FR2787479A1 - Reinforcement and formwork for making straight or curved reinforced concrete walls has self-steadying frame with stiffeners connecting steel meshing, and supporting metal sheet and facing coating - Google Patents

Reinforcement and formwork for making straight or curved reinforced concrete walls has self-steadying frame with stiffeners connecting steel meshing, and supporting metal sheet and facing coating Download PDF

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Publication number
FR2787479A1
FR2787479A1 FR9904171A FR9904171A FR2787479A1 FR 2787479 A1 FR2787479 A1 FR 2787479A1 FR 9904171 A FR9904171 A FR 9904171A FR 9904171 A FR9904171 A FR 9904171A FR 2787479 A1 FR2787479 A1 FR 2787479A1
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France
Prior art keywords
concrete
stiffeners
formwork
reinforcement
reinforced concrete
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FR9904171A
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French (fr)
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FR2787479B1 (en
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Thierry Rastello
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Priority claimed from FR9816188A external-priority patent/FR2787478A1/en
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Priority to FR9904171A priority Critical patent/FR2787479B1/en
Publication of FR2787479A1 publication Critical patent/FR2787479A1/en
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Publication of FR2787479B1 publication Critical patent/FR2787479B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8658—Walls made by casting, pouring, or tamping in situ made in permanent forms using wire netting, a lattice or the like as form leaves
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
    • E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

Self-steadying frame (1) has uprights for holding it to bottom by pegs (2), stiffeners (3) connecting two steel meshes (6, 7) serving as frame for concrete to be installed. The stiffeners also support spread out metal sheets (5) used in the lost formwork and support the facing coating.

Description

-1 La présente invention concerne un dispositif de coffrage perdu --1 The present invention relates to a lost formwork device -

ferraillage autostablefreestanding reinforcement

pour réaliser des murs en béton armé droits ou courbes.  to make straight or curved reinforced concrete walls.

Le coffrage des murs en béton armé est traditionnellement réalisé au moyen de banches en bois ou en métal. Ceci n'est pas bien adapté à la réalisation de petits ouvrages comme les villas, les murs de soutènement, les piscines et ne permet pas  The formwork of reinforced concrete walls is traditionally carried out using wooden or metal formwork. This is not well suited to the realization of small works such as villas, retaining walls, swimming pools and does not allow

d'être utilisé de façon systématique en remplacement des blocs en agglomérés.  to be used systematically in replacement of agglomerated blocks.

Néanmoins la réglementation parasismique oblige l'incorporation de raidisseurs et de chaînages en béton armé en nombre important. Ce qui, dans le cas de murs en  However, the seismic regulation requires the incorporation of stiffeners and reinforced concrete chaining in large numbers. Which, in the case of walls in

agglomérés, nécessite des coffrages bois effectués sur place à la demande.  agglomerated, requires wooden formwork made on site on request.

Le dispositif décrit permet de simplifier l'exécution des murs en béton armé en remplaçant les banches d'une part et le ferraillage d'autre part par un complexe de  The device described makes it possible to simplify the execution of reinforced concrete walls by replacing the formwork on the one hand and the reinforcement on the other hand by a complex of

coffrage perdu - ferraillage autostable "prêt à couler" manuportable.  lost formwork - self-supporting "ready to pour" reinforcement that can be moved.

Les dessins annexés illustrent l'invention dans le cas de murs droits:  The accompanying drawings illustrate the invention in the case of straight walls:

La figure 1 représente vue de face la composition du complexe de coffrage-ferraillage.  Figure 1 shows a front view of the composition of the formwork-reinforcement complex.

La figure 2 représente en coupe verticale les différents éléments constitutifs.  Figure 2 shows in vertical section the various constituent elements.

La figure 3 représente en coupe horizontale les différents éléments constitutifs.  Figure 3 shows in horizontal section the various constituent elements.

La figure 4 représente en coupe horizontale un montant et sa platine de fixation.  Figure 4 shows in horizontal section an amount and its mounting plate.

En référence à ces dessins, le complexe est constitué d'une ossature autostable (1) composée de montants (2) pour le maintien en pied par des chevilles(10), de raidisseurs (3) reliant les deux maillages soudés de fers à béton (4) servant d'armatures pour le béton à mettre en oeuvre et servant aussi de support aux feuilles de métal déployé (5) pliées de manière à garantir l'enrobage des fers (4) et utilisées en coffrage perdu et en  With reference to these drawings, the complex consists of a freestanding frame (1) composed of uprights (2) for holding the foot by dowels (10), stiffeners (3) connecting the two welded meshes of concrete irons (4) serving as reinforcements for the concrete to be used and also serving as support for the sheets of expanded metal (5) folded so as to guarantee the coating of the irons (4) and used in lost formwork and in

support d'enduit de parement.facing plaster support.

Les montants (2) permettent de maintenir la verticalité de l'ossature et d'éviter le  The uprights (2) allow to maintain the verticality of the frame and avoid the

soulèvement de l'ossature (1) lors du coulage du béton.  lifting of the framework (1) when pouring the concrete.

Les montants (2) sont équipés de platines de fixation métalliques (9) soudées qui  The uprights (2) are fitted with welded metal fixing plates (9) which

débordent de l'ossature (1) afin de la fixer sur la dalle basse par des chevilles (10).  protrude from the frame (1) in order to fix it on the lower slab by dowels (10).

Les raidisseurs (3) sont constitués de fer à béton (8) formant des poutres treillis qui  The stiffeners (3) consist of concrete iron (8) forming lattice beams which

maintiennent les aciers filants (6) par soudure.  hold the spinning steels (6) by welding.

Les montants (2) sont soudés aux raidisseurs (3).  The uprights (2) are welded to the stiffeners (3).

Les maillages de fers à béton (4) sont constitués des fers (6) et (7) soudés entre eux  The concrete reinforcement meshes (4) consist of the irons (6) and (7) welded together

de manière à constituer l'armature du voile béton armé à réaliser.  so as to constitute the reinforcement of the reinforced concrete veil to be produced.

Les maillages (4) servent aussi à transmettre les efforts dus à la poussée du béton frais sur les feuilles (5) jusqu'aux raidisseurs (3) qui équilibrent les efforts excercés par le  The meshes (4) also serve to transmit the forces due to the thrust of the fresh concrete on the sheets (5) to the stiffeners (3) which balance the forces exerted by the

béton sur les coffrages opposés réalisés par les feuilles de métal déployé (5).  concrete on the opposite forms made by the sheets of expanded metal (5).

Dans le cas de murs courbes les aciers filants (6) seront cintrés à la forme désirée  In the case of curved walls, the threaded steels (6) will be bent to the desired shape

avant assemblage des autres éléments.  before assembly of the other elements.

-2- A titre d'exemple, pour une vitesse de bétonnage de l'ordre de 2.5 m/h et pour un mur de 2.6 m de haut (hauteur courante), les aciers pourront être: aciers (6): acier HA FeE 500 diamètre 6 mm aciers (7): acier HA FeE 500 diamètre 4.5 mm aciers (8): acier HA FeE 500 diamètre 4.5 mm écartement entre aciers(6): 10 cm écartement entre aciers(7): 6. 66 cm écartement entre raidiseurs (3): 20 cm métal déployé plaques de l'ordre de 1.30 kg/m2 la face compte tenu de ces éléments le poids d'un panneau standard de 1.20 long x 2.60 haut serait de l'ordre de 50 kg L'avantage de ce procédé est le suivant: Les panneaux pourraient être assemblés en atelier suivant les dimensions des ouvrages à exécuter. Ils seraient amenés à pied d'oeuvre par camions et il ne resterait  -2- For example, for a concreting speed of the order of 2.5 m / h and for a wall 2.6 m high (running height), the steels could be: steels (6): HA FeE steel 500 diameter 6 mm steels (7): HA FeE steel 500 diameter 4.5 mm steels (8): HA FeE 500 steel diameter 4.5 mm spacing between steels (6): 10 cm spacing between steels (7): 6.66 cm spacing between stiffeners (3): 20 cm expanded metal plates of the order of 1.30 kg / m2 the face taking into account these elements the weight of a standard panel of 1.20 long x 2.60 high would be of the order of 50 kg The advantage of this process is as follows: The panels could be assembled in the workshop according to the dimensions of the works to be executed. They would be brought to work by trucks and there would be

qu'à réaliser l'assemblage des ossatures.  than to assemble the frames.

Il pourrait alors être mis en oeuvre par deux personnes sans engin de levage particulier. La mise en oeuvre du béton se ferait alors au camion pompe en une seule  It could then be used by two people without any particular lifting device. The concrete installation would then be done by the pump truck in a single

intervention lorsque tous les ouvrages seraient coffrés ferraillés.  intervention when all the structures are shuttered with scrap.

Les enduits de finition seraient exécutés manuellement ou à la machine à projeter  The finishing plasters would be executed manually or with a spraying machine

avec un enduit monocouche côté extérieur ou un enduit plâtre pour les murs intérieurs.  with a monolayer coating on the outside or a plaster coating for the interior walls.

-3--3-

Claims (5)

REVENDICATIONS 1) Dispositif de coffrage perdu - ferraillage autostable pour réaliser des murs en béton armé droits ou courbes caractérisé en ce qu'il comporte une ossature autostable(1) constituée de montants (2) pour le maintien en pied par des chevilles (10), de raidisseurs (3) reliant deux maillages soudés de fers à béton (4) servant d'armatures pour le béton à mettre en oeuvre et servant aussi de support à des feuilles de métal déployé (5) utilisées en coffrage perdu et pliées de manière à  1) Lost formwork device - freestanding reinforcement for producing straight or curved reinforced concrete walls, characterized in that it includes a freestanding framework (1) made up of uprights (2) for holding the foot in place by dowels (10), stiffeners (3) connecting two welded meshes of concrete bars (4) serving as reinforcements for the concrete to be used and also serving as support for sheets of expanded metal (5) used in lost formwork and folded so as to garantir l'enrobage des fers (4) et à servir de support d'enduit de finition.  guarantee the coating of the irons (4) and serve as a support for the finishing plaster. 2) Dispositif selon la revendication 1 caractérisé en ce que les montants (2) permettent de maintenir la verticalité de l'ossature (1) et d'éviter le soulèvement de  2) Device according to claim 1 characterized in that the uprights (2) allow to maintain the verticality of the frame (1) and to avoid lifting I'ossature lors du coulage du béton par l'intermédiaire de chevilles de fixation (10).  The framework during the pouring of the concrete by means of fixing dowels (10). 3) Dispositif selon la revendication I caractérisé en ce que les raidisseurs (3) constituent une partie de l'ossature (1) et assurent le maintien entre eux des deux  3) Device according to claim I characterized in that the stiffeners (3) constitute a part of the frame (1) and ensure the maintenance between them of the two maillages soudés (4) sous la pression du béton frais lors du coulage.  welded meshes (4) under the pressure of fresh concrete during casting. 4) Dispositif selon la revendication 3 caractérisé en ce que les maillages (4) constitués d'aciers (6) et (7) soudés entre eux constituent les armatures pour le  4) Device according to claim 3 characterized in that the meshes (4) made of steels (6) and (7) welded together constitute the reinforcements for the béton à mettre en oeuvre et servent de support aux feuilles de métal déployé (5).  concrete to be used and serve as support for the sheets of expanded metal (5). ) Dispositif selon la revendication 3 caractérisé en ce que les raidisseurs (3) sont constitués de fer à béton (8) formant des poutres treillis qui maintiennent des  ) Device according to claim 3 characterized in that the stiffeners (3) consist of concrete iron (8) forming lattice beams which maintain aciers filants (6) par soudure.drawing steels (6) by welding. 6) Dispositif selon la revendication 2 caractérisé en ce que les montants (2) sont soudés aux raidisseurs (3) et sont équipés de platines de fixation (9) débordant de l'ossature de coffrage-ferraillage (1) afin de fixer l'ossature sur la dalle basse par  6) Device according to claim 2 characterized in that the uprights (2) are welded to the stiffeners (3) and are equipped with fixing plates (9) projecting from the formwork-reinforcement framework (1) in order to fix the framework on the lower slab by les chevilles (10).the pegs (10).
FR9904171A 1998-12-22 1999-04-02 AUTOSTABLE REINFORCEMENT FORMWORK DEVICE Expired - Fee Related FR2787479B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9904171A FR2787479B1 (en) 1998-12-22 1999-04-02 AUTOSTABLE REINFORCEMENT FORMWORK DEVICE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9816188A FR2787478A1 (en) 1998-12-22 1998-12-22 Reinforcement and formwork for reinforced concrete walls has self-steadying frame with stiffeners connecting steel meshes serving as frame for concrete and supporting metal sheets and facing coating
FR9904171A FR2787479B1 (en) 1998-12-22 1999-04-02 AUTOSTABLE REINFORCEMENT FORMWORK DEVICE

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FR2787479A1 true FR2787479A1 (en) 2000-06-23
FR2787479B1 FR2787479B1 (en) 2001-03-09

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FR9904171A Expired - Fee Related FR2787479B1 (en) 1998-12-22 1999-04-02 AUTOSTABLE REINFORCEMENT FORMWORK DEVICE

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2833281A1 (en) * 2001-12-12 2003-06-13 Thierry Rastello Concrete wall reinforcing and lost shuttering system comprises rigid frame of stiffeners and spacer rods supporting expanded metal sheets
CN109577524A (en) * 2019-01-02 2019-04-05 常州市米尼特机械有限公司 A kind of cast-in-place foamed concrete wall

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003966A1 (en) * 1984-03-02 1985-09-12 Jean Debuyst Structural elements and method for making the same
FR2689919A1 (en) * 1992-04-10 1993-10-15 Domex Method of making concrete structures and metal structures for its implementation.
DE29602697U1 (en) * 1995-08-01 1996-11-28 Fischer Willibald formwork

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003966A1 (en) * 1984-03-02 1985-09-12 Jean Debuyst Structural elements and method for making the same
FR2689919A1 (en) * 1992-04-10 1993-10-15 Domex Method of making concrete structures and metal structures for its implementation.
DE29602697U1 (en) * 1995-08-01 1996-11-28 Fischer Willibald formwork

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2833281A1 (en) * 2001-12-12 2003-06-13 Thierry Rastello Concrete wall reinforcing and lost shuttering system comprises rigid frame of stiffeners and spacer rods supporting expanded metal sheets
CN109577524A (en) * 2019-01-02 2019-04-05 常州市米尼特机械有限公司 A kind of cast-in-place foamed concrete wall
CN109577524B (en) * 2019-01-02 2024-02-13 常州市米尼特机械有限公司 Cast-in-situ foam concrete wall

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