EP1214481B1 - Building soundproof structure - Google Patents

Building soundproof structure Download PDF

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Publication number
EP1214481B1
EP1214481B1 EP00958728A EP00958728A EP1214481B1 EP 1214481 B1 EP1214481 B1 EP 1214481B1 EP 00958728 A EP00958728 A EP 00958728A EP 00958728 A EP00958728 A EP 00958728A EP 1214481 B1 EP1214481 B1 EP 1214481B1
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EP
European Patent Office
Prior art keywords
assembly
acoustic
panel
flange
section piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP00958728A
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German (de)
French (fr)
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EP1214481A1 (en
Inventor
Alain Leconte
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Saint Gobain Isover SA France
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Saint Gobain Isover SA France
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Priority to EP05000358A priority Critical patent/EP1522643A1/en
Publication of EP1214481A1 publication Critical patent/EP1214481A1/en
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Publication of EP1214481B1 publication Critical patent/EP1214481B1/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
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8452—Tray or frame type panels or blocks, with or without acoustical filling with peripheral frame members

Definitions

  • the invention relates to an acoustic building structure intended to be fixed on the building frame and comprising at least one acoustic assembly which comprises a mineral wool panel and a carrier element of said mineral wool panel.
  • the acoustic insulation of a building is commonly obtained from mass-spring-mass type structures, an example of which is given in document EP 0921242.
  • Such a structure is composed of two masses which each consist of a rigid element and which are separated by a mineral wool panel, such as glass wool, associated with an air gap to form the spring.
  • the two rigid elements are arranged on either side of the building frame and mechanically fixed to the same frame or to metal rails added to the frame.
  • These elements consist of U-shaped sheet metal platters which are formed inside the U of a mineral wool panel, such as rockwool, to increase the mass effect.
  • the structure described in this document advantageously allows to directly fix the rigid elements on the building frame or metal smooths associated with the frame without requiring intermediate fixing means.
  • the performance of the acoustic insulation of the building is related, in addition to the nature of the walls, the thickness and the nature of the spring and the damper, to the surface density of the structure which is given by the amount of mineral wool introduced into the carrier member and the sheet metal nature of the carrier member. Nevertheless, the surface mass is sometimes insufficient, it is then necessary, in order to increase the acoustic performance, to add an additional load to the bottom of the tray, for example a plasterboard, which further increases the cost price of the structure.
  • Document US Pat. No. 2,077,713 discloses an acoustic structure which comprises an acoustic panel, a more rigid panel and two assembly elements making it possible to associate the panels together and to fix these panels to a framework.
  • Each fixing element has at least one core, the facing of the cores of two elements ensuring the housing of the acoustic panel, and at least two opposite wings bent perpendicular to the core and facing one another, one of the wings ensuring the attachment to the frame of all the panels and the other wing ensuring maintaining the rigid panel against the acoustic panel.
  • the object of the invention is therefore to provide an acoustic structure, in particular responding to a structure of the mass-spring-mass type, while retaining the advantages of efficient acoustic insulation and simplification and speed in its means of attachment to the frame of the building, is reduced in overall cost.
  • the acoustic structure is such that the carrier element consists of a pair of lower and upper profiles spaced by a pitch p, each of which comprises a respective core facing one another, and a respective wing folded perpendicularly to the associated core, the wings being in the same plane and directed towards one another, and the mineral wool panel being housed between the souls of the profiles, and the acoustic assembly comprises a rigid panel fixed against the outer faces of the wings of the profiles, the upper profile comprising on the other side of the core, parallel and in the opposite direction to the wing a second wing for fixing the acoustic assembly against the frame of the building
  • This structure has the advantage of directly obtaining sufficient surface density to the acoustic insulation without having to add other thicknesses of surface elements as is generally the case for the sheet metal trays of the prior art at the bottom of which In addition, plasterboards are added.
  • the acoustic structure is characterized in that the lower profile comprises parallel and in the opposite direction of the wing an assembly strip and the upper profile comprises a groove connecting the core to the fixing wing, the assembly strip, of the lower profile of a second acoustic assembly intended to be assembled with the first assembly, being intended to cooperate by interlocking with the groove of the upper profile of the first set.
  • the acoustic assembly 1 shown in FIG. 1 is intended to be applied and to be mounted against the vertical walls of a building but could equally well be associated with floors or ceilings with a view to sound insulation.
  • This assembly 1 is particularly used in an acoustic structure of mass-spring-mass type such as that illustrated in Figure 2.
  • This structure comprises on either side of the frame 40 of the building, formed by metal poles or vertical metal sleeves assembled to columns, acoustic assemblies 1 mounted one above the other and constituting, for each face of the structure, each of the masses of said structure, the masses being separated by the spring constituted by a panel of mineral wool 41, such as glass wool, and by an air gap 42.
  • Each acoustic assembly 1 comprises a metal carrying element 10, a mineral wool panel 20 and a rigid panel 30 contributing to the mass of the assembly and preferably formed by a plasterboard.
  • Acoustic assemblies are usually delivered to the job site in a pre-assembled manner so that they simply have to perform the assembly and fastening operations to the building framework.
  • the dimensions of an assembly are 400mm in height, from 3.25 to 8 m in length, which length is adapted to the distance separating two posts for fixing the framework.
  • the width of an assembly is imposed by the width of the carrier member 10 and the plasterboard 30, the width of the profiles being adapted to receive mineral wool panels 70 mm thick, and the plasterboard having a thickness of 12.5 or 15, or 18 mm to achieve a mass per unit area of the sufficient acoustic unit so that the overall sound insulation of the structure is greater than 50 dB (A) according to current standards.
  • the carrier element 10 of an acoustic assembly 1 consists of a pair of lower 11 and upper 12 profiles located in the same plane and spaced apart by a pitch p, and between which is arranged the mineral wool panel 20.
  • the lower profiles 11 and upper 12 comprise, respectively, a core 13 and a core 14 facing each other, and a wing 15 and a wing 16 perpendicular to the associated core and directed towards one another .
  • the lower section 11 has, opposite the wing 15, on the other side of the web 13, a wing 15a parallel to the other wing and in the same direction of so as to form a U-shaped section within which the mineral wool panel 20 can be kept stuck.
  • the section 11 is provided with a longitudinal assembly strip 17 intended, as will be seen later, to cooperate with another acoustic assembly 1.
  • the upper profile 12 of the embodiment comprises on the other side of the web 14 another wing 16a parallel but opposite to the wing 16.
  • This wing 16a is connected to the core 14 by a groove 18, to concavity facing the direction opposite to the lower profile, and whose bottom is in a parallel plane and located below the plane containing the core 14.
  • the lateral surface 16b which separates the bottom of the groove 18 of the soul 14 participates maintaining the mineral wool panel 20 inserted between the two sections.
  • the groove 18 of the profile 12 of a first acoustic assembly is intended to receive the assembly strip 17 of a lower profile 11 of another acoustic assembly intended to be mounted above the first one. together, the core 13 of the lower profile 11 of the second assembly resting on the core 14 of the upper profile 12 of the first set.
  • the mineral wool panel 20 is inserted, wedged and possibly glued between the two lower profiles 11 and upper 12 against the webs 13 and 14, the walls of the wings 15, 15a and 16 and the side surface 16b.
  • the rigid panel 30, or the gypsum board is in turn arranged against the outer face of the flanges 15 and 16 of the profiles and has a height such that its lower 31 and upper 32 edges are coplanar with the webs 13 and 14 respectively of the profiles.
  • the fixing of the panel 30 is carried out by any known means, such as by gluing, screwing or nailing.
  • the acoustic assembly 1 is fixed to the posts 40 by the upper section 12, close to the free end 16c of the wing 16a, by any known fastening means such as self-tapping screws.
  • the wing 16a of the upper profile has a height greater than that of the wing 15a of a lower profile so that the fixing means arranged towards the upper end 16c are high enough not to interfere, when setting placing a second acoustic assembly on a first assembly, the application of the wing 15a of the lower profile of the second assembly against the wing 16a of the upper profile of the first assembly while the assembly strip 17 is fitted into the groove 18.
  • Figure 3 illustrates two acoustic assemblies according to the embodiment when mounted and fixed.
  • the first acoustic assembly 1 is positioned to rest on a wooden sole 1a fixed to the ground and is held pressed against the frame by nailing a wooden batten 1b to the sole 1a.
  • the first assembly is then fixed to the posts of the framework 40 by securing the wing 16a of the upper profile at its upper end 16c by means of screws 41.
  • a second acoustic assembly 1 is then mounted above the first set.
  • the assembly strip 17 of the lower profile 11 is first engaged in the groove 18 of the upper section 12 of the first assembly already fixed, then said assembly is tilted towards the building frame so as to fit the band into the groove, to seat the core 13 of the lower profile on the core 14 of the upper profile of the first set, and to press the assembly against the posts.
  • this second set is fixed by screwing the wing 16a of the upper section to the posts.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)

Description

L'invention concerne une structure acoustique de bâtiment destinée à être fixée sur l'ossature du bâtiment et comprenant au moins un ensemble acoustique qui comporte un panneau de laine minérale et un élément porteur dudit panneau de laine minérale.The invention relates to an acoustic building structure intended to be fixed on the building frame and comprising at least one acoustic assembly which comprises a mineral wool panel and a carrier element of said mineral wool panel.

L'isolation acoustique d'un bâtiment est couramment obtenue à partir de structures du type masse-ressort-masse dont un exemple est donné dans le document EP 0921242. Une telle structure se compose de deux masses qui sont constituées chacune d'un élément rigide et qui sont séparées par un panneau de laine minérale, telle que de la laine de verre, associé à une lame d'air pour constituer le ressort. Les deux éléments rigides sont disposés de part et d'autre de l'ossature du bâtiment et fixés mécaniquement à cette même ossature ou à des lisses métalliques ajoutées à l'ossature. Ces éléments consistent en des plateaux en tôle de section en forme de U qui sont gamis à l'intérieur du U d'un panneau de laine minérale, telle que de la laine de roche, pour augmenter l'effet de masse.The acoustic insulation of a building is commonly obtained from mass-spring-mass type structures, an example of which is given in document EP 0921242. Such a structure is composed of two masses which each consist of a rigid element and which are separated by a mineral wool panel, such as glass wool, associated with an air gap to form the spring. The two rigid elements are arranged on either side of the building frame and mechanically fixed to the same frame or to metal rails added to the frame. These elements consist of U-shaped sheet metal platters which are formed inside the U of a mineral wool panel, such as rockwool, to increase the mass effect.

La structure décrite dans ce document permet avantageusement de fixer directement les éléments rigides sur l'ossature du bâtiment ou à des lisses métalliques associées à l'ossature sans nécessiter de moyens de fixation intermédiaires. Cependant, la structure, par la nature en tôle et la forme en plateaux des éléments rigides, atteint encore un coût qu'il serait souhaitable de diminuer.The structure described in this document advantageously allows to directly fix the rigid elements on the building frame or metal smooths associated with the frame without requiring intermediate fixing means. However, the structure, by the sheet metal nature and the plate form of the rigid elements, still achieves a cost which it would be desirable to reduce.

Par ailleurs, la performance de l'isolation acoustique du bâtiment est liée, outre à la nature des parois, à l'épaisseur et à la nature du ressort et de l'amortisseur, à la masse surfacique de la structure qui est donnée par la quantité de laine minérale introduite dans l'élément porteur et par la nature en tôle de l'élément porteur. Néanmoins, la masse surfacique est parfois insuffisante, il est alors nécessaire, en vue d'augmenter la performance acoustique, d'ajouter une charge supplémentaire au fond du plateau, par exemple une plaque de plâtre, ce qui augmente encore le prix de revient de la structure.Moreover, the performance of the acoustic insulation of the building is related, in addition to the nature of the walls, the thickness and the nature of the spring and the damper, to the surface density of the structure which is given by the amount of mineral wool introduced into the carrier member and the sheet metal nature of the carrier member. Nevertheless, the surface mass is sometimes insufficient, it is then necessary, in order to increase the acoustic performance, to add an additional load to the bottom of the tray, for example a plasterboard, which further increases the cost price of the structure.

On connaît du document US 2 077 713 une structure acoustique qui comporte un panneau acoustique, un panneau plus rigide et deux éléments de d'assemblage permettant d'associer les panneaux entre eux et de fixer ces panneaux à une ossature. Chaque élément de fixation présente au moins une âme, la mise en regard des âmes de deux éléments assurant le logement du panneau acoustique, et au moins deux ailes opposées pliées perpendiculairement à l'âme et en regard l'une de l'autre, l'une des ailes assurant la fixation à l'ossature de l'ensemble des panneaux et l'autre aile assurant le maintien du panneau rigide contre le panneau acoustique.Document US Pat. No. 2,077,713 discloses an acoustic structure which comprises an acoustic panel, a more rigid panel and two assembly elements making it possible to associate the panels together and to fix these panels to a framework. Each fixing element has at least one core, the facing of the cores of two elements ensuring the housing of the acoustic panel, and at least two opposite wings bent perpendicular to the core and facing one another, one of the wings ensuring the attachment to the frame of all the panels and the other wing ensuring maintaining the rigid panel against the acoustic panel.

Cependant la fixation de plusieurs structures acoustiques de ce type, qui doivent nécessairement être aboutées les unes aux autres, nécessite du temps pour prévoir le pas adéquat entre chaque élément de fixation, et donc fixer au bon endroit chaque élément de fixation à l'ossature, et pour enfin associer les divers éléments entre eux.However, the fixing of several acoustic structures of this type, which must necessarily be butted to each other, requires time to provide the adequate pitch between each fastener, and thus fix in the right place each fastener to the frame, and to finally associate the various elements between them.

L'invention a par conséquent pour but de fournir une structure acoustique, répondant notamment à une structure du type masse-ressort-masse, qui tout en gardant les avantages d'une isolation acoustique performante et d'une simplification et d'une rapidité dans ses moyens de fixation à l'ossature du bâtiment, soit diminuée en coût global.The object of the invention is therefore to provide an acoustic structure, in particular responding to a structure of the mass-spring-mass type, while retaining the advantages of efficient acoustic insulation and simplification and speed in its means of attachment to the frame of the building, is reduced in overall cost.

Selon l'invention, la structure acoustique est telle que l'élément porteur consiste en une paire de profilés inférieur et supérieur espacés d'un pas p, qui comprennent chacun, une âme respective en regard l'une de l'autre, et une aile respective pliée perpendiculairement à l'âme associée, les ailes étant dans un même plan et dirigées l'une vers l'autre, et le panneau de laine minérale étant logé entre les âmes des profilés, et l'ensemble acoustique comporte un panneau rigide fixé contre les faces externes des ailes des profilés, le profilé supérieur comprenant de l'autre côté de l'âme, parallèlement et en direction opposée à l'aile une seconde aile destinée à la fixation de l'ensemble acoustique contre l'ossature du bâtimentAccording to the invention, the acoustic structure is such that the carrier element consists of a pair of lower and upper profiles spaced by a pitch p, each of which comprises a respective core facing one another, and a respective wing folded perpendicularly to the associated core, the wings being in the same plane and directed towards one another, and the mineral wool panel being housed between the souls of the profiles, and the acoustic assembly comprises a rigid panel fixed against the outer faces of the wings of the profiles, the upper profile comprising on the other side of the core, parallel and in the opposite direction to the wing a second wing for fixing the acoustic assembly against the frame of the building

Cette structure présente l'avantage d'obtenir directement la masse surfacique suffisante à l'isolafion acoustique sans devoir ajouter d'autres épaisseurs d'éléments surfaciques comme c'est généralement le cas pour les plateaux en tôle de l'art antérieur au fond desquels on associe en supplément des panneaux de plâtre.This structure has the advantage of directly obtaining sufficient surface density to the acoustic insulation without having to add other thicknesses of surface elements as is generally the case for the sheet metal trays of the prior art at the bottom of which In addition, plasterboards are added.

Selon l'invention, la structure acoustique est caractérisée en ce que le profilé inférieur comporte parallèlement et en direction opposée de l'aile un bandeau d'assemblage et le profilé supérieur comporte une gorge reliant l'âme à l'aile de fixation, le bandeau d'assemblage, du profilé inférieur d'un deuxième ensemble acoustique destiné à s'assembler avec le premier ensemble, étant destiné à coopérer par emboîtement avec la gorge du profilé supérieur du premier ensemble.According to the invention, the acoustic structure is characterized in that the lower profile comprises parallel and in the opposite direction of the wing an assembly strip and the upper profile comprises a groove connecting the core to the fixing wing, the assembly strip, of the lower profile of a second acoustic assembly intended to be assembled with the first assembly, being intended to cooperate by interlocking with the groove of the upper profile of the first set.

D'autres caractéristiques et avantages de l'invention vont à présent être décrits dans la description qui suit, en regard des dessins sur lesquels:

  • la figure 1 est une vue en coupe d'un ensemble acoustique selon un mode de réalisation de l'invention;
  • la figure 2 est une vue de profil d'un structure acoustique du type masse-ressort-masse associé à un bâtiment et comportant des ensembles acoustiques selon le mode de réalisation de l'invention;
  • la figure 3 est une vue en coupe d'une partie de structure acoustique selon un plan de l'ossature du bâtiment, selon le mode de réalisation.
Other features and advantages of the invention will now be described in the description which follows, with reference to the drawings in which:
  • Figure 1 is a sectional view of an acoustic assembly according to one embodiment of the invention;
  • Figure 2 is a side view of a mass-spring-mass type acoustic structure associated with a building and comprising acoustic assemblies according to the embodiment of the invention;
  • Figure 3 is a sectional view of an acoustic structure portion according to a plan of the building frame, according to the embodiment.

L'ensemble acoustique 1 représenté à la figure 1 selon un mode de réalisation est destiné à s'appliquer et à être monté contre les parois verticales d'un bâtiment mais pourrait tout aussi bien être associés à des planchers ou des plafonds en vue d'une isolation acoustique.The acoustic assembly 1 shown in FIG. 1 according to one embodiment is intended to be applied and to be mounted against the vertical walls of a building but could equally well be associated with floors or ceilings with a view to sound insulation.

Cet ensemblest 1 est notamment utilisé dans une structure acoustique du type masse-ressort-masse telle que celle illustrée à la figure 2. Cette structure comporte de part et d'autre de l'ossature 40 du bâtiment, formée par des poteaux métalliques ou bien des lisses verticales métalliques assemblées à des poteaux, des ensembles acoustiques 1 montés les uns au-dessus des autres et constituant, pour chaque face de la structure, chacune des masses de ladite structure, les masses étant séparées par le ressort constitué par un panneau de laine minérale 41, telle que de la laine de verre, et par une lame d'air 42.This assembly 1 is particularly used in an acoustic structure of mass-spring-mass type such as that illustrated in Figure 2. This structure comprises on either side of the frame 40 of the building, formed by metal poles or vertical metal sleeves assembled to columns, acoustic assemblies 1 mounted one above the other and constituting, for each face of the structure, each of the masses of said structure, the masses being separated by the spring constituted by a panel of mineral wool 41, such as glass wool, and by an air gap 42.

Chaque ensemble acoustique 1 comporte un élément porteur 10 métallique, un panneau de laine minérale 20 et un panneau rigide 30 contribuant à la masse de l'ensemble et formé de préférence par une plaque de plâtre.Each acoustic assembly 1 comprises a metal carrying element 10, a mineral wool panel 20 and a rigid panel 30 contributing to the mass of the assembly and preferably formed by a plasterboard.

Les ensembles acoustiques sont généralement livrés sur le chantier de manière pré-assemblée pour n'avoir à effectuer simplement que les opérations de montage et de fixation à l'ossature du bâtiment. Les dimensions d'un ensemble sont de 400mm de hauteur, de 3,25 à 8 m de longueur, longueur qui est adaptée à la distance séparant deux poteaux de fixation de l'ossature. La largeur d'un ensemble est imposée par la largeur de l'élément porteur 10 et de la plaque de plâtre 30, la largeur des profilés étant adaptée pour recevoir des panneaux de laines minérales d'épaisseur 70 mm, et la plaque de plâtre ayant une épaisseur de 12,5 ou 15, ou encore 18 mm pour réaliser une masse surfacique de l'ensemble acoustique suffisante afin que l'isolation acoustique générale de la structure soit supérieure à 50 dB (A) selon les normes actuelles.Acoustic assemblies are usually delivered to the job site in a pre-assembled manner so that they simply have to perform the assembly and fastening operations to the building framework. The dimensions of an assembly are 400mm in height, from 3.25 to 8 m in length, which length is adapted to the distance separating two posts for fixing the framework. The width of an assembly is imposed by the width of the carrier member 10 and the plasterboard 30, the width of the profiles being adapted to receive mineral wool panels 70 mm thick, and the plasterboard having a thickness of 12.5 or 15, or 18 mm to achieve a mass per unit area of the sufficient acoustic unit so that the overall sound insulation of the structure is greater than 50 dB (A) according to current standards.

L'élément porteur 10 d'un ensemble acoustique 1 consiste en une paire de profilés inférieur 11 et supérieur 12 situés dans un même plan et écartés d'un pas p, et entre lesquels est agencé le panneau de laine minérale 20. Les profilés inférieur 11 et supérieur 12 comportent, respectivement, une âme 13 et une âme 14 en regard l'une de l'autre, ainsi qu'une aile 15 et une aile 16 perpendiculaires à l'âme associée et dirigées l'une vers l'autre.The carrier element 10 of an acoustic assembly 1 consists of a pair of lower 11 and upper 12 profiles located in the same plane and spaced apart by a pitch p, and between which is arranged the mineral wool panel 20. The lower profiles 11 and upper 12 comprise, respectively, a core 13 and a core 14 facing each other, and a wing 15 and a wing 16 perpendicular to the associated core and directed towards one another .

Dans le mode de réalisation (figure 1), le profilé inférieur 11 comporte à l'opposé de l'aile 15, de l'autre côté de l'âme 13, une aile 15a parallèle à l'autre aile et de même direction de manière à former une section en U à l'intérieur de laquelle peut être maintenu coincé le panneau de laine minérale 20. En prolongement de l'aile 15a et à l'opposé de son extrémité libre 15b, le profilé 11 est pourvu d'un bandeau longitudinal d'assemblage 17 destiné, comme on le verra par la suite, à coopérer avec un autre ensemble acoustique 1.In the embodiment (FIG. 1), the lower section 11 has, opposite the wing 15, on the other side of the web 13, a wing 15a parallel to the other wing and in the same direction of so as to form a U-shaped section within which the mineral wool panel 20 can be kept stuck. As an extension of the wing 15a and opposite its free end 15b, the section 11 is provided with a longitudinal assembly strip 17 intended, as will be seen later, to cooperate with another acoustic assembly 1.

Le profilé supérieur 12 du mode de réalisation comporte de l'autre côté de l'âme 14 une autre aile 16a parallèle mais de direction opposée à l'aile 16. Cette aile 16a est reliée à l'âme 14 par une gorge 18, à concavité tournée vers la direction opposée au profilé inférieur, et dont le fond est dans un plan parallèle et situé en-dessous du plan contenant l'âme 14. La surface latérale 16b qui sépare le fond de la gorge 18 de l'âme 14 participe au maintien du panneau de laine minérale 20 inséré entre les deux profilés.The upper profile 12 of the embodiment comprises on the other side of the web 14 another wing 16a parallel but opposite to the wing 16. This wing 16a is connected to the core 14 by a groove 18, to concavity facing the direction opposite to the lower profile, and whose bottom is in a parallel plane and located below the plane containing the core 14. The lateral surface 16b which separates the bottom of the groove 18 of the soul 14 participates maintaining the mineral wool panel 20 inserted between the two sections.

Comme illustré à la figure 3, la gorge 18 du profilé 12 d'un premier ensemble acoustique est destinée à accueillir le bandeau d'assemblage 17 d'un profilé inférieur 11 d'un autre ensemble acoustique destiné à être monté au-dessus du premier ensemble, l'âme 13 du profilé inférieur 11 du second ensemble reposant sur l'âme 14 du profilé supérieur 12 du premier ensemble.As illustrated in FIG. 3, the groove 18 of the profile 12 of a first acoustic assembly is intended to receive the assembly strip 17 of a lower profile 11 of another acoustic assembly intended to be mounted above the first one. together, the core 13 of the lower profile 11 of the second assembly resting on the core 14 of the upper profile 12 of the first set.

Le panneau de laine minérale 20 est inséré, coincé et éventuellement collé entre les deux profilés inférieur 11 et supérieur 12 contre les âmes 13 et 14, les parois des ailes 15, 15a et 16 et la surface latérale 16b.The mineral wool panel 20 is inserted, wedged and possibly glued between the two lower profiles 11 and upper 12 against the webs 13 and 14, the walls of the wings 15, 15a and 16 and the side surface 16b.

Le panneau rigide 30, ou la plaque de plâtre, est quant à lui agencé contre la face externe des ailes 15 et 16 des profilés et présente une hauteur telle que ses bords inférieur 31 et supérieur 32 soient coplanaires avec les âmes 13 et respectivement 14 des profilés.The rigid panel 30, or the gypsum board, is in turn arranged against the outer face of the flanges 15 and 16 of the profiles and has a height such that its lower 31 and upper 32 edges are coplanar with the webs 13 and 14 respectively of the profiles.

La fixation du panneau 30 est réalisée par tous moyens connus, tels que par collage, vissage ou encore cloutage.The fixing of the panel 30 is carried out by any known means, such as by gluing, screwing or nailing.

Selon ce mode de réalisation, l'ensemble acoustique 1 est fixé aux poteaux 40 par le profilé supérieur 12, proche de l'extrémité libre 16c de l'aile 16a, par tous moyens de fixation connus tels des vis autotaraudeuses.According to this embodiment, the acoustic assembly 1 is fixed to the posts 40 by the upper section 12, close to the free end 16c of the wing 16a, by any known fastening means such as self-tapping screws.

L'aile 16a du profilé supérieur présente une hauteur supérieure à celle de l'aile 15a d'un profilé inférieur de manière que les moyens de fixation agencés vers l'extrémité supérieure 16c soient suffisamment hauts pour ne pas gêner, lors de la mise en place d'un second ensemble acoustique sur un premier ensemble, l'application de l'aile 15a du profilé inférieur du second ensemble contre l'aile 16a du profilé supérieur du premier ensemble tandis que le bandeau d'assemblage 17 est emboîté dans la gorge 18.The wing 16a of the upper profile has a height greater than that of the wing 15a of a lower profile so that the fixing means arranged towards the upper end 16c are high enough not to interfere, when setting placing a second acoustic assembly on a first assembly, the application of the wing 15a of the lower profile of the second assembly against the wing 16a of the upper profile of the first assembly while the assembly strip 17 is fitted into the groove 18.

Nous allons à présent décrire le montage et la fixation d'une face d'une structure acoustique selon le mode de réalisation de l'invention.We will now describe the mounting and fixing of a face of an acoustic structure according to the embodiment of the invention.

Afin d'isoler toute une paroi du bâtiment du sol au plafond, il est fixé en partant du sol, entre au moins deux poteaux de l'ossature, plusieurs ensembles acoustiques 1 les uns au-dessus des autres.In order to insulate an entire wall of the building from floor to ceiling, it is fixed from the ground, between at least two studs of the frame, several acoustic units 1 on top of each other.

La figure 3 illustre deux ensembles acoustiques selon le mode de réalisation une fois montés et fixés.Figure 3 illustrates two acoustic assemblies according to the embodiment when mounted and fixed.

Le premier ensemble acoustique 1 est positionné pour reposer sur une semelle en bois 1a fixée au sol et est maintenu plaqué contre l'ossature en clouant un tasseau de bois 1b à la semelle 1a. Le premier ensemble est ensuite fixé aux poteaux de l'ossature 40 par solidarisation de l'aile 16a du profilé supérieur au niveau de son extrémité supérieure 16c au moyen de vis 41.The first acoustic assembly 1 is positioned to rest on a wooden sole 1a fixed to the ground and is held pressed against the frame by nailing a wooden batten 1b to the sole 1a. The first assembly is then fixed to the posts of the framework 40 by securing the wing 16a of the upper profile at its upper end 16c by means of screws 41.

Un deuxième ensemble acoustique 1 est ensuite monté au-dessus du premier ensemble. On engage d'abord le bandeau d'assemblage 17 du profilé inférieur 11 dans la gorge 18 du profilé supérieur 12 du premier ensemble déjà fixé, puis on bascule ledit ensemble vers l'ossature du bâtiment de manière à emboîter le bandeau dans la gorge, à asseoir l'âme 13 du profilé inférieur sur l'âme 14 du profilé supérieur du premier ensemble, et à plaquer l'ensemble contre les poteaux. Enfin, on fixe ce deuxième ensemble en vissant l'aile 16a du profilé supérieur aux poteaux.A second acoustic assembly 1 is then mounted above the first set. The assembly strip 17 of the lower profile 11 is first engaged in the groove 18 of the upper section 12 of the first assembly already fixed, then said assembly is tilted towards the building frame so as to fit the band into the groove, to seat the core 13 of the lower profile on the core 14 of the upper profile of the first set, and to press the assembly against the posts. Finally, this second set is fixed by screwing the wing 16a of the upper section to the posts.

Claims (3)

  1. Acoustic building structure intended to be fixed to the framework (40) of a building and comprising at least one first acoustic assembly (1) including a panel of mineral wool (20), a bearer (10) of the said panel of mineral wool, which consists of a pair of one lower (11) and one upper (12) section pieces spaced apart by a spacing p, and each of which comprises a respective web (13, 14), each facing the other, and a respective flange (15, 16) bent at right angles to the associated web, the flanges being in one and the same plane and facing towards each other, and the panel of mineral wool (20) being housed between the webs (13, 14) of the section pieces (11, 12) and a rigid panel (30) fixed against the outer faces of the flanges (15, 16) of the section pieces, the upper section piece (12) comprising, on the other side of the web (14), parallel to and in the opposite direction to the flange (16), a second flange (16a) intended for attaching the acoustic assembly (1) against the framework (40) of the building, characterized in that the lower section piece (11) comprises, parallel to and in the opposite direction from the flange (15), an assembly strip (17), and the upper section piece (12) comprises a groove (18) connecting the web (14) to the fixing flange (16a), the assembly strip (17) of the lower section piece of a second acoustic assembly intended to be assembled with the first assembly, being intended to collaborate by fitting into the groove (18) of the upper section piece of the first assembly.
  2. Acoustic structure according to Claim 1, characterized in that the lower section piece (11) comprises, in the continuation of the strip (17) and facing the flange (15), a flange (15a), and the upper section piece (12) has a lateral surface (16b) which separates the bottom of the groove (18) from the web (14), the panel of mineral wool (20) being wedged in between the flanges (15, 15a) of the lower section piece and the flange (16) and the lateral surface (16b) of the upper section piece.
  3. Acoustic structure according to any one of the preceding claims, characterized in that the rigid panel (30) is a sheet of plasterboard.
EP00958728A 1999-09-23 2000-08-24 Building soundproof structure Expired - Lifetime EP1214481B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05000358A EP1522643A1 (en) 1999-09-23 2000-08-24 Acoustical building structure

Applications Claiming Priority (3)

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FR9911878 1999-09-23
FR9911878A FR2798945B1 (en) 1999-09-23 1999-09-23 ACOUSTIC BUILDING STRUCTURE
PCT/FR2000/002363 WO2001021904A1 (en) 1999-09-23 2000-08-24 Building soundproof structure

Related Child Applications (1)

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EP05000358A Division EP1522643A1 (en) 1999-09-23 2000-08-24 Acoustical building structure

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EP1214481A1 EP1214481A1 (en) 2002-06-19
EP1214481B1 true EP1214481B1 (en) 2006-06-14

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EP00958728A Expired - Lifetime EP1214481B1 (en) 1999-09-23 2000-08-24 Building soundproof structure

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US (1) US6640507B1 (en)
EP (2) EP1522643A1 (en)
JP (1) JP4633986B2 (en)
AR (1) AR025584A1 (en)
AT (1) ATE330082T1 (en)
BR (1) BR0014243B1 (en)
CA (1) CA2385268C (en)
CZ (1) CZ304662B6 (en)
DE (1) DE60028792T2 (en)
DK (1) DK1214481T3 (en)
ES (1) ES2265969T3 (en)
FR (1) FR2798945B1 (en)
HU (1) HU227931B1 (en)
NO (1) NO20021332L (en)
PL (1) PL207375B1 (en)
PT (1) PT1214481E (en)
RU (2) RU2246596C2 (en)
TR (1) TR200200731T2 (en)
WO (1) WO2001021904A1 (en)

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Publication number Publication date
CA2385268A1 (en) 2001-03-29
EP1214481A1 (en) 2002-06-19
PT1214481E (en) 2006-10-31
JP4633986B2 (en) 2011-02-16
TR200200731T2 (en) 2002-08-21
PL207375B1 (en) 2010-12-31
CA2385268C (en) 2008-06-10
HUP0202829A2 (en) 2003-03-28
DE60028792D1 (en) 2006-07-27
FR2798945B1 (en) 2001-12-07
NO20021332D0 (en) 2002-03-18
CZ304662B6 (en) 2014-08-27
HU227931B1 (en) 2012-06-28
DK1214481T3 (en) 2006-10-16
RU2004127213A (en) 2006-02-20
ES2265969T3 (en) 2007-03-01
AR025584A1 (en) 2002-12-04
JP2003510481A (en) 2003-03-18
PL354806A1 (en) 2004-02-23
WO2001021904A1 (en) 2001-03-29
BR0014243B1 (en) 2009-05-05
US6640507B1 (en) 2003-11-04
BR0014243A (en) 2002-05-21
FR2798945A1 (en) 2001-03-30
CZ20021006A3 (en) 2002-07-17
NO20021332L (en) 2002-03-18
RU2246596C2 (en) 2005-02-20
ATE330082T1 (en) 2006-07-15
DE60028792T2 (en) 2007-06-14
EP1522643A1 (en) 2005-04-13

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