CH712329A2 - Ceiling edge formwork element and ceiling edge formwork system. - Google Patents

Abstract

The invention relates to a Deckenrandschalelement (1) with an elongated formwork panel (2), which consists at least partially of lightweight construction material. At least one profile (31, 32) is attached to an inner plate surface (21) of the shuttering panel (2) in the longitudinal direction. The at least one profile (31, 32) has a plurality of connections (51, 52) which are each designed for attaching a fastening means for fastening the ceiling edge formwork element (1) to a slab formwork. A plurality of connecting elements (41, 42) penetrate at least partially the at least one profile (31, 32) and the shuttering panel (2) such that a positive connection between the at least one profile (31, 32) and the shuttering panel (2) is created.

Description

Description TECHNICAL AREA

The invention relates to a Deckenrandschalelement with an elongated formwork panel which consists at least partially of lightweight construction material, wherein at least one profile is attached to an inner of the two plate surfaces of the formwork panel in the longitudinal direction, which has a plurality of terminals, which are each designed for attaching a fastening means for fastening the ceiling edge formwork element to a slab formwork. The invention further relates to a Deckenrandschalelementsystem with several inventive ceiling edge formwork elements and a plurality of fastening means.

STATE OF THE ART

In the production of cast concrete floors ceiling scarf elements are often used for shuttering on the front pages, which must not be removed after the setting of the concrete - so-called lost formwork.

From EP 1 327 732 a Deckenrandschalelement is known in which a made of a foamed lightweight construction panel is provided with a reinforcing plate. The reinforcement panel extends over the entire surface of the panel and is intended to prevent flexing or breaking of the lightweight panel during concreting of the concrete floor. The reinforcing plate is either partially enclosed by the foamed lightweight construction panel or glued to it. To foaming the reinforcing plate, you need a special tool for the production. In order to obtain a good bond between the lightweight panel and the reinforcing plate, the surfaces must be cleaned and possibly roughened. In addition, a special adhesive with high adhesion is necessary. Both production methods are complicated and expensive. The Deckenrandschalelement is also relatively heavy.

The CH 701 048 describes a ceiling edge formwork element with an elongated, partially made of lightweight construction material formwork panel. At least one profile is attached to the shuttering panel in the longitudinal direction, to which attachment means can be attached, which can be guided by aligned slot-like openings of the at least one profile. The shuttering panel comprises a first layer of the lightweight construction material and a second layer of a casting material, which is poured onto the first layer. The profile is partially cast in the casting material. For the curing of the casting material a corresponding intermediate storage is required. The ceiling edge formwork element is relatively heavy. Easily installable shuttering on front sides of concrete floors is not always guaranteed, especially due to the insertion of the fasteners in sometimes not exactly aligned slot-like openings.

PRESENTATION OF THE INVENTION

The object of the invention is to avoid at least certain disadvantages of the prior art. The object of the invention is in particular to provide a cost-effective and easy to produce Deckenrandschalelement, which in particular has a high stability and in particular allows easy attachable shuttering on front sides of concrete ceilings.

This object is achieved in a ceiling edge formwork element of the type mentioned in that a plurality of connecting elements at least partially penetrate the profile and the shuttering panel such that a positive connection between the at least one profile and the formwork panel is created.

Such Deckenrandschalelement is inexpensive and easy to manufacture by the at least one profile is applied to the formwork panel and with a plurality of connecting elements which penetrate the profile and the formwork panel, a positive connection between the at least one profile and the formwork panel is created. In particular, such a ceiling edge formwork element has a high stability due to the inherent stability of the at least one profile. In particular, since the connections can be made freely, since they do not have to be designed, for example, in order to take into account a measuring method, an easily attachable shuttering on front sides of concrete ceilings is made possible.

In one embodiment, the Deckenrandschalelement is characterized in that the at least one connecting element comprises one or more of the following embodiments: rivet, screw, screw and nut, bolts, bolts with adhesive, self-drilling, riveted by the outer plate surface Edelstahlniet by blowing open attached connecting element. Such fasteners are inexpensive, stable and have a low weight.

In one embodiment, the Deckenrandschalelement is characterized in that the at least one connecting element has a stopper head, which thus preferably on an outer plate surface of the formwork panel, a stop is formed.

In one embodiment, the Deckenrandschalelement is characterized in that the at least one connecting element has a deformed in the width of the stop end, whereby preferably at least one profile, a stop is formed.

In one embodiment, the Deckenrandschalelement is characterized in that the at least one connecting element is formed as a rivet, which has one or more of the following features: solid rivets, Halbholniet, hollow rivets, Schliessringniet, blind rivet, punch rivet, punch rivet with rivet, punch rivet with Halbhohlniet , The connecting element can be chosen such that the stability, the weight, the cost and / or the production are optimized.

In one embodiment, the Deckenrandschalelement is characterized in that the at least one profile has the shape of a Z-profile, wherein one leg of the Z-profile is positively connected to the formwork panel and the other leg of the Z-profile for forming the plurality Having connections more recesses. This results in ease of manufacture, high stability, low cost and low weight.

In one embodiment, the ceiling edge formwork element is characterized in that the formwork panel has a thickness between 5 mm and 50 mm, preferably between 8 mm and 15 mm. This results in a low weight with high stability.

In one embodiment, the Deckenrandschalelement is characterized in that the at least one connecting element is formed such that one or the outer plate surface of the shuttering element is at least partially free of a projection of the plurality of connecting elements, in particular due to retraction of the connecting elements in the shuttering panel when attaching the fasteners. This offers advantages for subsequent building steps, such as the plastering or applying an insulation.

In one embodiment, the ceiling edge formwork element is characterized in that the formwork element comprises a foamed, heat-insulating material. A heat-insulating function can be provided and / or supported.

In addition to a Deckenrandschalelement the invention relates to a Deckenrandschalelementsystem comprising a plurality of inventive ceiling edge formwork elements and a plurality of fastening means for fastening the Deckenrandschalelemente to a slab formwork. The system enables rapid and cost-effective shuttering.

In one embodiment, the Deckenrandschalelementsystem is characterized in that the plurality of fastening means are formed by mounting brackets, which mounting brackets are attachable to the terminals of the at least one profile of the plurality of ceiling edge formwork elements, and which mounting bracket can be connected to the slab formwork. This results in a low cost system.

In one embodiment, the Deckenrandschalelementsystem is characterized in that the fastening means comprise a holder for posts of a safety railing. There is no separate device for the construction of a safety railing required.

In one embodiment, the Deckenrandschalelementsystem further comprises connecting pieces, which are designed to connect Deckenrandschalelemente together. Stability is improved.

In one embodiment, the Deckenrandschalelementsystem is characterized in that the connecting pieces are designed as longitudinal connectors to connect longitudinally abutting ceiling edge formwork elements together. The stability for longitudinally abutting ceiling edge formwork elements is improved.

In one embodiment, the Deckenrandschalelementsystem is characterized in that the connecting pieces are formed as Eckverbindungsstücke to connect at an angle of substantially 90 ° abutting ceiling edge formwork elements together. The stability for at an angle of substantially 90 ° abutting ceiling edge formwork elements is improved.

BRIEF DESCRIPTION OF THE DRAWINGS

On the basis of figures, which represent only embodiments, the invention will be explained below. Show it:

Fig. 1 shows schematically a view and a section of an embodiment of a ceiling edge formwork element according to the invention;

FIG. 2 shows schematically an embodiment of a ceiling edge formwork element according to the invention, which is fastened to a ceiling formwork with fastening means; FIG.

Fig. 3 shows schematically an embodiment of a fastening means for fastening a ceiling edge formwork element according to the invention on a slab formwork;

Fig. 4 shows schematically an embodiment of two longitudinally abutting ceiling edge formwork elements, which are interconnected by longitudinal connectors;

Fig. 5 shows schematically an embodiment of two at a angle of substantially 90 ° abeinanderstos-send ceiling edge formwork elements which are interconnected by corner joints; and

Fig. 6 shows schematically an embodiment with inventive ceiling edge formwork elements, which are mounted with fastening means on a slab formwork, wherein on the fastening means a railing is placed.

WAY (E) FOR CARRYING OUT THE INVENTION

Fig. 1 shows schematically an embodiment of a Deckenrandschalelements 1. In Fig. 1, the Deckenrandschalelement 1 is shown as a view (left) and as a section A-A (right).

The slab edge formwork element 1 comprises an elongated formwork slab 2. The elongate formwork slab is rectangular and has dimensions of, for example 2 m to 4 m in length, in particular 2.6 m in length, of e.g. 20 cm to 50 cm in height and from e.g. 5 mm to 50 mm thickness.

The formwork panel 2 is at least partially made of a lightweight construction material. In a variant, the shuttering panel 2 is made of a foamed, heat-insulating material. The formwork panel 2 can exert a heat-insulating function.

The shuttering panel 2 has an inner plate surface 21 and an outer plate surface 22. The inner plate surface 21 is facing the concrete floor to be poured and the outer plate surface 22 is facing away from the concrete surface to be cast.

As can be seen from Fig. 1, two profiles 31,32 are attached to the formwork panel 2, in particular an upper profile 31 and a lower profile 32. It can also be mounted a different number of profiles.

As shown schematically in Fig. 1, the profiles 31,32 are formed as Z-profiles. One leg of the Z-profile is resting on the shuttering panel 2. The other leg of the Z-profile is spaced from the formwork panel 2, wherein between this leg of the Z-profile and the formwork panel 2, a U-shaped groove is formed.

The profiles 31,32 is made in a variant of a metal such as a metal sheet.

The resting on the formwork panel 2 leg of the Z-profile is positively connected to the formwork panel 2, wherein connecting elements 41, 42, which penetrate the said legs of the Z-profile and the formwork panel 2, produce the positive connection.

In a variant, the connecting elements 41,42 are formed as stainless steel rivets, which are riveted from the outside, with each of the rivet moves into the shuttering panel 2, so that no supernatant or would have to be lowered. It is also conceivable to form the connecting elements 41, 42 with screws, bolt-on or self-drilling screws.

For trained as a stainless steel rivet fasteners 41,42 each of the head of the rivet can be located on the outer plate side 22 of the formwork panel 2 and the deformed part of the rivet can be located on the resting on the formwork panel 2 leg of the Z-profile, i. at the inner plate side 21 of the formwork plate. 2

As shown schematically in Fig. 1, the Z-profiles have connections 51,52, to which fastening means 61,62 (not shown in Fig. 1) are attachable to the ceiling edge formwork element 1 on a slab formwork 7 (in FIG 1 not shown). As can be seen from FIG. 1, the connections 51, 52 are formed as recesses in the leg of the Z-profile which is at a distance from the shuttering panel 2. The recesses are preferably provided at regular intervals from each other, but may also be provided at irregular intervals from each other.

The ceiling edge formwork element 1 is produced by a Z-profile is placed on the formwork panel 2, wherein a positive connection between the Z-profile and the formwork panel 2 is made by a plurality of rivets. This is done for the lower profile 31 and the upper profile 32nd

Due to the inherent stability of the Z-profile and the positive connection between the Z-profile and the shuttering panel 2 results in a high stability of the ceiling edge formwork element. 1

The weight of the Deckenrandschalelements 1 can be kept low because the formwork panel 2 comprises a lightweight construction material and therefore has a low weight. Furthermore, the profiles 31, 32 and connecting means 41, 42 also have a low weight.

For transport several Deckenrandschalelemente 1 can be stacked one above the other, wherein the outer plate surface 22 of an overlying formwork panel 2 is placed on the spaced from the formwork panel 2 legs of the Z-profile of the underlying formwork panel 2. Especially with two attached Z-profiles a stable stacking is guaranteed. In a variant, a plurality of ceiling edge formwork elements 1 can be stacked on top of each other, wherein pairs are formed in which the Z profiles of an underlying Deckenrandschalelements 1 and an overlying Deckenrandschalelements 1 face each other, wherein between a corresponding spacer can be provided.

Fig. 2 shows schematically a ceiling edge formwork element 1, which is fastened with fastening means 61, 62 on a slab formwork 7. The fastening means 61, 62 are designed as angle connectors which have a horizontal leg and a vertical leg.

The horizontal leg rests on the slab formwork 7 and is connected to the slab formwork 7. In a variant, the horizontal leg on guide holes through which nails can be performed to nail the horizontal leg on the slab formwork 7.

The vertical leg is adapted to be attached to the terminals 51, 52 of the profiles 31, 32, so that the vertical leg is connected to the profiles 31, 32.

As shown schematically in Fig. 2, a plurality of fastening means 61,62 are provided. In a variant, the fastening means 61, 62 are attached at regular intervals from one another. The distance can be between 80 cm and 150 cm. The distance may be adapted to the height of the ceiling edge formwork element 1 and for example be greater for Deckenrandschalelemente 1 with a smaller height and be smaller for Deckenrandschalelemente 1 with a greater height. A possible classification is given in the following table: Height H / cm Length / cm Thickness / mm Weight kg / m Angle per element 20 260 10 4.1 3 22 260 10 4.3 3 24 260 10 4.6 3 25 260 10 4.7 3 28 260 10 5.1 3 30 260 10 5.4 4 32 260 10 5.7 4 35 260 10 6.00 4 Fig. 3 shows schematically a fastening means 61. The fastening means 61 is configured as an angle connector and has a horizontal leg 611 and a vertical leg 612. In one variant, the angle connector is made of a plastic.

The horizontal leg 611 is designed to be mounted on a slab formwork 7 (not shown in FIG. 3). The horizontal leg 611 has on the lower side a plurality of cams to allow a stable support on the slab formwork 7 (not shown in Fig. 3). The horizontal leg 611 has braces to ensure high stability. The horizontal leg 611 has a plurality of vertical guide holes, through which nails can be guided to nail the horizontal leg 611 on a slab formwork 7 (not shown in Fig. 3).

The vertical leg 612 is formed to be attached to the terminals 51, 52 of the profiles 31, 32 (not shown in Fig. 3). The vertical leg 612 is designed substantially as a square tube. At the terminals 51, 52 (not shown in Fig. 3) side facing the vertical leg 612 a plurality of connecting cams are provided. The connection cams are designed to engage behind the profiles 31, 32 at the connections 51, 52 (not shown in FIG. 3). The connection cams are formed asymmetrically with respect to a vertical symmetry line such that a connection cam cooperates on one side, for example, with the lower profile 31 and a connection cam on the other side interacts with the upper profile 32, for example. The arrangement of the connection cams is designed such that the angle connector can be attached to different ceiling edge formwork elements 1, which according to a standardization at different heights have a different number of profiles 31,32. Certain connection cams cooperate with the profiles 31, 32 and the shuttering panel 2, while other connection cams serve only for support on the shuttering panel 2. The connection cams and the connections 51, 52 may be configured such that the attachment means 61 can be clicked in at a connection 51.

As shown schematically in Fig. 3, an auxiliary device 613 is attached to the vertical leg 612. The auxiliary device 613 is designed to position the vertical leg 612 with respect to the shuttering panel 2 at a predetermined distance.

As shown schematically in Fig. 3, a support 614 is formed for posts on the vertical leg 612, with which posts and crossbars a securing railing can be formed (not shown in Fig. 3).

Claims (15)

Fig. 4 shows schematically two adjacent longitudinally abutting ceiling edge formwork elements 11, 12 which are mounted on a slab formwork 7. In the Z-profiles are longitudinal connectors 81,82 used to connect the Deckenrandschalelemente 11, 12. The longitudinal connectors 81, 82 may in particular have a U-profile or an F-profile. In one variant, the longitudinal connectors 81,82 and the Z-profiles are positively connected to each other. Fig. 5 shows schematically two at an angle of substantially 90 ° abutting ceiling edge formwork elements 11, 12 which are mounted on a slab formwork 7. Corner connectors 83, 84 are used in the Z-profiles for connecting the ceiling edge formwork elements 11, 12. The corner connectors 83, 84 may in particular have U-profiles or F-profiles, which are welded together at an angle of substantially 90 °. In one variant, the Eckverbindungsstücke 83, 84 and the Z-profiles are positively connected to each other. Fig. 6 shows schematically several Deckenrandschalelemente 11, 12, which are fastened with fastening means (in Fig. 6 only partially visible and therefore without reference numerals) to a slab formwork 7. In the holder 614 shown in Fig. 3 of the fasteners posts 91 are used. Between the post 91 transverse slats 92 are attached. The posts 91 and crossbars 92 form a securing railing 9. REFERENCE SIGNS 1 ceiling edge formwork element 11,12 ceiling edge formwork elements 2 formwork plate 31,32 profiles 31 lower profile 32 upper profile 41,42 connection elements 51,52 connections 61,62 attachment means 611 horizontal leg 612 vertical leg 613 auxiliary device 614 support for posts 7 slab formwork 8 connecting piece 81,82 longitudinal joints 83,84 corner pieces Patent claims 1. Deckenrandschalelement (1) with an elongated formwork panel (2) which consists at least partially of lightweight construction material, wherein on an inner plate surface (21) of the formwork panel (2) in the longitudinal direction at least one profile (31, 32) is mounted, wherein the at least one Profile (31,32) has a plurality of terminals (51,52), which are each formed for attaching a fastening means for fastening the Deckenrandschalelements (1) on a slab formwork, characterized in that a plurality of connecting elements (41,42) the at least one profile ( 31, 32) and the shuttering panel (2) at least partially penetrate such that a positive connection between the at least one profile (31,32) and the formwork panel (2) is created. 2. Deckenrandschalelement (1) according to claim 1, characterized in that the at least one connecting element (41, 42) comprises one or more of the following embodiments: rivet, screw, screw and nut, bolts, bolts with adhesive, self-drilling screws, from the outer plate surface riveted stainless steel rivet, fastener mounted by bolting on. 3. Deckenrandschalelement (1) according to claim 1 or 2, characterized in that the at least one connecting element (41,42) has a stopper head, which thus preferably on an outer plate surface (22) of the shuttering plate (2), a stop is formed. 4. Deckenrandschalelement (1) according to one of claims 1 to 3, characterized in that the at least one connecting element (41, 42) has a deformed in the width of the stop end, whereby preferably at least one profile (31,32) formed a stop is. 5. Deckenrandschalelement (1) according to one of claims 1 to 4, characterized in that the at least one connecting element (41,42) is designed as a rivet, which has one or more of the following features: solid rivets, Halbholniet, hollow rivets, Schliessringniet, blind rivet , Punch rivet, punch rivet with rivet, punch rivet with semi-tubular rivet. 6. Deckenrandschalelement (1) according to one of claims 1 to 5, characterized in that the at least one profile (31, 32) has the shape of a Z-profile, wherein one leg of the Z-profile with the formwork panel (2) positively connected and the other leg of the Z-profile for forming the plurality of terminals (51, 52) has a plurality of recesses. 7. Deckenrandschalelement (1) according to one of claims 1 to 6, characterized in that the shuttering panel (2) has a thickness between 1 cm and 30 cm, preferably between 5 cm and 10 cm. 8. Deckenrandschalelement (1) according to one of claims 1 to 7, characterized in that the at least one connecting element (41,42) is designed such that one or the outer plate surface (22) of the formwork element (2) is at least partially free from a projection of the plurality of connecting elements (41, 42), in particular due to a retraction of the connecting elements (41, 42) in the shuttering plate (2) when attaching the connecting elements (41,42). 9. ceiling edge formwork element (1) according to one of claims 1 to 8, characterized in that the formwork element comprises a foamed, heat-insulating material. 10. Deckenrandschalelementsystem comprising a plurality Deckenrandschalelemente (1) according to one of claims 1 to 10 and a plurality of fastening means (61,62) for fastening the Deckenrandschalelemente (1) on a slab formwork (7). 11. Deckenrandschalelementsystem according to claim 10, characterized in that the plurality of fastening means (61.62) are formed by mounting brackets, which mounting bracket at the terminals (51,52) of the at least one profile (31, 32) of the plurality of ceiling edge formwork elements (1) are attachable, and which mounting bracket with the slab formwork (7) are connectable. 12. Deckenrandschalelementsystem according to claim 10 or 11, characterized in that the fastening means (61.62) have a holder (614) for posts of a safety railing. 13. Deckenrandschalelementsystem according to any one of claims 10 to 12, further comprising connecting pieces (8) which are designed to connect Deckenrandschalelemente (1) with each other. 14. Deckenrandschalelementsystem according to one of claims 10 to 13, characterized in that the connecting pieces (8) as longitudinal connecting pieces (81, 82) are formed to connect longitudinally abutting ceiling edge formwork elements (1) with each other. 15. Deckenrandschalelementsystem according to one of claims 10 to 14, characterized in that the connecting pieces (8) as Eckverbindungsstücke (83, 84) are formed to connect at an angle of substantially 90 ° abutting ceiling edge formwork elements (1) with each other.