FR2697858A1 - Three layer precast concrete and insulation material construction panel - comprises fixing reinforcement cage pouring concrete leaving starter bars placing expanded polystyrene 2nd cage and pouring glass fibre concrete - Google Patents
Three layer precast concrete and insulation material construction panel - comprises fixing reinforcement cage pouring concrete leaving starter bars placing expanded polystyrene 2nd cage and pouring glass fibre concrete Download PDFInfo
- Publication number
- FR2697858A1 FR2697858A1 FR9213723A FR9213723A FR2697858A1 FR 2697858 A1 FR2697858 A1 FR 2697858A1 FR 9213723 A FR9213723 A FR 9213723A FR 9213723 A FR9213723 A FR 9213723A FR 2697858 A1 FR2697858 A1 FR 2697858A1
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- Prior art keywords
- concrete
- panel
- layer
- formwork
- pouring
- Prior art date
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Links
- 239000004567 concrete Substances 0.000 title claims abstract description 47
- 230000002787 reinforcement Effects 0.000 title claims abstract description 14
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 239000004794 expanded polystyrene Substances 0.000 title claims abstract description 6
- 239000003365 glass fiber Substances 0.000 title claims description 8
- 239000007858 starting material Substances 0.000 title abstract 3
- 239000012774 insulation material Substances 0.000 title 1
- 239000011178 precast concrete Substances 0.000 title 1
- 239000011521 glass Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 238000009415 formwork Methods 0.000 claims description 23
- 239000011324 bead Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000003995 emulsifying agent Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000005871 repellent Substances 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000009416 shuttering Methods 0.000 abstract 2
- 238000004078 waterproofing Methods 0.000 abstract 2
- 230000001804 emulsifying effect Effects 0.000 abstract 1
- 239000011152 fibreglass Substances 0.000 abstract 1
- 210000002105 tongue Anatomy 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000011381 foam concrete Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010001488 Aggression Diseases 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 230000016571 aggressive behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/045—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/003—Machines or methods for applying the material to surfaces to form a permanent layer thereon to insulating material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0068—Embedding lost cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- 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
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/06—Vegetal particles
- B32B2264/062—Cellulose particles, e.g. cotton
- B32B2264/067—Wood particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
- B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/08—Reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
PROCEDE DE FABRICATION D'UN PANNEAU DE
CONSTRUCTION DE TYPE SANDWICH A TROIS COUCHES
ET PANNEAU OBTENU PAR LA MISE EN OEUVRE DE CE PROCEDE
La présente invention concerne un procédé de fabrication d'un panneau de construction du type sandwich, et plus particulièrement d'un panneau composé de trois couches adjacentes de matériaux différents. Elle concerne également le panneau sandwich ainsi obtenu.METHOD FOR MANUFACTURING A PANEL OF
THREE-LAYERED SANDWICH CONSTRUCTION
AND PANEL OBTAINED BY THE IMPLEMENTATION OF THIS PROCESS
The present invention relates to a method of manufacturing a sandwich type construction panel, and more particularly a panel composed of three adjacent layers of different materials. It also relates to the sandwich panel thus obtained.
Les éléments de construction qui sont utilisés pour la fabrication de certains types de bâtiments, et en particulier de bâtiments d'élevage, doivent posséder différentes caractéristiques qui sont parfois contradictoires, notamment
- un très bon coefficient d'isolation thermique
- une certaine inertie thermique permettant d'emmagasiner puis de restituer la chaleur
- une bonne résistance mécanique
- une étanchéité parfaite, aussi bien à l'eau qu'à l'air
- un prix de revient modéré
- une pose facile, même par un personnel non spécialisé
- une paroi extérieure ayant un aspect de surface convenable sur le plan esthétique
- une paroi intérieure dure et lisse, car elle doit résister aux agressions des animaux (notamment aux morsures si on a affaire à un élevage porcin), elle doit permettre la pose de scellements intérieurs et pouvoir être nettoyée au jet d'eau sous pression.The building elements which are used for the manufacture of certain types of buildings, and in particular of livestock buildings, must have different characteristics which are sometimes contradictory, in particular
- a very good coefficient of thermal insulation
- a certain thermal inertia allowing to store and then restore the heat
- good mechanical resistance
- a perfect seal, both in water and in air
- a moderate cost price
- easy installation, even by non-specialized personnel
- an outer wall having an aesthetically suitable surface appearance
- a hard and smooth interior wall, because it must resist the aggressions of animals (in particular to bites if we are dealing with a pig breeding), it must allow the installation of interior seals and be able to be cleaned with a jet of water under pressure.
Les éléments de construction traditionnellement utilisés, en béton ou en brique, ne remplissent pas l'ensemble de ces conditions. Construction elements traditionally used, concrete or brick, do not meet all of these conditions.
Le procédé selon l'invention est un procédé simple et peu coûteux, facile à mettre en oeuvre, permettant d'obtenir un élément de construction sous forme d'un panneau sandwich qui satisfait aux différentes conditions énoncées ci-dessus. The method according to the invention is a simple and inexpensive method, easy to implement, making it possible to obtain a building element in the form of a sandwich panel which satisfies the various conditions set out above.
Le procédé selon l'invention comprend les différentes étapes suivantes
a) on place dans un coffrage une première armature de renforcement qui est pourvue d'éléments de liaison transversaux faisant saillie sur l'une des faces de l'armature, vers l'intérieur du coffrage
b) on coule dans le coffrage une couche de béton de manière à enrober l'armature en laissant découverts lesdits éléments de liaison transversaux
c) on place dans le coffrage une plaque de matériau isolant, par exemple de polystyrène expansé, de manière à ce qu'elle soit traversée par lesdits éléments de liaison transversaux et qu'elle s'applique contre la couche de béton
d) on fixe une seconde armature de renforcement à l'extrémité des éléments de liaison
e) on coule dans le coffrage, contre ladite plaque, une couche de béton contenant un granulat de verre expansé
f) on laisse les deux couches de béton faire leur prise
g) on extrait du coffrage le panneau fini.The method according to the invention comprises the following different steps
a) a first reinforcement frame is placed in a formwork which is provided with transverse connecting elements projecting on one of the faces of the frame, towards the inside of the formwork
b) a layer of concrete is poured into the formwork so as to coat the reinforcement leaving uncovered said transverse connecting elements
c) a sheet of insulating material, for example of expanded polystyrene, is placed in the formwork, so that it is crossed by said transverse connecting elements and that it is applied against the concrete layer
d) a second reinforcing reinforcement is fixed at the end of the connecting elements
e) a layer of concrete containing an expanded glass aggregate is poured into the formwork against said plate.
f) the two layers of concrete are allowed to set
g) the finished panel is extracted from the formwork.
Selon une caractéristique de l'invention, on utilise à l'étape e) un béton contenant des billes de verre expansé dont la granulométrie est de préférence comprise entre 3 et 8 mm environ. According to a characteristic of the invention, use is made in step e) of a concrete containing expanded glass beads, the particle size of which is preferably between 3 and 8 mm approximately.
A cette étape e) on utilise de préférence un béton contenant un agent émulsifiant et un agent hydrofugeant. In this step e) preferably using a concrete containing an emulsifying agent and a water-repellent agent.
Il est possible de renforcer encore la résistance mécanique du panneau, et notamment sa résistance à la fissuration, en incorporant dans le béton utilisé à l'étape e) des paillettes de fibre de verre. It is possible to further strengthen the mechanical strength of the panel, and in particular its resistance to cracking, by incorporating into the concrete used in step e) glass fiber flakes.
De préférence, le panneau qui est obtenu par ce procédé, possède une couche de béton contenant le verre expansé ayant une épaisseur sensiblement égale à la somme des épaisseurs de deux autres couches. Preferably, the panel which is obtained by this process has a layer of concrete containing the expanded glass having a thickness substantially equal to the sum of the thicknesses of two other layers.
Selon un mode de réalisation préférentiel du panneau, il comporte des profils d'emboîtement latéraux complémentaires, mâle et femelle. According to a preferred embodiment of the panel, it comprises complementary lateral interlocking profiles, male and female.
Ces profils ont de préférence une section trapézoïdale qui ménage, après emboîtement, un espace permettant la coulée d'un joint. These profiles preferably have a trapezoidal section which, after interlocking, provides a space allowing the casting of a joint.
Avantageusement, le panneau a une hauteur correspondant à un étage, de l'ordre de 2,5 à 3 m. De préférence, le bord supérieur de la plaque centrale en matériau isolant se trouve en retrait par rapport au bord supérieur des deux autres couches (béton et béton contenant les billes de verre), ce qui ménage à ce niveau un espace permettant la coulée d'un chaînage. Advantageously, the panel has a height corresponding to one floor, of the order of 2.5 to 3 m. Preferably, the upper edge of the central plate of insulating material is set back with respect to the upper edge of the other two layers (concrete and concrete containing the glass beads), which provides at this level a space allowing the pouring of chaining.
Dans un mode de réalisation avantageux, le panneau comporte un organe de suspension qui est noyé dans la plaque centrale au voisinage de son bord supérieur et est fixé aux armatures enrobées dans les deux couches de béton. Cet organe de suspension est destiné à recevoir un crochet permettant le levage et la manipulation du panneau au moment de la pose. In an advantageous embodiment, the panel comprises a suspension member which is embedded in the central plate in the vicinity of its upper edge and is fixed to the reinforcements coated in the two layers of concrete. This suspension member is intended to receive a hook allowing the lifting and handling of the panel at the time of installation.
D'autres caractéristiques et avantages de l'invention apparaîtront de la description et des dessins annexés qui en illustrent un mode de réalisation préférentiel. Other characteristics and advantages of the invention will appear from the description and the appended drawings which illustrate a preferred embodiment thereof.
Sur ces dessins
- les figures 1, 2, 3, 4, 5 et 6 sont des vues schématiques, coupées par un plan vertical, d'un panneau en cours de fabrication, chacune des figures représentant une étape de la fabrication
- la figure 7 représente le panneau une fois posé, dans la construction d'un bâtiment, selon un plan de coupe vertical perpendiculaire au panneau
- la figure 8 est une vue partielle du bord supérieur du panneau, coupé par un plan vertical transversal
- les figures 9 et 10 sont des vues en coupe horizontale de deux panneaux assemblés, respectivement dans le prolongement l'un de l'autre et dans un angle.On these drawings
- Figures 1, 2, 3, 4, 5 and 6 are schematic views, cut by a vertical plane, of a panel during manufacture, each of the figures representing a stage of manufacture
- Figure 7 shows the panel once installed, in the construction of a building, along a vertical section plane perpendicular to the panel
- Figure 8 is a partial view of the upper edge of the panel, cut by a transverse vertical plane
- Figures 9 and 10 are views in horizontal section of two assembled panels, respectively in the extension of one another and at an angle.
A la figure 1 est représenté en coupe et schématiquement un coffrage 5 comprenant un fond horizontal 50 et des côtés 51. L'espace intérieur du coffrage correspond à la forme du panneau que l'on souhaite obtenir. In Figure 1 is shown in section and schematically a formwork 5 comprising a horizontal bottom 50 and sides 51. The interior space of the formwork corresponds to the shape of the panel that one wishes to obtain.
On commence par disposer au fond du coffrage une armature de renforcement 10. Il s'agit par exemple d'un treillis soudé en fer, à mailles carrées de dimensions 150 mm x par 150 mm. L'armature 10 est supportée à une certaine distance au-dessus du fond 50 du coffrage par des entretoises 4. La hauteur de ces entretoises est de l'ordre de 1,5 à 2 mm. We start by placing a reinforcing reinforcement 10 at the bottom of the formwork. This is for example a welded iron mesh, with square meshes of dimensions 150 mm × 150 mm. The frame 10 is supported at a certain distance above the bottom 50 of the formwork by spacers 4. The height of these spacers is of the order of 1.5 to 2 mm.
A l'armature 10 sont fixés plusieurs éléments métalliques 11, tels que des barres de fer ayant une extrémité en forme de crochet. Ils sont par exemple au nombre de dix ou de quinze, régulièrement répartis sur toute la surface du treillis 10 ; seuls deux d'entre eux ont été représentés sur la vue très schématique de la figure 1. Leur longueur est de l'ordre de 130 mm. Ils s'étendent verticalement à l'intérieur du coffrage 5. I1 est également prévu des éléments similaires 110 sur les bords de l'armature. To the frame 10 are fixed several metal elements 11, such as iron bars having a hook-shaped end. They are for example ten or fifteen in number, regularly distributed over the entire surface of the trellis 10; only two of them have been shown in the very diagrammatic view of FIG. 1. Their length is of the order of 130 mm. They extend vertically inside the formwork 5. I1 is also provided similar elements 110 on the edges of the frame.
Pour fabriquer le panneau selon l'invention, on commence par couler dans le coffrage 5 un béton du type traditionnel, tel que celui connu dans le bâtiment sous la désignation "CPA 55" (ciment Portland artificiel de classe 55).To manufacture the panel according to the invention, one begins by pouring into the formwork 5 a concrete of the traditional type, such as that known in the building under the designation "CPA 55" (artificial Portland cement of class 55).
La couche de béton déposée à une épaisseur de l'ordre de 40 mm. Le béton vient enrober l'armature 10, laissant dépasser les éléments 11. Dès que le béton a été coulé, on enlève les entretoises 4. The concrete layer deposited at a thickness of the order of 40 mm. The concrete coats the reinforcement 10, leaving the elements 11 protruding. As soon as the concrete has been poured, the spacers 4 are removed.
A l'issue de cette étape, qui est illustrée à la figure 2, on vient poser sur la couche 1 de béton encore frais une plaque 2 en matériau isolant (voir figure 3). At the end of this step, which is illustrated in FIG. 2, a plate 2 of insulating material is placed on the layer 1 of still fresh concrete (see FIG. 3).
La plaque 2 est avantageusement une plaque en polystyrène expansé possèdant un taux de compressibilité peu élevé et présentant un bon coefficient d'isolation thermique. Des ouvertures appropriées 20 sont percées dans la plaque 2 de manière à permettre de la placer sur les éléments saillants 11 en l'appliquant contre la couche de béton 1. On constate à l'observation de la figure 3 que les dimensions extérieures de la plaque 2 sont inférieures à celles du coffrage, ce qui ménage un espace sur la périphérie de la plaque. The plate 2 is advantageously an expanded polystyrene plate having a low compressibility rate and having a good coefficient of thermal insulation. Appropriate openings 20 are drilled in the plate 2 so as to allow it to be placed on the projecting elements 11 by applying it against the concrete layer 1. It can be seen from the observation of FIG. 3 that the external dimensions of the plate 2 are less than those of the formwork, which saves space on the periphery of the plate.
L'épaisseur de la plaque 2 est de l'ordre de 60 mm. The thickness of the plate 2 is of the order of 60 mm.
A l'étape suivante, qui est illustrée sur la figure 4, on fixe une seconde armature de renforcement 12 à l'extrémité libre des éléments 11. In the next step, which is illustrated in FIG. 4, a second reinforcement frame 12 is fixed to the free end of the elements 11.
Leur forme de crochet facilite cette liaison qui peut être complétée par soudage. L'armature 12 est analogue à l'armature 10. Their hook shape facilitates this connection which can be completed by welding. The frame 12 is similar to the frame 10.
On vient ensuite couler dans le coffrage une nouvelle couche de béton comme cela est illustré à la figure 5. I1 s'agit cette fois d'un béton léger et isolant contenant un granulat de verre expansé. A new layer of concrete is then poured into the formwork as illustrated in FIG. 5. This time it is a light and insulating concrete containing an aggregate of expanded glass.
A titre indicatif, pour obtenir ce béton, on commence par mélanger des paillettes de fibre de verre dans de l'eau, et on incorpore cette eau chargée de fibres de verre, en mélangeant, dans un ciment contenant un peu de sable et des billes de verre expansé. As an indication, to obtain this concrete, we start by mixing glass fiber flakes in water, and we incorporate this water loaded with glass fibers, by mixing, in a cement containing a little sand and beads of expanded glass.
De préférence, on ajoute à ce mélange un agent émulsifiant et un agent hydrofugeant. Preferably, an emulsifying agent and a water-repellent agent are added to this mixture.
A titre indicatif, pour obtenir 1 m3 de béton, on utilisera environ 350 kilogrammes de ciment, 800 litres de billes ayant une granulométrie allant de 3 à 8 mm, 200 litres d'eau contenant 1 litre de paillettes de fibre de verre, 25 kilogrammes de sable, 1 à 4 kilogrammes d'agent hydrofugeant et 0,5 à 2 kilogrammes d'agent émulsifiant. As an indication, to obtain 1 m3 of concrete, approximately 350 kilograms of cement will be used, 800 liters of beads having a particle size ranging from 3 to 8 mm, 200 liters of water containing 1 liter of glass fiber flakes, 25 kilograms of sand, 1 to 4 kilograms of water repellant and 0.5 to 2 kilograms of emulsifier.
Le ciment utilisé est un ciment ordinaire. The cement used is ordinary cement.
Les billes de verre expansé sont par exemple du type commercialisé sous le nom commercial PORAVER par la société allemande
DENNERT PORAVER GMBH. Les paillettes de fibre de verre sont par exemple des fibres copolymères organiques disponibles dans le commerce sous la désignation CHRYSO FIBRES HI-TECH. L'agent hydrofugeant est par exemple le produit diffusé sous la désignation commerciale "IMPER
BETON" tandis que l'agent émulsifiant est par exemple l'adjuvant pour béton diffusé sous le nom commercial BEVEREX RC 6000.The expanded glass beads are for example of the type sold under the trade name PORAVER by the German company.
DENNERT PORAVER GMBH. The glass fiber flakes are for example organic copolymer fibers commercially available under the designation CHRYSO FIBERS HI-TECH. The water-repellent agent is for example the product distributed under the trade name "IMPER
CONCRETE "while the emulsifying agent is for example the concrete admixture distributed under the trade name BEVEREX RC 6000.
Le béton ainsi réalisé est coulé à l'intérieur du coffrage de manière à enrober complètement l'armature 12 et à occuper l'espace périphérique entourant la plaque centrale 2. L'épaisseur de cette couche est de 100 mm environ. The concrete thus produced is poured inside the formwork so as to completely coat the reinforcement 12 and occupy the peripheral space surrounding the central plate 2. The thickness of this layer is approximately 100 mm.
La masse volumique de la couche 3 est de l'ordre de 450 à 600 kg/m3. The density of layer 3 is of the order of 450 to 600 kg / m3.
On laisse le béton constitutif des couches 1 et 3 faire leurs prises. The concrete constituting layers 1 and 3 is allowed to take their hold.
Après durcissement, la couche de béton 1 a une grande dureté et des faces lisses. Sa masse volumique est de l'ordre de 2 500 kg/m3. After hardening, the concrete layer 1 has a high hardness and smooth faces. Its density is around 2,500 kg / m3.
On extrait ensuite l'ensemble du coffrage 5 et on obtient le panneau sandwich représenté à la figure 6. Celui-ci est par conséquent constitué d'une couche 1 de béton dur et dense d'épaisseur el = 40 mm, d'une couche centrale 2 en polystyrène expansé ayant une épaisseur e2 = 60 mm et d'une couche 3 en béton cellulaire expansé ayant une épaisseur e3 = 100 mm. The entire formwork 5 is then extracted and the sandwich panel shown in FIG. 6 is obtained. It therefore consists of a layer 1 of hard and dense concrete of thickness el = 40 mm, of a layer central 2 in expanded polystyrene having a thickness e2 = 60 mm and a layer 3 in expanded cellular concrete having a thickness e3 = 100 mm.
Le panneau a donc une épaisseur totale de 200 mm. Les armatures 10, 12 et les éléments de liaison Il assurent la cohésion de l'ensemble et leur bonne résistance mécanique. The panel therefore has a total thickness of 200 mm. The frames 10, 12 and the connecting elements It ensure the cohesion of the assembly and their good mechanical resistance.
Le panneau a un coefficient de transmission thermique surfacique K de l'ordre de 0,35 à 0,40 W/m2 "C. De préférence, des éléments amovibles de forme appropriée sont placés dans le coffrage, à sa périphérie, de manière à donner à certains bords du panneau des configurations particulières. The panel has a surface thermal transmission coefficient K of the order of 0.35 to 0.40 W / m2 "C. Preferably, removable elements of appropriate shape are placed in the formwork, at its periphery, so as to give certain edges of the panel specific configurations.
C'est ainsi, comme on le verra plus particulièrement en référence aux figures 7 et 8, que le bord supérieur du panneau est évidé au niveau de la plaque centrale, tandis que les bords latéraux des panneaux possèdent des profils d'emboîtement, l'un mâle et l'autre femelle, permettant une liaison par emboîtement bout à bout ou en angle des panneaux adjacents. Thus, as will be seen more particularly with reference to FIGS. 7 and 8, the upper edge of the panel is hollowed out at the level of the central plate, while the lateral edges of the panels have interlocking profiles, the one male and the other female, allowing connection by interlocking end to end or at an angle to the adjacent panels.
La figure 7 montre la paroi d'un bâtiment d'élevagé équipé du panneau 1. Le bord inférieur du panneau est plan. Le panneau est posé sur un soubassement 74, par exemple en béton. Sa liaison a ce niveau se fait de manière connue, par exemple à l'aide d'un mortier ou d'un joint en mousse de polyuréthane. La couche 1 est tournée vers l'intérieur du bâtiment. Le soubassement 74 déborde vers l'intérieur par rapport à la face du panneau, ce qui autorise la pose d'un caillebotis 75. Figure 7 shows the wall of a raised building fitted with panel 1. The lower edge of the panel is flat. The panel is placed on a base 74, for example of concrete. Its connection at this level is done in a known manner, for example using a mortar or a polyurethane foam joint. Layer 1 faces the interior of the building. The base 74 projects inwardly relative to the face of the panel, which authorizes the installation of a grating 75.
En partie haute, le bord supérieur de la plaque 2 se trouve en retrait par rapport au bord supérieur des couches 1 et 3, ce qui ménage un espace central ; à ce niveau, les faces des couches 1 et 3 sont légèrement biseautées, ce qui donne à l'évidement 6 la forme d'un dièdre dont le sommet est dirigé vers le bas. Dans l'évidement 6 est placée une armature de chaînage 7 et un chaînage 70, par exemple en béton coulé. La forme de dièdre facilite la coulée. Le bord supérieur du panneau reçoit une sablière 71 supportant les fermettes 72 et la charpente de toit 73. Le panneau est complètement imperméable à l'eau et à l'air. Il a une inertie thermique convenable et un bon coefficient d'isolation thermique grâce à la présence de la couche épaisse 3 de béton cellulaire expansé et la couche de polystyrène 2.Côté extérieur, le béton cellulaire a un bel aspect de surface tandis que, côté intérieur, la couche 1 lisse et dense autorise un nettoyage au jet d'eau sous hautre pression. Il est possible de percer cette couche pour y ancrer des éléments de scellement, par exemple pour la fixation de dispositifs d'alimentation ou de ventilation de l'élevage. Enfin, la couche 1 ne peut pas être détériorée par les animaux. Ceci est très intéressant notamment si on a affaire à un élevage de porcs, ces animaux ayant tendance à mordiller tout ce qui leur est accessible. In the upper part, the upper edge of the plate 2 is set back relative to the upper edge of the layers 1 and 3, which provides a central space; at this level, the faces of the layers 1 and 3 are slightly bevelled, which gives the recess 6 the shape of a dihedral whose top is directed downwards. In the recess 6 is placed a chaining frame 7 and a chaining 70, for example of poured concrete. The dihedral shape facilitates casting. The upper edge of the panel receives a sand pit 71 supporting the trusses 72 and the roof frame 73. The panel is completely impermeable to water and air. It has a suitable thermal inertia and a good coefficient of thermal insulation thanks to the presence of the thick layer 3 of expanded cellular concrete and the layer of polystyrene 2. On the outside, the cellular concrete has a beautiful surface appearance while, on the side inside, the smooth and dense layer 1 allows cleaning with a high pressure water jet. It is possible to pierce this layer to anchor sealing elements, for example for the fixing of feeding or ventilation devices for the farm. Finally, layer 1 cannot be damaged by animals. This is very interesting especially if we are dealing with a pig farm, these animals tend to chew everything that is accessible to them.
A la figure 8 on a représenté l'extrémité haute du panneau. In Figure 8 there is shown the upper end of the panel.
Celle-ci est équipée d'un moyen facilitant la manutention du panneau, notament au moment de sa pose.It is equipped with a means facilitating the handling of the panel, in particular at the time of its installation.
I1 s'agit d'un organe d'accrochage et de suspension 13. Celui-ci est par exemple constitué d'un anneau métallique fixé à un élément transversal 11 reliant les deux armatures 10, 12. L'organe 13 vient à fleur du bord supérieur de la plaque 2, dans laquelle il est noyé. Ainsi, à l'aide d'un crochet de levage 14 suspendu à un câble 15, il est possible de saisir le panneau par l'intermédiaire de l'anneau 13, et de le soulever, comme cela est illustré par la flèche F à la figure 8, selon une direction purement verticale. I1 is an attachment and suspension member 13. This is for example constituted by a metal ring fixed to a transverse element 11 connecting the two frames 10, 12. The member 13 comes flush with the upper edge of the plate 2, in which it is embedded. Thus, with the aid of a lifting hook 14 suspended from a cable 15, it is possible to grasp the panel via the ring 13, and to lift it, as illustrated by the arrow F to Figure 8, in a purely vertical direction.
Ainsi, durant la manutention du panneau à l'aide d'un crochet 14 de forme adaptée, il se trouve à l'abri de chocs intempestifs dûs au crochet, et qui risqueraient de casser ou de fissurer les parties hautes des couches de béton 1 et 3. Thus, during the handling of the panel using a hook 14 of suitable shape, it is sheltered from untimely shocks due to the hook, and which would risk breaking or cracking the upper parts of the concrete layers 1 and 3.
Comme on le voit à la figure 9, les bords longitudinaux du panneau sont conformés pour présenter l'un une partie mâle 8 et l'autre une partie femelle 9. Ces parties sont réalisées dans le béton cellulaire 3 qui est venu couler à la périphérie de la plaque 2. Les parties mâle 8 et femelle 9 ont une section trapézoïdale. Les dimensions de la partie mâle sont nettement plus faibles que celles de la partie femelle, de sorte qu'après emboîtement il se forme un espace dans lequel on peut placer une ou plusieur barres de renforcement 90, qu'on relie en extrémité haute à l'armature de chaînage, après quoi on y coule un joint 91, par exemple un coulis de mortier (puis le chaînage 70 dont il a été fait état plus haut). As seen in Figure 9, the longitudinal edges of the panel are shaped to have one a male part 8 and the other a female part 9. These parts are made of aerated concrete 3 which has come to flow at the periphery of the plate 2. The male 8 and female 9 parts have a trapezoidal section. The dimensions of the male part are significantly smaller than those of the female part, so that after fitting there is formed a space in which one or more reinforcing bars 90 can be placed, which are connected at the top end to the 'chaining reinforcement, after which a joint 91 is poured into it, for example a mortar grout (then the chaining 70 which was mentioned above).
La figure 10 représente une liaison par emboîtement, similaire, mais réalisée dans un angle du bâtiment. A cet effet, le profil femelle 9' est disposé, non pas sur la tranche, mais sur la face interne du panneau. L'élément mâle 8' s'emboîte de manière similaire dans la partie femelle 9', ménageant un espace recevant un fer 90 et un joint 91. Figure 10 shows a similar interlocking connection, but made in a corner of the building. To this end, the female profile 9 'is arranged, not on the edge, but on the internal face of the panel. The male element 8 'is similarly fitted into the female part 9', providing a space receiving an iron 90 and a seal 91.
Comme déjà dit, les panneaux ont de préférence une hauteur correspondant à une hauteur d'étage (de l'ordre de 2,6 à 2,8 m par exemple). I1 est possible de choisir des panneaux de longueur très variable, par exemple dans une fourchette de 1,2 à 8 m. Ce choix dépend essentiellement des capacités du système de levage qui sera mis en oeuvre sur le chantier. As already said, the panels preferably have a height corresponding to a floor height (of the order of 2.6 to 2.8 m for example). It is possible to choose panels of very variable length, for example in a range of 1.2 to 8 m. This choice essentially depends on the capacities of the lifting system that will be implemented on the site.
La présence des fibres de verres dans le béton cellulaire constitutif de la couche 3, bien que n'étant pas indispensable, a pour effet de renforcer mécaniquement cette couche, de s'opposer au phénomène de retrait, et d'améliorer sa résistance à la fissuration. L'incorporation dans le béton cellulaire à la fois d'une substance hydrofuge et d'un agent émulsifiant, bien que ces deux constituants aient a priori une incompatibilité physico-chimique, va améliorer l'enrobage des billes de verre au sein du béton, tout en allégeant celui-ci et en en améliorant la résistance mécanique. The presence of glass fibers in the cellular concrete constituting layer 3, although not essential, has the effect of mechanically reinforcing this layer, of opposing the phenomenon of shrinkage, and of improving its resistance to cracking. The incorporation in cellular concrete of both a water-repellent substance and an emulsifying agent, although these two constituents have a priori a physico-chemical incompatibility, will improve the coating of the glass beads within the concrete, while reducing it and improving its mechanical resistance.
Il est possible de prévoir dans certains panneaux, au moment de la construction, les ouvertures nécessaires correspondant notamment aux futures portes et fenêtres du bâtiment. Pour cela il suffit de placer dans le moule des inserts amovibles appropriés et de donner aux armatures une configuration ad hoc. It is possible to provide in certain panels, at the time of construction, the necessary openings corresponding in particular to the future doors and windows of the building. To do this, simply place appropriate removable inserts in the mold and give the fittings an ad hoc configuration.
Claims (11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9213723A FR2697858B1 (en) | 1992-11-10 | 1992-11-10 | Method for manufacturing a three-layer sandwich type construction panel and panel obtained by implementing this method. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9213723A FR2697858B1 (en) | 1992-11-10 | 1992-11-10 | Method for manufacturing a three-layer sandwich type construction panel and panel obtained by implementing this method. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2697858A1 true FR2697858A1 (en) | 1994-05-13 |
| FR2697858B1 FR2697858B1 (en) | 1995-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9213723A Expired - Fee Related FR2697858B1 (en) | 1992-11-10 | 1992-11-10 | Method for manufacturing a three-layer sandwich type construction panel and panel obtained by implementing this method. |
Country Status (1)
| Country | Link |
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| FR (1) | FR2697858B1 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19538536A1 (en) * | 1995-10-17 | 1997-04-24 | Dennert Kg Veit | Prefabricated condensation flue for heating system with low flue gas temperature |
| DE19837170A1 (en) * | 1998-08-17 | 2000-02-24 | Dennert Kg Veit | Hydrophobic mineral insulation board and process for its production |
| EP0955421A3 (en) * | 1998-05-06 | 2001-08-08 | DLC S.r.L. | Thermal cut-off panel with a continuous insulation, and its production process |
| DE10147409A1 (en) * | 2001-09-26 | 2003-04-17 | Hochtief Fertigteilbau Gmbh | Heat-insulating, load-bearing construction element for buildings comprises a multilayer structure having an outer shell of load-bearing material, an inner shell of load-bearing material, and an insulating layer arranged in between |
| WO2007042050A1 (en) * | 2005-10-10 | 2007-04-19 | Nielsen Bjarne Oerum | Method and foundation system for the transfer and spreading of load from a building structure onto stable layers |
| CN101016759B (en) * | 2007-01-12 | 2010-09-08 | 杨建平 | Fiver cement board grouting wall and construction method therefor |
| WO2011135137A1 (en) * | 2010-04-27 | 2011-11-03 | Secin Asociados, S.L. | Method for producing lightweight reinforced concrete slabs having an exposed finish on the lower face thereof |
| ITPN20110010A1 (en) * | 2011-02-28 | 2012-08-29 | Pontarolo Engineering Spa | PLANT AND PROCEDURE FOR THE CONSTRUCTION OF SELF-SUPPORTING CONSTRUCTION MODULES SUITABLE FOR CONSTRUCTION OF REINFORCED CONCRETE FLOORS. |
| EP2397616A3 (en) * | 2010-06-15 | 2014-01-22 | Microtherm N.v. | Composite thermal insulation material |
| WO2018024874A1 (en) * | 2016-08-04 | 2018-02-08 | Alfred Redlberger | Method for producing prefabricated components for buildings |
| CN110528751A (en) * | 2019-09-06 | 2019-12-03 | 成都城投建筑科技投资管理集团有限公司 | A kind of production technology of heat insulating and sound insulating laminated floor slab |
| CN111021627A (en) * | 2019-12-23 | 2020-04-17 | 成都建工装饰装修有限公司 | Combined assembly type external wall |
| CN114261015A (en) * | 2021-12-27 | 2022-04-01 | 安徽富煌建筑科技有限公司 | EPS module concrete frame infilled wall construction process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105822007A (en) * | 2015-01-05 | 2016-08-03 | 任丘市永基建筑安装工程有限公司 | Novel precast concrete panel construction method |
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| WO1988008912A1 (en) * | 1987-05-12 | 1988-11-17 | Paul Lemasson | Prefabricated panel for the construction particularly of burial vaults |
| DE3803214A1 (en) * | 1988-02-04 | 1989-08-17 | Siegfried Dreizler | Device for connecting the individual layers of a multilayered concrete slab |
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| DE869767C (en) * | 1951-06-06 | 1953-03-09 | Erich Mueller | Fiber board |
| DE2756820A1 (en) * | 1976-12-27 | 1978-06-29 | Maso Therm Corp | MIXED MATERIAL COMPONENT ELEMENT AND PROCESS FOR ITS MANUFACTURING |
| EP0066979A1 (en) * | 1981-05-22 | 1982-12-15 | Robert H. Nagy | Concrete sandwich panel |
| WO1988008912A1 (en) * | 1987-05-12 | 1988-11-17 | Paul Lemasson | Prefabricated panel for the construction particularly of burial vaults |
| DE3803214A1 (en) * | 1988-02-04 | 1989-08-17 | Siegfried Dreizler | Device for connecting the individual layers of a multilayered concrete slab |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19538536A1 (en) * | 1995-10-17 | 1997-04-24 | Dennert Kg Veit | Prefabricated condensation flue for heating system with low flue gas temperature |
| DE19538536B4 (en) * | 1995-10-17 | 2004-11-25 | Veit Dennert Kg | Ready-to-use condensation chimney, especially for heating systems with low exhaust gas temperatures |
| EP0955421A3 (en) * | 1998-05-06 | 2001-08-08 | DLC S.r.L. | Thermal cut-off panel with a continuous insulation, and its production process |
| DE19837170A1 (en) * | 1998-08-17 | 2000-02-24 | Dennert Kg Veit | Hydrophobic mineral insulation board and process for its production |
| DE10147409A1 (en) * | 2001-09-26 | 2003-04-17 | Hochtief Fertigteilbau Gmbh | Heat-insulating, load-bearing construction element for buildings comprises a multilayer structure having an outer shell of load-bearing material, an inner shell of load-bearing material, and an insulating layer arranged in between |
| DE10147409B4 (en) * | 2001-09-26 | 2011-01-20 | Hochtief Fertigteilbau Gmbh | Heat-insulating, load-bearing component and method for its production |
| WO2007042050A1 (en) * | 2005-10-10 | 2007-04-19 | Nielsen Bjarne Oerum | Method and foundation system for the transfer and spreading of load from a building structure onto stable layers |
| CN101016759B (en) * | 2007-01-12 | 2010-09-08 | 杨建平 | Fiver cement board grouting wall and construction method therefor |
| WO2011135137A1 (en) * | 2010-04-27 | 2011-11-03 | Secin Asociados, S.L. | Method for producing lightweight reinforced concrete slabs having an exposed finish on the lower face thereof |
| EP2397616A3 (en) * | 2010-06-15 | 2014-01-22 | Microtherm N.v. | Composite thermal insulation material |
| ITPN20110010A1 (en) * | 2011-02-28 | 2012-08-29 | Pontarolo Engineering Spa | PLANT AND PROCEDURE FOR THE CONSTRUCTION OF SELF-SUPPORTING CONSTRUCTION MODULES SUITABLE FOR CONSTRUCTION OF REINFORCED CONCRETE FLOORS. |
| WO2012117282A1 (en) * | 2011-02-28 | 2012-09-07 | Pontarolo Engineering S.P.A. | Plant and method for the realization of self-supporting modules for the construction of reinforced-concrete slabs |
| WO2018024874A1 (en) * | 2016-08-04 | 2018-02-08 | Alfred Redlberger | Method for producing prefabricated components for buildings |
| CN110528751A (en) * | 2019-09-06 | 2019-12-03 | 成都城投建筑科技投资管理集团有限公司 | A kind of production technology of heat insulating and sound insulating laminated floor slab |
| CN111021627A (en) * | 2019-12-23 | 2020-04-17 | 成都建工装饰装修有限公司 | Combined assembly type external wall |
| CN114261015A (en) * | 2021-12-27 | 2022-04-01 | 安徽富煌建筑科技有限公司 | EPS module concrete frame infilled wall construction process |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2697858B1 (en) | 1995-01-27 |
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