EP3599323B1 - Bearing head comprising a clamping device and corresponding ceiling formwork system - Google Patents
Bearing head comprising a clamping device and corresponding ceiling formwork system Download PDFInfo
- Publication number
- EP3599323B1 EP3599323B1 EP19186500.5A EP19186500A EP3599323B1 EP 3599323 B1 EP3599323 B1 EP 3599323B1 EP 19186500 A EP19186500 A EP 19186500A EP 3599323 B1 EP3599323 B1 EP 3599323B1
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- EP
- European Patent Office
- Prior art keywords
- cross
- anchoring
- formwork panel
- formwork
- latching
- Prior art date
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Links
- 238000009415 formwork Methods 0.000 title claims description 109
- 238000004873 anchoring Methods 0.000 claims description 27
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009416 shuttering Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- E04G11/38—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
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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
-
- 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
- E04G11/483—Supporting heads
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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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
- E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
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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
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G2009/028—Forming boards or similar elements with reinforcing ribs on the underside
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G2025/003—Supports therefor, e.g. tripods
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G2025/006—Heads therefor, e.g. pivotable
Definitions
- the invention relates to a bearing head, as is used on a vertical support for supporting a ceiling formwork panel for concreting purposes.
- the invention also relates to a ceiling formwork system made up of a ceiling formwork panel, a bearing head and a vertical support with a bracing element in combination.
- Slab formwork systems are generally used in the construction of concrete slabs for buildings to create a receiving area for the flow concrete. After curing, this should form the desired ceiling structure.
- ceiling formwork systems with formwork elements or panels mounted on vertical supports, it is problematic that horizontally directed forces can act on the vertical supports or the formwork elements, which can lead to the entire ceiling formwork system tilting and, in the worst case, even tipping over.
- the concrete joist slab support assembly includes first and second slidable joists and first and second slab support frames.
- the sliding crossbars adjust the width according to the size of the panels as they slide into each other.
- the first and second panel support frames connect adjacent panels and support the first and second cross members.
- the panel support frames include support panels and fasteners.
- the support plate has support flanges, recesses and pin holes. The support flanges hold the plate. Support brackets touch the support plate when the sliding crossbars are inserted into the recesses of the support plates. From the KR 2012 0064657 A a slab formwork system is known in which vertical supports derive the load resulting from concreting a slab completely vertically.
- a traverse is also used, which can be screwed to opposite sides of a surrounding panel frame for a ceiling formwork panel.
- a mounting head sits on this traverse, to which a pull rod can be latched in order to be able to lower the ceiling formwork panel on the pull rod when stripping the formwork.
- the object of the present invention is to improve a ceiling formwork system in order to be able to apply the greatest possible forces to a panel for dissipating horizontal loads with as little structural effort as possible.
- the core idea of the invention is to collect horizontally occurring loads and divert them collectively.
- the object is achieved in a ceiling formwork system according to claim 1 and a bearing head according to claim 9.
- Advantageous embodiments emerge from the dependent claims.
- a bearing head is designed with the invention, as can be used for a vertical support for supporting a ceiling formwork panel, but which, compared to the prior art, has a bracing traverse that is aligned transversely to the vertical support when mounted.
- the length of the bracing traverse corresponds to at least one side length of the ceiling formwork panel to be supported.
- the guying traverse can act with its respective ends on both side edges of the ceiling formwork panel, whereby the guying traverse acts simultaneously at two spaced points in order to support and brace the ceiling formwork panel.
- the ceiling formwork system thus comprises at least one formwork panel, with at least one vertical support supporting the formwork panel, and with a bearing head described above and means for fixing the bracing element which are provided on the bearing head or sit on the bracing cross member.
- the formwork panel has respective snap-in receptacles, so that when the bracing traverse is accommodated in the formwork panel, a tensile stress can be applied to the formwork panel by means of the bracing element via the traverse, in order to derive the load in the formwork plane at least partially horizontally.
- the length of the bracing traverse of the bearing head is adapted to a side length of the formwork panel with regard to its length or its width.
- the bracing traverse is accommodated in the center of the bearing head, wherein according to an advantageous embodiment the bracing element in the form of a chain or a belt, etc. acts equally centrally on the bracing traverse, so that the bearing head has the means for fixing the bracing element.
- the bearing head can then be fixed via a flange on the vertical support and is carried by it.
- the bearing head can have an alignment element in the form of a bolt which can protrude into a hollow end of the vertical support for alignment.
- the formwork panel according to the bearing head according to the invention and in an advantageous embodiment of the ceiling formwork system according to the invention has a peripheral frame in which snap-in receptacles are provided as openings on opposite sides for receiving the ends of the traverse.
- the opening mentioned is a snap-in receptacle in the form of an elongated hole, so that the bracing traverse is first inserted from below the formwork panel into a locking opening, then the guying traverse can be angled in a plane parallel to the formwork panel in order to introduce the second end of the guying traverse into the second locking receptacle opening.
- the bracing traverse is braced, it is then brought into a stop position in the snap-in openings.
- the guying traverse according to the bearing head according to the invention and in an advantageous embodiment of the ceiling formwork system according to the invention has two locking brackets projecting at right angles to the longitudinal axis of the traverse.
- these are both provided at the same end of the guy beam at a distance from one another, so that a frame section of the formwork panel can be accommodated between them, with the shape and size of the external locking bracket being selected such that that it can only be passed through it in a specific position relative to the snap-in receptacle, which is complementary in shape and size.
- the second locking bracket which strikes the inside of the frame section of the frame of the formwork panel, forms an inhibition of the translational displacement of the guying cross member along its longitudinal axis in the opposite direction.
- the second, internal locking clip can be of any shape and size, since it does not have to be passed through the locking receptacle opening anyway.
- the latching brackets are of identical design, being offset transversely to the longitudinal axis of the bracing cross member on the outer circumference thereof.
- the bracing traverse can be pushed through one and the same latching receptacle opening with both latching brackets, given a suitable rotation about its longitudinal axis. This can facilitate insertion of the opposite end of the guy beam into the complementary snap-in opening. This applies all the more, the greater the length of the bracing traverse is relative to the relevant side length of the formwork panel.
- the bearing head can be fixed to the vertical support by means of a flange.
- the ceiling formwork system has a turnbuckle on the bracing element in order to build up and set a tensile stress through the bracing element between the anchoring point and the bearing head.
- a formwork panel of the above type is configured in such a way that it can be coupled to other formwork panels via their end faces, it is possible to brace a plurality of formwork panels with a single bearing head and a bracing traverse connected thereto, so that the A bracing force applied via a bracing element of an individual formwork panel can be transferred to the formwork panels present in the direction of the force.
- - 1 a perspective view of the bearing head according to the invention
- - 2 a front view and top view of the bearing head 1
- - 3 a respective perspective view from above and from below of the ceiling formwork system according to the invention
- - 4 Details of the slab formwork system 3
- - figure 5 Phases of mounting the bearing head on the formwork panel.
- FIG. 1 shows the bearing head 14 according to the invention in a perspective view. It has a bracing traverse 16, the length of which roughly corresponds to the length of a side of a formwork panel 10, ie protrudes somewhat beyond it, in order to attach the ends of the bracing traverse to a frame 22 (see 4 ) of the panel to be fixed securely. Usually it is a peripheral frame of the panel.
- the bracing traverse consists of a round tube which, for reasons of stability, is accommodated in a rectangular tube and fixed to it is connected, for example by welding.
- the bracing traverse can also consist of a single rectangular tube frame or alternatively of a round tube, or that a round tube can be fixed, e.g. welded, to both sides of a central rectangular tube .
- An element of the bearing head protrudes downwards transversely to the bracing traverse 16, namely a fastening support with which the bearing head 14 is mounted on a vertical support 12 (see Figures 3 and 4 ) can be placed and fixed via a flange 32.
- the bracing traverse 16 can easily be rotated manually about its longitudinal axis (see details in the description of figure 5 ).
- the alignment element 28 that can be seen below the flange serves to facilitate fixing of the bearing head in a hollow section of the vertical support.
- bracing traverse 16 Also located on the bracing traverse 16 are means 20 for bracing the bearing head, which are also referred to, inter alia, as a bracing eye. These means, ie the guy eye, show two plate elements aligned parallel to one another and seated on the square tube frame, which are connected by a bolt.
- the bracing element 18 (see, for example, 3 or 4 ) to be mounted.
- the means 20, or rather the parallel plate elements can be rotated about the longitudinal axis of the guying traverse relative to the latter, so that any angle of the guying element 18 relative to the guying traverse can be assumed after it has been fixed to the bolt without the means 20 applying a torque to the square tube frame raise.
- Two locking brackets 26 can be seen at one end of the bracing traverse 16, each of which has a stop in cooperation with the frame of the shuttering panel 10 (see, for example, 3 ) form in order to inhibit a translatory displacement of the bracing traverse 16 following assembly on the formwork panel (see details in the description of figures 4 and 5 ).
- the bearing head 1 each in a front view and a plan view with the respective section AA.
- the fastening support protrudes downwards at a right angle from the bracing traverse 16 , with the alignment element 28 protruding below the flange 32 .
- the locking brackets 26 shown in the sectional view AA of the front view are shown in dashed lines because they lie in front of the sectional plane.
- FIG. 3 shows the ceiling formwork system according to the invention from formwork panel 10 - to be more precise three formwork panels 10 are shown - a central formwork panel supporting vertical support 12 and a bearing head 14 with bracing traverse 16 in a mounted state in the middle formwork panel.
- the anchoring element 18 can also be seen in the form of an anchoring chain. The latter is anchored to the ground by means of a fixing anchor (the ground is not shown in the drawing), and at the other end the anchoring chain is hung on the bolt of the anchoring means 20 .
- a turnbuckle 30 is used to tension the guy chain 18 , with which the length of the guy chain can be varied, so that a guying force in the form of tensile stress can be applied to the bearing head 14 with guying traverse 16 .
- a respective ceiling formwork element has a total of eight locking receptacles 24, ie two locking receptacles on each side length of the formwork panel. This allows a bracing traverse to each of the mount the short sides across the width of the shuttering panel, and a longer bracing traverse on the long sides of the panel.
- each formwork panel can be braced in its width and/or in its longitudinal direction.
- Said snap-in openings 24 are provided in the frame 22 of the formwork panel, which frame runs along the peripheral edge of the formwork panel. In 3 a bracing traverse is braced across the width of the middle formwork panel.
- the bearing head 14 with the bracing traverse 16 is completely accommodated on the frame 22 of the formwork panel 10 and fixed by means of the locking brackets 26 in such a way that translational displacement of the bracing traverse 16 along its longitudinal axis in the surrounding frame 22 is inhibited.
- the respective locking receptacle 24 is formed by a triangular slot opening. This facilitates the introduction of the bracing traverse 16 at the respective end.
- the bracing traverse can be pivoted in a plane parallel to the formwork plane of the panel, with the dimensioning of the locking receiving opening 24 allowing the bracing traverse 16 to be easily pushed in from within the frame 22 as before.
- Detail A clearly shows the stop of the outer locking clip 26 on the outer surface of the frame 22 of the shuttering panel 10.
- phase 5 the phases 1-6 of an assembly of the bearing head with bracing traverse on the frame of a formwork panel are now shown.
- the bearing head 14 is first tilted in order to align the outer snap-in clip about the longitudinal axis of the bracing cross member 16 in such a way that the outer snap-in clip 26 can be pushed through the relevant snap-in receiving opening 24 from the inside of the frame 22 (see also phases 2 and 3).
- the bearing head 14 is then pivoted back down again, as a result of which the outer latching bracket 26 is also rotated in such a way that it can no longer be pushed back through the latching receptacle opening 24 .
- the other, ie the inner locking clip forms a stop on the inside of the frame surface so that the bracing traverse 16 can no longer be displaced in a translatory manner along its longitudinal axis in the locking receiving opening 24 .
- the bracing element 18 in the form of a bracing chain can then be hung on the means for bracing and a vertical support can be mounted on the bearing head via the flange connection 32 .
- the guy chain can then be fixed and guyed there by means of a ground anchor, with the result that horizontal loads are transferred to the existing structure when the ceiling formwork panel is guyed.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
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Description
Die Erfindung betrifft einen Lagerkopf, wie er auf einer Vertikalstütze zum Abstützen eines Deckenschalungspaneels zu Betonierzwecken zum Einsatz kommt. Die Erfindung betrifft auch ein Deckenschalungssystem aus Deckenschalungspaneel, Lagerkopf und Vertikalstütze mit Abspannelement im Verbund.The invention relates to a bearing head, as is used on a vertical support for supporting a ceiling formwork panel for concreting purposes. The invention also relates to a ceiling formwork system made up of a ceiling formwork panel, a bearing head and a vertical support with a bracing element in combination.
Deckenschalungssysteme werden im Allgemeinen bei der Errichtung von Betondecken für Gebäude eingesetzt, mit denen ein Aufnahmebereich für den Fließbeton geschaffen wird. Dieser soll nach einem Aushärten die jeweils gewünschte Deckenstruktur bilden. Nun ist es bei Deckenschalungssystemen mit auf Vertikalstützen gelagerten Schalungselementen oder -paneelen problematisch, dass auf die Vertikalstützen oder die Schalungselemente horizontal gerichtete Kräfte wirken können, was zu einer Schiefstellung des gesamten Deckenschalungssystems und im ungünstigsten Fall gar zum Umkippen desselben führen kann.Slab formwork systems are generally used in the construction of concrete slabs for buildings to create a receiving area for the flow concrete. After curing, this should form the desired ceiling structure. With ceiling formwork systems with formwork elements or panels mounted on vertical supports, it is problematic that horizontally directed forces can act on the vertical supports or the formwork elements, which can lead to the entire ceiling formwork system tilting and, in the worst case, even tipping over.
Um dieser Problematik entgegenzuwirken, ist es bekannt, Spannverbindungen für die Deckenschalung zwischen dem Deckenschalungspaneel und dem bestehenden Bauwerk vorzusehen. In der Regel werden diese horizontalen Lasten in Schalungsebene über schräg verlaufende Zugglieder abgeleitet, die beispielsweise am Boden verankert werden. An ihrem gegenüberliegenden Ende sind sie an der Vertikalstütze, bzw. dem Lagerkopf fixiert, auf der das Deckenschalungspaneel abgestützt ist. Ein Abspannsystem für Deckenschalungspaneele nach diesem Vorbild ist beispielsweise anhand der
Durch diese Konstruktion ergibt sich aber auch zwangsläufig eine punktuelle Belastung am Schalungspaneel, nämlich dort wo die Vertikalstütze am Paneel angreift, welche Beanspruchung bei der Bemessung der Schalung berücksichtigt werden muss. Auch lassen die bisher bekannten Abspannmöglichkeiten nur relativ kleine Kräfte zu.However, this construction also inevitably results in a point load on the formwork panel, namely where the vertical support acts on the panel, which load is taken into account when designing the formwork must become. The hitherto known guying options also allow only relatively small forces.
Die Aufgabe der vorliegenden Erfindung liegt nun darin, ein Deckenschalungssystem zu verbessern, um mit möglichst geringem baulichen Aufwand möglichst große Kräfte auf ein Paneel zum Abtragen von Horizontallasten aufbringen zu können.The object of the present invention is to improve a ceiling formwork system in order to be able to apply the greatest possible forces to a panel for dissipating horizontal loads with as little structural effort as possible.
Der Kerngedanke der Erfindung liegt darin, horizontal auftretende Lasten zu sammeln und gesammelt abzuleiten. Gelöst wird die Aufgabe in einem Deckenschalungssystem gemäß Anspruch 1 und einem Lagerkopf gemäß Anspruch 9. Vorteilhafte Ausführungsformen gehen aus den Unteransprüchen hervor.The core idea of the invention is to collect horizontally occurring loads and divert them collectively. The object is achieved in a ceiling formwork system according to
In vorrichtungstechnischer Hinsicht ist mit der Erfindung ein Lagerkopf konzipiert, wie er für eine Vertikalstütze zum Abstützen eines Deckenschalungspaneels genutzt werden kann, der jedoch gegenüber dem Stand der Technik eine Abspanntraverse aufweist, die im montierten Zustand auf der Vertikalstütze quer zu dieser ausgerichtet ist. Die Länge der Abspanntraverse entspricht mindestens einer Seitenlänge des abzustützenden Deckenschalungspaneels. Damit kann die Abspanntraverse mit deren jeweiligen Enden an beiden Seitenrändern des Deckenschalungspaneels angreifen, womit die Abspanntraverse also gleichzeitig an zwei beabstandeten Punkten angreift, um das Deckenschalungspaneel zu stützen und abzuspannen. Mit anderen Worten lassen sich mit dem erfindungsgemäßen Lagerkopf horizontale Lasten über die besagte Seitenlänge des Deckenschalungspaneels - also in dessen Quer- oder Längsrichtung - sammeln, um sie dann in toto über die Abspanntraverse abzuleiten. Dadurch sind gegenüber bestehenden Lösungen auch größere horizontale Lasten abtragbar.In terms of device technology, a bearing head is designed with the invention, as can be used for a vertical support for supporting a ceiling formwork panel, but which, compared to the prior art, has a bracing traverse that is aligned transversely to the vertical support when mounted. The length of the bracing traverse corresponds to at least one side length of the ceiling formwork panel to be supported. In this way, the guying traverse can act with its respective ends on both side edges of the ceiling formwork panel, whereby the guying traverse acts simultaneously at two spaced points in order to support and brace the ceiling formwork panel. In other words, with the bearing head according to the invention, horizontal loads can be collected over said side length of the ceiling formwork panel--that is, in its transverse or longitudinal direction--in order to then derive them in toto via the guy beam. As a result, larger horizontal loads can also be carried compared to existing solutions.
Indem für eine einzelne Abspanntraverse auch nur ein einzelnes Abspannelement, wie beispielsweise eine Abspannkette oder ein Abspannriemen benötigt wird, werden im Vergleich zum Stand der Technik auch weniger Abspannelemente bei gleicher Zahl von Schalungspaneelen benötigt. Denn wenn im Stand der Technik an zwei Punkten jeweilig abgespannt wurde, kann mittels einer einzelnen Abspanntraverse gemäß der Erfindung gleichzeitig an diesen zwei Punkten über ein einzelnes Abspannelement abgespannt werden. Überdies ergibt die erfindungsgemäße Lösung des neuen Lagerkopfs mit Abspanntraverse auch eine schnellere Montage, da nicht mehr an jedem Stützpunkt einzeln abgespannt werden muss.Since only a single guying element, such as a guying chain or a guying belt, is required for a single guying traverse, fewer guying elements are required in comparison to the prior art with the same number of formwork panels. If, in the prior art, two points were respectively braced, a single bracing traverse according to the invention can be used to brace at these two points simultaneously via a single bracing element. Moreover, the solution according to the invention of the new bearing head with bracing traverse also results in faster assembly, since it is no longer necessary to brace individually at each support point.
Die sich bei einem schrägen Abspannen eines Deckenschalungspaneels daraus ergebende Vertikalkraft wird von einer den Lagerkopf tragenden Vertikalstütze aufgenommen. Damit ist ein Eintrag von Vertikal lasten in das Deckenschalungssystem vollends kompensiert. Die von der Abspanntraverse an zwei Punkten des Deckenschalungspaneels gesammelten Kräfte werden am Abspannpunkt, d.h. dem Verbindungspunkt zwischen Lagerkopf und Vertikalstütze gemeinsam aufgenommen und abgetragen, womit die gesamte vertikale Last über die Vertikalstütze direkt am Entstehungspunkt abgetragen wird. Damit kann eine einzelne Abstützung des Deckenschalungspaneels an dessen zwei Eckpunkten entfallen und durch die alleinige Unterstützung mittels einer einzelnen Vertikalstütze mittig zur Abspanntraverse ersetzt werden.The resulting vertical force when a ceiling formwork panel is braced at an angle is absorbed by a vertical support carrying the bearing head. This completely compensates for the entry of vertical loads into the slab formwork system. The forces collected by the guy beam at two points of the slab formwork panel are absorbed and transferred together at the guy point, i.e. the connection point between bearing head and vertical support, whereby the entire vertical load is transferred via the vertical support directly at the point of origin. This means that there is no need for a single support for the ceiling formwork panel at its two corner points, and it can be replaced by the sole support by means of a single vertical support in the center of the guy beam.
Das erfindungsgemäße Deckenschalungssystem umfasst damit mindestens ein Schalungspaneel, mit mindestens einer das Schalungspaneel abstützenden Vertikalstütze, sowie mit einem oben beschriebenen Lagerkopf und Mitteln zum Fixieren des Abspannelementes die am Lagerkopf vorgesehen sind oder auf der Abspanntraverse sitzen. Zur Aufnahme der Abspanntraverse, d.h. zur Fixierung der beiden Enden der Abspanntraverse an dem Schalungspaneel weist das Schalungspaneel jeweilige Rastaufnahmen auf, so dass bei im Schalungspaneel aufgenommener Abspanntraverse eine Zugspannung mittels dem Abspannelement über die Traverse auf das Schalungspaneel aufgebracht werden kann, um so die Auflast in Schalungsebene zumindest teilweise horizontal abzuleiten.The ceiling formwork system according to the invention thus comprises at least one formwork panel, with at least one vertical support supporting the formwork panel, and with a bearing head described above and means for fixing the bracing element which are provided on the bearing head or sit on the bracing cross member. To accommodate the guy beam, ie for fixing of the two ends of the bracing traverse on the formwork panel, the formwork panel has respective snap-in receptacles, so that when the bracing traverse is accommodated in the formwork panel, a tensile stress can be applied to the formwork panel by means of the bracing element via the traverse, in order to derive the load in the formwork plane at least partially horizontally.
Die Länge der Abspanntraverse des Lagerkopfes ist auf eine Seitenlänge des Schalungspaneels bezüglich dessen Länge oder dessen Breite adaptiert. Die Abspanntraverse ist mittig am Lagerkopf aufgenommen, wobei gemäß einer vorteilhaften Ausführungsform das Abspannelement in Form einer Kette oder eines Bandes, etc. gleichermaßen mittig an der Abspanntraverse angreift, so dass der Lagerkopf die Mittel zum Fixieren des Abspannelementes aufweist.The length of the bracing traverse of the bearing head is adapted to a side length of the formwork panel with regard to its length or its width. The bracing traverse is accommodated in the center of the bearing head, wherein according to an advantageous embodiment the bracing element in the form of a chain or a belt, etc. acts equally centrally on the bracing traverse, so that the bearing head has the means for fixing the bracing element.
Der Lagerkopf ist sodann in einer vorteilhaften Ausführungsform über einen Flansch an der Vertikalstütze fixierbar und von dieser getragen. Um eine Ausrichtung zwischen einerseits dem Lagerkopf und der Vertikalstütze zu erleichtern und diese mittels Flanschverbindung zu fixieren, kann der Lagerkopf ein Ausrichtelement in Form eines Bolzens aufweisen, der zum Ausrichten in ein hohles Ende der Vertikalstütze einragen kann.In an advantageous embodiment, the bearing head can then be fixed via a flange on the vertical support and is carried by it. In order to facilitate alignment between the bearing head and the vertical support and to fix them by means of a flange connection, the bearing head can have an alignment element in the form of a bolt which can protrude into a hollow end of the vertical support for alignment.
Bezüglich der Fixierung der Abspanntraverse am Schalungspaneel weist das Schalungspaneel gemäß dem erfindungsgemäßen Lagerkopf und in einer vorteilhaften Ausführungsform des erfindungsgemäßen Deckenschalungssystems einen umlaufenden Rahmen auf, in dem Rastaufnahmen als Öffnungen auf gegenüberliegenden Seiten zur Aufnahme der Traversenenden vorgesehen sind. Da die Abspanntraverse zum sicheren Halten des Schalungspaneels geringfügig länger sein muss als die exakte Seitenlänge des Paneels, besteht die genannte Öffnung als Rastaufnahme in Form eines Langlochs, so dass die Abspanntraverse zunächst von unterhalb des Schalungspaneels in die eine Rastöffnung eingeschoben wird, sodann die Abspanntraverse in einer parallelen Ebene zum Schalungspaneel abgewinkelt werden kann, um das zweite Ende der Abspanntraverse in die zweite Rastaufnahmen-Öffnung einzuführen. Mit einem Abspannen der Abspanntraverse wird diese sodann in eine Anschlags-Position in den Rastaufnahme-Öffnungen gebracht.Regarding the fixing of the bracing traverse to the formwork panel, the formwork panel according to the bearing head according to the invention and in an advantageous embodiment of the ceiling formwork system according to the invention has a peripheral frame in which snap-in receptacles are provided as openings on opposite sides for receiving the ends of the traverse. Since the bracing traverse has to be slightly longer than the exact side length of the panel to securely hold the formwork panel, the opening mentioned is a snap-in receptacle in the form of an elongated hole, so that the bracing traverse is first inserted from below the formwork panel into a locking opening, then the guying traverse can be angled in a plane parallel to the formwork panel in order to introduce the second end of the guying traverse into the second locking receptacle opening. When the bracing traverse is braced, it is then brought into a stop position in the snap-in openings.
Um eine Verschiebung der Abspanntraverse entlang ihrer Längsachse nachfolgend einer Aufnahme in den Rastaufnahme-Öffnungen zu unterbinden, weist die Abspanntraverse gemäß dem erfindungsgemäßen Lagerkopf und in einer vorteilhaften Ausführungsform des erfindungsgemäßen Deckenschalungssystems zwei rechtwinklig zur Traversenlängsachse abragende Rastbügel auf.In order to prevent displacement of the guying traverse along its longitudinal axis after it has been received in the locking receptacle openings, the guying traverse according to the bearing head according to the invention and in an advantageous embodiment of the ceiling formwork system according to the invention has two locking brackets projecting at right angles to the longitudinal axis of the traverse.
Diese sind gemäß dem erfindungsgemäßen Lagerkopf und vorteilhaft bei dem erfindungsgemäßen Deckenschalungssystem beide am selben Ende der Abspanntraverse mit einem Abstand zueinander vorgesehen, so dass zwischen ihnen eine Aufnahme eines Rahmenabschnittes des Schalungspaneels möglich ist, wobei die Form und das Maß des außenseitigen Rastbügels so gewählt sind, dass er lediglich in einer speziellen Position relativ zur in Form und Maß komplementären Rastaufnahme durch diese hindurchführbar ist. Wird die Abspanntraverse nun an diesem Ende mit dem Rastbügel durch die Rastaufnahme hindurchgesteckt, so kommt es beim Verdrehen der Abspanntraverse um ihre Längsachse dazu, dass dieser äußere Rastbügel mitverdreht wird, womit er nicht mehr durch die Rastöffnung zurückgeführt werden kann und der Rastbügel damit einen Anschlag gegen das Rahmenelement bildet. Damit ist eine translatorische Verschiebung der Abspanntraverse entlang ihrer Längsachse, und zwar zur Innenseite des Paneels hin nicht mehr möglich.According to the bearing head according to the invention and advantageously in the case of the ceiling formwork system according to the invention, these are both provided at the same end of the guy beam at a distance from one another, so that a frame section of the formwork panel can be accommodated between them, with the shape and size of the external locking bracket being selected such that that it can only be passed through it in a specific position relative to the snap-in receptacle, which is complementary in shape and size. If the guying traverse is now pushed through the snap-in receptacle at this end with the locking bracket, when the guying traverse is rotated about its longitudinal axis, this outer locking bracket is also rotated, which means that it can no longer be guided back through the locking opening and the locking bracket thus has a stop forms against the frame member. This means that a translational displacement of the bracing traverse along its longitudinal axis, namely towards the inside of the panel, is no longer possible.
Der zweite Rastbügel, der an der Innenseite des Rahmenabschnittes des Rahmens des Schalungspaneels anschlägt, bildet eine Hemmung der translatorischen Verschiebung der Abspanntraverse entlang ihrer Längsachse in entgegengesetzter Richtung. Der zweite, innenliegende Rastbügel kann in seiner Form und Abmessung beliebig sein, da er ohnehin nicht durch die Rastaufnahme-Öffnung hindurchgeführt werden muss.The second locking bracket, which strikes the inside of the frame section of the frame of the formwork panel, forms an inhibition of the translational displacement of the guying cross member along its longitudinal axis in the opposite direction. The second, internal locking clip can be of any shape and size, since it does not have to be passed through the locking receptacle opening anyway.
Gemäß einer vorteilhaften Ausführungsform sind die Rastbügel jedoch baugleich ausgestaltet, wobei sie quer zur Längsachse der Abspanntraverse an deren Außenumfang versetzt angeordnet sind. Das hat zur Folge, dass die Abspanntraverse bei geeigneter Drehung um ihre Längsachse mit beiden Rastbügeln durch ein und dieselbe Rastaufnahme-Öffnung hindurchgeschoben werden kann. Das kann eine Einführung des gegenüberliegenden Endes der Abspanntraverse in die komplementäre Rastaufnahme-Öffnung erleichtern. Dies gilt umso mehr, je größer die Länge der Abspanntraverse relativ zur betreffenden Seitenlänge des Schalungspaneels ist.According to an advantageous embodiment, however, the latching brackets are of identical design, being offset transversely to the longitudinal axis of the bracing cross member on the outer circumference thereof. The consequence of this is that the bracing traverse can be pushed through one and the same latching receptacle opening with both latching brackets, given a suitable rotation about its longitudinal axis. This can facilitate insertion of the opposite end of the guy beam into the complementary snap-in opening. This applies all the more, the greater the length of the bracing traverse is relative to the relevant side length of the formwork panel.
Wie das oben bereits angedeutet wurde, ist der Lagerkopf in einer vorteilhaften Ausführungsform mittels eines Flansches an der Vertikalstütze festlegbar.As already indicated above, in an advantageous embodiment the bearing head can be fixed to the vertical support by means of a flange.
Schließlich weist das Deckenschalungssystem gemäß einer vorteilhaften Ausführungsform ein Spannschloss am Abspannelement auf, um eine Zugspannung durch das Abspannelement zwischen Verankerungsstelle und Lagerkopf aufzubauen und einzustellen.Finally, according to an advantageous embodiment, the ceiling formwork system has a turnbuckle on the bracing element in order to build up and set a tensile stress through the bracing element between the anchoring point and the bearing head.
Insofern ein Schalungspaneel der obigen Art derart konfiguriert ist, dass es mit weiteren Schalungspaneelen über deren Stirnseiten miteinander koppelbar ist, ist eine Abspannung einer Mehrzahl von Schalungspaneelen mit einem einzelnen Lagerkopf und einer damit verbundenen Abspanntraverse möglich, so dass die über ein Abspannelement eines einzelnen Schalungspaneels aufgebrachte Abspannkraft auf die in Kraftrichtung vorliegenden Schalungspaneele übertragbar ist.Insofar as a formwork panel of the above type is configured in such a way that it can be coupled to other formwork panels via their end faces, it is possible to brace a plurality of formwork panels with a single bearing head and a bracing traverse connected thereto, so that the A bracing force applied via a bracing element of an individual formwork panel can be transferred to the formwork panels present in the direction of the force.
Zusätzliche Einzelheiten und weitere Vorteile der Erfindung werden nachfolgend anhand eines Ausführungsbeispiels, auf das die vorliegende Erfindung jedoch nicht beschränkend zu lesen ist, so wie in Verbindung mit den beigefügten Zeichnungsfiguren beschrieben.Additional details and further advantages of the invention are described below using an exemplary embodiment, to which the present invention is not to be read as limiting, however, as described in connection with the attached drawing figures.
In diesen zeigen
Im vorliegenden Fall besteht die Abspanntraverse aus einem Rundrohr, das aus Stabilitätsgründen in einem Rechteckrohr aufgenommen und mit diesem fest verbunden ist, beispielsweise mittels Verschweissung. Damit ist die Abspanntraverse optimal verbindungssteif. Dies stellt eine Ausführungsvariante dar. Ganz natürlich versteht der Fachmann, dass die Abspanntraverse insgesamt auch aus einem einzelnen Rechteckrohr-Rahmen oder alternativ aus einem Rundrohr bestehen kann, oder dass an einem mittigen Rechteckrohr an dessen beiden Seiten ein Rundrohr jeweils fixiert, z.B. angeschweißt sein kann.In the present case, the bracing traverse consists of a round tube which, for reasons of stability, is accommodated in a rectangular tube and fixed to it is connected, for example by welding. This means that the bracing traverse has an optimally rigid connection. This represents an embodiment variant. Of course, the person skilled in the art understands that the bracing traverse can also consist of a single rectangular tube frame or alternatively of a round tube, or that a round tube can be fixed, e.g. welded, to both sides of a central rectangular tube .
Quer zur Abspanntraverse 16 ragt ein Element des Lagerkopfs nach unten ab, nämlich eine Befestigungsstütze, mit der der Lagerkopf 14 auf einer Vertikalstütze 12 (siehe
Auf der Abspanntraverse 16 sitzen ferner Mittel 20 zum Abspannen des Lagerkopfs, die auch u.a. als Abspannauge bezeichnet werden. Diese Mittel, d.h. das Abspannauge, zeigen zwei parallel zueinander ausgerichtete und auf dem Vierkantrohrrahmen aufsitzende Plattenelemente, die durch einen Bolzen verbunden sind. An diesem Bolzen kann das Abspannelement 18 (siehe beispielsweise
An einem Ende der Abspanntraverse 16 sind zwei Rastbügel 26 erkennbar, die jeweils einen Anschlag im Zusammenwirken mit dem Rahmen des Schalungspaneels 10 (siehe z.B.
Ein jeweiliges Decken-Schalungselement verfügt über insgesamt acht Rastaufnahmen 24, d.h. jeweils zwei Rastaufnahmen an einer jeden Seitenlänge des Schalungspaneels. Damit lässt sich eine Abspanntraverse an jeweils den kurzen Seiten über die Breitenrichtung des Schalungspaneels montieren, sowie eine längere Abspanntraverse an den Längsseiten des Paneels. Mit anderen Worten lässt sich ein jedes Schalungspaneel in dessen Breiten- und/oder in dessen Längsrichtung abspannen. Besagte Rastaufnahme-Öffnungen 24 sind im Rahmen 22 des Schalungspaneels vorgesehen, welcher Rahmen am Umfangsrand des Schalungspaneels verläuft. In
Aus
Das Detail A zeigt ganz deutlich den Anschlag des äußeren Rastbügels 26 an der Außenfläche des Rahmens 22 des Schalungspaneels 10. Unter Zuhilfenahme der Konfiguration beider Rastbügel 26 (siehe
In
Nachfolgend können sodann das Abspannelement 18 in Form einer Abspannkette an den Mitteln zum Abspannen eingehängt und eine Vertikalstütze über die Flanschverbindung 32 am Lagerkopf montiert werden. Die Abspannkette kann sodann mittels eines Bodenankers dort fixiert und abgespannt werden, womit im Ergebnis im abgespannten Zustand des Deckenschalungspaneels Horizontal lasten auf das bestehende Bauwerk abgetragen sind.Subsequently, the bracing
- 1010
- Schalungspaneelformwork panel
- 1212
- Vertikalstützevertical support
- 1414
- Lagerkopfbearing head
- 1616
- Abspanntraverseguy beam
- 1818
- Abspannelementguying element
- 2020
- Mittel zum Abspannenmeans of relaxation
- 2222
- RahmenFrame
- 2424
- Rastaufnahmesnap-in mount
- 2626
- Rastbügellocking bracket
- 2828
- Ausrichtelementalignment element
- 3030
- Spannschlossturnbuckle
- 3232
- Flanschflange
Claims (9)
- Ceiling formwork system- having at least one ceiling formwork panel (10),- having at least one vertical support (12) supporting the ceiling formwork panel (10),- having a bearing head (14) which has in the mounted state on the vertical support an anchoring cross-member (16) oriented transverse to the vertical support and having a length corresponding at least to a side length of the supporting ceiling formwork panel, whereby the anchoring cross-member (16) can be affixed at each end to lateral edges of the ceiling formwork panel, and having- means for affixing an anchoring element (18) which are provided to the bearing head (14),wherein the formwork panel has a respective latching recess (24) for receiving a respective cross-member end, so that, when the anchoring cross-member is held in the formwork panel via the anchoring element (18), a tensile stress can be applied via the cross-member (16) to the at least one formwork panel in order to at least partially horizontally divert an applied load in the formwork plane.
- Ceiling formwork system according to claim 1,
characterized in that the formwork panel has a frame running around the perimeter (22) in which the latching recesses (24) are provided as openings on opposing sides of a panel frame for holding the cross-member ends. - Ceiling formwork system according to claim 2,
characterized in that the anchoring cross-member (16) has two latching clips (26) projecting at a right angle to the cross-member longitudinal axis with which the anchoring cross-member can be latched on the frame (22) in the latching recesses (24) in such a way that in the latched state a translational displacement of the anchoring cross-member (16) along its longitudinal axis is inhibited. - Ceiling formwork system according to claim 3,
characterized in that the two latching clips (26) are provided with a distance from each other at the same end of the anchoring cross-member in which an accommodation of a frame section of the frame is possible, wherein the shape and the dimension of at least the outer latching clip (26) is selected such that in a specific position it can be passed through the latching recess, which is complementary in shape and dimension, and, when the cross-member (16) is turned about its longitudinal axis, this latching clip (26) is turned with it in such a way that it then forms an abutment against the frame in order to inhibit the translational displacement of the anchoring cross-member (16) along its longitudinal axis. - Ceiling formwork system according to claim 4,
characterized in that the two latching clips are structurally identical in their dimensions and are arranged offset transverse to the longitudinal axis of the anchoring cross-member at its outer perimeter. - Ceiling formwork system according to any of preceding claims 1 to 5,
characterized in that the bearing head (14) is securable to the vertical support (12) via a flange (32). - Ceiling formwork system according to any of preceding claims 1 to 6,
characterized in that the anchoring element (18) comprises a turnbuckle (30). - Ceiling formwork system according to any of preceding claims 1 to 7,
characterized by a plurality of formwork panels (10), which are couplable to each other at their end faces, so that the force applied via an anchoring element (18) of a formwork panel (10) is transferrable to the formwork panels present in the force direction. - Bearing head (14) for a vertical support to support a ceiling formwork panel,
wherein the bearing head (14) in the mounted state on the vertical support has an anchoring cross-member (16) oriented transverse to the vertical support and having a length corresponding at least to a side length of the supporting ceiling formwork panel, whereby the anchoring cross-member (16) can be affixed at each end to lateral edges of the ceiling formwork panel, wherein the formwork panel has a respective latching recess (24) for receiving a respective cross-member end, so that, when the anchoring cross-member is held in the formwork panel via the anchoring element (18), a tensile stress can be applied via the cross-member (16) to the at least one formwork panel in order to at least partially horizontally divert an applied load in the formwork plane, wherein the formwork panel has a perimeter frame (22) in which latching recesses (24) are provided as openings on opposing sides for receiving the cross-member ends, wherein the anchoring cross-member (16) has two latching clips (26) projecting at a right angle to the cross-member longitudinal axis with which the anchoring cross-member (16) can be latched on the frame (22) of the formwork panel in the latching recesses (24) in such a way that in the latched state a translational displacement of the anchoring cross-member (16) along its longitudinal axis is inhibited, characterized in that the two latching clips (26) are provided with a distance from each other at the same end of the anchoring cross-member in which an accommodation of a frame section of the frame is possible, wherein the shape and the dimension of at least the outer latching clip (26) is selected such that in a specific position it can be passed through the latching recess, which is complementary in shape and dimension, and, when the cross-member (16) is turned about its longitudinal axis, and this latching clip (26) is turned with it in such a way that it then forms an abutment against the frame in order to inhibit the translational displacement of the anchoring cross-member (16) along its longitudinal axis.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102018118230.9A DE102018118230A1 (en) | 2018-07-27 | 2018-07-27 | BEARING HEAD WITH TENSIONER AND CONNECTED CEILING SHUTTERING SYSTEM |
Publications (2)
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EP3599323A1 EP3599323A1 (en) | 2020-01-29 |
EP3599323B1 true EP3599323B1 (en) | 2023-08-30 |
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EP19186500.5A Active EP3599323B1 (en) | 2018-07-27 | 2019-07-16 | Bearing head comprising a clamping device and corresponding ceiling formwork system |
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US (1) | US11585103B2 (en) |
EP (1) | EP3599323B1 (en) |
KR (1) | KR20200012791A (en) |
CN (1) | CN110778107A (en) |
CA (1) | CA3050474A1 (en) |
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CN112666025B (en) * | 2020-12-18 | 2023-05-05 | 南昌航空大学 | Hoop bending fatigue testing device based on encircling movement |
DE102021126176A1 (en) | 2021-10-08 | 2023-04-13 | Peri Se | Device for constructing an outside corner of a ceiling formwork, ceiling formwork, horizontal beam, support head and height adjustment element and bracing adapter and method for constructing an outside corner of a ceiling formwork |
CN115030491B (en) * | 2022-06-07 | 2023-08-15 | 晟通科技集团有限公司 | Roof fixing device and method for adjusting supporting position of roof bar |
DE102022206972A1 (en) * | 2022-07-07 | 2024-01-18 | Doka Gmbh | Formwork table element |
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2018
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- 2019-07-24 CA CA3050474A patent/CA3050474A1/en active Pending
- 2019-07-25 CN CN201910675537.0A patent/CN110778107A/en active Pending
- 2019-07-26 KR KR1020190090867A patent/KR20200012791A/en not_active Application Discontinuation
- 2019-07-27 US US16/524,057 patent/US11585103B2/en active Active
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Also Published As
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EP3599323A1 (en) | 2020-01-29 |
US20210025183A1 (en) | 2021-01-28 |
AU2019208189A1 (en) | 2020-02-13 |
US11585103B2 (en) | 2023-02-21 |
CA3050474A1 (en) | 2020-01-27 |
DE102018118230A1 (en) | 2020-01-30 |
CN110778107A (en) | 2020-02-11 |
KR20200012791A (en) | 2020-02-05 |
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