EP0137105A1 - Concrete form element for the construction in permanent form - Google Patents

Concrete form element for the construction in permanent form Download PDF

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Publication number
EP0137105A1
EP0137105A1 EP84106517A EP84106517A EP0137105A1 EP 0137105 A1 EP0137105 A1 EP 0137105A1 EP 84106517 A EP84106517 A EP 84106517A EP 84106517 A EP84106517 A EP 84106517A EP 0137105 A1 EP0137105 A1 EP 0137105A1
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EP
European Patent Office
Prior art keywords
formwork element
element according
grooves
face
formwork
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Granted
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EP84106517A
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German (de)
French (fr)
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EP0137105B1 (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 AT84106517T priority Critical patent/ATE20107T1/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 present invention relates to a formwork element for the shell concrete construction, with two mutually parallel, vertical, equal height and length having rigid foam panels, which are vertical, metallic crossbars with at least partially lower height than the panels are rigidly connected.
  • 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.
  • a generic formwork element which, however, has no metallic crossbars, is known from CH-PS 616 981.
  • the side plates made of hard foam are provided on their bearing surfaces, ie on their upper edges and lower edges, with a tongue and groove design, which allows similar elements to be placed on top of one another and thereby ensures that the individual elements are fixed against one another.
  • the formwork element according to the above-mentioned CH-PS requires a complicated shape, it cannot be ruled out that when the essentially liquid concrete is introduced, it is present Cement milk escapes because the selected configuration of the tongue and groove arrangement cannot guarantee a secure seal.
  • a division of this formwork element is hardly possible, let alone in a fine grid; however, this requirement must be met in particular if wall corners are to be formed within comparatively small dimensional tolerances.
  • CH-PS 519 066 discloses a generic formwork element which, although it has metallic transverse webs for the mutual connection of the spaced-apart rigid foam panels, in which construction the problem of sealing the interior of a formwork formed by a plurality of such formwork blocks is just as little solved as that of divisibility within a comparatively small grid dimension.
  • the webs made of full material are foamed into strong inner projections of the (thus uneven) foam panels.
  • 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 invention has for its object to provide a formwork element of the type mentioned, which does not have the disadvantages mentioned, which is economically advantageous in manufacture and use, which is characterized by an extremely resistant connection of the two panels and which is simple in the safe way can be connected to formwork elements above and below, while at the same time a reliable sealing of the interior of the formwork from the outside and a divisibility in a small grid should be given.
  • each plate has at least approximately cylindrical pegs arranged in series on its upper or lower end face and corresponding recesses correspondingly arranged on the opposite, lower or upper end face having.
  • a sealing rib which is lower than the pins and connects them to one another, and that longitudinal and transverse sealing grooves which cross the depressions are arranged in the opposite end face.
  • a fire-retardant preferably made of metal web supports this "hole-free”.
  • 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.
  • connection of stacked elements is problematic in the known elements, whereby transverse grooves and cross combs are also provided to avoid horizontal displacements in the groove and comb, as is the case e.g. is described in CH-PS 616 981.
  • this requires an undesirably coarse grid.
  • This disadvantage is avoided according to the invention in that one or more rows of cylindrical suppositories are arranged at the top (or less preferably below) on the end face of each plate, while corresponding depressions are arranged on the end face opposite (facing away).
  • 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 would, they are each closed transversely by the suppository and sealing rib.
  • the formwork element shown has two polystyrene foam panels 1 and 2 of different thicknesses, which are connected to one another and rigidly with one another by steel webs 3.
  • the bridges 3 are foamed in the plates 1 and 2, the flange tabs 30 being located in the pressure zone, that is to say in the zone of the plates 1 and 2 in which the Concrete filling creates pressure along the slabs.
  • openings 31 according to FIG. 5 are at least predominantly arranged in the tension zone, that is to say where the concrete filling creates a tension 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 likewise staggered arrangement are on the vertical end faces between the Plates 1 and 2 suitable partition 4 are provided. Depending on the position of the partition 4, 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.
  • Markings 7 on the outside of the plates 1 and 2 are made at a grid spacing (equal to the cone spacing, equal to the dovetail groove spacing).
  • the flange width of the webs is smaller than this dimension.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Building Environments (AREA)

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 vorliegende Erfindung betrifft ein Schalungslement für die Mantelbetonbauweise, mit zwei zueinander parallelen, vertikalen, gleiche Höhe sowie Länge aufweisenden Hartschaumplatten, die dadurch vertikale, metallische Querstege mit zumindest teilweise geringerer Höhe als die Platten starr miteinander verbunden sind.The present invention relates to a formwork element for the shell concrete construction, with two mutually parallel, vertical, equal height and length having rigid foam panels, which are vertical, metallic crossbars with at least partially lower height than the panels are rigidly connected.

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.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 gattungsgemässes Schalungselement, welches allerdings keine metallischen Querstege aufweist, ist aus der CH-PS 616 981 bekannt. Die aus Hartschaum bestehenden Seitenplatten sind an ihren Lagerflächen, d.h. an ihren Oberkanten bzw. Unterkanten, mit einer Feder-Nut-Ausbildung versehen, welche ein Aufeinandersetzen gleichartiger Elemente erlaubt und dabei gewährleistet, dass die einzelnen Elemente gegeneinander fixiert sind. Allerdings bedingt das Schalungselement nach der genannten CH-PS eine komplizierte Formgebung, wobei nicht ausgeschlossen werden kann, dass beim Einbringen des im wesentlichen flüssigen Betons darin vorhandene Zementmilch austritt, da die gewählte Ausbildung der Feder-Nut-Anordnung keine sichere Abdichtung gewährleisten kann. Ferner ist festzustellen, dass eine Teilung dieses Schalungselementes kaum, geschweige denn in einem feinen Raster möglich ist; diese Anforderung ist aber insbesondere dann zu erfüllen, wenn innerhalb vergleichsweise geringer Masstoleranzen Mauerecken auszubilden sind.A generic formwork element, which, however, has no metallic crossbars, is known from CH-PS 616 981. The side plates made of hard foam are provided on their bearing surfaces, ie on their upper edges and lower edges, with a tongue and groove design, which allows similar elements to be placed on top of one another and thereby ensures that the individual elements are fixed against one another. However, the formwork element according to the above-mentioned CH-PS requires a complicated shape, it cannot be ruled out that when the essentially liquid concrete is introduced, it is present Cement milk escapes because the selected configuration of the tongue and groove arrangement cannot guarantee a secure seal. It should also be noted that a division of this formwork element is hardly possible, let alone in a fine grid; however, this requirement must be met in particular if wall corners are to be formed within comparatively small dimensional tolerances.

Die CH-PS 519 066 offenbart ein gattungsgemässes Schalungselement, welches zwar metallische Querstege zur gegenseitigen Verbindung der im Abstand zueinander angeordneten Hartschaumplatten aufweist, bei welcher Konstruktion jedoch das Problem der Abdichtung des Innenraumes einer durch eine Mehrzahl von solchen Schalungssteinen gebildeten Schalung ebensowenig gelöst ist, wie dasjenige der Teilbarkeit innerhalb eines vergleichsweise kleinen Rastermasses.CH-PS 519 066 discloses a generic formwork element which, although it has metallic transverse webs for the mutual connection of the spaced-apart rigid foam panels, in which construction the problem of sealing the interior of a formwork formed by a plurality of such formwork blocks is just as little solved as that of divisibility within a comparatively small grid dimension.

Dazu kommt, dass bei dem Schalungsstein gemäss CH-PS 519 066 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.In addition, in the formwork block according to CH-PS 519 066, the webs made of full material are foamed into strong inner projections of the (thus uneven) foam panels. 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.

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. 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. Auch die gegenseitige Verankerung der Schalungselemente untereinander und die Abdichtung des Innenraums der so gebildeten Schalung bleibt ungelöst.These disadvantages are even more pronounced in formwork elements with continuous foam webs (eg according to CH-PS 616 981) because regular, continuous "holes" are present in the concrete. 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 mutual anchoring of the formwork elements to one another and the sealing of the interior of the formwork thus formed remain unsolved.

Der Erfindung liegt die Aufgabe zugrunde, ein Schalungselement der eingangs genannten Art zu schaffen, das die erwähnten Nachteile nicht aufweist, das in der Herstellung und Verwendung wirtschaftlich vorteilhaft ist, das sich durch eine ausgesprochen widerstandfähige Verbindung der beiden Platten auszeichnet und das auf einfachste Weise sicher mit darüber- und darunterliegenden Schalungselementen verbindbar ist, wobei gleichzeitig eine zuverlässige Abdichtung des Innenraums der Schalung gegen aussen und eine Teilbarkeit in kleinem Raster gegeben sein soll.The invention has for its object to provide a formwork element of the type mentioned, which does not have the disadvantages mentioned, which is economically advantageous in manufacture and use, which is characterized by an extremely resistant connection of the two panels and which is simple in the safe way can be connected to formwork elements above and below, while at the same time a reliable sealing of the interior of the formwork from the outside and a divisibility in a small grid should be given.

Zur Lösung dieser Aufgabe wird ein Schalungselement der eingangs genannten Art vorgeschlagen, das dadurch gekennzeichnet ist, dass jede Platte an ihrer oberen oder unteren Stirnfläche in Reihe angeordnete, zumindest annähernd zylindrische Zapfen und an der gegenüberliegenden, unteren bzw. oberen Stirnfläche entsprechend angeordnete, passende Vertiefungen aufweist.To solve this problem, a formwork element of the type mentioned is proposed, which is characterized in that each plate has at least approximately cylindrical pegs arranged in series on its upper or lower end face and corresponding recesses correspondingly arranged on the opposite, lower or upper end face having.

Diese Massnahmen gewährleisten eine sichere, gegenseitige Verankerung der Schaluhgselemente und erlauben es, z.B. bei einem Mauerendabschluss ein Schalungselement praktisch genau nach Mass abzuschneiden, ohne dass Nachteile bezüglich der Stabilität der Schalung in Kauf genommen werden müssten.These measures ensure secure, mutual anchoring of the formwork elements and allow, e.g. cut a formwork element practically exactly to the end of a wall without having to accept disadvantages with regard to the stability of the formwork.

Bei einem bevorzugten Ausführungsbeispiel ist vorgesehen, dass entlang wenigstens einer Reihe von Zapfen eine niedriger als die Zapfen ausgebildete, diese miteinander verbindende Dichtungsrippe vorgesehen ist, und dass in der gegenüberliegenden Stirnfläche längs- und querverlaufende, die Vertiefungen kreuzende Dichtungsnuten angeordnet sind.In a preferred exemplary embodiment it is provided that along at least one row of pins there is provided a sealing rib which is lower than the pins and connects them to one another, and that longitudinal and transverse sealing grooves which cross the depressions are arranged in the opposite end face.

Durch die vorzugsweise im wesentlichen eben ausgebildeten Platten sind innen keine Schaumstoffvorsprünge vorhanden, die die genannten "Löcher" für Feuer, Schall und Befestigungsmittel bilden oder die Festigkeit der so erstellten Mauer beeinträchtigen könnten. Ein feuerhemmender, vorzugsweise aus Metall bestehender Steg unterstützt diese "Lochfreiheit".Due to the preferably essentially flat plates, there are no foam projections on the inside, which form the “holes” mentioned for fire, noise and fasteners or could impair the strength of the wall thus created. A fire-retardant, preferably made of metal web supports this "hole-free".

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 Grad gewendet, um eine halbe Nutbreite bzw. um einen halben Nutabstand versetzt werden kann. Dies ist in Kombination mit der vorher genannten Stegausbildung besonders vorteilhaft. 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.If you install a multitude of dovetail-like, vertical anchor grooves on each panel with the same dimensions and the same spacing, and hard foam partitions are provided with corresponding counterparts, you can create a wall end finish at any location in a building in a grid that is only determined by the groove dimension . By mutually offset by a groove width or a groove spacing arrangement of the anchor grooves on the opposite plates and corresponding offset of the The corresponding grid can even be halved against counter-elements of the partition wall, because a partition wall, turned by 180 degrees, can be offset by half a groove width or by half a groove spacing. This is particularly advantageous in combination with the aforementioned web formation. 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.

Wie schon erwähnt, ist bei den bekannten Elementen die Verbindung von übereinandergestellten Elementen problematisch, wobei man zur Vermeidung 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 aber einen unerwünscht groben Raster. Dieser Nachteil wird gemäss der Erfindung dadurch vermieden, 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.As already mentioned, the connection of stacked elements is problematic in the known elements, whereby transverse grooves and cross combs are also provided to avoid horizontal displacements in the groove and comb, as is the case e.g. is described in CH-PS 616 981. However, this requires an undesirably coarse grid. This disadvantage is avoided according to the invention in that one or more rows of cylindrical suppositories are arranged at the top (or less preferably below) on the end face of each plate, while corresponding depressions are arranged on the end face opposite (facing away). 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 Erfindung lassen sich vorteilhaft bei aus verschieden dicken Platte 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 gröbere Raster sind möglich. Eine Markierung der Aussenfläche 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 would, they are each closed transversely by the suppository and sealing rib. These measures are also particularly effective in combination with those already described. All measures of the invention can advantageously be used in the case of elements consisting of slabs of different thicknesses, this difference in thickness being able to have a favorable effect if the thicker slab comes to the outside on the outside walls of a building. With the sum of all measures, grids of 25 mm and even less can be achieved. Even finer, but also coarser grids are possible. Marking the outer surface of the panels facilitates the cut and prevents cuts in the webs where you do not necessarily want to do this.

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

  • - 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 dürfte, wenn dieser bei 25 mm liegt).
  • - Bessere Verankerung zwischen Platten und Beton.
  • - Vermeiden von Wärmebrücken durch gute Abdichtung gegen Zementmildurchgang.
The formwork elements according to the invention can provide 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.
  • - Avoiding thermal bridges through good sealing against the passage of mild cement.

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

  • Fig. 1 eine Ansicht eines erfindungsgemässen Schalungselementes in perspektivischer Darstellung,
  • Fig. 2 eine Draufsicht nach Pfeil II in Fig. 1,
  • Fig. 3 eine Draufsicht auf eine einsetzbare Trennwand,
  • Fig. 4 eine ausschnittweise Unteransicht nach Pfeil IV in Fig. 1,
  • Fig. 5 eine Unteransicht auf die einsetzbare Trennwand,
  • Fig. 6 einen Schnitt nach Linie VI-VI in Fig. 2, und
  • Fig. 7 einen Teilschnitt nach Linie VII-VII in Fig. 6.
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. 1,
  • 3 is a plan view of an insertable partition,
  • 4 shows a partial bottom view according to arrow IV in FIG. 1,
  • 5 is a bottom view of the insertable partition,
  • Fig. 6 is a section along line VI-VI in Fig. 2, and
  • 7 shows a partial section along line VII-VII in FIG. 6.

Das gezeichnete Schalungselement hat zwei verschieden dicke Polystryrolschaum-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, 6 und 7 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 polystyrene foam panels 1 and 2 of different thicknesses, which are connected to one another and rigidly with one another by steel webs 3. The bridges 3 are foamed in the plates 1 and 2, the flange tabs 30 being located in the pressure zone, that is to say in the zone of the plates 1 and 2 in which the Concrete filling creates pressure along the slabs.

Dagegen sind Durchbrüche 31 gemäss Fig. 5 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, openings 31 according to FIG. 5 are at least predominantly arranged in the tension zone, that is to say where the concrete filling creates a tension 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.

Aus den Zeichnungen ist ferner zu ersehen, 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 also be seen from the drawings 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 Stirnflächen 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 likewise staggered arrangement are on the vertical end faces between the Plates 1 and 2 suitable partition 4 are provided. 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 at a 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 (9)

1. Schalungselement für die Mantelbetonbauweise, mit zwei zueinander parallelen, vertikalen, gleiche Höhe sowie Länge aufweisenden Hartschaum-Platten (1, 2), die durch vertikale, metallische Querstege (3) mit zumindest teilweise geringerer Höhe als die Platten starr miteinander verbunden sind, dadurch gekennzeichnet, dass jede Platte (1, 2) an ihrer oberen oder unteren Stirnfläche in Reihen angeordnete, zumindest annähernd zylindrische Zapfen (5) und an der gegenüberliegenden, unteren bzw. oberen Stirnfläche entsprechend angeordnete, passende Vertiefungen (50) aufweist.1. Formwork element for the sheath-concrete construction, with two parallel, vertical, equal height and length rigid foam panels (1, 2), which are rigidly connected to each other by vertical, metallic crossbars (3) with at least partially less height than the panels, characterized in that each plate (1, 2) has at least approximately cylindrical pins (5) arranged in rows on its upper or lower end face and corresponding recesses (50) correspondingly arranged on the opposite, lower or upper end face. 2. Schalungselement nach Anspruch 1, 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.2. Formwork element according to claim 1, 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. 3. Schalungselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Innenseite jeder Platte (1, 2) im wesentlichen eben ausgebildet und mit einer Vielzahl von gleich dimensionierten und gleich beabstandeten, vertikalen, im Querschnitt schwalbenschwanzförmigen Ankernuten (10, 20) versehen ist.3. Formwork element according to claim 1 or 2, characterized in that the inside of each plate (1, 2) is substantially flat and is provided with a plurality of equally dimensioned and equally spaced, vertical, cross-section dovetail-shaped anchor grooves (10, 20) . 4. Schalungselement nach Anspruch 3, 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) passend einsetzbaren Gegenelementen (40) umfasst.4. Formwork element according to claim 3, characterized in that it further comprises at least one rigid foam partition (4) which can be inserted between the panels (1, 2) and has panel height and which can be inserted with matching counter-elements (40) in said anchor grooves (10, 20) . 5. Schalungselement nach Anspruch 3 und 4, 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 Grad gedrehtes Einsetzen um eine halbe Teilung der Ankernutenabstände versetzbar ist.5. Formwork element according to claim 3 and 4, 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 turning it through 180 degrees. 6. Schalungselement nach Anspruch 4, dadurch gekennzeichnet, dass die Trennwand (4) ebenfalls an ihrer oberen oder unteren Stirnfläche in Reihen angeordnete, zumindest annähernd zylindrische Zapfen (5) und an der gegenüberliegenden unteren bzw. oberen Stirnfläche entsprechend angeordnete, passende Vertiefungen (50) aufweist.6. Formwork element according to claim 4, characterized in that the partition (4) also arranged on its upper or lower end face in rows, at least approximately cylindrical pins (5) and on the opposite lower or upper end face correspondingly arranged, suitable recesses (50 ) having. 7. 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.7. 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) in the longitudinal direction of the formwork element having a dimension having at most grid dimensions. 8. Schalungselement nach Anspruch 7, dadurch gekennzeichnet, dass das Rastermass 25 mm beträgt, wobei an der Aussenseite der Platten (1, 2) Schnittmarkierungen (7) angebracht sind.8. Formwork element according to claim 7, characterized in that the grid dimension is 25 mm, with cut markings (7) being made on the outside of the panels (1, 2). 9. Schalungselement nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die beiden Platten (1, 2) ungleiche Wandstärke aufweisen.9. Formwork element according to one of the preceding claims, characterized in that the two plates (1, 2) have unequal wall thickness.
EP84106517A 1982-04-23 1983-03-31 Concrete form element for the construction in permanent form Expired EP0137105B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84106517T ATE20107T1 (en) 1982-04-23 1983-03-31 FORMWORK ELEMENT FOR CONCRETE CONSTRUCTION.

Applications Claiming Priority (2)

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

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP83103226.3 Division 1983-03-31

Publications (2)

Publication Number Publication Date
EP0137105A1 true EP0137105A1 (en) 1985-04-17
EP0137105B1 EP0137105B1 (en) 1986-05-28

Family

ID=4234532

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

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Application Number Title Priority Date Filing Date
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) EP0092693B1 (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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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580698A1 (en) * 1985-04-22 1986-10-24 Marengo Pierre Formwork element for concrete
ITMI20102187A1 (en) * 2010-11-25 2012-05-26 Michele Caboni MODULAR STRUCTURE, PARTICULARLY FOR BUILDING.
WO2012070079A3 (en) * 2010-11-25 2013-08-15 Michele Caboni Variable-geometry modular structure composed of thermo-acoustic caissons, particularly for buildings
CN103443370A (en) * 2010-11-25 2013-12-11 米歇尔·卡伯尼 Variable-geometry modular structure composed of thermo-coustic caissons, particularly for buildings
US8881483B2 (en) 2010-11-25 2014-11-11 Michele Caboni Variable-geometry modular structure composed of thermo-acoustic caissons, particularly for buildings
CN103443370B (en) * 2010-11-25 2016-10-26 米歇尔·卡伯尼 Modular organization specifically for the geometry-variable formed by heat-sound open caisson of building
EA035161B1 (en) * 2010-11-25 2020-05-08 Микеле Кабони Variable-geometry modular structure composed of thermo-acoustic caissons for making walls of a building
US9279243B2 (en) 2011-01-13 2016-03-08 Michele Caboni Modular construction system for reinforcing foundation, pillars, isolated footings and anti-seismic separators, intended for variable-geometry heat-insulation formwork
US10435892B2 (en) 2011-01-13 2019-10-08 Michele Caboni Spacing element for making structural, aerated heat-insulation crawl spaces
US10584487B2 (en) 2011-01-13 2020-03-10 Michele Caboni Modular system for assembling a transpiring, disposable heat-insulation shuttering mould / formwork used for surface casting
US10982453B2 (en) 2011-01-13 2021-04-20 Michele Caboni Variable-geometry spacing connector for formwork and modular formwork system including such connector

Also Published As

Publication number Publication date
IE830878L (en) 1983-10-23
IE54163B1 (en) 1989-07-05
ES281859Y (en) 1985-10-16
DE3360086D1 (en) 1985-05-09
MX158849A (en) 1989-03-17
US4731968A (en) 1988-03-22
EP0092693B1 (en) 1985-04-03
CH645152A5 (en) 1984-09-14
EP0137105B1 (en) 1986-05-28
ZA832884B (en) 1984-01-25
CA1209364A (en) 1986-08-12
ES281859U (en) 1985-03-01
EP0092693A1 (en) 1983-11-02
ATE20107T1 (en) 1986-06-15

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