EP2097191B1 - Structure de grille - Google Patents

Structure de grille Download PDF

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Publication number
EP2097191B1
EP2097191B1 EP07718441A EP07718441A EP2097191B1 EP 2097191 B1 EP2097191 B1 EP 2097191B1 EP 07718441 A EP07718441 A EP 07718441A EP 07718441 A EP07718441 A EP 07718441A EP 2097191 B1 EP2097191 B1 EP 2097191B1
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EP
European Patent Office
Prior art keywords
bars
wire
loops
grid structure
structure according
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EP07718441A
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German (de)
English (en)
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EP2097191A1 (fr
Inventor
Josef Krismer
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Individual
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Priority to PL07718441T priority Critical patent/PL2097191T3/pl
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F29/00—Making fencing or like material made partly of wire
    • B21F29/02—Making fencing or like material made partly of wire comprising bars or the like connected by wires
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]

Definitions

  • the invention relates to a grid construction, in particular a reinforcing grid or floor mounting grid, with a plurality of wire formed from zigzag curved wires, juxtaposed wire webs and a plurality of, in particular parallel to each other, rods, wherein the wires of the wire webs, the rods in the form of substantially closed Loop around loops.
  • a generic grid construction is for example from the GB 191501422 known.
  • the rods guided through the loops of the wire webs are substantially perpendicular to the planes formed by the zigzag wire paths.
  • this construction by itself, so even before introducing filler, holds in itself.
  • Practice has shown, however, that while arranging rods in substantially closed loops ensures some initial stability, the loops are re-expanded relatively quickly by movement of the mesh structure, so that the rods are no longer held sufficiently tightly in the loops of the zigzag wire paths ,
  • the object of the invention is therefore to improve generic lattice structures to the effect that a stable grid structure is created without additional connection measures.
  • the substantially closed design of the loops can be achieved by various measures. For example, it may be provided that in each case two legs of the wires to form one, preferably all, intersect crosses in an intersection region, wherein the smallest distance of the legs of the wires to each other in the intersection region is less than three times the wire thickness, in particular smaller than that Wire thickness, is. In addition or instead, however, it is also possible to produce a substantially closed loop by the wire of the wire paths is spirally turned several times around a center of the loop thought. This is achieved when the wire of the wire web is wound more than 360 ° around this center to form the substantially closed loop. In this variant as well, the individual turns of the spiral formed by the wire are advantageously as close as possible to one another.
  • the attachment of the rods in the loops of the wire webs based on additional concerns of two adjacent loops together. It is not significant whether for other reasons in addition connecting brackets od. The like. Are attached to the joints between wires and rods, as long as the construction remains stable by the clamping effect after removal of these additional fasteners in itself.
  • Verklemm cement may optionally also the mutual concern and thus supporting each other of two adjacent loops are used to further increase the stability of the construction.
  • While jamming of the rods in the loops of the wire webs is already possible by twisting or tilting in one direction, preferred embodiments provide that the rods for clamping in the loops of the wire webs are twisted or tilted at least in two directions against the loops. Due to the double tilting or twisting a particularly strong clamping effect is caused.
  • Such grid structures can be made particularly simple if the surface of an inner opening of a loop is so large that the rod is substantially freely movable in its arrangement substantially perpendicular to an opening plane of the loop in the direction of the longitudinal extent of the rod.
  • the grid construction can be used both for concrete reinforcement and as a floor fastening grid.
  • the smallest distance in the crossing region 5 is less than three times the thickness of the wire, preferably smaller than the thickness of the wire. As a result, a substantially closed loop 3 is formed.
  • the rods 2, 2 'by jamming in two different directions, as described below with reference to Fig. 5a-7c is explained in detail attached.
  • the wire webs 1, 1 ' are essentially planar in the sense that the height of the wire webs perpendicular to their longitudinal extent 9 and perpendicular to their transverse extent 10 is less than five times, preferably less than three times, the wire thickness of the wire web 1, 1 'is.
  • the layers of the planes formed by them are in the side view according to Fig. 2 shown on the grid construction.
  • the levels of the wire paths result in mathematically exact sense by imaginary approximation of the wire thickness to zero.
  • Fig. 2 It can also be clearly seen that the loops of two wire webs 1, 1 'arranged adjacent to the bars 2, 2' do not engage with one another. This is particularly favorable in terms of ease of manufacture of the grid construction.
  • the wire webs 1, 1 ' are arranged exclusively in the direction in which their longitudinal extent 9 perpendicular to the longitudinal extent 11 of the bars 2, 2' extends. It is therefore not necessary to provide additional wire webs 1, 1 'in the direction of the longitudinal extent 11 of the bars 2, 2' or diagonally thereto or in other directions. The same applies to the bars 2, 2 '. These too are arranged exclusively parallel to each other in the embodiments shown.
  • the rods 2, 2 ' are straight in the embodiment shown and have a circular cross-section. This is preferably provided, since no special shaping of the bars 2, 2 'is necessary, which in turn simplifies the manufacturability of the grid. However, it is also possible in other embodiments, the bars 2, 2 'following the requirements of the overall construction to perform bent or shape their cross section deviating from the circular shape. Depending on the requirements and intended use, rods 2, 2 'having the same shape and equal tensile strengths can be used in the various planes 4, 4'. However, it is also possible to use different rods 2, 2 'made of different materials and / or with different tensile strengths and / or with different diameters in the different planes 4, 4'.
  • the freely accessible intermediate spaces 13 can be used to Piping, empty piping or bodies with lower density to bring.
  • the body with lower density can be saved in the central part of the overall construction then weight, since no concrete is needed here. If pipes or empty piping are introduced into the free spaces, this is a simple and elegant way of laying water or electricity or other supply lines in the concrete body.
  • Fig. 1 to 10 are the wire webs 1, 1 'and their loops 3 by twisting or tilting in two different directions with the rods 2, 2 'jammed.
  • the Fig. 5a-5c serve to explain the jamming by twisting the wire webs 1, 1 'relative to the bars 2, 2' in a first direction.
  • Fig. 6a-6c Based on Fig. 6a-6c the additional tilting of the wire webs 1, 1 'is shown against the bars 2, 2' in a second direction.
  • the Fig. 7a-7c show the end result.
  • Fig. 5b shows in a plan view of the grid construction, first the position in which the rods 2 'in the loops 3 are substantially freely inserted.
  • the area of the inner opening of the loop 3 is chosen so large that the rod 2, 2 'in its arrangement substantially perpendicular to the opening plane 14 of the loop 3 in the direction of its longitudinal extent 11 is substantially freely movable in the loop.
  • the rod 2 ' can be inserted into the loop 3.
  • the wire web represented by the legs 6, 6 ', then in the direction of in Fig. 5b shown arrows until they are in the in Fig. 5c shown top view is arranged substantially perpendicular to the longitudinal extension 11 of the rods 2, 2 'twisted.
  • the opening plane 14 is arranged at an angle deviating from 0 ° relative to the longitudinal extent 9 of the wire web or against the plane 12 of the wire web 1, 1 '.
  • the angle between the opening plane 14 and the plane 12 of the wire web is specified in the embodiment shown by the size of the surface of the inner opening of the loop 3, the wire thickness and the distance between the legs 6, 6 'in the intersection region 5.
  • a rotation angle a between 20 to 30 ° is favorable. In the illustrated embodiment, a is about 25 °.
  • Fig. 5a shows in a side view according to Fig. 3 the position between the rod 2 'and the wire web 1 before the beginning of twisting, so in the in a plan view in Fig. 5b shown position.
  • Fig. 5a to 5c show the wire webs 1, 1 'in the embodiment shown also tilted in a side view of the grid structure against a longitudinal extent 11 of the wire webs 1, 1' in an angle deviating from the vertical 8 angle ⁇ .
  • Fig. 6b shows in a side view the state before tilting in the direction of the arrows drawn in this figure.
  • Fig. 6c shows the state after tilting.
  • the tilt angle ⁇ is favorably between 20 and 40 °, in the illustrated embodiment about 30 °.
  • the side view according to Fig. 6c is a detailed view Fig. 2 in which the tilt angle ⁇ is also drawn.
  • Fig. 5b shown position inserted into the loops 3. Subsequently, the rotation takes place in the position according to Fig. 5c So, turning in a first direction. In a further step then the tilting takes place by the angle ⁇ in a second direction, which in the in Fig. 6c shown position results.
  • the Fig. 7a, 7b and 7c show detailed views of the final result of this twisting and tilting. Although the jamming of the rods 2, 2 'in the loops 3 of the wire web 1, 1' is favorably brought about by both turning and tilting operations, it is still possible to bring about the attachment only by twisting or only by tilting.
  • the wire thicknesses are generally smaller than the smallest diameter of the rods 2, 2 '. In terms of the most rigid possible jamming, it is favorable if the wire thickness is at most half the smallest diameter of the rods 2, 2 '.
  • tensile strengths of the material used between 400 and 600 N / mm 2 are usually to be selected.
  • the bars 2, 2 ' generally have higher tensile strengths than the wires - usually in the range between 400 and 2500 N / mm 2 - on.
  • the rods 2, 2 'can consist not only of corresponding steels but also of, for example, preferably high-tensile and / or fiber-reinforced plastics or have these. Again, pay attention to appropriate tensile strength values.
  • a coating preferably of one or more zinc or zinc alloy layers, may be provided for corrosion protection. It is favorable in a lattice construction according to the invention that the initially applied to the bars 2, 2 'and the wires of the wire web 1, 1' coating is not destroyed or impaired by the manufacture of the construction. Instead of a coating, of course, a suitably trained, stainless steel can be selected for corrosion protection. In selecting the material and the coating, the skilled person can rely on existing standards To fall back on. These would be EN 10080 for reinforcement of concrete. It may also be used on materials known for the manufacture of fences according to EN 10223.
  • EN 10264 which deals mainly with the production of ropes, the skilled artisan corresponding material.
  • EN 10337 for prestressing steel wires and EN 15630-1 for reinforcement and prestressing of concrete can be used.
  • EN 10244 should be used if necessary.
  • Corresponding stainless steels can be found in EN 10088. The choice of material as well as the question whether the upper bars 2 'and the lower bars 2 are made of the same material with the same tensile strengths or not, must always be tailored to the respective requirements in order to ensure an optimal adaptation to the intended use.
  • the Fig. 8a to 8d show various ways in which the ends of the wire webs 2, 2 'can be bent. However, bending the ends is not absolutely necessary.
  • a hook-shaped formation of the ends of the rods 2, 2 'according to the Fig. 8a and 8b may be intended to hook such a hook in adjacent panels of the construction or the like.
  • the provision of ring-like terminations according to the Fig. 8c and 8d can be provided if the material savings on overlapping two adjacent grid structures should be dispensed with. Through the rings, it is possible to connect two panels or grid structures with an inserted into the rings connecting rod. If the material savings are not necessarily in the foreground, then the connection between two panels or grid structures can also be achieved simply by placing two adjacent panels into each other.
  • the length of the grid construction or panels ie their extension in the direction of 11, is basically to adapt to the needs and transport options. In earthworks, in which the grid construction is used as a floor mounting grid, panel lengths of about 3 m are often preferred. When used as concrete reinforcement, the grid lengths can be based on today's standard lengths. These are eg 3, 4, 5, 6, 8 and 12.50 m. Nevertheless, the construction according to the invention can be made in any length and size. Even a cut on site at the construction site to the appropriate lengths and widths is possible at any time.
  • Fig. 10 shows in one too Fig. 2 analog side view that the loops 3 not immediately adjacent or adjacent to each other on the bars 2, 2 'must be arranged. It can according to Fig. 10 Also, a greater distance between each two adjacent wire webs 1, 1 'along the longitudinal extension 11 of the rods 2, 2' are selected, resulting in a material and weight savings.
  • the first embodiment according to Fig. 1 to 4 has the advantage that the loops 3 adjacent wire webs 1 and 1 'at high load in addition to jamming can also support each other.
  • the loops 3 are formed substantially closed, by crossing two legs 6, 6 'of the wires to form one of the loops in an intersection region 5, wherein the smallest distance of the legs 6, 6' of the wires to each other in the intersection region 5 is smaller than that Threefold the wire thickness, in particular smaller than the wire thickness is.
  • this is not the only way to create essentially closed loops.
  • Fig. 11a and 11b show detailed views analogous to the Fig. 7b and 7c a variant in which the wire to form the loop 3 is wound more than 360 ° around the imaginary center of the loop 3. This results in a helical arrangement of the wire in the region of the loop 3.
  • the criterion is satisfied that the legs 6 and 6 'are not more than three times the thickness of the wire away from each other in the crossing region 5.
  • this need not necessarily be provided, since the loop 3 is already substantially closed by the helical arrangement of the wire.
  • the wires are in the region of the loop 3 conveniently again together.
  • the rod 2 or 2 ' can be twisted and tilted in two directions for clamping in the loop. Analogous to that in the Fig. 5a to 6c for the first embodiment is shown. However, in particular in the helical formation of the loop, it is often sufficient to tilt the rods 2, 2 'either only in the loops 3 or only to turn them.
  • Fig. 12a and 12b shown fourth embodiment differs in that the legs 6 and 6 'do not intersect. They are wound in the direction of travel by more than 360 °. This improves the stackability.
  • the third and fourth embodiments can be carried out analogously to the two embodiments previously shown, so that representations to the entire grid construction and explanations to further details omitted with reference to the other embodiments omitted can.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Wire Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Golf Clubs (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Road Paving Structures (AREA)

Claims (17)

  1. Structure de grille, en particulier d'une grille d'armature ou d'une grille de fixation au sol, comprenant une pluralité de bandes en fils, disposées les unes à côté des autres, formées à partir de fils pliés en zigzag, et une pluralité de barres, en particulier s'étendant parallèlement entre elles, les fils des bandes en fils enlaçant les barres sous forme de boucles pratiquement fermées, caractérisée en ce que, pour assurer la fixation sur les bandes en fils (1, 1'), les barres (2, 2') sont serrées dans les boucles (3) des bandes en fils (1, 1'), en ce que, pour assurer le serrage dans les boucles (3) des bandes en fils (1, 1'), les barres (2, 2'), sont tournées ou disposées de manière inclinée, par rapport aux plans d'ouverture des boucles (3).
  2. Structure de grille selon la revendication 1, caractérisée en ce que la fixation des barres (2, 2') dans les boucles (3) des bandes en fils (1, 1') repose exclusivement sur le serrage, le cas échéant avec mise en appui supplémentaire l'une sur l'autre de deux boucles voisines.
  3. Structure de grille selon la revendication 1 ou 2, caractérisée en ce que, pour assurer le serrage dans les boucles (3) des bandes en fils (1, 1'), les barres (2, 2'), sont tournées ou disposées de manière inclinée, au moins dans deux directions, par rapport aux boucles (3).
  4. Structure de grille selon l'une des revendications 1 à 3, caractérisée en ce que, pour assurer le serrage des barres (2, 2') dans les boucles (3), en observant en vue de dessus sur la structure de grille, les bandes en fils (1, 1') sont disposées tournées de préférence selon une orientation sensiblement perpendiculaire à une étendue longitudinale (11) des barres (2, 2').
  5. Structure de grille selon l'une des revendications 1 à 4, caractérisée en ce que, pour assurer le serrage des barres (2, 2') dans les boucles (3), les bandes en fils (1, 1') sont disposées, le cas échéant en plus, inclinées à un angle (β) à partir de la perpendiculaire (8), par rapport aux barres (2, 2'), en observant en vue de côté sur la structure de grille.
  6. Structure de grille selon l'une des revendications 1 à 5, caractérisée en ce que l'aire d'une ouverture intérieure d'une boucle (3) est si grande que la barre (2, 2'), lors de son agencement, est déplaçable sensiblement librement, perpendiculairement à un plan d'ouverture de la boucle (3), en direction de l'étendue longitudinale (11) de la barre (2, 2').
  7. Structure de grille selon la revendication 6, caractérisée en ce que le plan d'ouverture (14) de la boucle (3) est disposé sous un angle différent de 0° par rapport à l'étendue longitudinale (9) de la bande en fils (1, 1').
  8. Structure de grille selon l'une des revendications 1 à 7, caractérisée en ce que l'épaisseur de fil est inférieure au diamètre minimal des barres (2, 2'), de préférence est au maximum à la moitié du diamètre minimal des barres (2, 2').
  9. Structure de grille selon l'une des revendications 1 à 8, caractérisée en ce que les boucles (3) de deux bandes en fils (1, 1') disposées de manière voisine sur les barres (2, 2') ne s'engagent pas les unes dans les autres.
  10. Structure de grille selon la revendication 1 ou 2, caractérisée en ce que les bandes en fils (1, 1') sont de configuration sensiblement plane, au sens où la hauteur des bandes en fils (1, 1'), perpendiculairement à leur étendue longitudinale (9) et perpendiculairement à leur étendue transversale (10), est inférieure au quintuple, de préférence inférieure au triple, de l'épaisseur de fil de la bande en fils (1, 1').
  11. Structure de grille selon l'une des revendications 1 à 10, caractérisée en ce que les barres (2, 2') sont disposées en au moins deux plans (4, 4') espacés les uns des autres.
  12. Structure de grille selon la revendication 11, caractérisée en ce que l'espacement (7) mutuel des plans (4, 4') formés par les barres (2, 2') est un multiple, de préférence d'au moins le décuple, du diamètre maximal des barres (2, 2').
  13. Structure de grille selon l'une des revendications 11 ou 12, caractérisée en ce que les barres (2, 2') de différents plans (4, 4') présentent des résistances à la traction différentes.
  14. Structure de grille selon l'une des revendications 11 à 13, caractérisée en ce que deux boucles (3) voisines d'une bande en fils (1, 1') entourent des barres (2, 2') provenant de plans (4, 4') différents.
  15. Structure de grille selon l'une des revendications 1 à 14, caractérisée en ce que, chaque fois, deux branches (6, 6') des fils servant à former l'une des boucles (3) se croisent dans une zone de croisement (5), l'espacement minimal des branches (6, 6') des fils entre elles, dans la zone de croisement (5), étant inférieur au triple de l'épaisseur de fil, en particulier inférieur à l'épaisseur de fil.
  16. Structure de grille selon l'une des revendications 1 à 15, caractérisée en ce que le fil de la bande en fils (1, 1') servant à constituer la boucle (3) pratiquement fermée est enroulé sur plus de 360° autour d'un centre de la boucle (3).
  17. Structure de grille selon la revendication 16, caractérisée en ce que les branches (6, 6') limitrophes aux boucles (3) ne se croisent pas.
EP07718441A 2006-10-18 2007-05-11 Structure de grille Active EP2097191B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07718441T PL2097191T3 (pl) 2006-10-18 2007-05-11 Konstrukcja kratowa

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT17372006 2006-10-18
AT0179106A AT503657B1 (de) 2006-10-18 2006-10-24 Gitterkonstruktion
PCT/AT2007/000229 WO2008046117A1 (fr) 2006-10-18 2007-05-11 Structure de grille

Publications (2)

Publication Number Publication Date
EP2097191A1 EP2097191A1 (fr) 2009-09-09
EP2097191B1 true EP2097191B1 (fr) 2010-04-28

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EP07718441A Active EP2097191B1 (fr) 2006-10-18 2007-05-11 Structure de grille

Country Status (8)

Country Link
US (1) US20090235610A1 (fr)
EP (1) EP2097191B1 (fr)
JP (1) JP2010507030A (fr)
AT (2) AT503657B1 (fr)
DE (1) DE502007003633D1 (fr)
ES (1) ES2344481T3 (fr)
PL (1) PL2097191T3 (fr)
WO (1) WO2008046117A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA026350B1 (ru) * 2012-05-01 2017-03-31 ЭмСиТи МЕШ КОНСТРАКШН ТЕКНОЛОДЖИ ХОЛДИНГ Б.В. Сэндвич-панель, способ сборки такой сэндвич-панели, сердцевина такой сэндвич-панели и здание, построенное из множества таких сэндвич-панелей
DE102016124850A1 (de) * 2016-12-19 2018-06-21 Geobrugg Ag Gitterstruktur und Verfahren zur Herstellung einer Gitterstruktur

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191501422A (en) * 1915-01-28 1916-01-27 Arthur William Curran Schelff Improvements in or relating to Ferro-concrete Structures.
GB117915A (en) * 1917-06-08 1918-08-08 Joah Haigh Walker Improvements in and relating to Metal Reinforcement for Concrete.
US1727147A (en) * 1924-02-06 1929-09-03 Weston Harry Metal reenforcement for concrete structures
GB240018A (en) * 1924-10-27 1925-09-24 George William Stokes Improvements in or connected with metal re-inforcements for concrete and like work
GB374582A (en) * 1931-04-30 1932-06-16 Patrick Sandeman Reid Improvements relating to reinforcement for concrete and like constructions
US2140283A (en) * 1936-11-21 1938-12-13 Faber Herbert Alfred Monolithic slab floor construction
US3347007A (en) * 1964-12-18 1967-10-17 Jesse R Hale Embedded spaced truss structures
JP3004226B2 (ja) * 1997-07-11 2000-01-31 一志 毅 法面保護工法及び該工法に用いる金網
JP3043000B2 (ja) * 1997-10-02 2000-05-22 侃 田代 立体トラス複合板
JPH11293678A (ja) * 1998-04-09 1999-10-26 Takeshi Isshi 法面保護工法
JP2886160B1 (ja) * 1998-05-19 1999-04-26 沼田金属工業株式会社 床構造材
AT412356B (de) * 2003-04-02 2005-01-25 Krismer Josef Gitterkonstruktion

Also Published As

Publication number Publication date
WO2008046117A1 (fr) 2008-04-24
DE502007003633D1 (de) 2010-06-10
AT503657B1 (de) 2007-12-15
AT503657A4 (de) 2007-12-15
US20090235610A1 (en) 2009-09-24
EP2097191A1 (fr) 2009-09-09
PL2097191T3 (pl) 2010-10-29
ES2344481T3 (es) 2010-08-27
ATE465831T1 (de) 2010-05-15
JP2010507030A (ja) 2010-03-04

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