EP4087984A1 - System and method for erecting walls, ceilings and/or roofs of buildings - Google Patents

System and method for erecting walls, ceilings and/or roofs of buildings

Info

Publication number
EP4087984A1
EP4087984A1 EP20833707.1A EP20833707A EP4087984A1 EP 4087984 A1 EP4087984 A1 EP 4087984A1 EP 20833707 A EP20833707 A EP 20833707A EP 4087984 A1 EP4087984 A1 EP 4087984A1
Authority
EP
European Patent Office
Prior art keywords
plates
another
component
components
plate
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.)
Granted
Application number
EP20833707.1A
Other languages
German (de)
French (fr)
Other versions
EP4087984B1 (en
EP4087984C0 (en
Inventor
Claudiu-Daniel Surducan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP4087984A1 publication Critical patent/EP4087984A1/en
Application granted granted Critical
Publication of EP4087984B1 publication Critical patent/EP4087984B1/en
Publication of EP4087984C0 publication Critical patent/EP4087984C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E04B1/10—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/70—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood
    • E04B2/701—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with integrated supporting and obturation function
    • E04B2/703—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with integrated supporting and obturation function with longitudinal vertical elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/12—Load-carrying floor structures formed substantially of prefabricated units with wooden beams
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
    • 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
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
    • 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
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/50—Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/127—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with hollow cross section
    • 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
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6179—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions and recesses on each frontal surface
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0204—Non-undercut connections, e.g. tongue and groove connections
    • E04B2002/0206—Non-undercut connections, e.g. tongue and groove connections of rectangular shape
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0204—Non-undercut connections, e.g. tongue and groove connections
    • E04B2002/023—Non-undercut connections, e.g. tongue and groove connections with rabbets, e.g. stepped
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2002/3488—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by frame like structures

Definitions

  • the present invention relates to a system and a method for erecting building walls, ceilings and / or roofs.
  • block construction One example that has been known for a long time is the so-called block construction.
  • building elements in the form of solid wooden blocks are prefabricated to measure in the factory, with which walls, ceilings and / or roof structures can be erected comparatively quickly on the construction site.
  • the present invention creates a system for erecting building walls, ceilings and / or roofs, comprising a large number of identical structural elements, each of which has at least two elongated, essentially rectangular, uniform width panels, the outer panel main surfaces of which extend parallel to one another and form outer surfaces of the component, and have spacer bars which connect the panels to one another, each panel longitudinal edge being provided with a recess that forms a gradation and extends over the entire length of the panel longitudinal edge for releasable positive fastening of the component to adjacent components is, wherein the recesses are formed complementary to each other, have a constant cross section in the longitudinal direction of the plate and have a recess depth that increases in the inward direction starting from the longitudinal edge of the plate, which extends along a first construction element longitudinal side extending recesses facing each other and the recesses extending along the opposite second component longitudinal side pointing away from each other, and wherein the plates are arranged offset to one another in the direction of their plate width.
  • a significant advantage of the system according to the invention is that the components, which in the simplest case have exactly two plates connected to one another via spacing webs, have a comparatively low weight, which is why they can be produced inexpensively and on the construction site without the use of a crane Have one or two people handle it. Nevertheless, the components have a very high strength and flexural strength, so that they can also be used as load-bearing construction elements. Yet another advantage of the compo elements of the system according to the invention is that they can be quickly and easily attached to each other due to the design of their plate longitudinal edges, creating a detachable and form-fitting connection without the need for additional fasteners, such as screws or similar. This leads to significant time and cost savings during assembly on the construction site.
  • the recess depth increases continuously, which facilitates the manufacture of the components.
  • the base of each recess preferably forms an angle in the range from 4 ° to 12 ° with the outer main surface of the plate, in particular an angle in the range from 7 ° to 10 °. In this way, a simple assembly is guaranteed with a very good form fit between the components.
  • the respective width of the recesses advantageously corresponds to the offset which the plates have in the direction of their plate width.
  • the longitudinal edges of the panels of adjacent components can thus be connected to one another very easily within the framework of a relative pivoting movement of the components to be fastened to one another.
  • the spacer webs of a component are connected to the plates using slot wedges, whereby a very high stability is achieved.
  • the plates of a component are advantageously connected to one another using expanding pins. Thanks to such expanding pins, an even better stability of the components is achieved.
  • the plates and / or the spacer webs and / or the groove wedges and / or the expanding pins advantageously have wood, the plates and / or the spacer webs being made in particular from chipboard. Accordingly, components are provided that are made from renewable resources and can also be easily recycled.
  • the edges of at least some gradations are provided with a sealing tape, so that when two components are connected, a seal is also automatically made along the longitudinal edges of the panels facing each other.
  • the plates have a length of at least 2,200 mm and / or a width in the range from 200 mm to 400 mm.
  • the length of at least 2,200 mm is an advantage in that building walls can be easily created using building elements that are lined up on edge.
  • a width in the range from 200 mm to 400 mm ensures that the dead weight of the components is sufficiently low that the components can be handled by one or two people on the construction site.
  • the components preferably have a depth in the range from 100 mm to 350 mm.
  • the length of the plates of a component is different, the difference in length preferably being in the range from 100 mm to 350 mm. If a wall is built from such compo elements, for example, the longer plates can serve as an outer stop for a ceiling structure placed on the wall
  • the system preferably has base strips, the dimensions of which are selected in such a way that the components with their short end faces can be placed on them in a form-fitting manner. Thanks to such baseboards, the components can be quickly and easily positioned on the ground when erecting a building wall.
  • the system advantageously has cover elements for covering the longitudinal edges of a component, each cover element having three U-shaped panels, the free longitudinal edges of which are arranged and designed complementary to the longitudinal edges of the components in such a way that the cover element can be detachably connected to a component can.
  • cover elements serve, for example, as panels for walls that end freely in the room.
  • the system for forming room corners has corner elements, each corner element having four plates, two of which are arranged in an L-shape and the L-shaped arrangements are connected to one another using spacer bars, and the free ones Longitudinal panel edges arranged and designed in such a way complementary to the longitudinal panel edges of the building elements. forms are that two components can be releasably connected to a corner element.
  • the system according to the invention can have a plurality of groups of identical components, the components of each group differing from one another, for example with regard to the dimensions of the plates and / or connecting webs.
  • the system can have components whose dimensions are specifically selected for the erection of walls, those whose dimensions are specifically selected for the erection of ceilings, etc.
  • the present invention creates a method for erecting building walls, ceilings and / or roofs using a system according to the invention in which mutually facing plate longitudinal edges of adjacent compo elements are positively connected to one another without additional fasteners.
  • Intermediate spaces formed by plates and spacer bars on the construction site are preferably filled with insulating material, in particular with pourable insulating material.
  • FIG. 1 is a perspective schematic sectional view of a component of a system according to an embodiment of the present invention
  • FIG. 2 shows a sectional front view of the component, the cutting line extending through an expanding pin
  • FIG. 3 shows a perspective view of an exemplary wall and ceiling construction which is made from structural elements shown in FIGS. 1 and 2;
  • FIG. 4 shows a plan view in the direction of arrow IV in FIG. 3
  • FIG. 5 is a partially sectioned view in the direction of arrow V in FIG. 3;
  • Figure 6 is a perspective view of a corner element of the system.
  • FIG. 7 shows a sectional front view of the component, in which geometric relationships are drawn.
  • FIG. 8 is a sectional front view of a further component, in which geometric relationships are drawn.
  • FIG. 1 show a system according to an embodiment of the present invention which can be used to erect building walls, ceilings and / or roofs.
  • the system comprises, as main components, a large number of identically designed first components 1, a large number of identically designed second components 2, base strips 3 and corner elements 4.
  • Figures 1 to 3 show views of a first component 1.
  • This comprises two elongated, essentially rectangular plates 6 and 7 arranged at a distance A from one another, the outer main plate surfaces 8 of which form outer surfaces of the structural element 1 extending parallel to one another two spaced apart spacer webs 9, which extend in the plate longitudinal direction between the two plates 6 and 7 and connect them to one another.
  • the component 1 has a depth T which is preferably in the range from 100 mm to 350 mm.
  • the panels 6 and 7 in the present case have a uniform panel width B and a uniform panel thickness S.
  • the panel width B is preferably in the range from 200 mm to 400 mm, the panel thickness S preferably in the range from 8 mm to 15 mm.
  • the plate length L is at least 2,200 mm, preferably we least 2,400 mm.
  • the plate length L of the plate 6 is greater than that of the plate 7, so that the plate 6 protrudes on one side from the plate 7 by an amount that preferably corresponds to the depth T of the second components 2, see FIG Form-fitting attachment of a first component 1 to an adjacent first component 1, each panel longitudinal edge 10 of panels 6 and 7 is provided with a recess 12 forming a step 11 and extending over the entire length of the corresponding panel longitudinal edge, the recesses 12 being complementary to one another are formed, have a constant cross section in the longitudinal direction of the plate and have a recess depth t which, starting from the corresponding longitudinal edge 10 of the plate, increases continuously in the inward direction in the present case.
  • each recess 12 forms an angle a in the range from 4 ° to 18 ° with the outer main plate surface 8, preferably an angle a in the range from 4 ° to 12 °, in particular an angle a in the range from 7 ° to 10 °.
  • the two plates 6 and 7 are offset from one another in the direction of their plate width B, the width b of the recesses 12 corresponding to the offset that the plates 6 and 7 have in the direction of their plate width B.
  • FIGS. 7 and 8 show the geometrical relationship which results in the angle ⁇ .
  • two components 1, 2, as shown in FIG. 2 can simply be connected to one another in a latching manner within the scope of a pivoting movement. Thanks to the elasticity of the material and the groove bases 13 arranged one on top of the other like a wedge, weather-related and / or thermal expansions can be compensated.
  • the spacer webs 9 are connected to the respective plates 6 and 7 using slot wedges 14, with other types of connection also being possible in principle.
  • the plates 6 and 7 are presently also connected to one another using Sp Drstif th 15 arranged between the spacer webs 9, whereby the first components 1 are given a very high overall stability.
  • the edges of two steps 12 opposite one another in the direction of the depth T of the component 1 are advantageously provided with a sealing tape 16 which extends over the entire length of the edge.
  • the longer plate 6 of the first component 1 is on her
  • the first end face 17 is provided on the outside with a bevel 18 extending over the entire plate width B, while the first end face 17 of the plate 7 is flat.
  • the second end faces 19 of both plates 6 and 7 are provided with recesses 20 facing one another and extending along the entire plate width B of the plates 6, 7.
  • the lower end face 19 of the plate 6 has a downwardly protruding projection 21 that is complementary to the bevel 18.
  • the first component 1 serves to erect a building wall 22.
  • FIGS. 1 to 3 The structure of the second component 2 shown in FIGS. 1 to 3, which is used to erect a building ceiling 23, essentially corresponds to that of the first component 1, which is why FIGS. 1 and 2 show both the first component 1 and the second component 2 , because the selected cross-sectional views are identical.
  • the plates 6 and 7 of the component 2, as shown in FIG. 3, are of the same length.
  • plates 6 and 7 of component 2 are longer than those of component 1 in order to be able to completely span a previously selected room width.
  • the end faces 17 and 19 of the plates 6 and 7 are each flat.
  • the base strips 3 have a width corresponding to the distance between the plates 6 and 7 of the components 1 in the region of the depressions 20. They comprise a flat underside 24. A centrally positioned, longitudinally extending, upwardly projecting shoulder 25 is provided on the upper side, the width of which corresponds to the distance A between the plates 6 and 7. Correspondingly, the end faces 19 of the components 1 provided with the depressions 20 can be placed on the shoulder 25 in a form-fitting manner. Alternatively, however, it is also possible, for example, for all of the end faces 17 and 19 of the plates 6 and 7 of the first component 1 to be flat. form, that is to say without a bevel 18 and without recesses 20.
  • the base strip can have a rectangular cross section with a width which corresponds to the distance A between the plates 6 and 7.
  • the corner elements 4, one of which is shown in Figure 6, have four plates 6, 7, two of which are arranged in an L-shape and the L-shaped arrangements are connected to one another using spacer bars 9.
  • the positioning, the length L and the thickness S of the plates 6 and 7 are adapted to the positioning, the length L and the thickness S of the plates 6 and 7 of the first structural elements 1.
  • the free longitudinal panel edges 10 of the corner elements 4 are arranged and designed complementary to the longitudinal panel edges 10 of the first structural elements 1 in such a way that two structural elements 1 can be detachably connected to one corner element 4.
  • the angle between the plates 6 is reinforced with a square timber 26 to increase the strength of the corner element 4.
  • the respective connections between the plates 6, 7, the spacer webs 9 and the squared timber 26 are implemented in the present case analogously to the first structural element 1 by means of slot wedges 14 (not shown in detail in FIG.
  • the plates 6, 7, the spacer webs 9, the slot wedges 14, the expanding pins 15 and the squared timbers 26 in the present case all have wood, the plates 6, 7 and the spacer webs 9 being made from chipboard.
  • a baseboard 4 is mounted on the substrate 27, in particular using fastening screws and associated dowels that are not shown in detail.
  • a first of the first compo elements 1 is set with its second end faces 19 first on the baseboard 3, the longer plate 6 being arranged facing outwards.
  • further first components 1 are mounted in the same way until the desired length of the building wall 22 is reached.
  • Corners which connect two building walls 22 arranged perpendicular to one another are implemented using corner elements 4, even if this is not shown in FIG.
  • the corresponding baseboards 3 can be mitred for the corner area.
  • the spaces formed by plates 6, 7 and spacer bars 9 can be filled with insulating material on the construction site, in particular with a pourable insulating material.
  • the second components 2 are mounted to erect the building ceiling 23 by simply placing them on the first end faces 17 of the first components 1 mounted opposite and connecting them to one another in a form-fitting manner in the manner described above.
  • the corresponding building walls 22 are then reassembled in the manner described above.
  • the projections 21 of the panels 6 of the first components 1 grasp into the chamfers 18 of the panels 6 of the first components 1 arranged below.
  • the building ceilings 23 and possibly a building roof using the system according to the invention there is no A crane is required because all the components of the system can be handled manually by one or, if necessary, two people due to their comparatively low weight.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Finishing Walls (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Abstract

The present invention relates to a system for erecting walls (22), ceilings (23) and/or roofs of buildings, comprising a plurality of identical elements (1, 2), each of which comprises at least two elongate panels (6, 7) that are substantially rectangular and have a uniform width (B), the exterior main surfaces (8) of which panels extend parallel to one another and form exterior surfaces of the element (1, 2), and each of which have spacer webs (9), which connect the panels (6, 7) to one another, wherein: for fastening the element (1, 2) to adjacent elements (1, 2) in an interlocking, releasable manner, each panel longitudinal edge (10) is provided with a recess (12) forming a step (11) and extending along the entire length of the panel longitudinal edge (10); the recesses (12) are complementary to one another, have a constant cross-section in the panel longitudinal direction and have a recess depth (t) which increases from the panel longitudinal edge (10) in the inward direction; the recesses (12) extending along a first element longitudinal side face one another, and the recesses (12) extending along the opposite second element longitudinal side face away from one another; and the panels (6, 7) are arranged offset with respect to one another in the direction of their panel width (B).

Description

Beschreibung description
System und Verfahren zum Errichten von Gebäudewänden, -decken und/oder -dächern System and method for erecting building walls, ceilings and / or roofs
Die vorliegende Erfindung betrifft ein System und ein Verfahren zum Errich ten von Gebäudewänden, -decken und/oder -dächern. The present invention relates to a system and a method for erecting building walls, ceilings and / or roofs.
Im Bauwesen ist es erstrebenswert, die Zeitdauer, die auf der Baustelle für die Errichtung von Gebäudewänden, -decken und/oder -dächern erforderlich ist, aufgrund der hohen Lohnkosten zu verringern. Vor diesem Hintergrund werden zur Errichtung von Gebäuden zunehmend Fertigbauteile eingesetzt. In construction, it is desirable to reduce the time required on the construction site for the erection of building walls, ceilings and / or roofs, due to the high labor costs. Against this background, prefabricated components are increasingly being used for the construction of buildings.
Ein seit langem bekanntes Beispiel ist die so genannte Blockbauweise. Bei dieser werden im Werk Bauelemente in Form massiver Holzblöcke auf Maß vorgefertigt sind, mit denen sich auf der Baustelle vergleichsweise schnell Wände, Decken und/oder Dachkonstruktionen errichten lassen. One example that has been known for a long time is the so-called block construction. In this case, building elements in the form of solid wooden blocks are prefabricated to measure in the factory, with which walls, ceilings and / or roof structures can be erected comparatively quickly on the construction site.
Auch ist es bekannt, Fertighäuser mit auf Maß vorfabrizierten Bauelementen zu errichten, die ganze Wand-, Decken- und/oder Dacheinheiten abbilden, wodurch die Montage vor Ort noch weiter beschleunigt werden kann. It is also known to erect prefabricated houses with prefabricated components that are prefabricated to measure and that depict entire wall, ceiling and / or roof units, as a result of which on-site assembly can be accelerated even further.
Ein wesentliches Problem dieser vorgefertigten Bauelemente besteht zum einen darin, dass sie ein sehr hohes Eigengewicht aufweisen, weshalb sie auf der Baustelle nur unter Verwendung eines Krans gehandhabt werden können. Zudem sind sie materialintensiv und damit teuer. Zum anderen wird für die Montage meist speziell geschultes Fachpersonal benötigt, was eben falls zusätzliche Kosten mit sich bringt. Noch ein weiteres Problem besteht darin, dass die einzelnen Bauelemente während der Montage auf der Bau- stelle mit einer Vielzahl von zusätzlichen Befestigungsmitteln miteinander verbunden werden müssen, wie beispielsweise Schrauben oder dergleichen, was ebenfalls mit einem nicht unerheblichen Zeit- und Kostenaufwand ein hergeht. Ausgehend von diesem Stand der Technik ist es eine Aufgabe der vorlie genden Erfindung, ein System und ein Verfahren zum Errichten von Gebäu dewänden, -decken und/oder -dächern der eingangs genannten Art zu schaffen, dessen Komponenten sich preiswert hersteilen und auf der Bau stelle auch von ungeschultem Personal ohne den Einsatz eines Krans schnell und kostengünstig montieren lassen. A major problem with these prefabricated components is, on the one hand, that they have a very high dead weight, which is why they can only be handled on the construction site using a crane. In addition, they are material-intensive and therefore expensive. On the other hand, specially trained specialists are usually required for the assembly, which also entails additional costs. Yet another problem is that the individual components are interlocked with a large number of additional fastening means during assembly on the construction site must be connected, such as screws or the like, which also involves a not inconsiderable expenditure of time and money. Based on this prior art, it is an object of the present invention to provide a system and a method for erecting building walls, ceilings and / or roofs of the type mentioned, the components of which can be produced inexpensively and put on the building site Can be assembled quickly and inexpensively even by untrained personnel without the use of a crane.
Zur Lösung dieser Aufgabe schafft die vorliegende Erfindung ein System zum Errichten von Gebäudewänden, -decken und/oder -dächern, umfassend eine Vielzahl identischer Bauelemente, die jeweils zumindest zwei längliche, im Wesentlichen rechteckig ausgebildete, eine einheitliche Breite aufwei sende Platten, deren äußere Plattenhauptflächen sich parallel zueinander erstrecken und Außenflächen des Bauelements bilden, und Abstandsstege aufweisen, welche die Platten miteinander verbinden, wobei zur lösbaren formschlüssigen Befestigung des Bauelements an benachbart angeordneten Bauelementen jede Plattenlängskante mit einer eine Abstufung bildenden, sich über die gesamte Länge der Plattenlängskante erstreckenden Ausspa rung versehen ist, wobei die Aussparungen komplementär zueinander aus gebildet sind, in Plattenlängsrichtung einen konstanten Querschnitt haben und eine Aussparungstiefe aufweisen, die ausgehend von der Plattenlängs- kante in Einwärtsrichtung zunimmt, wobei die sich entlang einer ersten Bau elementlängsseite erstreckenden Aussparungen zueinander weisen und die sich entlang der gegenüberliegenden zweiten Bauelementlängsseite erstre ckenden Aussparungen voneinander weg weisen, und wobei die Platten in Richtung ihrer Plattenbreite versetzt zueinander angeordnet sind. Ein wesentlicher Vorteil des erfindungsgemäßen Systems besteht darin, dass die Bauelemente, die im einfachsten Fall genau zwei über Abstands stege miteinander verbundene Platten aufweisen, ein vergleichsweise gerin ges Eigengewicht aufweisen, weshalb sie sich preiswert hersteilen und auf der Baustelle auch ohne den Einsatz eines Krans von einer oder von zwei Personen handhaben lassen. Dennoch weisen die Bauelemente eine sehr hohe Festigkeit und Biegesteifigkeit auf, so dass sie auch als tragende Bau elemente eingesetzt werden können. Noch ein weiterer Vorteil der Bauele mente des erfindungsgemäßen Systems besteht darin, dass sie sich auf- grund der Ausbildung ihrer Plattenlängskanten untereinander schnell und einfach unter Erzeugung einer lösbaren und formschlüssigen Verbindung aneinander befestigen lassen, ohne dass hierzu zusätzliche Befestigungs mittel erforderlich sind, wie beispielsweise Schrauben oder dergleichen. Dies führt zu einer deutlichen Zeit- und Kostenersparnis bei der Montage auf der Baustelle. To solve this problem, the present invention creates a system for erecting building walls, ceilings and / or roofs, comprising a large number of identical structural elements, each of which has at least two elongated, essentially rectangular, uniform width panels, the outer panel main surfaces of which extend parallel to one another and form outer surfaces of the component, and have spacer bars which connect the panels to one another, each panel longitudinal edge being provided with a recess that forms a gradation and extends over the entire length of the panel longitudinal edge for releasable positive fastening of the component to adjacent components is, wherein the recesses are formed complementary to each other, have a constant cross section in the longitudinal direction of the plate and have a recess depth that increases in the inward direction starting from the longitudinal edge of the plate, which extends along a first construction element longitudinal side extending recesses facing each other and the recesses extending along the opposite second component longitudinal side pointing away from each other, and wherein the plates are arranged offset to one another in the direction of their plate width. A significant advantage of the system according to the invention is that the components, which in the simplest case have exactly two plates connected to one another via spacing webs, have a comparatively low weight, which is why they can be produced inexpensively and on the construction site without the use of a crane Have one or two people handle it. Nevertheless, the components have a very high strength and flexural strength, so that they can also be used as load-bearing construction elements. Yet another advantage of the compo elements of the system according to the invention is that they can be quickly and easily attached to each other due to the design of their plate longitudinal edges, creating a detachable and form-fitting connection without the need for additional fasteners, such as screws or similar. This leads to significant time and cost savings during assembly on the construction site.
Gemäß einer Ausgestaltung der vorliegenden Erfindung nimmt die Ausspa rungstiefe kontinuierlich zu, was die Fertigung der Bauelemente erleichtert. Der Grund jeder Aussparung schließt mit der äußeren Plattenhauptfläche bevorzugt einen Winkel im Bereich von 4° bis 12° ein, insbesondere einen Winkel im Bereich von 7° bis 10°. Auf diese Weise wird eine einfache Mon tage bei gleichzeitig sehr gutem Formschluss zwischen den Bauelementen gewährleistet. According to one embodiment of the present invention, the recess depth increases continuously, which facilitates the manufacture of the components. The base of each recess preferably forms an angle in the range from 4 ° to 12 ° with the outer main surface of the plate, in particular an angle in the range from 7 ° to 10 °. In this way, a simple assembly is guaranteed with a very good form fit between the components.
Die jeweilige Breite der Aussparungen entspricht vorteilhaft dem Versatz, den die Platten in Richtung ihrer Plattenbreite aufweisen. Damit lassen sich die Plattenlängskanten benachbarter Bauelemente sehr einfach im Rahmen einer relativen Schwenkbewegung der aneinander zu befestigenden Bau- elemente miteinander verbinden. Gemäß einer Ausgestaltung der vorliegenden Erfindung sind die Abstands stege eines Bauelementes unter Verwendung von Nutkeilen mit den Platten verbunden, wodurch eine sehr hohe Stabilität erzielt wird. The respective width of the recesses advantageously corresponds to the offset which the plates have in the direction of their plate width. The longitudinal edges of the panels of adjacent components can thus be connected to one another very easily within the framework of a relative pivoting movement of the components to be fastened to one another. According to one embodiment of the present invention, the spacer webs of a component are connected to the plates using slot wedges, whereby a very high stability is achieved.
Vorteilhaft sind die Platten eines Bauelementes unter Verwendung von Spreizstiften miteinander verbunden. Dank solcher Spreizstifte wird eine noch bessere Stabilität der Bauelemente erzielt. Vorteilhaft weisen die Platten und/oder die Abstandsstege und/oder die Nut keile und/oder die Spreizstifte Holz auf, wobei die Platten und/oder die Ab standsstege insbesondere aus Spanplatten hergestellt sind. Entsprechend werden Bauelemente bereitgestellt, die aus nachwachsenden Ressourcen gefertigt und auch gut recyclebar sind. The plates of a component are advantageously connected to one another using expanding pins. Thanks to such expanding pins, an even better stability of the components is achieved. The plates and / or the spacer webs and / or the groove wedges and / or the expanding pins advantageously have wood, the plates and / or the spacer webs being made in particular from chipboard. Accordingly, components are provided that are made from renewable resources and can also be easily recycled.
Bevorzugt sind die Kanten zumindest einiger Abstufungen mit einem Dich tungsband versehen, so dass im Rahmen der Verbindung zweier Bauele mente automatisch auch eine Abdichtung entlang der zueinander weisenden Plattenlängskanten erfolgt. Preferably, the edges of at least some gradations are provided with a sealing tape, so that when two components are connected, a seal is also automatically made along the longitudinal edges of the panels facing each other.
Gemäß einer Ausgestaltung der vorliegenden Erfindung weisen die Platten eine Länge von wenigstens 2.200 mm und/oder eine Breite im Bereich von 200 mm bis 400 mm auf. Die Länge von wenigstens 2.200 mm ist dahinge hend von Vorteil, dass sich Gebäudewände einfach durch hochkant anei- nandergereihte Bauelemente realisieren lassen. Eine Breite im Bereich von 200 mm bis 400 mm stellt sicher, dass das Eigengewicht der Bauelemente hinreichend gering ausfällt, dass die Bauelemente auf der Baustelle von ei ner oder von zwei Personen gehandhabt werden können. Die Bauelemente weisen bevorzugt eine Tiefe im Bereich von 100 mm bis 350 mm auf. According to one embodiment of the present invention, the plates have a length of at least 2,200 mm and / or a width in the range from 200 mm to 400 mm. The length of at least 2,200 mm is an advantage in that building walls can be easily created using building elements that are lined up on edge. A width in the range from 200 mm to 400 mm ensures that the dead weight of the components is sufficiently low that the components can be handled by one or two people on the construction site. The components preferably have a depth in the range from 100 mm to 350 mm.
Gemäß einer Ausgestaltung der vorliegenden Erfindung ist die Länge der Platten eines Bauelements verschieden, wobei die Längendifferenz bevor zugt im Bereich von 100 mm bis 350 mm liegt. Wird aus solchen Bauele menten beispielsweise eine Wand errichtet, so können die längeren Platten als äußerer Anschlag für eine auf die Wand aufgesetzte Deckenkonstruktion dienen According to one embodiment of the present invention, the length of the plates of a component is different, the difference in length preferably being in the range from 100 mm to 350 mm. If a wall is built from such compo elements, for example, the longer plates can serve as an outer stop for a ceiling structure placed on the wall
Bevorzugt weist das System Bodenleisten auf, deren Abmessungen derart gewählt sind, dass die Bauelemente mit ihren kurzen Stirnseiten formschlüs sig auf diese aufgesetzt werden können. Dank solcher Bodenleisten lassen sich die Bauelemente beim Errichten einer Gebäudewand schnell und ein- fach auf dem Untergrund positionieren. The system preferably has base strips, the dimensions of which are selected in such a way that the components with their short end faces can be placed on them in a form-fitting manner. Thanks to such baseboards, the components can be quickly and easily positioned on the ground when erecting a building wall.
Vorteilhaft weist das System Abdeckelemente zum Abdecken der Längskan ten eines Bauelementes auf, wobei jedes Abdeckelement drei U-förmig an geordnete Platten aufweist, deren freie Längskanten derart komplementär zu den Längskanten der Bauelemente angeordnet und ausgebildet sind, dass das Abdeckelement lösbar mit einem Bauelement verbunden werden kann. Derartige Abdeckelemente dienen beispielsweise als Blenden für frei im Raum endende Wände. Gemäß einer Ausgestaltung der vorliegenden Erfindung weist das System zur Ausbildung von Raumecken Eckelemente auf, wobei jedes Eckelement vier Platten aufweist, von denen jeweils zwei L-förmig angeordnet und die L-förmigen Anordnungen unter Verwendung von Abstandsstegen miteinan der verbunden sind, und wobei die freien Plattenlängskanten derart komple- mentär zu den Plattenlängskanten der Bauelemente angeordnet und ausge- bildet sind, dass zwei Bauelemente mit einem Eckelement lösbar verbunden werden können. The system advantageously has cover elements for covering the longitudinal edges of a component, each cover element having three U-shaped panels, the free longitudinal edges of which are arranged and designed complementary to the longitudinal edges of the components in such a way that the cover element can be detachably connected to a component can. Such cover elements serve, for example, as panels for walls that end freely in the room. According to one embodiment of the present invention, the system for forming room corners has corner elements, each corner element having four plates, two of which are arranged in an L-shape and the L-shaped arrangements are connected to one another using spacer bars, and the free ones Longitudinal panel edges arranged and designed in such a way complementary to the longitudinal panel edges of the building elements. forms are that two components can be releasably connected to a corner element.
Es sollte klar sein, dass das erfindungsgemäße System mehrere Gruppen identischer Bauelemente aufweisen kann, wobei sich die Bauelemente jeder Gruppe beispielsweise in Bezug auf die Abmessungen der Platten und/oder Verbindungsstege voneinander unterscheiden. So kann das System bei spielweise Bauelemente aufweisen, deren Abmessungen speziell für die Er richtung von Wänden gewählt sind, solche, deren Abmessungen speziell für die Errichtung von Decken gewählt sind, etc. It should be clear that the system according to the invention can have a plurality of groups of identical components, the components of each group differing from one another, for example with regard to the dimensions of the plates and / or connecting webs. For example, the system can have components whose dimensions are specifically selected for the erection of walls, those whose dimensions are specifically selected for the erection of ceilings, etc.
Ferner schafft die vorliegende Erfindung zur Lösung der eingangs genannten Aufgabe ein Verfahren zum Errichten von Gebäudewänden, -decken und/oder -dächern unter Verwendung eines erfindungsgemäßen Systems, bei dem zueinander weisende Plattenlängskanten benachbarter Bauele mente ohne zusätzliche Befestigungsmittel formschlüssig miteinander ver bunden werden. Furthermore, the present invention creates a method for erecting building walls, ceilings and / or roofs using a system according to the invention in which mutually facing plate longitudinal edges of adjacent compo elements are positively connected to one another without additional fasteners.
Bevorzugt werden durch Platten und Abstandsstege gebildete Zwischen- räume auf der Baustelle mit Dämmmaterial gefüllt, insbesondere mit schütt fähigem Dämmmaterial. Intermediate spaces formed by plates and spacer bars on the construction site are preferably filled with insulating material, in particular with pourable insulating material.
Weitere Merkmale und Vorteile der vorliegenden Erfindung werden anhand der nachfolgenden Beschreibung eines Systems gemäß einer Ausführungs- form der vorliegenden Erfindung unter Bezugnahme auf die beiliegende Zeichnung deutlich. Darin ist Further features and advantages of the present invention will become clear on the basis of the following description of a system according to an embodiment of the present invention with reference to the accompanying drawing. In it is
Figur 1 eine perspektivische schematische Schnittansicht eines Bau elementes eines Systems gemäß einer Ausführungsform der vorliegenden Erfindung; Figur 2 eine geschnittene Vorderansicht des Bauelementes, wobei sich die Schnittlinie durch einen Spreizstift erstreckt; Figure 1 is a perspective schematic sectional view of a component of a system according to an embodiment of the present invention; FIG. 2 shows a sectional front view of the component, the cutting line extending through an expanding pin;
Figur 3 eine perspektivische Ansicht einer beispielhaften Wand- und Deckenkonstruktion, die aus in den Figuren 1 und 2 dargestell ten Bauelementen gefertigt ist; FIG. 3 shows a perspective view of an exemplary wall and ceiling construction which is made from structural elements shown in FIGS. 1 and 2;
Figur 4 eine Draufsicht in Richtung des Pfeils IV in Fig. 3; Figur 5 eine teilweise geschnittene Ansicht in Richtung des Pfeils V in Figur 3; FIG. 4 shows a plan view in the direction of arrow IV in FIG. 3; FIG. 5 is a partially sectioned view in the direction of arrow V in FIG. 3;
Figur 6 eine perspektivische Ansicht eines Eckelementes des Systems. Figur 7 eine geschnittene Vorderansicht des Bauelements, in die geo metrische Beziehungen eingezeichnet sind; und Figure 6 is a perspective view of a corner element of the system. FIG. 7 shows a sectional front view of the component, in which geometric relationships are drawn; and
Figur 8 eine geschnittene Vorderansicht eines weiteren Bauelements, in die geometrische Beziehungen eingezeichnet sind. FIG. 8 is a sectional front view of a further component, in which geometric relationships are drawn.
Gleiche Bezugsziffern beziehen sich nachfolgend auf gleiche oder funktional gleichartige Bauteile oder Bauteilbereiche. In the following, the same reference numbers relate to the same or functionally similar components or component areas.
Die Figuren zeigen ein System gemäß einer Ausführungsform der vorlie- genden Erfindung, das zum Errichten von Gebäudewänden, -decken und/oder -dächern verwendet werden kann. Das System umfasst als Flaupt- komponenten eine Vielzahl identisch ausgebildeter erster Bauelemente 1, eine Vielzahl identisch ausgebildeter zweiter Bauelemente 2, Bodenleisten 3 und Eckelemente 4. Die Figuren 1 bis 3 zeigen Ansichten eines ersten Bauelementes 1. Dieses umfasst zwei längliche, im Wesentlichen rechteckig ausgebildete, im Abstand A zueinander angeordnete Platten 6 und 7, deren äußeren Plattenhauptflä chen 8 sich parallel zueinander erstreckende Außenflächen des Bauelemen- tes 1 bilden, sowie zwei beabstandet voneinander angeordnete Abstands stege 9, die sich in Plattenlängsrichtung zwischen den beiden Platten 6 und 7 erstrecken und diese miteinander verbinden. Das Bauelement 1 weist eine Tiefe T auf, die bevorzugt im Bereich von 100 mm bis 350 mm liegt. Die Platten 6 und 7 haben vorliegend eine einheitliche Plattenbreite B und eine einheitliche Plattenstärke S. Die Plattenbreite B liegt bevorzugt im Bereich von 200 mm bis 400 mm, die Plattenstärke S bevorzugt im Bereich von 8 mm bis 15 mm. Die Plattenlänge L beträgt wenigstens 2.200 mm, bevorzug we nigstens 2.400 mm. Die Plattenlänge L der Platte 6 ist dabei größer als die der Platte 7, so dass die Platte 6 einseitig von der Platte 7 um ein Maß vor- steht, dass bevorzugt der Tiefe T der zweiten Bauelemente 2 entspricht, siehe hierzu Figur 3. Zur lösbaren formschlüssigen Befestigung eines ersten Bauelements 1 an einem benachbart angeordneten ersten Bauelement 1 ist jede Plattenlängskante 10 der Platten 6 und 7 mit einer eine Abstufung 11 bildenden, sich über die gesamte Länge der entsprechenden Plattenlängs- kante erstreckenden Aussparung 12 versehen, wobei die Aussparungen 12 komplementär zueinander ausgebildet sind, in Plattenlängsrichtung einen konstanten Querschnitt haben und eine Aussparungstiefe t aufweisen, die ausgehend von der entsprechenden Plattenlängskante 10 in Einwärtsrich tung vorliegend kontinuierlich zunimmt. Die sich entlang einer ersten Bau- elementlängsseite erstreckenden Aussparungen 12 weisen dabei zueinan der, während die sich entlang der gegenüberliegenden zweiten Bauelement längsseite erstreckenden Aussparungen 12 voneinander weg weisen. Der Grund 13 jeder Aussparung 12 schließt mit der äußeren Plattenhauptfläche 8 einen Winkel a im Bereich von 4° bis 18° ein, bevorzugt einen Winkel a im Bereich von 4° bis 12°, insbesondere einen Winkel a im Bereich von 7° bis 10°. Die beiden Platten 6 und 7 sind in Richtung ihrer Plattenbreite B versetzt zueinander angeordnet, wobei die Breite b der Aussparungen 12 dem Ver satz entspricht, den die Platten 6 und 7 in Richtung ihrer Plattenbreite B aufweisen. Die Figuren 7 und 8 zeigen die geometrische Beziehung, die den Winkel a ergibt. Wird - die Vorderansicht des Bauteils 1 oder 2 betrachtend - bezogen auf die zueinander weisenden Aussparungen 12 eines Bauele ments 1 , 2 ausgehend von der äußeren Innenkante 29 der Platte 6, die ge genüber der äußeren Innenkante 30 der Platte 7 um das Maß b zurückver setzt angeordnet ist, ein Kreisbogen 31 gezogen, der die Platte 7 senkrecht zur Plattenhaupterstreckungsebene auf mittlerer Plattenstärke s schneidet, wie es durch den Punkt 32 gekennzeichnet ist, so bildet die Tangente, die etwa auf mittlerer Nutbreite b/2 am Punkt 33 an den Keisbogen 31 angelegt wird, den Nutgrund 13. Vergleicht man die Figuren 7 und 8 miteinander, so wird deutlich, dass der Winkel a abnimmt, je weiter die Innenkanten 29 und 30 voneinander beabstandet sind. Unter Einhaltung dieser geometrischenThe figures show a system according to an embodiment of the present invention which can be used to erect building walls, ceilings and / or roofs. The system comprises, as main components, a large number of identically designed first components 1, a large number of identically designed second components 2, base strips 3 and corner elements 4. Figures 1 to 3 show views of a first component 1. This comprises two elongated, essentially rectangular plates 6 and 7 arranged at a distance A from one another, the outer main plate surfaces 8 of which form outer surfaces of the structural element 1 extending parallel to one another two spaced apart spacer webs 9, which extend in the plate longitudinal direction between the two plates 6 and 7 and connect them to one another. The component 1 has a depth T which is preferably in the range from 100 mm to 350 mm. The panels 6 and 7 in the present case have a uniform panel width B and a uniform panel thickness S. The panel width B is preferably in the range from 200 mm to 400 mm, the panel thickness S preferably in the range from 8 mm to 15 mm. The plate length L is at least 2,200 mm, preferably we least 2,400 mm. The plate length L of the plate 6 is greater than that of the plate 7, so that the plate 6 protrudes on one side from the plate 7 by an amount that preferably corresponds to the depth T of the second components 2, see FIG Form-fitting attachment of a first component 1 to an adjacent first component 1, each panel longitudinal edge 10 of panels 6 and 7 is provided with a recess 12 forming a step 11 and extending over the entire length of the corresponding panel longitudinal edge, the recesses 12 being complementary to one another are formed, have a constant cross section in the longitudinal direction of the plate and have a recess depth t which, starting from the corresponding longitudinal edge 10 of the plate, increases continuously in the inward direction in the present case. The recesses 12 extending along a first component longitudinal side point towards one another, while the recesses 12 extending along the opposite second component point away from one another. The base 13 of each recess 12 forms an angle a in the range from 4 ° to 18 ° with the outer main plate surface 8, preferably an angle a in the range from 4 ° to 12 °, in particular an angle a in the range from 7 ° to 10 °. The two plates 6 and 7 are offset from one another in the direction of their plate width B, the width b of the recesses 12 corresponding to the offset that the plates 6 and 7 have in the direction of their plate width B. FIGS. 7 and 8 show the geometrical relationship which results in the angle α. Is - looking at the front view of component 1 or 2 - based on the mutually facing recesses 12 of a compo element 1, 2 starting from the outer inner edge 29 of the plate 6, the ge compared to the outer inner edge 30 of the plate 7 sets zurückver by the amount b is arranged, a circular arc 31 is drawn, which intersects the plate 7 perpendicular to the main plane of extension of the plate at an average plate thickness s , as indicated by the point 32, then forms the tangent, which is approximately at the middle groove width b / 2 at the point 33 on the circular arc 31 is applied, the groove base 13. Comparing Figures 7 and 8 with one another, it becomes clear that the angle α decreases the further the inner edges 29 and 30 are spaced from one another. In compliance with this geometric
Beziehung - geringfügige Abweichungen innerhalb eines Toleranzbereichs sind möglich - können zwei Bauteile 1, 2, wie es in Figur 2 gezeigt ist, im Rahmen einer Schwenkbewegung einfach miteinander rastend verbunden werden. Dank der Elastizität des Materials und der keilartig aufeinandern angeordnete Nutgründe 13 können witterungsbedingte und/oder thermische Dehnungen kompensiert werden. Die Abstandsstege 9 sind vorliegend unter Verwendung von Nutkeilen 14 mit den jeweiligen Platten 6 und 7 verbunden, wobei grundsätzlich auch andere Verbindungsarten möglich sind. Zusätzlich zu den Abstandsstegen 9 sind die Platten 6 und 7 vorliegend ferner unter Verwendung von zwischen den Abstandsstegen 9 angeordneten Spreizstif ten 15 miteinander verbunden, wodurch die ersten Bauelemente 1 insgesamt eine sehr hohe Stabilität erhalten. Die Kanten von zwei in Richtung der Tiefe T des Bauelementes 1 gegenüberliegenden Abstufungen 12 sind vorteilhaft mit einem Dichtungsband 16 versehen, das sich über die gesamte Kanten- länge erstreckt. Die längere Platte 6 des ersten Bauelementes 1 ist an ihrer ersten Stirnseite 17 außen mit einer sich über die gesamte Plattenbreite B erstreckenden Fase 18 versehen, während die erste Stirnseite 17 der Platte 7 eben ausgebildet ist. Die zweiten Stirnseiten 19 beider Platten 6 und 7 sind mit zueinander weisenden, sich entlang der gesamten Plattenbreite B der Platten 6, 7 erstreckenden Vertiefungen 20 versehen. Ferner weist die untere Stirnseite 19 der Platte 6 einen komplementär zur Fase 18 ausgebildeten, abwärts vorstehenden Vorsprung 21 auf. Das erste Bauelement 1 dient, wie es nachfolgend unter Bezugnahme auf Figur 3 noch näher erläutert wird, zur Errichtung einer Gebäudewand 22. Relationship - slight deviations within a tolerance range are possible - two components 1, 2, as shown in FIG. 2, can simply be connected to one another in a latching manner within the scope of a pivoting movement. Thanks to the elasticity of the material and the groove bases 13 arranged one on top of the other like a wedge, weather-related and / or thermal expansions can be compensated. In the present case, the spacer webs 9 are connected to the respective plates 6 and 7 using slot wedges 14, with other types of connection also being possible in principle. In addition to the spacer webs 9, the plates 6 and 7 are presently also connected to one another using Spreizstif th 15 arranged between the spacer webs 9, whereby the first components 1 are given a very high overall stability. The edges of two steps 12 opposite one another in the direction of the depth T of the component 1 are advantageously provided with a sealing tape 16 which extends over the entire length of the edge. The longer plate 6 of the first component 1 is on her The first end face 17 is provided on the outside with a bevel 18 extending over the entire plate width B, while the first end face 17 of the plate 7 is flat. The second end faces 19 of both plates 6 and 7 are provided with recesses 20 facing one another and extending along the entire plate width B of the plates 6, 7. Furthermore, the lower end face 19 of the plate 6 has a downwardly protruding projection 21 that is complementary to the bevel 18. As will be explained in greater detail below with reference to FIG. 3, the first component 1 serves to erect a building wall 22.
Der Aufbau des in den Figuren 1 bis 3 dargestellten zweiten Bauelementes 2, das zur Errichtung einer Gebäudedecke 23 dient, entspricht im Wesentli chen demjenigen des ersten Bauelementes 1 , weshalb die Figuren 1 und 2 sowohl das erste Bauelement 1 als auch das zweite Bauelement 2 zeigen, da die gewählten Querschnittansichten identisch sind. Ein Unterschied be steht darin, dass die Platten 6 und 7 des Bauelementes 2, wie es in Figur 3 gezeigt ist, gleich lang sind. Ferner sind Platten 6 und 7 des Bauelementes 2 länger als die des Bauelementes 1, um eine vorab gewählte Raumbreite vollständig überspannen zu können. Darüber hinaus sind die Stirnseiten 17 und 19 der Platten 6 und 7 jeweils eben ausgebildet. The structure of the second component 2 shown in FIGS. 1 to 3, which is used to erect a building ceiling 23, essentially corresponds to that of the first component 1, which is why FIGS. 1 and 2 show both the first component 1 and the second component 2 , because the selected cross-sectional views are identical. One difference is that the plates 6 and 7 of the component 2, as shown in FIG. 3, are of the same length. Furthermore, plates 6 and 7 of component 2 are longer than those of component 1 in order to be able to completely span a previously selected room width. In addition, the end faces 17 and 19 of the plates 6 and 7 are each flat.
Die Bodenleisten 3 weisen eine dem Abstand zwischen den Platten 6 und 7 der Bauelemente 1 im Bereich der Vertiefungen 20 entsprechende Breite auf. Sie umfassen eine plane Unterseite 24. An der Oberseite ist ein mittig posi- tionierter, sich in Längsrichtung erstreckender, aufwärts vorstehender Absatz 25 vorgesehen, dessen Breite dem Abstand A zwischen den Platten 6 und 7 entspricht. Entsprechend können die mit den Vertiefungen 20 versehenen Stirnseiten 19 der Bauelemente 1 formschlüssig auf den Absatz 25 aufge setzt werden. Alternativ ist es beispielsweise aber auch möglich, alle Stirn- seiten 17 und 19 der Platten 6 und 7 des ersten Bauelementes 1 eben aus- zubilden, also ohne Fase 18 und ohne Vertiefungen 20. In diesem Fall kann die Bodenleiste eine rechteckigen Querschnitt mit einer Breite aufweisen, die dem Abstand A zwischen den Platten 6 und 7 entspricht. Die Eckelemente 4, von denen eines in Figur 6 gezeigt ist, weisen vier Plat ten 6, 7 auf, von denen jeweils zwei L-förmig angeordnet und die L-förmigen Anordnungen unter Verwendung von Abstandsstegen 9 miteinander ver bunden sind. Die Positionierung, die Länge L und die Stärke S der Platten 6 und 7 sind an Positionierung, die Länge L und die Stärke S der Platten 6 und 7 der ersten Bauelemente 1 angepasst. Die freien Plattenlängskanten 10 der Eckelemente 4 sind derart komplementär zu den Plattenlängskanten 10 der ersten Bauelemente 1 angeordnet und ausgebildet, dass zwei Bauelemente 1 mit einem Eckelement 4 lösbar verbunden werden können. Der Winkel zwischen den Platten 6 ist zur Erhöhung der Festigkeit des Eckelementes 4 mit einem Kantholz 26 verstärkt. Die jeweiligen Verbindungen zwischen den Platten 6, 7, den Abstandsstegen 9 und dem Kantholz 26 sind vorliegend analog zum ersten Bauelement 1 über in Figur 6 nicht näher dargestellte Nutkeile 14 realisiert. Die Platten 6, 7, die Abstandsstege 9, die Nutkeile14, die Spreizstifte 15 und die Kanthölzer 26 weisen vorliegend alle Holz auf, wobei die Platten 6, 7 und die Abstandsstege 9 aus Spanplatten hergestellt sind. The base strips 3 have a width corresponding to the distance between the plates 6 and 7 of the components 1 in the region of the depressions 20. They comprise a flat underside 24. A centrally positioned, longitudinally extending, upwardly projecting shoulder 25 is provided on the upper side, the width of which corresponds to the distance A between the plates 6 and 7. Correspondingly, the end faces 19 of the components 1 provided with the depressions 20 can be placed on the shoulder 25 in a form-fitting manner. Alternatively, however, it is also possible, for example, for all of the end faces 17 and 19 of the plates 6 and 7 of the first component 1 to be flat. form, that is to say without a bevel 18 and without recesses 20. In this case, the base strip can have a rectangular cross section with a width which corresponds to the distance A between the plates 6 and 7. The corner elements 4, one of which is shown in Figure 6, have four plates 6, 7, two of which are arranged in an L-shape and the L-shaped arrangements are connected to one another using spacer bars 9. The positioning, the length L and the thickness S of the plates 6 and 7 are adapted to the positioning, the length L and the thickness S of the plates 6 and 7 of the first structural elements 1. The free longitudinal panel edges 10 of the corner elements 4 are arranged and designed complementary to the longitudinal panel edges 10 of the first structural elements 1 in such a way that two structural elements 1 can be detachably connected to one corner element 4. The angle between the plates 6 is reinforced with a square timber 26 to increase the strength of the corner element 4. The respective connections between the plates 6, 7, the spacer webs 9 and the squared timber 26 are implemented in the present case analogously to the first structural element 1 by means of slot wedges 14 (not shown in detail in FIG. The plates 6, 7, the spacer webs 9, the slot wedges 14, the expanding pins 15 and the squared timbers 26 in the present case all have wood, the plates 6, 7 and the spacer webs 9 being made from chipboard.
Zum Errichten einer Gebäudewand wird unter Bezugnahme auf Figur 3 in einem ersten Schritt eine Bodenleiste 4 am Untergrund 27 montiert, insbe sondere unter Verwendung nicht näher dargestellter Befestigungsschrauben und zugehöriger Dübel. Anschließend wird ein erstes der ersten Bauele mente 1 mit seinen zweiten Stirnseiten 19 voran auf die Bodenleiste 3 auf gesetzt, wobei die längere Platte 6 nach außen weisend angeordnet wird. Anschließend wird ein zweites der ersten Bauelemente 1 in gleicher Aus- richtung an das bereits montierte Bauelement 1 , wie es in Figur 2 gezeigt ist, angesetzt, im Rahmen einer Schwenkbewegung in Richtung des Pfeils 28 mit diesem formschlüssig verrastet und dann auf die Bodenleiste 3 abge senkt. Daraufhin werden weitere erste Bauelemente 1 in gleicher Weise montiert, bis die gewünschte Länge der Gebäudewand 22 erreicht ist. Ecken, die zwei senkrecht zueinander angeordnete Gebäudewände 22 miteinander verbinden, werden, auch wenn dies in Figur 3 nicht dargestellt ist, unter Verwendung der Eckelemente 4 realisiert. Für den Eckbereich können die entsprechenden Bodenleisten 3 auf Gehrung geschnitten werden. Nach der Montage der Gebäudewände 22 einer Etage können die durch Platten 6, 7 und Abstandsstege 9 gebildete Zwischenräume auf der Baustelle mit Dämmmaterial gefüllt werden, insbesondere mit einem schüttfähigen Dämm stoff. Anschließend werden die zweiten Bauelemente 2 zur Errichtung der Gebäu dedecke 23 montiert, indem sie einfach auf die ersten Stirnseiten 17 einan der gegenüber montierter erster Bauelemente 1 aufgelegt und in der zuvor beschriebenen Weise untereinander formschlüssig verbinden werden. Zur Errichtung einer weiteren Etage werden dann wieder die entsprechenden Gebäudewände 22 in der zuvor beschriebenen Weise montiert. Hierbei grei fen die Vorsprünge 21 der Platten 6 der ersten Bauelemente 1 in die Fasen 18 der Platten 6 der darunter angeordneten ersten Bauelemente 1. Während der Montage der Gebäudewände 22, der Gebäudedecken 23 und ggf. eines Gebäudedaches unter Verwendung des erfindungsgemäßen Sys tems ist kein Kran erforderlich, da sich sämtliche Komponenten des Systems aufgrund des vergleichsweise geringen Eigengewichts von einer oder ggf. von zwei Personen manuell handhaben lassen. Es sei darauf hingewiesen, dass das zuvor beschriebene System nur als Beispiel dient und nicht als einschränkend zu verstehen ist. Vielmehr sind Modifikationen und Änderungen möglich, ohne den durch die beiliegenden Ansprüche definierten Schutzbereich zu verlassen. To erect a building wall, with reference to FIG. 3, in a first step a baseboard 4 is mounted on the substrate 27, in particular using fastening screws and associated dowels that are not shown in detail. Subsequently, a first of the first compo elements 1 is set with its second end faces 19 first on the baseboard 3, the longer plate 6 being arranged facing outwards. Then a second one of the first components 1 in the same configuration Direction of the already assembled component 1, as shown in Figure 2, attached, locked in a form-fitting manner with this in the context of a pivoting movement in the direction of the arrow 28 and then lowered onto the bottom strip 3. Then further first components 1 are mounted in the same way until the desired length of the building wall 22 is reached. Corners which connect two building walls 22 arranged perpendicular to one another are implemented using corner elements 4, even if this is not shown in FIG. The corresponding baseboards 3 can be mitred for the corner area. After the building walls 22 of a floor have been assembled, the spaces formed by plates 6, 7 and spacer bars 9 can be filled with insulating material on the construction site, in particular with a pourable insulating material. Subsequently, the second components 2 are mounted to erect the building ceiling 23 by simply placing them on the first end faces 17 of the first components 1 mounted opposite and connecting them to one another in a form-fitting manner in the manner described above. To set up a further floor, the corresponding building walls 22 are then reassembled in the manner described above. Here, the projections 21 of the panels 6 of the first components 1 grasp into the chamfers 18 of the panels 6 of the first components 1 arranged below. During the assembly of the building walls 22, the building ceilings 23 and possibly a building roof using the system according to the invention, there is no A crane is required because all the components of the system can be handled manually by one or, if necessary, two people due to their comparatively low weight. It should be noted that the system described above serves only as an example and is not to be understood as restrictive. Rather, modifications and changes are possible without departing from the scope of protection defined by the appended claims.
Bezugszeichenliste List of reference symbols
1 Bauelement 1 component
2 Bauteil 3 Bodenleiste 2 component 3 baseboard
4 Bodenleiste 4 baseboard
6 Platte 6 plate
7 Platte 7 plate
8 Plattenhauptfläche 9 Abstandsstege8 main plate surface 9 spacer bars
10 Plattenlängskante10 panel long edge
11 Abstufung 11 gradation
12 Abstufungen 12 levels
13 Nutgründe 14 Nutkeile 13 groove bases 14 groove wedges
15 Spreizstiften 15 expanding pins
16 Dichtungsband16 sealing tape
17 Stirnseite 17 front side
18 Fasen 19 Stirnseite 18 chamfers 19 face
20 Vertiefungen 20 wells
21 Vorsprung 21 head start
22 Gebäudewand22 building wall
23 Gebäudedecke 24 Unterseite 23 Building ceiling 24 underside
25 Absatz 25 paragraph
26 Kanthölzer 26 squared timbers
27 Untergrund 27 underground
28 Pfeils 29 Innenkante Innenkante Kreisbogen Punkt Punkt 28 arrow 29 inside edge Inner edge of arc point point

Claims

Ansprüche 1. System zum Errichten von Gebäudewänden (22), -decken (23) und/oder -dächern, umfassend eine Vielzahl identischer Bauelemente (1, 2), die jeweils zumindest zwei längliche, im Wesentlichen rechteckig ausgebil dete, eine einheitliche Breite (B) aufweisende Platten (6, 7), deren äußere Plattenhauptflächen (8) sich parallel zueinander erstrecken und Außenflä- chen des Bauelements (1, 2) bilden, und Abstandsstege (9) aufweisen, wel che die Platten (6, 7) miteinander verbinden, wobei zur lösbaren formschlüs sigen Befestigung des Bauelements (1, 2) an benachbart angeordneten Bauelementen (1, 2) jede Plattenlängskante (10) mit einer eine Abstufung (11) bildenden, sich über die gesamte Länge der Plattenlängskante (10) er- streckenden Aussparung (12) versehen ist, wobei die Aussparungen (12) komplementär zueinander ausgebildet sind, in Plattenlängsrichtung einen konstanten Querschnitt haben und eine Aussparungstiefe (t) aufweisen, die ausgehend von der Platten- längskante (10) in Einwärtsrichtung zunimmt, wobei die sich entlang einer ersten Bauelementlängsseite erstrecken den Aussparungen (12) zueinander weisen und die sich entlang der gegenüberliegenden zweiten Bauelementlängsseite erstreckenden Aussparungen (12) voneinander weg weisen, und wobei die Platten (6, 7) in Richtung ihrer Plattenbreite (B) versetzt zu einander angeordnet sind. Claims 1. System for erecting building walls (22), ceilings (23) and / or roofs, comprising a plurality of identical structural elements (1, 2), each of which has at least two elongated, substantially rectangular shaped, a uniform width ( B) having plates (6, 7), the outer main plate surfaces (8) of which extend parallel to one another and form outer surfaces of the component (1, 2), and have spacer webs (9), wel che the plates (6, 7) together connect, with each plate longitudinal edge (10) forming a step (11) and extending over the entire length of the plate longitudinal edge (10) for the releasable positive fastening of the component (1, 2) to adjacent components (1, 2) extending recess (12) is provided, wherein the recesses (12) are designed to be complementary to each other, have a constant cross-section in the longitudinal direction of the plate and have a recess depth (t) which, starting from the longitudinal edge (10) of the plate, in increases in the upward direction, with the recesses (12) extending along a first longitudinal side of the component facing each other and the recesses (12) extending along the opposite second longitudinal side of the component facing away from each other, and the panels (6, 7) in the direction of their panel width (B ) are arranged offset to one another.
2. System nach Anspruch 1 , dadurch gekennzeichnet, dass die Ausspa rungstiefe (t) kontinuierlich zunimmt. 2. System according to claim 1, characterized in that the recess depth (t) increases continuously.
3. System nach Anspruch 2, dadurch gekennzeichnet, dass der Grund (13) jeder Aussparung (12) mit der äußeren Plattenhauptfläche (8) einen3. System according to claim 2, characterized in that the base (13) of each recess (12) with the outer main plate surface (8) one
Winkel (a ) im Bereich von 4° bis 18° einschließt, bevorzugt einen Winkel (a ) im Bereich von 4° bis 12°, insbesondere einen Winkel (a ) im Bereich von 7° bis 10°. Angle (a) in the range from 4 ° to 18 °, preferably an angle (a) in the range from 4 ° to 12 °, in particular an angle (a) in the range from 7 ° to 10 °.
4. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die jeweilige Breite (b) der Aussparungen (12) dem Ver satz entspricht, den die Platten (6, 7) in Richtung ihrer Plattenbreite (B) auf weisen. 4. System according to one of the preceding claims, characterized in that the respective width (b) of the recesses (12) corresponds to the offset that the plates (6, 7) have in the direction of their plate width (B).
5. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Abstandsstege (9) eines Bauelementes (1 , 2) unter Verwendung von Nutkeilen (14) mit den Platten (6, 7) verbunden sind. 5. System according to one of the preceding claims, characterized in that the spacer webs (9) of a component (1, 2) are connected to the plates (6, 7) using slot wedges (14).
6. System nach einem der vorhergehenden Ansprüche, dadurch ge- kennzeichnet, dass die Platten (6, 7) eines Bauelementes (1, 2) unter Ver wendung von Spreizstiften (15) miteinander verbunden sind. 6. System according to one of the preceding claims, characterized in that the plates (6, 7) of a component (1, 2) are connected to one another using expanding pins (15).
7. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Platten (6, 7) und/oder die Abstandsstege (9) und/oder die Nutkeile (14) und/oder die Spreizstifte (15) Holz aufweisen, wobei die Platten (6, 7) und/oder die Abstandsstege (9) insbesondere aus Spanplatten hergestellt sind. 7. System according to one of the preceding claims, characterized in that the plates (6, 7) and / or the spacer webs (9) and / or the slot wedges (14) and / or the expanding pins (15) comprise wood, the plates (6, 7) and / or the spacer bars (9) are made in particular from chipboard.
8. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kanten zumindest einiger Abstufungen (11) mit ei nem Dichtungsband (16) versehen sind. 8. System according to one of the preceding claims, characterized in that the edges of at least some gradations (11) are provided with a sealing tape (16).
9. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Platten (6, 7) eine Länge (L) von wenigstens 2.200 mm und/oder eine Breite (B) im Bereich von 200 mm bis 400 mm aufweisen. 9. System according to one of the preceding claims, characterized in that the plates (6, 7) have a length (L) of at least 2,200 mm and / or a width (B) in the range from 200 mm to 400 mm.
10. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Bauelemente (6, 7) eine Tiefe (T) im Bereich von 100 mm bis 350 mm aufweisen. 10. System according to one of the preceding claims, characterized in that the components (6, 7) have a depth (T) in the range from 100 mm to 350 mm.
11. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Länge (L) der Platten (6, 7) eines Bauelements (1) verschieden ist, wobei die Längendifferenz bevorzugt im Bereich von 100 mm bis 350 mm liegt. 11. System according to one of the preceding claims, characterized in that the length (L) of the plates (6, 7) of a component (1) is different, the difference in length preferably being in the range from 100 mm to 350 mm.
12. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dieses Bodenleisten (3) aufweist, deren Abmessungen derart gewählt sind, dass die Bauelemente (1) mit ihren kurzen Stirnseiten (19) formschlüssig auf diese aufgesetzt werden können. 12. System according to one of the preceding claims, characterized in that this base strips (3), the dimensions of which are selected such that the components (1) with their short end faces (19) can be positively placed on them.
13. System nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dieses zur Ausbildung von Raumecken Eckelemente (4) aufweist, wobei jedes Eckelement (4) vier Platten (6, 7) aufweist, von denen jeweils zwei L-förmig angeordnet und die L-förmigen Anordnungen unter Verwendung von Abstandsstegen (9) miteinander verbunden sind, und wobei die freien Plattenlängskanten (10) derart komplementär zu den Plattenlängskanten (10) der Bauelemente (1, 2) angeordnet und aus gebildet sind, dass zwei Bauelemente mit einem Eckelement (4) lös- bar verbunden werden können. 13. System according to one of the preceding claims, characterized in that it has corner elements (4) to form corners of the room, each corner element (4) having four plates (6, 7), two of which are arranged in an L-shape and the L. -shaped arrangements are connected to one another using spacer bars (9), and wherein the free longitudinal panel edges (10) are arranged and formed complementary to the longitudinal panel edges (10) of the components (1, 2) such that two components can be detachably connected to a corner element (4).
14. Verfahren zum Errichten von Gebäudewänden (22), -decken (23) und/oder -dächern unter Verwendung eines Systems nach einem der vor hergehenden Ansprüche, bei dem zueinander weisende Plattenlängskanten (10) benachbarter Bauelemente (1, 2) ohne zusätzliche Befestigungsmittel formschlüssig miteinander verbunden werden. 14. A method for erecting building walls (22), ceilings (23) and / or roofs using a system according to one of the preceding claims, in which mutually facing panel longitudinal edges (10) of adjacent components (1, 2) without additional fasteners be positively connected to each other.
15. Verfahren nach Anspruch 14, dadurch gekennzeichnet, dass durch Platten (6, 7) und Abstandsstege (9) gebildete Zwischenräume auf der Bau- stelle mit Dämmmaterial gefüllt werden. 15. The method according to claim 14, characterized in that spaces formed by plates (6, 7) and spacer webs (9) on the construction site are filled with insulating material.
EP20833707.1A 2020-01-07 2020-12-18 System and method for erecting walls, ceilings and/or roofs of buildings Active EP4087984B1 (en)

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PCT/EP2020/087122 WO2021140009A1 (en) 2020-01-07 2020-12-18 System and method for erecting walls, ceilings and/or roofs of buildings

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