EP0715039B1 - Elément de coffrage - Google Patents

Elément de coffrage Download PDF

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Publication number
EP0715039B1
EP0715039B1 EP95117597A EP95117597A EP0715039B1 EP 0715039 B1 EP0715039 B1 EP 0715039B1 EP 95117597 A EP95117597 A EP 95117597A EP 95117597 A EP95117597 A EP 95117597A EP 0715039 B1 EP0715039 B1 EP 0715039B1
Authority
EP
European Patent Office
Prior art keywords
shuttering
support
wall
transverse
rods
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.)
Expired - Lifetime
Application number
EP95117597A
Other languages
German (de)
English (en)
Other versions
EP0715039A1 (fr
Inventor
Willi Fischer
Johann Kerscher
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.)
Fischer Willibald
Original Assignee
Fischer Willibald
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 Fischer Willibald filed Critical Fischer Willibald
Publication of EP0715039A1 publication Critical patent/EP0715039A1/fr
Application granted granted Critical
Publication of EP0715039B1 publication Critical patent/EP0715039B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/365—Stop-end shutterings

Definitions

  • the invention relates to a formwork element in Preamble of claim 1 explained type.
  • Such a formwork element is known from EP 93 697 A2.
  • the known formwork element contains a formwork wall from a profiled, perforated Material, in particular an expanded metal or Sheet with profiled or partially permeable Surface.
  • the formwork wall is made with the help of a column in the form of a plurality of triangular wooden wedges set up.
  • the formwork wall must be attached to the wooden wedges and the wooden wedges are nailed to the lower formwork, which is quite expensive.
  • the top reinforcement is on pre-punched points, pushed through the formwork wall, with the wooden wedges over the top edge of the formwork wall protrude.
  • the formwork wall is therefore the only means the reinforcement at a predetermined distance from each other and to the lower formwork or to the top of the concrete element hold.
  • EP 586 867 A1 describes a shuttering element for shuttering end faces two adjacent concrete parts.
  • the shuttering element contains a formwork wall, the at least one of its edges in a concrete cover strip is embedded.
  • the concrete cover strip should Keep the formwork wall at a distance from the surface of the concrete part so that none Corrosion takes place.
  • the concrete cover strip on the surface facing the concrete part Top rounded so that it is as little as possible on the surface of the concrete part appears.
  • the shuttering element is not able to stand on its own and must be carefully attached to the entire formwork in the correct position.
  • the invention is therefore based on the object, an inexpensive producible stable, as well as inexpensive and easy to install Formwork element for formwork of connecting surfaces the production of components from concrete as well as an inexpensive and to provide a simple process for its manufacture.
  • the formwork element according to the invention is easy to manufacture and can be used immediately without further preparatory work. Since the formwork element including the support and formwork wall as lost formwork is formed in the finished concrete remains, the concrete can be poured on from both sides, without making any changes to the formwork must be made. Furthermore, the spatial stiffens Rod construction the surface material of the formwork wall like this far that the reinforcing bars also when pouring the concrete, i.e. under an additional load, safely at their predetermined Place can be held.
  • the protrusion of the formwork wall Of particular advantage over the upper edge of the support, as the column is embedded in the concrete without further precautions can be and does not protrude on the top of the component, where it would be exposed to corrosion.
  • the support on a lower reinforcement of the concrete slab or concrete element be, due to the protrusion of the formwork wall concrete passing through the edge of the stand between the lower reinforcement and the lower formwork prevented becomes.
  • the support in its full height as a spacer between an upper reinforcement and the lower formwork or between an upper and serve a lower reinforcement.
  • Claim 4 describes a particularly preferred embodiment the rod construction used for the support.
  • Claim 5 describes a particularly preferred arrangement of the Formwork wall, in which the column is completely in the concrete is anchored and thus ensures a good connection.
  • the support is particularly easy to manufacture if it is in accordance with Claim 6 from an A-shaped, flat grid mat consists.
  • Claim 8 describes a particularly preferred sheet material for the formwork wall.
  • Claim 9 describes a particularly preferred embodiment of the formwork element according to the invention.
  • the object is further achieved by a method according to claim 10 solved.
  • the method according to the invention can be carried out inexpensively and leads to a formwork element that despite simple and inexpensive manufacture one for use has sufficient stability.
  • Fig. 1 shows a simultaneously as a spacer for reinforcement trained formwork element 1, the formwork wall 2 and a support 3, which together to form a lost formwork are connected, which remain in the concrete can.
  • the formwork wall 2 consists of a perforated surface material, in the illustrated embodiment one Strips of expanded metal sheet as it is commercially available is.
  • the support 3 consists of a spatial rod construction from cross bars 4 and longitudinal bars 5, which are in the manner of a Mesh mat are assembled.
  • Cross and longitudinal bars 4, 5 consist of common structural steel bars, such as those used for reinforcement or for the production of reinforcement mesh in concrete construction are.
  • the diameter and length of the rods 4, 5 can be according to the the intended use selected. Since in Fig. 1 the support 3 has an elongated shape, are as Cross bars 4 defines those bars that are transverse to Extend the longitudinal extent of the formwork wall 2 while longitudinal rods 5 are those rods that are parallel run to the longitudinal extent of the formwork wall 2.
  • the support 3 is A-shaped, with a cross section in the shape of an isosceles triangle, with the legs of the triangle through the angled halves of the cross bars 4 be formed.
  • the imaginary connecting line between the Triangular tips of all cross bars 4 of the support 3 form one Top edge 6.
  • the free ends of all cross bars 4 of the support 3 lie in a common level 7. Those are preferred free ends of the cross bars 4 by one of the longitudinal bars 5 connected, and the upper edge 6 by a Longitudinal rod 5 formed or there are at least one or two longitudinal bars 5 near the upper edge 6.
  • the formwork wall 2 covers the support 3 only on one side of the isosceles cross section and is there between the inside cross bars 4 and the outside longitudinal bars 5 attached.
  • the formwork wall 2 is wider than half the length of the cross bars 4, each with an edge area the formwork wall 2 over the top edge 6 by one Amount a upwards and over the lower level 7 by an amount b protrudes downwards.
  • the 2 shows the formwork element according to the invention 1 for shuttering a connection surface between two in succession construction sections to be concreted for producing a concrete slab or the like.
  • the reinforcement layer 9 is designed as continuous reinforcement, which is characterized by both stretches of concrete to be poured one after the other.
  • the Expanded material of the formwork wall 2 is bendable, so that the Reinforcement 9 is pressed into the supernatant b and the supernatant b then between the reinforcement bars of the reinforcement layer 9 extends downwards and the space between the Reinforcement layer 9 and the formwork 8 covered.
  • an upper reinforcement layer 10 installed, which also as Reinforcing bars or reinforcement mats is formed through both concrete sections to be poured one after the other extends.
  • the support 3 serves as the predetermined distance defining spacer between the two reinforcement layers 9 and 10.
  • the reinforcement bars of the reinforcement layer 10 are also pressed into the formwork wall 2 and lie on one or more of the longitudinal bars 5 the support 3.
  • either one of the Longitudinal rods 5 attached directly to the upper edge 6, or two Longitudinal bars 5, as shown in FIG. 2 extend on both sides parallel to the upper edge 6 and at a short distance from it.
  • the Supernatant a can then be removed with one of the usual, removable Concrete cover strips 11 are covered when he not to the top of the concrete element, or at least to reach just below, so that leakage the concrete is avoided during the first construction phase. Then the first phase of construction from that side of the Formwork wall 2 ago, on which the cross bars 4 are located, shed. Any air can escape through the formwork wall 2 escape to the outside, so that almost the entire rod construction the support 3 is embedded in the first construction phase is. Concrete also passes through the perforated holes Formwork wall 2 through and forms on the other Side of the formwork wall 2 a rough surface that together with the external longitudinal bars 5 a good connection of the second concreting section.
  • the formwork element 1 is manufactured by First, a flat formwork material shown in Fig. 3 1 'is produced.
  • a flat formwork material shown in Fig. 3 1 'is produced.
  • the formwork flat material 1 ' are first the cross bars 4, the longitudinal bars 5 and the formwork wall 2 in the desired dimensions cut, the dimensions of the rods 4, 5 be adjusted to the dimensions of the connection surface.
  • the Formwork wall 2 from a strip of expanded metal sheet is cut to a length that corresponds to the length of the Longitudinal rods 5 corresponds.
  • the width of the formwork wall 2 is greater than half by the sum of the supernatants a + b Length of the cross bars 4, i.e. their length between their free Ends and their center later forming the upper edge 6.
  • the 4 are parallel to each other but in the right Cross and longitudinal bars aligned at an angle to each other with the interposition of the formwork wall 2 with the required Supernatants a, b placed on top of each other.
  • the cross bars 4 and the longitudinal bars 5 in the area of the formwork wall 2 placed on the formwork wall 2, and in the area directly on top of each other without formwork wall.
  • the cross and longitudinal bars 4, 5 on selected or all Crossing points connected together the connection in the area of the formwork wall 2 through the formwork wall 2 is carried out.
  • the rods are preferred on the Crossing points welded together.
  • the rod construction can also be used, for example, as a beam with longitudinal rods be formed by wavy or zigzag curved cross bars are interconnected.
  • the Cross section of the support can be varied. So it can For example, also support the shape of a right-angled one Have triangles, so that the formwork wall 2 vertically stands. In this case, of course, the later is then Upper edge no longer in the middle of the crossbars, but offset in the middle between their two free ends. Finally the lower overhang of the formwork wall can be omitted, if the formwork element is not on a reinforcement layer but placed directly on the under formwork becomes.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Bipolar Transistors (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Claims (13)

  1. Elément de coffrage (1) pour le décoffrage de surfaces de raccordement lors de la fabrication d'éléments de construction en béton dotés d'une armature, comprenant un panneau de coffrage (2) et un support (3) pour le montage d'un panneau de coffrage (2), caractérisé en ce que le support (3) et le panneau de coffrage (2) sont reliés l'un à l'autre en un coffrage perdu, où le support (3) est configuré comme un espaceur pour l'armature (10) et qui contient une construction spatiale constituée de barres (4, 5), et en ce que le panneau de coffrage (2) est fixé sur le support (3) de façon telle qu'il dépasse du bord supérieur (6) du support (3).
  2. Elément de coffrage selon la revendication 1, caractérisé en ce que le support (3) comprend une surface d'appui (7) pour le montage sur une armature (9), et en ce que le panneau de coffrage (2) dépasse de la surface d'appui (7).
  3. Elément de coffrage selon la revendication 1 ou 2, caractérisé en ce que au moins une barre (5) de la construction constituée de barres est prévue dans la zone du bord supérieur (6) du support.
  4. Elément de coffrage selon l'une des revendications 1 à 3, caractérisé en ce que la construction constituée de barres du support (3) a une section en forme de triangle isocèle.
  5. Elément de coffrage selon l'une des revendications 1 à 4, caractérisé en ce que le panneau de coffrage (2) n'est prévu que sur un côté du support (3).
  6. Elément de coffrage selon l'une des revendications 1 à 5, caractérisé en ce que le support (3) contient un treillis plan, recourbé en forme de A, constitué de barres transversales et longitudinales (4, 5) se croisant.
  7. Elément de coffrage selon l'une des revendications 1 à 6, caractérisé en ce que le panneau de coffrage (2) est disposé entre des barres (4, 5) de la construction du support (3), constituée de barres, notamment entre les barres transversales et longitudinales (4, 5) du treillis.
  8. Elément de coffrage selon l'une des revendications 1 à 7, caractérisé en ce que le panneau de coffrage (2) contient un matériau perforé, notamment un métal étiré.
  9. Elément de coffrage selon l'une des revendications 1 à 8, caractérisé en ce que le panneau de coffrage (2) contient un métal étiré qui est disposé entre les barres transversales et longitudinales (4, 5), en acier, d'un treillis formant un support triangulaire (3), de façon telle que le panneau de coffrage (2) recouvre un côté du support triangulaire (3) et que, avec une zone de bordure (a), le panneau de coffrage dépasse du bord supérieur (6) qui suit la pointe de la section triangulaire.
  10. Procédé de fabrication d'un élément de coffrage (1) pour décoffrer des surfaces de raccordement dans la construction en béton, où l'on fabrique d'abord un matériau plat de coffrage (1'), tandis qu'un panneau de coffrage (2) est disposé et fixé entre des barres transversales et longitudinales (4, 5) d'un treillis, de façon telle que le panneau de coffrage (2) ne couvre que partiellement les barres transversales (4) et que au moins une zone de bordure (a) du panneau de coffrage (2) est non solidaire des barres transversales (4) et que, ensuite, les barres transversales (4), dans la zone de bordure (a) non solidaire, sont recourbées pour former un support (3) ayant un bord supérieur (6), de façon telle que la zone de bordure (a) dépasse du bord supérieur (6).
  11. Procédé selon la revendication 10, caractérisé en ce que le panneau de coffrage (2) est disposé en dépassant du milieu des barres transversales (4) et que, au-delà du milieu, ledit panneau de coffrage reste non solidaire et en ce que les barres transversales (4), au milieu de celles-ci, sont recourbées pour former un support (3) ayant une section en forme de triangle isocèle.
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que le panneau de coffrage (2) est disposé en dépassant des extrémités des barres transversales (4).
  13. Procédé selon l'une des revendications 10 à 12, caractérisé en ce que le panneau de coffrage (2) se compose d'un métal étiré et que les barres transversales et longitudinales (4, 5) sont en acier, et en ce que les barres transversales et longitudinales (4, 5), hors de la zone de bordure (a), sont soudées entre elles au niveau de leurs points de croisement englobant le panneau de coffrage (2).
EP95117597A 1994-11-30 1995-11-08 Elément de coffrage Expired - Lifetime EP0715039B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4442639 1994-11-30
DE4442639A DE4442639A1 (de) 1994-11-30 1994-11-30 Schalungselement

Publications (2)

Publication Number Publication Date
EP0715039A1 EP0715039A1 (fr) 1996-06-05
EP0715039B1 true EP0715039B1 (fr) 2000-05-03

Family

ID=6534558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117597A Expired - Lifetime EP0715039B1 (fr) 1994-11-30 1995-11-08 Elément de coffrage

Country Status (5)

Country Link
EP (1) EP0715039B1 (fr)
AT (1) ATE192530T1 (fr)
DE (2) DE4442639A1 (fr)
ES (1) ES2147814T3 (fr)
PT (1) PT715039E (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29613627U1 (de) * 1996-08-07 1996-09-26 Degen Paul Mehrzweckabstandshalter für den Betonbau
DE10037193C2 (de) * 2000-03-09 2003-08-28 Willibald Fischer Schalungsmaterial
EP1132545B1 (fr) * 2000-03-09 2008-12-31 Willibald Fischer Matériel de coffrage
DE202009005388U1 (de) 2009-04-08 2009-06-04 Fwr Solutions Gmbh Abschalelement
DE202009015679U1 (de) 2009-12-01 2011-04-14 Peca - Verbundtechnik Gmbh Abschalelement für Betonplatten

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188617B (de) * 1961-12-22 1965-03-11 Gerhard Ritzerfeld Rotationsdruckmaschine mit einem Gegendruckelement und einem Druckformzylinder, auf dem ein Teil der Druckform fest und ein anderer Teil in Umfangsrichtung verschieblich und zeilenweise fortschaltbar angeordnet ist
EP0093691B1 (fr) 1982-04-21 1985-12-27 Kurt Stauffer Pompe à piston pour liquides
DE3405187C2 (de) * 1983-10-28 1995-07-27 Carl Georg & Sohn Gmbh Co Kg Abziehbalken
DE9005482U1 (fr) * 1990-05-14 1991-09-12 Fischer, Willibald, 8312 Dingolfing, De
DE9206140U1 (de) * 1992-05-07 1993-09-09 Peca Verbundtechnik Schalung
EP0586867A1 (fr) * 1992-09-08 1994-03-16 Peca-Verbundtechnik Gmbh Coffrage d'about

Also Published As

Publication number Publication date
ATE192530T1 (de) 2000-05-15
DE4442639A1 (de) 1996-06-13
DE59508263D1 (de) 2000-06-08
ES2147814T3 (es) 2000-10-01
PT715039E (pt) 2000-10-31
EP0715039A1 (fr) 1996-06-05

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