EP0092693A1 - Form element with slabs of rigid foam for permanent-construction walls - Google Patents

Form element with slabs of rigid foam for permanent-construction walls Download PDF

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Publication number
EP0092693A1
EP0092693A1 EP83103226A EP83103226A EP0092693A1 EP 0092693 A1 EP0092693 A1 EP 0092693A1 EP 83103226 A EP83103226 A EP 83103226A EP 83103226 A EP83103226 A EP 83103226A EP 0092693 A1 EP0092693 A1 EP 0092693A1
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EP
European Patent Office
Prior art keywords
formwork element
element according
web
plates
grooves
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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.)
Granted
Application number
EP83103226A
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German (de)
French (fr)
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EP0092693B1 (en
Inventor
Daniele Obino
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Aregger AG Bauunternehmung
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Aregger AG Bauunternehmung
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Application filed by Aregger AG Bauunternehmung filed Critical Aregger AG Bauunternehmung
Priority to DE8484106517T priority Critical patent/DE3363832D1/en
Priority to AT83103226T priority patent/ATE12534T1/en
Publication of EP0092693A1 publication Critical patent/EP0092693A1/en
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Classifications

    • 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
    • E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
    • 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
    • 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
    • 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
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0204—Non-undercut connections, e.g. tongue and groove connections
    • E04B2002/0215—Non-undercut connections, e.g. tongue and groove connections with separate protrusions
    • E04B2002/0223—Non-undercut connections, e.g. tongue and groove connections with separate protrusions of cylindrical shape
    • 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
    • E04B2002/8676—Wall end details

Definitions

  • the invention relates to a formwork element for the shell concrete construction, with two parallel, vertical hard foam panels, which are rigidly connected to each other by vertical cross-webs.
  • Such stacked formwork elements form a so-called “lost formwork” for a wall, which is created by concreting the formwork.
  • the "lost formwork” then forms an insulation layer on both sides of the wall.
  • Such a formwork element is known from OE-PS 3? 6 879 and CH-PS 519 066, the webs consisting of full material being foamed into strong inner projections of the (thus uneven) foam sheets.
  • the foam projections form weakening points in the concrete, which have a fire-related, acoustic and unfavorable effect on the attachment of objects to the wall, but also statically.
  • the divisibility of an element is limited by the coarse grid, which means that the building dimension cannot be freely selected.
  • a formwork element according to OE-PS 322 804 avoids these holes, but buys the advantage with the disadvantage of the asbestos webs to be glued in the tensile zone, whereby the divisibility remains problematic and the durability on the building is questionable. It is obviously an element related to the formwork to be assembled on the construction site, which can be rejected from rational considerations.
  • the invention has for its object to provide a formwork element of the type mentioned, which does not have the disadvantages mentioned, and which is economically advantageous to manufacture and use.
  • a formwork element of the type mentioned is proposed, which is characterized in that the panels are flat and have the same height and length, and that the webs are at least partially less than the panels. Due to the flat plates, there are no foam projections on the inside, which they call could form "holes" for fire, noise and fasteners.
  • An at least partially fire-retardant, preferably a metal, web supports this "freedom from holes".
  • the anchor grooves also have the advantage of interlocking with the concrete, so that even in the absence of a web and between the webs, the plates adhere optimally to the concrete.
  • the connection of stacked elements is also problematic in the known elements, wherein transverse grooves and cross combs are also provided to avoid horizontal displacements in the groove and comb, as described, for example, in Swiss Patent 616,981. This requires a rough grid.
  • This disadvantage can be avoided by arranging one or more rows of cylindrical suppositories on the top (or less preferably below) on the face of each plate, while on the face (facing away) from this face corresponding depressions are arranged end face.
  • the recesses on the undersides are less prone to dirt and the space between the suppositories on top can be easily kept clean and cleaned.
  • a sealing rib and an opposite sealing groove are advantageous, as can also be seen in the drawing.
  • Cross grooves in each recess are then advantageous for corner formation without harming them, since they are closed transversely by the cones and the sealing rib.
  • All measures of the E rfin- dung can be according to the invention also advantageous in the case of different thickness plates apply existing elements, this difference in thickness is capable of affecting low when comes to the outside to be the thicker plate on outer walls of a building. With the sum of all measures, grids of 25 mm and even less can be achieved. Even finer but also coarse grids are possible. Marking the outer surfaces of the panels facilitates the cut and prevents cuts in the webs where you do not necessarily want to do this.
  • the formwork element shown has two different thickness polystyrene foam panels 1 and 2, which are connected by steel webs 3 parallel to each other and rigidly together.
  • the webs 3 are foamed in the plates 1 and 2, wherein 2, 4, 5, 7 and 8 for the person skilled in the art, the flange tabs 30 are clearly visible in the pressure zone, ie in the zone of the plates 1 and 2 in which the concrete filling creates pressure along the plates.
  • breakthroughs 31 according to FIGS. 4 and 6 are at least predominantly arranged in the pull zone, that is to say where the concrete filling creates a pull in the longitudinal direction of the slab. Good cohesion of the foam and no formation of cracks on the webs 3 are to be feared. Cams 32 on the webs 3 serve to determine the possible location of reinforcing bars. The webs have a very low height, so that there is practically no interruption in the concrete.
  • the flange tabs 31 are formed by elements which are partially punched out of the material of the web 3 and bent at right angles from the web plane.
  • the resulting openings in the web 3 thus serve at least partially as openings 31.
  • the webs 3 can be produced efficiently and with almost no loss of material.
  • dovetail grooves 10 and 20 are provided at the same distance, so that each "groove spacing" would fit into a dovetail groove 10 and 20, respectively.
  • the grooves 10 are offset by half a pitch from the grooves 20.
  • Corresponding counterparts 40 in a staggered arrangement are on the vertical forehead flatten the partition 4 which can be inserted between the plates 1 and 2.
  • an offset by half a pitch (half a groove central distance) is possible.
  • two rows of suppositories 5 are provided on the top of each plate 1 and 2, the suppositories of the inner row being connected to one another by a less high sealing rib 6.
  • depressions 50 are provided at the bottom of the plates 1 and 2, all of which are crossed by sealing grooves 60.

Abstract

Two panel members, preferably with different thickness, made of foamed, hardened plastic material, are connected together by means of cross members made of metal, whereby the connecting flanges of the cross members have small dimensions and are foamed into the panel members with a high resistance to be pulled out. Each panel member comprises, on the upper side, a plurality of plugs and, on the lower side, a plurality of corresponding recesses. Further, there is provided an upper sealing rib and a lower sealing groove. Thereby, a plurality of formwork components can be sealingly assembled to form a shuttering for the erection of a concrete wall. Dovetailed grooves at the inner surface of the panel members ensure a reliable adhesion of the concrete on the panel members. These grooves also serve to receive separating members to form a wall termination.

Description

Die Erfindung betrifft ein Schalungselement für die Mantelbetonbauweise, mit zwei zueinander parallelen, vertikalen Hartschaum-Platten, die durch vertikale Quer-Stege starr miteinander verbunden sind. Solche übereinandergestellten Schalungselemente bilden eine sogenannte "verlorene Schalung" für eine Mauer, die durch Ausbetonieren der Schalung entsteht. Die "verlorene Schalung" bildet sodann eine beidseitige Isolationsschicht an der Mauer.The invention relates to a formwork element for the shell concrete construction, with two parallel, vertical hard foam panels, which are rigidly connected to each other by vertical cross-webs. Such stacked formwork elements form a so-called "lost formwork" for a wall, which is created by concreting the formwork. The "lost formwork" then forms an insulation layer on both sides of the wall.

Ein derartiges Schalungselement ist aus der OE-PS 3?6 879 und der CH-PS 519 066 bekannt, wobei die aus vollem Material bestehenden Stege in starken inneren Vorsprüngen der (somit unebenen) Schaumstoff-Platten eingeschäumt sind. Die Schaumstoff-Vorsprünge bilden Schwächungsstellen im Beton, die sich feuertechnisch, akustisch und hinsichtlich der Befestigung von Gegenständen an der Mauer, aber auch statisch ungünstig auswirken. Zudem ist die Teilbarkeit eines Elementes durch den groben Raster beschränkt und dadurch die Baudimension nicht genügend frei wählbar.Such a formwork element is known from OE-PS 3? 6 879 and CH-PS 519 066, the webs consisting of full material being foamed into strong inner projections of the (thus uneven) foam sheets. The foam projections form weakening points in the concrete, which have a fire-related, acoustic and unfavorable effect on the attachment of objects to the wall, but also statically. In addition, the divisibility of an element is limited by the coarse grid, which means that the building dimension cannot be freely selected.

Diese Nachteile sind bei Schalungselementen mit durchgehenden Schaumstoff-Stegen (z.B. gemäss CH-PS 616 981) noch ausgeprägter, weil reguläre, durchgehende "Löcher".im Beton vorhanden sind.These disadvantages are even more pronounced with formwork elements with continuous foam webs (e.g. according to CH-PS 616 981) because there are regular, continuous "holes" in the concrete.

Ein Schalungselement nach der OE-PS 322 804 vermeidet diese Löcher, erkauft den Vorteil aber mit dem Nachteil der in der Zugzone einzuklebenden Asbeststege, wobei die Teilbarkeit problematisch verbleibt und die Haltbarkeit am Bau fragwürdig ist. Es handelt sich dabei offensichtlich um ein der auf der Baustelle zusammenzusetzenden Schalung verwandtes Element, was schon aus rationellen Ueberlegungen abzulehnen ist.A formwork element according to OE-PS 322 804 avoids these holes, but buys the advantage with the disadvantage of the asbestos webs to be glued in the tensile zone, whereby the divisibility remains problematic and the durability on the building is questionable. It is obviously an element related to the formwork to be assembled on the construction site, which can be rejected from rational considerations.

Der Erfindung liegt die Aufgabe zugrunde, ein Schalungselement der eingangs genannten Art zu schaffen, das die genannten Nachteile nicht hat, und das in der Herstellung und Verwendung wirtschaftlich vorteilhaft ist. Zur Lösung dieser Aufgabe wird ein Schalungselement der eingangs genannten Art vorgeschlagen, das sich dadurch auszeichnet, dass die Platten flach sind und gleiche Höhe und Länge aufweisen, und dass die Stege mindestens teilweise eine geringere Höhe als die Platten besitzen. Durch die flachen Platten sind innen keine Schaumstoffvorsprünge vorhanden, die die genannten "Löcher" für Feuer, Schall und Befestigungsmittel bilden könnten. Ein zumindest teilweise feuerhemmender, vorzugsweise ein aus Metall bestehender Steg unterstützt diese "Lochfreiheit".The invention has for its object to provide a formwork element of the type mentioned, which does not have the disadvantages mentioned, and which is economically advantageous to manufacture and use. To solve this problem, a formwork element of the type mentioned is proposed, which is characterized in that the panels are flat and have the same height and length, and that the webs are at least partially less than the panels. Due to the flat plates, there are no foam projections on the inside, which they call could form "holes" for fire, noise and fasteners. An at least partially fire-retardant, preferably a metal, web supports this "freedom from holes".

Wenn man an einem, vorzugsweise ganz metallenen Steg an beiden Enden und vorzugsweise beidseitig eine Mehrzahl von voneinander durch Unterbrüche getrennte Flanschlappen anbringt, ist eine erstaunliche Steigerung der Verankerungskraft zu bemerken, die durch Anbringen der Flanschlappen in der Druckzone der Platten (bezogen auf den Zustand bei mit unverfestigtem Beton gefülltem Element) gesteigert werden kann. Wenn man im Steg Durchbrechungen anordnet, die sich zumindest teilweise in der Zugzone (bezogen auf das mit unverfestigtem Beton gefüllte Element) der Platten befinden, kann die Ausreisskraft ebenfalls gefördert werden. Eine Kombination beider Massnahmen erlaubt es, bei geringen Steg-Abmessungen, in der Längsrichtung des Elementes hohe Festigkeit zu erzielen und dabei allen übrigen Erfordernissen, einschliesslich einer Teilbarkeit in kleinem Raster, zu genügen. Bringt man innen an jeder Platte eine Vielzahl von gleiches Mass und gleichen Abstand aufweisenden schwalbenschwanzartigen, vertikalen Ankernuten an, und sieht Hartschaum-Trennwände mit entsprechenden .Gegenstücken vor, so kann man in einem nur von der Nutdimension bestimmten Raster an jedem Ort eines Baues einen Mauerendabschluss schaffen. Durch gegenseitig um eine Nutbreite bzw. einen Nutabstand versetzte Anordnung der Ankernuten an den sich gegenüberliegenden Platten und entsprechenden Versatz der Gegenelemente der Trennwand ist der diesbezügliche Raster sogar halbierbar, weil eine Trennwand um 180 gewendet um eine halbe Nutbreite bzw. um einen halben Nutabstand versetzt werden kann. Dies ist in Kombination mit der vorher genannten Stegausbildung besonders vorteilhaft.If a plurality of flange tabs separated from one another by interruptions is attached to a, preferably entirely metal, web at both ends and preferably on both sides, an astonishing increase in the anchoring force can be noticed, which results from attaching the flange tabs in the pressure zone of the plates (in relation to the condition at element filled with unconsolidated concrete) can be increased. If you arrange openings in the web that are at least partially in the tensile zone (based on the element filled with unconsolidated concrete) of the panels, the pull-out force can also be promoted. A combination of both measures makes it possible to achieve high strength in the longitudinal direction of the element with small web dimensions and to meet all other requirements, including divisibility in a small grid. If a plurality of dovetail-like, vertical anchor grooves with the same dimensions and the same spacing are attached to the inside of each panel, and rigid foam partitions are provided with corresponding counterparts, in this way, you can create a wall finish at any location in a building in a grid that is only determined by the groove dimension. By arranging the anchor grooves on the opposing plates opposite one another by a groove width or a groove spacing and correspondingly displacing the counter-elements of the partition, the relevant grid can even be halved, because a partition is turned by 180 by half a groove width or half a groove spacing can. This is particularly advantageous in combination with the aforementioned web formation.

Die Ankernuten haben zudem den Vorteil einer Verzahnung mit dem Beton, so dass auch bei Fehlen eines Steges und zwischen den Stegen eine optimale Haftung der Platten am Beton gegeben ist. Problematisch ist bei den bekannten Elementen auch die Verbindung von übereinandergestellten Elementen, wobei man zurVermeidung von horizontalen Verschiebungen bei Nut und Kamm auch Quernuten und Querkämme vorsieht, wie dies z.B. in der CH-PS 616 981 beschrieben ist. Dies bedingt einen groben Raster. Dieser Nachteil kann dadurch vermieden werden, dass oben (oder weniger bevorzugterweise unten) an der Stirnfläche jeder Platte eine oder mehrere Reihen von zylinderartigen Zäpfchen angeordnet wird, während an der dieser Stirnfläche (abgewandt) gegenüberliegenden Stirnfläche entsprechende Vertiefungen angeordnet werden. Die Vertiefungen an den Unterseiten sind weniger auf Schmutz anfällig und der Zwischenraum der oben liegenden Zäpfchen lässt sich.leicht sauber halten und säubern.The anchor grooves also have the advantage of interlocking with the concrete, so that even in the absence of a web and between the webs, the plates adhere optimally to the concrete. The connection of stacked elements is also problematic in the known elements, wherein transverse grooves and cross combs are also provided to avoid horizontal displacements in the groove and comb, as described, for example, in Swiss Patent 616,981. This requires a rough grid. This disadvantage can be avoided by arranging one or more rows of cylindrical suppositories on the top (or less preferably below) on the face of each plate, while on the face (facing away) from this face corresponding depressions are arranged end face. The recesses on the undersides are less prone to dirt and the space between the suppositories on top can be easily kept clean and cleaned.

Damit die Zementmilch durch die Fuge zweier übereinanderstehender Elemente nicht austritt, ist eine Dichtungsrippe und eine entgegengesetzte Dichtungsnut vorteilhaft, wie sie besonders auch aus der Zeichnung hervorgeht. Quernuten bei jeder Vertiefung sind dann für die Eckenbildung vorteilhaft, ohne dass sie schaden würden, werden sie doch durch die Zäpfchen und Dichtungsrippe jeweils quer geschlossen. Auch diese Massnahmen sind in Kombination mit den bereits geschilderten besonders wirksam. Alle Massnahmen der Erfin- dung lassen sich erfindungsgemäss auch vorteilhaft bei aus verschieden dicken Platten bestehenden Elementen anwenden, wobei dieser Dickenunterschied sich günstig auszuwirken vermag, wenn an Aussenwänden eines Bauwerkes die dickere Platte nach aussen zu stehen kommt. Es lassen sich mit der Summe aller Massnahmen Raster von 25 mm und noch weniger erreichen. Selbst feinere aber auch grobe Raster sind möglich. Eine Markierung der Aussenflächen der Platten erleichtert die Schnittführung und lässt Schnitte in die Stege vermeiden, wo man dies nicht unbedingt tun will.So that the cement milk does not leak through the joint of two elements standing one above the other, a sealing rib and an opposite sealing groove are advantageous, as can also be seen in the drawing. Cross grooves in each recess are then advantageous for corner formation without harming them, since they are closed transversely by the cones and the sealing rib. These measures are also particularly effective in combination with those already described. All measures of the E rfin- dung can be according to the invention also advantageous in the case of different thickness plates apply existing elements, this difference in thickness is capable of affecting low when comes to the outside to be the thicker plate on outer walls of a building. With the sum of all measures, grids of 25 mm and even less can be achieved. Even finer but also coarse grids are possible. Marking the outer surfaces of the panels facilitates the cut and prevents cuts in the webs where you do not necessarily want to do this.

Die erfindungsgemässen Schalungselemente bringen an sich oder in einem Bauwerk besonders folgende Vorteile:

  • - Isolierfähigkeit des Hartschaumes, wie z.B. aus Polystyrol und Polyurethan.
  • - Vermeiden von Durchgängen für Feuer, Schall, Schädlinge.
  • - Vermeiden von "Löchern" für Befestigungsankerpunkte.
  • - Höhere statische Beton-Festigkeit.
  • - Kleine Rasterung möglich und somit praktisch keine Beschränkung der Baumasse (da ja die Toleranzen ohnehin im Rasterbereich liegen dürften, wenn dieser bei 25 mm liegt).
  • - Bessere Verankerung zwischen Platten und Beton.
  • - Bessere Verankerung zwischen Steg und Schaumstoff.
  • - Vermeiden von Wärmebrücken durch gute Abdichtung gegen Zementmilchdurchgang.
The formwork elements according to the invention bring the following advantages in themselves or in a building:
  • - Isolation ability of the rigid foam, such as polystyrene and polyurethane.
  • - Avoiding passages for fire, sound, pests.
  • - Avoiding "holes" for mounting anchor points.
  • - Higher static concrete strength.
  • - Small grid possible and therefore practically no limitation of the building dimensions (since the tolerances should be in the grid area anyway, if this is 25 mm).
  • - Better anchoring between slabs and concrete.
  • - Better anchoring between the bridge and foam.
  • - Avoid thermal bridges through good sealing against the passage of cement milk.

Die Erfindung wird nachstehend anhand der schematischen Zeichnung eines bevorzugten Schalungselementes beispielsweise besprochen. Es zeigen:

  • Fig. 1 eine Ansicht eines erfindungsgemässen Schalungselementes in perspektivischen Darstellung,
  • Fig. 2 eine Draufsicht nach Pfeil II in Fig. l,
  • Fig. 3 eine Draufsicht auf eine einsetzbare Trennwand,
  • Fig. 4 eine perspektivische Darstellung eines in die andeutungsweise und schematisch gezeigten Platten, eingeschäumten Stege,
  • Fig. 5 eine ausschnittweise Unteransicht nach Pfeil IV in Fig. 1,
  • Fig. 6 eine Unteransicht auf die einsetzbare Trennwand,
  • Fig. 7 einen Schnitt nach Linie VI-VI in Fig. 2, und
  • Fig. 8 einen Teilschnitt nach Linie VII-VII in Fig. 7.
The invention is discussed below with reference to the schematic drawing of a preferred formwork element, for example. Show it:
  • 1 is a perspective view of a formwork element according to the invention,
  • 2 is a plan view according to arrow II in Fig. L,
  • 3 is a plan view of an insertable partition,
  • 4 shows a perspective illustration of a web which is foamed into the plates, which are indicated and shown schematically,
  • 5 is a partial bottom view according to arrow IV in Fig. 1,
  • 6 is a bottom view of the insertable partition,
  • Fig. 7 is a section along line VI-VI in Fig. 2, and
  • 8 shows a partial section along line VII-VII in FIG. 7.

Das gezeichnete Schalungselement hat zwei verschieden dicke Polystyrolschaum-Platten 1 und 2, die durch Stahl-Stege 3 parallel zueinander und starr miteinander verbunden sind. Die Stege 3 sind in den Platten 1 und 2 eingeschäumt, wobei in für den Fachmann aus den Fig. 2, 4, 5, 7 und 8 klar ersichtlicher Weise die Flanschlappen 30 sich in der Druckzone befinden, d.h. in jener Zone der Platten 1 und 2, in der die Betonfüllung längs der Platten Druck erzeugt.The formwork element shown has two different thickness polystyrene foam panels 1 and 2, which are connected by steel webs 3 parallel to each other and rigidly together. The webs 3 are foamed in the plates 1 and 2, wherein 2, 4, 5, 7 and 8 for the person skilled in the art, the flange tabs 30 are clearly visible in the pressure zone, ie in the zone of the plates 1 and 2 in which the concrete filling creates pressure along the plates.

Dagegen sind Durchbrüche 31 gemäss Fig. 4 und 6 zumindest vorwiegend in der Zugzone angeordnet, also dort, wo die Betonfüllung einen Zug in der Plattenlängsrichtung erzeugt. So ist ein guter Zusammenhalt des Schaumstoffes und keine Rissbildung an den Stegen 3 zu befürchten. Nocken 32 an den Stegen 3 dienen der eventuellen Platzbestimmung von Armierungsstäben. Die Stege weisen eine nur sehr geringe Höhe auf, so dass praktisch kein Unterbruch im Beton entsteht.In contrast, breakthroughs 31 according to FIGS. 4 and 6 are at least predominantly arranged in the pull zone, that is to say where the concrete filling creates a pull in the longitudinal direction of the slab. Good cohesion of the foam and no formation of cracks on the webs 3 are to be feared. Cams 32 on the webs 3 serve to determine the possible location of reinforcing bars. The webs have a very low height, so that there is practically no interruption in the concrete.

Insbesondere aus Fig. 4 ist ersichtlich, dass die Flanschlappen 31 durch teilweise aus dem Material des Steges 3 ausgestanzte, rechtwinklig aus der Stegebene abgebogene Elemente gebildet sind. Die dadurch entstehenden Oeffnungen im Steg 3 dienen so zumindest teilweise als Durchbrüche 31. Dadurch lassen sich die Stege 3 rationell und fast ohne Materialverlust herstellen.It can be seen in particular from FIG. 4 that the flange tabs 31 are formed by elements which are partially punched out of the material of the web 3 and bent at right angles from the web plane. The resulting openings in the web 3 thus serve at least partially as openings 31. As a result, the webs 3 can be produced efficiently and with almost no loss of material.

An der Innenseite der Platten 1 und 2 sind Schwalbenschwanznuten 10 und 20 in gleichem Abstand vorgesehen, so dass jeder "Nutenabstand" in eine Schwalbenschwanznut 10 bzw. 20 passen würde. Die Nuten 10 sind gegenüber den Nuten 20 um eine halbe Teilung versetzt. Entsprechende Gegenstücke 40 in ebenfalls versetzter Anordnung sind an den vertikalen Stirnfläähen der zwischen die Platten 1 und 2 passend einsetzbaren Trennwand 4 vorgesehen. Je nach der Stellung der Trennwand 4 ist ein Versatz um eine halbe Teilung (ein halber Nutenzentralabstand) möglich. Analog zu den Nuten 10 und 20 sind oben an jeder Platte 1 und 2 zwei Reihen von Zäpfchen 5 vorgesehen, wobei jeweils die Zäpfchen der inneren Reihe durch eine weniger hohe Dichtrippe 6 miteinander verbunden sind.On the inside of the plates 1 and 2, dovetail grooves 10 and 20 are provided at the same distance, so that each "groove spacing" would fit into a dovetail groove 10 and 20, respectively. The grooves 10 are offset by half a pitch from the grooves 20. Corresponding counterparts 40 in a staggered arrangement are on the vertical forehead flatten the partition 4 which can be inserted between the plates 1 and 2. Depending on the position of the partition 4, an offset by half a pitch (half a groove central distance) is possible. Analogous to the grooves 10 and 20, two rows of suppositories 5 are provided on the top of each plate 1 and 2, the suppositories of the inner row being connected to one another by a less high sealing rib 6.

Als Gegenstück zu den Zäpfchen 5 sind unten an den Platten 1 und 2 Vertiefungen 50 vorgesehen, die allesamt von Dichtungsnuten 60 angekreuzt werden.As counterpart to the suppository 5, depressions 50 are provided at the bottom of the plates 1 and 2, all of which are crossed by sealing grooves 60.

So ist ein Versatz um einen Zäpfchenzentralabstand längs und quer möglich. Markierungen 7 an der Aussenseite der Platten 1 und 2 sind im Rasterabstand (gleich Zäpfchenabstand, gleich Schwalbenschwanznutenabstand) angebracht. Die Flanschbreite der Stege ist kleiner als dieses Mass. Hier ist ein Raster von z.B. 25 mm konstruktiv vorgesehen.An offset by a central suppository length and length is possible. Markings 7 on the outside of the plates 1 and 2 are made in the grid spacing (equal to the cone spacing, equal to the dovetail groove spacing). The flange width of the webs is smaller than this dimension. Here is a grid of e.g. 25 mm designed.

Man erkennt wohl ohne weitere Erklärung die bereits geschilderten Zusammenhänge, die zu den bereits genannten Vorteilen führen.One can recognize without further explanation the connections already described, which lead to the advantages already mentioned.

Claims (12)

1. Schalungselement für die Mantelbetonbauweise, mit zwei zueinander parallelen, vertikalen Hartschaum-Platten (1, 2) die durch vertikale Quer-Stege (3) starr miteinander verbunden sind, dadurch gekennzeichnet, dass die Platten (1, 2) flach sind und gleiche Höhe und Länge aufweisen, und dass die Stege (3) mindestens teilweise eine geringere Höhe als die Platten besitzen.1. Formwork element for the sheath concrete construction, with two parallel, vertical hard foam panels (1, 2) which are rigidly connected to each other by vertical cross-webs (3), characterized in that the panels (1, 2) are flat and the same Have height and length, and that the webs (3) at least partially have a lower height than the plates. 2. Schalungselement nach Anspruch 1, dadurch gekennzeichnet, dass jeder Steg (3) aus Metall oder zumindest teilweise aus feuerhemmendem Material besteht.2. Formwork element according to claim 1, characterized in that each web (3) consists of metal or at least partially of fire-retardant material. 3. Schalungselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass jeder insbesondere aus Metall bestehende Steg (3) in seinen beiden Endbereichen vorzugsweise beidseitig angeordnete, voneinander getrennte Flanschlappen (30) in einer Druckzone jeder Platte (1, 2) und näher bei seinem Mittelbereich wenigstens teilweise in einer Zugzone der Platten (1, 2) gelegene Durchbrüche (31) aufweist, wobei die Druckzone und die Zugzone auf einen Belastungszustand des Schalungselementes bezogen sind, der beim mit unverfestigtem Beton gefüllten Schalungselement vorliegt.3. Formwork element according to claim 1 or 2, characterized in that each in particular made of metal web (3) in its two end regions, preferably on both sides arranged, separate flange tabs (30) in a pressure zone of each plate (1, 2) and closer to it The central region has openings (31) located at least partially in a tensile zone of the plates (1, 2), the pressure zone and the tensile zone being related to a loading condition of the formwork element which is present in the formwork element filled with unconsolidated concrete. 4. Schalungselement nach Anspruch 3, dadurch gekennzeichnet, dass die Flanschlappen (30) durch ausgestanzte und rechtwinklig aus der Stegebene abgebogene Elemente des Steges (3) und die Durchbrüche (31) zumindest teilweise durch die so entstandenen Stanzöffnungen in den beiden Endbereichen des Stegs (3) gebildet sind.4. Formwork element according to claim 3, characterized in that the flange tabs (30) by punched and bent at right angles from the web plane elements of the web (3) and the openings (31) at least partially through the resulting punch openings in the two end regions of the web ( 3) are formed. 5. Schalungslement nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass an der Innenseite jeder Platte (1,2) eine Vielzahl von gleich dimensionierten und gleich beabstandeten, vertikalen, im Querschnitt schwalbenschwanzförmigen Ankernuten (10, 20) vorgesehen ist.5. Formwork element according to one of the preceding claims, characterized in that on the inside of each plate (1,2) a plurality of equally dimensioned and equally spaced, vertical, cross-section dovetail-shaped anchor grooves (10, 20) is provided. 6. Schalungselement nach Anspruch 5, dadurch gekennzeichnet, dass es ferner wenigstens eine zwischen die Platten (1, 2) einschiebbare, Plattenhöhe aufweisende Hartschaum-Trennwand (4) mit in die genannten Ankernuten (10, 20) einsetzbar passenden Gegenelementen (40) umfasst.6. Formwork element according to claim 5, characterized in that it further comprises at least one rigid foam partition (4) which can be inserted between the plates (1, 2) and has plate height and has mating elements (40) which can be inserted into said anchor grooves (10, 20) . 7. Schalungselement nach Anspruch 5 und 6, dadurch gekennzeichnet, dass die genannten Ankernuten (10, 20) an den beiden Platten (1, 2) versetzt angeordnet sind und dass die Gegenelemente (40) an jeder Trennwand (4) den gleichen Versatz aufweisen, dergestalt, dass jede Trennwand (4) durch um 180° gedrehtes Einsetzen um eine halbe Teilung der Ankernutenabstände versetzbar ist.7. Formwork element according to claim 5 and 6, characterized in that said anchor grooves (10, 20) on the two plates (1, 2) are arranged offset and that the counter-elements (40) on each partition (4) have the same offset , in such a way that each partition (4) can be displaced by half a pitch of the anchor groove spacing by insertion turned through 180 °. 8. Schalungselement nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass jede Platte (1, 2) und/oder Trennwand (4) an ihrer oberen oder unteren Stirnfläche in Reihe (n) angeordnete, zumindest annähernd zylindrische Zapfen (5) und an der gegenüberliegenden, unteren bzw. oberen Stirnfläche entsprechend angeordnete, passende Vertiefungen (50) aufweist.8. Formwork element according to one of the preceding claims, characterized in that each plate (1, 2) and / or partition (4) arranged on its upper or lower end face in row (s), at least approximately cylindrical pin (5) and on the Has opposite, lower or upper end face correspondingly arranged, suitable recesses (50). 9. Schalungselement nach Anspruch 8, dadurch gekennzeichnet, dass entlang wenigstens einer Reihe von Zapfen (5) eine niedriger als die Zapfen (5) ausgebildete, diese miteinander verbindende Dichtungsrippe (6) vorgesehen ist, und dass in der gegenüberliegenden Stirnfläche längs und quer verlaufende, die Vertiefungen (50) kreuzende Dichtungsnuten (60) angeordnet sind.9. Formwork element according to claim 8, characterized in that along at least one row of pegs (5) a lower than the pegs (5) formed, this interconnecting sealing rib (6) is provided, and that in the opposite end face extending longitudinally and transversely , the recesses (50) crossing sealing grooves (60) are arranged. 10. Schalungselement nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Stege (3), Ankernuten (10, 20), Zapfen (5), Vertiefungen (50), Dichtungsrippen (6) und Dichtungsnuten (60) zumindest in der Längsrichtung des Schalungselementes nach einem einheitlichen Raster angeordnet sind, wobei jeder Steg (3) in der besagten Längsrichtung des Schalungselementes eine höchstens Rastermass besitzende Dimension aufweist.10. Formwork element according to one of the preceding claims, characterized in that the webs (3), anchor grooves (10, 20), pins (5), depressions (50), sealing ribs (6) and sealing grooves (60) at least in the longitudinal direction of the Formwork element are arranged according to a uniform grid, each web (3) having a dimension of at most grid dimension in the longitudinal direction of the formwork element. 11. Schalungselement nach Ansruch 10, dadurch gekennzeichnet, dass das Rastermass 25 mm beträgt, wobei an der Aussenseite der Platten (1, 2) Schnittmarkierungen (7) angebracht sind.11. Formwork element according to claim 10, characterized in that the grid dimension is 25 mm, with cut markings (7) being made on the outside of the panels (1, 2). 12. Schalungselement nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die beiden Platten (1, 2) ungleiche Wandstärke aufweisen.12. Formwork element according to one of the preceding claims, characterized in that the two plates (1, 2) have unequal wall thickness.
EP83103226A 1982-04-23 1983-03-31 Form element with slabs of rigid foam for permanent-construction walls Expired EP0092693B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8484106517T DE3363832D1 (en) 1982-04-23 1983-03-31 Concrete form element for the construction in permanent form
AT83103226T ATE12534T1 (en) 1982-04-23 1983-03-31 FORMWORK ELEMENT WITH RIGID FOAM PANELS FOR CONCRETE CONSTRUCTION.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH247082A CH645152A5 (en) 1982-04-23 1982-04-23 FORMWORK ELEMENT FOR THE SHEET CONCRETE CONSTRUCTION.
CH2470/82 1982-04-23

Related Child Applications (1)

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EP0092693A1 true EP0092693A1 (en) 1983-11-02
EP0092693B1 EP0092693B1 (en) 1985-04-03

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EP84106517A Expired EP0137105B1 (en) 1982-04-23 1983-03-31 Concrete form element for the construction in permanent form
EP83103226A Expired EP0092693B1 (en) 1982-04-23 1983-03-31 Form element with slabs of rigid foam for permanent-construction walls

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US (1) US4731968A (en)
EP (2) EP0137105B1 (en)
AT (1) ATE20107T1 (en)
CA (1) CA1209364A (en)
CH (1) CH645152A5 (en)
DE (1) DE3360086D1 (en)
ES (1) ES281859Y (en)
IE (1) IE54163B1 (en)
MX (1) MX158849A (en)
ZA (1) ZA832884B (en)

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EP0153660A3 (en) * 1984-02-17 1987-03-25 Ipa-Isorast International S.A. Concrete form element for the construction in permanent form
GB2162560A (en) * 1984-07-31 1986-02-05 Penguin Swimming Pools Swimming pool construction
FR2735803A1 (en) * 1995-06-21 1996-12-27 Euromac 2 Sarl Self-shuttering insulated construction block for concrete walls
WO1997001007A1 (en) * 1995-06-21 1997-01-09 Michel Philippe Insulating construction panel or block, connecting spacer web and connection insert

Also Published As

Publication number Publication date
EP0137105A1 (en) 1985-04-17
ES281859Y (en) 1985-10-16
EP0092693B1 (en) 1985-04-03
IE54163B1 (en) 1989-07-05
CA1209364A (en) 1986-08-12
US4731968A (en) 1988-03-22
CH645152A5 (en) 1984-09-14
EP0137105B1 (en) 1986-05-28
ATE20107T1 (en) 1986-06-15
IE830878L (en) 1983-10-23
ZA832884B (en) 1984-01-25
ES281859U (en) 1985-03-01
MX158849A (en) 1989-03-17
DE3360086D1 (en) 1985-05-09

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