EP0837194A1 - Wall element - Google Patents

Wall element Download PDF

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Publication number
EP0837194A1
EP0837194A1 EP97117381A EP97117381A EP0837194A1 EP 0837194 A1 EP0837194 A1 EP 0837194A1 EP 97117381 A EP97117381 A EP 97117381A EP 97117381 A EP97117381 A EP 97117381A EP 0837194 A1 EP0837194 A1 EP 0837194A1
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EP
European Patent Office
Prior art keywords
concrete
thickness
wall component
concrete slab
component according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP97117381A
Other languages
German (de)
French (fr)
Inventor
Wilhelm Dipl.-Ing. Orth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Losch Betonwerke GmbH
Original Assignee
Losch Betonwerke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Losch Betonwerke GmbH filed Critical Losch Betonwerke GmbH
Publication of EP0837194A1 publication Critical patent/EP0837194A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E04B2/8611—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
    • E04B2/8617—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf with spacers being embedded in both form leaves

Definitions

  • the invention relates to a wall component, the two arranged at a distance from each other Has concrete slabs, which are cast together by lattice girders are connected.
  • Wall components of this type are known with a large space that is filled in place with in-situ concrete.
  • the concrete slabs about 5 cm thick, are provided with a reinforcement grid and, together with the grid support, go into the statics of the wall.
  • the wall building boards are manufactured in concrete plants, transported to the building and assembled there. They are coated on the outside with a thermally insulating plaster.
  • the invention has for its object to find an overall cheaper solution.
  • this purpose is achieved by a wall component at the beginning mentioned type, in which a concrete slab with a thickness of 6 to 12 cm and with the lattice girder as a static reinforcement as the sole load-bearing wall part is provided and the other, from a high-strength concrete mixture and / or with one Concrete slab made of steel fiber reinforcement with a thickness of less than 4 cm and tight cover for an insulation layer provided in the cavity is.
  • the thickness the former concrete slab is preferably less than 10 cm - approximately to that required space, at least not much more, will be freed up space for the layer of insulation that provides the required thermal insulation.
  • the insulation layer can be incorporated in the concrete plant, for example in the form of polyurethane foam or mineral fiber wool. It can be installed on site, what kind of fillings the more expedient is, for example, from expanded clay or cellulose snippets.
  • the wall component according to the invention proposed on-site foam concrete or plastic foam, the connects the wall components in the building.
  • the non-load-bearing, thin concrete slab will be the outer shell. It forms a mechanical protection and weather protection from the less firm and to Exposing the weather to an unsuitable insulation layer.
  • the thicker concrete slab will be provided with normal reinforcement and in Produce particularly high quality concrete, such as B 25, B 35 or more.
  • the drawing shows an embodiment of the invention.
  • Two concrete slabs 1 and 2 are connected to one another by lattice girders 3.
  • the concrete slab 1 has a thickness of about 7 cm and is with normal reinforcement Mistake. It consists e.g. from a concrete B 35.
  • the concrete slab 2 is only 3 cm thick and only provided with steel fiber reinforcement.
  • the concrete can then be the same as that of the concrete slab 1.
  • the concrete slab 2 consists of a high-strength concrete, possibly without Reinforcement.
  • the cavity 4 between the concrete slabs 1 and 2 is, for example, after assembly filled with foam concrete.

Abstract

The one concrete plate (1) with a thickness of 6 to 12 cm and with the grid support (3) as reinforcement against bending is statically provided as single supporting wall part. The second concrete plate (2) is made of a very strong concrete mixture and/or with a steel fibre reinforcement. It has a thickness of less than 4 cm and limits a hollow space with sealed covering for an insulating material layer provided in the hollow space (4). The second concrete plate is the outer shell and has a thickness of 2.5 to 3.5 cm. The first concrete plate has a thickness of less than 10 cm. As insulating layer, a foam concrete or plastic foam connecting the wall components is provided.

Description

Die Erfindung betrifft ein Wandbauelement, das zwei mit Abstand voneinander angeordnete Betonplatten aufweist, die durch in sie eingegossene Gitterträger miteinander verbunden sind.The invention relates to a wall component, the two arranged at a distance from each other Has concrete slabs, which are cast together by lattice girders are connected.

Solche Wandbauelemente sind bekannt mit einem hohen Zwischenraum, der am Bau mit Ortbeton ausgefüllt wird. Die, etwa 5 cm dicken, Betonplatten sind mit einem Bewehrungsgitter versehen und gehen zusammen mit dem Gitterträger in die Statik der Wand ein.
Die Wandbauplatten werden in Betonwerken hergestellt, an den Bau transportiert und dort montiert. An der Außenseite werden sie mit einem wärmedämmenden Putz beschichtet.Wall components of this type are known with a large space that is filled in place with in-situ concrete. The concrete slabs, about 5 cm thick, are provided with a reinforcement grid and, together with the grid support, go into the statics of the wall.
The wall building boards are manufactured in concrete plants, transported to the building and assembled there. They are coated on the outside with a thermally insulating plaster.

Diese Bauweise verlangt einen Kompromiß zwischen verschiedenen Belangen. Einerseits strebt man im Hinblick auf das Transportvolumen dünne Wandbauelemente und mit Rücksicht auf die Flächenausnutzung dünne Wände an und im übrigen, immer, möglichst wenig Arbeitsaufwand. Andererseits verlangen Schallschutz und Wärmedämmung eine gewisse Wanddicke einschließlich Aufbringen des erwähnten wärmedämmenden Putzes.This design requires a compromise between different concerns. On the one hand with regard to the transport volume, thin wall components and with regard to the use of space, thin walls on and otherwise, always, as little work as possible. On the other hand, noise protection and thermal insulation are required a certain wall thickness, including the application of the mentioned thermal insulation Plaster.

Der Erfindung liegt die Aufgabe zugrunde, eine insgesamt günstigere Lösung zu finden.The invention has for its object to find an overall cheaper solution.

Gemäß der Erfindung wird dieser Zweck durch ein Wandbauelement der eingangs genannten Art erfüllt, bei dem die eine Betonplatte mit einer Dicke von 6 bis 12 cm und mit dem Gitterträger als Knickversteifung statisch als alleiniger tragender Wandteil vorgesehen ist und die andere, aus einer hochfesten Betonmischung und/oder mit einer Stahlfaserbewehrung hergestellte Betonplatte mit einer Dicke von unter 4 cm Hohlraumbegrenzung und dichte Abdeckung für eine in dem Hohlraum vorgesehene Dämmstoffschicht ist.According to the invention, this purpose is achieved by a wall component at the beginning mentioned type, in which a concrete slab with a thickness of 6 to 12 cm and with the lattice girder as a static reinforcement as the sole load-bearing wall part is provided and the other, from a high-strength concrete mixture and / or with one Concrete slab made of steel fiber reinforcement with a thickness of less than 4 cm and tight cover for an insulation layer provided in the cavity is.

Mit der hier vorgenommenen Beschränkung der statischen Tragfähigkeit - die Dicke der ersteren Betonplatte beträgt vorzugsweise weniger als 10 cm - ungefähr auf das erforderliche Maß, jedenfalls nicht unnötigerweise viel mehr, wird Platz freigemacht für die Dämmstoffschicht, die die erforderliche Wärmedämmung bringt. Die, vorzugsweise auf 2,5 bis 3,5 cm verringerte, Dicke der genannten anderen Betonplatte, die mit der Materialauswahl hochfester Beton und/oder Stahlfaserbewehrung ermöglicht wird, vermindert die Wanddicke weiter. Schließlich kann aufgrund der mit der Dämmstoffschicht erzeugten hohen Wärmedämmung auf einen wärmedämmenden Putz verzichtet werden und dieser durch eine schon bei der Herstellung des Wandbauelements fertiggestellte Oberfläche ersetzt werden.With the limitation of the static load capacity made here - the thickness the former concrete slab is preferably less than 10 cm - approximately to that required space, at least not much more, will be freed up space for the layer of insulation that provides the required thermal insulation. The, preferably reduced to 2.5 to 3.5 cm, the thickness of the other concrete slab mentioned, which with the Material selection of high-strength concrete and / or steel fiber reinforcement is made possible, further reduces the wall thickness. Finally, due to the layer of insulation generated high thermal insulation without an insulating plaster and this is completed by one already during the manufacture of the wall component Surface to be replaced.

Damit wird in der Summe von Flächenverbrauch, Wärmeverlust und Arbeitsaufwand eine Ersparnis erzielt. Bei gleicher Wärmedämmung kann die Wand dünner sein, bei gleicher Dicke wärmedämmender, der Arbeitsaufwand des Verputzens kann gespart werden.This results in the sum of space consumption, heat loss and workload achieved a saving. With the same insulation, the wall can be thinner, at same thickness of thermal insulation, the labor of plastering can be saved will.

Die Fertigstellung der Oberfläche im Betonwerk ist zweckmäßigerweise mit der Betonherstellung an sich oder sonst eng mit ihr verbunden. Insbesondere in Betracht kommen in dieser Beziehung ein farbiger Beton und/oder eine von der Gießform erzeugte Reliefierung und/oder Sandstrahlen.The completion of the surface in the concrete plant is expedient with the concrete production in itself or otherwise closely connected to it. In particular, come into consideration in this respect a colored concrete and / or one produced by the casting mold Relief and / or sandblasting.

Als Dämmstoffschicht kommt vielerlei in Betracht. Die Dämmstoffschicht kann schon im Betonwerk eingearbeitet werden, beispielsweise in Form von Polyurethanschaum oder Mineralfaserwolle. Sie kann bauseitig eingebracht werden, was für Schüttungen das Zweckmäßigere ist, etwa aus Blähton oder Zelluloseschnipseln.There are many possible uses for the insulation layer. The insulation layer can be incorporated in the concrete plant, for example in the form of polyurethane foam or mineral fiber wool. It can be installed on site, what kind of fillings the more expedient is, for example, from expanded clay or cellulose snippets.

Als besonders zweckmäßig für das erfindungsgemäße Wandbauelement wird jedoch ein bauseitig eingebrachter Schaumbeton oder Kunststoffschaum vorgeschlagen, der die Wandbauelemente im Gebäude verbindet. However, is particularly useful for the wall component according to the invention proposed on-site foam concrete or plastic foam, the connects the wall components in the building.

In aller Regel wird die nicht tragende, dünne Betonplatte die Außenschale sein. Sie bildet einen mechanischen Schutz und Witterungsschutz vor der weniger festen und zum Aussetzen der Witterung nicht geeigneten Dämmstoffschicht.As a rule, the non-load-bearing, thin concrete slab will be the outer shell. It forms a mechanical protection and weather protection from the less firm and to Exposing the weather to an unsuitable insulation layer.

Außer der gegebenenfalls und bevorzugt vorhandenen Stahlfaserbewehrung soll die dünne Betonplatte keine stärkere Bewehrung erhalten, höchstens etwa ein Estrichgitter.In addition to the optionally and preferably existing steel fiber reinforcement thin concrete slab did not receive any stronger reinforcement, at most about a screed grid.

Die dickere Betonplatte wird man mit einer üblichen Bewehrung versehen und in besonders hoher Betonqualität herstellen, etwa B 25, B 35 oder noch mehr.The thicker concrete slab will be provided with normal reinforcement and in Produce particularly high quality concrete, such as B 25, B 35 or more.

Die Zeichnung gibt ein Ausführungsbeispiel der Erfindung wieder.The drawing shows an embodiment of the invention.

Zwei Betonplatten 1 und 2 sind durch Gitterträger 3 miteinander verbunden.Two concrete slabs 1 and 2 are connected to one another by lattice girders 3.

Die Betonplatte 1 hat eine Dicke von etwa 7 cm und ist mit einer normalen Bewehrung versehen. Sie besteht z.B. aus einem Beton B 35.The concrete slab 1 has a thickness of about 7 cm and is with normal reinforcement Mistake. It consists e.g. from a concrete B 35.

Die Betonplatte 2 ist nur 3 cm dick und nur mit einer Stahlfaserbewehrung versehen. Der Beton kann dann der gleiche sein wie derjenige der Betonplatte 1. In einer Alternative besteht die Betonplatte 2 aus einem hochfesten Beton, ggf. ohne Bewehrung.The concrete slab 2 is only 3 cm thick and only provided with steel fiber reinforcement. The concrete can then be the same as that of the concrete slab 1. In an alternative, the concrete slab 2 consists of a high-strength concrete, possibly without Reinforcement.

Die Herstellung hochfester Betonmischungen ist an sich bekannt. Insbesondere steht hier in Betracht, durch Zugabe von Silicastaub und Herabsetzen des Wasser/Zement-Faktors auf weniger als 0,4 die Porosität des Betons zu senken. Bevorzugt verwendet man einen bei der Ferrosiliziumherstellung aus der Dampfphase kondensierten Silicastaub.The production of high-strength concrete mixes is known per se. In particular it says here, by adding silica fume and reducing the water / cement factor to reduce the porosity of the concrete to less than 0.4. Preferably used a silica fume condensed from the vapor phase in the production of ferrosilicon.

Der Hohlraum 4 zwischen den Betonplatten 1 und 2 wird beispielsweise nach der Montage mit Schaumbeton gefüllt.The cavity 4 between the concrete slabs 1 and 2 is, for example, after assembly filled with foam concrete.

Claims (7)

Wandbauelement, das zwei mit Abstand voneinander angeordnete Betonplatten (1,2) aufweist, die durch in sie eingegossene Gitterträger (3) miteinander verbunden sind,
dadurch gekennzeichnet,
daß die eine Betonplatte (1) mit einer Dicke von 6 bis 12 cm und mit dem Gitterträger (3) als Knickversteifung statisch als alleiniger tragender Wandteil vorgesehen ist und die andere, aus einer hochfesten Betonmischung und/oder mit einer Stahlfaserbewehrung hergestellte Betonplatte (2) mit einer Dicke von unter 4 cm Hohlraumbegrenzung und dichte Abdeckung für eine in dem Hohlraum (4) vorgesehene Dämmstoffschicht ist.Wall component which has two concrete slabs (1, 2) which are arranged at a distance from one another and are connected to one another by lattice girders (3) cast into them,
characterized,
that one concrete slab (1) with a thickness of 6 to 12 cm and with the lattice girder (3) as buckling reinforcement is provided statically as the sole load-bearing wall part and the other concrete slab (2) made from a high-strength concrete mix and / or with a steel fiber reinforcement with a thickness of less than 4 cm cavity limitation and tight cover for an insulation layer provided in the cavity (4). Wandbauelement,
dadurch gekennzeichnet,
daß die letztere Betonplatte (2) die Außenschale ist.Wall component,
characterized,
that the latter concrete slab (2) is the outer shell. Wandbauelement nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die letztere Betonplatte (2) eine Dicke von 2,5 bis 3,5 cm hat.Wall component according to claim 1 or 2,
characterized,
that the latter concrete slab (2) has a thickness of 2.5 to 3.5 cm. Wandbauelement nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die erstere Betonplatte eine Dicke von unter 10 cm hat.Wall component according to one of claims 1 to 3,
characterized,
that the former concrete slab has a thickness of less than 10 cm. Wandbauelement nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die erstere (1) und/oder die letztere (2) Betonplatte eine fertige Oberfläche hat bzw. haben.Wall component according to one of claims 1 to 4,
characterized,
that the former (1) and / or the latter (2) concrete slab has a finished surface. Wandbauelement nach Anspruch 5,
dadurch gekennzeichnet,
daß die Oberfläche durch einen farbigen Beton und/oder eine von der Gießform erzeugte Reliefierung und/oder Sandstrahlen fertiggestellt ist. Wall component according to claim 5,
characterized,
that the surface is finished by a colored concrete and / or a relief and / or sandblasting produced by the casting mold. Wandbauelement nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
daß als Dämmstoffschicht ein bauseitig eingebrachter, die Wandbauelemente verbindender Schaumbeton oder Kunststoffschaum vorgesehen ist.Wall component according to one of claims 1 to 6,
characterized,
that an on-site foam concrete or plastic foam connecting the wall components is provided as the insulation layer.
EP97117381A 1996-10-17 1997-10-08 Wall element Withdrawn EP0837194A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19642780 1996-10-17
DE1996142780 DE19642780A1 (en) 1996-10-17 1996-10-17 Wall component

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EP0837194A1 true EP0837194A1 (en) 1998-04-22

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DE (1) DE19642780A1 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1010828A3 (en) * 1998-12-17 2001-08-29 Glatthaar-Fertigkellerbau GmbH Production process of a prefabricated wall element for the construction of building walls
EP1734197A1 (en) * 2005-06-16 2006-12-20 Variotec Sandwichelemente GmbH & Co. KG Wall element comprising vacuum insulation panel arranged between two prefabricated concrete parts
CN100432345C (en) * 2005-09-09 2008-11-12 北京工业大学 Method for making built-in eccentric supporting steel truss concrete combined barrel and the barrel
FR2936262A1 (en) * 2008-09-23 2010-03-26 Rector Lesage Building i.e. single-family dwelling-house, construction method, involves establishing bearing walls using elements i.e. pre-walls, before forming bottom floor of building, where pre-walls cover single holder for maintaining building height
EP2199483A2 (en) * 2008-12-16 2010-06-23 TBG Transportbeton GmbH & Co.KG Thermally insulated double wall and method for producing same
CN102359200A (en) * 2011-08-23 2012-02-22 东南大学 Inorganic heat-insulating wall body and construction method thereof
EP2444560A3 (en) * 2010-10-20 2014-10-01 Technologiezentrum Ski- und Alpinsport GmbH Structure with at least one bent construction element made from concrete and method for producing such a structure
AT516242A1 (en) * 2014-09-08 2016-03-15 Tech Universität Wien Double wall made of high-strength or ultra high-strength reinforced concrete
EP3318688A1 (en) * 2016-11-04 2018-05-09 Jade Holding B.V. Prefab building element and method for manufacturing such prefab building element
EP3739137A1 (en) * 2019-05-16 2020-11-18 Weko Consulting and Engineering Ltd. Building wall
CN111974999A (en) * 2020-08-13 2020-11-24 飞而康快速制造科技有限责任公司 Shape control method for 3D printing of thin-wall pipeline part

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10120368B4 (en) * 2001-04-25 2010-05-27 Jan Forster Building or building part as well as methods for its production and dismantling

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2064777A1 (en) * 1970-12-31 1972-08-31 Hubmann, Georg, 8000 München Structural member made of reinforced concrete, in particular the outer wall or outer wall panel of a building
DE2134533A1 (en) * 1971-07-10 1973-02-08 Clemens Eggersmann EXTERIOR WALL TYPES
DE2164060A1 (en) * 1971-12-23 1973-07-05 Blum Bau Kg Wall facing panels - of composite material with quick fixing devices
DE2644738A1 (en) * 1975-10-03 1977-04-14 Heinrich Bernhard Unger PREFABRICATED LOST WALL SHAPE AND METHOD OF MAKING IT
DE3003162A1 (en) * 1980-01-30 1981-08-06 Dieter Ing.(Grad.) 6753 Enkenbach-Alsenborn Neu Prefabricated wall element with filling between two panels - has bars connecting two constantly spaced posts in ladder shaped spacers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2064777A1 (en) * 1970-12-31 1972-08-31 Hubmann, Georg, 8000 München Structural member made of reinforced concrete, in particular the outer wall or outer wall panel of a building
DE2134533A1 (en) * 1971-07-10 1973-02-08 Clemens Eggersmann EXTERIOR WALL TYPES
DE2164060A1 (en) * 1971-12-23 1973-07-05 Blum Bau Kg Wall facing panels - of composite material with quick fixing devices
DE2644738A1 (en) * 1975-10-03 1977-04-14 Heinrich Bernhard Unger PREFABRICATED LOST WALL SHAPE AND METHOD OF MAKING IT
DE3003162A1 (en) * 1980-01-30 1981-08-06 Dieter Ing.(Grad.) 6753 Enkenbach-Alsenborn Neu Prefabricated wall element with filling between two panels - has bars connecting two constantly spaced posts in ladder shaped spacers

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1010828A3 (en) * 1998-12-17 2001-08-29 Glatthaar-Fertigkellerbau GmbH Production process of a prefabricated wall element for the construction of building walls
EP1734197A1 (en) * 2005-06-16 2006-12-20 Variotec Sandwichelemente GmbH & Co. KG Wall element comprising vacuum insulation panel arranged between two prefabricated concrete parts
CN100432345C (en) * 2005-09-09 2008-11-12 北京工业大学 Method for making built-in eccentric supporting steel truss concrete combined barrel and the barrel
FR2936262A1 (en) * 2008-09-23 2010-03-26 Rector Lesage Building i.e. single-family dwelling-house, construction method, involves establishing bearing walls using elements i.e. pre-walls, before forming bottom floor of building, where pre-walls cover single holder for maintaining building height
EP2199483A2 (en) * 2008-12-16 2010-06-23 TBG Transportbeton GmbH & Co.KG Thermally insulated double wall and method for producing same
EP2444560A3 (en) * 2010-10-20 2014-10-01 Technologiezentrum Ski- und Alpinsport GmbH Structure with at least one bent construction element made from concrete and method for producing such a structure
CN102359200B (en) * 2011-08-23 2013-09-18 东南大学 Construction method of inorganic heat-insulating wall body
CN102359200A (en) * 2011-08-23 2012-02-22 东南大学 Inorganic heat-insulating wall body and construction method thereof
AT516242A1 (en) * 2014-09-08 2016-03-15 Tech Universität Wien Double wall made of high-strength or ultra high-strength reinforced concrete
EP3318688A1 (en) * 2016-11-04 2018-05-09 Jade Holding B.V. Prefab building element and method for manufacturing such prefab building element
NL2017719B1 (en) * 2016-11-04 2018-05-23 Jade Holding B V Prefab building element and method for manufacturing such prefab building element
EP3739137A1 (en) * 2019-05-16 2020-11-18 Weko Consulting and Engineering Ltd. Building wall
CN111974999A (en) * 2020-08-13 2020-11-24 飞而康快速制造科技有限责任公司 Shape control method for 3D printing of thin-wall pipeline part

Also Published As

Publication number Publication date
DE19642780A1 (en) 1998-04-23

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