FR2810687A1 - Lost shuttering element for prefabricated concrete floor beams or slab edges has vertical edge and thrust members with connecting pieces between - Google Patents

Lost shuttering element for prefabricated concrete floor beams or slab edges has vertical edge and thrust members with connecting pieces between Download PDF

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Publication number
FR2810687A1
FR2810687A1 FR0008205A FR0008205A FR2810687A1 FR 2810687 A1 FR2810687 A1 FR 2810687A1 FR 0008205 A FR0008205 A FR 0008205A FR 0008205 A FR0008205 A FR 0008205A FR 2810687 A1 FR2810687 A1 FR 2810687A1
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France
Prior art keywords
blocks
connecting pieces
formwork
edge
elements according
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Granted
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FR0008205A
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French (fr)
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FR2810687B1 (en
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Philippe Petermann
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Priority to FR0008205A priority Critical patent/FR2810687B1/en
Priority to PCT/FR2001/000981 priority patent/WO2002001015A1/en
Priority to AU48439/01A priority patent/AU4843901A/en
Publication of FR2810687A1 publication Critical patent/FR2810687A1/en
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Publication of FR2810687B1 publication Critical patent/FR2810687B1/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/01—Flat foundations
    • E02D27/02—Flat foundations without substantial excavation
    • 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
    • E04B2/8623—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The shuttering element consists of a vertical edge member (1), a parallel vertical thrust member (2) of the same length as the edge member but lower, and perpendicular connecting pieces between them, aligned with the upper edge of the thrust member. Corner elements can be made with two-section edge and thrust members at right angles, joined by two connecting pieces each, and both edge and thrust members have rebated ends (4) to connect them with adjoining elements.

Description

La présente invention concerne un dispositif constructif composé d'éléments préfabriqués faisant office de coffrage perdu destinés à réaliser le coffrage périphérique des planchers en poutrelles et hourdis ou des planchers en prédalles.Ce dispositif s'applique aux planchers posés sur des murs maçonnés ou en béton,tant au niveau du haut de sous-sol,du vide sanitaire que des planchers en élévation. The present invention relates to a constructive device composed of prefabricated elements acting as a lost formwork intended to produce the peripheral formwork of joist and slab floors or of pre-slab floors. This device applies to floors placed on masonry or concrete walls. , both at the top of the basement, the crawl space and the raised floors.

La mise en place de ce coffrage est traditionnellement réalisée deux manières: Construction et pose d'un coffrage en bois sur la périphérie de la construction,mise à niveau et maintien de l'ensemble avec des étais ou serre-joints jusqu'à durcissement suffisant de la dalle compression. Démontage et dépose du coffrage après durcissement. Cette méthode est longue,lourde et délicate de mise en oeuvre. The installation of this formwork is traditionally carried out in two ways: Construction and installation of a wooden formwork on the periphery of the construction, leveling and maintenance of the assembly with props or clamps until sufficient hardening of the compression slab. Disassembly and removal of the formwork after hardening. This method is long, cumbersome and delicate to implement.

-Pose au mortier,sur la tranche,d'une planelle sur l'arase mur.Cette méthode nécessite l'attente du séchage du mortier de pose avant de pouvoir couler la dalle de compression et la résistance du montage n'est pas toujours suffisante pour s'opposer à la poussée béton au moment de sa mise en place. -Position in the mortar, on the edge, of a plane on the leveling wall.This method requires waiting for the drying of the laying mortar before being able to pour the compression slab and the mounting resistance is not always sufficient to oppose the concrete thrust when it is put in place.

Le dispositif selon l'invention permet de remédier à ces inconvénients. The device according to the invention overcomes these drawbacks.

II est composé des éléments individuels, appelés blocs,permettant le coffrage des parties linéaires,des angles entrants ou sortants ainsi que d'éléments dits de fermeture, permettant de boucler le coffrage. It is composed of individual elements, called blocks, allowing the formwork of the linear parts, incoming or outgoing angles as well as so-called closing elements, making it possible to complete the formwork.

Les blocs sont composés,selon une première caractéristique, d'une pièce disposée verticalement dans le sens de la longueur,faisant office de pièce de coffrage de rive dont hauteur est définie par l'épaisseur du plancher,d'une deuxième pièce disposée verticalement et parallèle à la première,dite pièce d'appui,sur laquelle viennent s'appuyer les poutrelles ou les prédalles.Cette piece d'appui est de même longueur que la pièce de coffrage de rive mais moins haute.lls disposent de pièces liaison placées perpendiculairement aux deux pièces précédentes à leurs extrémités,assurant l'assemblage et l'écartement celles-ci.La largeur de ces pièces de liaison permet d'ajuster la largeur du bloc à l'épaisseur du mur.Les pièces de liaison sont selon deuxième caractéristique, alignées sur l'arête supérieure de la pièce d'appui, permettant la pose du chainage périphérique et la hauteur de ces pièces de liaison permet de créer un espace vide dans la partie inférieure du bloc laissant passer le béton au moment de sa mise en place.Les éléments disposent selon une troisième caractéristique,de part et d'autre de la pièce de coffrage de rive,et sur toute sa hauteur,d'une feuillure permettant l'emboitement des blocs les uns aux autres et assurant l'étanchéité du coffrage. The blocks are composed, according to a first characteristic, of a piece arranged vertically in the lengthwise direction, acting as a formwork piece for the edge, the height of which is defined by the thickness of the floor, of a second piece arranged vertically and parallel to the first, called support piece, on which the beams or the pre-slabs come to rest. This support piece is the same length as the edge formwork piece but less tall. They have connecting pieces placed perpendicularly to the two previous pieces at their ends, ensuring their assembly and spacing. The width of these connecting pieces makes it possible to adjust the width of the block to the thickness of the wall. The connecting pieces are according to the second characteristic , aligned on the upper edge of the support piece, allowing the installation of the peripheral chaining and the height of these connecting pieces allows to create an empty space in the pa lower part of the block letting the concrete pass when it is put in place. The elements have, according to a third characteristic, on either side of the edge formwork piece, and over its entire height, a rebate allowing the 'interlocking of blocks with each other and ensuring the tightness of the formwork.

Les blocs d'angle sont composés des mêmes pièces mais la pièce de coffrage de rive et la pièce d'appui sont,selon une quatrième caractéristique, coudée dans leur partie centrale pour former un angle. The corner blocks are composed of the same parts but the edge formwork part and the support part are, according to a fourth characteristic, bent in their central part to form an angle.

Les blocs d'angle comportent selon une cinquième caractéristique,au moins quatre pièces de liaison.Celles-ci sont disposées de la manière suivante:deux pièces à chaque extrémités du bloc et deux pièces dans la partie centrale,formant coffrage du chainage d'angle.Dans cette configuration,les pièces de liaison sont alignées sur l'arête supérieure la pièce d'appui et leurs hauteur permet de créer un espace vide dans la partie inférieure du bloc laissant couler le béton au moment de sa mise en place.Les pièces de coffrage de rive des blocs d'angle disposent,de part et d'autres et sur toute leurs hauteur,d'une feuillure permettant l'emboitement des blocs et assurant l'étanchéité du coffrage. According to a fifth characteristic, the corner blocks comprise at least four connecting pieces, which are arranged as follows: two pieces at each end of the block and two pieces in the central part, forming the formwork of the corner chaining .In this configuration, the connecting pieces are aligned on the upper edge of the support piece and their height makes it possible to create an empty space in the lower part of the block letting the concrete flow when it is put in place. edge formwork corner blocks have, on both sides and over their entire height, a rebate allowing the interlocking of the blocks and ensuring the tightness of the formwork.

Les pièces de coffrage rive des blocs de fermeture ne disposent selon une sixième caractéristique, que d'une feuillure de l'un ou l'autre des cotés de la pièce. According to a sixth characteristic, the shuttering pieces on the shore of the closing blocks have only one rebate on one or the other of the sides of the piece.

Les dessins annexés illustrent l'invention: La figure 1 représente en coupe le principe de l'invention. La figure 2 représente en perspective un bloc linéaire. The accompanying drawings illustrate the invention: Figure 1 shows in section the principle of the invention. Figure 2 shows in perspective a linear block.

La figure 3 représente en plan un bloc d'angle sortant. Figure 3 shows in plan an outgoing corner block.

La figure 4 représente en perspective un bloc d'angle sortant. La figure S représente en plan un bloc d'angle entrant. Figure 4 shows in perspective an outgoing corner block. Figure S shows in plan an incoming corner block.

La figure 6 représente en perspective un bloc d'angle entrant. figures 7 et 8 représentent en plan un bloc de fermeture. Figure 6 shows in perspective an incoming corner block. Figures 7 and 8 show in plan a closure block.

En référence à ces dessins,les blocs comportent une piece de coffrage de rive disposée verticalement dans le sens de longueur(1),une pièce d'appui (2),disposée verticalement parallèlement à la pièce de coffrage de rive et de même longueur mais moins haute.La liaison entre les deux pièces est assurée par les pièces liaison (3) disposées perpendiculairement aux deux autres,à leurs extrémités.Ces pièces de liaison sont placées au droit de l'arête supérieure de la pièce d'appui .La hauteur de ces pièces de jonction est telle qu'un vide (4) est créé sous celles-ci, permettant le passage du béton au moment de son coulage.La pièce de coffrage de rive dispose à chacune de ses extrémités et dans le sens de la hauteur,d'une feuillure ( ) permettant l'emboitement des blocs les uns aux autres sauf les blocs de fermeture,n'en possédant qu'une,de l'un ou l'autre de leurs cotés. With reference to these drawings, the blocks comprise a piece of edge formwork arranged vertically in the length direction (1), a support piece (2), arranged vertically parallel to the piece of edge formwork and of the same length but lower. The connection between the two pieces is ensured by the connecting pieces (3) arranged perpendicular to the other two, at their ends. These connecting pieces are placed in line with the upper edge of the support piece. of these junction pieces is such that a void (4) is created beneath them, allowing the passage of concrete when it is poured. The edge formwork piece has at each of its ends and in the direction of the height, a rebate () allowing the interlocking of the blocks to each other except the closing blocks, having only one, on one or the other of their sides.

Pour les blocs d'angle,les pièces de liaison (3) sont nombres de quatre.Deux sont disposées aux extrémités du bloc et deux autres dans la partie centrale.Les pièces de liaison sont disposées au droit de l'arête supérieure de la pièce d'appui et leurs hauteur est telle qu'un vide (4) est créé sous celles-ci, permettant le passage du béton au moment de son coulage. For the corner blocks, the connecting pieces (3) are four in number; two are arranged at the ends of the block and two others in the central part. The connecting pieces are arranged in line with the upper edge of the piece support and their height is such that a vacuum (4) is created under them, allowing the passage of concrete at the time of its pouring.

Les dimensions,les proportions ou la forme des pièces formant blocs sont ajustables en fonction de toutes les épaisseurs de murs de planchers et sont susceptibles de modifications en raison de dispositions constructives particulières et/ou des caractéristiques mécaniques obtenues à la fabrication des blocs. The dimensions, the proportions or the shape of the pieces forming blocks are adjustable as a function of all the thicknesses of floor walls and are liable to modifications due to particular constructive arrangements and / or the mechanical characteristics obtained during the manufacture of the blocks.

Les règles et dispositions constructives ainsi que les matériaux utilisés pour la fabrication des blocs étant parfaitement connus,les éléments individuels composant ce dispositif constructif sont susceptibles d'application industrielle.The rules and constructive provisions as well as the materials used for the manufacture of the blocks being perfectly known, the individual elements composing this constructive device are susceptible of industrial application.

Claims (6)

REVENDICATIONS 1)Eléments préfabriqués, appelés blocs,faisant office de coffrage perdu destinés à réaliser le coffrage périphérique des planchers en poutrelles et hourdis ou planchers en prédalles,caractérisés en ce que les blocs comportent pièce disposée verticalement dans le sens de la longueur,faisant office de coffrage de rive(1),une pièce disposée verticalement parallèle à la première,dite pièce d'appui(2),de même longueur mais moins haute et des pièces de liaison (3),placées perpendiculairement au deux précédentes et à leurs extrémités,assurant l'assemblage et l'écartement de celles-ci.1) Prefabricated elements, called blocks, acting as lost formwork intended to achieve the peripheral formwork of joist and slab floors or slab floors, characterized in that the blocks comprise a part arranged vertically lengthwise, acting as edge formwork (1), a part arranged vertically parallel to the first, called support piece (2), of the same length but less high and connecting parts (3), placed perpendicular to the previous two and at their ends, ensuring the assembly and spacing thereof. 2)Eléments selon revendication 1 caractérisés en ce que les pièces de liaison(3) sont alignées sur l'arête supérieure de la pièce d'appui(2) et,étant moins haute que celle-ci,créent un espace vide(4) dans la partie inférieure bloc.2) Elements according to claim 1 characterized in that the connecting pieces (3) are aligned on the upper edge of the support piece (2) and, being lower than the latter, create an empty space (4) in the lower block. 3)Eléments selon la revendication 1 caractérisés en ce que la pièce de coffrage de rive(1) dispose de part et d'autre,dans le sens de la hauteur,d'une feuillure(5) permettant l'emboitement des blocs.3) Elements according to claim 1 characterized in that the edge formwork part (1) has on either side, in the height direction, a rebate (5) allowing the interlocking of the blocks. 4)Eléments selon la revendication 1 caractérisés en ce que les pièces de coffrage de rive(1) et les pièces d'appui(2),coudées dans leurs partie centrale constituent des blocs d'angle.4) Elements according to claim 1 characterized in that the edge formwork parts (1) and the support parts (2), bent in their central part constitute corner blocks. 5)Eléments selon la revendication 1 et la revendication 2 caractérisés en ce que les blocs d'angle disposent d'au moins quatre pièces de liaison(3).5) Elements according to claim 1 and claim 2 characterized in that the corner blocks have at least four connecting pieces (3). 6)Eléments selon la revendication 3 caractérisés en ce que les blocs de fermeture ne disposent d'une feuillure(5),de l'un ou l'autre des cotés de la pièce de coffrage de rive.6) Elements according to claim 3 characterized in that the closure blocks do not have a rebate (5), on one or the other of the sides of the edge formwork part.
FR0008205A 2000-06-27 2000-06-27 FLOORING SHORES BLOCK Expired - Fee Related FR2810687B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0008205A FR2810687B1 (en) 2000-06-27 2000-06-27 FLOORING SHORES BLOCK
PCT/FR2001/000981 WO2002001015A1 (en) 2000-06-27 2001-04-02 Forming units for prefabricated nosings
AU48439/01A AU4843901A (en) 2000-06-27 2001-04-02 Forming units for prefabricated nosings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0008205A FR2810687B1 (en) 2000-06-27 2000-06-27 FLOORING SHORES BLOCK

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FR2810687A1 true FR2810687A1 (en) 2001-12-28
FR2810687B1 FR2810687B1 (en) 2002-08-16

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FR (1) FR2810687B1 (en)
WO (1) WO2002001015A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2080837A3 (en) * 2008-01-16 2011-01-26 Jackon Insulation GmbH Lost plastic foam formwork for grounding boards for structures
FR3084684A1 (en) 2018-08-06 2020-02-07 Phare Gestion LOST FORMWORK ELEMENTS FOR CONCRETE FLOOR SLAB

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105464383A (en) * 2014-09-03 2016-04-06 中国建筑第四工程局有限公司 Arc ring beam construction method and ring beam formwork building block

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151935A1 (en) * 1981-12-30 1983-07-14 Anton 8963 Waltenhofen Heninger Concrete shuttering block
GB2284436A (en) * 1993-11-05 1995-06-07 Forma Block Inc Blocks for use at floor-wall junction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151935A1 (en) * 1981-12-30 1983-07-14 Anton 8963 Waltenhofen Heninger Concrete shuttering block
GB2284436A (en) * 1993-11-05 1995-06-07 Forma Block Inc Blocks for use at floor-wall junction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2080837A3 (en) * 2008-01-16 2011-01-26 Jackon Insulation GmbH Lost plastic foam formwork for grounding boards for structures
FR3084684A1 (en) 2018-08-06 2020-02-07 Phare Gestion LOST FORMWORK ELEMENTS FOR CONCRETE FLOOR SLAB

Also Published As

Publication number Publication date
AU4843901A (en) 2002-01-08
WO2002001015A1 (en) 2002-01-03
FR2810687B1 (en) 2002-08-16

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