EP0002814B1 - Coffrage pour béton formé de panneaux assemblés par clavettage - Google Patents

Coffrage pour béton formé de panneaux assemblés par clavettage Download PDF

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Publication number
EP0002814B1
EP0002814B1 EP78101810A EP78101810A EP0002814B1 EP 0002814 B1 EP0002814 B1 EP 0002814B1 EP 78101810 A EP78101810 A EP 78101810A EP 78101810 A EP78101810 A EP 78101810A EP 0002814 B1 EP0002814 B1 EP 0002814B1
Authority
EP
European Patent Office
Prior art keywords
main frame
formwork
wedge
accordance
carriage
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
Application number
EP78101810A
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German (de)
English (en)
Other versions
EP0002814B2 (fr
EP0002814A1 (fr
Inventor
Manfred Dipl.-Ing. Steidle-Sailer
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.)
Emil Steidle GmbH and Co KG
Original Assignee
Emil Steidle GmbH and Co KG
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
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Application filed by Emil Steidle GmbH and Co KG filed Critical Emil Steidle GmbH and Co KG
Publication of EP0002814A1 publication Critical patent/EP0002814A1/fr
Application granted granted Critical
Publication of EP0002814B1 publication Critical patent/EP0002814B1/fr
Publication of EP0002814B2 publication Critical patent/EP0002814B2/fr
Expired 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • E04G17/045—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by wedge-shaped elements
    • 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
    • E04G2009/023—Forming boards or similar elements with edge protection
    • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame

Definitions

  • the invention relates to a concrete formwork with at least two formwork panels, consisting of a main frame with crossbars and a formwork panel carried by the main frame, and with connecting elements for adjacent formwork panels, each having a displaceable profile beam, which has a wedge connection against the main frame of one formwork panel and one second similar wedge connection can be clamped to the main frame of the adjacent formwork panels on the side facing away from the formwork panel, the wedge connections aligning the formwork panels automatically.
  • Such concrete formwork has compared to the formwork, in which the adjacent main frame is connected by bolts or wedges (see e.g. DE-B-1 902568, DE-B-2310236, DE-B-2 460 867, FR-A-22 74 202 ), the advantage that the wedged rod means that the deflection under load is very low, while in the directly connected formwork panels the torsion is subjected to torsion when the connection is loaded perpendicular to the formwork surface, which leads to large inadmissible deflections of the formwork under heavy loads .
  • Such concrete formwork of the type mentioned in the preamble of claim 1 is known from DE-B-2 604 846 and DE-U-7 138 715.
  • U-shaped brackets are welded to the rear on the frame girders, into which the profile girder designed as a hollow profile can be inserted and clamped by means of a wedge piece with which the profile girder inserted into the bracket can be clamped.
  • the invention is based on the object, avoiding components protruding from the rear of the formwork panels, tensile and flexural strength by means of the self-aligning profile support.
  • the wedge sled accordingly engages behind the wedge-tightening surface of the wedge plate so that it can be accommodated in the space determined by the frame elements without having to protrude beyond the rear of the frame.
  • the back of the wedge plates is aligned with the back of the main frame supports, so that the connecting profile supports can be braced directly with these wedge plates and the main frame supports, which either lie directly against one another laterally or can be braced against one another by the connecting device according to the invention with the interposition of compensating pieces.
  • the wedge slide is either provided with a head part projecting in the direction of insertion, which slides over the wedge plate, which is welded between the free legs of a cross bar with a U-shaped cross section.
  • the wedge-tightening surface of the wedge slide can also be arranged within a closed ring forming the wedge slide, which is pushed over a wedge plate that is welded to the main frame support and projects freely cantilevered in the direction parallel to the crossbars.
  • the profile beams can be provided with stop pieces in the form of a bolt or a weld nipple, which prevent the wedge slide from sliding off, so that the wedge slides are captively fixed on the profile beam.
  • stop pieces in the form of a bolt or a weld nipple, which prevent the wedge slide from sliding off, so that the wedge slides are captively fixed on the profile beam.
  • two such wedge slides are arranged on each profile beam, but it is also possible to provide three or more wedge slides for special connections, which cooperate with corresponding wedge plates of formwork panels or intermediate pieces or the like.
  • the wedge slides are preferably equipped on the side facing away from the wedge tightening surface with protruding cams which serve as a striking surface for driving in or releasing the wedge connection.
  • the formwork panels have a main frame carrying the formwork plate 11 and crossbars 14 connecting the beams 12 of the main frame.
  • the crossbars 14 in the embodiment of FIGS. 1 and 3 are partially designed as U-profiles, the free legs of which point to the rear, while in the embodiment of FIGS. 2 and 4, the crossbars 14a as well as the main frames are designed as a box profile.
  • the formwork panels are joined together in the manner shown in FIGS. 3 and 4 (or with the interposition of fitting pieces or fitting panels) such that the main frame supports 12 of two adjacent formwork panels touch one another.
  • Wedge plates 18 are welded between the free legs 16 of the crossbars 14, which have a wedge surface 20 and, with their end 22 facing away from the wedge surface 20, bear against the main frame support 12 or are welded to it.
  • the back 24 of the wedge plates is aligned with the plane formed by the back of the main frame support 12.
  • profile supports 26 with a box profile are provided, which bear against the rear of the main frame supports 12 and the rear 24 of the wedge plates 18 and optionally against further cover plates 28 welded between the legs of the cross bar 14.
  • each wedge carriage has cam projections 38 which are used to actuate the wedge carriage with the hammer. By striking the cams 38, the wedge slide can be pulled up or released on the wedge plate.
  • the profile carriers 26 are provided with stops in the form of a pin 40 penetrating the box profile or a weld nipple 42, which prevent the wedge slides 30 from being pushed over the ends of the profile carriers 26 and detaching from them. In this way, the connecting elements remain connected to the wedge sled as units.
  • the wedge plates 18a are welded next to a cross bar 14a by means of an angle piece 19 to a main frame support 12, such that the back side 24 in turn is flush with the back side of the support 12 in one plane.
  • the wedge slide 30a which essentially consists of a closed ring which slides with its bait wedge tightening surface 34 on the wedge surface 20 of the wedge plate, can be pushed onto these freely projecting wedge plate pieces 18a.
  • a steel sheet strip 45 is welded to the wedge plate 18a, so that the wedge slide 30a can basically remain in or on the formwork plate. In the assembled state, the wedge slide is pushed onto the wedge plate and, in the storage or transport state, sunk into the formwork according to the drawing.
  • the head part 32 of the wedge slide is narrower than the wedge plate 18, so that the profile carrier 26 can be adjusted at an angle other than 90 ° relative to the main frame supports 12 in a plane running parallel to the formwork plane, which is then necessary , if the formwork panels to be connected to each other are at different heights at different heights.
  • Such a displacement is possible in the exemplary embodiment according to FIGS. 4 and 5 in that the opening of the wedge slide 30a in the region of the profile girder 26 is wider than this profile girder, so that this at an angle deviating from 90 ° with respect to the main frame girders 12 in a parallel to the formwork plane level is adjustable.

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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)

Claims (9)

1. Coffrage pour béton comprenant au moins deux panneaux de coffrage se composant d'un cadre principal comportant des traverses et d'une plaque de coffrage (11) soutenue par ce cadre principal, ainsi que des éléments de raccordement destinés aux panneaux de coffrage voisins et comprenant chacun une poutrelle profilée (26) déplaçable qui peut être serrée sur la face éloignée de la plaque de coffrage (11) par l'intermédiaire d'une première liaison de clavetage avec le cadre principal de l'un des panneaux de coffrage et par l'intermédiaire d'une deuxième liaison de clavetage identique avec le cadre principal des panneaux de coffrage voisins, les liaisons de clavetage alignant automatiquement les panneaux de coffrage par contraction de ceux-ci, caractérisé en ce que chaque liaison de clavetage présente un coulisseau de clavetage (30, 30a) glissant sur la poutrelle profilée (26), ainsi qu'une plaque de clavetage (18, 18a) fixée sur le cadre principal et dont la surface interne en clavette (20) coopère avec une surface de serrage en coin (34, 34a) recouvrante du coulisseau de clavetage (30, 30a).
2. Coffrage pour béton selon la revendication 1, caractérisé en ce que la face arrière (24) des plaques de clavetage (18, 18a) s'aligne sur la face arrière des poutrelles (12) des cadres principaux.
3. Coffrage pour béton selon la revendication 1, caractérisé en ce que la plaque de clavetage (18) est soudée entre les ailes libres (16) de la traverse (14) à profil en U et en ce que le coulisseau de clavetage (30) est muni d'une partie de tête (32) en saillie pourvue, sur sa face inférieure, de la surface de serrage en coin (34).
4. Coffrage pour béton selon la revendication 1, caractérisé en ce que la plaque de clavetage (18a) est soudée par une pièce angulaire (19) sur la poutrelle (12) du cadre principal.
5. Coffrage pour béton selon la revendication 3, caractérisé en ce que le coulisseau de clavetage est doté, du côté opposé à la partie de tête (32), d'une bride de soutien (36) faisant saillie dans la même direction que celle de la partie de tête, mais bien au-delà de celle-ci, et contiguë à la face arrière de la poutrelle profilée (26).
6. Coffrage pour béton selon l'une quelconque des revendications 1 à 6, caractérisé en ce que des butées (40, 42) pour les coulisseaux de clavetage (30, 30a) sont prévues aux deux extrémités de la poutrelle profilée (26).
7. Coffrage pour béton selon la revendication 3, caractérisé en ce que la partie de tête (32) du coulisseau de clavetage est plus étroite que la plaque de clavetage (18), de sorte que la poutrelle profilée (26) est réglable, dans un angle s'écartant de 90° par rapport aux poutrelles (12) des cadres principaux, dans un plan se développant parallèlement au plan du coffrage.
8. Coffrage pour béton selon la revendication 4, caractérisé en ce que l'ouverture du coulisseau de clavetage (30a) est plus large dans la zone de la poutrelle profilée (26) que celle-ci, si bien que cette poutrelle est réglable, dans un angle s'écartant de 90° par rapport aux poutrelles (12) des cadres principaux, dans un plan se développant parallèlement au plan du coffrage.
9. Coffrage pour béton selon la revendication 4, caractérisé en ce que la plaque de clavetage (18a) est munie d'un fer plat (45) orienté verticalement par rapport à l'enveloppe de coffrage, de sorte que le coulisseau de clavetage (30a) peut rester sur le panneau de coffrage et peut être tourné vers l'enveloppe de coffrage dans le panneau lui-même et y être noyé.
EP78101810A 1977-12-22 1978-12-21 Coffrage pour béton formé de panneaux assemblés par clavettage Expired EP0002814B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2757450A DE2757450C2 (de) 1977-12-22 1977-12-22 Vorrichtung zum Verbinden zweier Schalungselemente
DE2757450 1977-12-22

Publications (3)

Publication Number Publication Date
EP0002814A1 EP0002814A1 (fr) 1979-07-11
EP0002814B1 true EP0002814B1 (fr) 1981-02-11
EP0002814B2 EP0002814B2 (fr) 1987-11-04

Family

ID=6026964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78101810A Expired EP0002814B2 (fr) 1977-12-22 1978-12-21 Coffrage pour béton formé de panneaux assemblés par clavettage

Country Status (3)

Country Link
EP (1) EP0002814B2 (fr)
AT (1) AT357745B (fr)
DE (1) DE2757450C2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301990A (en) * 1979-03-03 1981-11-24 Peri-Werk Artur Schworer Kg Formwork panel for concrete walls with wedge-type connections
DE2908339C2 (de) * 1979-03-03 1984-02-16 Peri-Werk Artur Schwörer KG, 7912 Weißenhorn Schaltafel für Betonwände mit Keilverbindungen
DE2938490A1 (de) * 1979-09-24 1981-04-09 Emil Steidle Gmbh & Co, 7480 Sigmaringen Betonschalung
DE3119023A1 (de) * 1981-05-13 1982-12-02 Emil Steidle Gmbh & Co, 7480 Sigmaringen Betonschalung
FR2527254A1 (fr) * 1982-05-19 1983-11-25 Ricard Jacques Procede et dispositif pour l'assemblage et l'alignement de panneaux de coffrage
DE3308528A1 (de) * 1983-03-10 1984-09-13 NOE-Schaltechnik GmbH, 7334 Süssen Klemmvorrichtung zur verbindung von schaltafeln
GB8512893D0 (en) * 1985-05-22 1985-06-26 Rapid Metal Developments Ltd Formwork panel
DE3725340A1 (de) * 1986-08-21 1988-02-25 Steidle Gmbh & Co Emil Vorrichtung zum verbinden zweier schalungselemente
EP0480092A1 (fr) * 1990-10-12 1992-04-15 Threspal Ltd. Dispositif de raccord pour cadres de coffrages pour béton
ES2264298B1 (es) * 2003-05-26 2007-10-01 Sistemas Tecnicos De Encofrados, S.A. Dispositivo para la conexion de vigas de soporte de tableros de encofrado.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT218221B (de) * 1958-09-09 1961-11-27 Armet S P A Costruzione Di Arm Anordnung zum Verbinden von Metallplatten
DE7138715U (de) * 1971-10-13 1975-06-26 Peri Werk Schwoerer A Kg Schalungselement
DE2415856C3 (de) * 1974-04-02 1981-10-01 Noe-Schaltechnik, Georg Meyer-Keller KG, 7334 Süßen Keilverbindung für jeweils zwei Schaltafeln o.dgl.
FR2274202A7 (fr) * 1974-05-14 1976-01-02 Abate Robert Dispositif de liaison pour elements de coffrage
DE2604846B2 (de) * 1976-02-07 1979-11-22 Peri-Werk Artur Schwoerer Kg, 7912 Weissenhorn Vorrichtung zum Verbinden zweier benachbarter Schalungselemente einer Betonschalung

Also Published As

Publication number Publication date
DE2757450C2 (de) 1982-12-16
EP0002814B2 (fr) 1987-11-04
ATA916278A (de) 1979-12-15
EP0002814A1 (fr) 1979-07-11
DE2757450A1 (de) 1979-06-28
AT357745B (de) 1980-07-25

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