EP3739141A1 - Insulated wall element - Google Patents

Insulated wall element Download PDF

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Publication number
EP3739141A1
EP3739141A1 EP20173709.5A EP20173709A EP3739141A1 EP 3739141 A1 EP3739141 A1 EP 3739141A1 EP 20173709 A EP20173709 A EP 20173709A EP 3739141 A1 EP3739141 A1 EP 3739141A1
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EP
European Patent Office
Prior art keywords
insulating layer
element according
shell
wall element
concrete
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Granted
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EP20173709.5A
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German (de)
French (fr)
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EP3739141B1 (en
Inventor
Dr. Herbert Kahmer
Bernd Betz
Sascha Meiser
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
    • E04C1/41—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts composed of insulating material and load-bearing concrete, stone or stone-like material
    • 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
    • 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
    • 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
    • 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
    • E04B1/7608—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 comprising a prefabricated insulating layer, disposed between two other layers or panels
    • E04B1/7612—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 comprising a prefabricated insulating layer, disposed between two other layers or panels in combination with an air space
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E04C2002/045—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete with two parallel leaves connected by tie anchors
    • E04C2002/047—Pin or rod shaped anchors

Definitions

  • the invention relates to a wall construction element with a concrete inner shell, an insulating layer arranged at a distance from and parallel to the inner shell, and an outer shell lying against the insulating layer.
  • Insulated wall elements of this type are known from use.
  • the connection of the inner and outer shell of these known wall construction elements is used to connect lattice girders or bolts, in particular bolts made of glass fiber reinforced plastic, which are partially embedded in the shells and penetrate the insulating layer.
  • the present invention creates a new wall element of the type mentioned at the outset, which is characterized in that the outer shell is connected to the insulation layer as a facing shell via pieces of tissue or film partially embedded in the facing shell.
  • the insulating layer has a supporting function in this wall element.
  • the outer shell which is designed as a facing shell and connected to the insulating layer via flexible pieces of material, does not itself take on any or only low loads.
  • the facing shell is preferably a cast concrete shell or a layer of plaster, possibly 10 cm thick, applied to the insulation layer.
  • a fabric layer parallel to the wall plane, in particular a textile fabric layer, is preferably embedded in the facing shell as reinforcement.
  • mineral foam for example, can also be used as material for the facing.
  • a reinforcement layer preferably in the form of a fabric layer, can also be incorporated into the insulation layer, preferably as a plaster layer when producing the facing layer.
  • At least two pieces of fabric or film are preferably provided at least in an upper region of the facing shell.
  • the pieces of fabric or film preferably protrude into slots in the insulation layer at an incline to the wall plane.
  • the inclination generates both vertical and horizontal holding forces, which press the facing layer against the insulation layer.
  • the fabric or film pieces can each be clamped in the insulating layer by means of a wedge-shaped insert which forms a component of the insulating layer.
  • projections protruding from the insulating layer also engage in the facing, with which the facing can also be connected.
  • projections can be formed by elements connecting the concrete inner shell to the insulating layer, in particular extensions of connecting bolts.
  • the connecting elements have a widening that engages behind the insulation layer for transferring the pressure from in-situ concrete that can be filled between the inner shell and the insulation layer.
  • the widenings of these connecting elements preferably connecting bolts, preferably made of fiberglass-reinforced plastic, are expediently designed in the form of plates.
  • a prefabricated, preferably storey-high wall element 15 with a horizontal length of e.g. 4 m has a concrete inner shell 1, an insulating layer 2 arranged at a distance from the plate-shaped concrete inner shell, and an outer shell 3 as a facing layer resting against the insulating layer.
  • the thickness of the inner shell 1 is 4.5 cm
  • the insulation layer 2 is 10 cm
  • the thickness of the outer shell 3 is 2 cm.
  • the distance between the concrete inner shell 1 and the insulation layer 2 is 7 cm. Core concrete can be poured into the space 4 formed on site.
  • connection between the plate parts 1 to 3 of the component are used in a grid arranged bolts, of which in the partial illustration of Fig. 1 a bolt 5 is visible.
  • the bolts 5 consist of a glass fiber reinforced plastic, in particular glass fiber reinforced polyamide.
  • one end at 6 of the bolts 5 is embedded in the concrete of the inner shell 1 and engages behind the insulation layer 2 with a plate-shaped expansion 7.
  • An end section 8 of the bolts 5 protruding beyond the plate-shaped expansion 7 protrudes into the outer shell 3 inside.
  • such bolts 5 are provided per square meter.
  • a fabric layer 9 parallel to the plane of the plate is embedded as reinforcement, which in the example shown is formed by textile fabric.
  • the fabric layer 9 could e.g. also a plaster base or screed mat made of stainless steel.
  • Fig. 2 pieces of tissue 10 with an end section are embedded in the outer shell 3, the pieces of tissue forming a connecting strap for connecting the outer shell 3 to the insulation 2.
  • tissue pieces 10 each protrude according to Fig. 1 into a slot 11 traversing the insulation layer 2 and preferably with an end section 12 beyond the slot 11 into the gap 4 that can be filled with core concrete can be pushed into the insulating layer 2 in the direction of an arrow 14 with the tissue piece 10 jammed with the insulating layer 2. It goes without saying that the compressive strength of the insert 13 can differ from the compressive strength of the rest of the insulation layer 2.
  • the insulation layer 2 is a load-bearing insulation layer which gives the component at least sufficient strength for transport to the construction site and is also able to hold the facing shell 3 together with the bolts 5.
  • the facing shell 3 is connected on the one hand to the end sections 8 of the bolts 5 embedded therein, while on the other hand both a vertical load is absorbed via the fabric pieces 10 and a compressive force that pulls the facing layer 3 onto the insulation layer 2 is generated perpendicular to the plane of the panel becomes.
  • the end section 8 can advantageously absorb wind suction forces and prevent the facing shell from breaking open in the event of greater temperature gradients. It expediently has a profile. Furthermore, the end section 8 can absorb adhesive forces that occur when the hardened facing concrete is lifted from a form of form. Furthermore, the end section 8 can absorb adhesive forces that occur when the facing shell is lifted off the shell mold.
  • the clamped tissue pieces 10 are also fixed by the embedded end section 12 in the solidified core concrete.
  • the plate-shaped widenings 7 engaging behind the insulation layer 2 advantageously counteract the concrete pressure of the core concrete.
  • the insulating layer 2 is first prefabricated with the bolts 5 inserted in the passages in the insulating layer and, in a next production step, placed on the still liquid concrete of the poured facing shell 3 after the fabric layer 9 and partially the fabric pieces 10 in the Concrete of the facing shell 3 have been embedded. In a further step, the fabric pieces 10 are then clamped in the insulating layer 2 by insert pieces 13.
  • the insulation layer and facing shell are inserted with the ends of the bolts 5 first into the still liquid concrete of the poured inner shell 1.
  • the facing shell 3 can be profiled for better adhesion to the insulating layer 2. If the adhesion is good, end sections 8 of the bolts 5 protruding into the facing shell 3 can then be dispensed with.
  • the insert pieces 13 could be omitted and only slots 11 receiving the tissue pieces 10 could be formed in the insulating layer 2.
  • the fabric pieces 10 can consist of the same material as the fabric layer 9 forming a reinforcement or can be made of a material different therefrom. It goes without saying that pieces of tissue or film only mean pieces of material that are extensive in the form of tissue or film, for example textile-like reinforcement grids or angled, less flexible screed grids made of stainless steel rods.
  • the grid can also consist of two parallel and spaced apart individual bars, which are connected by short crossing cross bars to form a narrow grid.
  • the piece of fabric 10 could extend into the inner shell 1, in which case the insert 13 would also extend as far as the inner shell 1.
  • the wall element could be hung over such a piece of fabric, e.g. on a crane hook.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)

Abstract

Die Erfindung betrifft ein Wandbauelement, mit einer Betoninnenschale (1), einer im Abstand zu der Betoninnenschale (1) angeordneten Dämmlage (2) und einer gegen die Dämmlage (2) anliegenden Außenschale (3). Gemäß der Erfindung ist die Außenschale (3) als Vorsatzschale über in die Außenschale (3) teilweise eingebettete Gewebe- oder Folienstücke (10) mit der Dämmlage (2) verbunden. Insbesondere ist die Außenschale (3) an der Dämmlage (2) über von der Außenschale (3) in einen Schlitz (11) in der Dämmlage (2) hinein vorstehende Gewebe- oder Folienstücke (10) an der Dämmlage (2) befestigt.The invention relates to a wall element with a concrete inner shell (1), an insulating layer (2) spaced from the concrete inner shell (1) and an outer shell (3) resting against the insulating layer (2). According to the invention, the outer shell (3) as a facing shell is connected to the insulating layer (2) via pieces of tissue or film (10) partially embedded in the outer shell (3). In particular, the outer shell (3) is attached to the insulating layer (2) via pieces of tissue or film (10) protruding from the outer shell (3) into a slot (11) in the insulating layer (2) on the insulating layer (2).

Description

Die Erfindung betrifft ein Wandbauelement, mit einer Betoninnenschale, einer im Abstand und parallel zu der Innenschalle angeordneten Dämmlage und einer gegen die Dämmlage anliegenden Außenschale.The invention relates to a wall construction element with a concrete inner shell, an insulating layer arranged at a distance from and parallel to the inner shell, and an outer shell lying against the insulating layer.

Gedämmte Wandbauelemente solcher Art sind durch Benutzung bekannt. Der Verbindung von Innen- und Außenschale dieser bekannten Wandbauelemente dienen in die Schalen teilweise eingebettete, die Dämmlage durchsetzende Gitterträger oder Bolzen, insbesondere Bolzen aus glasfaserverstärktem Kunststoff.Insulated wall elements of this type are known from use. The connection of the inner and outer shell of these known wall construction elements is used to connect lattice girders or bolts, in particular bolts made of glass fiber reinforced plastic, which are partially embedded in the shells and penetrate the insulating layer.

Durch die vorliegende Erfindung wird ein neues Wandbauelement der eingangs erwähnten Art geschaffen, das dadurch gekennzeichnet ist, dass die Außenschale als Vorsatzschale über in die Vorsatzschale teilweise eingebettete Gewebe- oder Folienstücke mit der Dämmlage verbunden ist.The present invention creates a new wall element of the type mentioned at the outset, which is characterized in that the outer shell is connected to the insulation layer as a facing shell via pieces of tissue or film partially embedded in the facing shell.

Erfindungsgemäß kommt in diesem Wandbauelement der Dämmlage eine Tragfunktion zu. Im Unterschied zum Stand der Technik übernimmt die als Vorsatzschale ausgebildete, mit der Dämmlage über ggf. flexible Materialstücke verbundene Außenschale selbst keine oder nur geringe Traglasten.According to the invention, the insulating layer has a supporting function in this wall element. In contrast to the prior art, the outer shell, which is designed as a facing shell and connected to the insulating layer via flexible pieces of material, does not itself take on any or only low loads.

Bei der Vorsatzschale handelt es sich vorzugsweise um eine gegossene Betonschale oder eine auf die Dämmlage aufgebrachte, ggf.10 cm dicke Putzschicht. Vorzugsweise ist in die Vorsatzschale als Bewehrung eine zur Wandebene parallele Gewebelage, insbesondere Textilgewebelage, eingebettet. Neben Beton und Putz kommt für die Vorsatzschale als Material z.B. auch mineralischer Schaum in Betracht. Bei der Herstellung der Dämmlage aus Schaumbeton oder Mineralschaum kann eine Bewehrungslage, vorzugsweise in Form einer Gewebelage, auch in die Dämmlage eingebracht sein, vorzugsweise bei Herstellung der Vorsatzschale als Putzschicht.The facing shell is preferably a cast concrete shell or a layer of plaster, possibly 10 cm thick, applied to the insulation layer. A fabric layer parallel to the wall plane, in particular a textile fabric layer, is preferably embedded in the facing shell as reinforcement. In addition to concrete and plaster, mineral foam, for example, can also be used as material for the facing. When producing the insulation layer from foam concrete or mineral foam, a reinforcement layer, preferably in the form of a fabric layer, can also be incorporated into the insulation layer, preferably as a plaster layer when producing the facing layer.

Zumindest in einem oberen Bereich der Vorsatzschale sind vorzugsweise wenigstens zwei Gewebe- oder Folienstücke vorgesehen.At least two pieces of fabric or film are preferably provided at least in an upper region of the facing shell.

Vorzugsweise ragen die Gewebe- oder Folienstücke geneigt zur Wandebene in Schlitze in der Dämmlage hinein. Durch die Neigung werden sowohl vertikale als auch horizontale Haltekräfte, durch welche die Vorsatzschale gegen die Dämmlage gedrückt wird, erzeugt.The pieces of fabric or film preferably protrude into slots in the insulation layer at an incline to the wall plane. The inclination generates both vertical and horizontal holding forces, which press the facing layer against the insulation layer.

Vorzugsweise sind die Gewebe- oder Folienstücke in der Dämmlage jeweils durch ein keilförmiges, einen Bestandteil der Dämmlage bildendes Einsatzstück verklemmbar.The fabric or film pieces can each be clamped in the insulating layer by means of a wedge-shaped insert which forms a component of the insulating layer.

Vorzugsweise greifen in die Vorsatzschale ferner von der Dämmlage abragende Vorsprünge ein, mit denen die Vorsatzschale zusätzlich verbindbar ist.Preferably, projections protruding from the insulating layer also engage in the facing, with which the facing can also be connected.

Diese Vorsprünge können durch die Betoninnenschale mit der Dämmlage verbindende Elemente, insbesondere Verlängerungen von Verbindungsbolzen, gebildet sein.These projections can be formed by elements connecting the concrete inner shell to the insulating layer, in particular extensions of connecting bolts.

In weiterer Ausgestaltung der Erfindung weisen die Verbindungselemente eine die Dämmlage hintergreifende Aufweitung zur Abtragung des Drucks von zwischen der Innenschale und der Dämmlage einfüllbarem Ortbeton auf. Die Aufweitungen dieser vorzugsweise aus glasfaserverstärktem Kunststoff hergestellten Verbindungselemente, vorzugsweise Verbindungsbolzen, sind zweckmäßig tellerartig ausgebildet. Die Dämmlage ist nach Enthärten des Ortbetons durch die Verbindungselemente gegen den Ortbeton vorgespannt, da die Zugspannung der Verbindungselemente nach Erhärten des Ortbetons teilweise erhalten bleibt. Dadurch ist die Haftreibung der Dämmlage am Ortbeton erhöht und die Tragfähigkeit der Dämmlage für die Vorsatzschale entsprechend vergrößert.In a further embodiment of the invention, the connecting elements have a widening that engages behind the insulation layer for transferring the pressure from in-situ concrete that can be filled between the inner shell and the insulation layer. The widenings of these connecting elements, preferably connecting bolts, preferably made of fiberglass-reinforced plastic, are expediently designed in the form of plates. After the in-situ concrete has softened, the insulation layer is pretensioned against the in-situ concrete by the connecting elements, since the tensile stress of the connecting elements is partially retained after the in-situ concrete has hardened. This increases the static friction of the insulation layer on the in-situ concrete and increases the load-bearing capacity of the insulation layer for the facing layer accordingly.

Die Erfindung ist nachfolgend anhand eines Ausführungsbeispiels und der beiliegenden, sich auf dieses Ausführungsbeispiel beziehenden Zeichnungen näher erläutert. Es zeigen:

  • Fig. 1 einen Teil eines Wandbauelements nach der Erfindung in einem vertikalen Schnitt, und
  • Fig. 2 einen Teil des Wandbauelements von Fig. 1 in einer Seitenansicht.
The invention is explained in more detail below using an exemplary embodiment and the accompanying drawings relating to this exemplary embodiment. Show it:
  • Fig. 1 a part of a wall element according to the invention in a vertical section, and
  • Fig. 2 part of the wall element of Fig. 1 in a side view.

Ein vorgefertigtes, vorzugsweise geschosshohes Wandbauelement 15 mit einer horizontalen Länge von z.B. 4 m weist eine Betoninnenschale 1, eine im Abstand zu der plattenförmigen Betoninnenschale angeordnete Dämmlage 2 und eine Außenschale 3 als gegen die Dämmlage anliegende Vorsatzschale auf. In dem gezeigten Beispiel liegt die Dicke der Innenschale 1 bei 4,5 cm, der Dämmlage 2 bei 10 cm und die Dicke der Außenschale 3 bei 2 cm. Der Abstand zwischen der Betoninnenschale 1 und der Dämmlage 2 beträgt 7 cm. In den gebildeten Zwischenraum 4 lässt sich vor Ort Kernbeton einfüllen.A prefabricated, preferably storey-high wall element 15 with a horizontal length of e.g. 4 m has a concrete inner shell 1, an insulating layer 2 arranged at a distance from the plate-shaped concrete inner shell, and an outer shell 3 as a facing layer resting against the insulating layer. In the example shown, the thickness of the inner shell 1 is 4.5 cm, the insulation layer 2 is 10 cm and the thickness of the outer shell 3 is 2 cm. The distance between the concrete inner shell 1 and the insulation layer 2 is 7 cm. Core concrete can be poured into the space 4 formed on site.

Der Verbindung zwischen den Plattenteilen 1 bis 3 des Bauelements dienen in einem Raster angeordnete Bolzen, von denen in der Teildarstellung von Fig. 1 ein Bolzen 5 sichtbar ist. Die Bolzen 5 bestehen in dem gezeigten Beispiel aus einem glasfaserverstärktem Kunststoff, insbesondere glasfaserverstärktem Polyamid. Wie Fig. 1 ferner erkennen lässt, sind die Bolzen 5 mit einem Ende bei 6 in den Beton der Innenschale 1 eingebettet und hintergreifen mit einer tellerförmigen Aufweitung 7 die Dämmlage 2. Ein über die tellerförmige Aufweitung 7 hinaus vorstehender Endabschnitt 8 der Bolzen 5 ragt jeweils in die Außenschale 3 hinein. Pro Quadratmeter sind in dem Beispiel 4 bis 6 solche Bolzen 5 vorgesehen.The connection between the plate parts 1 to 3 of the component are used in a grid arranged bolts, of which in the partial illustration of Fig. 1 a bolt 5 is visible. In the example shown, the bolts 5 consist of a glass fiber reinforced plastic, in particular glass fiber reinforced polyamide. As Fig. 1 Furthermore, one end at 6 of the bolts 5 is embedded in the concrete of the inner shell 1 and engages behind the insulation layer 2 with a plate-shaped expansion 7. An end section 8 of the bolts 5 protruding beyond the plate-shaped expansion 7 protrudes into the outer shell 3 inside. In the example 4 to 6 such bolts 5 are provided per square meter.

In den Beton oder Putz der Außenschale bzw. Vorsatzschale 3 ist als Bewehrung eine zur Plattenebene parallele Gewebelage 9 eingebettet, die in dem gezeigten Beispiel durch Textilgewebe gebildet ist. Es könnte sich bei der Gewebelage 9 z.B. auch um eine Putzträger- oder Estrichmatte aus Edelstahl handeln.In the concrete or plaster of the outer shell or facing shell 3, a fabric layer 9 parallel to the plane of the plate is embedded as reinforcement, which in the example shown is formed by textile fabric. The fabric layer 9 could e.g. also a plaster base or screed mat made of stainless steel.

Gemäß Fig. 2 sind in die Außenschale 3 ferner Gewebestücke 10 mit einem Endabschnitt eingebettet, wobei die Gewebestücke eine Verbindungslasche zur Verbindung der Außenschale 3 mit der Dämmung 2 bilden.According to Fig. 2 In addition, pieces of tissue 10 with an end section are embedded in the outer shell 3, the pieces of tissue forming a connecting strap for connecting the outer shell 3 to the insulation 2.

Die Gewebestücke 10 ragen jeweils gemäß Fig. 1 in einen die Dämmlage 2 durchquerenden Schlitz 11 hinein und vorzugsweise mit einem Endabschnitt 12 über den Schlitz 11 hinaus bis in den mit Kernbeton auffüllbaren Zwischenraum 4. In dem gezeigten Beispiel begrenzt den Schlitz 11 ein keilförmiges Einsatzstück 13, das einen Teil der Dämmlage 2 bildet und unter Verklemmung des Gewebestücks 10 mit der Dämmlage 2 in Richtung eines Pfeils 14 in die Dämmlage 2 einschiebbar ist. Es versteht sich, dass sich die Druckbelastbarkeit des Einsatzstücks 13 von der Druckbelastbarkeit der übrigen Dämmlage 2 unterscheiden kann.The tissue pieces 10 each protrude according to Fig. 1 into a slot 11 traversing the insulation layer 2 and preferably with an end section 12 beyond the slot 11 into the gap 4 that can be filled with core concrete can be pushed into the insulating layer 2 in the direction of an arrow 14 with the tissue piece 10 jammed with the insulating layer 2. It goes without saying that the compressive strength of the insert 13 can differ from the compressive strength of the rest of the insulation layer 2.

Bei der Dämmlage 2 handelt es sich um eine tragende Dämmlage, die dem Bauelement zumindest eine für den Transport zur Baustelle ausreichende Festigkeit verleiht und darüber hinaus zur Halterung der Vorsatzschale 3 gemeinsam mit den Bolzen 5 in der Lage ist. In vertikaler Ausrichtung des Bauelements gemäß Einbaulage ist die Vorsatzschale 3 einerseits mit den darin eingebetteten Endabschnitten 8 der Bolzen 5 verbunden, während andererseits über die Gewebestücke 10 sowohl eine vertikale Last aufgenommen als auch eine die Vorsatzschale 3 an die Dämmlage 2 heranziehende Druckkraft senkrecht zur Plattenebene erzeugt wird.The insulation layer 2 is a load-bearing insulation layer which gives the component at least sufficient strength for transport to the construction site and is also able to hold the facing shell 3 together with the bolts 5. In the vertical alignment of the component according to the installation position, the facing shell 3 is connected on the one hand to the end sections 8 of the bolts 5 embedded therein, while on the other hand both a vertical load is absorbed via the fabric pieces 10 and a compressive force that pulls the facing layer 3 onto the insulation layer 2 is generated perpendicular to the plane of the panel becomes.

Der Endabschnitt 8 kann vorteilhaft Windsogkräfte aufnehmen und das Aufschüsseln der Vorsatzschale bei größeren Temperaturgradienten verhindern. Zweckmäßig weist er eine Profilierung auf. Ferner kann der Endabschnitt 8 Haftkräfte aufnehmen, die beim Abheben des erhärteten Vorsatzschalenbetons aus einer Schalform auftreten. Ferner kann der Endabschnitt 8 beim Abheben der Vorsatzschale aus der Schalform auftretende Haftkräfte aufnehmen.The end section 8 can advantageously absorb wind suction forces and prevent the facing shell from breaking open in the event of greater temperature gradients. It expediently has a profile. Furthermore, the end section 8 can absorb adhesive forces that occur when the hardened facing concrete is lifted from a form of form. Furthermore, the end section 8 can absorb adhesive forces that occur when the facing shell is lifted off the shell mold.

Im verbauten Zustand des Wandbauelements 15 sind die eingeklemmten Gewebestücke 10 ferner durch den eingebetteten Endabschnitt 12 in den verfestigten Kernbeton fixiert. Die die Dämmlage 2 hintergreifenden tellerförmigen Aufweitungen 7 wirken vorteilhaft dem Betondruck des Kernbetons entgegen.In the installed state of the wall component 15, the clamped tissue pieces 10 are also fixed by the embedded end section 12 in the solidified core concrete. The plate-shaped widenings 7 engaging behind the insulation layer 2 advantageously counteract the concrete pressure of the core concrete.

Zur Herstellung des vorangehend beschriebenen Wandbauelements 15 wird die Dämmlage 2 mit den in Durchgänge in der Dämmlage eingesetzten Bolzen 5 zunächst vorgefertigt und in einem nächsten Fertigungsschritt auf den noch flüssigen Beton der ausgegossenen Vorsatzschale 3 aufgelegt, nachdem die Gewebelage 9 und teilweise die Gewebestücke 10 in den Beton der Vorsatzschale 3 eingebettet worden sind. In einem weiteren Schritt werden die Gewebestücke 10 durch Einsatzstücke 13 dann in der Dämmlage 2 verklemmt.To produce the wall component 15 described above, the insulating layer 2 is first prefabricated with the bolts 5 inserted in the passages in the insulating layer and, in a next production step, placed on the still liquid concrete of the poured facing shell 3 after the fabric layer 9 and partially the fabric pieces 10 in the Concrete of the facing shell 3 have been embedded. In a further step, the fabric pieces 10 are then clamped in the insulating layer 2 by insert pieces 13.

Nach Aushärtung der Vorsatzschale 3 werden Dämmlage und Vorsatzschale mit den Enden der Bolzen 5 voran in den noch flüssigen Beton der ausgegossenen Innenschale 1 eingeführt.After the facing shell 3 has hardened, the insulation layer and facing shell are inserted with the ends of the bolts 5 first into the still liquid concrete of the poured inner shell 1.

Es versteht sich, dass die Vorsatzschale 3 zur besseren Haftung an der Dämmlage 2 profiliert sein kann. Bei guter Haftung kann auf in die Vorsatzschale 3 hinein vorstehende Endabschnitte 8 der Bolzen 5 dann ggf. verzichtet werden.It goes without saying that the facing shell 3 can be profiled for better adhesion to the insulating layer 2. If the adhesion is good, end sections 8 of the bolts 5 protruding into the facing shell 3 can then be dispensed with.

Abweichend von dem vorangehend beschriebenen Ausführungsbeispiel könnten die Einsatzstücke 13 entfallen und nur die Gewebestücke 10 aufnehmende Schlitze 11 in der Dämmlage 2 gebildet sein.
Die Gewebestücke 10 können aus dem gleichen Material wie die eine Bewehrung bildende Gewebelage 9 bestehen oder aus davon abweichendem Material hergestellt sein. Es versteht sich, dass mit Gewebe- oder Folienstücke lediglich in der Art von Gewebe oder Folie flächenhaft ausgedehnte Materialstücke gemeint sind, z.B. textilartige Bewehrungsgitter oder abgewinkelte weniger flexible Estrichgitter aus Edelstahlrundstäben. Das Gitter kann auch aus zwei parallelen und beabstandeten Einzelstäben bestehen, die durch kurze kreuzende Querstäbe zu einem schmalen Gitter verbunden sind.In a departure from the exemplary embodiment described above, the insert pieces 13 could be omitted and only slots 11 receiving the tissue pieces 10 could be formed in the insulating layer 2.
The fabric pieces 10 can consist of the same material as the fabric layer 9 forming a reinforcement or can be made of a material different therefrom. It goes without saying that pieces of tissue or film only mean pieces of material that are extensive in the form of tissue or film, for example textile-like reinforcement grids or angled, less flexible screed grids made of stainless steel rods. The grid can also consist of two parallel and spaced apart individual bars, which are connected by short crossing cross bars to form a narrow grid.

Das Gewebestück 10 könnte sich in einer Ausführungsform bis in die Innenschale 1 hinein erstrecken, wobei dann auch das Einsatzstück 13 bis an die Innenschale 1 heranreichen würde. Bei Transport und der Montage ließe sich das Wandbauelement über ein solches Gewebestück aufhängen, z.B. an einem Kranhaken.In one embodiment, the piece of fabric 10 could extend into the inner shell 1, in which case the insert 13 would also extend as far as the inner shell 1. During transport and assembly, the wall element could be hung over such a piece of fabric, e.g. on a crane hook.

Claims (13)

Wandbauelement, mit einer Betoninnenschale (1), einer im Abstand zu der Betoninnenschale (1) angeordneten Dämmlage (2) und einer gegen die Dämmlage (2) anliegenden Außenschale (3),
dadurch gekennzeichnet,
dass die Außenschale (3) als Vorsatzschale über in die Außenschale (3) teilweise eingebettete Gewebe- oder Folienstücke (10) mit der Dämmlage (2) verbunden ist.Wall construction element, with a concrete inner shell (1), an insulating layer (2) arranged at a distance from the concrete inner shell (1) and an outer shell (3) lying against the insulating layer (2),
characterized,
that the outer shell (3) as a facing shell is connected to the insulating layer (2) via pieces of tissue or film (10) partially embedded in the outer shell (3). Wandbauelement nach Anspruch 1,
dadurch gekennzeichnet,
dass in die Vorsatzschale (3) oder Dämmlage (2)als Bewehrung eine zur Wandebene parallele Gewebelage (9), insbesondere eine Textilgewebelage, Putzmatte oder Estrichmatte eingebettet ist.Wall element according to claim 1,
characterized,
that in the facing shell (3) or insulating layer (2) as reinforcement, a fabric layer (9) parallel to the wall plane, in particular a textile fabric layer, plaster mat or screed mat, is embedded. Wandbauelement nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass zumindest zwei Gewebe- oder Folienstücke (13) in wenigstens einem oberen Bereich des Wandbauelements (15) vorgesehen sind.Wall element according to claim 1 or 2,
characterized,
that at least two pieces of tissue or film (13) are provided in at least one upper region of the wall component (15). Wandbauelement nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
dass die Gewebe- oder Folienstücke (10) geneigt zur Wandebene in einen Schlitz (11) in der Dämmlage (2) hineinragen.Wall element according to one of Claims 1 to 3,
characterized,
that the tissue or film pieces (10) protrude inclined to the wall plane into a slot (11) in the insulation layer (2). Wandbauelement nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
dass die Gewebe- oder Folienstücke (10) in der Dämmlage (2) durch ein keilförmiges, einen Bestandteil der Dämmlage (2) bildendendes Einsatzstück (13) mit ggf. von der übrigen Dämmlage (2) abweichenden Eigenschaften hinsichtlich Druckbelastbarkeit verklemmt sind.Wall element according to one of Claims 1 to 4,
characterized,
that the fabric or film pieces (10) are clamped in the insulating layer (2) by a wedge-shaped insert (13) forming a component of the insulating layer (2) with possibly different properties in terms of compressive strength from the rest of the insulating layer (2). Wandbauelement nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
dass das Gewebestück (10) über die Dämmlage (2) hinaus in einen mit Kernbeton zu füllenden Zwischenraum (4) des Wandbauelements (15) vorsteht, ggf. unter teilweiser Einbettung in den Beton der Betoninnenschale (1) bis in die Betoninnenschale (1) hinein.Wall element according to one of Claims 1 to 5,
characterized,
that the piece of fabric (10) protrudes beyond the insulation layer (2) into an intermediate space (4) of the wall construction element (15) to be filled with core concrete, possibly with partial embedding in the concrete of the concrete inner shell (1) up to the concrete inner shell (1). Wandbauelement nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
dass in die Außenschale (3) ferner von der Dämmlage (2) abragende Vorsprünge (8) eingegossen sind.Wall element according to one of Claims 1 to 6,
characterized,
that projections (8) protruding from the insulating layer (2) are also cast into the outer shell (3). Wandbauelement nach Anspruch 7,
dadurch gekennzeichnet,
dass die Vorsprünge (8) durch die Betoninnenschale (1) mit der Dämmlage (2) verbindende Elemente, insbesondere durch Verlängerungen von Verbindungsbolzen (5), gebildet sind.Wall element according to claim 7,
characterized,
that the projections (8) are formed by elements connecting the concrete inner shell (1) to the insulating layer (2), in particular by extensions of connecting bolts (5). Wandbauelement nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
dass die Verbindungselemente (5) eine die Dämmlage (2) hintergreifende, insbesondere tellerartige, Aufweitung (7) zur Abtragung von Kernbetondruck aufweisen.Wall element according to one of Claims 1 to 8,
characterized,
that the connecting elements (5) have a, in particular plate-like, widening (7) engaging behind the insulating layer (2) for transferring core concrete pressure. Wandbauelement nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet,
dass die Verbindungselemente (5) aus glasfaserverstärktem Kunststoff bestehen.Wall element according to one of Claims 1 to 9,
characterized,
that the connecting elements (5) are made of glass fiber reinforced plastic. Wandbauelement nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet,
dass die Vorsprünge (8) in einen von der Außenschale (3) in die Dämmlage (2) hineinragenden Vorsprung der Außenschale (3) eingebettet sind.Wall element according to one of Claims 1 to 10,
characterized,
that the projections (8) are embedded in a projection of the outer shell (3) protruding from the outer shell (3) into the insulating layer (2). Wandbauelement nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet,
dass die Vorsatzschale (3) als Betonschale oder Putzschicht hergestellt ist.Wall element according to one of Claims 1 to 11,
characterized,
that the facing shell (3) is made as a concrete shell or plaster layer. Wandbauelement nach einem der Ansprüche 1 bis 12,
dadurch gekennzeichnet,
dass die Dämmlage (2) aus Mineralschaum besteht.Wall element according to one of Claims 1 to 12,
characterized,
that the insulation layer (2) consists of mineral foam.
EP20173709.5A 2019-05-13 2020-05-08 Insulated wall element Active EP3739141B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00625/19A CH716174A2 (en) 2019-05-13 2019-05-13 Insulated wall element.

Publications (2)

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EP3739141A1 true EP3739141A1 (en) 2020-11-18
EP3739141B1 EP3739141B1 (en) 2023-12-20

Family

ID=70680281

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Country Link
EP (1) EP3739141B1 (en)
CN (1) CN111926938A (en)
CH (1) CH716174A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1482101A1 (en) * 2003-05-26 2004-12-01 Construction Systems Marketing GmbH Wall element, method for the production of wall elements and connecting means for a wall element
GB2460720A (en) * 2008-06-12 2009-12-16 Victor Joseph Wigley A masonry wall with external insulation secured with mesh
DE102015110863A1 (en) * 2015-07-06 2017-01-12 Syspro-Gruppe Betonbauteile E.V. wall element

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4366381B2 (en) * 2006-07-27 2009-11-18 株式会社テスク Dry breathable retrofitted exterior insulation wall
CN102134878A (en) * 2011-03-02 2011-07-27 王建军 Compound sandwich layer assembled building
CN104695662B (en) * 2015-03-11 2017-10-31 中民筑友有限公司 Stone facing prefabricated outer wall panel and its production method and external wall system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1482101A1 (en) * 2003-05-26 2004-12-01 Construction Systems Marketing GmbH Wall element, method for the production of wall elements and connecting means for a wall element
GB2460720A (en) * 2008-06-12 2009-12-16 Victor Joseph Wigley A masonry wall with external insulation secured with mesh
DE102015110863A1 (en) * 2015-07-06 2017-01-12 Syspro-Gruppe Betonbauteile E.V. wall element

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EP3739141B1 (en) 2023-12-20
CH716174A2 (en) 2020-11-13

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