner wooden plate (2) and the outer heat-insulating hard foam plate (1) the cavity is filled with concrete and spacers (3). Between the spacers and the outer plate (1) is a further intermediate wooden plate (6) which is fixedly connected by adhesive spots (5) to both the outer plate and the bearing face (7) of each spacer. The wooden plate has the length and width corresponding to the inner and outer plates and at least twice as large as the maximum dimensions of the bearing face (7) of each spacer. Each steel grid (8) is fixed stable on the inner plate (2) by several spaced fixing elements (10) which clip over a part of the steel grid.

Description

Die Erfindung betrifft ein vorgefertigtes Verbundsystem zur Herstellung von Innen- und/oder Außenwänden von Gebäuden, bestehend aus einer Innenplatte aus Holzwerkstoff und einer Außenplatte aus einem wärmedämmenden harten Schaumstoff, zwischen den Platten mit Beton ausfüllbare Hohlräume begrenzenden, einteiligen, zueinander beabstandet und reihenmäßig angeordneten Abstandshaltern, die mit der Innenplatte durch Klebeverbindungen fest verbunden und mit der Außenplatte in Verbindung stehen, und aus in den Hohlräumen zwischen den Abstandshaltern vorgesehenen, sich in Betongießrichtung erstreckenden und auf der Innenplatte aufliegendenden, Stahlgitterträger aufweisenden Stahlgittern.The invention relates to a prefabricated composite system for the production of interior and / or External walls of buildings, consisting of an inner panel made of wood-based material and a Outer plate made of a heat-insulating hard foam, between the plates with concrete fillable cavities delimiting, one-piece, spaced apart and in rows arranged spacers, which are firmly connected to the inner plate by adhesive connections and communicate with the outer panel, and out in the cavities between the Spacers provided, extending in the concrete pouring direction and on the inner plate overlying steel grids with steel grids.

Es ist bereits gängige Praxis, zur Herstellung einer Außenwand Schalungssteine aus STYROPOR zu verwenden, deren Kammern mit Beton gefüllt werden. Zur Errichung der Außenwand werden die Schalungssteine schichtweise aufeinandergesetzt und beidseitig mit einem Putz versehen. Eine derartige Bauweise ist verhältnismäßig aufwendig. Da eine erhebliche Anzahl an Schalungssteinen zur Verfügung stehen muß und die Herstellung letzterer nur in speziell dafür geeigneten Formen erfolgen kann, ergeben sich hohe Herstellungskosten. Weiterhin muß die Innenfläche der auf diese Weise errichteten Wände vor dem Aufbringen von Tapeten, Fliesen oder dgl. mit einem Innenputz versehen werden.It is already common practice to manufacture formwork blocks from STYROPOR to use, the chambers of which are filled with concrete. To erect the outer wall the formwork blocks are stacked on top of each other and plastered on both sides. A such construction is relatively expensive. Because a significant number of formwork blocks must be available and the production of the latter only in specially suitable forms can result in high manufacturing costs. Furthermore, the inner surface of the on this Wise erected walls before applying wallpaper, tiles or the like with an interior plaster be provided.

Bei einem bekannten vorgefertigten Verbundsystem ähnlich der eingangs erwähnten Art (DE-GM 93 13 091.0) sind die Abstandselemente, die von Holz- und/oder Kunststoffkörpern gebildet sind, sowohl mit der z.B. aus schwer entflammbarem Polystyren-Hartschaum bestehenden Außenplatte als auch mit der Innenplatte, die auch aus Gipswerkstoff oder Faserzement bestehen kann, an ihren jeweiligen Auflageflächen durch die Klebeverbindungen unmittelbar fest verbunden. Dieses bekannte Verbundsystem läßt sich mit einem verhältnismäßig geringen Aufwand herstellen, einfach montieren und erfordert nur eine einmalige Fassadenbehandlung mit Außenputz oder Kunststoff-Dünnputz, wodurch die Baukosten beträchtlich gesenkt werden. Die Praxis hat jedoch gezeigt, daß bei punktueller hoher Druckbeaufschlagung der z.B. aus STYROPOR bestehenden Außenplatte im Bereich der jeweils verhältnismäßig kleinen Kontaktfläche zwischen der Außenplatte und jedem Abstandshalter die Gefahr von Langzeitschäden der Außenplatte gegeben ist.In a known prefabricated composite system similar to the type mentioned at the beginning (DE-GM 93 13 091.0) are the spacer elements that are formed from wooden and / or plastic bodies, both with e.g. outer panel made of flame-retardant polystyrene rigid foam as well as with the inner plate, which can also consist of gypsum material or fiber cement respective contact surfaces directly connected by the adhesive connections. This known composite system can be manufactured with relatively little effort, simply assemble and requires only a single facade treatment with external plaster or thin plastic plaster, which significantly reduces construction costs. However, practice has shown that at high pressures, e.g. outer plate made of STYROPOR in Area of the relatively small contact area between the outer plate and each Spacers there is a risk of long-term damage to the outer panel.

Der Erfindung liegt daher die Aufgabe zugrunde, ein vorgefertigtes Verbundsystem der eingangs erwähnten Art zur Verfügung zu stellen, das auch bei punktuell hoher Druckbeaufschlagung eine erhöhte Stabilität der Außenplatte sowie insgesamt eine erhöhte Biegestabilität aufweist, wobei die Vorteile der einfachen Montage, der kostengünstigen Herstellung sowie der problemlosen Kombinierbarkeit mit entsprechenden herkömmlichen Decken-und Innenwandverbundsystemen des vorgefertigten Verbundsystems nach dem DM-GM 93 13 091.0 erhalten bleiben sollen.The invention is therefore based on the object of a prefabricated composite system to provide the type mentioned, which is also a point at high pressurization has increased stability of the outer plate and an overall increased bending stability, the Advantages of simple assembly, inexpensive production and problem-free Can be combined with corresponding conventional ceiling and interior wall composite systems prefabricated composite system according to DM-GM 93 13 091.0 should be retained.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß zwischen den jeweils in einer Reihe angeordneten Abstandshaltern und der Außenplatte eine Holzwerkstoffplatte vorgesehen ist, die sowohl mit der Außenplatte als auch mit der letzterer zugewandten Auflagefläche jedes der zugeordneten Abstandshalter durch die Klebeverbindungen fest verbunden ist und eine der Länge oder Breite der Innen- und der Außenplatte entsprechende Länge und eine Breite aufweist, die mindestens doppelt so groß wie die größte Abmessung der Auflagefläche jedes Abstandshalters ist, und daß jedes Stahlgitter durch eine Vielzahl zueinander beabstandeter, jeweils schellenartig über ein Teil des Stahlgitters greifender Befestigungselemente auf der Innenplatte stabil fixiert ist.This object is achieved in that between each in a row arranged spacers and the outer plate, a wood-based panel is provided, which both with the outer plate and with the latter facing bearing surface of each of the assigned spacer is firmly connected by the adhesive connections and one of the length or width of the inner and outer plates has a corresponding length and a width which is at least twice the largest dimension of the contact surface of each spacer, and that each steel grid by a plurality of mutually spaced, each clamp-like over a part of the steel mesh gripping fasteners is stably fixed on the inner plate.

Vorzugsweise bilden die jeweils mittels Klebstoff mit der Innenplatte und mit der entsprechenden Holzwerkstoffplatte, die an der Außenplatte festgeklebt ist, verbundenen Auflageflächen jedes Abstandshalters jeweils eine Klebefläche von mindestens 45 cm2. Bevorzugt sind pro m2 des Verbundsystems mindestens 12 der reihenmäßig angeordneten Abstandshalter vorgesehen. Pro m2 des Verbundsystems können drei Reihen Abstandshalter vorgesehen sein, wobei der Abstand zwischen deren benachbarten Reihen jeweils gleich ist, in jeder Reihe vier Abstandshalter vorgesehen sind und der Abstand zwischen benachbarten Abstandshaltern jeder Reihe jeweils gleich ist.Preferably, the contact surfaces of each spacer, each connected by means of adhesive to the inner panel and to the corresponding wood-based panel that is glued to the outer panel, each form an adhesive surface of at least 45 cm 2 . At least 12 of the spacers arranged in series are preferably provided per m 2 of the composite system. Three rows of spacers can be provided per m 2 of the composite system, the distance between their neighboring rows being the same, four spacers being provided in each row and the distance between adjacent spacers of each row being the same.

Vorzugsweise weisen die schellenartigen Befestigungselemente jeweils einen mittigen, einen Stahlträger oder einen Teil des Stahlgitters umgreifenden Hauptteil mit einer Querschnittsform eines umgekehrten U's auf, dessen Schenkel am unteren Ende jeweils in einen um 90° abgewinkelten plattenartigen Teil übergehen, der jeweils auf der Innenplatte plan aufliegt und mindestens eine Stanzung aufweist, in der eine in die Innenplatte getriebene Befestigungsschraube aufgenommen ist. Die Befestigungselemente können aus Stahlblech geformt oder aus einem widerstandsfähigen Kunststoff spritzgegossen sein.The clamp-like fastening elements preferably each have a central one Steel girder or main part encompassing part of the steel grid with a cross-sectional shape an inverted U's, the legs of which are each bent at a 90 ° angle at the lower end pass over plate-like part, which lies flat on the inner plate and at least one Has punched in which a driven screw driven into the inner plate is. The fasteners can be formed from sheet steel or from a tough one Injection molded plastic.

Bevorzugt besteht die Außenplatte aus schwer entflammbarem Polystyren-Hartschaum, wie z.B. STYROPOR. Dieser Werkstoff erfüllt die brandschutztechnischen Bedingungen und ist als Bauwerkstoff bereits seit längerem in der Praxis erprobt. Die erforderlichen STYROPOR-Platten lassen sich in gewünschten Abmessungen problemlos großtechnisch herstellen. Durch Variation der Wanddicke kann die Außenplatte unterschiedlichen Bedingungen hinsichtlich der Wärmedämmung angepaßt werden. Es ist auch möglich, die Außenplatte aus anderen bautechnischen Schaumstoffen herzustellen.The outer panel preferably consists of flame-retardant polystyrene rigid foam, such as STYROPOR. This material fulfills the fire protection requirements and is considered Building material has been tried and tested in practice for a long time. The necessary STYROPOR sheets can be easily produced on a large scale in the desired dimensions. By varying the Wall thickness, the outer panel can have different conditions with regard to thermal insulation be adjusted. It is also possible to make the outer panel from other structural foams to manufacture.

Vorzugsweise besteht die Innnenplatte aus einer formaldehyfreien Spanplatte mit hohem Holzanteil. Die Innenplatten können wohnraumseitig mit Tapete oder einer textilen Wandbeschichtung versehen werden, so daß die Aufbringung einer zusätzlichen Innenputzschicht entfallen kann.Preferably, the inner panel consists of a formaldehyde-free chipboard with a high Wood content. The interior panels can be covered on the living room side with wallpaper or a textile Wall coating can be provided so that the application of an additional interior plaster layer can be omitted.

Die Abstandshalter zwischen der Innenplatte und den jeweiligen mit der Außenplatte verbundenen Holzwerkstoffplatten können ebenfalls aus STYROPOR-Elementen bestehen und quadratische, kreis- oder rechteckförmige Auflageflächen haben, um eine dauerhafte sowie feste Klebeverbindung mit der Innenplatte und der jeweiligen Holzwerkstoffplatte zu bilden. Die Abstandselemente können z.B. aus Doppel-T-Profilen aus STYROPOR bestehen, mit denen bei Einsatz eines geeigneten Klebstoffs ein besonders widerstandsfähiger Haftverbund erzielbar ist. Abstandshalter aus komprimiertem Altpapier, Holzfasern bzw. Preßspan oder gewachsenen Hölzern sind auch geeignet. Bewährt haben sich auch Abstandselemente aus einem schwer entflammbaren, polaren Kunststoff und aus einem Sekundärmaterial, wobei darauf zu achten ist, daß die verwendeten Klebstoffe sowohl mit diesem Kunststoff als auch mit der jeweiligen Holzwerkstoffplatte eine widerstandsfähige Verbindung eingehen. The spacers between the inner plate and the respective connected to the outer plate Wood-based panels can also consist of STYROPOR elements and square, have circular or rectangular contact surfaces to ensure a permanent as well as firm To form an adhesive connection with the inner panel and the respective wood-based panel. The Spacers can e.g. consist of double-T profiles made of STYROPOR, with which at Using a suitable adhesive, a particularly resistant adhesive bond can be achieved. Spacers made of compressed waste paper, wood fibers or pressboard or grown Woods are also suitable. Spacers made from a heavy material have also proven their worth flammable, polar plastic and made of a secondary material, taking care to that the adhesives used both with this plastic and with the respective Wood-based panel enter into a resistant connection.

Handelsübliche Klebstoffe wie z.B. ein Einkomponenten-Klebstoff auf Polyurethan-Basis, die mit Luftsauerstoff abbinden, haben sich bewährt, wobei die Wartezeit bis zum Einsetzen des Abbindevorgangs mindestens 45 min. betragen sollte. Es können aber auch Zweikomponenten - Klebstoffe verwendet werden, wenn die offenen Wartezeiten erreicht werden und keine speziellen Bedingungen zum Abbinden erforderlich sind. Die verwendeten Klebstoffe sollten jedoch eine relativ hohe Spaltüberbrückbarkeit haben, indem sie während des Abbindeprozesses ihr Volumen vergrößern, und einfach dosierbar, umweltverträglich sowie gegen Wasser und Chemikalien resistent sein.Commercial adhesives such as a one-component adhesive based on polyurethane, which with Setting off atmospheric oxygen has proven itself, with the waiting time before the onset of Setting process at least 45 min. should be. But two-component - Adhesives are used when the open waiting times are reached and no special ones Tying conditions are required. However, the adhesives used should be one have a relatively high gap bridging capacity by increasing their volume during the setting process enlarge, and easy to dose, environmentally friendly and against water and chemicals be resistant.

Es hat sich überraschend gezeigt, daß durch die speziell bemessenen, jeweils zwischen den in einer Reihe angeordneten Abstandshaltern und der Außenplatte vorgesehenen Holzwerkstoffplatten die Stabilität des vorgefertigten Verbundsystems in zufriedenstellender Weise erhöht wird, so daß auch bei punktuellen Dauerbelastungen auf der Außenfläche der Außenplatte z.B. aus STYROPOR Schäden an dieser praktisch ausgeschlossen sind. Diese Stabilitätserhöhung des erfindungsgemäßen vorgefertigten Verbundsystems ist zugleich bedingt durch eine verbesserte Biegestabilität des letzteren, die durch die mit den spezielen Befestigungselementen auf der Innenplatte festgelegten, sich jeweils in den Hohlräumen zwischen den Abstandshaltern in Betongießrichtung erstreckenden Stahlgittern bewirkt wird.
Für den Einbau von Fenstern und/oder Türen kann das vorgefertigte Verbundsystem mit entsprechenden Aussparungen versehen sein. Weiterhin können vor dem Ausgießen der Hohlräume mit Beton Hüllrohre oder Hüllsegmente für Installationsleitungen für den Sanitärbereich und/oder für die elektrische Stromversorgung im Verbundsystem angeordnet werden. An den beiden außenliegenden Bereichen der Innenplatte ist für gewöhnlich mindestens ein versteifend wirkendes Metalprofil lösbar befestigt, an dem Befestigungsmittel für Seile vorgesehen sind, um einen sicheren Transport des vorgefertigten Verbundsystems bei der Montage mittels Kran zu ermöglichen.It has surprisingly been found that the stability of the prefabricated composite system is increased in a satisfactory manner by the specially dimensioned wood-based panels provided in each case between the spacers arranged in a row and the outer panel, so that even with occasional permanent loads on the outer surface of the outer panel, for example made of STYROPOR Damage to this are practically impossible. This increase in stability of the prefabricated composite system according to the invention is at the same time due to an improved bending stability of the latter, which is brought about by the steel grids, which are fixed with the special fastening elements on the inner plate and each extend in the cavities between the spacers in the concrete pouring direction.
The prefabricated composite system can be provided with corresponding cutouts for the installation of windows and / or doors. Furthermore, before pouring the cavities with concrete, cladding tubes or cladding segments for installation lines for the sanitary area and / or for the electrical power supply can be arranged in the composite system. At least one stiffening metal profile is usually detachably fastened to the two outer areas of the inner plate, on which fastening means for ropes are provided in order to enable safe transportation of the prefabricated composite system during assembly by means of a crane.

Die Erfindung wird nun im einzelnen anhand der Zeichnungen beschrieben. In letzteren sind:

  • Fig. 1 eine perspektivische Ansicht einer bevorzugten Ausführungsform des vorgefertigten Verbundsystems, wobei die Stahlgitter zu besseren Übersicht weggelassen sind,
  • Fig. 2 eine Ansicht eines Schnitts durch das vorgefertigte Verbundsystem in einer Ebene senkrecht zur Betongießrichtung,
  • Fig. 3 eine perspektvische Ansicht eines schellenartigen Befestigungselementes und
  • Fig. 4 eine Detailschnittansicht des vorgefertigten Verbundsystems, aus der die Befestigung je eines Stahlträgers beidseits eines Abstandshalters aus STYROPOR hervorgeht.
    • The invention will now be described in detail with reference to the drawings. In the latter are:
  • 1 is a perspective view of a preferred embodiment of the prefabricated composite system, the steel grids being omitted for a better overview,
  • 2 is a view of a section through the prefabricated composite system in a plane perpendicular to the concrete pouring direction,
  • Fig. 3 is a perspective view of a clamp-like fastener and
  • Fig. 4 is a detailed sectional view of the prefabricated composite system, from which the attachment of a steel beam emerges on both sides of a spacer made of STYROPOR.

    • Wie aus Fig. 1 hervorgeht, weist das vorgefertigte Verbundsystem eine aus einem wärmedämmenden harten Schaumstoff wie STYROPOR bestehende Außenplatte 1 und eine aus einem Holzwerkstoff gebildete Innenplatte 2 auf, die zueinander beabstandet sind. Zwischen den Platten 1 und 2 sind einteilige, zueinander beabstandete und reihenmäßig angeordnete Abstandshalter 3 vorgesehen, und zwar gemäß der bevorzugten Ausführungsform nach Fig. 1 pro m2 des vorgefertigten Verbundsystems drei Reihen Abstandshalter 3, wobei der Abstand zwischen deren benachbarten Reihen jeweils gleich ist, in jeder Reihe vier Abstandshalter 3 vorgesehen sind und der Abstand zwischen benachbarten Abstandshaltern 3 jeder Reihe gleich ist. Die Abstandshalter 3 begrenzen zwischen den Platten 1 und 2 mit Beton ausfüllbare Hohlräume 4 Zwischen den jeweils in einer Reihe angeordneten Abstandshaltern 3 und der Außenplatte 1 ist stets eine Holzwerkstoffplatte 6 vorgesehen, die sowohl mit der Außenplatte 1 als auch mit der letzterer zugewandten Auflagefläche 7 jedes der zugeordneten Abstandshalter 3 jeweils durch eine Klebeverbindung 5 verbunden sind. Mit ihrer gegenüberliegenden Auflagefläche 7 sind die Abstandshalter 3 jeweils mit der Innenplatte 2 durch weitere Klebeverbindungen 5 fest verbunden. Die jeweils mittels Klebstoff mit der Innenplatte 2 und mit der entsprechenden Holzwerkstoffplatte 6, die an der Außenplatte 1 festgeklebt ist, verbundenen Auflageflächen 7 jedes Abstandshalters 3 bilden jeweils eine Klebefläche von mindestens 45 cm2. Jede Holzwerkstoffplatt 6 weist eine der Länge oder Breite der Innen- und der Außenplatte 2 bzw. 1 entsprechende Länge und eine Breite auf, die mindestens doppelt so groß wie die größte Abmessung der Auflagefläche 7 jedes Abstandshalters 3 ist.As can be seen from FIG. 1, the prefabricated composite system has an outer plate 1 consisting of a heat-insulating hard foam such as STYROPOR and an inner plate 2 formed from a wood material, which are spaced apart from one another. Provided between the plates 1 and 2 are one-piece spacers 3 which are spaced apart from one another and arranged in rows, namely, according to the preferred embodiment according to FIG. 1, three rows of spacers 3 per m 2 of the prefabricated composite system, the distance between their adjacent rows being the same, Four spacers 3 are provided in each row and the distance between adjacent spacers 3 of each row is the same. The spacers 3 delimit cavities 4 that can be filled with concrete between the plates 1 and 2. Between the spacers 3 arranged in a row and the outer plate 1, a wood-based panel 6 is always provided, both with the outer plate 1 and with the support surface 7 facing the latter the associated spacers 3 are each connected by an adhesive connection 5. With their opposite bearing surface 7, the spacers 3 are each firmly connected to the inner plate 2 by further adhesive connections 5. The contact surfaces 7 of each spacer 3, each connected by means of adhesive to the inner panel 2 and to the corresponding wood-based panel 6, which is glued to the outer panel 1, each form an adhesive surface of at least 45 cm 2 . Each wood-based panel 6 has a length and a width corresponding to the length or width of the inner and outer panels 2 and 1, respectively, and a width that is at least twice as large as the largest dimension of the contact surface 7 of each spacer 3.

    Wie aus Fig. 2 hervorgeht, sind in den Hohlräumen 4 zwischen den Abstandshaltern 3 Stahlgitterträger 18 aufweisende Stahlgitter 8 vorgesehen,die sich in Betongießrichtung erstrecken, auf der Innenplatte 2 aufliegen und auf dieser stabil fixiert sind. Die stabile Fixierung jedes Stahlgitters 8 auf der Innenplatte 2 ist, wie aus Fig. 4 ersichtlich, durch eine Vielzahl Befestigungselemente 10 gegeben, die zueinander beabstandet sind, jeweils über ein Teil 9 des Stahlgitters 8 oder einen mit dem jeweiligen Stahlgitter 8 verbundenen Stahlgitterträger 17 schellenartig greifen und an der Innenplatte 2 befestigt sind.As can be seen from FIG. 2, there are in the cavities 4 between the spacers 3 Steel grids 8 having steel lattice girders 18 are provided, which extend in the concrete pouring direction, rest on the inner plate 2 and are stably fixed thereon. The stable fixation of everyone Steel grid 8 on the inner plate 2 is, as can be seen from Fig. 4, by a variety Given fasteners 10 which are spaced from each other, each via a part 9 of the Steel grid 8 or a steel grid support 17 connected to the respective steel grid 8 grip like a clamp and are attached to the inner plate 2.

    Aus Fig. 3 geht eine bevorzugte Ausführungsform der schellenartigen Befestigungselemente 10 hervor, die jeweils einen mittigen, einen Stahlgitterträger 17 oder ein Teil 9 des Stahlgitters 8 (Fig. 4) umgreifenden Hauptteil 12 mit einer Querschnittsform eines umgekehrten U's aufweisen, dessen Schenkel 13 am unteren Ende jeweils in einen um 90° abgewinkelten plattenartigen Teil 14 übergehen, der jeweils auf der Innenplatte 2 plan aufliegt und mindestens eine Stanzung 15 aufweist, in der eine in die Innenplatte 2 getriebene Befestigungsschraube 16 (Fig. 4) aufgenommen ist. Die Befestigungselemente 10 können aus Stahlblech geformt oder aus einem geeigneten widerstandsfähigen Kunststoff im Spritzgußverfahren hergestellt sein.3 shows a preferred embodiment of the clamp-like fastening elements 10 that each have a central, a steel grid support 17 or a part 9 of the steel grid 8 (Fig. 4) encompassing main body 12 with a cross-sectional shape of an inverted U, whose leg 13 at the lower end in each case in a plate-like part 14 angled by 90 ° pass over, which lies flat on the inner plate 2 and at least one punching 15 has, in which a driven in the inner plate 2 mounting screw 16 (Fig. 4) is. The fasteners 10 can be formed from sheet steel or from a suitable one resistant plastic can be injection molded.

    Claims (7)

    Vorgefertigtes Verbundsystem zur Herstellung von Innen- und/oder Außenwänden von Gebäuden, bestehend aus einer Innenplatte aus Holzwerkstoff und einer Außenplatte aus einem wärmedämmenden harten Schaumstoff, zwischen den Platten mit Beton ausfüllbare Hohlräume begrenzenden, einteiligen,zu einander beabstandet und reihenmäßig angeordneten Abstandshaltern, die mit der Innenplatte durch Klebeverbindungen fest verbunden und mit der Außenplatte in Verbindung stehen, und aus in den Hohlräumen zwischen den Abstandshaltern vor gesehenen, sich in Betongießrichtung erstreckenden und auf der Innenplatte aufliegenden, Stahlgitterträger aufweisenden Stahlgittern, dadurch gekennzeichnet, daß zwischen den jeweils in einer Reihe angeordneten Abstandshaltern (3) und der Außenplatte (1) eine Holzwerkstoffplatte (6) vorgesehen ist, die sowohl mit der Außenplatte (1) als auch mit der letzterer zugewandten Auflagefläche (7) jedes der zugeordneten Abstandshalter (3) durch Klebverbindungen (5) fest verbunden ist und eine der Länge oder Breite der Innen- und der Außenplatte (2 bzw. 1) entsprechende Länge und eine Breite aufweist, die mindestens doppelt so groß wie die größte Abmessung der Auflagefläche (7) jedes Abstandshalters (3) ist, und daß jedes Stahlgitter (8) durch eine Vielzahl zueinander beabstandeter, jeweils schellenartig über ein Teil (9) des Stahlgitters (8) greifender Befestigungselemente (10) auf der Innenplatte (2) stabil fixiert ist.Prefabricated composite system for the production of inner and / or outer walls of buildings, consisting of an inner panel made of wood-based material and an outer panel made of a heat-insulating hard foam, cavities that can be filled with concrete between the panels, one-piece, spaced apart and arranged in series spacers that with the inner plate is firmly connected by adhesive connections and are connected to the outer plate, and from steel grids having steel grating supports which are seen in the cavities between the spacers and which extend in the concrete pouring direction and lie on the inner plate, characterized in that they are arranged in a row between them Spacers (3) and the outer plate (1) a wood-based panel (6) is provided, both with the outer plate (1) and with the latter facing bearing surface (7) of each of the assigned spacers (3) by adhesive connections (5) is firmly connected and has a length and a width corresponding to the length or width of the inner and outer plates (2 and 1) and a width which is at least twice as large as the largest dimension of the contact surface (7) of each spacer (3) and that each steel grid (8) is stably fixed on the inner plate (2) by a plurality of mutually spaced, each clamp-like over part (9) of the steel grid (8) fastening elements (10). Vorgefertigtes Verbundsystem nach Anspruch 1, dadurch gekennzeichnet, daß die jeweils mittels Klebstoff mit der Innenplatte (2) und mit der entsprechenden Holzwerkstoffplatte (6), die an der Außenplatte (1) festgeklebt ist, verbundenen Auflageflächen (7) jedes Abstandshalters (3) jeweils eine Klebefläche von mindestens 45 cm2 bilden.Prefabricated composite system according to claim 1, characterized in that the respective contact surfaces (7) of each spacer (3), which are respectively connected by adhesive to the inner plate (2) and to the corresponding wood-based material plate (6) which is glued to the outer plate (1) form an adhesive surface of at least 45 cm 2 . Vorgefertigtes Verbundsystem nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß pro m2 des Verbundsystems mindestens 12 der reihenmäßig angeordneten Abstandshalter (3) vorgesehen sind.Prefabricated composite system according to one of claims 1 or 2, characterized in that at least 12 of the spacers (3) arranged in series are provided per m 2 of the composite system. Vorgefertigtes Verbundsystem nach Anspruch 3, dadurch gekennzeichnet, daß pro m2 des Verbundsystems drei Reihen Abstandshalter (3) vorgesehen sind, wobei der Abstand zwischen deren benachbarten Reihen jeweils gleich ist, in jeder Reihe vier Abstandshalter (3) vorgesehen sind und der Abstand zwischen benachbarten Abstandshaltern (3) jeder Reihe jeweils gleich ist.Prefabricated composite system according to claim 3, characterized in that three rows of spacers (3) are provided per m 2 of the composite system, the distance between their adjacent rows being the same, four spacers (3) being provided in each row and the distance between adjacent ones Spacers (3) each row is the same. Vorgefertigtes Verbundsystem nach Anspruch 1, dadurch gekennzeichnet, daß die schellenartigen Befestigungselemente (10) jeweils einen mittigen, einen Stahlträger oder ein Teil (9) des Stahlgitters (8) umgreifenden Hauptteil (12) mit einer Querschnittsform eines umgekehrten U aufweisen, dessen Schenkel (13) am unteren Ende jeweils in einen um 90° abgewinkelten plattenartigen Teil (14) übergehen, der jeweils auf der Innenplatte (2) plan aufliegt und mindestens eine Stanzung (15) aufweist, in der eine in die Innenplatte (2) getriebene Befestigungsschraube (16) aufgenommen ist.Prefabricated composite system according to claim 1, characterized in that the clamp-like fastening elements (10) each have a central main part (12) encompassing a steel beam or part (9) of the steel grid (8) with a cross-sectional shape of an inverted U, the limb (13 ) at the lower end each merge into a plate-like part (14) angled by 90 °, which lies flat on the inner plate (2) and has at least one stamping (15) in which a fastening screw (16) driven into the inner plate (2) ) is included. Vorgefertigtes Verbundsystem nach Anspruch 5, dadurch gekennzeichnet, daß die Befestigungselemente (10) aus Stahlblech geformt sind.Prefabricated composite system according to claim 5, characterized in that the fastening elements (10) are formed from sheet steel. Vorgefertigtes Verbundsystem nach Anspruch 5, dadurch gekennzeichnet, daß die Befestigungselemente (10) aus einem widerstandsfähigen Kunststoff spritzgegossen sind.Prefabricated composite system according to claim 5, characterized in that the fastening elements (10) are injection molded from a resistant plastic.
    EP99103870A 1999-03-01 1999-03-01 Prefabricated composite system for producing interior or exterior walls for buildings Expired - Lifetime EP1036891B1 (en)

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    EP99103870A EP1036891B1 (en) 1999-03-01 1999-03-01 Prefabricated composite system for producing interior or exterior walls for buildings
    DE59912765T DE59912765D1 (en) 1999-03-01 1999-03-01 Prefabricated composite system for the production of interior and / or exterior walls of buildings
    AT99103870T ATE309423T1 (en) 1999-03-01 1999-03-01 PREFABRICATED COMPOSITE SYSTEM FOR PRODUCING INTERIOR AND/OR EXTERIOR WALLS OF BUILDINGS
    US09/264,144 US6151857A (en) 1999-03-01 1999-03-05 Prefabricated composite construction system for internal and/or external building-walls

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    EP99103870A EP1036891B1 (en) 1999-03-01 1999-03-01 Prefabricated composite system for producing interior or exterior walls for buildings
    US09/264,144 US6151857A (en) 1999-03-01 1999-03-05 Prefabricated composite construction system for internal and/or external building-walls

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    AT10642U3 (en) * 2008-06-18 2010-01-15 Gabriele Witzani METHOD FOR THE PRODUCTION OF HOLLOW WALL AND CEILING SYSTEMS IN A LIGHTWEIGHT DESIGN
    FR2935721A1 (en) * 2008-09-08 2010-03-12 Sebastien Barriere Heat insulation block for concrete load-bearing wall of dwelling, has molded plate with spreader bars and precuts for pre-assembling quoins of walls, where spreader bars are separated from integrated recesses and glued to insulating plate
    ITRM20110238A1 (en) * 2011-05-13 2012-11-14 Giovanni Cenci METHOD FOR CONSTRUCTION OF INSULATED FORMWORKS FOR CONTAINMENT OF CONCRETE THROUGHOUT IN ORDER TO CREATE WALLS IN REINFORCED CONCRETE, AND MEANS FOR ITS IMPLEMENTATION
    AT14496U1 (en) * 2014-01-22 2015-12-15 Markus Ing Mag Zijerveld Wooden lightweight construction wall in buildings, especially in residential and precast buildings
    US11155995B2 (en) * 2018-11-19 2021-10-26 Airlite Plastics Co. Concrete form with removable sidewall
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    WO2009027960A1 (en) * 2007-08-29 2009-03-05 Eden Research And Development Company Limited A connector for connecting a pair of spaced apart formwork panels, a formwork assembly and a method for constructing the formwork assembly
    AT10642U3 (en) * 2008-06-18 2010-01-15 Gabriele Witzani METHOD FOR THE PRODUCTION OF HOLLOW WALL AND CEILING SYSTEMS IN A LIGHTWEIGHT DESIGN
    FR2935721A1 (en) * 2008-09-08 2010-03-12 Sebastien Barriere Heat insulation block for concrete load-bearing wall of dwelling, has molded plate with spreader bars and precuts for pre-assembling quoins of walls, where spreader bars are separated from integrated recesses and glued to insulating plate
    ITRM20110238A1 (en) * 2011-05-13 2012-11-14 Giovanni Cenci METHOD FOR CONSTRUCTION OF INSULATED FORMWORKS FOR CONTAINMENT OF CONCRETE THROUGHOUT IN ORDER TO CREATE WALLS IN REINFORCED CONCRETE, AND MEANS FOR ITS IMPLEMENTATION
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    US11155995B2 (en) * 2018-11-19 2021-10-26 Airlite Plastics Co. Concrete form with removable sidewall

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