EP0718453B1 - Floor-shuttering - Google Patents

Floor-shuttering Download PDF

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Publication number
EP0718453B1
EP0718453B1 EP96104314A EP96104314A EP0718453B1 EP 0718453 B1 EP0718453 B1 EP 0718453B1 EP 96104314 A EP96104314 A EP 96104314A EP 96104314 A EP96104314 A EP 96104314A EP 0718453 B1 EP0718453 B1 EP 0718453B1
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EP
European Patent Office
Prior art keywords
support
plastic
mold according
carrier
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96104314A
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German (de)
French (fr)
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EP0718453A3 (en
EP0718453A2 (en
Inventor
Artur Schwörer
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Peri GmbH
Original Assignee
Peri GmbH
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Application filed by Peri GmbH filed Critical Peri GmbH
Publication of EP0718453A2 publication Critical patent/EP0718453A2/en
Publication of EP0718453A3 publication Critical patent/EP0718453A3/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs

Definitions

  • the invention relates to a formwork for a concrete ceiling Beams for ceiling formwork elements.
  • the object of the invention is to overcome these disadvantages avoid and cleaning the beams from concrete residues facilitate.
  • This object is achieved according to the invention in that a tough elastic at least on the upper surface of the carrier Plastic layer is provided and that between the Plastic layer and the underlying carrier surface Individual gaps exist at least in sections are a slight movement of the plastic section allow at right angles to the support surface.
  • the plastic layer can be extruded onto the carrier be applied.
  • this plastic layer provided with projections in the simplest way can be.
  • the plastic layer but from a prefabricated plastic strip, which is attached to the carrier.
  • a prefabricated plastic strip can in a particularly simple manner with projections provided, e.g. to fix or fix ceiling formwork elements are suitable.
  • the plastic strip can be used in embodiments of the invention interchangeably attached to the carrier. This is not only advantageous when replacing the plastic strip, but the carriers can also be converted if other ceiling formwork elements are to be placed on them, where the distance of the inner surface of the frame or one Stop from the edge of the ceiling formwork element is different with the formwork elements previously placed on the support.
  • the attachment of a prefabricated bar on the carrier can be done in different ways, for example the bar riveted or glued to the carrier.
  • the carrier has at least one undercut on its side walls in which the bar for its attachment, for. B. latching, engages.
  • the bar is in the longitudinal direction the wearer can be pushed onto it.
  • the plastic strip can be attached to the carrier by nailing.
  • the carrier 1 shown in Fig. 1, 2 and 3 is in the extrusion process made from an aluminum alloy. His Cross section is designed as a rectangular hollow profile. Is on the two longitudinal edges of the top 2 of the carrier 1 one each extending over the entire length of the carrier 1 Row of protrusions 3, 4 pointing outwards upwards molded. They form together with the top 2 of the carrier 1 a groove 5 along the entire length of the carrier 1. Die Groove 5 serves as a receptacle for formwork elements 11, 29. It has at the bottom twice the width of one parallel to the longitudinal axis of the beam extending frame legs 14, 15 of one to be inserted Formwork element 11, 29 on the facing away from the formwork skin Side of the formwork element.
  • Fig. 4 shows the carrier 1 in the groove 5 on its top 2 inserted formwork elements 11 and 29.
  • the formwork elements 11 and 29 have a frame 12 on which a Formwork skin 13 is attached.
  • the frame 12 is, for example made of welded aluminum profiles.
  • Longitudinal the groove 5 are each a leg 14, 15 of the frame 12 two adjacent formwork elements 11, 29 side by side added (see Fig. 4).
  • the groove 5 tapers downward.
  • the recesses 6 in the projections 3, 4 of the groove 5 are in the transverse direction to the carrier 1 of legs 16, 17 of the frame 12 penetrates two formwork elements 11, 30 each (see FIG. 3). Since the recesses 6 also taper downwards, are also the frame legs 16, 17 to each other. By the choice of the clear width of the recesses 6 at the top 2 of the carrier 1 can also the frame legs 16, 17th the formwork elements 30 and 11 bear against each other under tension (Fig. 3).
  • the carrier 1 in suspension parts 18, 19 are one Support 20 hung.
  • the hanging parts 18, 19 are hook-shaped; they reach inside the hollow profile of the carrier 1 one and each take a hanger pin 7.
  • the hanging parts 18, 19 can also be designed so that they a suspension bolt 7 on the outside of the carrier 1 on the side Pick up protruding ends.
  • Carriers 1 For setting up a slab formwork with the inventive Carriers 1 are first the carriers 1 with their ends so suspended in the supports 20 that several rows of beams 1 and supports 20 side by side at a distance of the length of the formwork elements to be applied arise. Standing on this Supporting structure, the formwork elements 11, 29, 30 are placed.
  • the recess 6 corresponds the length of the recess 6 twice the thickness of the in it engaging part 16, 17 of the frame 12 on the support 1 formwork elements 30, 33.
  • the recess 6 must be twice the length of the dimension from the inner surface of the frame leg 16 to Have edge of the formwork element.
  • Fig. 5 shows a cross section through another embodiment of a carrier. It has one through a wall 40 divided, closed rectangular cross-section. The lower Edge of the cross-section and the ends of the carrier point a special shape on the use of the carrier allow in connection with different prop heads.
  • the carrier has a smooth surface 41 at its upper edge on, in the longitudinal median plane of one over the entire length of the beam extending longitudinal groove 42 is provided, the Flanks at their upper end a smaller distance from each other have than the largest diameter of the groove.
  • the top wall 43 of the bracket 44 is above the side walls 45 of the carrier and there has approximately dovetail-shaped Cutouts 46 on. This follows each have a downwardly projecting extension 47, which as Drip nose can be formed.
  • plastic strip 50 pushed so that their more central, projecting below the flat section 48 Projection 49 engages in the groove 42 and there the section 48 holds on the surface 41.
  • the bar 50 points to their Legs 51 extending downwards on the longitudinal sides, that at the extensions when the bar is pushed onto the carrier 44 47 come to the plant and cover it.
  • Inside protruding projections 52 engage after pushing on the bar 50 into the dovetail cutouts 46 and there hold the legs 51 in close contact with the Extensions 47.
  • the strip 50 On the two edges of the flat strip section 48, the strip 50 each has a series of projections 53 and 54, their shape and their distance from each other the projections 3 and 4 according to the embodiment of FIG. 1 and 2 correspond.
  • the embodiment according to FIGS. 5 and 6 therefore differs of the embodiments according to FIGS. 1 to 4, that the projections 3 are not on the carrier 44 made of an aluminum alloy, but on a bar 50 made of a tough elastic Plastic molded on top of the carrier 44 is attached.
  • the strip section 48 is more or less close to the top surface 41 of the carrier.
  • the minor, after postponing existing gaps between the Ledge section 48 and the support surface 41 allow that the section 48 against the support surface 41 in a small amount Dimensions can move, which is sufficient to on the section 48th to let easily adhering concrete parts come off.
  • the thigh 51 extend laterally beyond the carrier 44 and shield thereby the side surface of the beam of concrete parts and Cement milk.
  • the projections project downwards 47 and the legs 51 have a drip nose at their end, drips on the cement milk and this from the side surfaces the carrier 44 holds.
  • the distance between the rows of protrusions 53 and 54 corresponds to the distance between the rows of projections 3 and 4 in the embodiment of FIGS. 2 and 4, the application the carrier 44 corresponds to the application of the carrier 1.
  • a carrier is made of wood, a plastic strip the leg, which may also extend downwards to protect the side surfaces of the carrier the wooden beams are nailed on.
  • the plastic strip 50 protects all surfaces of the carrier, that come into contact with concrete or cement milk splashes could, so before reusing the carrier only cleaned the surface of the tough elastic plastic must be, which is much easier to do is like cleaning a metal surface. There is no risk that the surface of the tough elastic plastic is damaged.
  • the projections prevent the formwork elements from slipping on the supports so that the formwork elements are contracted and stay tight. If the protrusions are made of plastic, so they can be elastic. That through this elasticity spring action causes the elements pull tight.
  • Embodiments of the carrier have a length of 2190 mm, a height to the top 2 of 164 mm and a width of Rectangular hollow profile of 60 mm.
  • the axis dimension of the support structure d. H. from the middle of a column 20 to the middle of the next support 20, is 2250 mm.
  • the carrier has a length of 1440 mm, the axis dimension is then 1500 mm. The measure from the center of a recess 6 to the middle of the next recess 6 for example 125 mm.
  • the protrusions are not attached to the top but to the side of the carrier are these projections and, if applicable, those on them Protrusions adjacent surfaces of the carrier with plastic be encased, which in turn is supported by a on the carrier attachable plastic strip can be realized.
  • the projections can not only be covered with plastic, but are made entirely of plastic.

Description

Die Erfindung betrifft eine Schalung für eine Betondecke mit Trägern für Deckenschalelemente.The invention relates to a formwork for a concrete ceiling Beams for ceiling formwork elements.

Das Reinigen der aus Metall bestehenden Träger von Betonresten ist oft zeitraubend und mühsam. Man hat zwar versucht, den Reinigungsprozeß dadurch zu vereinfachen, daß man Metallteile der Träger mit einem hydrophoben Pulver beschichtet hat, weil Zusammensetzungen eines Kunsststoffes bekannt sind, an denen Zementmilch nur schlecht haftet. Die bekannte Pulverschicht ist jedoch relativ weich, so daß sie beim Reinigen des Trägers von Betonresten durch Abschaben des Betons sehr oft verletzt wird und darunter das blanke Metall zum Vorschein kommt, oft auf dem Beton haftet.Cleaning the metal beams from concrete residues is often time consuming and tedious. You tried to simplify the cleaning process by having metal parts the carrier is coated with a hydrophobic powder has known because compositions of a plastic are to which cement milk adheres poorly. The well-known However, powder layer is relatively soft, so that when cleaning the carrier of concrete residues by scraping the concrete is injured very often, including the bare metal It appears that often adheres to the concrete.

Der Erfindung liegt die Aufgabe zugrunde, diese Nachteile zu vermeiden und das Reinigen der Träger von Betonresten zu erleichtern.The object of the invention is to overcome these disadvantages avoid and cleaning the beams from concrete residues facilitate.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß mindestens auf der oberen Fläche des Trägers eine zähelastische Kunststoffschicht vorgesehen ist und daß zwischen der Kunststoffschicht und der darunter befindlichen Trägeroberfläche zumindest abschnittsweise einzelne Zwischenräume vorhanden sind, die eine geringe Bewegung des Kunststoffabschnittes rechtwinklig zu der Trägerfläche erlauben. This object is achieved according to the invention in that a tough elastic at least on the upper surface of the carrier Plastic layer is provided and that between the Plastic layer and the underlying carrier surface Individual gaps exist at least in sections are a slight movement of the plastic section allow at right angles to the support surface.

Zum einen wird eine Schicht aus zähelastischem Kunststoff beim Reinigen des Trägers kaum verletzt. Zum anderen erlaubt die geringe Bewegung eines Abschnittes der Kunststoffschicht rechtwinklig zu der Trägeroberfläche, daß auf dieser Schicht haftende Betonreste bei einem leichten Klopfen auf die Kunststoffschicht abspringen. Das Reinigen des Trägers von Betonresten wird daher durch die Erfindung sehr erleichtert. Die Zwischenräume zwischen der Kunststoffschicht und der Trägerfläche können z.B. die Größe eines Spiels oder einer größeren Fertigungstoleranz aufweisen.On the one hand, there is a layer of tough elastic plastic hardly hurt when cleaning the carrier. Secondly, allowed the slight movement of a section of the plastic layer perpendicular to the support surface that on this layer adhesive concrete residues when tapping lightly on the Jump off the plastic layer. Cleaning the vehicle from Concrete residues are therefore made much easier by the invention. The gaps between the plastic layer and the Carrier surface can e.g. the size of a game or one have greater manufacturing tolerance.

Die Kunststoffschicht kann durch Strangpressen auf dem Träger aufgebracht werden. Darüberhinaus hat sie den Vorteil, daß bei einer Ausführungsform der Erfindung diese Kunststoffschicht auf einfachste Weise mit Vorsprüngen versehen werden kann.The plastic layer can be extruded onto the carrier be applied. In addition, it has the advantage that in one embodiment of the invention this plastic layer provided with projections in the simplest way can be.

Bei Ausführungsformen der Erfindung besteht die Kunststoffschicht jedoch aus einer vorgefertigten Kunststoffleiste, die auf dem Träger befestigt ist. Eine vorgefertigte Kunststoffleiste kann auf besonders einfache Weise mit Vorsprüngen versehen werden, die z.B. zum Festlegen oder Fixieren von Deckenschalelementen geeignet sind.In embodiments of the invention, the plastic layer but from a prefabricated plastic strip, which is attached to the carrier. A prefabricated plastic strip can in a particularly simple manner with projections provided, e.g. to fix or fix ceiling formwork elements are suitable.

Zwar ist durch die US-A-4 848 049 eine Holzkonstruktion bekanntgeworden, die einen Träger aus Holz und auf diesen aufgenagelte Bretter aufweist, die wegen im Querschnitt rechtwinkligen Querrippen, zwischen denen die Bretter plaziert werden sollen, nicht fugenlos, sondern im Abstand voneinander angeordnet sind. Zwischen der oberen Fläche des Trägers aus Holz und den darauf z. B. durch Nägel befestigten Brettern ist eine Leiste aus PVC angeordnet, die verhindern soll, daß Wasser in Nagellöcher oder Risse des Trägers eindringt. Die bei dieser bekannten Konstruktion auf der Leistenoberfläche vorgesehenen Querrippen mit dreieckigem Querschnitt sollen zur Ableitung von Wasser dienen. Die Kunststoffleiste liegt dicht auf der oberen Fläche des Trägers auf. Diese Holzkonstruktion eignet sich nicht zur Verwendung als Schalung für eine Betondecke. Bei einer solchen Betonschalung werden Schalelemente, auf die der Beton für die Decke aufgebracht wird, möglichst fugenlos aneinandergereiht. Bei der bekannten Holzkonstruktion mit nicht fugenlos auf den Träger aufgenagelten Brettern tritt das bei Schalungen für Betondecken bestehende Problem, den Träger von Betonresten zu befreien, garnicht auf.Although a wooden structure has become known from US-A-4,848,049, a wooden support and nailed to it Boards that are rectangular in cross section Cross ribs between which the boards are placed should not be seamless, but at a distance from each other are arranged. Between the top surface of the carrier made of wood and the z. B. boards fastened by nails is a bar made of PVC arranged to prevent is intended for water to penetrate into nail holes or cracks in the wearer. The known construction on the last surface provided transverse ribs with a triangular cross section are intended to drain water. The plastic bar lies close to the top surface of the carrier on. This wooden construction is not suitable for use as formwork for a concrete ceiling. With such concrete formwork are formwork elements on which the concrete for the Ceiling is applied, strung together as seamlessly as possible. In the known wooden construction with not seamless the board nailed to the beam occurs with formwork problem existing for concrete ceilings, the carrier of concrete residues to free up, not at all.

Die Kunststoffleiste kann bei Ausführungsformen der Erfindung austauschbar auf dem Träger befestigt sein. Dies ist nicht nur bei einer Erneuerung der Kunststoffleiste vorteilhaft, sondern es lassen sich die Träger auch umrüsten, wenn auf sie andere Deckenschalelemente aufgelegt werden sollen, bei denen der Abstand der Innenfläche des Rahmens bzw. eines Anschlages vom Rand des Deckenschalelementes anders ist als bei den vorhergehend auf den Träger aufgelegten Schalelementen.The plastic strip can be used in embodiments of the invention interchangeably attached to the carrier. This is not only advantageous when replacing the plastic strip, but the carriers can also be converted if other ceiling formwork elements are to be placed on them, where the distance of the inner surface of the frame or one Stop from the edge of the ceiling formwork element is different with the formwork elements previously placed on the support.

Die Befestigung einer vorgefertigten Leiste auf dem Träger kann auf verschiedene Weise erfolgen, die Leiste kann beispielsweise auf den Träger aufgenietet oder aufgeklebt werden. Bei einer Ausführungsform der Erfindung weist jedoch der Träger an seinen Seitenwänden mindestens eine Hinterschneidung auf, in die die Leiste zu ihrer Befestigung, z. B. rastend, eingreift.The attachment of a prefabricated bar on the carrier can be done in different ways, for example the bar riveted or glued to the carrier. However, in one embodiment of the invention the carrier has at least one undercut on its side walls in which the bar for its attachment, for. B. latching, engages.

Bei Ausführungsformen der Erfindung ist die Leiste in Längsrichtung des Trägers auf diesen aufschiebbar.In embodiments of the invention, the bar is in the longitudinal direction the wearer can be pushed onto it.

Besteht der Träger aus Holz, so kann die Kunststoffleiste auf dem Träger durch Aufnageln befestigt werden.If the carrier is made of wood, the plastic strip can be attached to the carrier by nailing.

In der Zeichnung sind die zum Verständnis der Erfindung wesentlichen Teile von Ausführungsformen der Erfindung dargestellt.In the drawing, the essential for understanding the invention Portions of embodiments of the invention are shown.

Es zeigen:

Fig. 1
eine erste Ausführungsform eines Trägers mit Vorsprüngen in Seitenansicht;
Fig. 2
einen Schnitt entlang Linie II-II in Fig. 1;
Fig. 3
zur Verdeutlichung der Funktion der Vorsprünge eine Deckenschalung in Ansicht und teilweise im Schnitt;
Fig. 4
einen Schnitt entlang Linie IV-IV in Fig. 3;
Fig. 5
einen der Fig. 2 entsprechenden Schnitt durch eine andere Ausführungsform eines Trägers;
Fig. 6
eine erfindungsgemäße Leiste für den Träger nach Fig. 5 im Schnitt.
Show it:
Fig. 1
a first embodiment of a carrier with projections in side view;
Fig. 2
a section along line II-II in Fig. 1;
Fig. 3
to illustrate the function of the projections, a ceiling formwork in view and partially in section;
Fig. 4
a section along line IV-IV in Fig. 3;
Fig. 5
a section corresponding to Figure 2 through another embodiment of a carrier.
Fig. 6
an inventive strip for the carrier of FIG. 5 in section.

Der in Fig. 1, 2 und 3 gezeigte Träger 1 ist im Strangpreßverfahren aus einer Aluminiumlegierung hergestellt. Sein Querschnitt ist als rechteckförmiges Hohlprofil ausgebildet. An den beiden Längskanten der Oberseite 2 des Trägers 1 ist je eine sich über die gesamte Länge des Trägers 1 erstrekkende Reihe schräg nach oben außen weisender Vorsprünge 3, 4 angeformt. Sie bilden zusammen mit der Oberseite 2 des Trägers 1 eine Nut 5 auf der gesamten Länge des Trägers 1. Die Nut 5 dient als Aufnahme für Schalelemente 11, 29. Sie hat am Grund die doppelte Breite eines parallel zur Trägerlängsachse verlaufenden Rahmenschenkels 14, 15 eines einzulegenden Schalelements 11, 29 an der der Schalhaut abgewandten Seite des Schalelementes. Die Vorsprünge 3 bzw. 4 begrenzen Aussparungen 6, die sich nach unten hin verjüngen. Ihre lichte Weite am Grund entspricht der doppelten Breite eines quer zur Trägerlängsachse verlaufenden Rahmenschenkels 16, 17 (Fig. 3) eines in die Nut 5 einzulegenden Schalelements 11, 30 an der der Schalhaut abgewandten Seite. Die Aussparungen 6 sind so angeordnet, daß sich ein Rastermaß ergibt, wenn aus Trägern 1 und geeigneten Stützen eine Stützkonstruktion für Schalelemente zur Schalung einer Decke aufgebaut wird. Der Abstand der Aussparungen 6 voneinander entspricht einem Bruchteil des entsprechenden Maßes eines Schalelementes 30. Bei der in Fig. 3 dargestellten Ausführungsform z. B. ein Siebtel der Breite eines Schalenelementes 30. An seinen beiden Enden ist der Träger 1 mit jeweils einer Einhängevorrichtung versehen, die in Fig. 3 der besseren Übersicht halber als einfacher Einhängebolzen 7 dargestellt ist, der quer durch die beiden Seitenwähne 8, 9 des Trägers 1 verläuft und beiderseits übersteht.The carrier 1 shown in Fig. 1, 2 and 3 is in the extrusion process made from an aluminum alloy. His Cross section is designed as a rectangular hollow profile. Is on the two longitudinal edges of the top 2 of the carrier 1 one each extending over the entire length of the carrier 1 Row of protrusions 3, 4 pointing outwards upwards molded. They form together with the top 2 of the carrier 1 a groove 5 along the entire length of the carrier 1. Die Groove 5 serves as a receptacle for formwork elements 11, 29. It has at the bottom twice the width of one parallel to the longitudinal axis of the beam extending frame legs 14, 15 of one to be inserted Formwork element 11, 29 on the facing away from the formwork skin Side of the formwork element. Limit the projections 3 and 4 Recesses 6 that taper downwards. Your clear width at the bottom corresponds to twice the width of one Frame leg 16 running transversely to the longitudinal axis of the carrier, 17 (FIG. 3) of a formwork element to be inserted into the groove 5 11, 30 on the side facing away from the formlining. The cutouts 6 are arranged so that there is a grid dimension, if a support structure from beams 1 and suitable supports built for formwork elements for formwork of a ceiling becomes. The distance between the recesses 6 corresponds to one another a fraction of the corresponding measure of one Formwork element 30. In the embodiment shown in FIG. 3 e.g. B. a seventh the width of a shell element 30. At its two ends, the carrier 1 is with each provided a suspension device, which is the better in Fig. 3 For the sake of clarity, this is shown as a simple hanging bolt 7 is the across the two side panels 8, 9 of Carrier 1 runs and survives on both sides.

Fig. 4 zeigt den Träger 1 mit in die Nut 5 auf seiner Oberseite 2 eingelegten Schalelementen 11 und 29. Die Schalelemente 11 und 29 weisen einen Rahmen 12 auf, an dem eine Schalhaut 13 befestigt ist. Der Rahmen 12 besteht beispielsweise aus verschweißten Aluminiumprofilen. In Längsrichtung der Nut 5 sind jeweils ein Schenkel 14, 15 des Rahmens 12 zweier aneinander anliegender Schalelemente 11, 29 nebeneinander aufgenommen (vgl. Fig. 4). Die Nut 5 verjüngt sich nach unten. Je nach Breite des Nutgrunds der Nut 5 einerseits und der Breite der beiden Schenkel 14, 15 der Schalelemente 11, 29 liegen die Schalelemente 11, 29 unter etwas Spannung aneinander.Fig. 4 shows the carrier 1 in the groove 5 on its top 2 inserted formwork elements 11 and 29. The formwork elements 11 and 29 have a frame 12 on which a Formwork skin 13 is attached. The frame 12 is, for example made of welded aluminum profiles. Longitudinal the groove 5 are each a leg 14, 15 of the frame 12 two adjacent formwork elements 11, 29 side by side added (see Fig. 4). The groove 5 tapers downward. Depending on the width of the bottom of the groove 5 on the one hand and the width of the two legs 14, 15 of the formwork elements 11, 29 are the formwork elements 11, 29 under something Tension to each other.

Die Aussparungen 6 in den Vorsprüngen 3, 4 der Nut 5 werden in Querrichtung zum Träger 1 von Schenkeln 16, 17 der Rahmen 12 je zweier Schalelemente 11, 30 durchsetzt (vgl. Fig. 3). Da sich die Aussparungen 6 ebenfalls nach unten verjüngen, liegen auch die Rahmenschenkel 16, 17 aneinander an. Durch die Wahl der lichten Weite der Aussparungen 6 an der Oberseite 2 des Trägers 1 können auch die Rahmenschenkel 16, 17 der Schalelemente 30 und 11 unter Spannung aneinander anliegen (Fig. 3). The recesses 6 in the projections 3, 4 of the groove 5 are in the transverse direction to the carrier 1 of legs 16, 17 of the frame 12 penetrates two formwork elements 11, 30 each (see FIG. 3). Since the recesses 6 also taper downwards, are also the frame legs 16, 17 to each other. By the choice of the clear width of the recesses 6 at the top 2 of the carrier 1 can also the frame legs 16, 17th the formwork elements 30 and 11 bear against each other under tension (Fig. 3).

Insgesamt liegen sämtliche Schalelemente einer Deckenschalung sowohl in Längs- als auch in Querrichtung dicht und bündig aneinander; es ergibt sich eine durchgehende und glatte Schalfläche, wie in Fig. 3 und 4 dargestellt.Overall, all formwork elements of a slab formwork are located both in the longitudinal and in the transverse direction dense and flush with each other; there is a continuous and smooth formwork surface, as shown in FIGS. 3 and 4.

In Fig. 3 sind die Träger 1 in Einhängeteile 18, 19 einer Stütze 20 eingehängt. Die Einhängeteile 18, 19 sind hakenförmig; sie greifen ins Innere des Hohlprofils der Träger 1 ein und nehmen jeweils einen Einhängebolzen 7 auf. Die Einhängeteile 18, 19 können auch so ausgebildet sein, daß sie einen Einhängebolzen 7 außen am Träger 1 an dessen seitlich überstehenden Enden aufnehmen.In Fig. 3, the carrier 1 in suspension parts 18, 19 are one Support 20 hung. The hanging parts 18, 19 are hook-shaped; they reach inside the hollow profile of the carrier 1 one and each take a hanger pin 7. The hanging parts 18, 19 can also be designed so that they a suspension bolt 7 on the outside of the carrier 1 on the side Pick up protruding ends.

Zum Aufstellen einer Deckenschalung mit den erfindungsgemäßen Trägern 1 werden zunächst die Träger 1 mit ihren Enden so in die Stützen 20 eingehängt, daß mehrere Reihen aus Trägern 1 und Stützen 20 nebeneinander im Abstand der Länge der aufzulegenden Schalelemente entstehen. Auf diese stehende Stützkonstruktion werden die Schalelemente 11, 29, 30 aufgelegt.For setting up a slab formwork with the inventive Carriers 1 are first the carriers 1 with their ends so suspended in the supports 20 that several rows of beams 1 and supports 20 side by side at a distance of the length of the formwork elements to be applied arise. Standing on this Supporting structure, the formwork elements 11, 29, 30 are placed.

Bei der dargestellten Ausführungsform der Erfindung entspricht die Länge der Aussparung 6 der doppelten Dicke des in sie eingreifenden Teiles 16, 17 des Rahmens 12 der auf den Träger 1 aufzulegenden Schalelemente 30, 33. Wenn jedoch der Rand des Schalelementes über den Rahmenschenkel 16 bzw. 17 hinaussteht, so muß die Aussparung 6 die doppelte Länge des Maßes von der Innenfläche des Rahmenschenkels 16 bis zum Rand des Schalelementes aufweisen.In the illustrated embodiment of the invention corresponds the length of the recess 6 twice the thickness of the in it engaging part 16, 17 of the frame 12 on the support 1 formwork elements 30, 33. However, if the edge of the formwork element over the frame leg 16 or 17 stands out, the recess 6 must be twice the length of the dimension from the inner surface of the frame leg 16 to Have edge of the formwork element.

Fig. 5 zeigt einen Querschnitt durch eine andere Ausführungsform eines Trägers. Er weist einen durch eine Wand 40 unterteilten, geschlossenen Rechteckquerschnitt auf. Der untere Rand des Querschnittes und die Enden des Trägers weisen eine spezielle Formgebung auf, die die Verwendung des Trägers in Verbindung mit verschiedenen Stützenköpfen erlauben. An seinem oberen Rand weist der Träger eine glatte Fläche 41 auf, in deren Längsmittelebene eine sich über die ganze Trägerlänge erstreckende Längsnut 42 vorgesehen ist, deren Flanken an ihrem oberen Ende einen geringeren Abstand voneinander aufweisen, als der größte Durchmesser der Nut beträgt. Die obere Wand 43 des Trägers 44 steht über die Seitenwände 45 des Trägers hinaus und weist dort etwa schwalbenschwanzförmige Ausschnitte 46 auf. An diese schließt sich jeweils ein nach unten ragender Fortsatz 47 an, der als Tropfnase ausgebildet sein kann.Fig. 5 shows a cross section through another embodiment of a carrier. It has one through a wall 40 divided, closed rectangular cross-section. The lower Edge of the cross-section and the ends of the carrier point a special shape on the use of the carrier allow in connection with different prop heads. The carrier has a smooth surface 41 at its upper edge on, in the longitudinal median plane of one over the entire length of the beam extending longitudinal groove 42 is provided, the Flanks at their upper end a smaller distance from each other have than the largest diameter of the groove. The top wall 43 of the bracket 44 is above the side walls 45 of the carrier and there has approximately dovetail-shaped Cutouts 46 on. This follows each have a downwardly projecting extension 47, which as Drip nose can be formed.

Auf die obere Fläche 41 des Trägers 44 wird eine in Fig. 6 dargestellte Kunststoffleiste 50 aufgeschoben, so daß deren zentraler, unter dem ebenen Abschnitt 48 nach unten ragender Vorsprung 49 in die Nut 42 eingreift und dort den Abschnitt 48 auf der Fläche 41 festhält. Die Leiste 50 weist an ihren Längsseiten nach unten sich erstreckende Schenkel 51 auf, die bei auf den Träger 44 aufgeschobener Leiste an den Fortsätzen 47 zur Anlage kommen und diese bedecken. Nach innen ragende Vorsprünge 52 greifen nach dem Aufschieben der Leiste 50 in die schwalbenschwanzförmigen Ausschnitte 46 ein und halten dort die Schenkel 51 in dichter Anlage an die Fortsätze 47. An den beiden Rändern des ebenen Leistenabschnittes 48 weist die Leiste 50 je eine Reihe von Vorsprüngen 53 und 54 auf, deren Form und deren Abstand voneinander den Vorsprüngen 3 und 4 gemäß der Ausführungsform nach Fig. 1 und 2 entsprechen.On the upper surface 41 of the carrier 44, one in FIG. 6 shown plastic strip 50 pushed so that their more central, projecting below the flat section 48 Projection 49 engages in the groove 42 and there the section 48 holds on the surface 41. The bar 50 points to their Legs 51 extending downwards on the longitudinal sides, that at the extensions when the bar is pushed onto the carrier 44 47 come to the plant and cover it. Inside protruding projections 52 engage after pushing on the bar 50 into the dovetail cutouts 46 and there hold the legs 51 in close contact with the Extensions 47. On the two edges of the flat strip section 48, the strip 50 each has a series of projections 53 and 54, their shape and their distance from each other the projections 3 and 4 according to the embodiment of FIG. 1 and 2 correspond.

Die Ausführungsform nach Fig. 5 und 6 unterscheidet sich daher von den Ausführungsformen nach den Fig. 1 bis 4 dadurch, daß die Vorsprünge 3 nicht an den Träger 44 aus einer Aluminiumlegierung, sondern an eine Leiste 50 aus einem zähelastischen Kunststoff angeformt sind, die oben auf dem Träger 44 befestigt wird. Beim Aufschieben der Leiste 50 auf den Träger 44 liegt der Leistenabschnitt 48 mehr oder weniger dicht auf der oberen Fläche 41 des Trägers an. Die geringen, nach dem Aufschieben bestehenden Zwischenräume zwischen dem Leistenabschnitt 48 und der Trägerfläche 41 ermöglichen, daß der Abschnitt 48 sich gegen die Trägerfläche 41 in geringem Maße bewegen kann, das genügt, um auf dem Abschnitt 48 leicht haftende Betonteile abspringen zu lassen. Die Schenkel 51 reichen seitlich über den Träger 44 hinaus und schirmen dadurch die Seitenfläche des Trägers von Betonteilen und Zementmilch ab. Dabei bilden die nach unten ragenden Vorsprünge 47 und die Schenkel 51 an ihrem Ende eine Tropfnase, an der Zementmilch abtropft und diese von den Seitenflächen des Trägers 44 abhält. Der Abstand der Reihen der Vorsprünge 53 und 54 entspricht dem Abstand der Reihen der Vorsprünge 3 und 4 bei der Ausführungsform nach Fig. 2 und 4, die Anwendung der Träger 44 entspricht der Anwendung der Träger 1.The embodiment according to FIGS. 5 and 6 therefore differs of the embodiments according to FIGS. 1 to 4, that the projections 3 are not on the carrier 44 made of an aluminum alloy, but on a bar 50 made of a tough elastic Plastic molded on top of the carrier 44 is attached. When pushing the bar 50 onto the Beam 44, the strip section 48 is more or less close to the top surface 41 of the carrier. The minor, after postponing existing gaps between the Ledge section 48 and the support surface 41 allow that the section 48 against the support surface 41 in a small amount Dimensions can move, which is sufficient to on the section 48th to let easily adhering concrete parts come off. The thigh 51 extend laterally beyond the carrier 44 and shield thereby the side surface of the beam of concrete parts and Cement milk. The projections project downwards 47 and the legs 51 have a drip nose at their end, drips on the cement milk and this from the side surfaces the carrier 44 holds. The distance between the rows of protrusions 53 and 54 corresponds to the distance between the rows of projections 3 and 4 in the embodiment of FIGS. 2 and 4, the application the carrier 44 corresponds to the application of the carrier 1.

Besteht ein Träger aus Holz, so kann eine Kunststoffleiste, die gegebenenfalls ebenfalls nach unten reichende Schenkel aufweist, um die Seitenflächen des Trägers zu schützen, auf den Holzträger aufgenagelt werden.If a carrier is made of wood, a plastic strip the leg, which may also extend downwards to protect the side surfaces of the carrier the wooden beams are nailed on.

Die Kunststoffleiste 50 schützt alle Flächen des Trägers, die mit Beton- oder Zementmilch-Spritzern in Berührung kommen könnten, sodaß vor der Wiederverwendung des Trägers lediglich die Oberfläche des zähelastischen Kunststoffes gereinigt werden muß, was sehr viel leichter zu bewerkstelligen ist als das Reinigen einer Metallfläche. Dabei besteht keine Gefahr, daß die Oberfläche des zähelastischen Kunststoffes beschädigt wird.The plastic strip 50 protects all surfaces of the carrier, that come into contact with concrete or cement milk splashes could, so before reusing the carrier only cleaned the surface of the tough elastic plastic must be, which is much easier to do is like cleaning a metal surface. There is no risk that the surface of the tough elastic plastic is damaged.

Die Vorsprünge verhindern ein Verrutschen der Schalelemente auf den Trägern, sodaß die Schalelemente zusammengezogen und dichtgezogen bleiben. Sind die Vorsprünge aus Kunststoff, so können sie elastisch ausgebildet sein. Die durch diese Elastizität verursachte Federwirkung trägt dazu bei, die Elemente dichtzuziehen.The projections prevent the formwork elements from slipping on the supports so that the formwork elements are contracted and stay tight. If the protrusions are made of plastic, so they can be elastic. That through this elasticity spring action causes the elements pull tight.

Ausführungsformen des Trägers weisen eine Länge von 2190 mm, eine Höhe bis zur Oberseite 2 von 164 mm und eine Breite des Rechteckhohlprofils von 60 mm auf. Das Achsmaß der Stützkonstruktion, d. h. von Mitte einer Stütze 20 bis zur Mitte der nächsten Stütze 20, beträgt 2250 mm. Eine andere Ausführungsform des Trägers hat eine Länge von 1440 mm, das Achsmaß beträgt dann 1500 mm. Das Maß von der Mitte einer Aussparung 6 bis zur Mitte der nächsten Aussparung 6 beträgt beispielsweise 125 mm.Embodiments of the carrier have a length of 2190 mm, a height to the top 2 of 164 mm and a width of Rectangular hollow profile of 60 mm. The axis dimension of the support structure, d. H. from the middle of a column 20 to the middle of the next support 20, is 2250 mm. Another embodiment the carrier has a length of 1440 mm, the axis dimension is then 1500 mm. The measure from the center of a recess 6 to the middle of the next recess 6 for example 125 mm.

Bei anderen Ausführungsformen der Erfindung können mehr oder weniger (Metall- oder Holz-) Flächen des Trägers mit einer Schicht aus Kunststoff ummantelt sein, der eine hydrophobe Oberfläche aufweist.In other embodiments of the invention, more or fewer (metal or wooden) areas of the carrier with one Layer of plastic coated, which is a hydrophobic Surface.

Beispielsweise können bei den bekannten Trägern, bei denen die Vorsprünge nicht oben sondern seitlich am Träger angebracht sind, diese Vorsprünge und gegebenenfalls die an diese Vorsprünge angrenzenden Flächen des Trägers mit Kunststoff ummantelt sein, was wiederum durch eine auf dem Träger befestigbare Kunststoffleiste verwirklicht sein kann. Auch hierbei können die Vorsprünge nicht nur mit Kunststoff ummantelt, sondern ganz aus Kunststoff bestehen.For example, in the known carriers, in which the protrusions are not attached to the top but to the side of the carrier are these projections and, if applicable, those on them Protrusions adjacent surfaces of the carrier with plastic be encased, which in turn is supported by a on the carrier attachable plastic strip can be realized. Also the projections can not only be covered with plastic, but are made entirely of plastic.

Claims (12)

  1. Mold for concrete ceiling comprising supports for ceiling mold elements, characterized in that at least the upper surface of the support (1) is provided with a tough elastic plastic layer and that between the plastic layer and the support surface underneath, individual spaces are provided at least in sections which permit a slight movement of the plastic section (48, 51) at a right angle to the support surface.
  2. Mold according to claim 1, characterized in that the plastic layer exhibits projections (53, 54).
  3. Mold according to claim 1 or 2, characterized in that the tough elastic plastic layer consists of a prefabricated strip (50) made from a tough elastic plastic which is attached to at least the upper surface (41) of the support (44).
  4. Mold according to claim 3, characterized in that the plastic strip (50) is attached to the support (44) in a removable fashion.
  5. Mold according to any one of the claims 3 or 4, characterized in that the support (44) exhibits at least one relief (46) on its side walls (45) in which the strip (50) engages.
  6. Mold according to any one of the claims 3 through 5, characterized in that the strip (50) can be slidingly mounted to the support (44) in a longitudinal direction.
  7. Mold according to any one of the claims 1 through 5, characterized in that the support is made from wood and the plastic strip is nailed thereto.
  8. Mold according to any one of the preceding claims, characterized in that drip extensions (57) are formed along the upper edges of the support cross section.
  9. Mold according to claim 3 and any one of the claims 1 through 8, characterized in that the plastic strip (50) also covers a part of the side surfaces of the support in the region of its upper edge.
  10. Mold according to claim 9, characterized in that the plastic strip exhibits drip extensions on the legs (51) which partially cover the side walls of the support.
  11. Mold according to claim 9, characterized in that downwardly projecting legs (51) of the plastic strip (50) cover projections (47) of the support (44) serving as drip extensions.
  12. Mold according to claim 2 and any one of the preceding claims, characterized in that the support surfaces and/or the projections of the support are jacketed in plastic.
EP96104314A 1992-11-06 1993-10-13 Floor-shuttering Expired - Lifetime EP0718453B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4237516A DE4237516A1 (en) 1992-11-06 1992-11-06 Slab formwork beams
DE4237516 1992-11-06
EP93922495A EP0670944B1 (en) 1992-11-06 1993-10-13 Ceiling boarding support

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP93922495.2 Division 1993-10-13
EP93922495A Division EP0670944B1 (en) 1992-11-06 1993-10-13 Ceiling boarding support

Publications (3)

Publication Number Publication Date
EP0718453A2 EP0718453A2 (en) 1996-06-26
EP0718453A3 EP0718453A3 (en) 1996-10-16
EP0718453B1 true EP0718453B1 (en) 2001-02-28

Family

ID=6472277

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96104314A Expired - Lifetime EP0718453B1 (en) 1992-11-06 1993-10-13 Floor-shuttering
EP93922495A Expired - Lifetime EP0670944B1 (en) 1992-11-06 1993-10-13 Ceiling boarding support

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP93922495A Expired - Lifetime EP0670944B1 (en) 1992-11-06 1993-10-13 Ceiling boarding support

Country Status (6)

Country Link
US (1) US5683609A (en)
EP (2) EP0718453B1 (en)
JP (1) JP3242661B2 (en)
DE (3) DE4237516A1 (en)
ES (2) ES2156964T3 (en)
WO (1) WO1994011594A1 (en)

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Also Published As

Publication number Publication date
EP0670944A1 (en) 1995-09-13
WO1994011594A1 (en) 1994-05-26
JP3242661B2 (en) 2001-12-25
DE59304923D1 (en) 1997-02-06
US5683609A (en) 1997-11-04
ES2098062T3 (en) 1997-04-16
ES2156964T3 (en) 2001-08-01
EP0718453A3 (en) 1996-10-16
DE59310149D1 (en) 2001-04-05
EP0670944B1 (en) 1996-12-27
JPH08503036A (en) 1996-04-02
DE4237516A1 (en) 1994-05-11
EP0718453A2 (en) 1996-06-26

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