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EP3191658A1 - Double paroi et procédé de fabrication d'une double paroi - Google Patents

Double paroi et procédé de fabrication d'une double paroi

Info

Publication number
EP3191658A1
EP3191658A1 EP15771849.5A EP15771849A EP3191658A1 EP 3191658 A1 EP3191658 A1 EP 3191658A1 EP 15771849 A EP15771849 A EP 15771849A EP 3191658 A1 EP3191658 A1 EP 3191658A1
Authority
EP
European Patent Office
Prior art keywords
mat
reinforcing
spacers
double wall
wall
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
EP15771849.5A
Other languages
German (de)
English (en)
Other versions
EP3191658B1 (fr
Inventor
Hubert RAPPERSTORFER
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.)
RAPPERSTORFER, HUBERT
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 EP3191658A1 publication Critical patent/EP3191658A1/fr
Application granted granted Critical
Publication of EP3191658B1 publication Critical patent/EP3191658B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • 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
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8611—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
    • E04B2/8617—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf with spacers being embedded in both form leaves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/028—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members for double - wall articles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • 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
    • 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
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E04C2002/045—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete with two parallel leaves connected by tie anchors
    • E04C2002/047—Pin or rod shaped anchors

Definitions

  • the invention relates to a double wall, and a method for producing a double wall, as indicated in claims 1 and 12.
  • a generic double wall is known from DE 100 66 261 B4.
  • This double wall has a first and a second wall shell, which are interconnected by a lattice girder.
  • insulating elements are arranged, which are applied between the individual lattice girders on one of the two wall shells.
  • the known from DE 100 66 261 B4 embodiment has the disadvantage that the individual insulating elements are arranged only between the lattice girders and thus in the area of the lattice girders free spaces are present, which are filled in filling the double wall with concrete and act as thermal bridges. Furthermore, the lattice girders only create an unstable connection between the two wall shells.
  • the present invention has for its object to provide an improved double wall, which is stably constructed and has good insulating properties, and to provide a method for producing such a double wall.
  • a double wall comprising a first and a second wall shell made of concrete, in which first and second wall shell a reinforcing element is at least partially integrated, wherein between the first and the second wall shell, an insulating element is arranged.
  • the reinforcing element has a first reinforcing mat, which is integrated in the first wall shell and a second reinforcing mat, which is integrated in the second wall shell.
  • the reinforcing mats have at angles welded to each other metallic mat rods and are held with respect to their first and second mat plane by rod-shaped spacers at a normal distance from each other.
  • the spacers are metallic and welded preferably resistance welded joints, permanently connected to individual mat rods of the first and second reinforcing mat.
  • An advantage of the embodiment of the invention is that by welding the two reinforcing mats to each other by means of the spacers can be formed in a stable three-dimensional reinforcing element.
  • This reinforcing element or the double wall can be well moved by means of a crane or other lifting means and is thus transportable in an automated or semi-automated production line.
  • Another advantage of the double wall according to the invention is that it can be produced using as few individual parts as possible and thus on the one hand has the lowest possible weight and, moreover, is simple and inexpensive to manufacture.
  • the insulation element can be easily introduced into the double wall during the manufacturing process.
  • the insulated double wall according to the invention is simpler and less expensive to produce than previously known double walls and also has an improved insulation.
  • An additional advantage of the double wall according to the invention is that the installed reinforcement element has two mutually spaced reinforcing mats, which are integrated into the two wall shells.
  • the use of reinforcing mats increases the pull-out strength of the reinforcing element out of the wall shell compared to a comparable double wall with lattice girder arrangement.
  • the security can be increased because an unwanted detachment of the wall shell can be kept behind by the reinforcing element. This is particularly important on the construction site, as falling concrete parts during lifting would pose a serious safety hazard to workers.
  • the concrete cover of the wall shell can be reduced by the use of a reinforcing element according to the invention, whereby the complete double wall can be manufactured with reduced weight. This brings savings in production.
  • a weight-reduced double wall can be transported inexpensively and environmentally friendly, in addition, the handling of the double wall is facilitated in the course of a Verhebevorganges.
  • the insulation element has a substantially plate-shaped form, wherein the insulation element is penetrated by the spacers.
  • the advantage here is that the insulation element can be made externally and on Reason its plate-shaped form can be introduced as a whole in the double wall.
  • Another advantage is that the insulation element is penetrated by the spacers, since thus only small thermal bridges are formed, at which the insulating value of the double wall is deteriorated.
  • the holes in the insulation element, which are penetrated by the spacers kept as small as possible in order to achieve a possible good insulation of the double wall.
  • the three-dimensional and stable welded reinforcing element can be placed on a flat surface, so that the first reinforcing mat at a predefined distance, which corresponds to the first supernatant, are arranged away from this flat surface can.
  • the first reinforcing mat can be introduced to an outer surface spaced apart in the double wall, without having to provide additional support means.
  • the spacers also project beyond the second mat plane of the second reinforcing mat in a direction away from the first reinforcing mat direction by a second projection to the outside.
  • the spacers are aligned normal to the mat levels.
  • the advantage here is that the spacers can be positioned quickly and easily between the reinforcement mats during the manufacturing process.
  • this orientation of the spacers allows the first reinforcement mat and the second reinforcement mat to be positioned well relative to each other.
  • the insulating element can simply be plugged onto the spacers during production so that, on the one hand, the manufacturing process is carried out as quickly and inexpensively as possible
  • the insulation element can be formed accurately to the spacers, so that as few thermal bridges occur.
  • protective caps are arranged in at least one end section of at least individual spacers.
  • the protective caps serve in this case during the manufacturing process of the double wall as protection for the surface of a formwork pallet on which rests the reinforcing element. After completion of the double wall, the protective caps serve as corrosion protection for the spacers equipped with the protective cap. Without a protective cap, the spacers on the surface would be accessible to oxidation-promoting air.
  • the protective caps are made of a plastic material, in particular formed by an injection molded part, and have a receiving bore whose diameter is equal to or slightly smaller than the diameter of the spacers in the region of the supernatant.
  • protective caps made of a plastic material have good corrosion resistance and can be produced quickly and easily in mass production.
  • injection molding parts are suitable for production in a mass production process, wherein the shape of injection molded parts can be freely selected. If the mounting hole of the protective caps is chosen to be slightly smaller than or equal to the diameter of the spacers, the protective caps can be fitted well on the spacer, so that they do not fall down undesirably during the manufacturing process.
  • the protective caps are designed to be tapered and / or rounded in an end section facing away from the receiving bore.
  • the advantage here is that the protective caps thereby have a bearing surface or supporting end, which may rest against a formwork element.
  • the taper that in the finished component, such as a double wall, the visible on the surface support end of the cap is as small as possible or as little of the cap on the surface can be seen.
  • tension rods extending at an angle to the spacers are connected to the mat rods of the first and the second reinforcing mat. are welded.
  • a recess in the form of a circular bore or an elongated hole is formed in the insulation element, which is penetrated by the spacers.
  • the advantage here is that the insulation element can be easily joined to the double wall by a prefabricated recess.
  • the reinforcing element comprises a formwork element in the form of a sheet, which extends between the two reinforcing mats and attached to the two reinforcing mats, in particular welded, is.
  • a formwork element for example, a metal strip can be used.
  • the formwork elements serve to keep the concrete used for filling or pouring within the cavity provided for backfilling at the construction site in the final production of the double wall.
  • the formwork elements can be used in a first embodiment for ditchabschalung the double wall.
  • the formwork elements are used in window recesses or door recesses in order to be able to peel them off.
  • it can be provided that the formwork elements are placed centrally in the wall to form a cavity. As a result, the amount of concrete required can be kept as low as possible.
  • At least one of the reinforcement mats attached to a plug socket holder, in particular welded is.
  • the socket holder can serve as shuttering for a socket to use after the completion of the double wall a socket in the wall can.
  • an empty piping is connected to the socket placeholder, wherein the empty piping is held by retaining clips, which holding clamps attached to one of the reinforcing mats, in particular welded thereto.
  • An advantage of the inventive method for producing the double wall according to the invention is that the rod-shaped spacers can be easily positioned by a manufacturing plant, in particular by a robot system, on the first reinforcing mat or welded thereto.
  • Another advantage is that the formwork pallet can be prepared as much as possible for the production of the double wall and that the prepared reinforcement can be lifted into the formwork pallet as a whole as a whole.
  • the quality of the manufacturing process for producing a double wall can be significantly improved.
  • the process speed can be increased because the reinforcing element can be lifted as a whole.
  • the process accuracy or repeat accuracy can be increased because the reinforcing element can be performed by its preparation as a dimensionally stable component.
  • the insulation element can be introduced into the double wall by hand or likewise by means of a robot system.
  • the second reinforcing mat can then also be positioned by the production plant, in particular the robot system, relative to the first reinforcing mat and then welded to the spacers, so that a stable, three-dimensional reinforcing element is formed.
  • Such a reinforcing element gives the double wall a high stability, so that it can be transported well within a production facility or even to external production facilities.
  • Another advantage is that the reinforcing element is integrated after the manufacture of the two wall shells fixed in this and due to the stable construction of the reinforcing element, the double wall in the manufacturing process can be well moved or positioned.
  • the reinforcing element can be immersed in a precise position in the concrete layer of the preparatory formwork pallet by a turning device, so that the wall shells can be made accurate position. Furthermore, it can be provided that the individual method steps are carried out in a different sequence to this enumeration. Furthermore, it may be expedient that the spacers are positioned relative to the mat rods of the first reinforcing mat such that the spacers protrude with respect to the mat rods of the first reinforcing mat around a first projection.
  • the second reinforcing mat is positioned such that the spacers protrude with respect to the mat bars of the second reinforcing mat around a second projection.
  • the advantage here is that thereby not only the first reinforcement mat can be kept at a defined distance to a flat support surface, but that at a turning of the reinforcing element and the second reinforcing mat can be kept at a defined distance from a flat support surface to to arm a concrete component well.
  • these are cut to length and provided with protective caps on at least one end section.
  • the advantage here is that the rod-shaped spacers, if they are cut to length in the production process, can be delivered as rod material.
  • pull rods extending at an angle to the spacers are welded to the mat rods.
  • the advantage here is that the tension rods can be easily and inexpensively welded to the mat levels during the manufacturing process.
  • recesses in the form of a circular bore or an oblong hole are introduced into the latter.
  • the advantage here is that the insulation element can be easily joined to the double wall by a prefabricated recess.
  • the spacers are arranged at an angle to the normal on the mat planes, or if oblique tensile bars are arranged in the reinforcing element, it is necessary that recesses in the form of elongated holes are introduced into the insulating element, so that the oblique bars can be accommodated in these oblong holes .
  • support rods running parallel to the first reinforcing mat are positioned and welded to the spacers and / or the tension rods.
  • the advantage here is that supporting elements are formed by the support rods on which the second reinforcing mat can be placed during the manufacturing process.
  • the storage of the component is carried out until solidification or hardening of the concrete layer to a first and / or second wall shell in a curing chamber.
  • the advantage here is that the curing process of the wall shells can be accelerated.
  • the period until a sufficient hardening of the wall shells can be shortened, so that they are transportable as soon as possible and the formwork pallet is free again.
  • FIG. 1 is a perspective view of a double wall with schematically indicated wall shells and insulation element.
  • Fig. 2 is a plan view of the double wall according to the perspective II of Fig. 1;
  • FIG. 3 shows a side view of the double wall according to perspective III from FIG. 1;
  • FIG. 4 shows a side view according to perspective III from FIG. 1 of a further exemplary embodiment of a double wall
  • FIG. 5 shows a detailed view of a spacer, as well as a protective cap arranged thereon;
  • Fig. 6 is a representation of a method step for producing a double wall, wherein in this method step, only a part of the reinforcement is made;
  • Fig. 7 is an illustration of a method step for producing a double wall, wherein step in this process, the insulating element is introduced into the reinforcing element;
  • FIG. 8 is an illustration of a process for producing a double wall, namely preparing for the production of the first wall shell
  • FIG. 9 shows a representation of a further method for producing a double wall, namely production of the first wall shell
  • 10 is an illustration of a method of manufacturing a double wall, namely preparing for the production of the second wall shell; 11 is a perspective view of a complex reinforcing element for a
  • FIG. 12 shows a side view of a sandwich wall according to perspective III from FIG. 1;
  • FIG. 13 is a perspective view of a complex reinforcement element for a double wall with formwork elements
  • FIG. 14 shows a detailed view of a further embodiment of a spacer, as well as a protective cap arranged thereon;
  • FIG. 15 shows a further embodiment of a lifting hoop in the installed state
  • Fig. 16 shows another embodiment of a lifting bracket in the installed state.
  • FIG. 1 shows an exemplary double wall 1 according to the invention, or a reinforcement element 2 introduced into the double wall 1 in a perspective view.
  • FIGS. 2 and 3 show the double wall 1 in a plan view according to II from FIG. 1 and a side view according to III from FIG.
  • the double wall 1 is shown only in an exemplary section, wherein the reinforcing element 2 may have larger outer dimensions than shown, and wherein wall elements of the double wall 1 are shown partially cut.
  • the double wall 1 has a high thermal insulation value and can thus be used ideally as an outer wall for all types of buildings.
  • the reinforcing element 2 installed in the double wall 1 has a first reinforcing mat 3 and a second reinforcing mat 3. rungsmatte 4, which each have a first mat plane 5 and a second mat plane 6.
  • the two mat levels 5, 6 are, as can be better seen in FIG. 3, respectively defined by the outermost points of the reinforcing mats 3, 4.
  • the reinforcing mats 3, 4 each have a plurality of mat rods 7, which are arranged at an angle to each other. This results in a lattice shape, wherein the mat rods 7 are welded together at nodes 8 at which they overlap.
  • the mat rods 7 are preferably made of a reinforcing steel.
  • a reinforcing mat 3, 4 is a lattice structure of bars welded together. The distance between the individual bars may be regular or even irregular.
  • reinforcing mats 3, 4 can be purchased as standard finished parts and tailored accordingly on site. In an alternative variant, it is also possible to lengthen the mat rods 7 in the course of the manufacturing process of the reinforcing element 2 on site and to weld them together.
  • rod-shaped spacers 9 are provided, which keep the individual reinforcing mats 3, 4 in a desired and predefined normal distance 10 spaced from each other.
  • the normal distance 10 is that distance in which the two mat levels 5, 6 of the reinforcing mats 3, 4 are arranged spaced from each other.
  • the rod-shaped spacers 9, which are made of a metallic material, are connected by a welded joint 11 with the mat rods 7.
  • Welded joint is preferably produced by resistance welding, in particular by resistance spot welding.
  • resistance welding in particular by resistance spot welding.
  • the spacers 9 it is also possible for the spacers 9 to be connected to one another, for example, by a MAG welding method or by a laser welding. It is advantageous if at least three spacers 9 are provided on a reinforcement element 2. As a result, the reinforcement element 2 rest well on the spacers 9.
  • the spacers 9 can protrude in a direction 12 facing away from the second reinforcing mat 4 about a first projection 13 opposite the first mat plane 5.
  • the first reinforcing mat 3 from a support plane on which the reinforcing element 2 rests, is arranged at a distance.
  • a certain concrete cover over the first reinforcing mat 3 can be achieved.
  • the required concrete cover can be equal to the projection 13.
  • the spacers 9 are arranged in a direction away from the first reinforcing mat 3 direction 14 about a second projection 15 relative to the second mat plane 6 above.
  • the advantages for this can be seen analogously to the first projection 13.
  • the desired concrete coverage can be adjusted. In other words, it can be adjusted by how far the first reinforcing mat or the second reinforcing mat are arranged away from a concrete surface.
  • the projections 13, 15 are preferably chosen to be the same size, so that the reinforcing element 2 or a double wall 1 equipped therewith is symmetrical. In an alternative variant or for special applications, however, it is also possible that the supernatants 13, 15 are chosen to be different in size.
  • tension rods 16 are arranged on the reinforcing element 2, which are arranged at an angle 17 to the spacers 9 and to a normal on the mat levels 5, 6.
  • the tension rods 16 preferably extend between the first mat plane 5 and the second mat plane 6.
  • the tension rods 16 are preferably arranged in pairs V-shaped, whereby the Reinforcing element 2 increased rigidity can be imparted.
  • the tension rods 16 may preferably have a smaller diameter than the spacers 9.
  • the tension rods 16 have the same diameter as the mesh rods 7.
  • the spacers 9 and / or the tension rods 16 are connected at a distance 18 from the nodes 8 of the mat rods 7 with these. It can thereby be achieved that the spacers 9 and / or tension rods 16 are readily accessible at their connection points with the mat rods 7. Automated processing by means of a production robot or a production plant can thereby be facilitated.
  • the distance 18 is preferably dimensioned such that the tension bars 16 are arranged as close as possible to the nodes 8 of the mat bars 7 as a result of production, since the mat bars 7 have the greatest rigidity in the area of the nodal points 8.
  • the spacers 9 and / or the tension rods 16 may have different diameters in order, for example, to be able to accommodate loads of different sizes as required. Furthermore, the spacers 9 and / or the tension rods 16 can be arranged at an irregular distance from one another in order to be adapted to the requirement of the load.
  • support rods 19 are formed, which define a support plane 20.
  • These support rods 19 may be particularly advantageous in the production of the reinforcing element 2, since they can be well connected to the spacers 9 and the tension rods 16 and thereby the support plane 20 can be formed, on which the second reinforcing mat 4 placed in the manufacturing process can be.
  • the second reinforcing mat 4 is already arranged approximately in its final position during the manufacturing process.
  • the spacers 9 are arranged normally on the first mat plane 5 or standing on the second mat plane 6 on the reinforcing element 2.
  • a first wall shell 21 is formed in the region of the first reinforcing mat 3 and a second wall shell 22 is formed in the region of the second reinforcing mat 4.
  • An insulation element 23 is formed directly on the first wall shell 21.
  • the insulating element 23 is preferably designed as an insulating plate such as polystyrene foam, which is introduced in the manufacturing process for producing the double wall 1 as a whole or in the form of large plates between the first 21 and the second wall shell 22.
  • the insulating element 23 is formed from a different insulating material, and is, for example, soft-elastic.
  • the insulation element 23 has at least one recess 24 through which the insulation element 23 is penetrated by a spacer 9.
  • the shape of these recesses 24 is dependent on how the insulation element 23 is introduced into the double wall 1, or how the spacers 9 and tension rods 16 are arranged in the reinforcing element 2. If, for example, no angularly extending tension rods are provided in the reinforcing element 2 and the spacers 9 are arranged normally on the mat levels 5, 6, it can be provided that the insulation element 23 is pressed onto the spacers 9 during the manufacturing process under the action of force, in this process the Recesses 24 are generated by the spacers 9 and thus have the same shape and the same diameter as the spacers 9.
  • the spacers 9 are pointed in order to be able to pierce or penetrate the insulation element 23.
  • a high thermal insulation value can be achieved since no foreign material can penetrate into the recess 24.
  • the recesses 24 are already introduced into the insulation element 23 before the joining of the insulation element 23 with the reinforcement element 2. As a result, the joining process can be facilitated since the force required for joining can be less.
  • the recesses can be produced, for example, by means of a drill, which is attached to a manufacturing robot. If the spacers 9 are arranged at an angle, or if tensile bars 16 are provided in addition to the spacers 9, then it may be necessary for the recesses 24 to be introduced into the insulating element in the form of oblong holes. An embodiment of this is shown in Fig. 4.
  • an intermediate region 25 is formed between the two wall shells 21, 22, which is filled after installation of the double wall 1 on site with concrete to obtain a solid concrete wall.
  • the wall shells 21, 22 have the smallest possible wall thickness 26, 27, so that the double wall 1 is possible for transport lent easy.
  • the limits for the minimum wall thickness 26, 27 of the wall shells 21, 22 arise on the one hand due to the minimum coverage, which must have the wall shells 21, 22.
  • This minimum overlap is, for example, that distance from the outer surface 28 of the first wall shell 21 to the first mat plane 5.
  • the minimum coverage can be adjusted by the positioning of the spacers 9 and is the same size as the first projection 13. The same applies to the second wall shell 22, the
  • the wall thicknesses 26, 27 further result from a required minimum distance of an inner surface 30 of the first wall shell 21 to the first reinforcing mat 3 and an inner surface 31 of the second wall shell 22 to the second reinforcing mat 4.
  • Wall thicknesses 26, 27 can be as low as possible. Due to the use of two reinforcing mats 3, 4 which are stably connected to each other by the spacers 9, the risk can be reduced that the reinforcing element 2 from one of the wall shells 21, 22 tears.
  • FIG. 4 shows a further embodiment of the double wall 1, which is possibly independent of itself, again using the same reference numerals or component designations for the same parts as in the preceding FIGS. 1 to 3.
  • FIG. 4 as in FIG. 3, a view according to III of FIG. 1 was also selected.
  • the rod-shaped spacers 9 are not normally arranged standing on the mat levels 5, 6, but are arranged at an angle to them. It can thereby be achieved that the spacers 9 can assume the function of the tension bars 16 from FIG. 3 and thus the tension bars 16 are not necessary in this exemplary embodiment.
  • the insulating element 23 in such an embodiment must have recesses 24 in the form of elongated holes in order to be able to guide the spacers 9 through the insulating element 23.
  • protective caps 33 are arranged on at least one end section 32 of the spacers 9, which protect the spacer 9 against corrosion or serve as a support element in the production process.
  • FIG. 5 shows a section of a spacer 9 with a schematically illustrated protective cap 33.
  • the protective cap 33 has a receiving bore 34, in which the spacer 9 can be received.
  • the protective cap 33 is not completely plugged onto the spacer 9 in order to better represent the inner workings of the protective cap 33.
  • the protective cap 33 will be plugged onto the spacer 9 until it stops.
  • a diameter 35 of the receiving bore 34 is selected to be the same size or smaller than a diameter 36 of the spacer 9. It can thereby be achieved that the protective cap 33 can be plugged under force onto the spacer 9 and is firmly seated thereon. Thus, the protective cap 33 can not be shaken down unintentionally during the manufacturing process.
  • the protective cap 33 is tapered and / or rounded in an end section 37 facing away from the receiving bore 34.
  • the protective cap 33 has a cone-like shape in the end section 37. It can thereby be achieved that the protective cap 33 is designed to be as slim as possible in the end section 37 so that the protective cap 33 on the surface of a double wall 1 is as little or as possible as possible.
  • the protective cap 33 is preferably made of a plastic material. This may be, for example, a thermoplastic material which has a high chemical resistance and a high resistance to aging.
  • a plastic material This may be, for example, a thermoplastic material which has a high chemical resistance and a high resistance to aging.
  • component 38 the semi-finished product of the double wall 1 is referred to as component 38.
  • the first reinforcing mat 3 is provided in a first method step.
  • the first reinforcing mat 3 may in this case be a purchased part or else it is also possible for the first reinforcing mat 3 to be produced directly on site by welding mat rods 7.
  • the spacers 9 are prepared, these being cut to length and can already be fitted on one side with the protective caps 33.
  • the rod-shaped spacers 9 are positioned relative to the mat bars 7 of the first reinforcing mat 3. It can be provided that the spacers 9 are positioned so that they protrude relative to the mat rods 7 of the first reinforcing mat 3 to the first projection 13. If the spacers 9 are correctly positioned, they can subsequently be welded to the mat rods 7 of the first reinforcing mat 3.
  • the reinforcing mat 3 In order to be able to position the spacers 9 projecting above the mat rods 7 of the reinforcing mat 3, it can be provided that the reinforcing mat 3 is placed on pad blocks and thus the free space for the first projection 13 is created. Furthermore, it is also conceivable that in the manufacturing process, the first reinforcing mat 3 rests on a flat surface in which recesses are introduced, wherein the spacers 9 can be introduced into these recesses and thus can be arranged above the first reinforcing mat 3 above. In yet another variant, it is also conceivable that the first reinforcing mat 3 of a gripping system of a Robot is held in position and positioned by means of another robot, the spacers 9 relative to the first reinforcing mat 3 and welded.
  • the three-dimensional reinforcing element 2 is now at least partially made to the component 38, which serves as the basis for the further process steps for the production of the double wall 1.
  • the component 38 can be well transported or positioned in a production hall or in the manufacturing process for producing the double wall 1 by means of a lifting crane within the manufacturing plant, thereby allowing the component 38 is prefabricated independently of the actual manufacturing steps for producing the double wall 1.
  • the production process for producing the double wall 1 can be considerably simplified or rationalized.
  • the insulation element 23 will now be applied to the component 38.
  • the insulation element 23, which can be provided with prepared recesses 24, can be introduced into the component 38 by means of a production robot or else by hand.
  • the insulation element 23 is plugged onto the spacers 9 welded to the first reinforcement mat 3.
  • the second reinforcing mat 4 is positioned at the normal distance 10 to the first reinforcing mat 3 and welded to the spacers 9. In this case, too, it is possible for the second reinforcing mat 4 to be held in position by means of a robotic system or other production means, and then welded.
  • a three-dimensional reinforcement element 2 can be produced, which has a high stability and in which the insulation element 23 is already integrated.
  • the support rods 19 parallel to the first reinforcement smat te 3 are positioned and welded to the spacers 9 and or the tie rods 16, so that the support plane 20 is formed.
  • the second reinforcing mat 4 can now be placed, whereby during the manufacturing process, an excessive deformation of the second reinforcing mat 4 is reduced or avoided.
  • a formwork pallet 39 for the production of the double wall 1, in particular the first wall shell 21, is prepared.
  • the shuttering pallets 39 are arranged on a surface 40 around the boundary formwork 41.
  • a concrete layer 44 is applied to the prepared formwork pallet 39 in order to provide the concrete for the first wall shell 21.
  • the concrete layer 44 is applied to the formwork pallet 39 by means of a Betonrungsvortechnikvorraum 42. It can be provided that the concrete supply device 42 is moved back and forth in a horizontal direction of movement 43, so that the concrete layer 44 is evenly distributed on the shuttering pallet 39. In this process step as much concrete is applied to the formwork pallet 39 until a sufficient amount of concrete for the desired wall thickness 26 of the first wall shell 21 is provided.
  • the prepared reinforcing element 2 can be immersed in the concrete layer 44 applied to the shuttering pallet 39 until the first reinforcing mat 3 is completely covered by the concrete layer 44.
  • the welded and thus stable reinforcement element 2 is deposited on the formwork pallet 39, wherein the spacers 9 in particular rest on the end portion 32 on the surface 40 of the shuttering palette 39.
  • the formwork pallet 39 vibrates in the production process, or that a vibrator bottle is vibrated externally into the mold Concrete layer 44 is introduced to the concrete layer 44 sufficiently to densify or homogenize.
  • the concrete layer 44 is brought to harden and thus forms the first wall shell 21.
  • the curing process can take place here at ambient conditions, or it is also possible that the curing process, for example, in a curing chamber at elevated Temperature is performed. In Fig. 9 this curing process is shown, wherein the first wall shell 21 is already brought into its final form.
  • the reinforcement selement 2 with the first wall shell 21 arranged thereon is lifted off the formwork pallet 39 by means of a lifting means and turned over.
  • the reinforcing element is immersed in the concrete layer 44 and subsequently cured the concrete layer 44, so that the second wall shell 22 is generated.
  • FIG. 11 shows a further embodiment of the reinforcing element 2 of a double wall 1, which is possibly independent of itself, wherein the same reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 10. To avoid unnecessary repetition, reference is made to the detailed description in the preceding figures 1 to 10 or reference.
  • Fig. 11 shows a perspective view of a complex reinforcing element 2, as is required for the double wall 1 of a house. As can be clearly seen from FIG. 9, provision can be made for two recesses 45, for example for windows or doors, to be provided in the reinforcement element 2.
  • At least one lifting bar 46 extending between the first 3 and second reinforcing mat 4 and welded thereto are arranged in the reinforcement element 2, by means of which the double wall 1 can be positioned or displaced with a lifting means .
  • An advantage here is that the lifting bracket 46 can be arranged as possible in the center of gravity between the two reinforcing mats 3, 4 in order to facilitate handling of the reinforcing element 2.
  • the lifting bracket 46 can contribute to an additional stabilization of the reinforcing element 2.
  • Another advantage of a lifting bar 46 welded to the reinforcing mats 3, 4 is that it is connected to the reinforcing element 2 or the double wall 1 with increased strength.
  • FIG. 12 shows a further embodiment of the double wall 1, which is possibly independent of itself, wherein the same reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 10. To avoid unnecessary repetition, reference is made to the detailed description in the preceding figures 1 to 10 or reference.
  • a double wall 1 with an insulating element 23 and an intermediate region 25, as shown in FIG. 3, it can be provided according to FIG. 11 that the intermediate region 25 is omitted.
  • sandwich wall 47 Such a design is also referred to as a sandwich wall 47.
  • both the first wall shell 21 and the second wall shell 22 directly adjoin the insulation element 23 introduced between the wall shells 21, 22.
  • the resulting sandwich wall 47 can be verhoben as a whole, or transported.
  • the insulating element 23 it is possible for the insulating element 23 to extend to an edge region of the longitudinal side or broad side of a double wall 1 or sandwich wall 47.
  • the insulation element 23 it is also possible for the insulation element 23 to be covered by one of the wall shells 21, 22 in an edge region of the longitudinal side or the broad side.
  • FIG. 13 shows a further embodiment of the reinforcing element 2 of a double wall 1, which is possibly independent of itself, wherein the same reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 12.
  • reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 12.
  • Fig. 13 shows in a perspective view a complex reinforcing element 2, as is required for the double wall 1 of a house.
  • the recesses 45 which are provided in the reinforcement element 2, for example, for windows or doors, are delimited by one or more formwork elements 48.
  • one or more shuttering elements 48 are used for external shuttering of the reinforcement element 2.
  • the formwork elements 48 are placed in the middle of the reinforcement element 2 in order to form a cavity. The cavity can serve to save on the completion of the double wall 1, in particular when pouring the double wall 1 concrete.
  • the formwork element 48 may be formed for example by a metal strip.
  • Sheet metal strip may have a wall thickness between 0.5 mm and 15 mm, preferably between 1.5 mm and 3 mm. Furthermore, it can be provided that the formwork element 46 is made of a contoured sheet metal, similar to a corrugated sheet metal. This has the advantage that a contoured sheet has increased rigidity with the same material thickness.
  • the formwork element 48 in the reinforcement element 2 can be provided that this is welded to the reinforcing mats 3, 4. It is conceivable that the formwork element 48 directly with one of the mat bars 7 of the reinforcing mats 3, 4 is welded. In particular, it can be provided that the formwork element 48 extends parallel to one of the inner mat rods 7, abuts a contact line on this and is spot welded thereto. Furthermore, it can be provided that the formwork element 48 in the region of contact with the mat rods 7 has a 90 ° bend and therefore has a tab. Such a Kantung can serve approximately to stiffen the formwork element 48. In addition, by such a Kantung a reinforced bearing surface can be created.
  • the formwork element 48 extends at an angle of 90 ° to the inner mat rods 7 and rests only selectively on the individual mat rods 7. It can also be provided that the formwork element 48 in the region of the transverse mat rods 7 has recesses in which the mat rods 7 can be accommodated.
  • the formwork element 48 can serve to give the reinforcing element 2 additional rigidity and stability.
  • a socket placeholder 49 is welded to one of the reinforcing mats 3, 4.
  • the socket placeholder 49 is preferably formed in the shape of a cuboid and also made of sheet metal, in order to be able to weld well to one of the reinforcements 3, 4 or possibly also to the rod-shaped spacers 9 and / or the tension rods 16.
  • a weld-on element is welded to the reinforcement element 2, wherein a socket receptacle is plugged onto the weld-on element before concreting the wall shell 21, 22 and the weld-on element therefore serves to receive and position the socket receptacle.
  • a Leerverrohrung 50 may be provided, through which the wiring for a to be mounted in the socket holder 49 installation can be performed.
  • the Empty piping 50 is preferably connected directly to a power outlet.
  • the empty casing 50 is held by holding clamps 51.
  • the retaining clips 51 may also be welded to the reinforcing mats 3, 4.
  • the insulation element 23 has a corresponding recess.
  • FIG. 14 shows a further exemplary embodiment of the spacer 9 with protective cap 33.
  • the protective cap 33 and the spacer 9 are shown in a half section in this embodiment variant.
  • the end portion 37 is formed in the shape of a cross.
  • the protective cap 33 is injection molded directly onto the spacers 9 by injection molding.
  • Fig. 15 shows a further embodiment of the lifting bracket 46, wherein this is shown in the installed in the wall shells 21, 22 state.
  • a transverse bar 52 is formed, which protrudes into the wall shells 21, 22.
  • the forces occurring on the lifting bracket 46 can be introduced into the wall shells 21, 22.
  • the lifting bracket 46 are welded to the bracing 3, 4 and / or the spacers 9 and / or the tension rods 16.
  • the lifting bracket 46 is inserted during production s process only in the reinforcing element 2.
  • the lifting bracket 46 is formed such that the hook tab projects partially beyond the wall shells 21, 22.
  • Fig. 16 shows a further embodiment of the lifting bracket 46, wherein this is shown in the installed in the wall shells 21, 22 state.
  • the bracket protrudes beyond the transverse bar 52. It can thereby be achieved that the hook of the lifting means can be hung as far as possible on the edge of the wall shells 21, 22 and that the transverse bar 52, which for introducing the forces in the wall shells 21, 22 is formed, as far as possible from the edge of the wall shells 21, 22 can be arranged remotely, so that the tearing of the lifting bracket 46 is prevented as well as possible.
  • a further transverse bar can also be formed.
  • FIGS. 1 to 3, 4, 5, 6 to 9, 10, 11, 12, 13, 14, 15, 16 can form the subject of independent solutions according to the invention.
  • the relevant objects and solutions according to the invention can be found in the detailed descriptions of these figures.
  • Double wall 28 Outer surface First wall shear reinforcement element le
  • first matte plane 30 inner surface first wall shell second matte plane 31 inner surface second wall matte shell

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

L'invention concerne une double paroi (1) qui comprend un premier panneau de paroi (21) en béton et un second panneau de paroi (22) en béton. Un élément d'armature (2) est au moins partiellement intégré dans le premier panneau de paroi (21) et le second panneau de paroi (22). Un élément isolant (23) est disposé entre le premier panneau de paroi (21) et le second panneau de paroi (22). Le système d'armature (2) comporte un premier treillis d'armature (3) qui est intégré dans le premier panneau de paroi (21) et un second treillis d'armature (4) qui est intégré dans le second panneau de paroi (22). Les treillis d'armature (4) comportent des tiges métalliques (7) soudées angulairement entre elles au niveau de nœuds (8) et sont maintenus à une distance (10) mesurée à angle droit l'un de l'autre, par rapport au premier plan (5) et au second plan (6) occupés par les treillis, par des entretoises (9) en forme de barres. Les entretoises (9) sont métalliques et sont reliées à demeure par des soudures (11), de préférence des soudures par résistance, à des tiges individuelles (7) du premier treillis d'armature (3) et du second treillis d'armature (4). L'invention concerne en outre un procédé de fabrication de ladite double paroi (1).
EP15771849.5A 2014-08-12 2015-08-11 Procédé de fabrication d'une double paroi Not-in-force EP3191658B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50566/2014A AT516119B1 (de) 2014-08-12 2014-08-12 Doppelwand sowie Verfahren zum Herstellen einer Doppelwand
PCT/AT2015/050199 WO2016023059A1 (fr) 2014-08-12 2015-08-11 Double paroi et procédé de fabrication d'une double paroi

Publications (2)

Publication Number Publication Date
EP3191658A1 true EP3191658A1 (fr) 2017-07-19
EP3191658B1 EP3191658B1 (fr) 2019-07-17

Family

ID=54238160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15771849.5A Not-in-force EP3191658B1 (fr) 2014-08-12 2015-08-11 Procédé de fabrication d'une double paroi

Country Status (5)

Country Link
EP (1) EP3191658B1 (fr)
CN (1) CN106795715A (fr)
AT (1) AT516119B1 (fr)
RU (1) RU2017107500A (fr)
WO (1) WO2016023059A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11248383B2 (en) 2018-09-21 2022-02-15 Cooper E. Stewart Insulating concrete form apparatus
LU103117B1 (en) * 2023-05-03 2024-11-04 B O Base One Industries Ltd wall element

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2341901A1 (de) * 1973-08-18 1975-03-06 Walther Schroeder Vorrichtung zum fertigen von zweischaligen betonplatten
US4104842A (en) * 1977-02-25 1978-08-08 Rockstead Raymond H Building form and reinforcing matrix
DE3122940A1 (de) * 1981-06-10 1982-12-30 Alfred 2351 Trappenkamp Schmidt Abstandselement fuer bewehrungseinlagen fuer betonwaende
DE3408878A1 (de) * 1983-09-07 1985-03-21 ROVO Metallverarbeitungsgesellschaft mbH, 5883 Kierspe Verbund-abstandhalter
GB2196660B (en) * 1986-10-29 1991-06-26 Shimizu Construction Co Ltd Wire mesh truss used as building wall element
GB2261001A (en) * 1991-11-04 1993-05-05 Hung Hen Chow Construction board
AT406064B (de) * 1993-06-02 2000-02-25 Evg Entwicklung Verwert Ges Bauelement
AT410688B (de) * 1996-11-21 2003-06-25 Evg Entwicklung Verwert Ges Bauelement
RO122344B1 (ro) * 2003-06-11 2009-04-30 Evg Entwicklungs-U. Verwertungs-Gesellschaft M.B.H. Instalaţie pentru fabricarea continuă a unui element de construcţie
CN101413304B (zh) * 2008-12-11 2010-06-23 中建二局第三建筑工程有限公司 现浇混凝土空心外墙及其施工方法
CN201671235U (zh) * 2010-05-26 2010-12-15 林敏� 混凝土结构用钢筋间隔件
ITBO20120506A1 (it) * 2012-09-21 2014-03-22 Schnell Spa Metodo per la realizzazione di strutture edilizie e pannello di armatura

Also Published As

Publication number Publication date
CN106795715A (zh) 2017-05-31
AT516119B1 (de) 2016-05-15
AT516119A1 (de) 2016-02-15
RU2017107500A (ru) 2018-09-13
WO2016023059A1 (fr) 2016-02-18
EP3191658B1 (fr) 2019-07-17
RU2017107500A3 (fr) 2019-03-06

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