EP2110496A1 - Device allowing the creation of a reservation when building concrete walls - Google Patents

Device allowing the creation of a reservation when building concrete walls Download PDF

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Publication number
EP2110496A1
EP2110496A1 EP08154657A EP08154657A EP2110496A1 EP 2110496 A1 EP2110496 A1 EP 2110496A1 EP 08154657 A EP08154657 A EP 08154657A EP 08154657 A EP08154657 A EP 08154657A EP 2110496 A1 EP2110496 A1 EP 2110496A1
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EP
European Patent Office
Prior art keywords
sliding
fixed part
formwork
box
concrete
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.)
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EP08154657A
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German (de)
French (fr)
Inventor
Pierre Michiels
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.)
Plakabeton SA
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Plakabeton SA
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Publication date
Application filed by Plakabeton SA filed Critical Plakabeton SA
Priority to EP08154657A priority Critical patent/EP2110496A1/en
Priority to EP09158028A priority patent/EP2110495A1/en
Publication of EP2110496A1 publication Critical patent/EP2110496A1/en
Withdrawn legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G15/00Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/06Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
    • E04G15/063Re-usable forms
    • E04G15/068Re-usable forms for channels open towards the surface
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, 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
    • E04G11/365Stop-end shutterings

Definitions

  • the present invention relates to the field of construction and in particular to the realization of junctions between concrete vertical parts such as facade walls with horizontal parts such as slabs.
  • the present invention relates to the realization of reservation during this junction.
  • thermal bridge Devices to reduce heat loss have been proposed and generally consist in ensuring the continuity of the thermal insulation by the interposition of an element called thermal breaker. presenting in the form of a metal element and which ensures the continuity of the interior insulation with only a few ad hoc anchors thus allowing to maintain the stability of the structure.
  • the traditional solution consists first of all to realize the veil of vertical frontage by stopping it at the lower level of the slab, then to place the thermal breaker in its place, to form the edge of the slab and to realize the slab of the side of the breaker and finally to achieve the end of sail to the upper level of the slab. It is then possible to remove the slab edge and make the last part of the facade of the upper floor and this by starting the entire process on each floor. It is observed that the fact of placing a thermal breaker requires the façade veil to be made in several phases with successive concreting stops; which of course not only generates the need to use smaller quantities of concrete that require increased manpower and thus additional time and cost.
  • the present invention aims to provide a solution that allows concreting in a single phase while allowing to have a thermal breaker.
  • the present invention thus aims to ensure easy concreting, neat and which does not require the fact of having to work in the precipitation.
  • the present invention also aims to provide an elegant system that does not increase production costs or the ability of laying workers.
  • the present invention relates first of all to a device in the form of a longitudinal parallelepiped box allowing the realization of a reservation during the formation of concrete structure characterized in that it comprises at least one sliding part in the longitudinal direction in a fixed part making it possible to increase the volume of the box.
  • this box comprises at each of its lateral ends of the fixed part a sliding part.
  • each of the sliding parts has a length corresponding to half the length of the fixed part of the box so as to double the initial volume when extending the sliding parts out of the fixed part.
  • At least a portion of one of the preferably longitudinal faces of the box is not completely closed so as to allow the placement of fastening means of said box to the formwork elements on which it will become solid.
  • the fixed part is formed by a parallelepipedal space open at the lateral ends and preferably open on one of the longitudinal faces while the sliding parts are designed as a drawer, preferably without bottom.
  • handles will be arranged on the sliding parts.
  • the material allowing the realization of the sliding part is plastic, wood or metal while the material for making the fixed part is plastic, wood or metal.
  • the dimensions of the box and in particular the lateral width is between 3/4 and 1/2 and preferably close to 2/3 of the total width available in a formwork element.
  • the devices are arranged along the length of the web such that two successive devices come into contact with each other when the adjacent sliding parts have been slid or slid.
  • the present invention is particularly useful for the realization of a reservation for the installation of a thermal breaker at the junction of the facade / slab.
  • the figure 1 schematically describes the problem of joining a vertical part with a horizontal part which allows the installation of a thermal breaker.
  • the figures 2 schematically describe the device according to the present invention in the sliding position.
  • the figures 3 describe the constituent elements of the device according to the present invention being in the form of a longitudinal parallelepiped box and which allows the realization of a reservation during the formation of this junction.
  • the Figures 4 and 5 describe the principle of laying the device according to the present invention according to a method of making a junction between a vertical portion and a horizontal concrete portion.
  • the figure 1 describes the problem that arises during the realization of concrete structures which requires the junction between a slab arranged horizontally and a frontage or a veil of facade arranged vertically.
  • the vertical veil of the facade is continuous, it can not have an interior insulation on the entire height.
  • this internal insulation is interrupted to the right of the slab, and this along the entire length of the vertical facade and likewise on the entire periphery of the building.
  • thermal breaker a device has been proposed called "thermal breaker" which allows to recreate the continuity of the inner insulation.
  • the front panel (1) is made by stopping it at the lower level (2) of the upper panel (3). Then, the thermal breaker (5) is placed and the edge of the slab (3) is sealed so as to form the slab on one side (6) of the breaker and the end of the sail on the other side (7) until at the upper level (8) of the slab.
  • the thermal breaker (5) is placed and the edge of the slab (3) is sealed so as to form the slab on one side (6) of the breaker and the end of the sail on the other side (7) until at the upper level (8) of the slab.
  • the present invention is simply to propose to realize an outer formwork of the facade wall directly in a single phase.
  • the figure 2 schematically shows in section a device in the form of a longitudinal parallelepiped box and which consists essentially of two parts.
  • two moving parts are present at each end of the fixed part.
  • the dimensions of the fixed and movable parts are calculated so that the movable part or parts slide or slide easily in the fixed part.
  • the fixed and mobile parts are represented in Figures 3a and 3b with their ratings respectively.
  • the fixed part is essentially an element having three faces and constituting a longitudinal parallelepiped whose lateral parts are open, thus allowing the placement of a sliding element (moving part) being essentially in the form of a drawer that is to say a parallelepiped box whose at least one side face is closed or closed.
  • At least one of the longitudinal faces of the parallelepiped of both the fixed portion and the sliding portion is free or open so as to allow the placement of fasteners and in particular magnetic fasteners.
  • These fixing elements are designed in such a way as to allow the attachment of the device to the formwork.
  • handles (14) can be arranged on each of the moving parts.
  • each movable part will preferably be of the order of half of the fixed part, so that in folded position, each of the two moving parts can easily integrate with the fixed part and in the deployed position. , the planned volume is doubled.
  • the Figures 4 and 5 represent the different steps for laying said box.
  • the said fixing means are arranged on the internal part of the formwork of the veil with the aid of suitable elements and this at the height of the placement of the horizontal part of the slab.
  • the vertical formwork of concrete is filled up to flush with said sliding device.
  • the moving parts of said device are slid or slid so that the moving parts of two adjacent devices come into contact, so as to form a single volume. Finishing said concrete phase by filling the free space between the various devices that are arranged in the expanded part of the form and after drying is simply removed or the successive devices thus creating a reservation (10).
  • the Figures 5a and 5b represent several devices arranged next to each other.
  • the figure 5a is a plurality of devices arranged with an interval which, when the moving parts in drawer form are deployed or extended, come into contact with each other. In fact, the "left" part of a first device comes into contact with the "right” part of the adjacent device. As represented in figure 5b it is thus possible to create a continuous reservation (10).
  • the size and in particular the width of the sliding device will be chosen so as to make a reservation between 3/4 and 1/2 of the width, thus leaving a portion of sail between 1/4 and 1/2 of the total width at the level of the reservation.
  • the width of the sliding device is of the order of 2/3 of the width of the web, that is to say between 12 and 13 cm.
  • the length of the fixed part of the sliding device can be several meters.
  • the various fixed and moving parts of the device must not be made of the same material. They can be made of metal, plastic or even wood. This will depend mainly on local construction habits.

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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)

Abstract

The device has a movable part (13) sliding in longitudinal direction in a fixed part (12) to increase the volume of a caisson (15). The movable part is provided at each ends of the fixed part. Each of the movable parts has length corresponding to half of length of the fixed part of the caisson so as to double original volume when the movable parts slide in the fixed part. The fixed part is made of plastic, wood or metal, and a grab bar (14) is placed in sliding parts. An independent claim is also included for a method for realizing a junction of a vertical part i.e. shell of concrete facade, with respect to a horizontal part i.e. slab in a concrete structure.

Description

Objet de l'inventionObject of the invention

La présente invention se rapporte au domaine de la construction et en particulier à celui de la réalisation des jonctions entre des parties verticales bétonnées telles que des voiles de façade avec des parties horizontales telles que des dalles.The present invention relates to the field of construction and in particular to the realization of junctions between concrete vertical parts such as facade walls with horizontal parts such as slabs.

Plus particulièrement la présente invention se rapporte à la réalisation de réservation lors de cette jonction.More particularly, the present invention relates to the realization of reservation during this junction.

Etat de la techniqueState of the art

On connaît bien la problématique liée aux jonctions due à la réalisation de voile de façade avec isolation par l'intérieur avec des dalles horizontales. En effet, les structures étant continues, l'isolation intérieure est interrompue au droit de la dalle et ceci sur toute la périphérie du bâtiment. Cela pose évidemment un problème important de déperdition calorique et génère souvent la présence d'une condensation à l'intérieur du bâtiment. Ce phénomène bien connu dans le monde de la construction est généralement dénommé « pont thermique ». Des dispositifs destinés à réduire les déperditions caloriques ont été proposés et consistent en général à assurer la continuité de l'isolation thermique par l'interposition d'un élément appelé rupteur thermique se présentant sous la forme d'un élément métallique et qui permet d'assurer la continuité de l'isolation intérieure avec seulement quelques ancrages ponctuels permettant ainsi de conserver la stabilité de l'ouvrage.We know the problem related to junctions due to the realization of facade veil with insulation from the inside with horizontal slabs. Indeed, the structures being continuous, the inner insulation is interrupted to the right of the slab and this on the entire periphery of the building. This obviously poses a significant problem of heat loss and often generates the presence of condensation inside the building. This phenomenon well known in the world of construction is generally referred to as "thermal bridge". Devices to reduce heat loss have been proposed and generally consist in ensuring the continuity of the thermal insulation by the interposition of an element called thermal breaker. presenting in the form of a metal element and which ensures the continuity of the interior insulation with only a few ad hoc anchors thus allowing to maintain the stability of the structure.

Afin de poser ce rupteur thermique, il est pour l'instant obligatoire d'interrompre les phases de bétonnage. En effet, ainsi que représenté à la figure 1, la solution traditionnelle consiste tout d'abord à réaliser le voile de façade vertical en l'arrêtant au niveau inférieur de la dalle, ensuite à placer le rupteur thermique à sa place, à coffrer le bord de la dalle et à réaliser la dalle du côté du rupteur et enfin à réaliser le bout de voile jusqu'au niveau supérieur de la dalle. Il est ensuite possible de décoffrer le bord de dalle et de réaliser la dernière partie du voile de façade de l'étage supérieur et ceci en recommençant le processus complet à chaque étage. On observe que le fait de placer un rupteur thermique impose de réaliser le voile de façade en plusieurs phases avec des arrêts de bétonnage successifs ; ce qui bien sûr génère non seulement la nécessité d'utiliser des quantités de béton plus petites qui nécessitent une main d'oeuvre accrue et donc des temps d'exécution et des coûts supplémentaires.In order to install this thermal breaker, it is for the moment obligatory to interrupt the concreting phases. Indeed, as represented in figure 1 , the traditional solution consists first of all to realize the veil of vertical frontage by stopping it at the lower level of the slab, then to place the thermal breaker in its place, to form the edge of the slab and to realize the slab of the side of the breaker and finally to achieve the end of sail to the upper level of the slab. It is then possible to remove the slab edge and make the last part of the facade of the upper floor and this by starting the entire process on each floor. It is observed that the fact of placing a thermal breaker requires the façade veil to be made in several phases with successive concreting stops; which of course not only generates the need to use smaller quantities of concrete that require increased manpower and thus additional time and cost.

Buts de l'inventionGoals of the invention

La présente invention vise à proposer une solution qui permet de réaliser le bétonnage en une seule phase tout en permettant de disposer d'un rupteur thermique.The present invention aims to provide a solution that allows concreting in a single phase while allowing to have a thermal breaker.

La présente invention vise ainsi à garantir un bétonnage facile, soigné et qui ne nécessite pas le fait de devoir travailler dans la précipitation.The present invention thus aims to ensure easy concreting, neat and which does not require the fact of having to work in the precipitation.

La présente invention vise également à proposer un système élégant qui n'augmente pas les coûts de production ou l'habilité de pose des ouvriers.The present invention also aims to provide an elegant system that does not increase production costs or the ability of laying workers.

Principaux éléments caractéristiquesMain characteristic elements

La présente invention se rapporte tout d'abord à un dispositif se présentant sous la forme d'un caisson parallélépipédique longitudinal permettant la réalisation d'une réservation lors de la formation de structure en béton caractérisé en ce qu'il comprend au moins une partie coulissante dans le sens longitudinal dans une partie fixe permettant d'augmenter le volume du caisson.The present invention relates first of all to a device in the form of a longitudinal parallelepiped box allowing the realization of a reservation during the formation of concrete structure characterized in that it comprises at least one sliding part in the longitudinal direction in a fixed part making it possible to increase the volume of the box.

De préférence, ce caisson comprend à chacune de ses extrémités latérales de la partie fixe une partie coulissante.Preferably, this box comprises at each of its lateral ends of the fixed part a sliding part.

De préférence, chacune des parties coulissantes présente une longueur correspondant à la moitié de la longueur de la partie fixe du caisson de manière à doubler le volume initial lorsque l'on étend les parties coulissantes hors de la partie fixe.Preferably, each of the sliding parts has a length corresponding to half the length of the fixed part of the box so as to double the initial volume when extending the sliding parts out of the fixed part.

De préférence, au moins une partie d'une des faces de préférence longitudinales du caisson n'est pas complètement obturée de manière à permettre le placement de moyens de fixation dudit caisson aux éléments de coffrage sur lequel il va se solidariser.Preferably, at least a portion of one of the preferably longitudinal faces of the box is not completely closed so as to allow the placement of fastening means of said box to the formwork elements on which it will become solid.

De préférence, la partie fixe est réalisée par un espace parallélépipédique ouvert aux extrémités latérales et de préférence ouvert sur une des faces longitudinales tandis que les parties coulissantes sont réalisées sous forme de tiroir, de préférence sans fond.Preferably, the fixed part is formed by a parallelepipedal space open at the lateral ends and preferably open on one of the longitudinal faces while the sliding parts are designed as a drawer, preferably without bottom.

Selon une forme avantageuse, des poignées seront disposées sur les parties coulissantes. De préférence, le matériau permettant la réalisation de la partie coulissante est du plastique, du bois ou du métal tandis que le matériau permettant la réalisation de la partie fixe est du plastique, du bois ou du métal.In an advantageous form, handles will be arranged on the sliding parts. Preferably, the material allowing the realization of the sliding part is plastic, wood or metal while the material for making the fixed part is plastic, wood or metal.

De préférence, les dimensions du caisson et en particulier la largeur latérale est comprise entre 3/4 et 1/2 et de préférence proche de 2/3 de la largeur totale disponible dans un élément de coffrage.Preferably, the dimensions of the box and in particular the lateral width is between 3/4 and 1/2 and preferably close to 2/3 of the total width available in a formwork element.

La présente invention vise également à proposer un procédé de réalisation d'une jonction d'une partie verticale se présentant sous la forme d'un voile d'une façade en béton par rapport à une partie horizontale se présentant sous la forme d'une dalle dans une structure en béton dans lequel

  • On place le coffrage pour la réalisation de la partie verticale sous forme de voile,
  • On dispose au sein dudit coffrage à hauteur du placement de la partie horizontale au moins un dispositif tel que décrit ci-dessus, ce dispositif étant en position non étendue ou déployée,
  • On comble le coffrage vertical de béton jusqu'à affleurer ledit dispositif coulissant,
  • On fait coulisser ou glisser la ou les parties coulissantes,
  • On termine ladite phase de bétonnage en comblant l'espace libre présent entre ledit dispositif coulissant et le coffrage,
  • Après séchage, on retire ledit dispositif réalisant ainsi une réservation.
The present invention also aims to propose a method of making a junction of a vertical portion in the form of a veil of a concrete facade with respect to a horizontal portion in the form of a slab in a concrete structure in which
  • The formwork is placed for the realization of the vertical part in the form of a sail,
  • Within said formwork, at least one device as described above is disposed at the height of the horizontal portion, this device being in the non-extended or deployed position,
  • The vertical formwork of concrete is filled up to flush with said sliding device,
  • The sliding part (s) are slid or slid,
  • Said concrete phase is completed by filling the free space between said sliding device and the formwork,
  • After drying, said device is removed thereby realizing a reservation.

De préférence, les dispositifs sont disposés sur la longueur du voile de telle manière à ce que deux dispositifs successifs entrent en contact les uns avec les autres lorsque l'on a fait coulisser ou glisser les parties coulissantes adjacentes.Preferably, the devices are arranged along the length of the web such that two successive devices come into contact with each other when the adjacent sliding parts have been slid or slid.

La présente invention est particulièrement utile pour la réalisation d'une réservation destinée à la pose d'un rupteur thermique au niveau de la jonction voile de façade/dalle.The present invention is particularly useful for the realization of a reservation for the installation of a thermal breaker at the junction of the facade / slab.

Brève description des figuresBrief description of the figures

La présente invention sera décrite en détail à l'aide des figures qui suivent dans lesquelles :The present invention will be described in detail with the aid of the following figures in which:

La figure 1 décrit de manière schématique la problématique de la jonction d'une partie verticale avec une partie horizontale qui permet la pose d'un rupteur thermique.The figure 1 schematically describes the problem of joining a vertical part with a horizontal part which allows the installation of a thermal breaker.

Les figures 2 décrivent de manière schématique le dispositif selon la présente invention en position coulissée.The figures 2 schematically describe the device according to the present invention in the sliding position.

Les figures 3 décrivent les éléments constitutifs du dispositif selon la présente invention se présentant sous la forme d'un caisson parallélépipédique longitudinal et qui permet la réalisation d'une réservation lors de la formation de cette jonction.The figures 3 describe the constituent elements of the device according to the present invention being in the form of a longitudinal parallelepiped box and which allows the realization of a reservation during the formation of this junction.

Les figures 4 et 5 décrivent le principe de pose du dispositif selon la présente invention selon un procédé de réalisation d'une jonction entre une partie verticale et une partie horizontale en béton.The Figures 4 and 5 describe the principle of laying the device according to the present invention according to a method of making a junction between a vertical portion and a horizontal concrete portion.

Description détaillée d'une forme d'exécution préférée de l'inventionDetailed description of a preferred embodiment of the invention

La figure 1 décrit la problématique qui se pose lors de la réalisation d'ouvrages en béton qui nécessite la jonction entre une dalle disposée horizontalement et une façade ou un voile de façade disposé de manière verticale. En effet, le voile vertical de la façade étant continu, on ne peut disposer une isolation intérieure sur la totalité de la hauteur. En effet, cette isolation intérieure est interrompue au droit de la dalle, et ce sur toute la longueur de la façade verticale et de même sur toute la périphérie du bâtiment. De manière classique, il s'ensuit une déperdition calorique et la présence de condensation à l'intérieur du bâtiment. Dans ce but, on a proposé un dispositif appelé « rupteur thermique » qui permet de recréer la continuité de l'isolation intérieure.The figure 1 describes the problem that arises during the realization of concrete structures which requires the junction between a slab arranged horizontally and a frontage or a veil of facade arranged vertically. Indeed, the vertical veil of the facade is continuous, it can not have an interior insulation on the entire height. Indeed, this internal insulation is interrupted to the right of the slab, and this along the entire length of the vertical facade and likewise on the entire periphery of the building. Conventionally, it follows a caloric loss and the presence of condensation inside the building. For this purpose, a device has been proposed called "thermal breaker" which allows to recreate the continuity of the inner insulation.

Actuellement, ainsi que représenté à la figure 1, on réalise le voile de façade (1) en l'arrêtant au niveau inférieur (2) de la dalle haute (3). Ensuite, on place le rupteur thermique (5) et on coffre le bord de la dalle (3) de manière à réaliser la dalle d'un côté (6) du rupteur et le bout de voile de l'autre côté (7) jusqu'au niveau supérieur (8) de la dalle. Ainsi, il est possible de décoffrer le bord de la dalle et de réaliser le voile de façade jusqu'à l'étage supérieur (9). Ceci peut être recommencé à chaque étage. On observe que cette manière de travailler nécessite des arrêts de bétonnage successifs au niveau inférieur (2) et au niveau supérieur (8).Currently, as well as represented at the figure 1 the front panel (1) is made by stopping it at the lower level (2) of the upper panel (3). Then, the thermal breaker (5) is placed and the edge of the slab (3) is sealed so as to form the slab on one side (6) of the breaker and the end of the sail on the other side (7) until at the upper level (8) of the slab. Thus, it is possible to remove the edge of the slab and realize the facade veil to the upper floor (9). This can be repeated on each floor. It is observed that this way of working requires successive concreting stops at the lower level (2) and the upper level (8).

La présente invention vise simplement à proposer de réaliser un coffrage extérieur du voile de façade directement en une seule phase.The present invention is simply to propose to realize an outer formwork of the facade wall directly in a single phase.

La figure 2 représente de manière schématique en coupe un dispositif se présentant sous la forme d'un caisson parallélépipédique longitudinal et qui est constitué essentiellement de deux parties. Une partie fixe (12) et une partie mobile (13). Avantageusement, deux parties mobiles sont présentes à chaque extrémité de la partie fixe. Les dimensions des parties fixe et mobiles sont calculées de manière à ce que la ou les parties mobiles coulissent ou glissent aisément dans la partie fixe. A titre d'exemple, les parties fixe et mobiles sont représentées aux figures 3a et 3b avec leurs cotes respectives. Pour la partie fixe, il s'agit essentiellement d'un élément présentant trois faces et constituant un parallélépipède longitudinal dont les parties latérales sont ouvertes, permettant ainsi le placement d'un élément coulissant (partie mobile) se présentant essentiellement sous la forme d'un tiroir c'est-à-dire d'un caisson parallélépipédique dont au moins une face latérale est fermée ou obturée.The figure 2 schematically shows in section a device in the form of a longitudinal parallelepiped box and which consists essentially of two parts. A fixed part (12) and a movable part (13). Advantageously, two moving parts are present at each end of the fixed part. The dimensions of the fixed and movable parts are calculated so that the movable part or parts slide or slide easily in the fixed part. By way of example, the fixed and mobile parts are represented in Figures 3a and 3b with their ratings respectively. For the fixed part, it is essentially an element having three faces and constituting a longitudinal parallelepiped whose lateral parts are open, thus allowing the placement of a sliding element (moving part) being essentially in the form of a drawer that is to say a parallelepiped box whose at least one side face is closed or closed.

De préférence, au moins une des faces longitudinales du parallélépipède tant de la partie fixe que de la partie coulissante est libre ou ouverte de telle sorte à permettre le placement d'éléments de fixation et en particulier d'éléments de fixation magnétiques. Ces éléments de fixation sont conçus de telle manière à pouvoir permettre la fixation du dispositif au coffrage.Preferably, at least one of the longitudinal faces of the parallelepiped of both the fixed portion and the sliding portion is free or open so as to allow the placement of fasteners and in particular magnetic fasteners. These fixing elements are designed in such a way as to allow the attachment of the device to the formwork.

De plus, afin de faciliter le glissage des parties mobiles à l'intérieur de la partie fixe, des poignées (14) peuvent être disposées sur chacune des parties mobiles.In addition, to facilitate the sliding of the moving parts within the fixed part, handles (14) can be arranged on each of the moving parts.

La longueur de chaque partie mobile sera de préférence de l'ordre de la moitié de la partie fixe, de telle sorte qu'en position repliée, chacune des deux parties mobiles peut s'intégrer facilement à la partie fixe et qu'en position déployée, le volume prévu soit doublé.The length of each movable part will preferably be of the order of half of the fixed part, so that in folded position, each of the two moving parts can easily integrate with the fixed part and in the deployed position. , the planned volume is doubled.

Les figures 4 et 5 représentent les différentes étapes permettant la pose dudit caisson. On dispose par les moyens de fixation lesdits caissons sur la partie interne du coffrage du voile à l'aide d'éléments adéquats et ceci à hauteur du placement de la partie horizontale de la dalle. On comble le coffrage vertical de béton jusqu'à affleurer ledit dispositif coulissant. On fait coulisser ou glisser les parties mobiles dudit dispositif de telle sorte que les parties mobiles de deux dispositifs adjacents rentrent en contact, de manière à former un seul volume. On termine ladite phase de bétonnage en comblant l'espace libre présent entre les différents dispositifs qui sont disposés dans la partie déployée du coffrage et après séchage on retire tout simplement le ou les dispositifs successifs créant ainsi une réservation (10).The Figures 4 and 5 represent the different steps for laying said box. The said fixing means are arranged on the internal part of the formwork of the veil with the aid of suitable elements and this at the height of the placement of the horizontal part of the slab. The vertical formwork of concrete is filled up to flush with said sliding device. The moving parts of said device are slid or slid so that the moving parts of two adjacent devices come into contact, so as to form a single volume. Finishing said concrete phase by filling the free space between the various devices that are arranged in the expanded part of the form and after drying is simply removed or the successive devices thus creating a reservation (10).

Les figures 5a et 5b représentent plusieurs dispositifs disposés les uns à côté des autres. La figure 5a représente plusieurs dispositifs disposés avec un intervalle qui, lorsque les parties mobiles sous forme de tiroir sont déployées ou étendues, entrent en contact les uns avec les autres. En réalité, la partie « gauche » d'un premier dispositif entre en contact avec la partie « droite » du dispositif adjacent. Comme représenté à la figure 5b, on peut ainsi créer une réservation (10) continue.The Figures 5a and 5b represent several devices arranged next to each other. The figure 5a is a plurality of devices arranged with an interval which, when the moving parts in drawer form are deployed or extended, come into contact with each other. In fact, the "left" part of a first device comes into contact with the "right" part of the adjacent device. As represented in figure 5b it is thus possible to create a continuous reservation (10).

De manière adéquate, si la largeur d'un coffrage est comprise entre 18 et 20 cm, la taille et en particulier la largeur du dispositif coulissant sera choisie de manière à réaliser une réservation comprise entre 3/4 et 1/2 de la largeur, laissant ainsi une partie de voile comprise entre 1/4 et 1/2 de la largeur totale au niveau de la réservation.Suitably, if the width of a formwork is between 18 and 20 cm, the size and in particular the width of the sliding device will be chosen so as to make a reservation between 3/4 and 1/2 of the width, thus leaving a portion of sail between 1/4 and 1/2 of the total width at the level of the reservation.

De manière particulièrement avantageuse, la largeur du dispositif coulissant est de l'ordre de 2/3 de la largeur du voile, c'est-à-dire comprise entre 12 et 13 cm. La longueur de la partie fixe du dispositif coulissant peut être de plusieurs mètres.Particularly advantageously, the width of the sliding device is of the order of 2/3 of the width of the web, that is to say between 12 and 13 cm. The length of the fixed part of the sliding device can be several meters.

De manière adéquate, les diverses parties fixes et mobiles du dispositif ne doivent pas être réalisées dans le même matériau. Elles peuvent être réalisées en métal, en plastique ou même en bois. Ceci dépendra essentiellement des habitudes locales de construction.Suitably, the various fixed and moving parts of the device must not be made of the same material. They can be made of metal, plastic or even wood. This will depend mainly on local construction habits.

Claims (10)

Dispositif se présentant sous la forme d'un caisson (15) parallélépipédique longitudinal permettant la réalisation d'une réservation lors de la formation de structures en béton, caractérisé en ce qu'il comprend au moins une partie mobile (13) coulissant dans le sens longitudinal dans une partie fixe (12) permettant d'augmenter le volume du caisson (15).Device in the form of a box (15) longitudinal parallelepiped for making a reservation during the formation of concrete structures, characterized in that it comprises at least one movable portion (13) sliding in the direction longitudinal in a fixed part (12) for increasing the volume of the box (15). Dispositif selon la revendication 1, caractérisé en ce qu'il comprend à chacune de ses extrémités de la partie fixe (12) une partie mobile (13).Device according to claim 1, characterized in that it comprises at each of its ends of the fixed part (12) a movable part (13). Dispositif selon la revendication 2, caractérisé en ce que chacune des parties mobiles (13) présente une longueur correspondant à la moitié de la longueur de la partie fixe (12) du caisson de manière à doubler le volume initial lorsque l'on fait coulisser les parties mobiles dans la partie fixe.Device according to claim 2, characterized in that each of the movable parts (13) has a length corresponding to half the length of the fixed part (12) of the box so as to double the initial volume when sliding the moving parts in the fixed part. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une partie d'une de ses faces de préférence longitudinales n'est pas complètement obturée et permet ainsi le placement de moyens de fixation dudit caisson à des éléments de coffrage.Device according to any one of the preceding claims, characterized in that at least a portion of one of its preferably longitudinal faces is not completely closed and thus allows the placement of fastening means of said box to formwork elements . Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la partie fixe (12) est réalisée par un espace parallélépipédique ouvert aux extrémités latérales et de préférence ouvert sur une des faces longitudinales tandis que les parties mobiles sont réalisées sous forme de tiroir, de préférence sans fond.Device according to any one of the preceding claims, characterized in that the fixed part (12) is formed by a parallelepipedal space open at the lateral ends and preferably open on one of the longitudinal faces while the moving parts are designed as a drawer preferably without bottom. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que des poignées (14) sont disposées sur les parties coulissantes.Device according to any one of the preceding claims , characterized in that handles (14) are arranged on the sliding parts. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le matériau permettant la réalisation de la partie coulissante est du plastique, du bois ou du métal tandis que le matériau permettant la réalisation de la partie fixe est du plastique, du bois ou du métal.Device according to any one of the preceding claims, characterized in that the material enabling the sliding part to be made is plastic, wood or metal while the material making up the fixed part is plastic, wood or metal. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les dimensions du caisson et en particulier la largeur latérale est comprise entre 3/4 et 1/2 et de préférence proche de 2/3 de la largeur totale disponible dans un élément de coffrage.Device according to any one of the preceding claims, characterized in that the dimensions of the box and in particular the lateral width is between 3/4 and 1/2 and preferably close to 2/3 of the total width available in an element formwork. Procédé de réalisation d'une jonction d'une partie verticale se présentant sous la forme d'un voile d'une façade en béton par rapport à une partie horizontale se présentant sous la forme d'une dalle dans une structure en béton dans lequel : - On place le coffrage pour la réalisation de la partie verticale sous forme de voile, - On dispose au sein dudit coffrage à hauteur du placement de la partie horizontale un dispositif tel que décrit selon l'une quelconque des revendications précédentes, cet élément étant en position non étendue, - On comble le coffrage vertical de béton jusqu'à affleurer ledit élément coulissant, - On fait coulisser les parties coulissantes de telle manière à ce que plusieurs dispositifs successifs entrent en contact les uns avec les autres, - On termine ladite phase de bétonnage en comblant l'espace libre présent entre ledit élément coulissant et le coffrage, - Après séchage, on retire ledit dispositif réalisant ainsi une réservation. A method of producing a junction of a vertical portion in the form of a web of a concrete facade with respect to a horizontal portion in the form of a slab in a concrete structure in which: - The formwork is placed for the realization of the vertical part in the form of a sail, - Within said formwork is disposed at the height of the placement of the horizontal part a device as described in any one of the preceding claims, this element being in non-extended position, The vertical concrete formwork is filled up to flush with the said sliding element, The sliding parts are slid in such a way that several successive devices come into contact with one another, - Finishing said concrete phase by filling the free space present between said sliding element and the formwork, - After drying, removing said device thus making a reservation. Utilisation du dispositif selon l'une quelconque des revendications 1 à 8 ou du procédé selon la revendication 9 pour la réalisation d'une réservation destinée à la pose d'un rupteur thermique au niveau de la jonction voile de façade/dalle.Use of the device according to any one of claims 1 to 8 or the method according to claim 9 for the realization of a reservation for the installation of a thermal breaker at the junction facade veil / slab.
EP08154657A 2008-04-16 2008-04-16 Device allowing the creation of a reservation when building concrete walls Withdrawn EP2110496A1 (en)

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EP08154657A EP2110496A1 (en) 2008-04-16 2008-04-16 Device allowing the creation of a reservation when building concrete walls
EP09158028A EP2110495A1 (en) 2008-04-16 2009-04-16 Device allowing the formation of a reservation when building concrete walls

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Publication number Priority date Publication date Assignee Title
CN102364004A (en) * 2011-11-02 2012-02-29 中建三局第二建设工程有限责任公司 Concrete floor hole reserving device capable of being quickly assembled and disassembled
CN103924616B (en) * 2014-04-22 2016-04-06 上海市基础工程集团有限公司 The pre-buried shearing groove of ultra-deep underground continuous wall makes, construction method of installation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH380931A (en) * 1960-12-24 1964-08-15 Zanoli Leopold Formwork auxiliary device
CH417034A (en) * 1964-04-09 1966-07-15 Seiler Reinhold Formwork element for the production of recesses in concrete bodies
EP0070770A1 (en) * 1981-07-16 1983-01-26 Ingenierie Et Coordination De La Construction Device for resting a floor on a wall, and construction method for applying said device
FR2644823A1 (en) * 1989-03-21 1990-09-28 Laroche Jean Pierre Device and method for achieving peripheral support of slabs and shuttering floor slabs made of reinforced concrete in the building industry, and for assembling reinforcement frames meeting the reinforced-concrete standards
DE20021094U1 (en) * 2000-12-13 2001-03-22 Mayr Xaver Concrete formwork system for edge formwork of stair openings and other openings in concrete ceilings variably adjustable
FR2887908A1 (en) * 2005-06-29 2007-01-05 Plakabeton Roller-blind case`s reservation forming device for building, has lateral profiles which regain U-shape of central profile to form continuous variable length formwork, where lateral profiles slide with respect to central profile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH380931A (en) * 1960-12-24 1964-08-15 Zanoli Leopold Formwork auxiliary device
CH417034A (en) * 1964-04-09 1966-07-15 Seiler Reinhold Formwork element for the production of recesses in concrete bodies
EP0070770A1 (en) * 1981-07-16 1983-01-26 Ingenierie Et Coordination De La Construction Device for resting a floor on a wall, and construction method for applying said device
FR2644823A1 (en) * 1989-03-21 1990-09-28 Laroche Jean Pierre Device and method for achieving peripheral support of slabs and shuttering floor slabs made of reinforced concrete in the building industry, and for assembling reinforcement frames meeting the reinforced-concrete standards
DE20021094U1 (en) * 2000-12-13 2001-03-22 Mayr Xaver Concrete formwork system for edge formwork of stair openings and other openings in concrete ceilings variably adjustable
FR2887908A1 (en) * 2005-06-29 2007-01-05 Plakabeton Roller-blind case`s reservation forming device for building, has lateral profiles which regain U-shape of central profile to form continuous variable length formwork, where lateral profiles slide with respect to central profile

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