EP3042003B1 - Bauelement mit ersten und zweiten deckschichten sowie zwischenkern aus zwei unterschiedlichen materialien - Google Patents

Bauelement mit ersten und zweiten deckschichten sowie zwischenkern aus zwei unterschiedlichen materialien Download PDF

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Publication number
EP3042003B1
EP3042003B1 EP14841574.8A EP14841574A EP3042003B1 EP 3042003 B1 EP3042003 B1 EP 3042003B1 EP 14841574 A EP14841574 A EP 14841574A EP 3042003 B1 EP3042003 B1 EP 3042003B1
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EP
European Patent Office
Prior art keywords
building element
core material
fire
resistant
cover layer
Prior art date
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Application number
EP14841574.8A
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English (en)
French (fr)
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EP3042003A1 (de
EP3042003A4 (de
Inventor
Jonny HALONEN
Lars Ohlsson
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Panwich AB
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Panwich AB
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Publication of EP3042003A4 publication Critical patent/EP3042003A4/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/88—Insulating elements for both heat and sound
    • E04B1/90—Insulating elements for both heat and sound slab-shaped
    • 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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • 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
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/243—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 one at least of the material being insulating
    • 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
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/246—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 combinations of materials fully covered by E04C2/16 and E04C2/20
    • 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
    • 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
    • E04C2/292—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 sheet metal
    • 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
    • E04C2/296—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 non-metallic or unspecified sheet-material

Definitions

  • the present invention relates to a building element which comprises at least a first cover layer and a second cover layer, which are connected to opposite sides of an intermediate core consisting of at least a first core material and a second core material.
  • the building element can be used in load-bearing floor structures or walls in house construction, preferably in construction of smaller houses.
  • sandwich elements consisting of a core of polystyrene or polyurethane foam which has been provided with cover layers of metal sheeting on one or both sides by means of gluing.
  • a disadvantage of this type of building elements is that they may rapidly lose their load-bearing ability if they are exposed to high temperatures in the event of fire, since the metal sheets start to buckle and the core material softens or even turns into gaseous state so that the sandwich structure collapses.
  • a building element intended to solve the above-mentioned problem of poor fire resistance is described in SE 450 020 .
  • This building element comprises a board-shaped insulating core of polystyrene or similar material, and two thin steel sheets covering the side surfaces of the insulation board.
  • An additional board in the form of a wood fibre or gypsum board, or the like, is disposed between at least one of the metal sheets and the insulation board.
  • the additional board is intended to maintain the load-bearing ability of the element for a certain period of time when the element is subjected to external heat, and to prevent the formation of gaseous phase of the core material by insulating the board from the external heat supply and absorbing latent heat therefrom. This effect is achieved in that the board is partially carbonized when a wood fibre board is used, and by means of vaporization of crystal water when a gypsum board is used.
  • EP 1 253 257 describes a method for manufacturing a surface element, for a wall or a floor or a roof, having another type of sandwich structure.
  • the described method is claimed to make production of surface elements of different sizes easier and cheaper and comprises that a plurality of sandwich plates are produced and wherein to produce a sandwich plate at least one insulating plate is placed on a lower cover plate and wherein an upper cover plate is placed on the insulating plate, wherein the individual sandwich plates are joined to one another by their lateral edges to a sandwich web, after which the sandwich web is cut up or sawn up into the individual surface elements.
  • the cover plates in the surface elements manufactured according to EP 1 253 257 can be selected from the group gypsum panels, wood chip panels, vermiculite panels, whereas panels of expanded plastic, preferably expanded polystyrene, are used as insulating panels.
  • the cover plates can be joined to the insulating plates by means of an adhesive, which can be a polyurethane adhesive, and the insulating plates can be separated from each other by means of reinforcing ribs, preferably consisting of wood.
  • a first object of the present invention is therefore to provide a building element having an improved sandwich structure, which is bearing and not only self-supporting and which gives the building element sufficient strength and load-bearing ability to be usable in both load-bearing floor structures and bearing walls without any additional support structure, at the same time as the building element minimizes the risk of structure-borne sound propagation and meets the high demands for sound insulating ability and also heat insulating ability placed on the construction of modern houses.
  • a building element comprising at least a first cover layer and a second cover layer, which are connected to opposite sides of an intermediate core consisting of at least a first core material and a second core material, wherein the first and/or the second cover layer comprises one or several stiffening layers having a thickness of at least 5 mm and a modulus of elasticity which is higher than 3000 MPa and higher than the moduli of elasticity of said core materials, wherein the first core material has a higher modulus of elasticity than the modulus of elasticity of the second core material, which has a modulus of elasticity lower than 10 MPa, wherein the intermediate core is constituted by one or several edge pieces of the first core material surrounding one or several intermediate pieces of the second core material, wherein said one or several intermediate pieces of the second core material covers/cover at least 60 % of the area delimited by said one or several edge pieces of the first core material, wherein the first and the second cover layer, respectively, exhibit outer edge regions which are connected in a shear
  • a second object of the present invention is to provide a building element which reduces the risk of a possible fire getting hold of the building element and spreading between different spaces in a building.
  • This second object is achieved by means of a building element according to claim 3, where at least the outwardly facing side of one of or both the cover layers in the building element exhibits a fire-resistant layer which has better fire resistance than the other material layers in said cover layer and/or better fire resistance than at least one of said core materials.
  • a third object of the present invention is to provide a building element which reduces the risk of the sandwich structure of the element collapsing due to the load-bearing material in the core softening, turning into gaseous state, or igniting during a fire.
  • This third object is achieved by means of a building element according to claim 8, where the first core material is a foam material with high fire resistance.
  • a fourth object of the present invention is to provide a building element which reduces the risk of sound and heat insulating material in the core igniting during a fire.
  • This fourth object is achieved by means of a building element according to claim 11, where the second core material consists of one or several fire-resistant or fire-inhibiting materials selected from the group consisting of glass wool, rock wool, or cellulose wool treated with flame-inhibiting agents.
  • a fifth object of the present invention is to provide a building element whose sandwich structure is capable of maintaining its load-bearing ability for a sufficiently long period of time during a fire.
  • This fifth object is achieved by means of a building element according to claim 12, where the fire-resistant adhesive providing the shear-resistant connection between the cover layers and the core material and/or between boards comprised in the cover layers is a fire-resistant adhesive with a shear strength of at least 5 MPa at 110 °C.
  • a sixth object of the present invention is to provide a building element having a sandwich structure which can be manufactured by a simple manufacturing process from easily available materials and at a relatively low total cost, but which still has sufficient strength and load-bearing ability to be used in load-bearing floor structures and walls and where it can provide very good sound insulating ability and small risk of structure-borne sound propagation, high heat insulating ability and good fire resistance.
  • both the first and the second cover layer consist of double fibre-reinforced gypsum boards, where the first core material is provided in the form of ribs of a PET foam, where the second core material is provided in the form of mineral wool boards, and where the fibre-reinforced gypsum boards and the ribs of PET foam are glued together by a fire-resistant polyurethane adhesive containing at least 30 % by weight of chalk.
  • Figure 1 is a schematic perspective view of a building element according to a preferred embodiment of the invention
  • Figure 2 is a schematic perspective view of cover layers and pieces of first and second core material, respectively, which are to be glued together in order to form the building element
  • Figure 3 is a schematic plan view illustrating the positioning of the core materials inside the core
  • Figure 4 is a cut sectional view, as seen in the longitudinal direction of the building element, in which it can be seen that the cover layers outside the core consist of two stiffening layers of board material glued together in the shown embodiment.
  • the building element 10 comprises at least a first cover layer 11 and a second cover layer 19, which are connected to opposite sides of an intermediate core consisting of at least a first core material 12, 13, 14, 15, 16 and a second core material 17, 18.
  • the first 11 and/or the second cover layer 19 comprises one or several stiffening layers 11', 11"; 19'; 19" having a thickness of at least 5 mm and a modulus of elasticity which is higher than 3000 MPa and higher than the moduli of elasticity of the core materials 12, 13, 14, 15, 16; 17, 18.
  • the first core material 12, 13, 14, 15, 16 has a higher modulus of elasticity than the modulus of elasticity of the second core material 17, 18, which has a modulus of elasticity lower than 10 MPa.
  • the first core material has a modulus of elasticity between the moduli of elasticity of the second core material and of the stiffening layers, respectively, and is intended to interact with the stiffening layers in order to give the building element high shear strength and load-bearing ability
  • the second core material has a very low modulus of elasticity and is intended to give the building element good sound insulating and heat insulating ability.
  • the intermediate core is constituted by one or several edge pieces 12, 13, 15, 16 of the first core material surrounding one or several intermediate pieces 17, 18 of the second core material, wherein said one or several intermediate pieces 17, 18 of the second core material cover at least 60 % of the area delimited by said one or several edge pieces 12, 13, 15, 16 of the first core material.
  • the first 11 and the second cover layer 19 exhibit outer edge regions 20, 21, 22, 23; 24, 25, 26, 27 which are connected in a shear-resistant manner to opposite sides of said one or several edge pieces 12, 13, 15, 16 of the first core material by means of a fire-resistant adhesive (not shown in the figures).
  • the fire-resistant adhesive covers at least 5 % of the area of the inwardly facing surface of the outer edge regions 20, 21, 22, 23; 24, 25, 26, 27 of the respective cover layer 11, 19 in order to provide a shear-resistant connection where the first 11 and second cover layer 19 are fixed at a distance from each other of at least 70 mm via the intermediate first core material 12, 13, 15, 16 which serves as a spacing element.
  • the first core material has, of course, to cover more than said 5 %.
  • the fire-resistant adhesive covers at least 5 % of said area to enable the sandwich structure of the building element to maintain its load-bearing ability for a sufficiently long period time during a fire, and that a distance between the cover layers of at least 70 mm is required in order to give the sandwich structure of the building element sufficiently high shear strength and load-bearing ability for the intended use.
  • the building element 10 preferably comprises at least one, relative to said edge piece(s) 12, 13, 15, 16 and said cover layers 11, 19, inner piece 14 of the first core material which is disposed between at least two of said intermediate pieces 17, 18 of the second core material, as is evident from Figure 2 , wherein said first 11 and said second cover layers 19, respectively, further exhibit, relative to said outer edge regions 20, 21, 22, 23; 24, 25, 26, 27, inner regions 28; 29 which are connected in a shear-resistant manner to opposite sides of said at least one intermediate piece 14 of the first core material by means of said fire-resistant adhesive.
  • pieces or ribs of the first core material are preferably provided along the edges of the entire building element and inside the core, e.g. with a c-c distance of 600 mm, but also around any recesses in the building element for windows, doors or other purposes.
  • At least the outwardly facing side of one of or both the cover layers 11, 19 in the building element 10 exhibits a fire-resistant layer 11', 19' which has better fire resistance than the other material layers in said cover layer and/or better fire resistance than at least one of said core materials 12, 13, 14, 15, 16.
  • a fire-resistant layer 11', 19' which has better fire resistance than the other material layers in said cover layer and/or better fire resistance than at least one of said core materials 12, 13, 14, 15, 16.
  • the first 11 and/or second cover layer 19 advantageously consist(s) of several boards 11', 11"; 19', 19" of identical or different board materials glued to each other in a shear-resistant manner.
  • Such a design provides an opportunity to optimize the characteristics of the building element for different applications, and to use cheaper board materials in one of or both the cover layers when the building element is intended for less demanding applications.
  • the outwardly facing side 11'; 19' of the first 11 and/or second cover layer 19 in the building element 10 consists of a board material selected from the group consisting of gypsum boards, fibre-reinforced gypsum boards and fibre cement boards. Such a choice of material gives the building element good fire resistance.
  • the outwardly facing side 11'; 19' of the first 11 and/or second cover layer 19 in the building element 10 consists of a board material containing only inorganic matter. Such a choice of material reduces the risk of mould growth if the building element is to be used in humid spaces.
  • the inwardly facing side 11"; 19" of the first 11 and/or second cover layer 19 in the building element 10 consists of a board material selected from the group consisting of gypsum boards, fibre-reinforced gypsum boards, fibre cement boards, wood fibre boards or plywood.
  • This embodiment makes it possible to manufacture building elements with different characteristics and material costs using easily available board materials.
  • the first core material 12, 13, 14, 15, 16 is a foam material with high fire resistance.
  • the first core material 12, 13, 14, 15, 16 preferably consists of one or several materials selected from the group consisting of PET foams, PVC foams and glass foams. Such materials are commercially available.
  • the second core material 17, 18 preferably consists of one or several porous materials of loose or loosely bonded organic and/or inorganic fibres.
  • the second core material 17, 18 consists of one or several fire-resistant or fire-inhibiting materials selected from the group consisting of glass wool, rock wool, or cellulose wool treated with flame-inhibiting agents. Such a choice of material reduces the risk of the sound and heat insulating material in the core igniting during a fire.
  • the fire-resistant adhesive providing the shear-resistant connection between the cover layers 11; 19 and the core material 12, 13, 14, 15, 16 and/or between boards 11', 11"; 19', 19" comprised in the cover layers is a fire-resistant adhesive with a shear strength of at least 5 MPa at 110 °C.
  • a fire-resistant adhesive with a shear strength of at least 5 MPa at 110 °C.
  • the fire-resistant adhesive is a fire-resistant adhesive which retains a shear strength of at least 2 MPa up to at least 130 °C.
  • the fire-resistant adhesive providing the shear-resistant connection between the cover layers 11; 19 and the core material 12, 13, 14, 15, 16 and/or between boards 11', 11"; 19', 19" comprised in the cover layers is preferably a fire-resistant adhesive selected from the group consisting of polyurethane adhesives with flame-retarding filler and cement-based adhesives.
  • the fire-resistant adhesive is a fire-resistant polyurethane adhesive containing at least 30 % by weight of flame-retarding filler, ever more advantageously at least 50 % by weight of flame-retarding filler.
  • the flame-retarding filler is preferably calcium carbonate, particularly advantageously in the form of chalk, or calcium sulphate in the form of gypsum which has a fire-retarding ability owing to crystal water, but also other fire-retarding fillers are conceivable, such as talc, sand, etc.
  • the first 11 cover layer, the intermediate core material 12, 13, 14, 15, 16, the second cover layer 19, and the intermediate shear-resistant, fire-resistant adhesive layers give the building element 10 a total thickness of at least 100 mm, for use as a wall element.
  • the first 11 cover layer, the intermediate core material 12, 13, 14, 15, 16, the second cover layer 19, and the intermediate shear-resistant, fire-resistant adhesive layers give the building element 10 a total thickness of at least 150 mm, for use as a floor structure element.
  • both the first 11 and the second cover layer 19 consist of double fibre-reinforced gypsum boards 11', 11"; 19', 19".
  • the first core material is provided in the form of ribs 12, 13, 14, 15, 16 of a PET foam
  • the second core material is provided in the form of mineral wool boards 17, 18.
  • the fibre-reinforced gypsum boards 11', 11"; 19', 19" and the ribs 12, 13, 14, 15, 16 of PET foam are glued together by a fire-resistant polyurethane adhesive containing at least 30 % by weight of chalk.
  • a building element has a sandwich structure which can be manufactured by a simple manufacturing process with only a few process steps.
  • the process can comprise cutting-up of cover layers and pieces of core material starting from commercially available board materials and foam materials, respectively, laying-out of first cover layer, application of fire-resistant adhesive, laying-out of pieces of first and second core materials, respectively, in a desired pattern, adhesive application, application of second cover layer, drying/curing of the fire-resistant adhesive, and possibly trimming or other finishing of the building element.
  • the process steps may be substantially manual or automated to desired degree.
  • the sandwich structure according to the invention consists of easily available materials, which together result in a relatively low total cost, but still give the building element a sufficient strength and load-bearing ability to be used in load-bearing floor structures or walls, and where it can provide very good sound insulating ability and small risk of structure-borne sound propagation, high heat insulating ability, and good fire resistance.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)

Claims (19)

  1. Bauelement (10), das mindestens eine erste Deckschicht (11) und eine zweite Deckschicht (19) umfasst, die mit gegenüberliegenden Seiten eines Zwischenkerns verbunden sind, der aus mindestens einem ersten Kernmaterial (12, 13, 14, 15, 16) und einem zweiten Kernmaterial (17, 18) besteht, wobei
    die erste (11) und/oder die zweite Deckschicht (19) eine oder mehrere Versteifungsschichten (11', 11"; 19'; 19") mit einer Dicke von mindestens 5 mm und einem Elastizitätsmodul umfasst bzw. umfassen, der über 3000 MPa beträgt und höher ist als die Elastizitätsmoduln der Kernmaterialien (12, 13, 14, 15, 16; 17, 18),
    das erste Kernmaterial (12, 13, 14, 15, 16) ein höheres Elastizitätsmodul als das Elastizitätsmodul des zweiten Kernmaterials (17, 18) aufweist, das ein Elastizitätsmodul von weniger als 10 MPa aufweist,
    der Zwischenkern von einem oder mehreren Randteilen (12, 13, 15, 16) aus dem ersten Kernmaterial gebildet ist, die ein oder mehrere Zwischenteile (17, 18) aus dem zweiten Kernmaterial umgeben, wobei das eine oder die mehreren Zwischenteile (17, 18) aus dem zweiten Kernmaterial mindestens 60 % der Fläche bedecken, die von dem einen oder den mehreren Randteilen (12, 13, 15, 16) aus dem ersten Kernmaterial begrenzt ist,
    die erste (11) beziehungsweise die zweite Deckschicht (19) Außenrandbereiche (20, 21, 22, 23; 24, 25, 26, 27) aufweisen, die schubfest mit gegenüberliegenden Seiten des einen oder der mehreren Randteile (12, 13, 15, 16) aus dem ersten Kernmaterial über einen feuerfesten Klebstoff verbunden sind, und
    der feuerfeste Klebstoff mindestens 5 % der Fläche der nach innen weisenden Fläche der Außenrandbereiche (20, 21, 22, 23; 24, 25, 26, 27) der jeweiligen Deckschicht (11, 19) bedeckt, damit eine schubfeste Verbindung dort vorgesehen ist, wo die erste (11) und die zweite Deckschicht (19) in einem Abstand voneinander von mindestens 70 mm über das erste Zwischenkernmaterial (12, 13, 15, 16) fixiert sind, das als Abstandselement dient.
  2. Bauelement (10) nach Anspruch 1,
    dadurch gekennzeichnet, dass das Bauelement (10) ferner mindestens ein, bezogen auf das bzw. die Randteil(e) (12, 13, 15, 16) und die Deckschichten (11, 19), inneres Teil (14) aus dem ersten Kernmaterial umfasst, das zwischen mindestens zwei der Zwischenteile (17, 18) aus dem zweiten Kernmaterial angeordnet ist, und dass die erste (11) beziehungsweise die zweite Deckschicht (19) ferner bezogen auf die Außenrandbereiche (20, 21, 22, 23; 24, 25, 26, 27) innere Bereiche (28; 29) aufweisen, die schubfest mit gegenüberliegenden Seiten des mindestens einen Zwischenteils (14) aus dem ersten Kernmaterial über den feuerfesten Klebstoff verbunden sind.
  3. Bauelement (10) nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, dass zumindest die nach außen weisenden Seite von einer Deckschicht oder beiden Deckschichten (11, 19) im Bauelement (10) eine feuerfeste Schicht (11', 19') aufweist, die eine bessere Feuerbeständigkeit aufweist als die anderen Materialschichten in der Deckschicht und/oder eine bessere Feuerbeständigkeit als zumindest eins der Kernmaterialien (12, 13, 14, 15, 16).
  4. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die erste (11) und/oder zweite Deckschicht (19) aus mehreren Platten (11', 11"; 19', 19") aus identischem oder unterschiedlichem Plattenmaterial besteht bzw. bestehen, die schubfest aneinander geklebt sind.
  5. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die nach außen weisende Seite (11'; 19') der ersten (11) und/oder zweiten Deckschicht (19) in dem Bauelement (10) aus einem Plattenmaterial besteht, das aus der Gruppe bestehend aus Gipsplatten, faserverstärkten Gipsplatten und Faserzementplatten ausgewählt ist.
  6. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die nach außen weisende Seite (11'; 19') der ersten (11) und/oder zweiten Deckschicht (19) in dem Bauelement (10) aus einem Plattenmaterial besteht, das lediglich anorganisches Material enthält.
  7. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die nach innen weisende Seite (11"; 19") der ersten (11) und/oder zweiten Deckschicht (19) in dem Bauelement (10) aus einem Plattenmaterial besteht, das aus der Gruppe bestehend aus Gipsplatten, faserverstärkten Gipsplatten, Faserzementplatten, Holzfaserplatten oder Sperrholz ausgewählt ist.
  8. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das erste Kernmaterial (12, 13, 14, 15, 16) ein Schaumstoff mit hoher Feuerbeständigkeit ist.
  9. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das erste Kernmaterial (12, 13, 14, 15, 16) aus einem oder mehreren Materialien besteht, die aus der Gruppe bestehend aus PET-Schäumen, PVC-Schäumen und Glasschäumen ausgewählt sind.
  10. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das zweite Kernmaterial (17, 18) aus einem oder mehreren porösen Materialien aus losen oder lose gebundenen organischen und/oder anorganischen Fasern besteht.
  11. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das zweite Kernmaterial (17, 18) aus einem oder mehreren feuerbeständigen oder feuerhemmenden Materialien besteht, die aus der Gruppe bestehend aus Glaswolle, Steinwolle oder Zellwolle ausgewählt sind, die mit flammwidrigen Mittel behandelt sind.
  12. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der feuerfeste Klebstoff, der für die schubfeste Verbindung zwischen den Deckschichten (11; 19) und dem Kernmaterial (12, 13, 14, 15, 16) und/oder zwischen Platten (11', 11"; 19', 19") sorgt, die in den Deckschichten enthalten sind, ein feuerfester Klebstoff mit einer Scherfestigkeit von mindestens 5 MPa bei 110 °C ist.
  13. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der feuerfeste Klebstoff, der für die schubfeste Verbindung zwischen den Deckschichten (11; 19) und dem Kernmaterial (12, 13, 14, 15, 16) und/oder zwischen Platten (11', 11"; 19', 19") sorgt, die in den Deckschichten enthalten sind, ein feuerfester Klebstoff ist, der eine Scherfestigkeit von mindestens 2 MPa bei bis zu mindestens 130 °C beibehält.
  14. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der feuerfeste Klebstoff, der für die schubfeste Verbindung zwischen den Deckschichten (11; 19) und dem Kernmaterial (12, 13, 14, 15, 16) und/oder zwischen Platten (11', 11"; 19', 19") sorgt, die in den Deckschichten enthalten sind, ein feuerfester Klebstoff ist, der aus der Gruppe bestehend aus Polyurethanklebstoffen mit einem flammhemmenden Füllstoff und Klebstoffen auf Basis von Zement ausgewählt ist.
  15. Bauelement (10) nach Anspruch 14,
    dadurch gekennzeichnet, dass der feuerfeste Klebstoff ein Polyurethan-Klebstoff ist, der mindestens 30 Gewichts-% flammhemmenden Füllstoff enthält.
  16. Bauelement (10) nach Anspruch 14 oder 15,
    dadurch gekennzeichnet, dass der feuerfeste Klebstoff ein Polyurethan-Klebstoff ist, der mindestens 50 Gewichts-% flammhemmenden Füllstoff enthält, vorzugsweise in Form von Kalk.
  17. Bauelement (10) nach einem der Ansprüche 1 bis 16,
    dadurch gekennzeichnet, dass die erste Deckschicht (11), das Zwischenkernmaterial (12, 13, 14, 15, 16), die zweite Deckschicht (19) und die schubfesten Zwischenschichten aus feuerfestem Klebstoff dem Bauelement (10) eine Gesamtdicke von mindestens 100 mm zur Verwendung als Wandelement verleihen.
  18. Bauelement (10) nach einem der Ansprüche 1 bis 16,
    dadurch gekennzeichnet, dass die erste Deckschicht (11), das Zwischenkernmaterial (12, 13, 14, 15, 16), die zweite Deckschicht (19) und die schubfesten Zwischenschichten aus feuerfestem Klebstoff dem Bauelement (10) eine Gesamtdicke von mindestens 150 mm zur Verwendung als Bodenkonstruktionselement verleihen.
  19. Bauelement (10) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet,
    dass sowohl die erste (11) als auch die zweite Deckschicht (19) aus doppelt faserverstärkten Gipsplatten (11', 11"; 19', 19") bestehen,
    dass das erste Kernmaterial in Form von Rippen (12, 13, 14, 15, 16) aus einem PET-Schaum vorgesehen ist,
    dass das zweite Kernmaterial in Form von Mineralwolleplatten (17, 18) vorgesehen ist, und
    dass die faserverstärkten Gipsplatten (11', 11"; 19', 19") und die Rippen (12, 13, 14, 15, 16) aus PET-Schaum über einen feuerfesten Polyurethan-Klebstoff miteinander verklebt sind, der mindestens 30 Gewichts-% Kalk enthält.
EP14841574.8A 2013-09-06 2014-09-01 Bauelement mit ersten und zweiten deckschichten sowie zwischenkern aus zwei unterschiedlichen materialien Active EP3042003B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1300583A SE537477C2 (sv) 2013-09-06 2013-09-06 Byggelement med första och andra täckskikt och mellanliggande kärna
PCT/SE2014/000109 WO2015034409A1 (en) 2013-09-06 2014-09-01 Building element with first and second cover layers and intermediate core

Publications (3)

Publication Number Publication Date
EP3042003A1 EP3042003A1 (de) 2016-07-13
EP3042003A4 EP3042003A4 (de) 2016-08-24
EP3042003B1 true EP3042003B1 (de) 2018-02-07

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EP14841574.8A Active EP3042003B1 (de) 2013-09-06 2014-09-01 Bauelement mit ersten und zweiten deckschichten sowie zwischenkern aus zwei unterschiedlichen materialien

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Country Link
EP (1) EP3042003B1 (de)
DK (1) DK3042003T3 (de)
NO (1) NO3042003T3 (de)
SE (1) SE537477C2 (de)
WO (1) WO2015034409A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI128853B (fi) * 2019-07-05 2021-01-29 Taipale Johanna Rakennuselementti
NL2027647B1 (nl) * 2021-02-25 2022-09-20 Van Mensvoort Beheer B V Isolatiepaneel voor akoestische en/of thermische isolatie, samenstel, en werkwijze
US20240102284A1 (en) * 2022-09-28 2024-03-28 Karlta Trading Inc. A Building Panel Assembly

Citations (1)

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Publication number Priority date Publication date Assignee Title
GB2110740A (en) * 1981-12-04 1983-06-22 Francon & Cie Sa Thermally insulating panel

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FR2044626A1 (en) * 1969-03-20 1971-02-26 Matra Engins Composite building panel with an incombust - ible foam core between tough flame resistant
DE2729232A1 (de) * 1977-06-29 1979-01-11 Ihlefeld Karl Helmut Unbrennbares tragfaehiges leichtbau- element mit daemmstoffschicht ohne waermebruecken
DE3328092A1 (de) * 1983-06-16 1984-12-20 Eugen Christoph Schleitheim Gonon Platte zur isolierung von daechern, boeden, wandflaechen oder dgl.
DE4122964C2 (de) * 1991-07-11 1993-12-09 Leif Thomsen Feuerwiderstandsfähige Platte
DE29513784U1 (de) * 1995-08-28 1995-10-26 PURschaum und Holz GmbH, 09648 Mittweida Verbundplattenelement
US6182407B1 (en) * 1998-12-24 2001-02-06 Johns Manville International, Inc. Gypsum board/intumescent material fire barrier wall
AU7998100A (en) * 1999-10-08 2001-04-23 Milwaukee Composites, Inc. Panels utilizing a precured reinforced core and method of manufacturing the same
GB2399538B (en) * 2003-03-18 2006-02-15 Intelligent Engineering Improved structural sandwich plate members
WO2007014340A2 (en) * 2005-07-27 2007-02-01 Milwaukee Composites, Inc. Fire retardant panel apparatus and method of making and using same
MX2013007298A (es) * 2010-12-21 2014-02-27 Milwaukee Composites Inc Panel con capa con calefacción.

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GB2110740A (en) * 1981-12-04 1983-06-22 Francon & Cie Sa Thermally insulating panel

Also Published As

Publication number Publication date
EP3042003A1 (de) 2016-07-13
SE1300583A1 (sv) 2015-03-07
EP3042003A4 (de) 2016-08-24
DK3042003T3 (en) 2018-05-22
NO3042003T3 (de) 2018-07-07
WO2015034409A1 (en) 2015-03-12
SE537477C2 (sv) 2015-05-12

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