EP3862510A1 - Support de compensation - Google Patents

Support de compensation Download PDF

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Publication number
EP3862510A1
EP3862510A1 EP21155191.6A EP21155191A EP3862510A1 EP 3862510 A1 EP3862510 A1 EP 3862510A1 EP 21155191 A EP21155191 A EP 21155191A EP 3862510 A1 EP3862510 A1 EP 3862510A1
Authority
EP
European Patent Office
Prior art keywords
support
coupling
equalizing
receptacle
carrier
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.)
Pending
Application number
EP21155191.6A
Other languages
German (de)
English (en)
Inventor
Wilfried Häberle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Peri GmbH
Original Assignee
Peri GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Peri GmbH filed Critical Peri GmbH
Publication of EP3862510A1 publication Critical patent/EP3862510A1/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • E04G11/54—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like
    • E04G11/56—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like of telescopic type
    • 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
    • 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • 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

Definitions

  • the invention relates to an equalizing beam for accommodating formwork elements, in particular formwork panels comprising an outer beam which has a supporting surface pointing upwards in the application and a base surface pointing downwards in the application and at least one inner carrier which has an additional supporting surface pointing upwards in the application and one in the application has downwardly pointing additional base surface.
  • the equalizing beam furthermore comprises at least one fixing element.
  • the outer carrier has a recess running in its longitudinal direction for receiving the inner carrier and the inner carrier is mounted displaceably in the recess of the outer carrier.
  • the fixing element is provided to fix the position of the inner support relative to the outer support.
  • the invention further relates to a ceiling formwork system comprising at least one equalizing beam and at least two supports which are arranged essentially at right angles to the equalizing beam.
  • the invention relates to the field of construction.
  • parts of the building are often formed by pouring concrete.
  • the shape of these cast parts of the building is given by formwork, the formwork being erected on the construction site before pouring.
  • ceilings or storey ceilings of a building are erected with the aid of circuits.
  • formwork systems for the construction and positioning of such formwork, which essentially bring formwork elements into a desired position and fix them there.
  • formwork systems include vertically running supports and horizontally running girders, the actual formwork elements being applied directly or indirectly to the girders.
  • Known formwork systems are based on standard components which are designed to accommodate and fix standard sizes of formwork elements.
  • the majority of the required formwork is usually positioned using standard components. Often times, the parts of the building that have a ceiling should arise, dimensions that cannot be completely covered by standard components of a formwork. There remain edge areas in which formwork with standard components is not possible, because the building parts, for example, have an irregular shape. In order to be able to produce a continuous ceiling, formwork elements must also be provided in these edge areas, which in particular also affect the corners of the building parts. The required sizes and shapes of formwork elements for the edge areas are cut out of standard components or shaped in some other way. Usually, the formwork elements for the edge or corner areas are positioned and fixed by means of girders made individually for this particular application, these individual girders being connected to supports.
  • EP 2 982 813 A1 a carrier for a formwork is known, which is designed to be adjustable in length.
  • the proposed carrier is only suitable for edge areas of a ceiling formwork which have smaller dimensions, since a connection to vertically extending supports is only possible at its ends.
  • Another length-adjustable carrier which can be used for the edge areas of a ceiling formwork, is from ES2302655A1 famous. This carrier consists of many different individual parts and is therefore complex to manufacture.
  • the object of the invention is therefore to propose solutions with which edge areas of a formwork with different dimensions can be positioned and fixed easily and reliably.
  • a compensating beam for receiving formwork elements for receiving formwork elements, in particular formwork panels, comprising an outer beam, which has a supporting surface pointing upwards when used and one facing down when used having pointing base surface, at least one inner support, which has an additional support surface pointing upwards in the application and an additional base surface pointing downwards in the application, as well as at least one fixing element.
  • the outer carrier has a recess running in its longitudinal direction for receiving the inner carrier and the inner carrier is mounted displaceably in the recess of the outer carrier.
  • the fixing element is provided to fix the position of the inner support relative to the outer support, this fixation being carried out releasably by the fixing element and the fixing element at least partially penetrating the outer support and the inner support during the fixation, and the support surface and the additional support surface in a common plane are arranged, which limits the equalizing beam upwards in the application.
  • At least two support interfaces for connection to a support are arranged on the base surface and at least one support interface is arranged on the additional base surface.
  • An equalizing beam according to the invention is designed to be adjustable in length and thus adaptable to the dimensions required on the construction site.
  • the equalizing beam comprises an outer beam which at least partially encloses an inner beam that is displaceable relative to the outer beam.
  • the total length of the outer beam can be adjusted by moving the inner beam relative to the outer beam.
  • at least one fixing element is provided which fixes the position of the inner beam relative to the outer beam.
  • the fixing element can be removed or deactivated so that the inner beam can be moved relative to the outer beam.
  • the outer beam of a compensating beam according to the invention has several surfaces.
  • the use case is to be understood as the case in which an equalizing beam according to the invention for receiving and positioning formwork elements is installed or is being installed on the construction site.
  • the equalizing beam is oriented in such a way that it can absorb load from formwork elements arranged vertically above the equalizing beam.
  • the equalizing beam is oriented at the same time in such a way that it can transfer the load transferred by the formwork elements to supports arranged below the equalizing beam.
  • a typical use case for an infill beam is its installed state in a ceiling formwork system.
  • the outer support has a recess in its interior, which is provided for slidably receiving the inner support.
  • This recess is arranged in the outer support along its longitudinal direction.
  • the recess in the outer carrier can be made in one piece or in several pieces.
  • the recess forms at least partially a negative shape relative to the inner support.
  • the outer cross-section of the inner support thus fits into the inner cross-section of the recess of the outer support with the clearance required for the two supports to be displaceable relative to one another.
  • This at least regionally positive fit between the outer carrier and the inner carrier ensures precise guidance of the inner carrier in the outer carrier.
  • the outer support has a supporting surface that points upwards when used. This wing is intended to directly accommodate formwork elements such as formwork panels.
  • the supporting surface thus forms the surface on the outer girder via which loads from the formwork, which is supported by the equalizing beam, are introduced into the outer girder.
  • the wing is expediently designed with a large area and extends over the entire length of the external support.
  • a base surface is arranged which, when used, points downward.
  • This base surface is intended for the connection of the leveling beam with supporting elements.
  • the base surface can be connected to scaffolding supports which support the equalizing beam in the desired position.
  • the base area is therefore intended to derive loads or forces from the equalizing beam.
  • the inner support has an additional supporting surface which points upwards when used and which also serves to absorb loads.
  • the inner support has an additional base surface which points downwards in the application and is arranged opposite the additional support surface and which serves to dissipate loads from the equalization support.
  • the support surface and the additional support surface are arranged in a common plane.
  • the supporting surface and the additional supporting surface thus form a common, continuous plane via which loads from the formwork elements lying on top can be absorbed.
  • the plane defined jointly by the wing and the additional wing at the same time limits the equalizing beam at the top in the case of application. This means that no further elements of the equalizing beam protrude above this common level and the placement of Hinder formwork elements.
  • An equalizing beam according to the invention thus has a plane which delimits it at the top in the application and which is formed by the two surfaces of the supporting surface and additional supporting surface which can be displaced relative to one another.
  • Formwork elements such as formwork panels, can be placed flat and without intermediate elements directly on the supporting surface and additional supporting surface, with this direct support ensuring very good load transfer.
  • At least two support interfaces for connection to a support are arranged on the base surface of the outer support and at least one support interface is arranged on the additional base surface of the inner support.
  • An equalizing beam according to the invention has at least three support interfaces which are provided for connection to supports, via which the loads introduced into the equalizing beam by the formwork are diverted therefrom again.
  • Two of these support interfaces are arranged on the outer support, in particular at its ends.
  • the outer support is made more stable than the retractable and retractable inner support.
  • the main load which is introduced into the infill beam by the formwork elements on top, is thus absorbed and passed on by the outer beam.
  • the external beam with its two support interfaces is used to transfer the load.
  • the inner beam is used to adapt the equalizing beam to different dimensions, which are specified by the dimensions of the required formwork.
  • the inner beam is thus shifted relative to the outer beam until the total length of the equalizing beam matches the application. In this state, the fixing element is then fixed or activated. Supports are arranged on the outer beam via its two support interfaces.
  • the inner support has a further support interface, which is also provided for connection to a support. Via this third support interface on the inner support, in particular loads are diverted which are introduced into the inner support via the additional support surface.
  • the third support interface on the inner girder thus takes up the part of the introduced load which is not absorbed by the outer girder.
  • supports are arranged at all three support interfaces of the equalizing beam, which dissipate the load downwards.
  • an equalizing beam according to the invention can also only be connected to the two support interfaces with supports which are arranged on the outer beam.
  • An equalizing beam according to the invention thus has an arrangement of support interfaces which is adapted to its respective length and which dissipates the absorbed load in a distributed manner enables. With the three support interfaces provided, this load is dissipated in a better distributed manner than in the prior art, in which only two support interfaces are usually provided.
  • the outer support is rod-shaped and has an insertion opening at its two end faces which is connected to the recess and the inner support can be pushed into the outer support through these insertion openings at both end faces.
  • an insertion opening forms the access to the recess in the interior of the outer support. Since such an insertion opening is arranged at two opposite ends of the outer carrier, the inner carrier can be pushed into both end-face ends of the outer carrier.
  • the insertion opening is designed to be the same size or larger than the outer cross section of the inner support.
  • a compensating beam according to this embodiment can thus be adapted particularly well to the individual circumstances of an application. Due to the two-sided insertion, there is an increased flexibility for the arrangement of the supports at the support interfaces.
  • the support surface extends over the entire length of the outer beam and the additional support surface extends over the entire length of the inner support and the support surface and the additional support surface are provided for the direct support of one or more formwork elements.
  • the total supporting surface formed by the supporting surface and the additional supporting surface extends over the entire length of the equalizing beam.
  • This total supporting surface is intended for the direct support of one or more formwork elements, in particular for the direct support of formwork panels. Because the entire bearing surface always extends over the entire length of the equalizing beam regardless of the positioning of the inner beam relative to the outer beam, formwork elements placed on the overall bearing surface lie flat and without interruptions on the equalizing beam. This means that there are no voltage peaks at the boundaries of the area.
  • the large-area, continuous support of formwork elements along the entire leveling beam enables particularly good load transfer from one or more formwork elements to the leveling beam.
  • laid-on formwork elements can have a wide variety of dimensions and, in particular, butt joints in a wide variety of positions.
  • the continuous overall bearing surface always ensures that adjoining formwork elements always rest on the bearing surface at their joint and are thus reliably supported.
  • the equalizing beam further comprises a fastening strip, which at least partially has the same shape in cross section as the inner beam and the fastening strip can be pushed into the recess of the outer carrier, in particular the recess having an undercut on its side facing the wing , which secures the fastening strip against movement in the direction of the wing when used.
  • a fastening strip is provided which is used to secure formwork elements placed on the equalizing beam.
  • Formwork elements that are placed on the support surface or additional support surface of the leveling beam can be fixed in their position, for example, by hammering nails through the formwork elements into the fastening strip.
  • the fastening strip has an outer shape that enables it to be pushed into the recess in the outer support. In this way, the inner support and the fastening strip can be pushed into the recess.
  • the fastening strip can also serve as a stop for the inner support.
  • the fastening strip can be shaped in such a way that an undercut of the recess in the outer support prevents it from being moved out of the recess in the direction of the wing. Such an undercut prevents formwork elements that are connected to the fastening strip from being lifted off the fastening strip and thus also from the supporting surface.
  • the shaping of the fastening strip, which engages in the undercut is not absolutely necessary.
  • the fastening strip can also be designed in such a way that it can be removed from the recess in the direction of the supporting surface and introduced into it.
  • a combination of fastening strip and recess designed in this way makes it possible to introduce one or more fastening strips when the equalizing beam has already been positioned.
  • the fastening strip has a fastening surface facing upwards in the application, the fastening surface being flush with the supporting surface when pushed into the outer support or the fastening surface being set back relative to the supporting surface.
  • the fastening strip has a fastening surface which is provided for the introduction of connecting elements for connection to a formwork element.
  • the fastening strip can be made of wood or plastic and the fastening surface can be used as a hammer surface for nails.
  • the fastening surface is arranged flush with the supporting surface or offset back with respect to the supporting surface.
  • the inner beam has a plurality of fixing openings which are arranged at a distance from one another in the longitudinal direction on the inner beam and the outer beam has at least one fixing guide, the fixing element for fixing the position of the inner beam in the outer beam at least partially in the fixing guide and a the fixing openings is introduced.
  • the inner support is detachably fixed to the outer support by a combination of a fixing opening in the inner support, a fixing guide on the outer support and the fixing element.
  • a plurality of spaced apart fixing openings are arranged on the inner beam. The position of the inner support relative to the outer support can be adjusted according to the distances between the fixing openings.
  • the fixing openings and the fixing guide are designed as cylindrical openings and the fixing element is at least partially designed as a cylindrical pin.
  • the fixing openings and the fixing guide are designed as openings with a cylindrical cross section. Such openings can easily be made by drilling or milling.
  • the fixing element is provided with a cylindrical outer cross-section that matches the openings and fits into the openings.
  • the fixing openings are designed as cylindrical openings and the fixing guide is designed as an elongated hole and the fixing element is at least partially designed as a cylindrical pin.
  • the fixing guide on or in the outer carrier is designed as an elongated hole, the elongated hole being arranged in the longitudinal direction on the outer carrier.
  • a rough adjustment of the position of the inner carrier to the outer carrier can be done by selecting a fixing opening on the inner carrier.
  • the fixing element is then introduced into the fixing guide, which is designed as an elongated hole, and the selected fixing opening. This creates a form fit between the fixing opening and the fixing element.
  • the fixing element is, however, displaceable in the fixing guide, since in the longitudinal direction of the outer support there is no form fit between the at least partially cylindrical fixing element and the fixing guide designed as an elongated hole.
  • the fixing element can thus be moved over the length of the elongated hole, which enables a fine adjustment of the total length of the equalizing beam or a fine adjustment of the position of the inner beam relative to the outer beam.
  • a compensating beam according to this embodiment can thus be adapted even better to the individual dimensions of a specific application.
  • the fixing element is designed as a cylindrical pin or sprint. Such a fixing element can be flexibly attached to the outer support via a rope or a chain so that the fixing element is not accidentally lost when it is not inserted into the outer support or inner support for fixation.
  • the outer carrier has at least one coupling and a coupling receptacle, the coupling and the coupling receptacle being arranged on opposite side surfaces of the outer carrier, the side surfaces of the outer carrier being surfaces which are at an angle, in particular at right angles, to Wing and base surface are arranged, the outer geometry of the coupling being smaller than or equal to the inner geometry of the coupling receptacle and thus the coupling of a compensating beam can be inserted into the coupling receptacle of a further compensating beam and thus two compensating beams can be connected to one another.
  • at least one coupling and at least one coupling receptacle are provided on the outer carrier, which serve to connect two or more equalizing carriers to one another.
  • Coupling and coupling receptacle enable such a connection of several equalizing beams with a small distance from one another.
  • a mechanical connection between two or more equalization beams significantly increases the stability of the assembly compared to a single equalization beam.
  • Tilting stability is understood to mean the stability that counteracts the tilting away of the leveling beam, the formwork system and in particular the formwork elements when the poured concrete is applied.
  • the coupling and the coupling receptacle are each arranged on side surfaces. These side surfaces are different surfaces than the previously described airfoil and base surface. Usually, the side surfaces are each at right angles to the wing and to the base surface.
  • the side surfaces can also be arranged at a different angle to the support surface and base surface.
  • a coupling is usually arranged on one side surface, on the opposite side a coupling receptacle is arranged.
  • a coupling and a coupling receptacle are arranged on one and the same side surface of the external beam.
  • the coupling of one equalizing beam is inserted into the coupling receptacle of another equalizing beam.
  • the external geometry of the coupling is designed to be smaller than or equal to the internal geometry of the coupling receptacle. The external geometry of the coupling can thus be introduced into the internal geometry of the coupling receptacle for connection.
  • the coupling has a cylindrical external cross section and the coupling receptacle has a rectangular internal cross section.
  • the outer cross section of the coupling fits into the inner cross section of the coupling receptacle, but without having an identical shape.
  • the outer cross-section of the coupling is cylindrical, the inner cross-section of the coupling receptacle, on the other hand rectangular, especially square.
  • the coupling receptacle has at least one securing element and the coupling has at least one securing receptacle, the securing element being able to be brought into engagement with the securing receptacle after the coupling of a compensating beam has been introduced into the coupling receptacle of a further compensating beam and, in the inserted state, the coupling can be disconnected and coupling receptacle prevented.
  • the connection from the coupling of one equalizing beam to the coupling receptacle of another equalizing beam can be secured, so that an unintentional separation of the two equalizing beams is prevented.
  • the securing element of the coupling receptacle is inserted into the securing receptacle of the coupling.
  • the securing element of the coupling receptacle can be designed, for example, as a pivotable bracket which is arranged on the coupling receptacle in such a way that it cannot be lost.
  • a simple, planar key surface can be provided on the coupling, with which areas of the securing element designed as a bracket are brought into engagement.
  • the securing element of the coupling receptacle can also be formed by a split pin, which is inserted into a securing device a cylindrical bore formed fuse holder can be inserted into the coupling.
  • a split pin can, for example, also be secured against inadvertent loss by fastening it to a piece of wire or a chain.
  • both the coupling and the coupling receptacle protrude at right angles over the respective side surfaces of the external support.
  • both the coupling and the coupling receptacle are rod-shaped, d. H. they have a longitudinal axis that is longer than their width.
  • the coupling and the coupling receptacle are arranged on the side surface or surfaces of the external support in such a way that their longitudinal axes are at right angles to the side surfaces. This right-angled arrangement in relation to the side surfaces ensures that when several equalizing beams are connected to one another, their supporting surfaces are positioned in one plane and parallel to one another.
  • a coupling and a coupling receptacle are arranged on each side surface of the outer carrier, the coupling being arranged on the first side surface opposite the coupling receptacle on the second side surface and the coupling receptacle on the first side surface opposite the coupling on the second side surface.
  • a coupling and a coupling receptacle are arranged on each of the two side surfaces of the external support.
  • An equalizing beam designed in this way can be connected to a further equalizing beam via two connections each comprising a coupling and a coupling receptacle. This connection at two points on the outer beam is particularly stable.
  • the corresponding elements for connection are arranged on each of the two side surfaces.
  • An equalizing beam can thus be connected to a further equalizing beam on each of its two sides.
  • a coupling and a coupling receptacle are preferably arranged on a first side surface, and a coupling receptacle and a coupling are arranged in a mirror-inverted manner on the second side surface opposite this first side surface.
  • a coupling can also be arranged opposite one another on each side and a coupling receptacle on each side.
  • the outer carrier is formed by a profile element, the profile element having at least two chambers, which are arranged one above the other when used.
  • the outer support comprises a profile element or is formed by a profile element.
  • a profile element is to be understood as an element which has a constant cross section that extends along an axis or a curve.
  • a profile element in which a complex profile extends along a linear axis is usually used for the production of an outer beam.
  • Such profile elements are available on the market in a wide variety of designs, for example made of iron-based or aluminum materials. Profile elements have the advantage that, based on the principles of lightweight construction, they have a high level of flexural rigidity with low material requirements.
  • Profile elements are therefore stable and have a low weight, which is particularly favorable for handling on the construction site.
  • a profile element according to the embodiment described has at least two chambers arranged one above the other in its cross section. These chambers form different areas in the profile element and can be used for different tasks.
  • the two chambers are usually separated from one another by a partition.
  • An arrangement of the chambers on top of one another is particularly advantageous, since this increases the bending resistance of the outer support against a load which is introduced on the wing.
  • the outer support formed by a profile element has a third chamber, which is arranged under the two chambers in the application.
  • the profile element has a further, third chamber.
  • This third chamber is preferably arranged below the first and the second chamber.
  • the third chamber is used to further increase the flexural strength of the compensating beam.
  • the third chamber of the profile element can be used for other functions, for example for additional fastening or bracing of the external beam in the formwork system.
  • the support interfaces of the external support are arranged on or in the second chamber or on or in the third chamber, in particular with the support interfaces having areas which are formed by recesses or projections in the second or third chamber.
  • the Support interfaces of the external support which are arranged on the base surface, are arranged either on the edge of the second chamber or the third chamber that faces downward in the application.
  • the support interfaces are always located on the base surface of the external support, which faces downwards in the application and closes off the external support at the bottom. If the outer support is formed by a profile with two profile chambers, the support interfaces are arranged on the lower edge of the second chamber.
  • the support interfaces are arranged at the lower edge of the third chamber.
  • the support interfaces are intended to be connected to support heads of supports in a formwork system.
  • the support interfaces usually have geometric shapes which form an interface that match corresponding counterparts on geometric shapes on the support head.
  • the support interfaces have projections or recesses which are provided for a targeted connection with a support head. These projections or recesses can be produced by removing material from the second or third chamber of the equalizing beam. Such a removal of material can take place, for example, by laser cutting, milling, sawing or other processing methods.
  • the outer carrier comprises at least one eyelet element which is arranged displaceably and fixably in the base surface, in particular wherein the eyelet element is at least partially arranged in the third chamber.
  • at least one eyelet element is arranged on the outer support.
  • This eyelet element is arranged in or on the base surface and can be moved there in the longitudinal direction of the outer support.
  • the eyelet element can be fixed at different positions along the base surface.
  • the eyelet element has an eyelet which can be connected to a means for bracing, for example a rope or a chain. This means of bracing can be used to brace the external girder in relation to other elements on the construction site.
  • the eyelet element has, in addition to the eyelet, a fastening part which engages in the lower chamber of the external support designed as a profile element.
  • the eyelet element is slidably fastened in the third chamber, which also forms the base surface.
  • the eyelet element is attached in the second chamber, which is oriented downwards in the application.
  • the inner support has at least two rods extending in its longitudinal direction, which are spaced apart from one another and which are connected at their ends by closing elements.
  • the inner support is designed in several parts in the longitudinal direction.
  • the inner support has two rods arranged one above the other and spaced apart when used.
  • the construction of the inner beam from two such rods increases its flexural strength in the application.
  • An inner support constructed in two parts, which has a distance between two rods running in the longitudinal direction, is also lightweight and is therefore easy to transport.
  • the inner support is also constructed according to the principles of lightweight construction and combines high mechanical stability for absorbing loads that are introduced via the additional support surface with a low weight.
  • the two rods running in the longitudinal direction are firmly connected to one another at their two front ends by means of closure elements.
  • the closing elements position the two rods in relation to one another.
  • At least one support interface of the inner support is arranged on one of the terminating elements.
  • the at least one support interface of the inner support is arranged on a terminating element.
  • the end of the closing element, which faces downward in the application, forms part of the additional base surface and is therefore a suitable location for the arrangement of a support interface.
  • This support interface can also have projections, recesses or other geometric shapes which are provided for connection to a support head.
  • Support interfaces can, however, alternatively or additionally be arranged on the lower of the two bars of the inner support. In general, it is possible to place the entire equalizing beam on its surface, which faces downwards in the application, on supports of a formwork system. As described, at least three support interfaces are provided.
  • supports can be attached at other points to provide additional support for the equalizing beam at any position.
  • This possibility of attaching additional supports is a Infill beams or a formwork system with an infill beam can be adapted very flexibly to different requirements on the construction site.
  • At least one cross connector is provided which has two opposite ends, at each of which a connection is provided and the outer support has at least one cross connector interface which can be connected to the connection on the first side of the cross connector and the connection can be connected on the second side of the cross connector to the cross connector interface of a further equalizing beam, whereby two or more equalizing beams can be connected at a distance from one another.
  • a further possibility is provided for connecting several equalizing beams to one another.
  • at least one cross connector is provided which has a connection at two of its opposite ends. This connection can be connected to at least one cross connector interface on the equalizing beam.
  • the second, opposite connection of the cross connector can be connected to a cross connector interface of a further equalizing beam.
  • the cross connector is designed to be longer than the combination of coupling and coupling receptacle described above. With the cross connector, two or more equalizing beams can thus be arranged at a greater distance from one another than with a connection via the combination of coupling and coupling receptacle.
  • the cross connector can be made rod-shaped, with a length dimension that is significantly larger than its width dimension.
  • the cross-section of a cross-connector can, for example, be circular. Of course, other cross-sections can also be used for a cross connector.
  • a ceiling formwork system comprising at least one equalizing beam according to one of the embodiments described above and at least two supports which are arranged essentially at right angles to the equalizing beam.
  • the supports each have a support head and the support head of each support is connected to a support interface of the external girder.
  • a ceiling formwork system according to the invention comprises at least one equalizing beam according to one of the embodiments described above.
  • the compensating beam is intended for the direct support of formwork elements, in particular formwork panels.
  • the infill beam is positioned by at least two vertically oriented supports in the application. The two supports are arranged essentially at right angles to the longitudinal direction of the equalizing beam.
  • the ends of the supports which are oriented upward in the application, each have a support head which is connected to a support interface of the external support of the equalizing support.
  • the connection of the support interfaces with the support head of the supports ensures stable positioning of the slab formwork system in the application.
  • the prop head of the prop has at least one head receptacle which receives at least partial areas of the support interface in a form-fitting manner, in particular wherein the at least one head receptacle receives at least one recess or at least one projection of the support interface in a form-fit manner.
  • an at least partially positive connection is provided between the support interface and a head receptacle, which is part of the support head of each support.
  • Such a form-fitting connection allows equalizing beams and support heads to be connected to one another in a reproducible manner.
  • a corresponding arrangement of geometric elements, for example of projections or recesses, can also be used to achieve reproducible mobility of equalizing beams and supports with respect to one another.
  • Such geometric elements can be used, for example, when constructing the ceiling formwork system, initially to hang a compensating beam on a prop head in its head receptacle.
  • the compensating beam is guided over these geometric elements in relation to the prop head after it has been suspended.
  • the equalizing beam can then be brought into the desired position, for which purpose it is usually folded upwards in an essentially horizontal direction.
  • the connection between the two elements can then be specifically secured and fixed in their position via further geometric elements on the support interfaces and on the support head.
  • the shape of the support interfaces and the head receptacle can be designed differently.
  • the shape of the support interfaces and the head receptacle are coordinated with one another in such a way that, when the ceiling formwork system is used, a form fit between the elements results at least in some areas.
  • the described form fit can additionally be achieved by force-fitting elements at the support interfaces or the head receptacle be stabilized.
  • Such frictionally acting elements can be formed, for example, by clamps.
  • a third support is provided, the support head of which is connected to the support interface of the inner support.
  • a third support is provided which is connected to the inner beam of the equalizing beam.
  • Such a third support is required when the inner support is at least partially extended with respect to the outer support and protrudes over the latter.
  • the loads that are absorbed by the inner girder are at least partially diverted via the third support, which is connected to the support interface of the inner girder.
  • the position of this third support relative to the other two supports, which are connected to the outer support varies with the extension length of the inner support relative to the outer support.
  • the third support connected to the inner beam ensures that the load is safely diverted from the entire equalizing beam.
  • one of the two supports, which is connected to the outer carrier is usually arranged at the end of the outer carrier beyond which the inner carrier protrudes. This support is therefore located at the transition area between the inner and outer girders and absorbs loads there. This ensures that precisely this transition area, in which the inner carrier emerges from the outer carrier, is securely supported and is not stressed or damaged by bending stresses.
  • the ceiling formwork system has more than one infill beam.
  • Two or more equalizing beams are connected to one another via a combination of coupling with coupling receptacle.
  • the at least two provided equalizing beams are spaced apart and connected parallel to one another. In this way, two or more equalizing beams can be arranged next to one another in a stable and reproducible manner. Such an arrangement of several infill beams increases the stability of the ceiling formwork system.
  • equalizing beams can alternatively or additionally be connected to one another via cross-connectors, which are attached to the outer girders of the equalizing beams via cross-connector interfaces.
  • Fig. 1 shows a perspective illustration of an embodiment of an equalizing beam 1 according to the invention.
  • the equalizing beam 1 comprises an outer beam 11, which in the illustration faces to the rear to the right.
  • An inner carrier 12 is slidably mounted in the outer carrier 11.
  • the outer carrier 11 is formed by a profile element made of a metal material.
  • the profile element, which forms the outer support 11 of the embodiment shown, here comprises two chambers which are arranged one above the other.
  • the equalizing beam 1 is oriented as in the application on the construction site or in the installed state in a ceiling formwork system 100.
  • the surface delimiting the outer beam 11 at the top is the bearing surface 111.
  • This bearing surface 111 extends over the entire length of the outer beam 11 to both Sides of the recess that receives the inner support 12.
  • formwork elements are placed directly on the wing 111.
  • the surface delimiting the outer support 11 at the bottom is the base surface 112, which is shown in FIG Fig. 1 is covered.
  • the base surface 112 is the surface which is provided for connection to supports 2, which transfer the load from the equalizing beam 1.
  • a support interface S is arranged on the base surface 112 at the end of the external support 11 facing forward toward the viewer and at its opposite end. These support interfaces S are provided for the direct or indirect connection of the equalizing beam to supports which have a support head 21 that matches the support interfaces S.
  • the two support interfaces S are provided for an at least partially form-fitting connection with special supports of the ceiling formwork system 100. All other points on the base surface 112, for example between the support interfaces S, can likewise or alternatively be arranged at any point, which supports have an upwardly facing, flat surface without a special interface.
  • the equalizing beam 1 can thus also be combined with simple aids for the construction of a ceiling formwork.
  • the outer support 11 has a recess in its interior, oriented in the longitudinal direction. In the case shown, this recess is formed by two profile chambers.
  • the outer wearer points to both of his foreheads each end on an insertion opening which is connected to the recess.
  • the inner support 12 is pushed into the outer support 11 through the insertion opening facing to the front left.
  • the inner carrier 12 could also be pushed in at the opposite end of the outer carrier 11.
  • the inner support 12 is delimited at the top by an additional support surface 121 which extends over the entire length of the inner support 12.
  • the inner support is delimited by the additional base surface 122, which likewise extends over the entire length of the inner support 12.
  • a further support interface S is arranged on the additional base surface 122 at the front end of the inner support facing the viewer.
  • the inner support 12 comprises two spaced apart rods 124a and 124b which are aligned parallel to one another. These rods 124a, 124b are connected at their two ends by terminating elements 124c.
  • the additional support surface 121 is arranged on the upper rod 124a.
  • the fixing openings 123 are arranged at a regular distance from one another and serve to releasably fix the inner support 12 in the outer support 11.
  • a fixing guide 113 designed as an elongated hole is arranged on the outer support 11. This fixing guide 113 is located in one of the two side surfaces, which are each arranged at right angles to the support surface 111 and to the base surface 112.
  • the fixing element 13 which is designed here as a cylindrical pin, is pushed into the fixing guide 113 and one of the fixing openings 123.
  • the fixing element 13 is displaceable over the length of the fixing guide 113, which is designed as an elongated hole, in the longitudinal direction of the carrier.
  • the fixing guide 113 can also be designed as a cylindrical hole, in which case, however, no fine adjustment of the length of the compensating beam 1 is possible.
  • a coupling 114 is arranged at the front end of the outer support 11, which is formed by a welded-on pipe piece with a circular outer cross-section.
  • a coupling receptacle 115 is attached to the same side surface, which is formed by a welded-on pipe piece with a square internal cross-section. Coupling 114 and coupling receptacle 115 are used to connect two or more equalizing beams 1 together.
  • a coupling 114 and a coupling receptacle 115 can also be present on the opposite side surface of the external support 12.
  • a fastening strip 14 is pushed into the recess.
  • This fastening strip 14 has an upwardly oriented fastening surface 141.
  • This fastening surface 141 is set back slightly in relation to the support surface 111 when the fastening strip 14 is pushed in.
  • the fastening strip 14 can be displaced within the recess of the external beam 12 and is used to fix or fasten formwork elements which are placed on the equalizing beam 1.
  • the fastening strip 14 is made of plastic here.
  • nails can be driven into the fastening strip 14 through the formwork elements.
  • areas of the supporting surface 111 can also be designed in such a way that nails for fastening formwork elements can be driven directly into these areas of the supporting surface 111.
  • Fig. 2 shows a plan view of two embodiments of an equalizing beam 1 according to the invention.
  • the equalizing beam 1 shown above corresponds to that in FIG Fig. 1 Equalizing beam 1 shown.
  • a coupling receptacle 115 is arranged at the right end of the outer carrier 11 and a coupling 114 is arranged at the left end of the outer carrier 11.
  • the in Fig. 2 Equalizing beam 1 shown below also has a coupling 114 and a coupling receptacle 115, these two elements, however, being arranged on the opposite side surface with respect to the equalizing beam 1 shown above.
  • the coupling 114 is arranged on the right end of the outer carrier 11 and the coupling receptacle 115 is arranged on the left end. Based on the state shown in Fig. 2 the two equalizing beams 1 can be moved towards one another until the two couplings 114 penetrate into the two coupling receptacles 115. In this way, a stable connection between the two equalizing beams 1 can be established. This connection is created by a plug connection from the two combinations of coupling 114 and coupling receptacle 115.
  • the securing elements 1151 of the coupling receptacles 115 can be brought into engagement with the securing receptacles 1141 of the couplings 114 to secure the connection.
  • the securing elements 1151 are pivotable Brackets formed, which are arranged captive on the coupling receptacles 115.
  • the securing receptacles 1141 are formed by simple, flat wrench surfaces on the outside of the couplings 114.
  • the illustrated embodiments can also be arranged on both side surfaces of the outer support 11, couplings 114 and coupling receptacles 115.
  • couplings 114 and coupling receptacles 115 are arranged on both side surfaces, several equalizing beams 1 can be connected in parallel and the distance from one another. Such a combination of several equalizing beams 1 is more stable than a single equalizing beam 1 when used.
  • Fig. 3 shows a perspective partial view of the outer beam 11 of an embodiment of an equalizing beam 1 according to the invention.
  • Fig. 3 shows a front end of an embodiment of an outer carrier 11.
  • the outer carrier 11 is designed as a profile element with several chambers K1, K2, K3.
  • the first chamber K1 is directed upwards when used and accommodates a part, in particular the upper rod 124a, of the inner support.
  • the first chamber K1 has an opening to the support surface 111. This opening is designed in such a way that dirt that has penetrated into the chamber K1, such as, for example, concrete residues, sand or the like, can be removed from the chamber with a simple tool.
  • the opening also offers the possibility of reaching the fastening surface 141 of an inserted fastening strip 14.
  • a fastening strip 14 is shown in Fig. 3 not shown.
  • a second chamber K2 is arranged below the first chamber K1, which is also used to guide part of the inner support 11, in particular to guide the second rod 124b.
  • the two chambers K1 and K2 form the recess which the outer support 11 runs through in the longitudinal direction.
  • a third chamber K3 is arranged below the second chamber K2. This third chamber K3 is separated from the second chamber K2 by a partition.
  • the base surface 112 is located on the edge of the third chamber K3 facing downwards.
  • a support interface S is arranged on the front end of this base surface 112. This support interface S here has several recesses S1 and several projections S2.
  • the recesses S1 and the projections S2 together form a geometric shape of the support interface S, which for a positive connection with a Support head 21 is provided.
  • This shape of the support interfaces S with recesses S1 and projections S2 can be produced, for example, in that these elements are machined from the profile element which forms the outer carrier 11 by laser cutting, milling or similar processing methods.
  • the profile element which forms the outer support 11 is made from an iron-based material or an aluminum alloy.
  • the third chamber K3 has an opening to the base surface 112. Adjacent to this opening there is an eyelet recess in the interior of the chamber K3 which is provided for receiving one or more eyelet elements 116. Such an eyelet element 116 is shown on the edge of the outer support 11.
  • the fastening part 1161 of the eyelet element 116 which is held in place in the third chamber K3 by an undercut which is formed from the chamber K3 and its opening to the base surface 112.
  • the actual eyelet 1162 which is firmly or flexibly connected to the fastening part 1161, is located below the base surface 112.
  • the fastening part 1161 can be brought in different ways along the third chamber K3 and thus in different positions.
  • the fastening part 1161 can be clamped non-positively at any point in the chamber K3, as a result of which the position of the eyelet element 116 is fixed.
  • the external support 11 Via the eyelet 1162, the external support 11 can be connected or braced with other elements or with parts of the building when used.
  • the load dissipation from the outer beam 11 can be further improved by such a bracing. It is also possible to arrange several eyelet elements 116 on an outer support 11.
  • Fig. 4 shows a perspective partial view of an embodiment of an equalizing beam 1 according to the invention connected to a support head 21.
  • one end of an equalizing beam 1 can be seen.
  • the inner support 12 protrudes beyond the outer support 11.
  • the supporting surface 111 and the additional supporting surface 121 form a common plane for supporting formwork elements.
  • part of a prop head 21 of a prop 2 can be seen, which is connected to the equalization beam 1 via two support interfaces S.
  • the support interfaces S of the inner support are located at the end of the inner support 1 facing to the left. This second one too
  • the support interface S is positively connected to elements of the head receptacle 211 of the support head 21.
  • the required form fit is produced by interlocking the projections S2 and recesses S1 of the support interfaces S with elements of the head receptacle 211.
  • Fig. 5 shows a perspective view of an embodiment of a ceiling formwork system 100 according to the invention.
  • the ceiling formwork system 100 shown has a large number of standard elements of a ceiling formwork.
  • Several standardized formwork panels are arranged on standard carriers which in turn are held and positioned by supports 2.
  • a cutout can be seen, on which a compensating beam 1 is arranged.
  • the recess is in the formwork elements, there could be, for example, a geometric irregularity in the building in which a ceiling is to be poured. For this reason, the recess must be individually provided with formwork elements.
  • an equalizing beam 1 is used, which is already supported on three supports 2 here.
  • Each of these supports 2 has a support head 21 which is connected to a support interface S of the equalizing beam.
  • Two supports 2 are attached to the support interfaces S of the external support 11 and one support 2 is attached to the support interfaces S of the partially extended internal support 11.
  • Formwork elements can be placed directly on the total supporting surface formed jointly by the supporting surface 111 and the additional supporting surface 121.
  • the partially extended equalizing beam 1 has a length that differs from that of the standard beams.
  • the equalizing beam 1 can be set to a wide variety of lengths, which means that edge areas of the ceiling formwork can be supported and positioned flexibly and individually.
  • Fig. 6 shows a perspective, simplified representation of an embodiment of a ceiling formwork system 100 according to the invention
  • Fig. 6 a ceiling formwork system 100 under construction can be seen, which is arranged in the corner of a room of a building.
  • Formwork elements in standard sizes have already been placed on the ceiling formwork system 100 at the lower and right-hand edge of the illustration.
  • the remaining corner, in which no formwork elements have yet been placed has dimensions in the illustrated case that cannot be formed with standard elements.
  • the standard elements cannot be combined to the remaining shape and size.
  • several equalizing beams 1 To accommodate formwork elements in this remaining area, several equalizing beams 1 have already been attached. In reality, the infill beams 1 are each connected to several supports 2, which are shown in FIG Fig. 6 however, are not shown for the sake of clarity.
  • a total of five equalizing beams 1 with partially extended inner beams 12 are arranged.
  • Four of these equalizing beams 1 are directly connected to one another via combinations of coupling 114 and coupling receptacle 115. There is only a small distance between these compensating beams 1 connected in this way.
  • the fifth equalization beam 1, which is arranged on the far right, is arranged at a greater distance from the four interconnected equalization beams 1.
  • this connection can be made via cross connectors, which are attached to the corresponding side surfaces of the equalizing beams 1 via cross connector interfaces. Such cross connectors are in Fig. 6 not shown.
  • an equalizing beam 1 can be arranged in the most varied of spatial directions, so that many different shapes of edge areas or corners of the room can be filled from a combination of differently oriented equalizing beams 1. This is a decisive advantage of an equalizing beam 1 over the prior art, in which ceiling formwork systems mostly consist of beams that can only be positioned in one spatial direction or in one alignment with one another.
  • the equalizing beams 1 in the ceiling formwork system 100 shown thus enable the support and positioning of formwork elements of the most varied of geometries. Based on the in Fig.
  • individually cut formwork elements can then be applied to the already positioned and secured equalizing beam 1. If necessary, these individual formwork elements can also be attached to the equalizing beams 1, for example with the aid of one or more of the to Fig. 1 fastening strips 14. After the individual formwork elements have been applied to the infill beams 1, the ceiling formwork system 100 is completely assembled and the ceiling of the building section can be poured.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP21155191.6A 2020-02-10 2021-02-04 Support de compensation Pending EP3862510A1 (fr)

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DE202020100700.9U DE202020100700U1 (de) 2020-02-10 2020-02-10 Ausgleichsträger

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US11306492B2 (en) 2016-06-24 2022-04-19 Apache Industrial Services, Inc Load bearing components and safety deck of an integrated construction system
DE102021126176A1 (de) 2021-10-08 2023-04-13 Peri Se Vorrichtung zum Aufbau einer Außenecke einer Deckenschalung, Deckenschalung, Horizontalträger, Stützkopf und Höhenausgleichselement und Abspannadapter und Verfahren zum Aufbau einer Außenecke einer Deckenschalung

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US11692362B2 (en) 2023-07-04
US20210246673A1 (en) 2021-08-12
CN113250450A (zh) 2021-08-13
CA3108423A1 (fr) 2021-08-10

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