EP0270716A1 - Thermo-acoustic insulating wall - Google Patents

Thermo-acoustic insulating wall Download PDF

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Publication number
EP0270716A1
EP0270716A1 EP86402713A EP86402713A EP0270716A1 EP 0270716 A1 EP0270716 A1 EP 0270716A1 EP 86402713 A EP86402713 A EP 86402713A EP 86402713 A EP86402713 A EP 86402713A EP 0270716 A1 EP0270716 A1 EP 0270716A1
Authority
EP
European Patent Office
Prior art keywords
coating
blocks
wall according
ribs
wings
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.)
Withdrawn
Application number
EP86402713A
Other languages
German (de)
French (fr)
Inventor
Francis Albert Louis Ovaert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMAC SAS
Original Assignee
SMAC SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to FR8516766A priority Critical patent/FR2589904B1/en
Application filed by SMAC SAS filed Critical SMAC SAS
Priority to EP86402713A priority patent/EP0270716A1/en
Publication of EP0270716A1 publication Critical patent/EP0270716A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs
    • E04D13/165—Double skin roofs
    • 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
    • E04B1/88—Insulating elements for both heat and sound
    • 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
    • E04F13/0867—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 having acoustic absorption means on the visible surface
    • 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
    • E04F13/0875—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 having a basic insulating layer and at least one covering layer
    • E04F13/0876—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 having a basic insulating layer and at least one covering layer the covering layer comprising mutual alignment or interlocking means
    • 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
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/10—Buildings forming part of cooling plants
    • 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
    • E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face
    • 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
    • E04B2001/8442—Tray type elements

Definitions

  • Acoustic protection is an important problem during the construction of modern buildings and especially industrial buildings. In fact, it must ensure not only the absorption of interior noises to which people in the building are subjected, these noises being able in certain cases to reach very important levels likely to cause deafness and even nervous disorders, but also insulation against the transmission of noise from the inside to the outside, or vice versa, in order for example to remove the discomfort inflicted in the vicinity.
  • the walls of industrial buildings are very often constructed with light metal complexes fixed on a frame and comprising a ribbed interior coating, a thermal insulation and an exterior coating, ribbed or not, the interior coating possibly being perforated to improve the absorption of sounds by the insulating material.
  • the object of the present invention is to remedy these drawbacks by providing a wall which, while ensuring rant good interior absorption and good insulation vis-à-vis the outside, is easy to set up and inexpensive to achieve.
  • the object of this invention is in fact a thermo-acoustic insulating wall in which the inner covering is provided with strongly projecting ribs which delimit a succession of elongated housings, parallel to each other, acoustic reinforcement blocks each formed by a panel acoustically absorbent material, which is coated on one of its large faces with an acoustically insulating and airtight coating, are retained inside each housing, between the inner lining and a thermal insulator which is covered by an exterior coating.
  • the reinforcement blocks can have any desired dimensions and are introduced, on the site, between the ribs of the interior covering which has been previously fixed on the frame, which simplifies both the transport of the materials and their installation for the realization of the wall.
  • the blocks can be retained by the ribs themselves which, for this purpose, have a shape folded towards the inside of the housings, or by annexed members mounted on these ribs.
  • a second layer of blocks is mounted between the first and retaining members overlapping the ribs of the covering.
  • the insulating wall shown in these drawings comprises an inner coating 1 provided with parallel ribs 2 strongly projecting.
  • this interior covering is formed by a succession of U-shaped sheets 11 which preferably have a perforated flat bottom 4 and whose wings 3 are curved so as to fit onto the wings of the adjacent sheet to form the ribs 2.
  • each sheet are for example (fig. 1 and 2) folded inwards, at 5, then straightened perpendicular to the perforated plane bottom 4, to be extended by a flat side 6 facing outwards and terminated by a flange 8, 10, the two flanges 8, 10 of the same sheet having the same direction, so that the flank 6 and the flange 10 of a sheet are housed inside the flank 6 and the flange 8 of the adjacent sheet, which immobilizes the two sheets in the direction perpendicular to their wings.
  • each of the U-shaped sheets 11 is arranged a series of reinforcing blocks 12 placed end to end and in contact, on the one hand with the perforated bottom 4 of the U-shaped sheet 11 and, on the other hand, with the wings 3 of this sheet, so that they are retained by the inclined portions 5 of the wings.
  • Each block 12 is formed by a panel 14 made of an acoustically absorbent material, constituted for example by mineral wool or a block of foam.
  • This panel 14 is coated on one of its large faces, in fact on the side furthest from the perforated bottom 4, with an acoustically insulating and airtight coating, forming a relatively thin layer compared to the thickness of the panel.
  • the coating 16 is, for example, an organic coating consisting of organic resins provided with fillers, or a hydraulic coating formed of cement or lime and comprising fillers. It can also be constituted by a mixture of organic coating and hydraulic coating, such as a mixture of organic resin, cement and filler, capable of withstanding bad weather. In addition, glass, carbon, metal, or other fibers can be added in either of these coatings.
  • a thermally insulating mattress 18 covers all of the U-shaped sheets and blocks 12 by overlapping the ribs 2 formed by the wings of the sheets and is protected by an outer covering 20 which includes ribs or undulations perpendicular to the wings of the sheets.
  • the insulator 18 and the covering 20 cooperate with the coating layer 16 of each panel 12 to ensure effective acoustic insulation, behaving like a mass-spring-mass system.
  • the wall thus formed therefore makes it possible to obtain effective protection against both internal and external noise.
  • the size of the blocks 12 can be chosen according to the manufacturing and transport facilities, the blocks being placed end to end inside the sheet in U 11 and their number may vary depending on the dimensions of the wall to be produced. These blocks can also overlap two successive U-shaped sheets and ensure the continuity of the insulation at the junction between these sheets (fig. 3).
  • each U-shaped sheet 11 is fixed to the metal frame of the building, at two or more points.
  • the sheets 11 are thus placed one next to the other, so that their wings interlock, and also end to end, two U-shaped sheets 11 and 21 being, for example, fixed on the same profile 22, as shown Figure 3.
  • Reinforcement blocks 12 are then introduced into each of the U-shaped sheets, so as to be in contact with one another and to fill the entire interior space of the U-shaped sheets.
  • a block 12 a is introduced both into these two successive sheets and fills the space which separates them, in line with the profile 22.
  • the blocks 12 are automatically held in place by the portions 5 of the wings of the sheets, without it it is necessary to use other fasteners.
  • the thermal insulator 18 can then be unrolled on the wings of the sheets installed, then protected by the external coating 20.
  • Such a construction is extremely simple and is carried out in a conventional manner.
  • blocks 24 produced in the same way as the blocks 12 , in the same material or in different materials, with similar or different thicknesses, are introduced between the wings of each sheet, against the blocks 12.
  • the blocks 24 are supported on the flat parts 15 wings which are perpendicular to the perforated sheet 4. They are optionally retained by means of jumpers 26, fitted on the sides 6 of the two wings, hooked and fixed on these sides 6 by fixing members such as screws 28. These jumpers , as well as the rest of the wings and the blocks 24, are covered by the thermal insulator 18, in the same manner as in the embodiment of FIG. 1.
  • jumpers 30 similar to jumpers 26 could also be used to retain the first layer of reinforcement blocks.
  • FIG. 5 shows an embodiment of this type.
  • the wings 32 of the U-shaped sheets 31 are simply bent in an inverted L, all in the same direction.
  • the dimensions of the two opposite wings of the same sheet, however, are slightly different, so that the wings of two adjacent sheets can fit into each other.
  • Jumpers 30 are then fitted onto the sidewall 36, parallel to the bottom of the sheet metal 31, of each wing 32 and extend downwards until they come into contact with the coating 16 of the blocks 12 placed in the sheet metal.
  • the thermal insulator 18 covers the wings 32 of the sheets as well as the jumpers 30, and an external coating 20 protects the assembly.
  • the other flanks 35 of the wings 32 may also have cutouts 38 folded down on the outside and forming retaining cleats for the reinforcing blocks. These tabs 38 can replace the jumpers 30 or be used in combination with the latter.
  • the internal coating is formed by a substantially continuous sheet 41, which can be completely flat or slightly corrugated or ribbed, as shown, and which is preferably perforated.
  • a substantially continuous sheet 41 which can be completely flat or slightly corrugated or ribbed, as shown, and which is preferably perforated.
  • parallel sections 43 which delimit, with the sheet, elongated receiving housings, each of at least one layer of blocks 12.
  • the profile 43 comprises for example, as shown in the drawings, two substantially parallel flanks 42 and 46 respectively, on either side of a core 44.
  • the flank 42 is used for attachment to the sheet 41 while the outer flank 46 serves as a support for the jumpers 30 which hold the blocks 12.
  • the cores 45 may, like the sides 35 of FIG. 5, include cutouts 38 which cooperate with the jumpers 30 or replace them.
  • the sections 43 are covered by thermal insulation 18 which overlaps them and is protected by the external covering 20.
  • sections 43 as well as the wings 3 of the U-shaped sheets can have any suitable shape, the embodiments described above and shown being given only by way of examples.
  • the insulating wall can be mounted in the vertical position shown as well as in the horizontal position. It can even possibly be used as a cover. In the latter case, however, a tank providing an air space is preferably interposed between the ribs of the inner lining and the thermal insulator 18.
  • the establishment of the reinforcement blocks 12 or 24 can be carried out in a very simple manner, on the site, and does not require any complicated maneuver.
  • the coating can have a certain flexibility, this installation is further facilitated.
  • the continuity of the acoustic protection is extremely good since the blocks are always in contact with each other over the entire length of the wall.
  • the sound insulation obtained can be increased by superimposing several layers of blocks at the interior of each dwelling.
  • the blocks can easily be manufactured industrially, at a relatively low cost price.

Abstract

This wall comprises an inner covering which consists of significantly projecting waling and is formed by, for example, a succession of U-shaped metal sheets (11) whose flanges are curved over so as to fit together with the flanges of the adjacent metal sheets. Acoustic reinforcement blocks (12) are placed end to end on the inside of the housings thus defined. Each of these blocks is formed by a panel made of an acoustically absorbing material (14) which is clad, on its face opposite the bottom (4) of the metal sheet (11), with an air-tight acoustic insulation coating (16). The flanges of the U-shaped metal sheets carry means for retaining the blocks, the latter being covered by a thermal insulation (18) and by an outer covering (20). <IMAGE>

Description

La protection acoustique est un problème important lors de la réalisation des bâtiments modernes et tout particulièrement des bâtiments industriels. En effet, elle doit assurer non seulement l'absorption des bruits intérieurs auxquels sont soumises les personnes qui se trouvent dans le bâtiment, ces bruits pouvant dans cer­tains cas atteindre des niveaux très importants suscepti­bles de provoquer des surdités et même des troubles ner­veux, mais également une isolation contre la transmission des bruits de l'intérieur vers l'extérieur, ou inverse­ment, afin par exemple de supprimer la gêne infligée au voisinage.Acoustic protection is an important problem during the construction of modern buildings and especially industrial buildings. In fact, it must ensure not only the absorption of interior noises to which people in the building are subjected, these noises being able in certain cases to reach very important levels likely to cause deafness and even nervous disorders, but also insulation against the transmission of noise from the inside to the outside, or vice versa, in order for example to remove the discomfort inflicted in the vicinity.

Les parois des bâtiments industriels sont très sou­vent construites avec des complexes métalliques légers fixés sur une charpente et comportant un revêtement inté­rieur nervuré, un isolant thermique et un revêtement exté­rieur,nervuré ou non, le revêtement intérieur pouvant éventuellement être perforé pour améliorer l'absorption des sons par le matériau isolant.The walls of industrial buildings are very often constructed with light metal complexes fixed on a frame and comprising a ribbed interior coating, a thermal insulation and an exterior coating, ribbed or not, the interior coating possibly being perforated to improve the absorption of sounds by the insulating material.

Les parois de ce type n'ayant pas des propriétés acoustiques suffisantes, on a proposé de réaliser le revê­tement intérieur au moyen d'un caisson fermé contenant un panneau mince de laine minérale de forte densité et muni de nervures, l'isolant thermique chevauchant ces nervures (FR-B-2 415 696).Since walls of this type do not have sufficient acoustic properties, it has been proposed to produce the interior covering by means of a closed box containing a thin panel of high density mineral wool and provided with ribs, the thermal insulation overlapping these ribs (FR-B-2 415 696).

On obtient ainsi une absorption et une isolation acoustiques efficaces. Toutefois la fabrication des parois de ce type est relativement coûteuse à cause du mode de fabrication des caissons et de la nécessité de les trans­porter de l'usine au chantier, alors qu'ils constituent des éléments volumineux et lourds. En outre, la mise en place et le montage des caissons sur la charpente sont relativement compliqués.This provides effective acoustic absorption and insulation. However, the manufacture of walls of this type is relatively expensive because of the method of manufacturing the boxes and the need to transport them from the factory to the site, while they constitute bulky and heavy elements. In addition, the establishment and mounting of the boxes on the frame are relatively complicated.

La présente invention a pour but de remédier à ces inconvénients en fournissant une paroi qui, tout en assu­ rant une bonne absorption intérieure et une bonne isola­tion vis-à-vis de l'extérieur, soit facile à mettre en place et peu coûteuse à réaliser.The object of the present invention is to remedy these drawbacks by providing a wall which, while ensuring rant good interior absorption and good insulation vis-à-vis the outside, is easy to set up and inexpensive to achieve.

Cette invention a en effet pour objet une paroi iso­lante thermo-acoustique dans laquelle le revêtement inté­rieur étant muni de nervures fortement en saillie, qui délimitent une succession de logements allongés, paral­lèles entre eux, des blocs de renforcement acoustique formés chacun par un panneau, en matériau acoustiquement absorbant, qui est revêtu sur l'une de ses grandes faces d'un enduit acoustiquement isolant et étanche à l'air, sont retenus à l'intérieur de chaque logement, entre le revêtement intérieur et un isolant thermique qui est re­couvert par un revêtement extérieur.The object of this invention is in fact a thermo-acoustic insulating wall in which the inner covering is provided with strongly projecting ribs which delimit a succession of elongated housings, parallel to each other, acoustic reinforcement blocks each formed by a panel acoustically absorbent material, which is coated on one of its large faces with an acoustically insulating and airtight coating, are retained inside each housing, between the inner lining and a thermal insulator which is covered by an exterior coating.

Les blocs de renforcement peuvent avoir toutes di­mensions désirées et sont introduits, sur le chantier, entre les nervures du revêtement intérieur qui a été préalablement fixé sur la charpente, ce qui simplifie à la fois le trans­port des matériaux et leur mise en place pour la réalisa­tion de la paroi.The reinforcement blocks can have any desired dimensions and are introduced, on the site, between the ribs of the interior covering which has been previously fixed on the frame, which simplifies both the transport of the materials and their installation for the realization of the wall.

Les blocs peuvent être retenus par les nervures elles mêmes qui, dans ce but, ont une forme repliée vers l'intérieur des logements,ou par des organes annexes mon­tés sur ces nervures.The blocks can be retained by the ribs themselves which, for this purpose, have a shape folded towards the inside of the housings, or by annexed members mounted on these ribs.

Selon une variante de réalisation, une seconde cou­che de blocs est montée entre les premiers et des organes de retenue chevauchant les nervures du revêtement.According to an alternative embodiment, a second layer of blocks is mounted between the first and retaining members overlapping the ribs of the covering.

La description ci-dessous de modes de réalisation donnés à titre d'exemples non limitatifs, et représentés aux dessins annexés, fera d'ailleurs ressortir les avan­tages et caractéristiques de l'invention.The description below of embodiments given by way of nonlimiting examples, and represented in the appended drawings, will moreover highlight the advantages and characteristics of the invention.

Sur ces dessins :

  • - la fig. 1 est une vue partielle en perspective, avec arrachement partiel, d'une paroi selon l'invention;
  • - la fig. 2 est une vue à plus grande échelle du détail A de la figure 1;
  • - la fig. 3 est une vue en coupe longitudinale d'une portion de la paroi de la figure 1 située à la jonction entre deux tôles bout à bout;
  • - la fig. 4 montre une variante de réalisation, en coupe suivant une ligne perpendiculaire aux ailes des tô­les du revêtement intérieur;
  • - les fig. 5 et 6 sont des vues,analogues à la fi­gure 1, de deux autres variantes de réalisation.
In these drawings:
  • - fig. 1 is a partial perspective view, with partial cutaway, of a wall according to the invention;
  • - fig. 2 is an enlarged view of the detail A of FIG. 1;
  • - fig. 3 is a view in longitudinal section of a portion of the wall of FIG. 1 located at the junction between two sheets end to end;
  • - fig. 4 shows an alternative embodiment, in section along a line perpendicular to the wings of the sheets of the inner lining;
  • - figs. 5 and 6 are views, similar to FIG. 1, of two other alternative embodiments.

La paroi isolante représentée sur ces dessins com­porte un revêtement intérieur 1 muni de nervures parallè­les 2 fortement en saillie. Dans le mode de réalisation des figures 1 à 5, ce revêtement intérieur est formé par une succession de tôles en U 11 qui ont, de préférence, un fond plan perforé 4 et dont les ailes 3 sont recourbées de manière à s'emboîter sur les ailes de la tôle adjacente pour former les nervures 2.The insulating wall shown in these drawings comprises an inner coating 1 provided with parallel ribs 2 strongly projecting. In the embodiment of FIGS. 1 to 5, this interior covering is formed by a succession of U-shaped sheets 11 which preferably have a perforated flat bottom 4 and whose wings 3 are curved so as to fit onto the wings of the adjacent sheet to form the ribs 2.

Les ailes de chaque tôle sont par exemple (fig. 1 et 2) repliées vers l'intérieur, en 5, puis redressées perpendiculairement au fond plan perforé 4, pour être pro­longées par un flanc plat 6 tourné vers l'extérieur et terminé par un rebord 8, 10, les deux rebords 8, 10 d'une même tôle ayant la même direction, de sorte que le flanc 6 et le rebord 10 d'une tôle se logent à l'intérieur du flanc 6 et du rebord 8 de la tôle adjacente, ce qui immo­bilise les deux tôles dans la direction perpendiculaire à leurs ailes.The wings of each sheet are for example (fig. 1 and 2) folded inwards, at 5, then straightened perpendicular to the perforated plane bottom 4, to be extended by a flat side 6 facing outwards and terminated by a flange 8, 10, the two flanges 8, 10 of the same sheet having the same direction, so that the flank 6 and the flange 10 of a sheet are housed inside the flank 6 and the flange 8 of the adjacent sheet, which immobilizes the two sheets in the direction perpendicular to their wings.

A l'intérieur de chacune des tôles en U 11 est dis­posée une série de blocs de renforcement 12 placés bout à bout et en contact, d'une part avec le fond perforé 4 de la tôle en U 11 et, d'autre part, avec les ailes 3 de cette tôle, de sorte qu'ils sont retenus par les portions inclinées 5 des ailes. Chaque bloc 12 est formé par un panneau 14 en un matériau acoustiquement absorbant, cons­titué par exemple par de la laine minérale ou un bloc de mousse. Ce panneau 14 est revêtu sur l'une de ses grandes faces, en fait sur la face la plus éloignée du fond per­foré 4, par un enduit acoustiquement isolant et étanche à l'air, formant une couche relativement mince par rapport à l'épaisseur du panneau. L'enduit 16 est, par exemple, un enduit organique constitué par des résines organiques munies de charges, ou un enduit hydraulique formé de ci­ment ou de chaux et comportant des charges. Il peut éga­lement être constitué par un mélange d'enduit organique et d'enduit hydraulique, tel qu'un mélange de résine organique, de ciment et de charge, capable de supporter les intempéries. En outre, des fibres de verre, de car­bone, de métal, ou autre, peuvent être ajoutées dans l'un ou l'autre de ces enduits.Inside each of the U-shaped sheets 11 is arranged a series of reinforcing blocks 12 placed end to end and in contact, on the one hand with the perforated bottom 4 of the U-shaped sheet 11 and, on the other hand, with the wings 3 of this sheet, so that they are retained by the inclined portions 5 of the wings. Each block 12 is formed by a panel 14 made of an acoustically absorbent material, constituted for example by mineral wool or a block of foam. This panel 14 is coated on one of its large faces, in fact on the side furthest from the perforated bottom 4, with an acoustically insulating and airtight coating, forming a relatively thin layer compared to the thickness of the panel. The coating 16 is, for example, an organic coating consisting of organic resins provided with fillers, or a hydraulic coating formed of cement or lime and comprising fillers. It can also be constituted by a mixture of organic coating and hydraulic coating, such as a mixture of organic resin, cement and filler, capable of withstanding bad weather. In addition, glass, carbon, metal, or other fibers can be added in either of these coatings.

Dans tous les cas, la nature de l'enduit et son épaisseur lui permettent d'assurer une isolation acous­tique de la paroi en combinaison avec les autres éléments de la paroi. En effet, un matelas thermiquement isolant 18 recouvre l'ensemble des tôles en U et des blocs 12 en chevauchant les nervures 2 formées par les ailes des tô­les et est protégé par un revêtement extérieur 20 qui comporte des nervures ou des ondulations perpendiculaires aux ailes des tôles. L'isolant 18 et le revêtement 20 coo­pèrent avec la couche d'enduit 16 de chaque panneau 12 pour assurer une isolation acoustique efficace, en se com­portant comme un système masse-ressort-masse.In all cases, the nature of the coating and its thickness allow it to provide acoustic insulation of the wall in combination with the other elements of the wall. Indeed, a thermally insulating mattress 18 covers all of the U-shaped sheets and blocks 12 by overlapping the ribs 2 formed by the wings of the sheets and is protected by an outer covering 20 which includes ribs or undulations perpendicular to the wings of the sheets. The insulator 18 and the covering 20 cooperate with the coating layer 16 of each panel 12 to ensure effective acoustic insulation, behaving like a mass-spring-mass system.

Une absorption acoustique est également obtenue grâce à la coopération du panneau isolant 14 et des per­forations de la tôle 4.Acoustic absorption is also obtained thanks to the cooperation of the insulating panel 14 and the perforations of the sheet 4.

La paroi ainsi formée permet donc d'obtenir une protection efficace contre les bruits à la fois inté­rieurs et extérieurs.The wall thus formed therefore makes it possible to obtain effective protection against both internal and external noise.

La dimension des blocs 12 peut être choisie en fonc­tion des facilités de fabrication et de transport, les blocs étant placés bout à bout à l'intérieur de la tôle en U 11 et leur nombre pouvant varier selon les dimensions de la paroi à réaliser. Ces blocs peuvent d'ailleurs che­vaucher deux tôles en U successives et assurer la conti­nuité de l'isolation à la jonction entre ces tôles (fig.3).The size of the blocks 12 can be chosen according to the manufacturing and transport facilities, the blocks being placed end to end inside the sheet in U 11 and their number may vary depending on the dimensions of the wall to be produced. These blocks can also overlap two successive U-shaped sheets and ensure the continuity of the insulation at the junction between these sheets (fig. 3).

Lors de la construction du bâtiment, chaque tôle en U 11 est fixée sur la charpente métallique du bâtiment, en deux ou davantage de points. Les tôles 11 sont ainsi placées les unes à côté des autres, de façon que leurs ailes s'emboîtent, et également bout à bout, deux tôles en U 11 et 21 étant, par exemple, fixées sur un même pro­filé 22, comme le montre la figure 3.During the construction of the building, each U-shaped sheet 11 is fixed to the metal frame of the building, at two or more points. The sheets 11 are thus placed one next to the other, so that their wings interlock, and also end to end, two U-shaped sheets 11 and 21 being, for example, fixed on the same profile 22, as shown Figure 3.

Des blocs de renforcement 12 sont ensuite introduits dans chacune des tôles en U, de façon à être en contact les uns avec les autres et à remplir tout l'espace intérieur des tôles en U. A la jonction entre les tôles en U 11 et 21 un bloc 12a est introduit à la fois dans ces deux tôles successives et remplit l'espace qui les sépare, au droit du profilé 22. Les blocs 12 sont automatiquement maintenus en place par les portions 5 des ailes des tôles, sans qu'il soit nécessaire d'utiliser d'autres organes de fi­xation. L'isolant thermique 18 peut alors être déroulé sur les ailes des tôles mises en place, puis protégé par le revêtement extérieur 20.Reinforcement blocks 12 are then introduced into each of the U-shaped sheets, so as to be in contact with one another and to fill the entire interior space of the U-shaped sheets. At the junction between the U-shaped sheets 11 and 21 a block 12 a is introduced both into these two successive sheets and fills the space which separates them, in line with the profile 22. The blocks 12 are automatically held in place by the portions 5 of the wings of the sheets, without it it is necessary to use other fasteners. The thermal insulator 18 can then be unrolled on the wings of the sheets installed, then protected by the external coating 20.

Une telle construction est extrêmement simple et s'effectue de manière classique.Such a construction is extremely simple and is carried out in a conventional manner.

Il peut parfois être avantageux d'utiliser une ou plusieurs couches de blocs de renforcement entre la pre­mière et l'isolant thermique 18. Dans ce cas, comme le montre la figure 4, des blocs 24, réalisés de la même ma­nière que les blocs 12, dans le même matériau ou dans des matériaux différents, avec des épaisseurs semblables ou différentes, sont introduits entre les ailes de chaque tôle, contre les blocs 12.It may sometimes be advantageous to use one or more layers of reinforcement blocks between the first and the thermal insulator 18. In this case, as shown in FIG. 4, blocks 24, produced in the same way as the blocks 12 , in the same material or in different materials, with similar or different thicknesses, are introduced between the wings of each sheet, against the blocks 12.

Dans le mode de réalisation représenté sur la figure 4, les blocs 24 sont en appui sur les parties planes 15 des ailes qui sont perpendiculaires à la tôle perforée 4. Ils sont éventuellement retenus au moyen de cavaliers 26, emboîtés sur les flancs 6 des deux ailes, accrochés et fixés sur ces flancs 6 par des organes de fixation tels que des vis 28. Ces cavaliers, de même que le reste des ailes et les blocs 24, sont recouverts par l'isolant thermique 18, de la même manière que dans le mode de réa­lisation de la figure 1.In the embodiment shown in Figure 4, the blocks 24 are supported on the flat parts 15 wings which are perpendicular to the perforated sheet 4. They are optionally retained by means of jumpers 26, fitted on the sides 6 of the two wings, hooked and fixed on these sides 6 by fixing members such as screws 28. These jumpers , as well as the rest of the wings and the blocks 24, are covered by the thermal insulator 18, in the same manner as in the embodiment of FIG. 1.

Bien entendu, des cavaliers 30 analogues aux cava­liers 26 pourraient également être utilisés pour retenir la première couche de blocs de renforcement. La figure 5 montre un mode de réalisation de ce type.Of course, jumpers 30 similar to jumpers 26 could also be used to retain the first layer of reinforcement blocks. FIG. 5 shows an embodiment of this type.

Sur cette figure, les ailes 32 des tôles en U 31 sont simplement recourbées en L renversé,toutes dans la même direction. Les dimensions des deux ailes opposées d'une même tôle sont toutefois légèrement différentes, de sorte que les ailes de deux tôles adjacentes peuvent s'emboîter l'une dans l'autre. Des cavaliers 30 sont en­suite emboîtés sur le flanc 36,parallèle au fond de la tôle 31, de chaque aile 32 et se prolongent vers le bas jusqu'au contact de l'enduit 16 des blocs 12 placés dans la tôle. De même que dans le mode de réalisation précé­demment décrit, l'isolant thermique 18 recouvre les ailes 32 des tôles ainsi que les cavaliers 30, et un revêtement extérieur 20 protège l'ensemble.In this figure, the wings 32 of the U-shaped sheets 31 are simply bent in an inverted L, all in the same direction. The dimensions of the two opposite wings of the same sheet, however, are slightly different, so that the wings of two adjacent sheets can fit into each other. Jumpers 30 are then fitted onto the sidewall 36, parallel to the bottom of the sheet metal 31, of each wing 32 and extend downwards until they come into contact with the coating 16 of the blocks 12 placed in the sheet metal. As in the embodiment described above, the thermal insulator 18 covers the wings 32 of the sheets as well as the jumpers 30, and an external coating 20 protects the assembly.

Les autres flancs 35 des ailes 32 peuvent également comporter des découpes 38 rabattues à l'extérieur et for­mant des taquets de maintien des blocs de renforcement. Ces taquets 38 peuvent remplacer les cavaliers 30 ou être utilisés en combinaison avec ces derniers.The other flanks 35 of the wings 32 may also have cutouts 38 folded down on the outside and forming retaining cleats for the reinforcing blocks. These tabs 38 can replace the jumpers 30 or be used in combination with the latter.

Selon une autre variante représentée sur la figure 6, le revêtement intérieur est formé par une tôle 41 sen­siblement continue, qui peut être totalement plane ou légèrement ondulée ou nervurée, comme représenté, et qui est de préférence perforée. Sur cette tôle 41 sont fixés à intervalles réguliers des profilés parallèles 43 qui délimitent, avec la tôle, des logements allongés de ré­ception, chacun, d'au moins une couche de blocs 12.According to another variant shown in FIG. 6, the internal coating is formed by a substantially continuous sheet 41, which can be completely flat or slightly corrugated or ribbed, as shown, and which is preferably perforated. On this sheet 41 are fixed at regular intervals parallel sections 43 which delimit, with the sheet, elongated receiving housings, each of at least one layer of blocks 12.

Le profilé 43 comporte par exemple, comme le mon­trent les dessins, deux flancs sensiblement parallèles 42 et 46 respectivement, de part et d'autre d'une âme 44. Le flanc 42 sert à la fixation sur la tôle 41 tandis que le flanc extérieur 46 sert de support aux cavaliers 30 qui maintiennent les blocs 12. Les âmes 45 peuvent, comme les flancs 35 de la figure 5, comporter des découpes 38 qui coopèrent avec les cavaliers 30 ou les remplacent.The profile 43 comprises for example, as shown in the drawings, two substantially parallel flanks 42 and 46 respectively, on either side of a core 44. The flank 42 is used for attachment to the sheet 41 while the outer flank 46 serves as a support for the jumpers 30 which hold the blocks 12. The cores 45 may, like the sides 35 of FIG. 5, include cutouts 38 which cooperate with the jumpers 30 or replace them.

Comme les ailes des tôles en U, les profilés 43 sont recouverts par l'isolant thermique 18 qui les che­vauche et est protégé par le revêtement extérieur 20.Like the wings of the U-shaped sheets, the sections 43 are covered by thermal insulation 18 which overlaps them and is protected by the external covering 20.

Bien entendu, les profilés 43 de même que les ailes 3 des tôles en U peuvent avoir toutes formes appropriées, les modes de réalisation décrits ci-dessus et représentés n'étant donnés qu'à titre d'exemples.Of course, the sections 43 as well as the wings 3 of the U-shaped sheets can have any suitable shape, the embodiments described above and shown being given only by way of examples.

De même, la paroi isolante peut aussi bien être mon­tée dans la position verticale représentée qu'en position horizontale. Elle peut même éventuellement être utilisée comme couverture. Dans ce dernier cas toutefois, un bac ménageant une lame d'air est de préférence interposé entre les nervures du revêtement intérieur et l'isolant thermi­que 18.Likewise, the insulating wall can be mounted in the vertical position shown as well as in the horizontal position. It can even possibly be used as a cover. In the latter case, however, a tank providing an air space is preferably interposed between the ribs of the inner lining and the thermal insulator 18.

Dans tous les cas la mise en place des blocs de ren­forcement 12 ou 24 peut s'effectuer de manière très simple, sur le chantier, et ne demande pas de manoeuvre compliquée. L'enduit pouvant avoir une certaine souplesse, cette mise en place s'en trouve encore facilitée. Par contre, la con­tinuité de la protection acoustique est extrêmement bonne puisque les blocs sont toujours en contact les uns avec les autres sur toute la longeur de la paroi.In all cases, the establishment of the reinforcement blocks 12 or 24 can be carried out in a very simple manner, on the site, and does not require any complicated maneuver. The coating can have a certain flexibility, this installation is further facilitated. On the other hand, the continuity of the acoustic protection is extremely good since the blocks are always in contact with each other over the entire length of the wall.

Par ailleurs, l'isolation acoustique obtenue peut être accrue en superposant plusieurs couches de blocs à l'intérieur de chaque logement.Furthermore, the sound insulation obtained can be increased by superimposing several layers of blocks at the interior of each dwelling.

Les blocs peuvent facilement être fabriqués de ma­nière industrielle, à un prix de revient relativement peu élevé.The blocks can easily be manufactured industrially, at a relatively low cost price.

Claims (11)

1 - Paroi isolante thermo-acoustique, comportant un revêtement intérieur nervuré de fixation sur une structure de bâtiment, un isolant thermique, et un revêtement exté­rieur, caractérisée en ce que le revêtement intérieur étant muni de nervures fortement en saillie qui délimi­tent une succession de logements allongés, parallèles en­tre eux, des blocs (24, 12) de renforcement acoustique formés chacun par un panneau en matériau acoustiquement absorbant (14), qui est revêtu sur l'une de ses grandes faces d'un enduit (16) acoustiquement isolant et étanche à l'air, sont retenus à l'intérieur de chaque logement, entre le revêtement intérieur et l'isolant thermique.1 - Thermo-acoustic insulating wall, comprising a ribbed inner covering for fixing to a building structure, a thermal insulator, and an outer covering, characterized in that the inner covering being provided with strongly projecting ribs which delimit a succession of housings elongated, mutually parallel, blocks (24, 12) of acoustic reinforcement each formed by a panel of acoustically absorbent material (14), which is coated on one of its large faces with an acoustically insulating coating (16) and airtight, are retained inside each housing, between the interior lining and the thermal insulation. 2 - Paroi suivant la revendication 1, caractérisée en ce que l'enduit (16) est un enduit organique, un enduit hydraulique, ou un mélange des deux.2 - wall according to claim 1, characterized in that the coating (16) is an organic coating, a hydraulic coating, or a mixture of the two. 3 - Paroi suivant la revendication 2, caractérisée en ce que l'enduit (16) comporte également des fibres de verre, de carbone ou de métal.3 - wall according to claim 2, characterized in that the coating (16) also comprises glass fibers, carbon or metal. 4 - Paroi suivant l'une des revendications 1 à 3, caractérisée en ce que l'enduit (16) a une souplesse telle que l'introduction des blocs (12) dans les logements est facile.4 - wall according to one of claims 1 to 3, characterized in that the coating (16) has a flexibility such that the introduction of the blocks (12) in the housing is easy. 5 - Paroi suivant l'une des revendications 1 à 4, caractérisée en ce que les blocs (12) sont retenus par des cavaliers (26, 30) emboîtés sur les nervures (2) du revê­tement intérieur.5 - wall according to one of claims 1 to 4, characterized in that the blocks (12) are retained by jumpers (26, 30) fitted on the ribs (2) of the inner lining. 6 - Paroi suivant l'une des revendications 1 à 5, caractérisée en ce que les blocs (12, 24) sont retenus par des découpes (38) des nervures (2) du revêtement.6 - wall according to one of claims 1 to 5, characterized in that the blocks (12, 24) are retained by cutouts (38) of the ribs (2) of the coating. 7 - Paroi suivant l'une des revendications précé­dentes, caractérisée en ce qu'elle comporte au moins une couche de blocs supplémentaires (24) interposée entre les premiers blocs (12) et l'isolant thermique (18), et rete­nue par des cavaliers (26) chevauchant les nervures (2) du revêtement, ou par des découpes (38).7 - wall according to one of the preceding claims, characterized in that it comprises at least one layer of additional blocks (24) interposed between the first blocks (12) and the thermal insulator (18), and retained by jumpers (26) overlapping the ribs (2) of the coating, or by cutouts (38). 8 - Paroi suivant l'une des revendications précé­dentes, dont le revêtement intérieur est formé par une succession de tôles en U (11, 21), caractérisée en ce que les blocs (12) de renforcement acoustique sont retenus par des portions (5) inclinées vers l'intérieur des deux ailes de la tôle (11) délimitant le logement.8 - wall according to one of the preceding claims, the inner coating of which is formed by a succession of U-shaped sheets (11, 21), characterized in that the blocks (12) of acoustic reinforcement are retained by portions (5) inclined towards the inside of the two wings of the sheet (11) delimiting the housing. 9 - Paroi suivant l'une des revendications précé­dentes, comportant un revêtement intérieur formé par une succession de tôles en U, caractérisée en ce que les ailes (3) de chaque tôle sont recourbées vers l'extérieur en direction opposée, et forment des flancs plans (6) d'em­boîtement avec l'aile d'une tôle adjacente.9 - wall according to one of the preceding claims, comprising an inner coating formed by a succession of U-shaped sheets, characterized in that the wings (3) of each sheet are curved outward in opposite directions, and form flanks interlocking plans (6) with the wing of an adjacent sheet metal. 10 - Paroi suivant l'une des revendications 1 à 8, dont le revêtement intérieur est formé par une succession de tôles en U, caractérisée en ce que les ailes (32) des tôles en U (31) ont des formes analogues et sont recour­bées dans la même direction.10 - wall according to one of claims 1 to 8, the inner coating is formed by a succession of U-shaped sheets, characterized in that the wings (32) of the U-shaped sheets (31) have similar shapes and are curved in the same direction. 11 - Paroi suivant l'une des revendications précé­dentes, caractérisée en ce qu'un bac ménageant une lame d'air est interposé entre les nervures du revêtement in­térieur (1, 41) et l'isolant thermique (18) protégé par le revêtement extérieur.11 - wall according to one of the preceding claims, characterized in that a tray providing an air space is interposed between the ribs of the inner covering (1, 41) and the thermal insulation (18) protected by the outer covering .
EP86402713A 1985-11-13 1986-12-08 Thermo-acoustic insulating wall Withdrawn EP0270716A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8516766A FR2589904B1 (en) 1985-11-13 1985-11-13 THERMO-ACOUSTIC INSULATING WALL.
EP86402713A EP0270716A1 (en) 1986-12-08 1986-12-08 Thermo-acoustic insulating wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86402713A EP0270716A1 (en) 1986-12-08 1986-12-08 Thermo-acoustic insulating wall

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EP0270716A1 true EP0270716A1 (en) 1988-06-15

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EP86402713A Withdrawn EP0270716A1 (en) 1985-11-13 1986-12-08 Thermo-acoustic insulating wall

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EP (1) EP0270716A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687422A1 (en) * 1992-02-13 1993-08-20 Smac Acieroid INSULATING AND WATERPROOF COVER FOR BUILDING.
FR2697270A1 (en) * 1992-10-23 1994-04-29 Smac Acieroid Thermal and acoustic insulating wall - comprising acoustic caissons with U-shaped metal piece to which flat metal sheets are attached, and layer of thermal insulation and corrugated exterior
EP0612896A1 (en) * 1993-02-23 1994-08-31 Sollac Wall, internal cladding or metallic cladding for buildings and reinforcing profile for such a wall
FR2702542A1 (en) * 1993-03-09 1994-09-16 Couvracier Sa Insulating and acoustic jacket of the double-skin type
EP1306495A1 (en) * 2001-10-25 2003-05-02 Usinor Siding panel and wall formed therefrom
US10501612B2 (en) 2015-05-05 2019-12-10 3M Innovative Properties Company Curable composition for sound barrier film

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE850227C (en) * 1949-06-11 1952-09-22 Hans Bode Process for the production of cladding, structural elements and flooring
DE6601877U (en) * 1966-10-21 1969-04-17 Friedrich Graepel INSULATION PANEL FOR SOUND AND / OR THERMAL INSULATION (INSULATION)
FR2415696A1 (en) * 1978-01-26 1979-08-24 Smac Acieroid THERMO-ACOUSTIC INSULATION WALL

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE850227C (en) * 1949-06-11 1952-09-22 Hans Bode Process for the production of cladding, structural elements and flooring
DE6601877U (en) * 1966-10-21 1969-04-17 Friedrich Graepel INSULATION PANEL FOR SOUND AND / OR THERMAL INSULATION (INSULATION)
FR2415696A1 (en) * 1978-01-26 1979-08-24 Smac Acieroid THERMO-ACOUSTIC INSULATION WALL

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687422A1 (en) * 1992-02-13 1993-08-20 Smac Acieroid INSULATING AND WATERPROOF COVER FOR BUILDING.
EP0557170A1 (en) * 1992-02-13 1993-08-25 Smac Acieroid Insulating and impervious roof for buildings
FR2697270A1 (en) * 1992-10-23 1994-04-29 Smac Acieroid Thermal and acoustic insulating wall - comprising acoustic caissons with U-shaped metal piece to which flat metal sheets are attached, and layer of thermal insulation and corrugated exterior
EP0612896A1 (en) * 1993-02-23 1994-08-31 Sollac Wall, internal cladding or metallic cladding for buildings and reinforcing profile for such a wall
FR2701978A1 (en) * 1993-02-23 1994-09-02 Lorraine Laminage Interior wall cladding or building metal roof and reinforcing profile for such a wall.
FR2702542A1 (en) * 1993-03-09 1994-09-16 Couvracier Sa Insulating and acoustic jacket of the double-skin type
EP1306495A1 (en) * 2001-10-25 2003-05-02 Usinor Siding panel and wall formed therefrom
US10501612B2 (en) 2015-05-05 2019-12-10 3M Innovative Properties Company Curable composition for sound barrier film

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