EP4343079A2 - Wandverbindungsbeschlag mit integrierter schalung - Google Patents

Wandverbindungsbeschlag mit integrierter schalung Download PDF

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Publication number
EP4343079A2
EP4343079A2 EP24156202.4A EP24156202A EP4343079A2 EP 4343079 A2 EP4343079 A2 EP 4343079A2 EP 24156202 A EP24156202 A EP 24156202A EP 4343079 A2 EP4343079 A2 EP 4343079A2
Authority
EP
European Patent Office
Prior art keywords
wall
wires
threads
warp
weft
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.)
Pending
Application number
EP24156202.4A
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English (en)
French (fr)
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EP4343079A3 (de
Inventor
Pierre Fehr
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Fehr Groupe SAS
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Fehr Groupe SAS
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Filing date
Publication date
Application filed by Fehr Groupe SAS filed Critical Fehr Groupe SAS
Publication of EP4343079A2 publication Critical patent/EP4343079A2/de
Publication of EP4343079A3 publication Critical patent/EP4343079A3/de
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
    • E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts

Definitions

  • the present invention relates to the field of construction of a building, and relates to a set of frames comprising a wall connection frame of a wall with integrated formwork, and to a wall with integrated formwork comprising such a set of reinforcements, a method of producing such a wall with integrated formwork, and to a construction wall comprising such a wall with integrated formwork.
  • Metal meshes are used in many technical fields.
  • the document GB1524824 describes a corrugated trellis, having crests and troughs, and comprising longitudinal wires, parallel to each other, and connected together by transverse wires parallel to each other, all fixed on one side of the longitudinal wires.
  • the document FR 466 945 describes structural parts, formed of an armature forming a mesh, having a corrugated profile, with protruding prisms or re-entrant troughs, and supporting a lattice screen, closing the large meshes of the armature, and making it possible to retain the concrete on the structural members, the trellis passing alternately below and above the elements forming the frame.
  • the document BE1012524 describes a three-dimensional structure for internal reinforcement of a concrete panel, comprising metal wires, folded into a sinusoid, of trapezoidal shape, and connected by rectilinear wires, in particular welded in the bases of the trapezoids.
  • the document CA1 145228 describes a reinforcement structure for a concrete wall, made of an internal three-dimensional lattice, in the shape of battlements, welded on either side to two flat lattices, the chain wires of the three lattices, superimposed.
  • the weft wires of each flat lattice are positioned either towards the outside or inside of the reinforcing structure, and positioned in the center, and on, each horizontal portion of the slots, the lattice internal three-dimensional which can also include a single weft thread, arranged in the center, and on, each horizontal portion of the slots.
  • prefabricated construction elements which are then transported to the construction site.
  • Such elements can be walls with integrated formwork, or MCI, also called “pre-walls”, or even slabs, called “pre-slabs”.
  • Walls with integrated formwork act as formwork for the construction of the final wall, and are an integral part of the final wall. They usually include two walls, also called “skins”, generally made of concrete, and reinforced by a flat welded metal mesh. The walls face each other, substantially parallel to each other, and are kept at a distance from each other by at least one connecting frame, preferably metallic, made or comprising reinforcing elements, beams or metal stiffeners, the space between the two walls being intended to receive a material that can be poured, such as concrete or an insulating material, in order to form a definitive wall.
  • connecting frame preferably metallic, made or comprising reinforcing elements, beams or metal stiffeners
  • a wall comprising a reservation, namely a wall whose wall is not solid, but comprising a cavity in anticipation of the passage of a conduit or the installation of a door or a window, it It is necessary that the connecting reinforcement be interrupted to form an opening adapted to said reservation.
  • a wall with integrated formwork is produced by implementing a step of making a first wall of the wall, by pouring concrete onto a reinforcing frame, generally a first flat metal mesh, and a first portion of several stiffening elements acting as connecting reinforcements, then hardening the concrete, usually in an oven. Then, the second wall is made by pouring concrete onto a second flat metal mesh. After placing the first wall facing and above the second wall, another portion of the stiffening elements is embedded in the fresh concrete of the second wall, then the concrete is hardened.
  • stiffening elements in addition to being time-consuming, increases the risk of incorrect installation of the stiffening elements at the level of the walls, or, at least, increases the risk of 'an installation outside of acceptable tolerances.
  • the stiffening elements ensure the structural resistance of the final wall, in particular during its construction on the construction site.
  • the stiffening elements undergo significant stresses, which lead to the tearing of the part of the connecting reinforcement embedded in the walls, and lead to the tearing of portions of concrete from the formwork walls, and therefore to breakdowns in the integrity of these last.
  • the present invention aims to provide a set of frames of a construction element comprising a connecting frame of at least two walls of a wall with integrated formwork, a wall with integrated formwork comprising such an assembly, a wall comprising a such a wall with integrated formwork, and a method of producing such a wall with integrated formwork, which do not present the disadvantages of the state of the art.
  • the present invention aims to provide an alternative to existing solutions of the state of the art.
  • the present invention aims to provide a set of reinforcements of a construction element, conferring improved resistance to the wall with integrated formwork, and to the wall produced using the wall with integrated formwork, in particular during, and after, casting a masonry material, for example concrete, or the filling material of the wall with integrated formwork.
  • the present invention aims to provide a wall with integrated formwork having an improved quality of production.
  • the present invention also aims to provide a method for producing a wall with integrated formwork which is easy to implement, not very time-consuming, and requires little labor.
  • the present invention relates to a set of frames of a construction element comprising at least two walls, the assembly comprising a connecting frame, walls and one or more internal wall reinforcement frames, which is not or are not directly linked to the connecting frame, the connecting frame comprising raised warp wires, comprising a succession of lower portions and upper portions, separated by lateral segments, forming upper bends and lower bends , a multitude of weft threads, substantially rectilinear and extending substantially perpendicular to said warp threads, a first series of two weft threads provided in, or near, upper bends and connecting the warp threads together at the level of their portions upper, and at least a second series of two weft threads provided in, or near, lower bends and connecting the warp threads together at their lower portions, and the internal wall reinforcement(s), being or comprising, a flat lattice comprising warp threads, and weft threads extending substantially perpendicular to the warp threads and connecting the warp threads together.
  • the present invention also relates to the use of the set of reinforcements according to the invention, for the production of a wall with integrated formwork.
  • the present invention further relates to a wall with integrated formwork comprising at least two walls made of, or comprising, a material, or assembly of materials, of masonry, the wall with integrated formwork comprising the set of frames according to the invention.
  • the present invention also relates to a wall of a construction comprising the wall with integrated formwork according to the invention.
  • the first trellis, the second trellis and the connecting reinforcement are arranged so that the warp threads and the weft threads of the trellises extend, according to the X-X' axis and respectively the Z-Z' axis, substantially in the same plane as that of the upper portions and respectively the lower portions of the chain wires of the connecting frame.
  • the terms “height”, “base”, “above”, “below”, “upper”, “lower”, “vertical” and “horizontal” refer to the normal position of use of the set of frames according to the invention, and of the elements which constitute it, and in particular in its position, or their position, according to an XYZ reference frame, as represented in figures 1 to 6 .
  • the invention is described for a construction element which is a wall with integrated formwork, used for the creation of a concrete wall, but it can also relate to a pre-slab, a concrete slab, or any other construction element comprising, preferably, walls, provided with internal reinforcing frames.
  • the connecting frame 1 is described, as such, using the figures 1 to 6 , in which the components of the construction element, in particular the walls of the wall with integrated formwork, or of the preslab, are not represented.
  • the connecting frame 1 comprises, or is, a three-dimensional relief structure, namely a structure which extends substantially in the three dimensions of space, along the axes X'-X, Y' -Y and Z'-Z of the XYZ reference frame ( figure 1 ). It is capable of ensuring, and in place in the construction element, it ensures the connection, the physical, mechanical junction, between the two walls forming a wall with integrated formwork, by extending into the space separating the two walls from the wall.
  • the connecting frame 1 according to the invention has the advantage of giving the construction element which comprises it an improved quality of construction, which cannot be provided by the use of a multitude of independent stiffening elements. .
  • the connecting frame 1 has a general shape, in the XZ plane, and dimensions, which are adapted to, in any event a function of, the shape and dimensions of the wall with integrated formwork which it integrated and those of the final wall.
  • the connecting frame 1 is described with reference to the figures 1, 2 And 6 , in which it has a general shape, in the plane XZ, which is polygonal, preferably the shape of a quadrilateral, advantageously of a parallelogram, even more advantageously of a right-angled parallelogram.
  • the connecting frame 1 has a general shape, in the X-Y plane, in the form of crenellations. It has a longitudinal section, along the axis ⁇ ), or substantially in the shape of the letter “omega” in its capital form.
  • the connecting reinforcement 1 has symmetry with respect to the Y-Z plane, or the X-Y plane, or the X-Z plane, or any combination of these planes.
  • the connecting frame 1 comprises a multitude of warp threads 2 and a multitude of weft threads 3, 4 and 5, which are linked to the warp threads 2 by any suitable means, preferably by welding.
  • the connecting frame 1 comprises a single type of warp wires 2, which are in relief or form reliefs.
  • the connecting frame 1 does not include additional chain wires which would be entirely rectilinear, or entirely flat.
  • all the warp wires 2 of the connecting frame extend longitudinally, along the axis U” inverted, from the letter “omega” in its capital form ( ⁇ ), or substantially in the shape of the letter “omega” in its capital form.
  • Each warp thread 2 comprises portions 6, called “lower”, preferably planar, which are succeeded by other portions 7, called “upper”, preferably planar, which all advantageously extend in a substantially horizontal plane, parallel or substantially parallel to the plane XZ, and on either side of a median plane P, which is parallel or substantially parallel to the plane Figure 3 ).
  • the lower portions 6 and the upper portions 7 are substantially planar, or rectilinear, extending substantially horizontally, in a plane substantially parallel to the X-Z plane.
  • Each upper portion 7 is separated from each lower portion 6 by two lateral segments 8 and 9, extending substantially vertically, perpendicularly or obliquely, relative to the portions 6 and 7, and form with the latter respectively, upper elbows 10 and lower elbows 11.
  • the different warp threads 2 are arranged, within the connecting frame 1, in any way, offset relative to each other, or in a partially offset manner, according to a repetitive pattern or non-repetitive, they are preferably arranged relative to each other, so that the lower portions 6 and the upper portions 7 of a warp thread 2 are in relation to, that is to say i.e. arranged opposite, respectively those of the adjacent warp threads 2, along the axis Z-Z', the spaces E1 and E2 then being aligned along the axis Z-Z'.
  • the successions of the lower portions 6 and two upper portions 7 of each adjacent warp thread 2 then form, relative to the plane formed by the lower portions 6, projecting transverse channels 12, formed by a succession of interior spaces E1, or , relative to the median plane P, a series of projecting transverse channels 12, and a series of hollow transverse channels 13, formed by a succession of interior spaces E2, transverse channels 12 and 13 which extend, preferably symmetrically two by two, on either side of the median plane P, along the axis Z-Z', but advantageously also two by two, symmetrically on either side of a plane substantially parallel to the Y-Z plane.
  • the connecting frame 1 in place in the wall with integrated formwork, the channels 12, 13 facilitate the pouring of the material, or assembly of materials, intended to fill the space between the two walls of the wall with integrated formwork, thus reducing the forces and constraints linked to this casting, which are exerted on the connecting reinforcement 1.
  • the warp threads 2 of the connecting frame 1 are connected together by at least a first series of two weft threads 3, substantially rectilinear, fixed at the level of the upper portions 7, and preferably extending in space E1 of the channels in projection 12, and advantageously also by a second series of two substantially rectilinear weft threads 4, fixed at the level of the lower portions 6, and preferably extending in the space E2 of the recessed channels 13.
  • the weft threads 3, 4 are provided respectively on either side of the threads of each warp thread 2.
  • the weft threads 3 of the first series are provided below each warp thread 2, in the transverse channel 12, in the space E1
  • the weft threads 4 of the second series are provided above each warp thread 2, in the transverse channel 13, in the space E2 ( Figures 3 to 5 ).
  • the weft threads 3 are provided near the upper bends 10, advantageously in the upper bends 10.
  • the weft threads 4 are provided, close to, preferably in the lower bends 11.
  • the stresses linked to the pouring of concrete which are exerted on the lateral segments 8 and 9 are distributed over at least two support points of the connecting reinforcement 1 provided by the weft wires 3, advantageously also on two additional support points by the weft wires 4. This reduces the risk of concrete tearing from the internal surface of the walls of the wall with integrated formwork.
  • the warp threads 2 are also connected together by a third series of weft threads 5, advantageously a third series of two weft threads 5, also fixed at the level of the lower portions 6, but advantageously distant from the bends lower 11, and therefore the weft wires 4.
  • a third series of weft threads 5 advantageously a third series of two weft threads 5, also fixed at the level of the lower portions 6, but advantageously distant from the bends lower 11, and therefore the weft wires 4.
  • these weft threads 5 are provided between the weft threads 4 with two consecutive lower portions 6.
  • weft threads 3, 4 and 5 are not in relief. They are substantially rectilinear over their entire length within the connecting frame 1.
  • two weft threads 3 are fixed, preferably welded, at the upper portions 7 of each warp thread 2, preferably under the warp threads 2, near the upper bends 10.
  • Two weft threads 4 are fixed, preferably welded, a wire 4 at the base of each segment lateral 8 and 9, preferably above the warp threads 2, near or in the lower bends 11.
  • at least two, preferably a multitude of weft threads 5 are fixed, preferably welded, au- above the warp threads 2 between the lower elbows 11, preferably spaced at a constant distance.
  • the shape and dimensions of the longitudinal section, along the axis 4 and 5 depend on the shape and dimensions of the connecting frame 1, the wall with integrated formwork, the size of the space between the two walls of the wall with integrated formwork, and the final wall to be built.
  • each warp thread 2 has a length L1, along the axis X-X', identical or different for the same warp thread 2.
  • the different lengths L1 also constitute the widths of the bottom of the different recessed channels 13 ( Figure 4 ).
  • the lateral segments 8 and 9 of the chain wires 2 extend from, or towards, the lower portions 6 or respectively the upper portions 7, according to a distance H, which represents the thickness of the connecting reinforcement 1, according to l 'Y-Y axis'.
  • This distance is an adapted function and a function of the thickness of the walls of the wall with integrated formwork and a function of the size of the space separating the two walls of the wall with integrated formwork, as well as the material(s) which will be poured between the walls of the wall with integrated formwork.
  • the lateral segments 8 and 9 of the warp threads 2 form an angle ⁇ with the lower portions 6 of the warp threads 2 which may be different, but is preferably identical, between each lower portion 6 of the warp thread(s) 2, all along the warp thread(s) 2.
  • the lateral segments 8 and 9 of the warp threads 2 form an angle ⁇ with the upper portions 7 of the warp threads 2 which may be different, but is preferably identical, between each upper portion 7 of the warp thread(s) 2, all along the warp thread(s) 2.
  • the angle ⁇ is between 45 and 90 degrees, and the angle ⁇ is between 45 and 90 degrees.
  • the sigmoid portions in the shape of a "U", or a capital omega, comprise a length at the base L2, along the axis X-X', identical or different for the same warp thread 2, which is equal , or preferably greater than their length at the top L3, and which is equal to, or preferably less than, the length L1.
  • the different lengths L3 also constitute the widths of the bottom of the different projecting channels 12.
  • the lower portions 6 and the upper portions 7 of a warp thread 2 follow one another, along the warp thread 2 and the median plane P, at a constant frequency.
  • the distance F, separating the perpendicular projection, along the axis Y-Y', from the middle of two consecutive upper portions 7, can be different, but preferably is constant, along the warp thread(s) 2.
  • the warp threads 2 have an identical or equivalent diameter, preferably greater, than the weft threads 3 and 4, and advantageously the weft threads 5 have a diameter greater than that of the weft threads 3 and 4.
  • This allows to improve the structural stability of the connection reinforcement 1 and to improve its resistance to tearing during the pouring of masonry or insulation materials, for example concrete, in the space separating the two walls of the wall with integrated formwork
  • a connecting frame 1 of rectangular shape can have a length of approximately 4 meters and a width of approximately 3 meters.
  • the lower sections 6 have a variable length L1, which can range, without being limiting, from 50 mm to 800 mm.
  • the length at the base L2, separating two lower sections 6, is approximately 300 mm.
  • the length at the top L3 of the upper sections 7 is approximately 100 mm.
  • the lateral segments 8 and 9 have a variable height H, which can range, without being limiting, from approximately 90 mm to 350 mm, and extend at an angle a, preferably identical to or close to the angle ⁇ , which depends on the height of the connecting frame 1, which can be approximately 120° for a height H which would be approximately 160mm.
  • the warp threads 2 have a diameter of approximately 8 mm, the weft threads 3 and 4 of approximately 6 mm, and the weft threads 5, if present, of approximately 10 mm.
  • the upper portions 7 of the connecting frame 1, a portion of the projecting channels 12, with their warp threads 2 and their weft threads 3, 4, 5, are intended to be, and when using the the connecting frame 1 are embedded in a wall of the wall with integrated formwork with at least a first welded mesh 14 comprising warp wires 23 and weft wires 24, the lower portions 6, a portion of the recessed channels 13 , with their warp threads 2 and their weft threads 4, and possibly their weft threads 5, if they are present, being intended to be, and when using the connecting frame 1 are, embedded, with possibly another welded mesh 15 comprising warp wires 30 and weft wires 31, in the other wall of the wall with integrated formwork, a portion of the lateral segments 8 and 9 being intended to be located, and during the the use of the connecting frame 1, located in the space formed between the two walls of the wall with integrated formwork.
  • the connecting reinforcement 1 is not linked directly to the first lattice 14 and/or to the second lattice 15.
  • its warp wires 2 or its weft wires 3, 4 and 5 are not connected, assembled or welded , neither to the warp threads 23, 30, nor to the weft threads 24, 31 of the trellis(es) 14, 15.
  • the connecting reinforcement 1 is called “solid”, because it is uninterrupted. It forms a continuous whole. However, it can be otherwise.
  • the connecting frame 1 comprises one or more openings 16 and 17, intended to be in relation to the opening(s) 18, 19 and 20, 21, respectively of the first lattice 14 and/or the second lattice 15 of the walls of the wall with integrated formwork, in order to form one or more reservations for the passage of a conduit or the installation of a door or window.
  • the set of wall reinforcements 22 with integrated formwork according to the invention comprises the connecting reinforcement 1 according to the invention and at least one internal wall reinforcement reinforcement, preferably two internal wall reinforcement reinforcements, which is not, which is not, linked directly and physically, for example by welding, ligation or using staples, to said connecting frame 1.
  • the internal reinforcement is, or comprises, a first lattice 14, having a general shape, in the X-Z plane, and dimensions, which are adapted to, in any case which are a function of, the shape and dimensions of the connecting frame 1 according to the invention, of the wall wall in which it is supposed to be incorporated, of the wall with integrated formwork which integrates it and of the final wall.
  • a first lattice 14 having a general shape, in the X-Z plane, and dimensions, which are adapted to, in any case which are a function of, the shape and dimensions of the connecting frame 1 according to the invention, of the wall wall in which it is supposed to be incorporated, of the wall with integrated formwork which integrates it and of the final wall.
  • it has, in the X-Z plane, a shape and dimensions identical, substantially identical, or complementary, to the connecting reinforcement 1.
  • the first lattice 14 is substantially flat. It extends in a plane substantially parallel to the plane XZ, along the axis ZZ' and the axis X-X', comprising a multitude of warp threads 23, and a multitude of weft threads 24, extending respectively along the axis XX' and along the axis Z-Z', and linked to each other by any suitable means, preferably by welding, the weft threads 24 being able to be welded to the warp threads 24, or vice versa , or according to one or more suitable meshes, or reinforcements.
  • the weft threads 24 are all provided on the same side with the warp threads 23, advantageously in series of several threads, for example two, three, four or five weft threads 24, separated by a space not provided with weft threads 24.
  • each series of weft threads 24 comprises as many weft threads 24, or one weft thread 24 moreover, that the lower portions 6 of the connecting frame 1 comprise weft threads 4 and/or 5.
  • the number of weft threads 24 in each series may be identical or different within the first trellis 14, and may form a pattern that is repetitive or not.
  • the trellis 14 comprises at least one of its ends 26 or 27, advantageously at both ends 26, 27, reinforcing reinforcements, which are, or include, metal beams or joists, or cages 28, 29.
  • the end reinforcement(s) extend in three dimensions, transversely with respect to the lattice 14, and in a plane substantially parallel to the plane X-Z, along the axis Z-Z'. They have a shape and dimensions adapted to, and function of, the trellis 14, the connecting frame 1, the wall with integrated formwork and the final wall. Preferably, they have a height, along the axis Y-Y', adapted, identical or equivalent to the distance H, separating the lower portions 6 and the upper portions 7 of the connecting frame 1.
  • the end reinforcement(s) can be reinforcements distinct from the lattice 14, which fit together, or interlock, with or in the lattice 14 and the connecting reinforcement 1; however, preferably, the end reinforcement(s) are formed by the bending of the warp threads 23, and possibly one or more weft threads 24, in order to form one or more cages 28, 29 of cross section, in the plane X-Y, rectangular or square in shape.
  • the set of wall reinforcements 22 with integrated formwork according to the invention further comprises a second trellis 15, preferably identical to, or substantially identical to, and therefore interchangeable with, the first trellis 14.
  • the second trellis 15 has a general shape, in the X-Z plane, and dimensions, which are adapted to, in any case which are a function of, the shape and dimensions of the connecting reinforcement 1 according to the invention, of the wall wall in which it is supposed to be incorporated, of the wall with integrated formwork which integrates it and of the final wall.
  • it has, in the X-Z plane, a shape and dimensions identical, substantially identical, or complementary, to the connecting reinforcement 1.
  • the second lattice 15 is a substantially flat lattice. It extends in a plane substantially parallel to the plane XZ, along the axis ZZ' and the axis X-X', comprising a multitude of warp threads 30, and a multitude of weft threads 31, extending respectively along the axis XX' and along the axis Z-Z', and linked to each other by any suitable means, preferably by welding, the weft threads 31 being able to be welded on the warp threads 30, or vice versa, or according to one or more suitable meshes or weaves.
  • the weft threads 31 are all provided on the same side with the warp threads 31, advantageously in series of several threads, for example two, three, four or five weft threads 31, separated by a space not provided with threads of weft 31.
  • each series of weft threads 31 comprises as many weft threads 31, or one more weft thread 31, as the upper portions 7 of the connecting frame 1 comprise weft threads 3.
  • the number of weft threads 31 in each series may be identical or different within the second trellis 15 to form a pattern which is repetitive or not.
  • the number of weft threads 31 in each series and the pattern formed may be identical or different with those of the first trellis 14.
  • the trellis 15 comprises at least one of these ends 26 or 27, advantageously at both ends 26, 27, reinforcing reinforcements, which are, or comprise, cages 28, 29.
  • the end reinforcement(s) extend in three dimensions, transversely with respect to the lattice 14, and in a plane substantially parallel to the plane X-Z, along the axis Z-Z'. They have a shape and dimensions adapted to, and function of, the flat lattice 15, the connecting frame 1, the wall with integrated formwork and the final wall. Preferably, they have a height, along the axis Y-Y', adapted, identical or equivalent to the distance H, separating the lower portions 6 and the upper portions 7 of the connecting frame 1.
  • the reinforcement(s) can be reinforcements distinct from the lattice 15, which arrange themselves, or fit together, or interlock, with or in the flat lattice 15 and the connecting reinforcement 1; however, preferably, the reinforcement(s) are formed by the bending of the warp threads 30, and possibly one or more weft threads 31, in order to form one or more cages 28, 29 of cross section, in the X-Y plane, of rectangular or square shape.
  • the flat lattices 14 and 15 are suitable, intended to be, and when using the connecting frame 1 are, arranged in a plane substantially parallel to that formed by the connecting frame 1, near or in contact with the connecting frame 1 or substantially in the same plane as that of the upper portions 7 or the lower portions 6, of the connecting frame 1 ( Figure 5 ).
  • the warp threads 23, 30 and the weft threads 24, 31 of the trellises 14, 15 are not fixed directly, are not connected, assembled or welded, neither to the warp threads 2, nor to the weft threads 3, 4 and 5 of the connecting frame 1. They are linked there indirectly, when the lattices 14, 15 and the connecting frame 1 are embedded in the wall(s) of the wall with integrated formwork, by the material forming the walls.
  • the chain wires 23 and 30 of the flat lattices 14 and 15 can be superimposed on the chain wires 2 of the connecting frame 1, advantageously they can come into contact with the chain wires 2, at the level respectively of the lower portions 6 and upper portions 7.
  • they do not overlap, but are arranged, along the axis X-X', offset with respect to the plane on the other of a warp thread 2.
  • they extend in the same plane, or substantially the same plane, as that respectively of the lower portions 6 and the upper portions 7 of the warp threads 2, a substantially parallel plane to the X-Z plane.
  • the weft threads 24 and 31 of the flat lattices 14 and 15 are suitable, intended to be, and when using the connecting frame 1 are, arranged between the upper portions 7 and respectively the lower portions 6, between the series of weft threads 3 of the upper portions 7 and respectively the series of weft threads 4 of the lower portions 6. They are suitable, intended to be, and can be arranged and extend, along the axis Z-Z', in the space E1 and respectively the space E2, inside or above the recessed transverse channels 13 and respectively inside or below the protruding transverse channels 12 of the connecting frame 1. Advantageously , they are arranged in the same plane as that formed by the weft threads 3 or the upper portions 7, and respectively the weft threads 4, 5 or the lower portions 6, of the connecting frame 1.
  • the weft threads 24 of the trellis 14, or some of them are arranged in relation and substantially opposite, plumb along the axis Y-Y', of the weft threads 4, and for some of them weft threads 5 if they are present, lower portions 6 of the connecting frame 1 and/or the weft threads 31 of the trellis 15, or some of them, are arranged in relation and substantially opposite, plumb along the Y-Y' axis, the weft threads 3 of the upper portions 7.
  • the first lattice 14 and the second lattice 15 are called “solid”, because they are uninterrupted. They form a continuous whole. However, it can be otherwise.
  • the first trellis 14 and the second trellis 15 comprise one or more openings 18, 19, and respectively 20, 21, intended to be in relation to the opening(s) 16 and 17 of the connecting frame 1, in order to to form one or more reservations.
  • the set of reinforcements 22 according to the invention may further comprise one or more longitudinal and/or transverse reservation reinforcements.
  • the reservation frame(s) are or include metal beams or beams or cages 32, 33, in three dimensions, extending longitudinally relative to the connecting frame 1, in a plane substantially parallel to the X-Z plane, the along the axis X-X' and/or extending transversely along the axis Z-Z'. It(s) is/are arranged near the opening(s) 16, 17 of the connecting frame 1 and the openings 18, 19 and/or 20, 21 of the flat lattices 14 and 15.
  • the reservation frame(s) have a shape and dimensions adapted to, and function of, the connecting frame 1, the wall with integrated formwork and the final wall.
  • the reservation frame or frames have a suitable length, identical or equivalent, to that of the openings 16, 17 of the connecting frame 1 and the openings 18, 19 and/or 20, 21 of the trellises 14 and 15.
  • they Preferably, they have a height, along the axis Y-Y', adapted, preferably less than the distance H, separating the lower portions 6 and the upper portions 7 of the connecting frame 1.
  • the set of wall reinforcements 22 with integrated formwork is preferably a reinforcement kit, comprising distinct elements not directly linked to each other, for example by welding or ligature.
  • the elements which compose it arrange themselves, or fit together, or overlap, with each other, preferably without being physically linked to each other, except through the one or more masonry materials, for example concrete, forming the walls of the wall with integrated formwork, without a physical connection between one or more of the elements of the set of reinforcements 22, within the wall with integrated formwork, not or excluded.
  • the connecting reinforcement 1 according to the invention and the trellises 14, 15 can be produced by the use of any suitable means, from steel wires, preferably having a round cross section and a ribbed surface, d 'a length of up to approximately 15 m long and a diameter of up to approximately 32 mm.
  • the construction element according to the invention is a wall with integrated formwork comprising at least two walls made of, or comprising, a masonry material, or assembly of materials, each comprising an internal frame reinforcement and the connecting frame 1 according to the invention, or the set of frames 22 according to the invention, the at least two walls facing each other, preferably substantially parallel, the space separating them not comprising any material , masonry or insulation, which would have been poured there.
  • the wall with integrated formwork and the elements which constitute it have a shape and dimensions adapted to the final wall and to the building or part of a building comprising the final wall.
  • this portion of the connecting frame 1 is, or comprises, the lateral segments 8 and 9 of the chain wires 2, forming the edges of the projecting channels 12 or recessed 13, the lower portions 6 and the upper portions 7 , forming the bottom of the protruding channels 12 or recessed 13, as well as the weft wires 3, 4 and 5, being embedded in the walls of the wall with integrated formwork with the internal reinforcements for reinforcing the walls, which are preferably the or the lattices 14 and 15 as described previously.
  • the lattices 14, 15 can be identical, or substantially identical, to each other, and therefore be interchangeable. However, preferably, they are not strictly identical and may be different, in particular in terms of spacing of the warp threads 23, 30 and/or weft threads 24, 31 and/or thickness of the threads and/or number and shape of openings for reservations.
  • the lattice(s) 14 and 15 while being embedded in the walls of the wall with integrated formwork, are superimposed on, preferably arranged, or nested in, the connecting frame 1 , itself partially embedded in the walls of the wall with integrated formwork.
  • the chain wires 23 and 30 of the trellis(es) 14 and 15 can be superimposed on the chain wires 2 of the connecting frame 1; preferably, they are in contact with respectively the lower portions 6 and the upper portions 7 of the warp threads 2.
  • the warp threads 23 and 30 do not overlap the warp threads 2 of the connecting frame 1, but extend, at the level of the lower portions 6 and the upper portions 7 respectively, along the axis -X', offset from the XY plane, a warp thread 23 or 30 being arranged on either side of a warp thread 2, the warp threads 23 and 30 being interposed between the threads of chain 2.
  • they extend in the same plane, or substantially the same plane, as that respectively lower portions 6 and upper portions 7 of the warp threads 2, a plane parallel to the plane XZ, substantially parallel to the warp threads 2.
  • the weft wires 24 and 31 of the lattices 14, 15 are arranged between the weft threads 3 of the upper portions 7 and respectively the weft threads 4 of the lower portions 6. They extend along the axis Z-Z', in the space E2 and respectively the space E1, inside or above the recessed transverse channels 13, and respectively inside or below the projecting transverse channels 12, of the connecting frame 1.
  • they are arranged in the same plane as that formed by the wires of weft 3 or the upper portions 7, and respectively the weft threads 4, 5 or the lower portions 6, of the connecting reinforcement 1.
  • the walls of the wall with integrated formwork are made of, or include, hardened concrete.
  • the method of producing a construction element for example a wall with integrated formwork according to the invention, comprises a step of taking, or producing, a first internal reinforcement for reinforcing a first wall of wall with integrated formwork, a first flat lattice 14, and possibly taking, or making, a second internal reinforcement for reinforcing a second wall wall with integrated formwork, a second flat lattice 15, and taking, or making, a connecting frame 1 according to the invention, or to take, or produce, a set of frames 22 according to the invention.
  • the first lattice 14 and the second lattice 15 are those described previously.
  • the method includes a step of arranging the first lattice 14 and the second lattice 15, with the connecting frame 1, so that they overlap, or preferably fit together, in the frame connection 1.
  • the method comprises a step of arranging the connecting frame 1 and the first trellis 14, so that these warp wires 23 extend parallel to the chain wires 2 of the connecting frame 1 at level of these upper portions 7, interposed between the warp threads 2, preferably substantially in the same plane as that of the upper portions 7, the weft threads 24 of the first trellis 14 extending substantially parallel to the weft threads 3 of the connecting frame 1, inserting itself between two successive upper portions 7, preferably substantially in the same plane as that of the upper portions 7.
  • a masonry material, or assembly of materials, for example concrete, is then poured onto the warp wires 23 and the weft wires 24 of the first trellis 14 and onto at least the upper portions 7 of the connecting frame 1 , in order to form a first wall of the wall with integrated formwork, which is then hardened, preferably by the action of heat.
  • the second trellis 15 is then arranged relative to the connecting frame 1 so that these warp wires 30 extend parallel to the chain wires 2 of the connecting frame 1 at the level of these lower portions 6 in interposed between the warp threads 2, preferably substantially in the same plane as that of the lower portions 6, these weft threads 31 extending substantially parallel to the weft threads 4 of the connecting frame 1, in interposing between two successive lower portions 6, preferably substantially in the same plane as that of the lower portions 6.
  • a masonry material, or assembly of materials, for example concrete, is then poured onto the warp wires 30 and the weft wires 31 of the second trellis 15 and onto at least the lower portions 6 of the connecting frame 1 , in order to form a second wall of the wall with integrated formwork, a wall which is then hardened, preferably by the action of heat.
  • the second wall can be formed by pouring the masonry material(s) onto the second lattice 15, then, this wall formed, but the masonry material(s) still fresh, the second wall is brought closer to the reinforcement. connection 1, in order to integrate its lower portions 6 into the thickness of this second wall, before the latter is hardened, for example by the action of heat.
  • the method further comprises a step of taking or producing one or more reinforcing reinforcements at one, the other, or both ends, of the trellis(es) 14, 15, possibly with a step of setting up relative to the connecting frame 1, before the step of pouring masonry material for the production of the first and/or second wall of the wall with integrated formwork.
  • the method further comprises a step of taking or producing one or more reservation reinforcements, a step of positioning with respect to the connecting reinforcement 1, before the step of pouring masonry material for the production of the first and/or second wall of the wall with integrated formwork.
  • the wall with integrated formwork according to the invention is used for creating a wall or a portion of a construction wall.
  • the construction wall according to the invention comprises the wall with integrated formwork according to the invention and a material, or a set of materials, which can be cast, for example a masonry material and/or an insulator.
  • the construction wall according to the invention is used for the construction of a building or a portion of a building.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Reinforcement Elements For Buildings (AREA)
EP24156202.4A 2021-05-21 2022-05-17 Wandverbindungsbeschlag mit integrierter schalung Pending EP4343079A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21305669 2021-05-21
EP22173667.1A EP4092215A1 (de) 2021-05-21 2022-05-17 Rahmen für wandanschluss mit integrierter schalung

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EP22173667.1A Division EP4092215A1 (de) 2021-05-21 2022-05-17 Rahmen für wandanschluss mit integrierter schalung

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EP4343079A2 true EP4343079A2 (de) 2024-03-27
EP4343079A3 EP4343079A3 (de) 2024-05-15

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EP24156202.4A Pending EP4343079A3 (de) 2021-05-21 2022-05-17 Wandverbindungsbeschlag mit integrierter schalung
EP22173667.1A Pending EP4092215A1 (de) 2021-05-21 2022-05-17 Rahmen für wandanschluss mit integrierter schalung

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR466945A (fr) 1914-01-02 1914-05-28 Marcel Frederic Jerome Veauvy Système de construction par agglomérés armés obtenus sans coffrage
GB1524824A (en) 1976-07-15 1978-09-13 Gkn Reinforcements Ltd Metal mesh
CA1145228A (en) 1980-03-21 1983-04-26 Gary R. Hollingsworth Wire matrix
BE1012524A3 (fr) 1995-05-24 2000-12-05 Storsack Austria Gmbh Sac de transport et procede et dispositif pour le coudre.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1012564A7 (fr) * 1999-03-22 2000-12-05 Damblon Joseph Structure tridimensionnelle de base.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR466945A (fr) 1914-01-02 1914-05-28 Marcel Frederic Jerome Veauvy Système de construction par agglomérés armés obtenus sans coffrage
GB1524824A (en) 1976-07-15 1978-09-13 Gkn Reinforcements Ltd Metal mesh
CA1145228A (en) 1980-03-21 1983-04-26 Gary R. Hollingsworth Wire matrix
BE1012524A3 (fr) 1995-05-24 2000-12-05 Storsack Austria Gmbh Sac de transport et procede et dispositif pour le coudre.

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EP4092215A1 (de) 2022-11-23
EP4343079A3 (de) 2024-05-15

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