DE20318424U1 - Spacer for concrete cavity wall has steel rod with ribbed pointed ends injection moulded onto it - Google Patents

Spacer for concrete cavity wall has steel rod with ribbed pointed ends injection moulded onto it Download PDF

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Publication number
DE20318424U1
DE20318424U1 DE20318424U DE20318424U DE20318424U1 DE 20318424 U1 DE20318424 U1 DE 20318424U1 DE 20318424 U DE20318424 U DE 20318424U DE 20318424 U DE20318424 U DE 20318424U DE 20318424 U1 DE20318424 U1 DE 20318424U1
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Germany
Prior art keywords
spacer
concrete
foot
head
steel rod
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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.)
Expired - Lifetime
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DE20318424U
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German (de)
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SPRITZ PLAST GmbH
SPRITZ-PLAST GmbH
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SPRITZ PLAST GmbH
SPRITZ-PLAST GmbH
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Application filed by SPRITZ PLAST GmbH, SPRITZ-PLAST GmbH filed Critical SPRITZ PLAST GmbH
Priority to DE20318424U priority Critical patent/DE20318424U1/en
Publication of DE20318424U1 publication Critical patent/DE20318424U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • E04C2/2885—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
    • 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
    • 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
    • E04C2/049—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 completely or partially of insulating material, e.g. cellular concrete or foamed plaster
    • 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
    • E04C2/06—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 reinforced
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/18—Spacers of metal or substantially of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • 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

Abstract

The spacer for the production of spaced concrete cavity walls with steel reinforcement (14) has a steel shaft (11) with a foot (12) having a tip (17). The tip and foot are made of plastic and the foot is cylindrical and has ribs (13) for anchoring in cement. The head (15) is cylindrical and can also have ribs for anchoring in cement. The foot and head can be injection moulded onto the shaft.

Description

Die Erfindung betrifft Abstandshalter zur Verwendung bei der Herstellung von zweischaligen, teilvorgefertigten Betonwänden mit Stahlarmierung gemäß dem Oberbegriff des Anspruchs 1.The invention relates to spacers for use in the manufacture of double-shell, partially prefabricated concrete walls with steel reinforcement according to the generic term of claim 1.

Aus der DE 298 03 561 U ist ein Abstandhalter zur Verwendung bei der Herstellung von zweischaligen, teilvorgefertigten Betonwänden mit einer Stahlarmierung, vorzugsweise von Kellerwänden, bekannt. Dieser besitzt einen standfesten Fuß, eine Spitze und dazwischen einen Schaft. Der Abstand zwischen Fuß und Spitze entspricht der Dicke der fertigen Betonwand. Im Fuß befindet sich wenigstens eine Aussparung, deren Größe an den Durchmesser der Stahlarmierung angepasst ist und deren Position so gewählt ist, dass die Armierung den Abstandhalter auf der Schalung fixiert. Vorzugsweise ist der Abstandhalter einstückig aus Kunststoff gespritzt. Der Fuß selbst ist dreibeinig, um einen stabilen Halt zu erreichen.From the DE 298 03 561 U is a spacer for use in the manufacture of double-shell, partially prefabricated concrete walls with a steel reinforcement, preferably basement walls, known. This has a stable foot, a tip and a shaft in between. The distance between the base and the tip corresponds to the thickness of the finished concrete wall. There is at least one recess in the foot, the size of which is adapted to the diameter of the steel reinforcement and the position of which is selected such that the reinforcement fixes the spacer on the formwork. The spacer is preferably injection molded in one piece from plastic. The foot itself is three-legged in order to achieve a stable hold.

Dieser Abstandhalter ist besonders geeignet für die Herstellung von doppelschaligen Betonwänden, die mit herkömmlichen Gitterträgern gefertigt werden. Diese herkömmlichen Gitterträger haben einen schlanken, V-förmigen Querschnitt, der zu einer guten Verankerung im Beton führt und der Wand eine hohe Festigkeit verleiht.This spacer is special suitable for the production of double-shell concrete walls using conventional trusses are manufactured. These conventional ones girder have a slim, V-shaped Cross section that leads to good anchoring in the concrete and gives the wall high strength.

In neuerer Zeit sind zweischalige, teilvorgefertigte Betonwände mit einer Kernschicht aus geschäumtem Kunststoff entwickelt worden. Mit diesen Wänden können die von der Norm geforderten k-Werte erreicht werden, ohne dass auf die Betonaußenseite Isoliermaterial aufgeklebt werden muss.In recent times, two-shell, partially prefabricated concrete walls with a core layer of foamed Plastic has been developed. With these walls, the k-values required by the standard can be achieved without gluing insulating material to the outside of the concrete must become.

Um die Blöcke aus Isoliermaterial möglichst nahtlos anordnen zu können, werden anstelle der herkömmlichen Gitterträger mit V-Querschnitt solche mit einem etwa L-Querschnitt verwendet. Dank dieser veränderten Gitterträger würden sich die Isolierblöcke praktisch nahtlos stoßen lassen. Dies wird jedoch durch die eingangs beschriebenen Abstandshalter verhindert. Das ist unbefriedigend.To make the blocks of insulating material as seamless as possible to be able to order are instead of the conventional girder with a V cross section, those with an approximately L cross section are used. Thanks to this changed girder would the insulation blocks come across practically seamless to let. However, this is due to the spacers described above prevented. It is unsatisfactory.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, einen Abstandhalter der eingangs genannten Art anzugeben, der das Stoßen der Isolierblöcke nicht behindert.The present invention lies based on the task of a spacer of the aforementioned Specify the type of bumping of the insulating blocks not disabled.

Diese Aufgabe wird gelöst durch einen Abstandshalter mit den Merkmalen des Anspruchs 1.This task is solved by a spacer with the features of claim 1.

Dank der Verrippung an dem den Fuß bildenden Kunststoffelement ist die Verankerung zwischen Abstandshalter und der zuerst betonierten Wandschale optimal. Dadurch kann die Konstruktion problemlos gedreht und zur Fertigung der zweiten Wandschale in die Form gestellt werden. Da der erfindungsgemäße Abstandshalter jedenfalls in dem Bereich, in dem die Isolierblöcke positioniert werden, nur eine minimale Stärke hat, lassen sich die Isolierblöcke praktisch fugenlos verlegen und die teilvorgefertigte Betonwand bekommt eine optimale Wärmedämmung.Thanks to the ribbing on the foot Plastic element is the anchor between the spacer and the first concrete shell. This allows the construction rotated easily and for the production of the second wall shell in the Form. In any case, since the spacer according to the invention only in the area where the insulation blocks are positioned a minimal strength insulation blocks Lay practically seamless and the partially prefabricated concrete wall gets optimal thermal insulation.

Gemäß einer Weiterbildung der Erfindung besitzt auch der Kopf Rippen zur Verankerung im Beton.According to a development of the invention also the head ribs for anchoring in concrete.

Vorteilhafterweise sind Kopf und Fuß auf den Stahlstab aufgespritzt. Dadurch ergibt sich eine innige Verbindung, wie sie für eine leichte Handhabung erforderlich ist.Advantageously, head and Walk on sprayed on the steel rod. This creates an intimate connection, like you for easy handling is required.

Anhand der Zeichnung soll die Erfindung in Form eines Ausführungsbeispiels näher erläutert werden.The invention is based on the drawing in the form of an embodiment are explained in more detail.

Die Figur zeigt rein schematisch ausschnittsweise einen Querschnitt durch eine noch in der Schalung (1) liegende zweischalige, teilvorgefertigte Betonwand. Diese ist bereits so weit fertiggestellt, dass sie aus der Schalung 1 ausgeschalt werden kann.The figure shows a purely schematic section of a cross section through a still in the formwork ( 1 ) lying double-shell, partially prefabricated concrete wall. This has already been completed so far that it is out of the formwork 1 can be switched off.

Der Abstandhalter 10 besteht aus einem schlanken Stahlstab 11, an dessen einem Ende ein Fuß 12 und an dessen anderem Ende ein Kopf 15 angespritzt ist. Fuß 12 und Kopf 15 bestehen aus Kunststoff, sind im wesentlichen zylindrisch und laufen jeweils in eine Spitze 14, 17 aus. Umlaufende Rippen 13, 16 sorgen für eine gute Verankerung mit den sie umgebenden Betonschichten 2, 3.The spacer 10 consists of a slim steel rod 11 with a foot at one end 12 and a head at the other end 15 is injected. foot 12 and head 15 are made of plastic, are essentially cylindrical and each have a tip 14 . 17 out. All-round ribs 13 . 16 ensure good anchoring with the surrounding concrete layers 2 . 3 ,

Zur Herstellung der zweischaligen Betonwand mit Kernisolierung werden zunächst Abstandshalter 10 mit den Gitterträgern 4 verbunden. Dazu können Rödeldrähte verwendet werden. Die Gitterträger 4 besitzen einen im wesentlichen L-förmigen Querschnitt mit einem Obergurt 4.1 und zwei Untergurten 4.2.Spacers are used to manufacture the double-shell concrete wall with core insulation 10 with the lattice girders 4 connected. For this purpose, wire wires can be used. The lattice girders 4 have an essentially L-shaped cross section with an upper chord 4.1 and two lower chords 4.2 ,

Die Kombination aus Gitterträger 4 und Abstandshalter 10 wird nun mit dem Fuß 12 nach unten in die Schalung 1 gestellt. Anschließend wird die erste Wandschicht 2 aus Beton eingebracht. Auf die noch weiche Betonschicht 2 werden Blöcke 5 aus geschäumtem Kunststoff, beispielsweise geschäumten Polystyrol, gestellt und dicht gestoßen, soweit es Abstandshalter 10 und Gitterträger 4 erlauben. Die Isolierblöcke 5 werden mit Hilfe von Kunststoffnägeln 6 in der noch weichen Betonschicht 2 verankert.The combination of lattice girders 4 and spacers 10 is now with the foot 12 down into the formwork 1 posed. Then the first wall layer 2 made of concrete. On the still soft layer of concrete 2 become blocks 5 made of foamed plastic, for example foamed polystyrene, and butted tightly as far as there are spacers 10 and lattice girders 4 allow. The insulation blocks 5 are made with the help of plastic nails 6 in the still soft concrete layer 2 anchored.

Sobald die erste Betonschicht 2 ausgehärtet ist, wird die Teilwand um 180° gedreht und mit dem Kopf 15 voraus in die Schalung 1 gestellt. Anschließend wird die zweite Betonschicht 3 eingebracht und ausgehärtet. Dabei sorgen die Rippen 16 am Kopf 15 für eine gute Verankerung.Once the first layer of concrete 2 is cured, the partial wall is turned by 180 ° and with the head 15 ahead into the formwork 1 posed. Then the second layer of concrete 3 introduced and cured. The ribs take care of this 16 on the head 15 for a good anchorage.

Zwischen der zweiten Betonschicht 3 und den Isolierblöcken 5 verbleibt ein Leerraum 7, der in herkömmlicher Weise auf der Baustelle mit Ortbeton ausgefüllt wird.Between the second layer of concrete 3 and the insulating blocks 5 there is an empty space 7 , which is filled in the conventional way on site with in-situ concrete.

Claims (3)

Abstandhalter (10) zur Verwendung bei der Herstellung von zweischaligen, teilvorgefertigten Betonwänden mit einer Stahlarmierung (4), umfassend – einen Stahlstab (11), – einen Fuß (12) mit einer Spitze (14) – und einen Kopf (15) mit einer Spitze (17), – Kopf (15) und Fuß (12) bestehen aus Kunststoff, gekennzeichnet durch die Merkmale: – der Fuß (12) – ist zylindrisch – und besitzt Rippen (13) zur Verankerung im Beton (2), – der Kopf (15) ist zylindrisch.Spacer ( 10 ) for use in the manufacture of double-shell, partially prefabricated concrete walls with steel reinforcement ( 4 ), comprising - a steel rod ( 11 ), - one foot ( 12 ) with a tip ( 14 ) - and a head ( 15 ) with a tip ( 17 ), - Head ( 15 ) and foot ( 12 ) are made of plastic, characterized by the features: - the foot ( 12 ) - is cylindrical - and has ribs ( 13 ) for anchoring in concrete ( 2 ), - the head ( 15 ) is cylindrical. Abstandhalter nach Anspruch 1, gekennzeichnet durch das Merkmal: – der Kopf (15) besitzt Rippen (16) zur Verankerung im Beton.Spacer according to claim 1, characterized by the feature: - the head ( 15 ) has ribs ( 16 ) for anchoring in concrete. Abstandhalter nach Anspruch 1 oder 2, gekennzeichnet durch das Merkmal: – Kopf (15) und Fuß (12) sind auf den Stahlstab (11) aufgespritzt.Spacer according to claim 1 or 2, characterized by the feature: - head ( 15 ) and foot ( 12 ) are on the steel rod ( 11 ) sprayed on.
DE20318424U 2003-11-28 2003-11-28 Spacer for concrete cavity wall has steel rod with ribbed pointed ends injection moulded onto it Expired - Lifetime DE20318424U1 (en)

Priority Applications (1)

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DE20318424U DE20318424U1 (en) 2003-11-28 2003-11-28 Spacer for concrete cavity wall has steel rod with ribbed pointed ends injection moulded onto it

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DE20318424U DE20318424U1 (en) 2003-11-28 2003-11-28 Spacer for concrete cavity wall has steel rod with ribbed pointed ends injection moulded onto it

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1760208A3 (en) * 2005-08-30 2008-09-03 SCHÖCK BAUTEILE GmbH System and method for making insulated cavity walls
WO2008144790A2 (en) * 2007-05-31 2008-12-04 Franz Oberndorfer Gmbh & Co Connecting element and cavity wall element comprising connecting elements of this type
WO2009151915A1 (en) * 2008-05-27 2009-12-17 American Fortress Homes, Inc. Composite building panel
EP2500479A1 (en) * 2011-03-16 2012-09-19 Syspro-Gruppe Betonbauteile e.V. Wall construction element consisting of two layers of concrete which are spaced apart and connected with a bolt
CN105587073A (en) * 2015-12-28 2016-05-18 浙江八达建设集团有限公司 Light self-insulation composite wallboard and manufacturing method thereof
CN114248399A (en) * 2020-09-22 2022-03-29 Kki企业有限公司 Wall assembly, connecting piece and injection moulding mould for manufacturing connecting piece

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1760208A3 (en) * 2005-08-30 2008-09-03 SCHÖCK BAUTEILE GmbH System and method for making insulated cavity walls
WO2008144790A2 (en) * 2007-05-31 2008-12-04 Franz Oberndorfer Gmbh & Co Connecting element and cavity wall element comprising connecting elements of this type
WO2008144790A3 (en) * 2007-05-31 2009-04-30 Franz Oberndorfer Gmbh & Co Connecting element and cavity wall element comprising connecting elements of this type
WO2009151915A1 (en) * 2008-05-27 2009-12-17 American Fortress Homes, Inc. Composite building panel
US7739844B2 (en) 2008-05-27 2010-06-22 American Fortress Homes, Inc. Composite building panel
US7836660B2 (en) 2008-05-27 2010-11-23 American Fortress Homes, Inc. Method of making a composite building panel
EP2500479A1 (en) * 2011-03-16 2012-09-19 Syspro-Gruppe Betonbauteile e.V. Wall construction element consisting of two layers of concrete which are spaced apart and connected with a bolt
CN105587073A (en) * 2015-12-28 2016-05-18 浙江八达建设集团有限公司 Light self-insulation composite wallboard and manufacturing method thereof
CN105587073B (en) * 2015-12-28 2018-04-13 浙江八达建设集团有限公司 The preparation method of lightweight Self-insulating composite wallboard
CN114248399A (en) * 2020-09-22 2022-03-29 Kki企业有限公司 Wall assembly, connecting piece and injection moulding mould for manufacturing connecting piece
EP3971360A3 (en) * 2020-09-22 2022-05-25 KKI Enterprises GmbH Wall component, especially a facade wall component and connecting means
EP4008848A3 (en) * 2020-09-22 2022-09-07 Peikko Group Oy Wall component, in particular a facade wall component

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