EP2726681B2 - Paraseismic partition - Google Patents

Paraseismic partition Download PDF

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Publication number
EP2726681B2
EP2726681B2 EP12730536.5A EP12730536A EP2726681B2 EP 2726681 B2 EP2726681 B2 EP 2726681B2 EP 12730536 A EP12730536 A EP 12730536A EP 2726681 B2 EP2726681 B2 EP 2726681B2
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EP
European Patent Office
Prior art keywords
partition
rails
paraseismic
framework
partition according
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EP12730536.5A
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German (de)
French (fr)
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EP2726681B1 (en
EP2726681A1 (en
Inventor
Roger Arese
Pierre Bourgoin
Pauline Lopez
Renato Talamonti
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Etex Building Performance International SAS
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Etex Building Performance International SAS
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Priority claimed from EP11305855A external-priority patent/EP2540927A1/en
Priority claimed from PCT/FR2011/052414 external-priority patent/WO2013057384A1/en
Priority to PL12730536T priority Critical patent/PL2726681T3/en
Priority to NO12730536A priority patent/NO2726681T3/no
Application filed by Etex Building Performance International SAS filed Critical Etex Building Performance International SAS
Priority to EP12730536.5A priority patent/EP2726681B2/en
Publication of EP2726681A1 publication Critical patent/EP2726681A1/en
Publication of EP2726681B1 publication Critical patent/EP2726681B1/en
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    • 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
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • 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
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
    • 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
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
    • E04B2/78—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips
    • 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
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground

Definitions

  • the present invention relates to the construction of finishing works in seismic zones, and more particularly of partitions or inner partitions.
  • the load-bearing structure rests on the foundations.
  • the non-bearing structure is fixed to the bearing structure by means of a frame called the primary frame.
  • the non-supporting structures can themselves comprise, when necessary, a frame called the secondary frame, fixed to the primary frame.
  • the non-bearing structure includes the assembly of various elements of the work and in particular the assembly of plasterboard between them in order to define volumes inside the building. This assembly of panels requires the panels to be fixed to the secondary and primary framework.
  • the problem that the invention proposes to solve is to provide a seismic partition or counter-partition resistant to seismic stresses.
  • the inventors have demonstrated that it is possible to separate the partition from the load-bearing structure, by installing slides on the vertical and horizontal sides of the partition. This allows the load-bearing structure to move without transmitting movements and stresses to the partition, and without shearing the fasteners that hold the partition.
  • the present invention relates to a paraseismic partition having the characteristics presented in claim 1.
  • the invention offers at least one of the decisive advantages described below.
  • the seismic partition according to the invention can withstand an earthquake without deteriorating and without separating from the structure.
  • the seismic partition according to the invention does not collapse during an earthquake avoiding injury to the occupants of the structure.
  • the seismic partition according to the invention makes it possible to keep the evacuation routes of the structure available and free, without obstructing them.
  • the seismic partition according to the invention can remain intact during earthquakes of low or medium intensity, which makes it possible to accelerate the restoration of the building and to reuse the buildings in a short time.
  • the seismic partition according to the invention can be produced at lower cost, using commercial rails and uprights.
  • bearing structure is preferably meant according to the invention all the elements of a structure carrying more than their own weight.
  • elements which can be load-bearing mention may be made of posts, partitions, floors, walls.
  • primary framework is preferably meant according to the invention all the rails and crosspieces made of wood or metal or synthetic materials which are fixed to the supporting structure of the construction or to the foundation and which serves as a support for elements of the work such as filling elements.
  • secondary frame is preferably meant according to the invention all the uprights and crosspieces made of wood or metal or synthetic materials, held in place by the primary frame and which serves as a support for panels, electrical equipment, frames, frames, infills or cladding.
  • partition is meant both partitions and inner partitions.
  • the primary or secondary framework of the seismic partition according to the invention can be metallic or wooden, or other materials.
  • the framework is made of metal.
  • the seismic partition according to the invention comprises a primary metal framework comprising an upper rail fixed to the ceiling and a lower rail fixed in the floor. These two rails are arranged in the same vertical plane.
  • the seismic partition according to the invention also comprises two other rails fixed to the walls. These rails of the primary framework can be arranged in the same vertical plane.
  • the rails of the seismic partition according to the invention have a substantially U-shaped section. They may be commercially available rails.
  • the flanges of the rails have a flange height of at least 25 mm, preferably at least 40 mm.
  • the metal thickness of the rails is greater than normal, preferably greater than or equal to 0.5 mm, more preferably equal to 1 mm.
  • the uprights of the secondary framework have a section smaller than the section of the rails of the primary framework. These amounts can be regularly spaced, and generally of 40 or 60 cm.
  • the uprights of the secondary framework can be single or double, for example back to back or nested.
  • the uprights of the secondary framework can be substantially parallel. They can be arranged in the same vertical plane.
  • the uprights of the secondary framework are partially or totally housed in the rails of the primary framework.
  • the uprights of the secondary framework are partially or totally housed in the rails of the primary framework.
  • the primary framework completely or partially covers the flanges of the uprights of the secondary framework.
  • the secondary framing uprights can move relative to the primary framing rails in a vertical and horizontal direction. They can slide. Preferably the amounts are of length less than the height of the partition, from 5 to 10 mm.
  • the panels of the seismic partition according to the invention are fixed to the uprights of the secondary framework.
  • the length of the panel in the vertical direction should be 5 to 10 mm less than the total height of the partition.
  • the width of the panel in the horizontal direction should be less than 5 to 10 mm compared to the total width of the partition.
  • the panels of the seismic partition according to the invention are not fixed to the primary framework. These panels are independent of the primary framework and thereby of the supporting structure, that is to say is separated.
  • the panels of the seismic partition according to the invention can be plates based on hydraulic binder.
  • these plates can be fixed, for example by screwing or gluing, on the vertical uprights.
  • the plate based on hydraulic binder suitable for the partition according to the invention can be a cement plate or a plasterboard, preferably this plate is prefabricated in a prefabrication factory.
  • the cement plates suitable for the partition according to the invention can be based on Portland cement, cement described in accordance with standard EN 197-1, cement of the calcium aluminate type or sulphoaluminous cement and mixtures thereof. Cements based on calcium aluminates, such as for example aluminous cements or Ciments Fondus ® , are also suitable according to the invention as well as cements in accordance with standard NF EN 14647.
  • the preferred cement suitable for the cement plates for the partition according to the invention is Portland cement, alone or in a mixture with other cements mentioned above, such as for example sulfoaluminate cements. Portland cement that is most particularly suitable is that described in accordance with standard EN 197-1.
  • Cement slabs can be produced by various processes and in particular by non-continuous processes (for example molding, pressing, filtering, etc.).
  • So-called lightened cement plates due to the incorporation of light fillers are also suitable for the partition according to the invention.
  • These light fillers are generally derived from natural rocks or artificial rocks or are fillers derived from petroleum products, for example polystyrene beads.
  • Cement plates reinforced by the incorporation of fibers are also suitable for the partition according to the invention.
  • the plasterboard suitable for the partition according to the invention can be composed of a body of plaster cast in the factory between two sheets of paper constituting both its facing and its reinforcement.
  • the plate based on hydraulic binder which is suitable for the element according to the invention is a plasterboard having a core of gypsum, the density of which can change as a function of the distance from the surface, with for example a low density core layer incorporating foaming agents into the dough, this core layer being sandwiched by high density surface layers (dense layer).
  • a plasterboard having a core of gypsum, the density of which can change as a function of the distance from the surface, with for example a low density core layer incorporating foaming agents into the dough, this core layer being sandwiched by high density surface layers (dense layer).
  • An example of this type of board is the conventional plasterboard type BA13 with dense layers.
  • plates based on technical plaster can also be used to improve the resistance of the partition to so-called offset loads of the shelving type.
  • high density plates can be used having a density preferably comprised from 11 to 15 kg/m 2 , more preferably comprised from 12 to 14 kg/m 2 such as the La Dura, Prégyfeu, PrégyWab plates marketed by the company Lafarge Plasters.
  • the hydraulic binder plate suitable for the partition according to the invention comprises at least one facing.
  • the conventional facings used in the manufacture of plasterboard are particularly suitable, such as, for example, cellulose fiber facings. Mention may be made, for example, of facings made of cellulose fibers (paper, recycled paper), synthetic fibers (polyester, polypropylene, polyethylene, etc.) or inorganic fibers (fiberglass facings, ceramic fibers, etc. ). Facings can be woven or non-woven.
  • the facings marketed by the company Johns Manville International, Inc. or marketed by the company Ahlstrom are suitable according to the invention.
  • one of the sheets of paper used to manufacture the plasterboards is dark in color, which can vary between a gray color and a brown color, since it is composed of cellulosic fibers that have not undergone a particular purification treatment.
  • this gray paper is obtained from unbleached chemical pulp, and/or mechanical pulp, and/or thermomechanical pulp, and/or semi-chemical pulp.
  • mechanical pulp we generally mean a pulp obtained entirely by mechanical means from various raw materials, mainly wood, which can be provided by recovery products from wood such as old cardboard, kraft paper shavings and/or or old newspapers.
  • thermomechanical paste means a paste obtained by heat treatment followed by mechanical treatment of the raw material.
  • semi-chemical pulp a pulp obtained by eliminating part of the non-cellulose components contained in the raw material by means of a chemical treatment, and requiring a subsequent mechanical treatment to disperse the fibres.
  • the other sheet of paper used to make the plasterboard has a visible side called the facing, which is generally lighter in color than the gray sheet.
  • the seismic partition according to the invention can have, according to a variant, a space around the periphery of the panel. This space allowing the movement of the panel without damage or with reduced damage.
  • the seismic partition according to the invention may comprise a joint made of elastic material, this joint being located in the space around the periphery of the panel, between the supporting structure and the panel. This joint can be made of amyl or silicone material. Preferably this seal is made of an intumescent material.
  • the figure 1 And 2 represent an example of embodiment according to the invention of an earthquake-resistant partition.
  • the partition comprises a primary framework comprising a lower rail (1) fixed in the ground using screws and a vertical rail (4) fixed in the masonry wall using screws.
  • the partition comprises a primary framework also comprising an upper rail (2) fixed in the ceiling (3).
  • the rails (1, 2, 4) can be glued to the floor, the ceiling or the wall.
  • the rails (1,2) can be fixed to beams or a frame fixed to the floor or to the ceiling.
  • the rails (1, 2, 4) are U-shaped metal rails.
  • the partition comprises a secondary frame comprising uprights (6). These amounts are positioned vertically.
  • the uprights (6) are U-shaped metal uprights.
  • the partition comprises a seal (8) around the perimeter of the plasterboards (7).
  • the uprights (6) are partially fitted into the rails (1, 2, 4).
  • one of the uprights (6) is partially housed facing each other in the rail (4), the flanges of the rail (4) covering the flanges of the upright (6).
  • Some other uprights only have their ends housed in the rails (1, 2).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Description

La présente invention a pour objet la construction de second oeuvre en zone sismique, et plus particulièrement de cloisons ou contrecloisons.The present invention relates to the construction of finishing works in seismic zones, and more particularly of partitions or inner partitions.

Lors de la construction d'un bâtiment, on peut distinguer la structure porteuse et la structure non porteuse. Par définition, il est entendu que la structure porteuse s'appuie sur les fondations. La structure non porteuse est fixée à la structure porteuse par l'intermédiaire d'une ossature dite ossature primaire. Les structures non porteuses peuvent elles-même comprendre, lorsque nécessaire, une ossature que l'on nomme ossature secondaire, fixée à l'ossature primaire. La structure non porteuse comprend l'assemblage de divers éléments de l'ouvrage et en particulier l'assemblage de plaques de plâtre entre-elles dans le but de définir des volumes à l'intérieur du bâtiment. Cet assemblage de panneaux nécessite de fixer les panneaux sur l'ossature secondaire et primaire.During the construction of a building, one can distinguish between the load-bearing structure and the non-load-bearing structure. By definition, it is understood that the load-bearing structure rests on the foundations. The non-bearing structure is fixed to the bearing structure by means of a frame called the primary frame. The non-supporting structures can themselves comprise, when necessary, a frame called the secondary frame, fixed to the primary frame. The non-bearing structure includes the assembly of various elements of the work and in particular the assembly of plasterboard between them in order to define volumes inside the building. This assembly of panels requires the panels to be fixed to the secondary and primary framework.

Or, lors des séismes, il est vital que les bâtiments puissent résister aux sollicitations sismiques, et ainsi éviter l'éffondrement du bâtiment. De nombreuses solutions existent pour renforcer la structure porteuse, mais peu de solutions existent pour la structure non porteuse.However, during earthquakes, it is vital that buildings can withstand seismic stresses, and thus prevent the building from collapsing. Many solutions exist to reinforce the load-bearing structure, but few solutions exist for the non-load-bearing structure.

Aussi il est devenu nécessaire de trouver un moyen pour éviter la chute des plaques de plâtre lors des tremblements de terre permettant ainsi d'éviter les dommages aux personnes et ainsi une évacuation facilitée.It has also become necessary to find a way to prevent the fall of plasterboard during earthquakes, thus avoiding damage to people and thus facilitating evacuation.

Aussi le problème que se propose de résoudre l'invention est de fournir une cloison ou contrecloison parasismique résistante aux sollicitations sismiques.Also the problem that the invention proposes to solve is to provide a seismic partition or counter-partition resistant to seismic stresses.

De manière inattendue, les inventeurs ont mis en évidence qu'il est possible de désolidariser la cloison de la structure porteuse, en mettant en place des glissières sur les côtés verticaux et horizontaux de la cloison. Cela permet à la structure porteuse de bouger sans transmettre les mouvements et les contraintes à la cloison, et sans cisailler les fixations qui permettent de maintenir la cloison.Unexpectedly, the inventors have demonstrated that it is possible to separate the partition from the load-bearing structure, by installing slides on the vertical and horizontal sides of the partition. This allows the load-bearing structure to move without transmitting movements and stresses to the partition, and without shearing the fasteners that hold the partition.

Dans ce but la présente invention se rapporte à une cloison parasismique ayant les caractéristiques présentées dans la revendication 1. L'invention offre au moins un des avantages déterminants décrits ci-après.To this end, the present invention relates to a paraseismic partition having the characteristics presented in claim 1. The invention offers at least one of the decisive advantages described below.

Avantageusement, la cloison parasismique selon l'invention peut résister à un séisme sans se détériorirer et sans se désolidariser de la structure. Ainsi la cloison parasismique selon l'invention ne s'éffrondre pas lors d'un séisme évitant de blesser les occupants de l'ouvrage.Advantageously, the seismic partition according to the invention can withstand an earthquake without deteriorating and without separating from the structure. Thus the seismic partition according to the invention does not collapse during an earthquake avoiding injury to the occupants of the structure.

Avantageusement, la cloison parasismique selon l'invention permet de maintenir disponible et libre les voies d'évacuation de l'ouvrage, sans les obstruer.Advantageously, the seismic partition according to the invention makes it possible to keep the evacuation routes of the structure available and free, without obstructing them.

Avantageusement, la cloison parasismique selon l'invention peut rester intacte lors de séismes de faible ou moyenne intensité, ce qui permet d'accélérer la remise en état du bâtiment et de réutiliser les bâtiments dans un délai réduit.Advantageously, the seismic partition according to the invention can remain intact during earthquakes of low or medium intensity, which makes it possible to accelerate the restoration of the building and to reuse the buildings in a short time.

Avantageusement, la cloison parasismique selon l'invention peut être réalisée à moindre coût, en utilisant des rails et montants du commerce.Advantageously, the seismic partition according to the invention can be produced at lower cost, using commercial rails and uprights.

D'autres avantages et caractéristiques de l'invention apparaîtront clairement à la lecture de la description et des exemples donnés à titre purement illustratifs et non limitatifs qui vont suivre.Other advantages and characteristics of the invention will appear clearly on reading the description and the examples given purely by way of illustration and not limitation which follow.

Par l'expression « structure porteuse », on entend de préférence selon l'invention l'ensemble des éléments d'un ouvrage portant plus que leur propre poids. A titre d'exemple d'élément qui peuvent être porteurs, on peut citer les poteaux, les refends, les planchers, les murs.By the expression “bearing structure”, is preferably meant according to the invention all the elements of a structure carrying more than their own weight. By way of example of an element which can be load-bearing, mention may be made of posts, partitions, floors, walls.

Par l'expression « ossature primaire », on entend de préférence selon l'invention l'ensemble des rails et des traverses en bois ou en métal ou en matériaux de synthèse se fixant sur la structure porteuse de la construction ou sur la fondation et qui sert de support à des éléments de l'ouvrage tels que des éléments de remplissage.By the expression “primary framework”, is preferably meant according to the invention all the rails and crosspieces made of wood or metal or synthetic materials which are fixed to the supporting structure of the construction or to the foundation and which serves as a support for elements of the work such as filling elements.

Par l'expression « ossature secondaire », on entend de préférence selon l'invention l'ensemble des montants et des traverses en bois ou en métal ou en matériaux de synthèse, tenu en place par l'ossature primaire et qui sert de support à des panneaux, des appareillages électriques, des bâtis, des cadres, des remplissages ou à un bardage.By the expression "secondary frame", is preferably meant according to the invention all the uprights and crosspieces made of wood or metal or synthetic materials, held in place by the primary frame and which serves as a support for panels, electrical equipment, frames, frames, infills or cladding.

Par l'expression « cloison », on entend aussi bien des cloisons que des contrecloisons. L'ossature primaire ou secondaire de la cloison parasismique selon l'invention peut être métallique ou en bois, ou en d'autres matériaux. De préférence, l'ossature est en métal.By the expression "partition" is meant both partitions and inner partitions. The primary or secondary framework of the seismic partition according to the invention can be metallic or wooden, or other materials. Preferably, the framework is made of metal.

La cloison parasismique selon l'invention comprend une ossature primaire métallique comprenant un rail supérieur fixé au plafond et un rail inférieur fixé dans le plancher. Ces deux rails sont disposés dans un même plan vertical. La cloison parasismique selon l'invention comprend également deux autres rails fixés sur des murs. Ces rails de l'ossature primaire peuvent être disposés dans le même plan vertical.The seismic partition according to the invention comprises a primary metal framework comprising an upper rail fixed to the ceiling and a lower rail fixed in the floor. These two rails are arranged in the same vertical plane. The seismic partition according to the invention also comprises two other rails fixed to the walls. These rails of the primary framework can be arranged in the same vertical plane.

Les rails de la cloison parasismique selon l'invention présentent une section sensiblement en U. Il peut s'agir de rails disponible dans le commerce.The rails of the seismic partition according to the invention have a substantially U-shaped section. They may be commercially available rails.

De préférence les ailes des rails présentent une hauteur d'aile d'au moins 25 mm, de préférence au moins 40 mm.Preferably the flanges of the rails have a flange height of at least 25 mm, preferably at least 40 mm.

De préférence, l'épaisseur de métal des rails est supérieure à la normale, de préférence supérieure ou égale à 0,5 mm, plus préférentiellement égale à 1 mm.Preferably, the metal thickness of the rails is greater than normal, preferably greater than or equal to 0.5 mm, more preferably equal to 1 mm.

Les montants de l'ossature secondaire présentent une section inférieure à la section des rails de l'ossature primaire. Ces montants peuvent être régulièrement espacés, et généralement de 40 ou 60 cm.The uprights of the secondary framework have a section smaller than the section of the rails of the primary framework. These amounts can be regularly spaced, and generally of 40 or 60 cm.

Les montants de l'ossature secondaire peuvent être simples ou doubles, par exemple dos à dos ou emboîtés.The uprights of the secondary framework can be single or double, for example back to back or nested.

Les montants de l'ossature secondaire peuvent être sensiblement parallèles. Ils peuvent être disposés dans un même plan vertical.The uprights of the secondary framework can be substantially parallel. They can be arranged in the same vertical plane.

Les montants de l'ossature secondaire sont logés partiellement ou en totalité dans les rails de l'ossature primaire. Ainsi il est possible d'emboiter partiellement ou en totalité les montants de l'ossature secondaire dans les rails de l'ossature primaire. Pour cela il suffit d'appliquer une légère pression sur les ailes des montants et de les glisser partiellement ou en totalité dans les rails. L'ossature primaire recouvre totalement ou partiellement les ailes des montants de l'ossature secondaire.The uprights of the secondary framework are partially or totally housed in the rails of the primary framework. Thus it is possible to partially or totally fit the uprights of the secondary framework into the rails of the primary framework. To do this, simply apply light pressure to the wings of the uprights and slide them partially or completely into the rails. The primary framework completely or partially covers the flanges of the uprights of the secondary framework.

Les montants de l'ossature secondaire peuvent se déplacer relativement par rapport aux rails de l'ossature primaire dans une direction verticale et horizontale. Ils peuvent coulissier. De préférence les montants sont de longueur inférieure à la hauteur de la cloison, de 5 à 10 mm.The secondary framing uprights can move relative to the primary framing rails in a vertical and horizontal direction. They can slide. Preferably the amounts are of length less than the height of the partition, from 5 to 10 mm.

Les panneaux de la cloison parasismique selon l'invention sont fixés aux montants de l'ossature secondaire. De préférence, la longueur du panneau dans le sens vertical doit être inférieure de 5 à 10 mm par rapport à la hauteur totale de la cloison. De préférence, la largeur du panneau dans le sens horizontal doit être inférieure de 5 à 10 mm par rapport à la largeur totale de la cloison.The panels of the seismic partition according to the invention are fixed to the uprights of the secondary framework. Preferably, the length of the panel in the vertical direction should be 5 to 10 mm less than the total height of the partition. Preferably, the width of the panel in the horizontal direction should be less than 5 to 10 mm compared to the total width of the partition.

Les panneaux de la cloison parasismique selon l'invention ne sont pas fixés à l'ossature primaire. Ces panneaux sont indépendants de l'ossature primaire et par là de la structure porteuse, c'est-à-dire est désolidarisé.The panels of the seismic partition according to the invention are not fixed to the primary framework. These panels are independent of the primary framework and thereby of the supporting structure, that is to say is separated.

Les panneaux de la cloison parasismique selon l'invention peuvent être des plaques à base de liant hydraulique. Dans ce cas ces plaques peuvent être fixées, par exemple par vissage ou collage, sur les montants verticaux.The panels of the seismic partition according to the invention can be plates based on hydraulic binder. In this case these plates can be fixed, for example by screwing or gluing, on the vertical uprights.

La plaque à base de liant hydraulique convenant pour la cloison selon l'invention peut être une plaque de ciment ou une plaque de plâtre, de préférence cette plaque est préfabriquée en usine de préfabrication.The plate based on hydraulic binder suitable for the partition according to the invention can be a cement plate or a plasterboard, preferably this plate is prefabricated in a prefabrication factory.

Les plaques ciments convenant pour la cloison selon l'invention peuvent être à base de ciment Portland, de ciment décrit conformément à la norme EN 197-1, de ciment du type aluminate de calcium ou de ciment sulfoalumineux et leurs mélanges. Les ciments à base d'aluminates de calcium comme par exemple les ciments alumineux ou les Ciments Fondus®, conviennent également selon l'invention ainsi que les ciments conformes à la norme NF EN 14647. Le ciment préféré convenant pour les plaques ciment pour la cloison selon l'invention est le ciment Portland, seul ou en mélange avec d'autres ciments cités ci-dessus, comme par exemple les ciments sulfoalumineux. Le ciment Portland convenant tout particulièrement est celui décrit conformément à la norme EN 197-1. Les plaques ciment peuvent être produites par différents procédés et notamment par des procédés non continus (par exemple moulage, pressage, filtrage etc.). Des plaques ciment dites allégées de part l'incorporation de charges légères conviennent également pour la cloison selon l'invention. Ces charges légères sont généralement issues de roches naturelles ou de roches artificielles ou sont des charges issues des produits pétroliers, par exemple les billes de polystyrène. Des plaques ciment renforcées par l'incorporation de fibres conviennent également pour la cloison selon l'invention.The cement plates suitable for the partition according to the invention can be based on Portland cement, cement described in accordance with standard EN 197-1, cement of the calcium aluminate type or sulphoaluminous cement and mixtures thereof. Cements based on calcium aluminates, such as for example aluminous cements or Ciments Fondus ® , are also suitable according to the invention as well as cements in accordance with standard NF EN 14647. The preferred cement suitable for the cement plates for the partition according to the invention is Portland cement, alone or in a mixture with other cements mentioned above, such as for example sulfoaluminate cements. Portland cement that is most particularly suitable is that described in accordance with standard EN 197-1. Cement slabs can be produced by various processes and in particular by non-continuous processes (for example molding, pressing, filtering, etc.). So-called lightened cement plates due to the incorporation of light fillers are also suitable for the partition according to the invention. These light fillers are generally derived from natural rocks or artificial rocks or are fillers derived from petroleum products, for example polystyrene beads. Cement plates reinforced by the incorporation of fibers are also suitable for the partition according to the invention.

Les plaques de plâtre convenant pour la cloison selon l'invention peuvent être composées d'un corps de plâtre coulé en usine entre deux feuilles de papier constituant à la fois son parement et son armature.The plasterboard suitable for the partition according to the invention can be composed of a body of plaster cast in the factory between two sheets of paper constituting both its facing and its reinforcement.

De préférence, la plaque à base de liant hydraulique qui convient pour l'élément selon l'invention est une plaque de plâtre présentant un coeur de gypse dont la densité peut évoluer en fonction de la distance par rapport à la surface, avec par exemple une couche de coeur de faible densité intégrant des agents moussants dans la pâte, cette couche de coeur étant prise en sandwich par des couches de surface à haute densité (couche dense). Un exemple de ce type de plaque est la plaque de plâtre conventionnelle du type BA13 avec couches denses.Preferably, the plate based on hydraulic binder which is suitable for the element according to the invention is a plasterboard having a core of gypsum, the density of which can change as a function of the distance from the surface, with for example a low density core layer incorporating foaming agents into the dough, this core layer being sandwiched by high density surface layers (dense layer). An example of this type of board is the conventional plasterboard type BA13 with dense layers.

Selon une variante, des plaques à base de plâtre techniques (à haut pouvoir d'arrachage) peuvent également être utilisées pour améliorer la tenue de la cloison à des charges dites déportées de type étagères. Par exemple, des plaques haute densité peuvent être utilisées présentant une densité de préférence comprise de 11 à 15 kg/m2, plus préférentiellement comprise de 12 à 14 kg/m2 tel que les plaques La Dura, Prégyfeu, PrégyWab commercialisées par la société Lafarge Plâtres.According to a variant, plates based on technical plaster (with high tearing power) can also be used to improve the resistance of the partition to so-called offset loads of the shelving type. For example, high density plates can be used having a density preferably comprised from 11 to 15 kg/m 2 , more preferably comprised from 12 to 14 kg/m 2 such as the La Dura, Prégyfeu, PrégyWab plates marketed by the company Lafarge Plasters.

La plaque de liant hydraulique convenant pour la cloison selon l'invention comprend au moins un parement. Les parements conventionnels utilisés dans la fabrication des plaques de plâtre conviennent tout particulièrement comme par exemple les parements en fibre de cellulose. On peut citer à titre d'exemple les parements en fibres de cellulose (papier, papier recyclé), en fibres synthétiques (polyester, polypropylène, polyethylène etc) ou en fibres inorganiques (les parements en fibre de verre, en fibres céramique, etc.). Les parements peuvent être tissés ou non tissés. Par exemple, les parements commercialisés par la société Johns Manville International, Inc. ou commercialisés par la société Ahlstrom conviennent selon l'invention.The hydraulic binder plate suitable for the partition according to the invention comprises at least one facing. The conventional facings used in the manufacture of plasterboard are particularly suitable, such as, for example, cellulose fiber facings. Mention may be made, for example, of facings made of cellulose fibers (paper, recycled paper), synthetic fibers (polyester, polypropylene, polyethylene, etc.) or inorganic fibers (fiberglass facings, ceramic fibers, etc. ). Facings can be woven or non-woven. For example, the facings marketed by the company Johns Manville International, Inc. or marketed by the company Ahlstrom are suitable according to the invention.

En général, l'une des feuilles de papier utilisées pour fabriquer les plaques de plâtre est de couleur foncée, pouvant varier entre une couleur grise et une couleur marron, car elle est composée de fibres cellulosiques n'ayant pas subi un traitement de purification particulier. Classiquement, ce papier gris est obtenu à partir de pâte chimique non blanchie, et/ou de pâte mécanique, et/ou de pâte thermomécanique, et/ou de pâte mi-chimique. Par pâte mécanique, on entend générallement une pâte obtenue entièrement par des moyens mécaniques à partir de diverse matières premières, essentiellement du bois, pouvant être apportées par des produits de récupération issus du bois tels que les vieux cartons, des rognures de papier kraft et/ou de vieux journaux. Par pâte thermomécanique, on entend une pâte obtenue par traitement thermique suivi d'un traitement mécanique de la matière première. Par pâte mi-chimique, on entend une pâte obtenue en éliminant une partie des composants non cellulosiques contenus dans la matière première au moyen d'un traitement chimique, et nécessitant un traitement mécanique ultérieur pour disperser les fibres. L'autre feuille de papier utilisée pour fabriquer les plaques de plâtre présente une face visible appelée parement, de couleur généralement plus claire que la feuille grise.In general, one of the sheets of paper used to manufacture the plasterboards is dark in color, which can vary between a gray color and a brown color, since it is composed of cellulosic fibers that have not undergone a particular purification treatment. . Conventionally, this gray paper is obtained from unbleached chemical pulp, and/or mechanical pulp, and/or thermomechanical pulp, and/or semi-chemical pulp. By mechanical pulp, we generally mean a pulp obtained entirely by mechanical means from various raw materials, mainly wood, which can be provided by recovery products from wood such as old cardboard, kraft paper shavings and/or or old newspapers. By thermomechanical paste means a paste obtained by heat treatment followed by mechanical treatment of the raw material. By semi-chemical pulp is meant a pulp obtained by eliminating part of the non-cellulose components contained in the raw material by means of a chemical treatment, and requiring a subsequent mechanical treatment to disperse the fibres. The other sheet of paper used to make the plasterboard has a visible side called the facing, which is generally lighter in color than the gray sheet.

La cloison parasismique selon l'invention peut présenter selon une variante un espace sur le pourtour du panneau. Cet espace permettant le déplacement du panneau sans dommage ou avec un dommage amoindri. La cloison parasismique selon l'invention peut comprendre un joint en matière élastique, ce joint étant localisé dans l'espace sur le pourtour du panneau, entre la structure porteuse le panneau. Ce joint peut être en matière amylique ou silicone. De préférence ce joint est réalisé en une matière intumescente.The seismic partition according to the invention can have, according to a variant, a space around the periphery of the panel. This space allowing the movement of the panel without damage or with reduced damage. The seismic partition according to the invention may comprise a joint made of elastic material, this joint being located in the space around the periphery of the panel, between the supporting structure and the panel. This joint can be made of amyl or silicone material. Preferably this seal is made of an intumescent material.

L'invention sera décrite plus en détail au moyen des exemples suivants, donnés à titre non limitatif, en relation avec les figures parmi lesquelles :

  • la figure 1 représente une vue en perspective, partielle et schématique d'un exemple de réalisation selon l'invention d'une cloison;
  • la figure 2 représente une autre vue en perspective, partielle et schématique et d'un exemple de réalisation selon l'invention d'une cloison.
The invention will be described in more detail by means of the following examples, given without limitation, in relation to the figures among which:
  • there figure 1 shows a perspective, partial and schematic view of an embodiment according to the invention of a partition;
  • there picture 2 shows another perspective view, partial and schematic and of an embodiment according to the invention of a partition.

Par souci de clarté, de mêmes éléments ont été désignés par de mêmes références aux différentes figures et, de plus, les diverses figures ne sont pas tracées à l'échelle.For the sake of clarity, the same elements have been designated by the same references in the various figures and, moreover, the various figures are not drawn to scale.

La présente invention sera maintenant décrite en prenant comme exempledes panneaux, des plaques de plâtre. Ces plaques sont typiquement composées d'un corps de plâtre coulé en usine entre deux feuilles de papier constituant à la fois son parement et son armature.The present invention will now be described taking as an example panels, plasterboard. These plates are typically composed of a body of plaster cast in the factory between two sheets of paper constituting both its facing and its reinforcement.

Les figure 1 et 2 représentent un exemple de réalisation selon l'invention d'une cloison parasismique. La cloison comprend une ossature primaire comprenant un rail (1) inférieur fixé dans le sol à l'aide de vis et un rail (4) vertical fixé dans le mur en maçonnerie à l'aide de vis. La cloison comprend une ossature primaire comprenant également un rail (2) supérieur fixé dans le plafond (3). A titre de variante les rails (1, 2, 4) peut être collé sur le sol, le plafond ou le mur. A titre de variante les rails (1,2) peuvent être fixés sur des poutres ou une ossature fixé au sol ou u plafond. Les rails (1, 2, 4) sont des rails métallique en U. La cloison comprend une ossature secondaire comprenant des montants (6). Ces montant sont positionnés verticalement. Les montants (6) sont des montants métallique en U. Sur ces montants sont fixés à l'aide de vis (9) des plaques de plâtre (7). La cloison comprend un joint (8) sur le pourtour des plaques de plâtre (7). Les montants (6) sont partiellement emboîtés dans les rails (1, 2, 4). Notamment l'un des montants (6) est partiellement logé en vis-à-vis dans le rail (4), les ailes du rail (4) recouvrant les ailes du montant (6). Certains autres montants ont seulement leur extrémités logées dans les rails (1, 2).THE figure 1 And 2 represent an example of embodiment according to the invention of an earthquake-resistant partition. The partition comprises a primary framework comprising a lower rail (1) fixed in the ground using screws and a vertical rail (4) fixed in the masonry wall using screws. The partition comprises a primary framework also comprising an upper rail (2) fixed in the ceiling (3). Alternatively the rails (1, 2, 4) can be glued to the floor, the ceiling or the wall. Alternatively, the rails (1,2) can be fixed to beams or a frame fixed to the floor or to the ceiling. The rails (1, 2, 4) are U-shaped metal rails. The partition comprises a secondary frame comprising uprights (6). These amounts are positioned vertically. The uprights (6) are U-shaped metal uprights. On these uprights are fixed using screws (9) plasterboard (7). The partition comprises a seal (8) around the perimeter of the plasterboards (7). The uprights (6) are partially fitted into the rails (1, 2, 4). In particular, one of the uprights (6) is partially housed facing each other in the rail (4), the flanges of the rail (4) covering the flanges of the upright (6). Some other uprights only have their ends housed in the rails (1, 2).

Claims (11)

  1. Paraseismic partition comprising rails (1, 2, 3, 4), uprights (6) and panels (7) arranged on a primary framework and a secondary framework, in which
    - the primary framework comprising a lower rail (1) fixed in the floor and an upper rail (2) fixed in a ceiling (3), these two rails are substantially horizontal, and, moreover, two other substantially vertical rails (4), these two rails are fixed on walls (5), and the rails (1, 2, 4) have a substantially U-shaped cross section;
    - the secondary framework comprising a plurality of substantially vertical uprights (6) with a substantially C-shaped cross section, these uprights having a smaller cross section than the cross section of the rails (1, 2, 4) of the primary framework, are partially or totally housed in the rails (1, 2, 4) of the primary framework; said uprights of the secondary framework can move relative to the rails of the primary framework in a vertical and horizontal direction by sliding;
    - the panels (7) are fixed to the uprights (6) of the secondary framework and are independent from the primary framework.
  2. Paraseismic partition according to Claim 1, characterized in that the primary framework totally or partially covers the flanges of the uprights of the secondary framework.
  3. Paraseismic partition according to Claim 1 or 2, characterized in that the rails (1, 2) can be fixed on beams or a framework fixed to the ground or to the ceiling.
  4. Paraseismic partition according to one of the preceding claims, characterized in that it comprises a space around the periphery of the panel.
  5. Paraseismic partition according to one of the preceding claims, characterized in that it comprises a seal (8) of elastic material, this seal being located in the space around the periphery of the panel (7), between the load-bearing structure the panel (7).
  6. Paraseismic partition according to one of the preceding claims, characterized in that the panels of this partition are boards based on hydraulic binder.
  7. Paraseismic partition according to the preceding claim, characterized in that the panels of this partition are plasterboards.
  8. Paraseismic partition according to the preceding claim, characterized in that these plasterboards comprise a body of plaster poured in the factory between two sheets of paper constituting both its facing and its reinforcement.
  9. Parseismic partition according to Claim 6, characterized in that the panels of this partition are boards based on cement, such as those based on Portland cement, cement described in accordance with the standard EN 197-1, cement of the calcium aluminate type or sulfo-aluminous cement, and mixtures thereof.
  10. Paraseismic partition according to the preceding claim, characterized in that these cement boards are based on calcium aluminate cements such as aluminous cements or Ciments Fondus® or cements in accordance with the standard NF EN 14647.
  11. Paraseismic partition according to Claim 9, characterized in that the panels of this partition are boards based on Portland cement, alone or in a mixture with other cements.
EP12730536.5A 2011-07-01 2012-06-28 Paraseismic partition Active EP2726681B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12730536.5A EP2726681B2 (en) 2011-07-01 2012-06-28 Paraseismic partition
PL12730536T PL2726681T3 (en) 2011-07-01 2012-06-28 Paraseismic partition
NO12730536A NO2726681T3 (en) 2011-07-01 2012-06-28

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP11305855A EP2540927A1 (en) 2011-07-01 2011-07-01 Earthquake-resistant partition
PCT/FR2011/052414 WO2013057384A1 (en) 2011-10-17 2011-10-17 Earthquake-proof wall
EP12730536.5A EP2726681B2 (en) 2011-07-01 2012-06-28 Paraseismic partition
PCT/EP2012/062538 WO2013010769A1 (en) 2011-07-01 2012-06-28 Paraseismic partition

Publications (3)

Publication Number Publication Date
EP2726681A1 EP2726681A1 (en) 2014-05-07
EP2726681B1 EP2726681B1 (en) 2018-02-21
EP2726681B2 true EP2726681B2 (en) 2023-04-19

Family

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EP12730536.5A Active EP2726681B2 (en) 2011-07-01 2012-06-28 Paraseismic partition

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EP (1) EP2726681B2 (en)
AR (1) AR087016A1 (en)
CL (1) CL2013003738A1 (en)
DK (1) DK2726681T3 (en)
ES (1) ES2665509T5 (en)
NO (1) NO2726681T3 (en)
PL (1) PL2726681T3 (en)
WO (1) WO2013010769A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2886732A1 (en) * 2013-12-20 2015-06-24 Siniat International SAS Seismic damage reducing system for partitions

Citations (6)

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Publication number Priority date Publication date Assignee Title
US3861103A (en) † 1973-03-02 1975-01-21 Robert R Rasmussen Partitioning arrangement for high rise buildings
US5127760A (en) † 1990-07-26 1992-07-07 Brady Todd A Vertically slotted header
US5913788A (en) † 1997-08-01 1999-06-22 Herren; Thomas R. Fire blocking and seismic resistant wall structure
US20030196401A1 (en) † 2002-04-17 2003-10-23 Matt Surowiecki Wall construction
US7966778B2 (en) † 2003-12-05 2011-06-28 Placoplatre Device for the earthquake-resistant mounting of a partition
WO2012009327A1 (en) † 2010-07-12 2012-01-19 Richard Palmeri Modular building system

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Publication number Priority date Publication date Assignee Title
US20060032157A1 (en) * 2004-07-30 2006-02-16 Mareck Baryla Seismic wall system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3861103A (en) † 1973-03-02 1975-01-21 Robert R Rasmussen Partitioning arrangement for high rise buildings
US5127760A (en) † 1990-07-26 1992-07-07 Brady Todd A Vertically slotted header
US5913788A (en) † 1997-08-01 1999-06-22 Herren; Thomas R. Fire blocking and seismic resistant wall structure
US20030196401A1 (en) † 2002-04-17 2003-10-23 Matt Surowiecki Wall construction
US7966778B2 (en) † 2003-12-05 2011-06-28 Placoplatre Device for the earthquake-resistant mounting of a partition
WO2012009327A1 (en) † 2010-07-12 2012-01-19 Richard Palmeri Modular building system

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Title
Knauf Seismic Design Ausgabe 08/2004, version allemande de D3, fichier pdf archivé sous http://vvww.knauf.at/cpim/SEISMIC-DESIGN PDF. †
Knauf Seismic Design. Edition 08/2004; fichier pdf archive sur le site WaybackMachine Internet Archive le 31 Janvier 2012 soushttp://www knauf.rs/sistemskamapa/PDF/specijal/Knauf seizmika EN pdf †
Screenshot of the "Document Properties" informations du fichier pdf de D3 †
Screenshot of the "Document Properties" informations du fichier pdf de D3a †

Also Published As

Publication number Publication date
WO2013010769A1 (en) 2013-01-24
PL2726681T3 (en) 2018-07-31
CL2013003738A1 (en) 2014-07-11
NO2726681T3 (en) 2018-07-21
EP2726681B1 (en) 2018-02-21
DK2726681T3 (en) 2018-05-22
EP2726681A1 (en) 2014-05-07
ES2665509T5 (en) 2023-06-26
AR087016A1 (en) 2014-02-05
ES2665509T3 (en) 2018-04-26

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