EP3047081B1 - Abstandshalter für eine bewehrungslage, bewehrungsanordnung für ein betonbauteil sowie verfahren zur herstellung einer bewehrungsanordnung - Google Patents

Abstandshalter für eine bewehrungslage, bewehrungsanordnung für ein betonbauteil sowie verfahren zur herstellung einer bewehrungsanordnung Download PDF

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Publication number
EP3047081B1
EP3047081B1 EP14758915.4A EP14758915A EP3047081B1 EP 3047081 B1 EP3047081 B1 EP 3047081B1 EP 14758915 A EP14758915 A EP 14758915A EP 3047081 B1 EP3047081 B1 EP 3047081B1
Authority
EP
European Patent Office
Prior art keywords
spacer
reinforcement
rotation
mesh
slot
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.)
Active
Application number
EP14758915.4A
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German (de)
English (en)
French (fr)
Other versions
EP3047081A1 (de
Inventor
Uwe Mauz
Jochen Keinath
Johann Pfaff
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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 Groz Beckert KG filed Critical Groz Beckert KG
Priority to RS20180263A priority Critical patent/RS56961B1/sr
Priority to SI201430599T priority patent/SI3047081T1/en
Priority to PL14758915T priority patent/PL3047081T3/pl
Publication of EP3047081A1 publication Critical patent/EP3047081A1/de
Application granted granted Critical
Publication of EP3047081B1 publication Critical patent/EP3047081B1/de
Priority to HRP20180554TT priority patent/HRP20180554T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • 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
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
    • E04C5/167—Connection by means of clips or other resilient elements
    • 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
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • 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
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • E04C5/203—Circular and spherical spacers
    • 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
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • E04C5/206—Spacers having means to adapt the spacing distance

Definitions

  • the invention relates to a spacer for a reinforcement layer, a reinforcement arrangement for a concrete component and a method for producing a reinforcement arrangement.
  • Reinforcement arrangements can consist of structural steel. However, they increasingly have reinforcing elements made of fiber material.
  • the reinforcement arrangement may have a reinforcement layer or a plurality of mutually spaced reinforcement layers.
  • spacers are used which specify the distance between two reinforcement layers and / or the distance of a fiber reinforcement from an outer surface of the fiber concrete element produced.
  • a spacer which is to be used mainly in connection with fiber reinforcement layers, is known for example from the Internet publication www.disttex.com.
  • the spacer has a pyramidal cap and two legs extending parallel to one another starting from a flat side of the cap. In the gap between the two legs, a fiber strand section of a fiber strand of a fiber reinforcement can be accommodated. The spacer can be plugged onto a fiber strand section in the manner of a clamp. In another embodiment, two fiber strand sections of two fiber reinforcement layers are received between the two legs. On the opposite side of the cap, the gap between the two legs is closed by a closure piece. To maintain the distance between the two fiber reinforcement layers For example, the legs may be inserted through a hole in a spacer placed between the two fiber strand sections of the two fiber reinforcement layers.
  • Another spacer is for example off DE 23 05 954 A known.
  • the spacer has a hollow body which has one or more screw slots extending toward a hollow body opening.
  • the spacer can be plugged with the hollow body on the hollow body opening on a rebar and fixed by a rotation like a bayonet on the rebar. The spacer is thus aufschraub- or latched onto a rebar.
  • Out DE 89 03 324 U1 is a spacer known, which can be plugged at a crossing point between two intersecting bars of the reinforcement and snapped by a rotation.
  • the spacer on a receiving area which is bounded by two spaced-apart holding elements.
  • the holding elements are designed in each case approximately semicircular and bent in the opposite direction.
  • a passage profile is formed between the two holding elements.
  • a groove is formed on a holding surface adjacent to the receiving area.
  • the spacer may be slipped onto a point of intersection between two bars and clamped by rotation such that one reinforcing bar comes to lie in the groove, while the other reinforcing bar is gripped by the two holding elements from opposite sides. If in this case the two reinforcing bars are clamped on each other by the holding elements, an accidental turning and loosening of the spacer is avoided by the groove.
  • a spacer which works on the same principle, also shows the WO 2011/031300 A1 or the WO9960224A2 ,
  • the DE19522280A1 shows a spacer, which is specially adapted to space reinforcement bars of reinforcing mesh and lattice girders at right angles to each other with respect to a formwork panel.
  • the reinforcing bars are pressed in from above and secured by a fit, for example.
  • Another embodiment of a spacer disclosed DE 66 055 22 U1 The various embodiments are fastened to a portion of a reinforcing member by means of a flexible detent element similar to a cable tie.
  • the US 2011/0219721 A1 shows a spacer that can be locked by a rotational movement in a mesh of a reinforcing grid.
  • the spacer has for this purpose four grooves, which point from a main axis of rotation in the radial direction to the outside.
  • the spacer is inserted in an angular position of about 45 ° of the grooves to the bars through the mesh. If the grooves are at the level of the grid strands, the spacer is fixed with a rotational movement of about 45 ° in the mesh.
  • the correct axial position of the spacer to the mesh at which the rotational movement must be initiated is not determined by a mutual interaction of the spacer and the grid.
  • Spacers according to a similar principle with the same restriction are also in the CN202031252U and in the DE3545920A1 shown. It shows the CN 202 031 252 U a spacer according to the preamble of claim 1.
  • an alternative embodiment of a spacer is to be provided, which can be very easily attached to a reinforcement and is also suitable to be arranged between two parallel strands of fiber reinforcement and / or rods of a metal reinforcement.
  • the spacer according to the invention serves to produce a reinforcement arrangement and can be connected to a reinforcement by acting on the main axis of rotation with a torque that runs predominantly in the axial direction.
  • force and / or form connections are made (for more details below).
  • the spacer is preferably for spacing at least one reinforcing grid which is preferably prefabricated (the fiber strands or rods firmly connected to the grid) is present.
  • the reinforcing grid is advantageously spaced from one or more other bodies. These bodies may include further reinforcing mesh and formwork components. Immediately following the adjustment of the distance to this at least one other body, the spacing body is involved.
  • spacer body is a functional term indicating which part of the spacer mainly takes on the function of "setting the distance".
  • the grid can also be hung on a suspension with the aid of such a spacer body.
  • the spacer has a mounting arrangement which is connected to the spacer body and carries the connecting elements.
  • the connecting elements can be connected to the strands or bars of the first reinforcement layer.
  • the fastening arrangement in the interstices of the grid - so-called grid mesh - used.
  • grid meshes lie in a first plane into which the at least one fastening arrangement of the spacer is then brought.
  • the mentioned connecting elements have grooves which have a groove base and a first and a second groove wall.
  • the longitudinal axis of the groove generally extends along the circumferential direction of the spacer and the opening of the groove is substantially in the direction of the positive radial direction of the spacer.
  • the mounting assembly is brought in the insertion of the spacer in the plane of the reinforcement, so are the groove axes and also the groove bottom in this plane. In this situation, it is possible to rotate the spacer so that strand or bar sections are received by the at least one groove.
  • the recorded in this way in the groove locations of the strand or rod sections are called in this document connection points.
  • the axis about which is rotated for this purpose can be found by the skilled person depending on the geometric conditions. It advantageously extends substantially orthogonally to the reinforcement plane and through the center of the mesh into which the spacer is inserted. This main axis of rotation of the spacer also advantageously extends in the vertical direction of the spacer through the center thereof.
  • the center In two fasteners, the center is located halfway between the groove bases of the two fasteners. If four connecting elements are provided, two connecting elements will in each case be in opposition to one another, ie they will largely oppose each other. The center is then midway between the grooves of the opposing fasteners. If three connecting elements are provided, one can create (imaginary) tangents, which form a triangle, at the groove bottoms of the connecting elements. The center of gravity of the triangle is an advantageous fulcrum. For spacers with five or six fasteners can be handled comparably.
  • the groove bases of the grooves of the connecting elements have a distance corresponding to the distance between the connection points and thus generally the width or length of the mesh.
  • L2 is still smaller than the distance L4 between the main axis of rotation and the groove bottom. Further advantages arise when L2 is only 3 ⁇ 4, 2/3, 1 ⁇ 2, 1/3 or 1 ⁇ 4 of L1.
  • the distances mentioned in each case mean the shortest distances in one dimension.
  • the fastening arrangement of the at least one spacer is inserted into a mesh, so that the clamping grooves are located along the main axis at the level of the strand or bar sections of the mesh.
  • the connecting elements do not point to the later connection points of the reinforcement strands or rods, but their angular position deviates from the angular position of the connection points by a first angular amount.
  • all fasteners on insertion of the mounting arrangement of the at least one spacer at intersections of rods or strands of the first reinforcement layer.
  • grooves can be realized in which, together with the strands 8, a frictional connection or adhesion occurs, the spacer and reinforcement in the circumferential direction determines each other.
  • one of the two groove walls may be provided with a projection which projects into the interior of the groove.
  • This projection may consist of a flexible material.
  • Such a projection can thus produce a form fit, which precludes a relative movement of the reinforcement and spacers in the circumferential direction.
  • Such a projection can be referred to as a first locking element.
  • a groove according to the present document has at least one lower and one upper groove wall and the suitability for receiving a strand or rod of a reinforcement.
  • a groove base is advantageous.
  • portions of the lower and upper groove walls cover equal portions of the circumferential direction of the spacer.
  • the one groove wall can therefore be interrupted in regions of the circumferential direction of the spacer in which the other groove wall is present. Often it is advantageous if the one groove wall is interrupted in each case in the regions in the circumferential direction in which the other is present, and vice versa.
  • the various elements of the groove - here, in particular, the groove walls - form a functional unit that encompasses a connection point of a strand or rod and thus produces the desired connection.
  • the connecting elements are spaced from the main axis of rotation. They can be carried by legs pointing outwards from the main axis of rotation.
  • a disk preferably a perforated disk, is suitable.
  • a disc would have to lie outside the plane formed by the first groove walls.
  • the legs would have to leave room in this plane for the angle sections WA, in which the extension of the spacer in the radial direction is smaller than L1.
  • the spacer is equipped with a stop.
  • This stop is also outside the second plane E2, which is spanned by the first groove walls. It is advantageous if the stop lies in the third plane E3, which is spanned by the second groove walls.
  • the spacer may perform an axial relative movement to the reinforcing layer until it abuts against the stop. In this case, it can be guided past the bars of the reinforcement layer with the first groove walls so that the groove bottoms lie in the reinforcement plane.
  • the stop For the stop to be effective, it must reach out beyond the plane E2, and preferably in the plane E3, at one or more locations beyond the dimensions of the spacer in the plane E2.
  • the end of the stop must have a distance L3 which is greater than the distance L1. It is more advantageous, however, if the stop overlaps angular regions WA, in which the spacer has only an extension L2 in the second plane E2 of the first groove walls. In this case, L3 must be greater than L2. Greater benefits arise when L3 is also greater than or equal to L1.
  • fasteners it is advantageous to distribute the fasteners in the circumferential direction uniformly about the main axis of rotation. As a rule, this means that the fastening elements have equal angular distances from one another. Accordingly, for two fasteners to start from a 180 ° distance, at three of each 120 °, at four of each 90 ° and so on.
  • the at least one fastening arrangement and the reinforcement layer - possibly also several reinforcement layers - are advantageously well matched to one another (fastening system).
  • the respective advantageous individual measures in this context include a coordination between the dimensions of the meshes of the reinforcement system and the distances between the connecting elements of the at least one fastening arrangement and a coordination between the cross-sectional area and shape of the strands of the reinforcement and the dimensions and the cross-sectional area of the grooves of the connecting elements ,
  • spacers having at least two mounting assemblies offset from each other in the axial direction.
  • spacers may space at least two reinforcing layers to each other.
  • Another advantage arises when the distance between the at least two reinforcement layers and a formwork can be adjusted with the aid of the abovementioned spacing body. This can be done with at least one further spacer body. In high quantities, it is cost-effective to deliver pre-fabricated in this way to the specific requirements matched spacers. Often the spacers will be in one piece.
  • spacer bodies with different dimensions (especially axial length again) and to bring them together as required with fastening arrangements. Spacers can also be cut to length.
  • the spacer or its components such as spacer body and mounting arrangements are preferably made of plastic or fiber-reinforced plastic and are preferably produced by injection molding.
  • the main axis of rotation of the spacer will pass through the geometric center of the mesh of the reinforcement into which the respective spacer is inserted. It is also advantageous to connect at least two reinforcement layers "with no axial distance" with a fastening arrangement with each other. In this case, the reinforcing strands or rods in the grooves of the mounting assembly sit one above the other.
  • the spacers, reinforcing arrangements and methods presented in this document are related to reinforcing material containing fibers (carbon fibers, glass fibers, basalt fibers etc., often called textile reinforcement) special advantages. This can go so far that preferably metal-free reinforcements are used.
  • the problem of "floating" can occur.
  • the reinforcement arrangement floats after filling the concrete from the bottom of the formwork and thus no longer has the correct distance to the boundary of the concrete part.
  • the floating may be achieved with a second spacer body weighted in the formwork from above or e.g. is pressed down by formwork components counteracted. As a result, the desired position of the lightweight textile reinforcement arrangement in the concrete part is set securely.
  • a first positive connection between the first reinforcement layer and the at least one fastening arrangement in which the first reinforcing strand engages in the first groove This positive engagement acts in the axial direction of the spacer.
  • the rotation is usually friction between the groove walls and the reinforcing strands or rods, so that builds up a frictional engagement, which then a "return movement" of the spacer opposite to the first reinforcing layer in the circumferential direction of the spacer.
  • at least one groove can be provided with a latching element
  • FIG. 3 shows a plan view of a first simple embodiment of the spacer 1, which sits in a loop 2 and also from the Figures 1 and 2 will be shown.
  • the mounting assembly 3 is divided into two legs 5, each adjacent to the main axis of rotation 4 to each other.
  • the brace 9 indicates the length of a leg 5.
  • the in the FIGS. 1 to 3 illustrated first embodiment of a spacer is equipped with two spacers 6. The course of these two elongated body 6 coincides here with the course of the main axis of rotation 4.
  • the strands of the mesh are in the FIGS. 1 to 3 shown only simplified, in some other figures, the presentation is completely omitted for reasons of clarity.
  • L1 which has the fastening arrangement 3 between the main axis of rotation 4 and the end 22 of the first groove wall 12 is shown. This is greater than the extension L2, which has the fastening arrangement 3 in the angle sections WA between the fastening elements.
  • L1 is also the same size as L3.
  • L3 is the extension that has the mounting assembly 3 between the main axis of rotation 4 and the end of the second groove wall 13.
  • FIGS. 4 and 18 show a slightly modified first embodiment in which L3 is greater than L1.
  • the second groove wall 13 is longer than the first groove wall 12, so that the second groove wall 13 can simultaneously have the function of the stop 15:
  • FIG. 5 a second embodiment of the spacer 1 is shown, extending from the spacer 1, which in the FIGS. 1 to 3 is shown, only differs by the circular stop 17.
  • This stop is a very advantageous development of the aforementioned stop 15.
  • the stop 17 has an extension L3 in the radial direction of the spacer, which is greater than L1.
  • This extension L3 is synonymous with the radius of the circular stop 17 in the third level L3 of the second groove walls 13.
  • the size of the stop 17 is matched to the mesh 2, that in the stop position, a relatively large-area contact between the mesh 2 and circular stop comes about. How the Arret istsvorgang of such a spacer 1 comes about, once again with reference to the FIGS. 6 and 7 showing a third embodiment of the spacer 1 reveal.
  • the third embodiment four legs 5, each having a connecting element 11 with a groove 10.
  • the legs 5, fasteners 11 and the grooves each have an angular distance of 90 ° to each other (according to FIG. 5 this is 180 °).
  • FIG. 6 now shows the situation in which the spacer 1 is inserted into the mesh 2.
  • the fastening elements 11 or grooves 10 of the fastening arrangement 3 point to the intersection points 18 of the strands 8, which form the loop 2.
  • the insertion of the spacer in the mesh is hardly possible at angular positions in which the connecting elements 11 are not relatively accurate to the crossing points 18 show.
  • first reinforcement layer 16 and spacers 1 are possible in which the spacer can also be used in the first reinforcement layer 16, when the connecting elements 11 respectively grooves 10 point to strand areas that lie between the crossing points 18 and the connection points 7, ie opposite the crossing points 18 and / or the connection points 7 have an angular distance of 45 ° or 30 °.
  • FIG. 7 finally shows the situation with the spacer and the mesh FIG. 6 in which the spacer was screwed onto the bars of the reinforcement layer and thus fixed to the reinforcement.
  • FIG. 8 shows a section through a reinforcement arrangement with a fourth embodiment of a spacer 1, which define two reinforcing strands 8 in their grooves 10.
  • FIG. 9 shows a spacer 1 with two mounting arrangements 3. These are mirror images of each other, ie in particular the position of the two circular stops 17 is a mirror image, which is particularly advantageous for the first and last mounting arrangement 3 of a spacer.
  • FIG. 10 shows a modular spacer 1.
  • This spacer has a plurality of spacer 6, which are releasably attached to the mounting assemblies. This is done by means of locking elements 19, which preferably engage in notches (not shown) and produce a latching connection.
  • the male detent element can be attached both to the spacing body 6 and to the fastening arrangement 3.
  • FIG. 10 also shows the locking element 20 of the groove 10, from a groove wall in the groove Protrudes 10 and can contribute to the determination of strands 8 or rods in the groove 10.
  • FIG. 10 also shows that it is possible on the basis of the present invention to provide a spacing system with different spacing bodies 6 and fastening arrangements 3, which makes it possible to meet a wide variety of requirements.
  • FIG. 11 shows a section through a concrete component 21 in its formwork 24th
  • FIGS. 12 and 13 show a further embodiment of a spacer, wherein the mounting arrangement comprises a disc 25 on which the connecting elements 11, which in turn include the grooves 10, are arranged.
  • the side view in FIG. 13 discloses that the disc 25 extends only along the third plane E3 of the second groove walls 13.
  • the disc 25 carries the connecting elements 11, which in turn - here - each form a groove 10 or include.
  • the connecting elements are again distributed uniformly over the circumference of the spacer.
  • the spacer shown is without legs 5, which can also extend in the planes E1 or E2.
  • the disk 25 may be perforated, which facilitates their naturalström tone with concrete.
  • FIG. 14 again shows a reinforcement layer 16 of strands 8, which intersect at crossing points 18.
  • the reinforcement layer 16 shown would also be referred to by the person skilled in the art as a grid.
  • the stitches 2 are square; However, they can also be rectangular - that is, have a length L which differs from the width B.
  • Textile reinforcement layers - ie those that contain or exclusively consist of fibrous material - can be brought into the "lattice form" in the form of loops or fabrics. "Baustahlgitter” are primarily scrim.
  • the dashed square 27 indicates the scope of the term "mesh”.
  • the spacers according to the invention are suitable both for textile and for conventional reinforcing layers of steel or the like. However, the additional advantages in the area of textile reinforcement layers should be emphasized.
  • FIG. 15 shows once again a spacer 1 in the side view and clarifies the terms used in this document.
  • FIG. 16 shows a rectangular mesh in which the length L is greater than the width B and in which a correspondingly adapted spacer 1 is inserted.
  • This has two long legs 5a along the length L and two short legs 5b along the width B.
  • the center of the spacer 1 is the main axis of rotation 4, which coincides with the center of the mesh 2 or passes through this.
  • the spacer 1 off FIG. 16 is again only equipped with stops 15, which are only an extended second groove wall 13.
  • FIG. 16 from the shape of its connecting elements 11 at the ends of the legs 5a, b to the FIGS. 4 and 5 ,
  • Two of the four connecting elements 11 and their grooves 10 point in the longitudinal direction L to the outside, two point in the width direction B to the outside. It could also be said that the connecting elements 11 pointing in the width direction B and in the lengthwise direction L each form a pair that is in opposition to each other. If one of the two connecting elements 11 of the pair gets into contact with the associated strand 8 of the loop 2 during the rotation of the spacer 1 about its main axis of rotation 4, a counter force is also produced which acts on the other connecting element of the pair and the connection between the same 11 and the associated strand 8 is supported. For this reason, it is advantageous if pairs of connecting elements are arranged in the manner described.
  • FIG. 17 shows a further section through a concrete component 21 in its formwork 24, which is equipped with a special Beabstandungsharm 6.
  • spacer body is initially a functional term. In the figures described so far, there are primarily cylindrical spacer bodies 6. In addition, these bodies run along the main axis of rotation 4. However, spacer bodies 6 can also run parallel to this axis. Most important is an expansion in the axial direction z.
  • the spacer body 6 in FIG. 17 is equipped with a hook 26 in which, for example, a wire can be hung (other fasteners for wire or rope such as an eye are conceivable here). This hook 26 shares one Tensile load the whole Beabstandungsêt 6 with, so that the entire spacer 1 and thus the reinforcement 16 can be suspended during setting in concrete.
  • FIG. 19 shows a perspective view of another spacer 1, which also in the FIGS. 20 and 21 is pictured.
  • This spacer 1 has grooves 10 which are delimited in the axial direction z of the spacer 1 by first 12 and second groove walls 13.
  • the first groove wall 12 is interrupted in the areas of the circumferential direction ⁇ in which the second groove wall 13 is present and vice versa (ie the interruption has an extension, especially in the radial and in the circumferential direction).
  • the second groove walls 13 are at the same time part of the circular stop 17, which is interrupted in the circumferential direction ⁇ at the points where the first groove wall 13 is present (strictly speaking, he is no longer a circle).
  • the brace 30 indicates the wrap area of the groove 10. In this wrap region, the groove 10 surrounds the connection point 7 of a strand 8 of the first reinforcement layer 16. It could also be said that the brace 30 indicates the region in the circumferential direction ⁇ in which the groove 10 is effective (functional region of the groove 10). The wrap area thus results here from the region in which the first and / or the second groove wall surrounds the strand and in this case causes a positive connection in the axial direction z of the spacer.
  • strand 8 is shown transparent in this figure so that the groove walls 12, 13 remain visible.
  • LIST OF REFERENCE NUMBERS 1 spacer 2 mesh 3 mounting assembly 4 Main axis of rotation 5 leg 5a long leg 5b short leg 6 spacer body 7 joints 8th strand 9 Brace 10 groove 11 connecting element 12 First groove wall 13 Second groove wall 14 groove base 15 attack 16 First reinforcement layer 17 Circular stop 18 Cross points of the strands 19 Locking element of the spacer body 20 Locking element of the groove 21 concrete component 22 End of the first groove wall 23 End of the second groove wall 24 formwork 25 disc 26 hook 27 Dashed square 28 Second reinforcement 29 reinforcement arrangement 30 curly brace wrapping area / functional area of the groove 10 A Distance of reinforcement layer 16 - other body: B Width of the mesh L Length of the mesh L1 Expansion of the mounting assembly 3 from the main axis of rotation 4 to the end 22 of the first groove wall 12th L2 Extension of the fastening arrangement 3 in the angular range WA between the connecting elements 11.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
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EP14758915.4A 2013-09-18 2014-09-03 Abstandshalter für eine bewehrungslage, bewehrungsanordnung für ein betonbauteil sowie verfahren zur herstellung einer bewehrungsanordnung Active EP3047081B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
RS20180263A RS56961B1 (sr) 2013-09-18 2014-09-03 Distantni element za sloj za ojačanje, sklop za ojačanje za betonsku komponentu, kao i postupak za proizvodnju sklopa za ojačanje
SI201430599T SI3047081T1 (en) 2013-09-18 2014-09-03 Spacer for the reinforcing layer, the dashboard for the concrete construction element and the method for the manufacture of the reinforcing structure
PL14758915T PL3047081T3 (pl) 2013-09-18 2014-09-03 Element dystansowy do warstwy zbrojenia, układ zbrojenia do elementu betonowego i sposób wytwarzania układu zbrojenia
HRP20180554TT HRP20180554T1 (hr) 2013-09-18 2018-04-05 Razmaknica za ojačavajući sloj, sustav ojačanja za betonsku komponentu, te postupak proizvodnje sustava ojačanja

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013015434.0A DE102013015434A1 (de) 2013-09-18 2013-09-18 Abstandshalter für eine Bewehrungslage, Bewehrungsanordnung für ein Betonbauteil sowie Verfahren zur Herstellung einer Bewehrungsanordnung
PCT/EP2014/068715 WO2015039869A1 (de) 2013-09-18 2014-09-03 Abstandshalter für eine bewehrungslage, bewehrungsanordnung für ein betonbauteil sowie verfahren zur herstellung einer bewehrungsanordnung

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Publication Number Publication Date
EP3047081A1 EP3047081A1 (de) 2016-07-27
EP3047081B1 true EP3047081B1 (de) 2018-01-17

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EP14758915.4A Active EP3047081B1 (de) 2013-09-18 2014-09-03 Abstandshalter für eine bewehrungslage, bewehrungsanordnung für ein betonbauteil sowie verfahren zur herstellung einer bewehrungsanordnung

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EP4212683A1 (de) 2022-01-17 2023-07-19 Hubert Graf Abstandshalter, anordnungen mit mindestens einem solchen abstandshalter und verfahren zur errichtung eines gebäudeelements

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Publication number Priority date Publication date Assignee Title
EP4212683A1 (de) 2022-01-17 2023-07-19 Hubert Graf Abstandshalter, anordnungen mit mindestens einem solchen abstandshalter und verfahren zur errichtung eines gebäudeelements
DE102022100942A1 (de) 2022-01-17 2023-07-20 Hubert Graf Abstandshalter, Anordnungen mit mindestens einem solchen Abstandshalter und Verfahren zur Errichtung eines Gebäudeelements

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PL3047081T3 (pl) 2018-07-31
JP2016534254A (ja) 2016-11-04
KR20160045913A (ko) 2016-04-27
HRP20180554T1 (hr) 2018-06-01
DK3047081T3 (en) 2018-03-26
CN105531430B (zh) 2017-05-10
RS56961B1 (sr) 2018-05-31
HUE038522T2 (hu) 2018-10-29
WO2015039869A1 (de) 2015-03-26
RU2634674C2 (ru) 2017-11-02
NO2975327T3 (zh) 2018-03-10
EP3047081A1 (de) 2016-07-27
DE102013015434A1 (de) 2015-04-02
RU2016114515A (ru) 2017-10-23
US20160222663A1 (en) 2016-08-04
US10253501B2 (en) 2019-04-09
SI3047081T1 (en) 2018-04-30
KR101661503B1 (ko) 2016-09-30
CN105531430A (zh) 2016-04-27
JP6081020B2 (ja) 2017-02-15

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