EP4227472A1 - Groupe de matériaux de construction pour réaliser un revêtement de construction - Google Patents

Groupe de matériaux de construction pour réaliser un revêtement de construction Download PDF

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Publication number
EP4227472A1
EP4227472A1 EP23155508.7A EP23155508A EP4227472A1 EP 4227472 A1 EP4227472 A1 EP 4227472A1 EP 23155508 A EP23155508 A EP 23155508A EP 4227472 A1 EP4227472 A1 EP 4227472A1
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EP
European Patent Office
Prior art keywords
building
layer
sheet
abutting
materials group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP23155508.7A
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German (de)
English (en)
Inventor
Paolo Borgioni
Claudio Borgioni
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Individual
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Individual
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Publication date
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Publication of EP4227472A1 publication Critical patent/EP4227472A1/fr
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    • 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
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/08—Vaulted roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
    • E04B7/22—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/12—Roofs; Roof construction with regard to insulation formed in bays, e.g. sawtooth roofs
    • 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
    • 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
    • E04C2002/001—Mechanical features of panels
    • E04C2002/004—Panels with profiled edges, e.g. stepped, serrated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/358—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation with at least one of the layers being offset with respect to another layer

Definitions

  • the present invention relates to the technical sector of building groups for realising a building covering.
  • building support elements (8) and multi-layer building panels made of a composite material, also known as "sandwich panels", which are typically used for coverings or industrial roofs.
  • These known multi-layer building panels can be planar (see figures 1-2 ) or curved (see figures 3-9 ) and comprise; three layers, solidly constrained to one another, of which: a first layer (3) comprises a first sheet; a second layer (4), which is thermally insulating, which is arranged in contact with the a first layer (3); and a third layer (5), which comprises a second sheet (151) made of a second building material.
  • the third layer (5) is arranged in contact when the second layer (4) on an opposite side to the first layer (3), with respect to the second layer (4).
  • the multi-layer building panel (1) has: a first and a second coupling region (10, 11), also known as connecting regions (enclosed within the dashed terminal areas of figure 1 ) both terminal and destined to couple, restingly, respectively, with a first and a second support building element (8); and a covering region (12), arranged between the first coupling region and the second coupling region (10, 11), for superiorly closing the space comprised between the building support elements (8). See, for example, as illustrated in figure 1 .
  • a terminal structural element (6) is present in the coupling regions (10, 11) which element (6) joins the third layer (5) to the first layer (3) and laterally delimits the second layer (4).
  • the terminal structural element (6) is in a single body with the second sheet of the third layer (5) (see figure 5 ), but can also not be in a single body with the sheet of the third layer (5), (see figure 7 ).
  • suitable supports (16) can also be included which are interposed between the coupling portions and the wing element (7) (see figure 6 ).
  • the building support elements (8) can consist of building beams, winged building beams (8) comprising a wing element (7) (also known as a tile) arranged horizontal (see figure 4 ), or in a vertical wall which can be, in turn, borne by the wing element (7).
  • a known curved multi-layer building panel (2) has the first and the second coupling region (10, 11) resting, respectively, on a first and a second wing element (7) belonging to two horizontal and contiguous winged building beams (8).
  • a multi-layer building panel has a minimum inherent load-bearing capacity which does not depend on the fixing thereof but on the structural and shape characteristics thereof.
  • the multi-layer building panel When the multi-layer building panel is coupled resting on the two building support elements (8) but fixed to neither thereof, it has a load-bearing capacity equal to the minimum inherent load-bearing capacity thereof.
  • the load-bearing capacity of the fixed multi-layer building panel is greater than the minimum inherent load-bearing capacity and varies, according to the number of fixing points, up to a maximum load-bearing capacity.
  • the coupling portions (10, 11) must be fixed to the building support elements (8) by means of fixing elements (13) such as screws, dowels, bolts etc., both for obtaining a load-bearing capacity of the fixed multi-layer building panel greater than the minimum inherent load-bearing capacity of the not-fixed panel, and to prevent the weight of the panel and any loads bearing thereon (for example due to snow) from displacing the panel towards the longitudinal axis of a first winged building beam (8) on which the first coupling portion (10) is rested.
  • fixing elements (13) such as screws, dowels, bolts etc.
  • a horizontal component of the weight of the multi-layer building panel (1) is distributed on the fixing elements (13), as well as any loads bearing upon it, and this prevents the panel from displacing towards the longitudinal axis of the first winged building beam (8).
  • the fixing elements (13) prevent it from deforming by flattening, beneath the action of any bearing loads, causing a displacement of the first and the second coupling portion (or connecting portion) (10, 11) with respect to the longitudinal axis, respectively, of the first and second winged building beam (8).
  • the fixing elements (13) require at least the first coupling portion (10) to have through-holes in which to insert the fixing elements. Over time, the horizontal component of the weight of the panel, distributed on the fixing elements (13), tends to widen the holes. Over time this leads to a less effective sealing action and a greater possibility of infiltrations, internally of the room delimited by the multi-layer building panel (2), coming from the widened holes. Note also that curved multi-layer building panels (2) tend to flatten and this contributes to further widening the holes, further increasing the possibility of infiltrations.
  • the multi-layer building panel (2) has been rested on the two building support elements (8), it is not stabilised with respect to movements directed towards the longitudinal axis of the winged building beam (8), i.e. having a horizontal component, until the fixing elements are deployed. Therefore, the fixing operations take place while the multi-layer building panel (2) can still displace with the above movements. This can lead to a risk to the safety for the operatives working on the fixing, who are operating on the covering, and, generally speaking, in the worksite.
  • the fixing of the multi-layer building panel (1) to the first winged building beam (8) or to another support building element requires numerous fixing elements (13), with consequent repercussions on the fixing times and costs due to the necessary labour. There emerges, therefore, the need to reduce the possibility of infiltrations in a room superiorly delimited by a multi-layer building panel, and the risks, times and costs connected to the fixing of the multi-layer building panel.
  • the aim of the present invention consists in reducing and/or obviating the above-cited disadvantages with respect to the known building groups for realisation of a building covering comprising multi-layer building panels and building beams and in proposing solutions to the stated needs.
  • One of the main aims of the present invention consists in increasing, given same sizes and type of layers and fixing points, the load-bearing capacity of a multi-layer building panel of a building materials group comprising even two building beams, resting thereon.
  • a further main aim of the invention is to be able to increase the distance between two support building elements, i.e. the two building beams of a building materials group for realising a building covering, on which a single multi-layer building panel is to be rested.
  • An additional aim of the invention consists in reducing the possibility of infiltrations in a room superiorly delimited by a building covering comprising a building materials group having two building beams and at least a multi-layer building panel.
  • Another aim of the invention is to reduce the risks connected to the fixing of a multi-layer building panel of the building materials group to the building beams.
  • a further aim of the invention consists in reducing the times and costs for fixing a multi-layer building panel of a building materials group with the realising of a covering and in general the realising of the covering comprising it.
  • An additional aim of the present invention consists in providing a building materials group comprising two building beams and a multi-layer building panel, reliable and having relatively modest costs with respect to the objectives which are set.
  • aims and objectives outlined in the foregoing are according to a building materials group for realising a building covering, comprising two building beams, a multi-layer building panel, and according to independent claim 1.
  • the multi-layer building panel comprised in the building materials group for realising a building covering according to the invention once positioned with the first and the second coupling portion (which can also be defined connecting portions) on the first and second building beam as defined in independent claim 1, or resting on a wing element, respectively, of a first and a second winged building beam, enables distributing on the building beams or on the relative wing elements a first and a second horizontal component, opposite one another, of the weight thereof, and any loads positioned thereon (for example snow, operatives working on the fixing work thereof, etc.). Said loads must not, of course, exceed the load-bearing capacity of the positioned multi-layer building panel.
  • the multi-layer building panel does not require fixing elements for preventing displacements towards the beams. Therefore, according to the invention, the fixing of the multi-layer building panel requires, given a same surface covered thereby and other factors, an extremely low number of fixing elements which is limited to only the fixing elements necessary only for the purpose of preventing severe atmospheric events (strong wind) from being able to raise the multi-layer building panel from the relative support elements.
  • the times and costs relative to the fixing operations of the multi-layer building panel of the building materials group according to the invention are lower than the costs relative to the multi-layer building panel of known type comprised in a building materials group of known type.
  • the applicants estimate that, given an equal surface of the multi-layer building panel, the building materials group according to the invention might require, for the fixing in place of the multi-layer building panel, a number of fixing elements equal to or less than three-fifths of what is required by a known-type multi-layer building panel.
  • the fixing operations of a multi-layer building panel comprised in the building materials group of the invention to the relative beams are more secure with respect to the those of the building materials group of known type and comprising a known-type multi-layer building panel.
  • the load-bearing capacity of a multi-layer building panel of the building materials group of the invention, once fixed, is greater than that of a multi-layer panel of known type in a building materials group of known type.
  • the building materials group of the invention thus enables increasing the distance between the relative building support elements, i.e. between the building beams, lightening the mass of the covering and facilitating and accelerating the realisation thereof.
  • sections of the multi-layer building panels comprised in the building materials group (42) of the invention have been taken along a plane passing through a fret of the relative first sheet.
  • the sections include no indication of the shadings and the thicknesses of the first and second layer are not in scale.
  • numerical reference (42) denotes the building materials group of the invention (see figures 10 , 25 and 26 ), and reference number (2) denotes a multi-layer building panel made of a composite material comprised in the building materials group (42). This comprises:
  • the second abutting element (17, 18) is the abutment portion (17), while when the first abutting element is the protuberance (16), the second abutting element (17, 18) is the second groove (18).
  • a building materials group according to the invention is preferred in which the at least a multi-layer building panel (2) has the second coupling region (11) identical to the first coupling region (10).
  • the first and second building beam (8) it is preferable for the first and second building beam (8) to be winged and respectively comprise a first and a second wing element (7); wherein the first and second wing elements (7) comprise the second abutting element (17, 18), respectively, of the first and the second building beam (8).
  • the connecting element (14) of the first coupling region (10) and the connecting element (14) of the second coupling region (11) are couplable, restingly, respectively, with the first and second wing element (7).
  • the multi-layer building panel (2) comprises:
  • the multi-layer building panel (2) is curved and, as it has the two coupling regions (10, 11) as previously defined (and optionally the second coupling region is identical to the first coupling region - see figures 10 and 26 ), the multi-layer building panel (2) is also prevented from deforming and flattening following loads bearing thereon.
  • the first abutting element is preferably the first groove (15), in particular as defined in the present description.
  • the load-bearing capacity of the multi-layer building panel comprised in the building materials group (42) of the invention not fixed to the wing element (7) is greater than the load of the multi-layer building panel of known type and not fixed to the wing element (7).
  • the covering portion (12) is destined to superiorly close the space comprised between the building support elements, being the building beams (8).
  • the wing element (7) is the one arranged proximal to the multi-layer building panel (2) and not the one arranged distally thereto.
  • the abutment portion (17) of the wing element (7) is preferably the terminal portion of the wing element (7) as illustrated in figures 10-11 an 14-17, alternatively the abutment portion (17) of the building beam of the winged building beam (8) can also be a further protuberance (not illustrated) comprised in the building beam or the wing element of the winged building beam which extends parallel to the longitudinal axis (81) of the building beam or the winged building beam (8).
  • the first, second and third structural building material are preferably selected, independently of one another, from a second group of building materials consisting of: metal sheet; metal sheet coated with a rust-proof metal alloy; galvanised metal sheet; painted and galvanised metal sheet; steel sheet coated with a rust-proof metal alloy; galvanised steel sheet; painted and galvanised steel sheet; stainless steel sheet.
  • the preferred building material is a metal sheet coated with a rust-proof metal alloy or a painted and galvanised metal sheet.
  • the rust-proof metal alloy can be of various types and has protective characteristics for the metal sheet it covers. It can preferably comprise aluminium, zinc and silicon. For the purposes of the invention it is preferable to use "Aluzinc" sheets.
  • the first abutting element (15, 16) is the first groove (15), which, when the multi-layer building panel (2) is arranged with the first layer (3) facing upwards, faces downwards.
  • the first groove(15) can be defined by a first abutting wall (19), preferably planar, and a second abutting wall (20), preferably planar, which are inclined with respect to one another (see figure 11 ).
  • These abutting walls (19, 20) can advantageously be arranged inclined by an angle comprised between 80° and 100°, preferably 85° and 95°, more preferably an angle of 90°.
  • the building materials group (42) according to the invention to comprise a multi-layer building panel (2), in which when it is resting with relative connecting portions on a support plane (not illustrated), the first abutting wall (19) of the first groove (15) is arranged parallel to the plane and, more preferably, the second abutting wall (20) is arranged perpendicularly to the plane and facing outwardly.
  • the first abutting element (15, 16) is the protuberance (16) (see figure 18 ). It can be advantageously defined by three abutting walls, preferably planar, which are preferably: a third abutting wall; a fourth abutting wall, which originates from the third abutting wall and is inclined, with respect to the third wall, by an obtuse angle; and a fifth abutting wall, which originates from the fourth abutting wall, and is inclined, with respect to the fourth wall, by an obtuse angle, in order to facilitate the receiving of the protuberance (16) in the second groove (18) of the wing element (7) of the winged building beam (8), acting in this way as a guide for the coupling between the first portion and the wing element (7).
  • the second groove (18) can advantageously be complementarily profiled to the protuberance (16).
  • the second groove can be constituted by a continuous rib which extends along a side of the multi-layer building panel (2) but can also be constituted by a plurality of projections, discontinuous from one another.
  • the first or the second coupling portion (or connecting portion) (10,11) might advantageously couple with a building beam or a wing element (7) of a winged building beam (8) having a plurality of grooves, discontinuous with one another, complementarily profiled to the projections so as to prevent movements of the multi-layer building panel (2) in a parallel direction to the building beam or to the winged building beam (8).
  • the first coupling region (10) has: a first portion, which extends from the covering region (12) to the first groove (15), and which has a second minimum thickness which is greater than the first minimum thickness; and a second portion, which is arranged at the groove, which has a third minimum thickness which is lower than the second minimum thickness and which, optionally, is identical to the first minimum thickness.
  • a third portion can advantageously be provided which originates from the first groove (15), on the opposite side to the second portion, and which has a fourth minimum thickness which is greater than the third minimum thickness. This is with the purpose of preventing, at the first coupling portion (or connecting portion), impacting on the insulating capacity of the multi-layer building panel (2) and then, of guaranteeing the continuity of heat insulation. This is required by the existing standards in the sector.
  • the minimum thicknesses of the second layer (4) are those relative to the areas without frets or the areas arranged at the concavities of the corrugation.
  • the minimum thicknesses are constant.
  • the thickness of the second layer (4) preferably has a progressively increasing thickness in a direction which extends from the covering region (12) to the first groove (15); more preferably it has an increase in thickness that is constant along that direction, but it can also have a first value of increase in thickness along the direction proximally to the covering region (12), and a second value of increase in thickness along the direction that is smaller than the first, proximally to the first groove (15). Therefore the inclination of the external wall of the connecting element (14) will have portions with a different inclination in proximity of the first groove (15).
  • the second layer (4) when the first abutting element is the protuberance (16), the second layer (4), with the exception of at the protuberance (16), a first minimum thickness which is constant.
  • the first layer (3) can project from the first coupling region (10) and/or from the second coupling region (11) in order to protect them from atmospheric agents, in particular from the rain and snow. For this purpose it can form a flap (21) (see figure 11 ).
  • the multi-layer building panel of the building materials group (42) according to the invention owing to the connecting element (14), has horizontal constraints, which in figure 26 are denoted by numerical reference (24).
  • the horizontal constraints (24) not only prevent horizontal displacements thereof but also lead to an increase in the relative load-bearing capacity from (P) to (aP) where ⁇ is greater than 1. This enables increasing the covering gap, i.e. the distance between the first and second building beam or between the first and second building beam (8), consequently lightening the total mass of the covering with respect to the known art.
  • the third sheet of the connecting element (14) can advantageously not be realised in a single body with the second sheet (151) (see figures 21-23 ), or with the first sheet (160).
  • the third sheet of the connecting element (14) is not realised in a single body with the second sheet (15) i.e. it is separate, from the second sheet (151) (see figures 19-20 ) and/or from the first sheet (160).
  • the first building material and/or the second building material and/or the third building material are selected, independently of one another, from a second group of building materials consisting of: metal sheet; metal sheet coated with a rust-proof metal alloy; galvanised metal sheet; painted and galvanised metal sheet; steel sheet coated with a rust-proof metal alloy; galvanised steel sheet; painted and galvanised steel sheet; stainless steel sheet, wherein the second layer (4) comprises a thermally insulating material selected from among: expanded polyurethane; expanded polystyrene; glass wool; cellulose; rock wool and polyester fibre.
  • the first sheet can preferably be fretted or corrugated.
  • the first sheet (160), the second sheet (151) and the third sheet are metal sheets and for the second layer (4) to be made of an expanded polyurethane.
  • the multi-layer building panel (2), comprised in the building materials group (42) of the invention using a lower mould and a corresponding upper mould in which the following are arranged, in contact with the internal walls of the moulds: the first sheet (160), the second sheet (15); the third sheet for the first coupling portion (10); and, the coupling (10) of a further third sheet for the second coupling portion (11).
  • the third sheet and the further third sheet can be, or may not be, realised in a single body with the first sheet (160), or with the second sheet (151) and can be appropriately profiled with a groove (15) or a protuberance (16).
  • the first sheet (160) or the second sheet (151) can be shaped so as to laterally close the multi-layer building panel (2) at the second coupling portion (10).
  • a terminal structural element can also be arranged, separately (not illustrated), which will join the third layer (5) to the first layer (3) and will laterally delimit the second layer (4).
  • the two moulds once coupled to one another, will have shapes and dimensions such as to define between them a space for the injection of a suitable quantity of a precursor material of the expanded polyurethane.
  • the expanded polyurethane Once the expanded polyurethane has been formed, it will function as a glue for making the following mutually solid to one another: the first sheet (160), the second sheet (15); the third sheet; and, in a case in which the second coupling portion is identical to the first coupling portion (10), the further third sheet.
  • the multi-layer building panel (2) comprised in the building materials group (42) making mutually solidly constrained (for example using glues and pressing): the first sheet (160), the pre-constituted second layer (4), the second sheet (15), the third sheet, a possible further third sheet or the terminal structural element.
  • the pre-constituted layer it is preferable for the pre-constituted layer to be made of expanded polystyrene, glass wool, rock wool, cellulose and polyester fibre but might also be made of expanded polyurethane.
  • the first sheet (160) of the multi-layer building panel (2) can be fretted (as illustrated in figures 10-26 ), corrugated or profiled in another way with the aim of increasing the minimum inherent load-bearing capacity of the multi-layer building panel (2), with the frets or the corrugations perpendicular to the first and second coupling portion (11, 10).
  • the invention also relates to a building covering comprising a building materials group (42) according to the invention, in which the at least a multi-layer building panel (2) is arranged with the first layer (3) facing upwards and is resting on the first and the second building beam (8) with the first and the second coupling portion (10, 11) coupled and resting, respectively, on the first and the second building beam (8) (obviously with the first and the second coupling portion (10, 11) parallel to the axes of the building beams), and abut the second abutting element (17.18), respectively of the first and the second building beam (8), distributing on the first and the second building beam (8), respectively, the first and second horizontal component (Co), opposite one another, of the weight of the at least a multi-layer building panel (2) preventing the at least a multi-layer building panel (2) from displacing towards the longitudinal axis (81), respectively, of the first and the second building beam (8).
  • a building materials group (42) according to the invention
  • the first and second building beam (8) are preferably winged and respectively comprise a first and a second wing element (7); in which each of the first and second wing element (7) comprise the second abutting element (17, 18), respectively, of the first and the second building beam (8); and wherein the connecting element (14) of the first coupling region (10) and the connecting element (14) of the second coupling region (11) are couplable, restingly, respectively, with the first and second wing element (7).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
EP23155508.7A 2022-02-10 2023-02-08 Groupe de matériaux de construction pour réaliser un revêtement de construction Withdrawn EP4227472A1 (fr)

Applications Claiming Priority (1)

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IT102022000002396A IT202200002396A1 (it) 2022-02-10 2022-02-10 Pannello edile multistrato in materiale composito

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EP4227472A1 true EP4227472A1 (fr) 2023-08-16

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IT (1) IT202200002396A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
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