EP1970501B1 - Procédé et dispositif pour le décoffrage d'un élément en béton de type plaque - Google Patents

Procédé et dispositif pour le décoffrage d'un élément en béton de type plaque Download PDF

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Publication number
EP1970501B1
EP1970501B1 EP08004525A EP08004525A EP1970501B1 EP 1970501 B1 EP1970501 B1 EP 1970501B1 EP 08004525 A EP08004525 A EP 08004525A EP 08004525 A EP08004525 A EP 08004525A EP 1970501 B1 EP1970501 B1 EP 1970501B1
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EP
European Patent Office
Prior art keywords
formwork
reinforcement
concrete
formwork element
reinforced
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.)
Active
Application number
EP08004525A
Other languages
German (de)
English (en)
Other versions
EP1970501A2 (fr
EP1970501A3 (fr
Inventor
Gottfried Mägert
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.)
Magert Bautechnik AG
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Magert Bautechnik AG
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Publication date
Application filed by Magert Bautechnik AG filed Critical Magert Bautechnik AG
Publication of EP1970501A2 publication Critical patent/EP1970501A2/fr
Publication of EP1970501A3 publication Critical patent/EP1970501A3/fr
Application granted granted Critical
Publication of EP1970501B1 publication Critical patent/EP1970501B1/fr
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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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/125—Reinforcement continuity box
    • 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
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
    • E04G11/085—End form panels for walls
    • 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
    • E04G11/365—Stop-end 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/06—Forming boards or similar elements the form surface being of metal
    • E04G9/065—Forming boards or similar elements the form surface being of metal the form surface being of wire mesh

Definitions

  • the invention relates to a method for producing a reinforced, plate-like concrete element, in particular a ceiling, a floor or a wall, according to the preamble of claim 1. It also relates to a formwork element for producing such a concrete element and a use of the Abschalelements.
  • Abschal may be eg in DE 90 17 003.2 U or in EP 093 697 , or in DE 8 224 716 U1 ,
  • the formwork element is introduced in a form bent or rolled along its longitudinal axis between individual elements of the reinforcement.
  • it takes up relatively little space, so that it can be inserted in a simple manner from the side between the pre-assembled reinforcement, even if relatively little space between the reinforcing iron is available.
  • the Abschalelement can then partially or completely bent or unrolled and secured in a suitable manner.
  • the invention is particularly suitable for buildings in which at least one reinforcing mesh is arranged on opposite sides of the concrete element.
  • the shuttering element can form the formwork between the reinforcement nets.
  • a suitably configured Abschalelement has a web of flexible material, which is reinforced along its opposite longitudinal edges, and it can be bent or rolled up about its longitudinal axis. This bending should be reversible, i. it must be possible to unroll or deploy the formwork element in a simple manner (for example by hand).
  • the web is at least partially made of glass fiber reinforced or carbon fiber reinforced plastic or glass fibers.
  • Fig. 1 Shawl 10 shown has a web 11 made of a flexible material.
  • the flexible material is a net of woven, knitted, welded or otherwise connected Fibers.
  • the material used in the present embodiment is a glass fiber reinforced or carbon fiber reinforced Plastic, or it consists of glass fibers, so that it can withstand the static pressure of the concrete as well as possible and yet has a high flexibility.
  • a network with a mesh size of 1 - 5 mm, in particular about 2.5 mm is used. It turns out that such a mesh size has a sufficient Abschalungs free and yet ensures a sufficiently intimate connection between the concrete adjacent sections.
  • the width A of the band or the Abschalelements 10 is the thickness of the concrete element to be created adapt. In most cases, the width A is at least 10 cm.
  • the web 11 is folded and sewn in two edge regions, so that pockets 13 are formed, in each of which a reinforcing rod 14 can be inserted.
  • the reinforcing bars 14 are preferably made of metal, for example two reinforcing bars may be used. They may be permanently connected to the web 11, e.g. with a glue so that they can not slip out in a vertical mounting of the Abschalelements 10.
  • the shuttering element 10 can simply be reversibly rolled up around its longitudinal axis 15 (for example, around one of the reinforcing rods) or, for example, bent in a U-shaped manner, which will be described below Fig. 2 to 5 simplified application described.
  • the figures show the use of the shuttering element 10 in the manufacture of a ceiling, floor, wall or other plate-like concrete element, such as a bridge element or an inclined support wall.
  • the reinforcement 19 is two reinforcing nets or reinforcing nets, which come to lie on opposite sides of the concrete element to be created.
  • the reinforcement of section 18a is in the next section 18b.
  • Shuttering elements 10 shown are introduced. Whose width A is such that it unrolled in unrolled or partially unrolled state at least the space between the two reinforcing nets 19 and there is able to form a shuttering.
  • the Abschalelement 10 can be easily inserted between the reinforcement 19, it is bent or rolled around its longitudinal axis before insertion and introduced in this form parallel to its longitudinal direction in the reinforcement 19. Then it is bent or unrolled and attached to its longitudinal edges on the reinforcement 19, for example with suitable wires or clamps, see Fig. 3 ,
  • formwork boards 20 are placed around the built-up reinforcement.
  • 20 strips 21 are arranged in the area between the side edges of the Abschalelements 10 and the shuttering boards, prevent in an exit of the concrete to be filled later in this area. This completes the formwork.
  • the shuttering element 10 forms the shuttering in the area between the two reinforcing nets.
  • Fig. 2 to 5 can be varied in different ways.
  • sequence of construction of the reinforcement 19, the insertion of the Abschalelements 10 and the assembly of the lateral shuttering boards 20 and strips 21 can be adapted to the respective requirements.
  • reinforcing meshes instead of reinforcing meshes, other known reinforcing structures can be used for the reinforcement 19.
  • the edges of the Abschalelements 10 are reinforced with the reinforcing bars 14, and the edges of the web 11 are folded over this.
  • the reinforcing rods may consist of a thickened part of the strip material.
  • additional reinforcing rods which are fastened between the edge-side reinforcing rods 14 parallel to the longitudinal direction 15 on the band 11 and strengthen it.
  • the band 11 extends laterally slightly beyond the reinforcing rods 14.
  • the reinforcement of the band 11 may also be omitted if the band 11 itself has sufficient strength.
  • the reinforcements are advantageous in that they facilitate the insertion of the shuttering element 10 and require fewer attachment points of the shuttering element 10 to the reinforcement without obstructing a bending or curling of the shuttering element 10 about the longitudinal axis 15.

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)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Claims (10)

  1. Méthode pour la fabrication d'un élément de béton armé en forme de plaque, particulièrement d'un plafond, d'un radier ou d'un mur, par coulée de béton dans un coffrage (10, 20), l'élément de béton étant coulé graduellement dans des plusieurs sections (18a, 18b) connectées par l'armature (19) et étant endurci, un élément de coffrage oblong (10) étant utilisé pour le coffrage (10, 20) périphérique d'une première section (18a), l'élément de coffrage étant perdu après la coulée de la prochaine section (18b), caractérisée en ce que l'élément de coffrage (10) est introduit dans l'armature (19) dans une forme pliée ou roulée, est au moins partiellement déplié ou bien déroulé et attaché.
  2. Méthode selon la revendication 1, l'élément de coffrage (10) étant attaché à l'armature.
  3. Méthode selon la revendication 1 ou 2, au moins un filet d'armature étant arrangé de chacun des côtés opposés à l'intérieur de l'élément de béton, l'élément de coffrage (10) formant un coffrage entre les filets d'armature.
  4. Méthode selon la revendication 3, l'élément de coffrage (10) étant attaché aux filets d'armature.
  5. Elément de coffrage pour la fabrication d'un élément de béton armé en forme de plaque pour l'usage dans la méthode selon l'une des revendications précédentes, caractérisé par une bande (11) d'un matériau flexible, étant renforcée le long des arêtes longitudinales opposées, la bande (11) étant formée au moins partiellement en plastique renforcé de fibres de verre ou renforcé de fibres de charbon ou en fibres de verre, l'élément de coffrage étant réversiblement pliable ou apte à être roulé.
  6. Elément de coffrage selon la revendication 5, la bande (11) étant formée d'un filet flexible.
  7. Elément de coffrage selon la revendication 5, le filet ayant une largeur de maille entre 1 et 5 mm, particulièrement d'environ 2.5 mm.
  8. Elément de coffrage selon l'une des revendications 5 à 7, au moins une barre de renforcement (14), particulièrement en métal, étant arrangée à chacune des arêtes longitudinales (12) de la bande.
  9. Elément de coffrage selon la revendication 8, la bande (11) étant tournée autour des barres de renforcement (14) aux arêtes longitudinales, et particulièrement les arêtes longitudinales (12) étant tournées et recousues.
  10. Usage de l'élément de coffrage selon l'une des revendications 5 à 9 comme coffrage perdu entre les sections fabriquées graduellement d'un élément de béton armé en forme de plaque.
EP08004525A 2007-03-16 2008-03-12 Procédé et dispositif pour le décoffrage d'un élément en béton de type plaque Active EP1970501B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4262007 2007-03-16

Publications (3)

Publication Number Publication Date
EP1970501A2 EP1970501A2 (fr) 2008-09-17
EP1970501A3 EP1970501A3 (fr) 2009-11-18
EP1970501B1 true EP1970501B1 (fr) 2011-11-30

Family

ID=39591016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08004525A Active EP1970501B1 (fr) 2007-03-16 2008-03-12 Procédé et dispositif pour le décoffrage d'un élément en béton de type plaque

Country Status (2)

Country Link
EP (1) EP1970501B1 (fr)
AT (1) ATE535662T1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1495550A (fr) * 1967-12-20
CH655872A5 (de) 1982-05-04 1986-05-30 Witschi H Verfahren und anlage zur herstellung eines als verlorene abschalung verwendbaren profilelementes.
DE8224716U1 (de) * 1982-09-02 1984-04-19 Hoff, Walter, 4000 Düsseldorf Profilkoerper fuer anschluesse von nacheinander zu betonierenden bauwerksteilen
DE8906436U1 (de) * 1989-05-24 1990-09-20 Fischer, Willibald, 8312 Dingolfing Schalung
DE9017003U1 (de) 1990-12-17 1992-02-27 Construmat Ag, Hegnau-Volketswil Abschalungselement
DE10153367A1 (de) * 2000-10-28 2002-10-24 Hans-Werner Dausend Stirnwandverschalung

Also Published As

Publication number Publication date
EP1970501A2 (fr) 2008-09-17
ATE535662T1 (de) 2011-12-15
EP1970501A3 (fr) 2009-11-18

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