WO2016151128A1 - Porte-coffrage et coffrage à béton avec ce porte-coffrage - Google Patents

Porte-coffrage et coffrage à béton avec ce porte-coffrage Download PDF

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Publication number
WO2016151128A1
WO2016151128A1 PCT/EP2016/056686 EP2016056686W WO2016151128A1 WO 2016151128 A1 WO2016151128 A1 WO 2016151128A1 EP 2016056686 W EP2016056686 W EP 2016056686W WO 2016151128 A1 WO2016151128 A1 WO 2016151128A1
Authority
WO
WIPO (PCT)
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.)
Ceased
Application number
PCT/EP2016/056686
Other languages
German (de)
English (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
Priority to EP16716495.3A priority Critical patent/EP3274522B1/fr
Publication of WO2016151128A1 publication Critical patent/WO2016151128A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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

L'invention concerne un coffrage à béton (100) et un porte-coffrage (1) comprenant au moins une baguette (2) pouvant être clouée, comprenant au moins un moyen de fixation (3) et comprenant un profilé creux métallique (4), lequel possède plusieurs parois latérales (5, 11, 14, 16) et qui forme avec ses branches de profilé (7) une rainure longitudinale (6) qui possède, dans au moins l'une de ses parois de rainure (9), au moins une ouverture de paroi de rainure (10). La baguette (2) qui se trouve dans la rainure longitudinale (6) est fixée au profilé creux (4) par le moyen de fixation (3) amovible qui fait saillie à travers l'ouverture de paroi de rainure (10). Selon l'invention, en vue de réaliser un porte-coffrage (1) plus stable et plus facile à utiliser, le profilé creux (4) est de configuration fermée et la rainure longitudinale (6) est formée sur une première paroi latérale (5) par sa branche de profilé (7). Au moins une paroi latérale supplémentaire (11, 16), raccordée de manière inclinée à cette première paroi latérale (5), est évidée à hauteur de l'ouverture de paroi de rainure (10) de la rainure longitudinale (6) et forme ainsi une ouverture d'accès (12) pour le moyen de fixation (3) amovible.
PCT/EP2016/056686 2015-03-24 2016-03-24 Porte-coffrage et coffrage à béton avec ce porte-coffrage Ceased WO2016151128A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16716495.3A EP3274522B1 (fr) 2015-03-24 2016-03-24 Support de coffrage et coffrage à béton ayant ce support de coffrage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15160674.6A EP3073029A1 (fr) 2015-03-24 2015-03-24 Support de coffrage
EP15160674.6 2015-03-24

Publications (1)

Publication Number Publication Date
WO2016151128A1 true WO2016151128A1 (fr) 2016-09-29

Family

ID=52697331

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/056686 Ceased WO2016151128A1 (fr) 2015-03-24 2016-03-24 Porte-coffrage et coffrage à béton avec ce porte-coffrage

Country Status (2)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4438830A1 (fr) * 2023-03-31 2024-10-02 Voestalpine Sadef NV Construction comprenant une colonne porteuse

Citations (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
EP0279049A2 (fr) 1987-02-19 1988-08-24 Niels Dipl.-Ing. Hollmann Poutre support de panneaux de coffrage pour coffrages de béton
US6189854B1 (en) * 1997-09-15 2001-02-20 Ulma Cye, S. Coop Perfected horizontal formwork

Patent Citations (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
EP0279049A2 (fr) 1987-02-19 1988-08-24 Niels Dipl.-Ing. Hollmann Poutre support de panneaux de coffrage pour coffrages de béton
US6189854B1 (en) * 1997-09-15 2001-02-20 Ulma Cye, S. Coop Perfected horizontal formwork

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4438830A1 (fr) * 2023-03-31 2024-10-02 Voestalpine Sadef NV Construction comprenant une colonne porteuse
WO2024200827A1 (fr) * 2023-03-31 2024-10-03 Voestalpine Sadef Nv Construction comprenant une colonne porteuse

Also Published As

Publication number Publication date
EP3073029A1 (fr) 2016-09-28
EP3274522A1 (fr) 2018-01-31
EP3274522B1 (fr) 2019-07-10

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