EP3274522A1 - Formwork beam and concrete formwork having this formwork beam - Google Patents

Formwork beam and concrete formwork having this formwork beam

Info

Publication number
EP3274522A1
EP3274522A1 EP16716495.3A EP16716495A EP3274522A1 EP 3274522 A1 EP3274522 A1 EP 3274522A1 EP 16716495 A EP16716495 A EP 16716495A EP 3274522 A1 EP3274522 A1 EP 3274522A1
Authority
EP
European Patent Office
Prior art keywords
side wall
groove
formwork support
formwork
support according
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.)
Granted
Application number
EP16716495.3A
Other languages
German (de)
French (fr)
Other versions
EP3274522B1 (en
Inventor
Stefan GLÖTZL
Michael Schwarzinger
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.)
Voestalpine Krems Finaltechnik GmbH
Original Assignee
Voestalpine Krems Finaltechnik 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 Voestalpine Krems Finaltechnik GmbH filed Critical Voestalpine Krems Finaltechnik GmbH
Publication of EP3274522A1 publication Critical patent/EP3274522A1/en
Application granted granted Critical
Publication of EP3274522B1 publication Critical patent/EP3274522B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0465—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section square- or rectangular-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
    • 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
    • E04G2011/505—Girders, beams, or the like as supporting members for forms with nailable or screwable inserts

Definitions

  • the invention relates to a formwork support with at least one nailable strip, with at least one fastening means and with a metallic hollow profile having a plurality of side walls and forms with its profile limbs a longitudinal groove, which longitudinal groove in at least one of its groove walls has at least one groove wall opening, wherein in the Longitudinal groove provided strip is secured by the groove wall opening projecting through releasable fastening means on the hollow profile.
  • the invention is therefore based on the object to improve an initially described formwork support with a metallic hollow profile in such a constructive way that this defy even adverse influences and thus can have a high stability.
  • the formwork support should have a comparatively high dimensional stability.
  • the invention solves the problem set by the fact that the hollow profile is formed closed and formed on a first side wall by the profile leg, the longitudinal groove, wherein at least one of these first side wall inclined subsequent further side wall is excluded at the level of the groove wall opening of the longitudinal groove and thus an access opening for forms the releasable fastener.
  • the hollow profile is designed to be closed and forms the longitudinal groove on a first side wall through its profile limb, a dimensionally stable receptacle for a nailable strip can firstly be created, which can absorb even high mechanical impact loads without deformation and thus reliably ablate it. If, in addition, at least one additional sidewall adjoining this first side wall is recessed at the level of the groove wall opening of the longitudinal groove in order to form an access opening for the releasable fastening means, then the possibility of opening the fastening means, in particular their actuating elements, against adversities when using the formwork support to protect.
  • the inclined adjoining side wall can lead away or guide away a hydraulically curable composition, for example concrete, which flows possibly over the formwork carrier, away from the fastening means, so that the attachment means always remain free from contamination - and thus their solubility is not impeded or prevented.
  • a hydraulically curable composition for example concrete, which flows possibly over the formwork carrier, away from the fastening means, so that the attachment means always remain free from contamination - and thus their solubility is not impeded or prevented.
  • the formwork support according to the invention can thus ensure a long service life and also easier maintenance or use.
  • the installation and / or maintenance of the formwork support can be further simplified if the access opening in its diameter is greater than the groove wall opening.
  • the fastening means can be guided from the outside through the access opening in the direction of the groove wall opening easier to attach the nailable bar on the formwork support.
  • the size of the access opening is selected such that the tool associated with the fastening means can be guided through the passage opening with the fastening means in order to drive the fastening means into the nailable strip.
  • the access opening and the groove wall opening are arranged in alignment with one another, this can further facilitate the assembly and maintenance of the formwork support. In particular, the tool accessibility to the groove wall opening can thus be facilitated.
  • the nailable strip can be fastened at regular intervals - and thus a more stable connection can be created.
  • a two-sided attachment of the nailable bar on the formwork support can be made possible if at least one groove wall opening for fastening means are provided on both groove walls of the longitudinal groove, wherein the two adjoining the first side wall side walls each form at the level of the respective groove wall opening an access opening for the respective releasable fastening means ,
  • the opposing, releasable fastening means can be arranged offset from each other in the longitudinal direction of the formwork support.
  • the head of the fastening means can be concealed in the hollow profile. It may already be sufficient for this further side wall, which adjoins the first side wall, to extend at the level of the groove wall opening of the longitudinal groove. This can further reduce the risk of contamination to the fastener by a downwardly flowing hydraulically settable composition.
  • the actuating elements for example a screw head
  • the fastening means for example a screw
  • the dimensional stability and thus the stability of the formwork support can be further improved if the hollow profile has a rectangular cross-section whose narrow side forms the first side wall.
  • the first and the respective adjoining the first side wall side wall may be arranged perpendicular to each other to allow a relatively high dimensional stability on the formwork support.
  • this can facilitate the handling of the formwork support, because the stackability and thus the transport safety can be increased by this constructive design according to the invention.
  • the mounting with respect to the fastening means can be facilitated if the releasable fastening means is designed as a self-tapping screw with a polygonal head. In addition, by the execution of the screw head, a shearing of the screw can be made possible, whereby the bar can be maintained even with stuck screw.
  • the side wall adjoining the first side wall has a longitudinal bead below the access opening, a gripping surface for easier handling of the formwork support can be created.
  • the dimensional stability of the formwork support can be further increased.
  • the handling of the formwork support can be further improved if the longitudinal bead is formed semicircular - because it can be used so that among other things easier.
  • At least one side wall adjoining the first side wall, in particular in the middle, has a row of holes with an inwardly curved opening edge, this can lead to a further increase in dimensional stability of the formwork support and at the same time to a weight saving on the formwork support - in particular if the row of holes is centered is arranged.
  • this row of holes can be provided on both adjacent side walls and arranged in alignment.
  • Replacing the nailable strip can be facilitated by the profile legs of the first side wall form a undercut-free longitudinal groove. In remote fasteners, the strip can then be lifted in a simple manner from the longitudinal groove.
  • the strip can contribute to increasing the contact surface on the formwork support - and thus improve the support of the concrete formwork elements. If the longitudinal groove is provided centrally on the first side wall, this can serve the dimensional stability of the formwork support. Comparatively high loads when nailing the strip can namely be introduced symmetrically into the formwork support.
  • the formwork support itself can be attached relatively easily to a substructure if it forms with its third side wall, which is opposite to the first side wall, a T-shaped groove for connecting means.
  • the formwork support according to the invention may preferably be used in a concrete formwork with a formwork element by this is provided on the back of the formwork element, wherein the formwork element attached to the bar of the formwork support, in particular with this nailed is.
  • Fig. 1 is a side view of a partially shown concrete formwork with a formwork support
  • a formwork support 1 is shown to a concrete formwork 100 partially shown.
  • This formwork support 1 has a nailable strip 2, for example, wooden strip, which is connected via a plurality of fastening means 3 with the metallic hollow section 4 of the formwork support 1.
  • a longitudinal groove 6 is provided on the first side wall 5 of the hollow section 4, in which the nailable strip 2 is inserted.
  • This longitudinal groove 6 is formed by profile legs 7 of the first side wall 5.
  • the nailable bar is in the longitudinal groove 6 attached - this, the groove walls 9 of the longitudinal groove 6 a plurality of groove wall openings 10, through which the respective fastening means 3 protrude.
  • the bar can rest on the groove base 24, which has not been shown in detail.
  • the hollow profile 4 is executed shot, as can be seen in Fig. 2.
  • the longitudinal groove 6 is formed to profile limbs 7 of the first side wall 5 and is therefore designed to be particularly mechanically stable.
  • the closed hollow profile 4 shows two sidewalls 1 1, 16 adjoining this first sidewall 5, with which the fastening means 3 are covered or substantially shielded from the outside of the hollow profile or respectively. In order not to complicate the accessibility of the fastening means 3, these side walls 1 1, 16 are excluded in the height of the groove wall openings 10 and forms access openings 12 there.
  • the screw 13 may for example be designed as a wood screw. Due to the corresponding design of the access openings 12, the actuators of the fastening means 3 remain accessible.
  • the access openings 12 have a larger diameter than the groove wall openings 10. This can ensure that the fastening means 3 can be guided through the access openings 12, which facilitates the mounting of the nailable strip 2 in the longitudinal groove 6.
  • the access openings 12 are made in such a diameter that even - not shown - - tool for providing the fasteners 3 can be inserted through the access openings 12 in the hollow profile.
  • Fig. 2 can be further recognized that adjoining this first side wall 5 side walls 1 1, 1 6 are spaced from the groove wall 9 - wherein these parallel to each other.
  • the longitudinal groove 6 is provided centrally on the first narrow side 5 or is formed by this first narrow side 5.
  • both the groove wall 9 and the side walls 1 1, 1 6 adjoining this first side wall 5 each have aligned rows of groove wall openings 10 and access openings 12.
  • the nailable strip 2 can be fixed to the hollow profile 4 as needed.
  • the first side wall 5 and the two side walls 1 1, 1 6 adjoining the first side wall 5 are arranged at right angles to each other - and at a distance from the longitudinal groove 6 or its groove wall 9, so that the fastening means 3 from FIG Hollow profile 4 is added and thus protected.
  • the hollow profile 4 also has a rectangular cross section in order to stack the formwork support 1 stable.
  • the straps of the hollow profile 4 are formed by the first side wall 5 and a third side wall 14.
  • the first and third side wall 5, 14 are connected by the adjoining the first side wall 1 1, 1 6, which is mirror-symmetrical to each other and thus forming parallel webs on the hollow section 4.
  • longitudinal corrugations 17 are provided in the hollow section 4, which increase the dimensional stability of the hollow section 4 and at the same time form a gripping surface for better handling.
  • the longitudinal corrugations 17 are in this case designed semicircular.
  • the hollow profile at its two vertical side walls 1 1, 1 6 centrally a row of holes 18 with circular holes 19 which terminate in an inwardly curved opening edge 20 to ensure high torsional stiffness on the formwork support 1 despite weight reduction.
  • the longitudinal groove 6 formed by the profile limbs 7 of the first side wall 5 has in particular, as shown in Fig. 2, no undercuts and is therefore designed as undercut-free longitudinal groove 6. This allows a simple replacement of the nailable bar 2 in the longitudinal groove 6.
  • the nailable strip 2 is flush with the first side wall 5, resulting in a stable, comparatively large-area support for a shuttering element 21 to be mounted.
  • the hollow profile 4 forms with its third side wall 14 of a T-shaped groove 22.
  • a T-shaped groove 22 may be particularly suitable for receiving, not shown, connecting means.
  • connection means can serve for example for fastening the formwork support 1 to a frame.
  • a concrete formwork 100 is shown schematically, which has a formwork element 21 and a formwork support 1 according to the invention.
  • the formwork element 21 may in particular be a formwork panel made of a wood-like material.
  • the formwork element 21 is preferably nailed to the nailable bar 2 fastened in the formwork support 1.
  • the formwork element 21 is bolted to the nailable bar 2.

Landscapes

  • 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)

Abstract

What is shown is a concrete formwork (100) and a formwork beam (1) with at least one nailable strip (2), with at least one fastening means (3) and with a metallic hollow profile (4) which has a plurality of side walls (5, 11, 14, 16) and which forms a longitudinal groove (6) by way of its profile legs (7), which longitudinal groove (6) has at least one groove wall opening (10) in at least one of its groove walls (9), wherein the strip (2) provided in the longitudinal groove (6) is fastened to the hollow profile (4) by the releasable fastening means (3) projecting through the groove wall opening (10). In order to provide a more stable and user-friendly formwork beam (1), it is proposed that the hollow profile (4) has a closed design and forms the longitudinal groove (6) by its profile legs (7) at a first side wall (5), wherein at least one further side wall (11, 16), which adjoins this first side wall (5) at an inclination, is cut out at the level of the groove wall opening (10) of the longitudinal groove (6) and thus forms an access opening (12) for the releasable fastening means (3).

Description

Schalunqsträqer und Betonschalunq mit diesem Schalunqsträqer  Schalunqsträqer and Betonschalunq with this Schalunqsträqer
Technisches Gebiet Technical area
Die Erfindung betrifft einen Schalungsträger mit mindestens einer nagelbaren Leiste, mit mindestens einem Befestigungsmittel und mit einem metallischen Hohlprofil, das mehrere Seitenwände aufweist und das mit seinen Profilschenkeln eine Längsnut ausbildet, welche Längsnut in mindestens einer ihrer Nutwände wenigstens eine Nutwandöffnung aufweist, wobei die in der Längsnut vorgesehene Leiste durch das die Nutwandöffnung durchragende lösbare Befestigungsmittel am Hohlprofil befestigt ist. The invention relates to a formwork support with at least one nailable strip, with at least one fastening means and with a metallic hollow profile having a plurality of side walls and forms with its profile limbs a longitudinal groove, which longitudinal groove in at least one of its groove walls has at least one groove wall opening, wherein in the Longitudinal groove provided strip is secured by the groove wall opening projecting through releasable fastening means on the hollow profile.
Stand der Technik State of the art
Um einen Schalungsträger mit einem metallischen Hohlprofil, beispielsweise aus einem verzinkten Stahl- oder Aluminiumblech, für Schalungen im Bauwesen nagelbar auszustatten, ist aus dem Stand der Technik bekannt (EP0279049A2), eine nagelbare Leiste in eine Längsnut des Hohlprofils einzusetzen und darin zu befestigen. Letzteres wird mithilfe von Befestigungsmittel, die durch eine Nutwandöffnung der Nutwand der Längsnut in die Leiste eingetrieben sind, bewerkstelligt, wobei die Längsnut von Profilschenkeln des Hohlprofils ausgebildet wird. Nachteilig muss bei Verwendung derartiger Schalungsträger mit einer erheblichen Verschmutzung über seinen gesamten Querschnitt gerechnet werden, was beispielsweise von einer hydraulisch härtbaren Zusammensetzung herrühren kann, die Stoßlücken zwischen den Schalungsträgern durchfließt. Mit festsitzenden Befestigungsmitteln am Hohl- profil ist somit zu rechnen - was eine Wartung der nagelbaren Leiste am Schalungsträger erschwert bzw. behindert und zu Beschädigungen am Hohlprofil führen kann. Von einer verminderten Standfestigkeit des Schalungsträgers ist somit auszugehen. In order to equip a formwork support with a metallic hollow profile, for example from a galvanized steel or aluminum sheet, for formwork in the construction industry, is known from the prior art (EP0279049A2) to insert a nailable bar in a longitudinal groove of the hollow profile and to secure it. The latter is accomplished by means of fastening means which are driven by a groove wall opening of the groove wall of the longitudinal groove in the strip, wherein the longitudinal groove of profile legs of the hollow profile is formed. A disadvantage must be expected when using such formwork beams with a significant contamination over its entire cross-section, which may for example be due to a hydraulically curable composition that flows through impact gaps between the formwork beams. With fixed fasteners on the hollow profile is therefore expected - which makes maintenance of the nailable bar on the formwork carrier difficult or hindered and can lead to damage to the hollow profile. From a reduced stability of the formwork support is therefore assumed.
Darstellung der Erfindung Presentation of the invention
Die Erfindung hat sich daher die Aufgabe gestellt, einen eingangs geschilderten Schalungsträger mit einem metallischen Hohlprofil derart konstruktiv zu verbessern, dass dieser selbst widrigen Einflüssen trotzen und damit eine hohe Standfestigkeit aufweisen kann. Zudem soll der Schalungsträger eine vergleichsweise hohe Formstabilität aufweisen. The invention is therefore based on the object to improve an initially described formwork support with a metallic hollow profile in such a constructive way that this defy even adverse influences and thus can have a high stability. In addition, the formwork support should have a comparatively high dimensional stability.
Die Erfindung löst die gestellte Aufgabe dadurch, dass das Hohlprofil geschlossen ausgebildet ist und an einer ersten Seitenwand durch deren Profilschenkel die Längsnut ausbildet, wobei wenigstens eine an diese erste Seitenwand geneigt anschließende weitere Seitenwand auf Höhe der Nutwandöffnung der Längsnut ausgenommen ist und damit eine Zugangsöffnung für das lösbare Befestigungsmittel ausbildet. The invention solves the problem set by the fact that the hollow profile is formed closed and formed on a first side wall by the profile leg, the longitudinal groove, wherein at least one of these first side wall inclined subsequent further side wall is excluded at the level of the groove wall opening of the longitudinal groove and thus an access opening for forms the releasable fastener.
Ist das Hohlprofil geschlossen ausgebildet und bildet es an einer ersten Seitenwand durch deren Profilschenkel die Längsnut aus, kann zunächst eine formstabile Aufnahme für eine nagelbare Leiste geschaffen werden, die selbst hohe mechanische Schlagbelastungen verformungsfrei aufnehmen und damit sicher abtragen kann. Ist zudem wenigstens eine an diese erste Seitenwand geneigt anschließende weitere Seitenwand auf Höhe der Nutwandöffnung der Längsnut ausgenommen, um eine Zugangsöffnung für das lösbare Befestigungsmittel auszubilden, so kann sich die Möglichkeit eröffnen, die Befestigungsmittel, insbesondere deren Betätigungselemente, vor Widrigkeiten bei der Verwendung des Schalungsträgers zu schützen. Die geneigt anschließende Seitenwand kann nämlich eine eventuell über den Schalungsträger fließende hydraulisch härtbare Zusammensetzung, beispielsweise Beton, vom Befestigungsmittel wegführen bzw. wegleiten, sodass die Befestigungsmit- tel stets frei von Verschmutzung bleiben - und damit deren Lösbarkeit nicht erschwert oder verhindert wird. If the hollow profile is designed to be closed and forms the longitudinal groove on a first side wall through its profile limb, a dimensionally stable receptacle for a nailable strip can firstly be created, which can absorb even high mechanical impact loads without deformation and thus reliably ablate it. If, in addition, at least one additional sidewall adjoining this first side wall is recessed at the level of the groove wall opening of the longitudinal groove in order to form an access opening for the releasable fastening means, then the possibility of opening the fastening means, in particular their actuating elements, against adversities when using the formwork support to protect. Namely, the inclined adjoining side wall can lead away or guide away a hydraulically curable composition, for example concrete, which flows possibly over the formwork carrier, away from the fastening means, so that the attachment means always remain free from contamination - and thus their solubility is not impeded or prevented.
Dies kann nicht nur die Wartung des Schalungsträgers im Bereich der nagelbaren Leiste erleichtern, sondern auch das Hohlprofil frei von Beschädigungen halten, wenn es gilt, das Befestigungsmittel unter Benützung der Betätigungselemente zu entfernen - beispielsweise um eine verschlissene nagelbare Leiste vom Schalungsträger zu entfernen. Dies kann auch vergleichsweise handhabungsfreundlich sein, weil aufgrund der Zugangsöffnung das lösbare Befestigungsmittel betätigt werden kann bzw. diese Zugangsöffnung für das Betätigen des lösbaren Befestigungsmittels ausgebildet ist. Der erfindungsgemäße Schalungsträger kann somit eine hohe Standzeit und auch eine erleichterte Wartung bzw. Verwendung gewährleisten.  This can not only facilitate the maintenance of the formwork support in the area of the nailable bar, but also keep the hollow profile free of damage when it comes to remove the fastener using the actuators - for example, to remove a worn nailable bar from the formwork support. This can also be comparatively easy to handle, because due to the access opening, the releasable fastening means can be actuated or this access opening is designed for actuating the releasable fastening means. The formwork support according to the invention can thus ensure a long service life and also easier maintenance or use.
Die Montage und/oder Wartung des Schalungsträgers kann sich weiter vereinfachen, wenn die Zugangsöffnung in ihrem Durchmesser größer als die Nutwandöffnung ist. Dabei kann das Befestigungsmittel von der Außenseite her durch die Zugangsöffnung in Richtung der Nutwandöffnung einfacher geführt werden, um die nagelbare Leiste am Schalungsträger zu befestigen. Als besonders vorteilhaft kann sich hierbei herausstellen, wenn die Größe der Zugangsöffnung derart gewählt ist, dass das zum Befestigungsmittel zugehörige Werkzeug mit dem Befestigungsmittel durch die Durchgangsöffnung geführt werden kann, um das Befestigungsmittel in die nagelbarer Leiste einzutreiben. The installation and / or maintenance of the formwork support can be further simplified if the access opening in its diameter is greater than the groove wall opening. In this case, the fastening means can be guided from the outside through the access opening in the direction of the groove wall opening easier to attach the nailable bar on the formwork support. In this case, it may turn out to be particularly advantageous if the size of the access opening is selected such that the tool associated with the fastening means can be guided through the passage opening with the fastening means in order to drive the fastening means into the nailable strip.
Sind die Zugangsöffnung und die Nutwandöffnung fluchtend zueinander angeordnet, kann dies die Montage und Wartung des Schalungsträgers weiter erleichtern. Insbesondere kann damit die Werkzeugzugänglichkeit zur Nutwandöffnung erleichtert werden. If the access opening and the groove wall opening are arranged in alignment with one another, this can further facilitate the assembly and maintenance of the formwork support. In particular, the tool accessibility to the groove wall opening can thus be facilitated.
Weisen die Nutwand und mindestens eine an die erste Seitenwand anschließende Seitenwand je eine Lochreihe an Nutwandöffnungen bzw. Zugangsöffnungen auf, kann die Befestigung der nagelbaren Leiste in regelmäßigen Abständen erfolgen - und somit eine standfestere Verbindung geschaffen werden. Eine beidseitige Befestigung der nagelbaren Leiste am Schalungsträger kann ermöglicht werden, wenn an beiden Nutwänden der Längsnut je wenigstens eine Nutwandöffnung für Befestigungsmittel vorgesehen sind, wobei die beiden an die erste Seitewand anschließenden Seitenwände je auf Höhe der jeweiligen Nutwandöffnung eine Zugangsöffnung für das jeweilige lösbare Befestigungsmittel ausbilden. Vorzugsweise können die gegenüberliegenden, lösbare Befestigungsmittel gegeneinander in Längsrichtung des Schalungsträgers versetzt angeordnet sein. If the groove wall and at least one side wall adjoining the first side wall each have a row of holes at groove wall openings or access openings, the nailable strip can be fastened at regular intervals - and thus a more stable connection can be created. A two-sided attachment of the nailable bar on the formwork support can be made possible if at least one groove wall opening for fastening means are provided on both groove walls of the longitudinal groove, wherein the two adjoining the first side wall side walls each form at the level of the respective groove wall opening an access opening for the respective releasable fastening means , Preferably, the opposing, releasable fastening means can be arranged offset from each other in the longitudinal direction of the formwork support.
Verläuft die an die erste Seitenwand anschließende Seitenwand zur Nutwand beabstandet, kann der Kopf der Befestigungsmittel im Hohlprofil verdeckt angeordnet werden. Hierbei kann es bereits ausreichen, dass diese an die erste Seitenwand anschließende weitere Seitenwand auf Höhe der Nutwandöffnung der Längsnut beabstandet verläuft. Dies kann die Gefahr von Verunreinigung am Befestigungsmittel durch eine herabfließende hydraulisch härtbare Zusammensetzung weiter reduzieren. Durch diese vergleichsweise einfache Konstruktion können nämlich die Betätigungselemente, beispielsweise ein Schraubenkopf, am Befestigungsmittel, beispielsweise einer Schraube, vom Hohlprofil aufgenommen und damit geschützt oder auch frei von Verschmutzung bleiben. Die Standfestigkeit des Schalungsträgers noch weiter erhöht. Einfache Konstruktionsverhältnisse können sich ergeben, wenn die Seitenwand zur Nutwand parallel versetzt verläuft. If the side wall adjoining the first side wall is spaced apart from the groove wall, the head of the fastening means can be concealed in the hollow profile. It may already be sufficient for this further side wall, which adjoins the first side wall, to extend at the level of the groove wall opening of the longitudinal groove. This can further reduce the risk of contamination to the fastener by a downwardly flowing hydraulically settable composition. By virtue of this comparatively simple construction, the actuating elements, for example a screw head, on the fastening means, for example a screw, can be received by the hollow profile and thus protected or remain free from contamination. The stability of the formwork support is further increased. Simple construction conditions can result if the side wall is offset parallel to the groove wall.
Die Formstabilität und damit die Standfestigkeit des Schalungsträgers können weiter verbessert werden, wenn das Hohlprofil einen rechteckförmigen Querschnitt aufweist, dessen Schmalseite die erste Seitenwand ausbildet. Vorzugsweise können hierfür die erste und die jeweilige an die erste Seitenwand anschließende Seitenwand rechtwinkelig zueinander verlaufend angeordnet sein, um eine vergleichsweise hohe Formstabilität am Schalungsträger zu ermöglichen. Zudem kann sich damit die Handhabbarkeit des Schalungsträgers erleichtern, weil durch diese erfindungsgemäße konstruktive Ausbildung die Stapelbarkeit und damit auch die Transportsicherheit erhöht werden kann. Die Montage hinsichtlich des Befestigungsmittels kann erleichtert werden, wenn das lösbare Befestigungsmittel als selbstschneidende Schraube mit einem Mehrkantkopf ausgeführt ist. Zudem kann durch die Ausführung des Schraubenkopfs eine Abscheren der Schraube ermöglicht werden, wodurch die Leiste selbst bei festsitzender Schraube gewartet werden kann. The dimensional stability and thus the stability of the formwork support can be further improved if the hollow profile has a rectangular cross-section whose narrow side forms the first side wall. Preferably, for this purpose, the first and the respective adjoining the first side wall side wall may be arranged perpendicular to each other to allow a relatively high dimensional stability on the formwork support. In addition, this can facilitate the handling of the formwork support, because the stackability and thus the transport safety can be increased by this constructive design according to the invention. The mounting with respect to the fastening means can be facilitated if the releasable fastening means is designed as a self-tapping screw with a polygonal head. In addition, by the execution of the screw head, a shearing of the screw can be made possible, whereby the bar can be maintained even with stuck screw.
Weist die an die erste Seitenwand anschließende Seitenwand unterhalb der Zugangsöffnung eine Längssicke auf, kann eine Grifffläche zur leichteren Handhabung des Schalungsträgers geschaffen werden. Zudem kann damit die Formstabilität des Schalungsträgers weiter erhöht werden. Die Handhabung des Schalungsträgers kann weiter verbessert werden, wenn die Längssicke halbrund ausgebildet ist - da sie damit unter anderem leichter gegriffen werden kann. If the side wall adjoining the first side wall has a longitudinal bead below the access opening, a gripping surface for easier handling of the formwork support can be created. In addition, thus the dimensional stability of the formwork support can be further increased. The handling of the formwork support can be further improved if the longitudinal bead is formed semicircular - because it can be used so that among other things easier.
Weist mindestens eine, an die erste Seitenwand anschließende Seitenwand, insbesondere mittig, eine Lochreihe mit einem nach innen gebogenen Öffnungsrand auf, so kann dies zu einer weiteren Erhöhung der Formstabilität des Schalungsträgers und gleichzeitig zu einer Gewichtseinsparung am Schalungsträger führen - insbesondere, wenn die Lochreihe mittig angeordnet ist. Vorzugsweise kann diese Lochreihe an beiden angrenzenden Seitenwänden vorgesehen und in Flucht angeordnet sein. If at least one side wall adjoining the first side wall, in particular in the middle, has a row of holes with an inwardly curved opening edge, this can lead to a further increase in dimensional stability of the formwork support and at the same time to a weight saving on the formwork support - in particular if the row of holes is centered is arranged. Preferably, this row of holes can be provided on both adjacent side walls and arranged in alignment.
Ein Austauschen der nagelbaren Leiste kann dadurch erleichtert werden, indem die Profilschenkel der ersten Seitenwand eine hinterschneidungsfreie Längsnut ausbilden. Bei entfernten Befestigungsmitteln kann die Leiste dann nämlich auf einfache Weise aus der Längsnut abgehoben werden. Replacing the nailable strip can be facilitated by the profile legs of the first side wall form a undercut-free longitudinal groove. In remote fasteners, the strip can then be lifted in a simple manner from the longitudinal groove.
Verläuft die in der Längsnut vorgesehene nagelbare Leiste plan mit der ersten Seitenwand, kann die Leiste zur Vergrößerung der Auflagefläche am Schalungsträger beitragen - und damit die Abstützung der Betonschalelemente verbessern. Ist die Längsnut mittig an der ersten Seitenwand vorgesehen, kann dies der Formstabilität des Schalungsträgers dienlich sein. Vergleichsweise hohe Belastungen beim Nageln der Leiste können nämlich damit symmetrisch in den Schalungsträger eingeleitet werden. If the nailable strip provided in the longitudinal groove runs flush with the first side wall, the strip can contribute to increasing the contact surface on the formwork support - and thus improve the support of the concrete formwork elements. If the longitudinal groove is provided centrally on the first side wall, this can serve the dimensional stability of the formwork support. Comparatively high loads when nailing the strip can namely be introduced symmetrically into the formwork support.
Der Schalungsträger selbst kann verhältnismäßig einfach an einer Unterkonstruktion befestigt werden, wenn dieser mit seiner dritten Seitenwand, die der ersten Seitenwand gegenüberliegt, eine T-förmige Nut für Verbindungsmittel ausbildet. The formwork support itself can be attached relatively easily to a substructure if it forms with its third side wall, which is opposite to the first side wall, a T-shaped groove for connecting means.
Der erfindungsgemäße Schalungsträger kann vorzugsweise bei einer Betonschalung mit einem Schalungselement verwendet werden, indem dieser auf der Rückseite des Schalungselements vorgesehenen wird, wobei das Schalungselement an der Leiste des Schalungsträgers befestigt, insbesondere mit dieser vernagelt, ist. The formwork support according to the invention may preferably be used in a concrete formwork with a formwork element by this is provided on the back of the formwork element, wherein the formwork element attached to the bar of the formwork support, in particular with this nailed is.
Kurze Beschreibung der Zeichnungen Brief description of the drawings
In den Figuren ist beispielsweise der Erfindungsgegenstand anhand einer Ausführungsvariante näher dargestellt. Es zeigen In the figures, for example, the subject invention is illustrated in more detail with reference to a variant embodiment. Show it
Fig. 1 eine Seitenansicht auf eine teilweise dargestellte Betonschalung mit einem Schalungsträger und  Fig. 1 is a side view of a partially shown concrete formwork with a formwork support and
Fig. 2 eine abgerissene Schnittansicht nach II-II des Schalungsträgers nach Fig. 1 . Weg zur Ausführung der Erfindung  2 a torn-off sectional view according to II-II of the formwork support according to FIG. 1. Way to carry out the invention
Gemäß den Figuren 1 und 2 wird beispielsweise ein Schalungsträger 1 zu einer teilweise dargestellten Betonschalung 100 gezeigt. Dieser Schalungsträger 1 weist eine nagelbare Leiste 2, beispielsweise Holzleiste, auf, die über mehrere Befestigungsmittel 3 mit dem metallischen Hohlprofil 4 des Schalungsträgers 1 verbunden ist. Und zwar ist auf der ersten Seitenwand 5 des Hohlprofils 4 eine Längsnut 6 vorgesehen, in die die nagelbare Leiste 2 eingesetzt ist. Diese Längsnut 6 wird von Profilschenkeln 7 der ersten Seitenwand 5 ausgebildet. Die nagelbare Leiste ist in der Längsnut 6 befestigt - hierzu weisen die Nutwände 9 der Längsnut 6 mehrere Nutwandöffnungen 10 auf, durch welche die jeweiligen Befestigungsmittel 3 ragen. Die Leiste kann am Nutgrund 24 aufliegen, was nicht näher dargestellt worden ist. According to the figures 1 and 2, for example, a formwork support 1 is shown to a concrete formwork 100 partially shown. This formwork support 1 has a nailable strip 2, for example, wooden strip, which is connected via a plurality of fastening means 3 with the metallic hollow section 4 of the formwork support 1. Namely, a longitudinal groove 6 is provided on the first side wall 5 of the hollow section 4, in which the nailable strip 2 is inserted. This longitudinal groove 6 is formed by profile legs 7 of the first side wall 5. The nailable bar is in the longitudinal groove 6 attached - this, the groove walls 9 of the longitudinal groove 6 a plurality of groove wall openings 10, through which the respective fastening means 3 protrude. The bar can rest on the groove base 24, which has not been shown in detail.
Um die Befestigungsmittel 3 gegenüber Verschmutzung zu schützen, ist das Hohlprofil 4 geschossen ausgeführt, wie dies in Fig. 2 erkannt werden kann. Die Längsnut 6 wird dazu von Profilschenkeln 7 der ersten Seitenwand 5 ausgebildet und ist daher mechanisch besonders stabil ausgeführt. Außerdem zeigt das geschlossene Hohlprofil 4 zwei an diese erste Seitenwand 5 geneigt anschließende Seitenwände 1 1 , 16, womit die Befestigungsmittel 3 überdeckt bzw. im Wesentlichen vom Äußeren des Hohlprofils bzw. abgeschirmt sind. Um die Zugänglichkeit der Befestigungsmittel 3 nicht zu erschweren, sind diese Seitenwände 1 1 , 16 in der Höhe der Nutwandöffnungen 10 ausgenommen und bildet dort Zugangsöffnungen 12 aus. Das in Fig. 2 dargestellte Befestigungsmittel 3 ist beispielsweise als selbstschneidend Schraube 13 mit Mehrkantkopf 23, insbesondere Sechskantkopf, als Betätigungselement am Befestigungsmittel 3. Die Schraube 13 kann beispielsweise als Holzschraube ausgeführt sein. Durch die dementsprechende Ausbildung der Zugangsöffnungen 12 bleiben die Betätigungselemente der Befestigungsmittel 3 zugänglich. In order to protect the fastening means 3 against contamination, the hollow profile 4 is executed shot, as can be seen in Fig. 2. The longitudinal groove 6 is formed to profile limbs 7 of the first side wall 5 and is therefore designed to be particularly mechanically stable. In addition, the closed hollow profile 4 shows two sidewalls 1 1, 16 adjoining this first sidewall 5, with which the fastening means 3 are covered or substantially shielded from the outside of the hollow profile or respectively. In order not to complicate the accessibility of the fastening means 3, these side walls 1 1, 16 are excluded in the height of the groove wall openings 10 and forms access openings 12 there. The fastening means 3 shown in FIG. 2 is, for example, as a self-tapping screw 13 with polygonal head 23, in particular hexagonal head, as an actuating element on the fastening means 3. The screw 13 may for example be designed as a wood screw. Due to the corresponding design of the access openings 12, the actuators of the fastening means 3 remain accessible.
Wie in Fig. 2 gezeigt, weisen die Zugangsöffnungen 12 einen größeren Durchmesser als die Nutwandöffnungen 10 auf. Dadurch kann gewährleistet werden, dass die Befestigungsmittel 3 durch die Zugangsöffnungen 12 geführt werden können, was die Montage der nagelbaren Leiste 2 in der Längsnut 6 erleichtert. Vorzugsweise sind die Zugangsöffnungen 12 derart im Durchmesser ausgeführt, dass auch ein - nicht näher dargestelltes - Werkzeug zum Vorsehen der Befestigungsmittel 3 durch die Zugangsöffnungen 12 in das Hohlprofil eingeführt werden kann. As shown in FIG. 2, the access openings 12 have a larger diameter than the groove wall openings 10. This can ensure that the fastening means 3 can be guided through the access openings 12, which facilitates the mounting of the nailable strip 2 in the longitudinal groove 6. Preferably, the access openings 12 are made in such a diameter that even - not shown - - tool for providing the fasteners 3 can be inserted through the access openings 12 in the hollow profile.
In Fig. 2 kann weiter erkannt werden, dass die an diese erste Seitenwand 5 anschließende Seitenwände 1 1 , 1 6 von der Nutwand 9 beabstandet sind - wobei diese parallel zueinander verlaufen. Die Längsnut 6 ist dabei mittig an der ersten Schmalseite 5 vorgesehen bzw. wird von dieser ersten Schmalseite 5 ausgebildet. In Fig. 2 can be further recognized that adjoining this first side wall 5 side walls 1 1, 1 6 are spaced from the groove wall 9 - wherein these parallel to each other. The longitudinal groove 6 is provided centrally on the first narrow side 5 or is formed by this first narrow side 5.
Wie insbesondere in Fig. 1 zu erkennen, weisen sowohl die Nutwand 9, als auch die an diese erste Seitenwand 5 anschließende Seitenwände 1 1 , 1 6 jeweils zueinander fluchtende Lochreihen von Nutwandöffnungen 10 bzw. Zugangsöffnungen 12 auf. Dadurch kann je nach Bedarf die nagelbare Leiste 2 am Hohlprofil 4 fixiert werden. As can be seen in particular in FIG. 1, both the groove wall 9 and the side walls 1 1, 1 6 adjoining this first side wall 5 each have aligned rows of groove wall openings 10 and access openings 12. As a result, the nailable strip 2 can be fixed to the hollow profile 4 as needed.
Wie in Fig. 2 weiter zu entnehmen, sind die erste Seitenwand 5 und die an die erste Seitenwand 5 anschließenden beiden Seitenwände 1 1 , 1 6 rechtwinkelig zueinander angeordnet - sowie auf Abstand zur Längsnut 6 bzw. deren Nutwand 9, sodass die Befestigungsmittel 3 vom Hohlprofil 4 aufgenommen und damit geschützt werden. As can further be seen in FIG. 2, the first side wall 5 and the two side walls 1 1, 1 6 adjoining the first side wall 5 are arranged at right angles to each other - and at a distance from the longitudinal groove 6 or its groove wall 9, so that the fastening means 3 from FIG Hollow profile 4 is added and thus protected.
Das Hohlprofil 4 weist zudem einen rechteckförmigen Querschnitt auf, um den Schalungsträger 1 standsicher stapeln zu können. Dabei werden die Gurte des Hohlprofils 4 durch die erste Seitenwand 5 und eine dritte Seitenwand 14 ausgebildet. Die erste und dritte Seitenwand 5, 14 werden durch die an die erste anschließende Seitenwand 1 1 , 1 6 verbunden, welche spiegelsymmetrisch zueinander ausgeführt ist und damit parallel verlaufende Stege am Hohlprofil 4 ausbilden. The hollow profile 4 also has a rectangular cross section in order to stack the formwork support 1 stable. In this case, the straps of the hollow profile 4 are formed by the first side wall 5 and a third side wall 14. The first and third side wall 5, 14 are connected by the adjoining the first side wall 1 1, 1 6, which is mirror-symmetrical to each other and thus forming parallel webs on the hollow section 4.
Unterhalb der Zugangsöffnungen 12 sind in dem Hohlprofil 4 zusätzlich Längssicken 17 vorgesehen, die die Formstabilität des Hohlprofils 4 erhöhen und zugleich eine Grifffläche zur besseren Handhabung ausbilden. Die Längssicken 17 sind hierbei halbrund ausgestaltet. Below the access openings 12 additional longitudinal beads 17 are provided in the hollow section 4, which increase the dimensional stability of the hollow section 4 and at the same time form a gripping surface for better handling. The longitudinal corrugations 17 are in this case designed semicircular.
Zusätzlich zu den Längssicken 17 weist das Hohlprofil an seinen beiden vertikalen Seitenwänden 1 1 , 1 6 mittig eine Lochreihe 18 mit kreisrunden Löcher 19 auf, die in einem nach innen gebogenen Öffnungsrand 20 auslaufen, um trotz Gewichtsreduktion hohe Verwindungssteifigkeit am Schalungsträger 1 zu gewährleisten. Die von den Profilschenkeln 7 der ersten Seitenwand 5 ausgebildete Längsnut 6 weist insbesondere, wie in Fig. 2 dargestellt, keine Hinterschneidungen auf und ist demnach als hinterschneidungsfreie Längsnut ausgeführt 6. Dadurch kann ein einfaches Austauschen der nagelbaren Leiste 2 in der Längsnut 6 erfolgen. Zusätzlich verläuft die nagelbare Leiste 2 plan mit der ersten Seitenwand 5, wodurch sich eine stabile, vergleichsweise großflächige Auflage für ein zu montierendes Schalungselement 21 ergibt. In addition to the longitudinal corrugations 17, the hollow profile at its two vertical side walls 1 1, 1 6 centrally a row of holes 18 with circular holes 19 which terminate in an inwardly curved opening edge 20 to ensure high torsional stiffness on the formwork support 1 despite weight reduction. The longitudinal groove 6 formed by the profile limbs 7 of the first side wall 5 has in particular, as shown in Fig. 2, no undercuts and is therefore designed as undercut-free longitudinal groove 6. This allows a simple replacement of the nailable bar 2 in the longitudinal groove 6. In addition, the nailable strip 2 is flush with the first side wall 5, resulting in a stable, comparatively large-area support for a shuttering element 21 to be mounted.
Wie in Fig. 2 dargestellt, bildet das Hohlprofil 4 mit seiner dritten Seitenwand 14 eine T-förmige Nut 22 aus. Eine solche T-förmige Nut 22 kann sich insbesondere für Aufnahme von, nicht näher dargestellten, Verbindungsmitteln eignen. Solche Verbindungsmittel können etwa zur Befestigung des Schalungsträgers 1 an einem Gestell dienen. As shown in Fig. 2, the hollow profile 4 forms with its third side wall 14 of a T-shaped groove 22. Such a T-shaped groove 22 may be particularly suitable for receiving, not shown, connecting means. Such connection means can serve for example for fastening the formwork support 1 to a frame.
Gemäß Fig. 1 ist schematische eine Betonschalung 100 dargestellt, welche ein Schalungselement 21 und einen erfindungsgemäßen Schalungsträger 1 aufweist. Das Schalungselement 21 kann insbesondere eine Schaltafel aus einem holzartigen Material sein. Zur Befestigung des Schalungselements 21 auf dem Schalungsträger 1 , ist das Schalungselement 21 mit der im Schalungsträger 1 befestigten nagelbaren Leiste 2 vorzugsweise vernagelt. Es ist jedoch auch vorstellbar, dass das Schalungselement 21 mit der nagelbaren Leiste 2 verschraubt ist. According to FIG. 1, a concrete formwork 100 is shown schematically, which has a formwork element 21 and a formwork support 1 according to the invention. The formwork element 21 may in particular be a formwork panel made of a wood-like material. For fixing the formwork element 21 on the formwork support 1, the formwork element 21 is preferably nailed to the nailable bar 2 fastened in the formwork support 1. However, it is also conceivable that the formwork element 21 is bolted to the nailable bar 2.

Claims

P a t e n t a n s p r ü c h e: Patent claim:
1 . Schalungsträger (1 ) mit mindestens einer nagelbaren Leiste (2), mit mindestens einem Befestigungsmittel (3) und mit einem metallischen Hohlprofil (4), das mehrere Seitenwände (5, 1 1 , 14, 1 6) aufweist und das mit seinen Profilschenkeln (7) eine Längsnut (6) ausbildet, welche Längsnut (6) in mindestens einer ihrer Nutwände (9) wenigstens eine Nutwandöffnung (10) aufweist, wobei die in der Längsnut (6) vorgesehene Leiste (2) durch das die Nutwandöffnung (10) durchragende lösbare Befestigungsmittel (3) am Hohlprofil (4) befestigt ist, dadurch gekennzeichnet, dass das Hohlprofil (4) geschlossen ausgebildet ist und an einer ersten Seitenwand (5) durch deren Profilschenkel (7) die Längsnut (6) ausbildet, wobei wenigstens eine an diese erste Seitenwand (5) geneigt anschließende weitere Seitenwand (1 1 , 1 6) auf Höhe der Nutwandöffnung (10) der Längsnut (6) ausgenommen ist und damit eine Zugangsöffnung (12) für das lösbare Befestigungsmittel (3) ausbildet. 1 . Formwork support (1) with at least one nailable strip (2), with at least one fastening means (3) and with a metallic hollow profile (4), which has a plurality of side walls (5, 11, 14, 16) and which with its profile legs ( 7) a longitudinal groove (6) is formed, which longitudinal groove (6) in at least one of its groove walls (9) at least one groove wall opening (10), wherein in the longitudinal groove (6) provided strip (2) through which the groove wall opening (10) projecting releasable fastening means (3) on the hollow profile (4) is fixed, characterized in that the hollow profile (4) is formed closed and on a first side wall (5) through the profile limb (7), the longitudinal groove (6) is formed, wherein at least one on this first side wall (5) inclined subsequent further side wall (1 1, 1 6) at the height of the groove wall opening (10) of the longitudinal groove (6) is excluded and thus an access opening (12) for the releasable fastening means (3).
2. Schalungsträger nach Anspruch 1 , dadurch gekennzeichnet, dass die Zugangsöffnung (12) in ihrem Durchmesser größer als die Nutwandöffnung (10) ist. 2. Formwork support according to claim 1, characterized in that the access opening (12) in its diameter larger than the groove wall opening (10).
3. Schalungsträger nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Zugangsöffnung (12) und die Nutwandöffnung (10) fluchtend zueinander angeordnet sind. 3. Formwork support according to claim 1 or 2, characterized in that the access opening (12) and the groove wall opening (10) are arranged in alignment with each other.
4. Schalungsträger nach Anspruch 1 , 2 oder 3, dadurch gekennzeichnet, dass die Nutwand (9) und mindestens eine an die erste Seitenwand (5) anschließende Seitenwand (1 1 , 1 6) je eine Lochreihe an Nutwandöffnungen (10) bzw. Zugangsöffnungen (12) aufweisen. 4. formwork support according to claim 1, 2 or 3, characterized in that the groove wall (9) and at least one of the first side wall (5) adjoining side wall (1 1, 1 6) each have a row of holes at Nutwandöffnungen (10) or access openings (12).
5. Schalungsträger nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass an beiden Nutwänden (9) der Längsnut (6) je wenigstens eine Nutwand- Öffnung (10) für Befestigungsmittel (3) vorgesehen sind, wobei die beiden an die erste Seitewand (5) anschließenden Seitenwände (1 1 , 16) je auf Höhe der jeweiligen Nutwandöffnung (10) eine Zugangsöffnung (12) für das jeweilige lösbare Befestigungsmittel (3) ausbilden. 5. Formwork support according to one of claims 1 to 4, characterized in that on both groove walls (9) of the longitudinal groove (6) each have at least one Nutwand- Opening (10) for fastening means (3) are provided, wherein the two on the first side wall (5) adjoining the side walls (1 1, 16) depending on height of the respective groove wall opening (10) an access opening (12) for the respective releasable fastening means ( 3) train.
6. Schalungsträger nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die jeweilige an die erste Seitenwand (5) anschließende Seitenwand (1 1 , 1 6) zur Nutwand (9) beabstandet verläuft. 6. Formwork support according to one of claims 1 to 5, characterized in that the respective on the first side wall (5) adjoining side wall (1 1, 1 6) to the groove wall (9) extends spaced.
7. Schalungsträger nach Anspruch 6, dadurch gekennzeichnet, dass die jeweilige an die erste Seitenwand (5) anschließende Seitenwand (1 1 , 1 6) zur Nutwand (9) versetzt parallel verläuft. 7. Formwork support according to claim 6, characterized in that the respective to the first side wall (5) adjoining side wall (1 1, 1 6) to the groove wall (9) offset parallel.
8. Schalungsträger nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Hohlprofil (4) einen rechteckförmigen Querschnitt aufweist, dessen Schmalseite die erste Seitenwand (5) ausbildet. 8. Formwork support according to one of claims 1 to 7, characterized in that the hollow profile (4) has a rectangular cross-section, whose narrow side forms the first side wall (5).
9. Schalungsträger nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das lösbare Befestigungsmittel (3) als selbstschneidende Schraube (13) mit einem Mehrkantkopf (23) ausgeführt ist. 9. Formwork support according to one of claims 1 to 8, characterized in that the releasable fastening means (3) is designed as a self-tapping screw (13) with a polygonal head (23).
10. Schalungsträger nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die an die erste Seitenwand (5) anschließende Seitenwand (1 1 , 16) unterhalb der Zugangsöffnung (12) eine Längssicke (17) aufweist. 10. Formwork support according to one of claims 1 to 9, characterized in that the first side wall (5) adjoining side wall (1 1, 16) below the access opening (12) has a longitudinal bead (17).
1 1 . Schalungsträger nach Anspruch 10, dadurch gekennzeichnet, dass die Längssicke (17) halbrundförmig ausgebildet ist. 1 1. Formwork support according to claim 10, characterized in that the longitudinal bead (17) is formed semicircular.
12. Schalungsträger nach einem der Ansprüche 1 bis 1 1 , dadurch gekennzeichnet, das mindestens eine, an die erste Seitenwand (5) anschließende Seitenwand (1 1 , 1 6) eine Lochreihe (18) mit einem nach innen gebogenen Öffnungsrand (20) aufweist. 12. Formwork support according to one of claims 1 to 1 1, characterized in that the at least one, to the first side wall (5) adjoining side wall (1 1, 1 6) has a row of holes (18) with an inwardly curved opening edge (20) ,
13. Schalungsträger nach Anspruch 12, dadurch gekennzeichnet, das die Seitenwand (1 1 , 1 6) mittig die Lochreihe (18) aufweist. 13. Formwork support according to claim 12, characterized in that the side wall (1 1, 1 6) in the middle of the row of holes (18).
14. Schalungsträger nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die Profilschenkel (7) der ersten Seitenwand (5) eine hinterschneidungs- freie Längsnut (6) ausbilden. 14. Formwork support according to one of claims 1 to 13, characterized in that the profile legs (7) of the first side wall (5) form a undercut-free longitudinal groove (6).
15. Schalungsträger nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass die Längsnut (6) mittig an der ersten Seitenwand (5) vorgesehen ist. 15. Formwork support according to one of claims 1 to 14, characterized in that the longitudinal groove (6) is provided centrally on the first side wall (5).
1 6. Schalungsträger nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass die in der Längsnut (6) vorgesehene nagelbare Leiste (2) plan mit der ersten Seitenwand (5) verläuft. 1 6. Formwork support according to one of claims 1 to 15, characterized in that in the longitudinal groove (6) provided nailable bar (2) is flush with the first side wall (5).
17. Schalungsträger nach einem der Ansprüche 1 bis 1 6, dadurch gekennzeichnet, dass der Schalungsträger (1 ) mit seiner dritten Seitenwand (14), die der ersten Seitenwand (5) gegenüberliegt, eine T-förmige Nut (22) für Verbindungsmittel ausbildet. 17. Formwork support according to one of claims 1 to 1 6, characterized in that the formwork support (1) with its third side wall (14) which faces the first side wall (5) forms a T-shaped groove (22) for connecting means.
18. Betonschalung (100) mit einem Schalungselement (21 ) und mit einem auf der Rückseite des Schalungselements (21 ) vorgesehenen Schalungsträger (1 ) nach einem der Ansprüche 1 bis 17, wobei das Schalungselement (21 ) an der Leiste (2) des Schalungsträgers (1 ) befestigt ist. 18. concrete formwork (100) with a formwork element (21) and with a on the back of the formwork element (21) provided formwork support (1) according to one of claims 1 to 17, wherein the formwork element (21) on the strip (2) of the formwork support (1) is attached.
19. Betonschalung nach Anspruch 18, dadurch gekennzeichnet, dass das Schalungselement (21 ) an der Leiste (2) des Schalungsträgers (1 ) befestigt, nämlich mit dieser vernagelt, ist. 19. Concrete formwork according to claim 18, characterized in that the formwork element (21) attached to the strip (2) of the formwork support (1), namely nailed thereto, is.
EP16716495.3A 2015-03-24 2016-03-24 Formwork support and concrete formwork having this formwork support Active EP3274522B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15160674.6A EP3073029A1 (en) 2015-03-24 2015-03-24 Formwork support
PCT/EP2016/056686 WO2016151128A1 (en) 2015-03-24 2016-03-24 Formwork beam and concrete formwork having this formwork beam

Publications (2)

Publication Number Publication Date
EP3274522A1 true EP3274522A1 (en) 2018-01-31
EP3274522B1 EP3274522B1 (en) 2019-07-10

Family

ID=52697331

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15160674.6A Withdrawn EP3073029A1 (en) 2015-03-24 2015-03-24 Formwork support
EP16716495.3A Active EP3274522B1 (en) 2015-03-24 2016-03-24 Formwork support and concrete formwork having this formwork support

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15160674.6A Withdrawn EP3073029A1 (en) 2015-03-24 2015-03-24 Formwork support

Country Status (2)

Country Link
EP (2) EP3073029A1 (en)
WO (1) WO2016151128A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB560461A (en) * 1942-08-27 1944-04-05 Walter John Worthington Improvements in beams for use in building construction
DE3705356A1 (en) 1987-02-19 1988-09-01 Niels Hollmann FORMWORK PANEL CARRIER FOR CONCRETE SHUTTERING
ES2143377B1 (en) * 1997-09-15 2000-12-01 Ulma C Y E S Coop PERFECTED HORIZONTAL FORMWORK.

Also Published As

Publication number Publication date
EP3073029A1 (en) 2016-09-28
WO2016151128A1 (en) 2016-09-29
EP3274522B1 (en) 2019-07-10

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