EP0394815B1 - Cage d'armature en acier - Google Patents

Cage d'armature en acier Download PDF

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Publication number
EP0394815B1
EP0394815B1 EP90107309A EP90107309A EP0394815B1 EP 0394815 B1 EP0394815 B1 EP 0394815B1 EP 90107309 A EP90107309 A EP 90107309A EP 90107309 A EP90107309 A EP 90107309A EP 0394815 B1 EP0394815 B1 EP 0394815B1
Authority
EP
European Patent Office
Prior art keywords
reinforcing
profiles
bends
profile
reinforcement
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.)
Expired - Lifetime
Application number
EP90107309A
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German (de)
English (en)
Other versions
EP0394815A1 (fr
Inventor
Hinrich Podendorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Priority claimed from DE19893938508 external-priority patent/DE3938508A1/de
Application filed by Individual filed Critical Individual
Publication of EP0394815A1 publication Critical patent/EP0394815A1/fr
Application granted granted Critical
Publication of EP0394815B1 publication Critical patent/EP0394815B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04C5/01—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
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0609—Closed cages composed of two or more coacting cage parts, e.g. transversally hinged or nested parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/121—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars
    • B21F27/125—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by attaching individual stirrups to longitudinal wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/121—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars
    • B21F27/127—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by bending preformed mesh

Definitions

  • the invention relates to a reinforcement cage made of rebar for building and / or civil engineering according to the preamble of claim 1 and a method for its production.
  • reinforcement cages for concrete construction are manufactured in such a way that the reinforcement brackets are individually machine-bent, manually aligned with each other in a corresponding number and at any point where the reinforcement brackets intersect or touch with the static reinforcing steel profiles Wiring.
  • the known reinforcement cages are generally manufactured on construction sites, since they are too unstable for transport because of the wiring of the reinforcement stirrups with the static reinforcing steel profiles.
  • the reinforcement cages are poured into concrete after alignment on the construction site to the finished structure.
  • the manually manufactured basket is very unstable because the reinforcement brackets are wired to the static reinforcing steel profiles. Therefore, errors can occur due to improper concreting or improper handling of the reinforcement cages by the personnel.
  • Another disadvantage is that, due to the wire connections between the reinforcement brackets and the static reinforcing steel profiles, it is hardly possible to transport larger reinforcement cages to construction sites, as the reinforcement brackets can jam with one another and to the static reinforcing steel profiles or from their position under the shocks during transport brought and a final satisfactory leveling on the construction site before concreting is generally not possible.
  • EP-A-0 136 283 describes a reinforcement cage made of rebar for building or civil engineering, which has reinforcement brackets and static reinforcing steel profiles, a plurality of reinforcement profiles having a U-shaped lock in their end region and with perpendicular to the reinforcement profiles running centering and assembly profiles form a reinforcement bracket group and the reinforcement bracket group is connected to the static reinforcing steel profiles at predetermined locations to form the reinforcement cage.
  • Each of the reinforcement cages described in EP-A-0 136 283 always consists of a plurality of reinforcement bracket groups which are connected to one another in the area of their locks by common pull-in bars. With such reinforcement cages, at least two reinforcement bracket groups are always necessary to form a reinforcement cage.
  • the advantage of this two-part or multi-part design is undoubtedly the favorable stackability, which can be less favorable and, above all, not so space-saving with "all-round" reinforcement cages.
  • the dimensions of the individual reinforcement bracket groups must always be matched to one another so that the associated locks can be connected to a common pull-in bar when they are assembled into reinforcement cages.
  • a reinforcement cage with the features of the preamble of claim 1 is known from US-A-3375632.
  • both centering and mounting profiles are arranged outside the lock area on the outside of the bracket and the lock consists of two U-shaped hooks. This arrangement is disadvantageous in terms of bending technology.
  • the invention has for its object to provide a reinforcement cage that is easy to bend and with a few basic forms of bracket groups allows a variety of possible basket sizes with space-saving storage and transport options.
  • each reinforcement bracket group has exactly two common centering and mounting profiles) that the lock of the reinforcement profiles bent to form a reinforcement bracket group has a U-shaped hook at one end of the reinforcement profile and is formed by an angle hook at the other end of the reinforcement profile, that each reinforcement bracket is essentially bent into a rectangle, that the first centering and mounting profile is arranged on the inside of the U-shaped hook and is encompassed by the angle hook and that the further centering and mounting profile is arranged inside on a side of the rectangle adjacent to the lock outside the area of the lock.
  • the reinforcement stirrups made of bent reinforcing steel and the centering and assembly profiles connected to them form a dimensionally stable bond, although the connection of the individual curved reinforcement profiles is only made in the area of the lock and the adjacent rectangle side. It can quickly be seen that either a finished reinforcement cage can be made from a single reinforcement bracket group by inserting the static reinforcing steel profiles in their corner areas and, if necessary, at additional locations, and connecting them to the curved reinforcement profiles.
  • the reinforcement cage according to the invention can also consist of a plurality of reinforcement bracket groups, which - depending on the desired dimensions of a finished reinforcement cage - are first nested and then connected to a multi-section or angled reinforcement cage by means of the inserted static reinforcing steel profiles.
  • reinforcement cages of great lengths by laterally displacing a plurality of individual reinforcement bracket groups and, if necessary, additionally nesting them with other reinforcement bracket groups, without having to change the basic shape of a reinforcement bracket group.
  • each reinforcement bracket group is connected to one another only in the area of its lock and the adjacent rectangular side by means of centering and mounting profiles. This is only possible with rebar profiles made of rebar; the use of ring material does not lead to the desired success due to torsion.
  • the centering and assembly profiles are welded to the reinforcement stirrups outside the bending points.
  • the reinforcement stirrups are welded and / or wired to the static reinforcing steel profiles at predetermined locations. It was shown that it is no longer necessary to connect the reinforcement brackets to the static reinforcing steel profiles at all points without affecting the structural safety. This is particularly the case when the connection is made by spot welding at the connection points.
  • the reinforcement bracket groups are welded and / or wired to the static reinforcing steel profiles at predetermined locations.
  • the object of creating a method for producing the reinforcement cage is achieved according to the invention in that a number of reinforcing bar profiles corresponding to the number of reinforcement brackets is aligned with one another, the aligned reinforcing bar profiles with exactly one centering and assembly profile in the area of the lock and outside of this area with exactly one additional centering and mounting profile are welded to an aligned profile group, the aligned profile group is bent into a rectangular shape so that the second centering and assembly profile comes to lie outside the area of the lock, and the reinforcement bracket group with the static reinforcing steel profiles to that Reinforcement cage can be connected.
  • centering and assembly profiles are welded to all reinforcing bar profiles of a reinforcement bracket group that intersect with them, so that during production, storage, transport and assembly, as well as during concreting, the centering ability is ensured until the concrete solidifies .
  • one of the number of reinforcement brackets of each reinforcement bracket group and a number of reinforcement bracket groups corresponding to the number of reinforcement bracket profiles are aligned to form the groups, the aligned reinforcement bar profiles of each group with exactly one Centering and assembly profile in the area of the lock and outside of this area welded with exactly one further centering and assembly profile to form a profile group, the aligned profile groups bent to form reinforcement bracket groups to form a rectangular shape such that the second centering and assembly profile outside the area of the castle comes to rest, the reinforcement bracket groups aligned to each other and connected with static reinforcing steel profiles to the reinforcement cage at the specified points.
  • bracket groups with the static reinforcing steel profiles are welded or wired together at the predetermined locations.
  • Figures 1a to 1f show a perspective view of the manufacture of a reinforcement cage 1 (Fig. 2).
  • centering and mounting profile 3 is arranged in the front area and the centering and mounting profile 4 in the rear area at right angles to the reinforcing bar profiles, so that they cross at right angles.
  • Fig. 1g shows an enlarged view of the lock of a reinforcement bracket (detail X from Fig. 1f).
  • FIG. 2 shows a reinforcement cage 13 consisting of two reinforcement bracket groups 11 and 12.
  • the reinforcement bracket group 11 consists of the two centering and mounting profiles 14 and 15 and the reinforcement bracket 16
  • the reinforcement bracket group 12 consists of the two centering and mounting profiles 17 and 18 and the reinforcement bracket 19.
  • the two reinforcement bracket groups 11 and 12 are arranged at a predetermined distance from one another. Then the static reinforcing steel profiles 20 are arranged according to the specifications for the two reinforcement bracket groups and connected to them at the specified contact and crossing points by spot welding to form the reinforcement cage. This can be done in the production facility or only at the construction site.
  • These reinforcement baskets are type baskets and serve the individual simplification of static reinforcement occurrences during manufacture and assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Piles And Underground Anchors (AREA)
  • Rod-Shaped Construction Members (AREA)

Claims (10)

  1. Cage d'armature formée de barres d'acier pour béton pour la construction de bâtiments et/ou des travaux de génie civil et des profilés statiques en acier pour béton, dans laquelle une multiplicité de profilés d'armature possèdent un élément de fermeture dans leur partie d'extrémité et forment, avec des profilés de centrage et de montage, qui s'étendent perpendiculairement aux profilés d'armature, un groupe d'agrafes, et le groupe d'agrafes est relié au profilé statique en acier pour béton, en des emplacements prédéterminés, pour former la cage d'armature, et dans laquelle chaque groupe d'agrafes comporte, de façon précise, deux profilés communs de centrage et de montage (3,4), et dans lequel chaque agrafe est coudée essentiellement sous la forme d'un rectangle, caractérisée en ce que l'élément de fermeture (7) des profilés d'armature, repliés pour former un groupe d'agrafes (11 ou 12), est formé par un crochet en forme de U situé à une extrémité (6) du profilé d'armature et par un crochet en équerre situé à l'autre extrémité du profilé d'armature, que respectivement le premier profilé de centrage et de montage (3) est disposé sur le côté intérieur du crochet en forme de U, et est enserré par le crochet en équerre et que l'autre profilé de centrage et de montage (4) est monté intérieurement sur un côté, qui jouxte l'élément de fermeture (7), du rectangle à l'extérieur de la zone de l'élément de fermeture.
  2. Cage d'armature selon la revendication 1, caractérisée en ce que les profilés de centrage et de montage sont soudés aux agrafes, en dehors des points de pliage.
  3. Cage d'armature selon la revendication 1 ou 2, caractérisée en ce que les agrafes sont soudées ou raccordées par des fils au profilé statique en acier pour béton, en des emplacements prédéterminés.
  4. Cage d'armature selon l'une des revendications 1 à 3, caractérisée en ce que plusieurs groupes d'agrafes sont reliés, en des emplacements prédéterminés, à des profilés statiques en acier pour béton pour former la cage d'armature.
  5. Cage d'armature selon la revendication 4, caractérisée en ce que les groupes d'agrafes sont reliés, en dehors des points de pliage, aux profilés statiques en acier pour béton.
  6. Cage d'armature selon la revendication 4 ou 5, caractérisée en ce que les groupes d'agrafes sont réunis par soudage ou par des fils, en des emplacements prédéterminés, aux profilés statiques en acier pour béton.
  7. Procédé pour fabriquer la cage d'armature selon l'une des revendications 1 à 3, caractérisé en ce qu'on oriente les uns sur les autres un nombre de profilés formés de barres en acier pour béton, qui correspond au nombre des agrafes, qu'on soude les profilés formés de barres en acier pour béton, orientés les uns sur les autres, précisément à un profilé de centrage et de montage dans la zone de l'élément de fermeture et, précisément à un autre profilé de centrage et de montage, à l'extérieur de cette zone, pour former un groupe aligné de profilés, que l'on coude selon une forme rectangulaire le groupe aligné de profilés, tout en formant conjointement les agrafes, pour former un groupe d'agrafes, de telle sorte que le second profilé de centrage et de montage vient s'appliquer à l'extérieur de la zone de l'élément de fermeture et qu'on relie le groupe d'agrafes aux profilés statiques en acier pour béton pour former une cage d'armature.
  8. Procédé selon la revendication 7, caractérisé en ce qu'on réunit entre eux par soudage ou à l'aide de fils les agrafes et les profilés statiques en acier pour béton, aux emplacements prédéterminés.
  9. Procédé pour fabriquer la cage d'armature selon l'une des revendications 4, 5 ou 6, caractérisé en ce qu'on oriente les uns sur les autres un nombre de profilés formés de barres en acier pour béton, qui correspond au nombre des agrafes, en formant des groupes, qu'on soude les profilés formés de barres en acier pour béton, orientés les uns sur les autres, de chaque groupe précisément un procédé de centrage et de montage dans la zone de l'élément de fermeture et, à l'extérieur de cette zone, précisément un autre profilé de centrage et de montage pour former un groupe de profilés, que l'on coude selon une forme rectangulaire les groupes alignés de profilés, tout en formant les agrafes, pour constituer des groupes d'agrafes, de telle sorte que le second profilé de centrage et de montage vient s'appliquer à l'extérieur de la zone de l'élément de fermeture et qu'on aligne entre eux les groupes d'agrafes et on les relie à des profilés statiques en acier pour béton, en des emplacements prédéterminés, pour former une cage d'armature.
  10. Procédé selon la revendication 9, caractérisé en ce que les groupes d'agrafes sont réunis par soudage ou par des fils, en des emplacements prédéterminés, aux profilés statiques en acier pour béton.
EP90107309A 1989-04-22 1990-04-18 Cage d'armature en acier Expired - Lifetime EP0394815B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE3913349 1989-04-22
DE3913349 1989-04-22
DE3929633 1989-09-06
DE3929633 1989-09-06
DE19893938508 DE3938508A1 (de) 1989-04-22 1989-11-20 Bewehrungskorb aus baustahl
DE3938508 1989-11-20

Publications (2)

Publication Number Publication Date
EP0394815A1 EP0394815A1 (fr) 1990-10-31
EP0394815B1 true EP0394815B1 (fr) 1996-02-28

Family

ID=27199458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90107309A Expired - Lifetime EP0394815B1 (fr) 1989-04-22 1990-04-18 Cage d'armature en acier

Country Status (4)

Country Link
EP (1) EP0394815B1 (fr)
AT (1) ATE134735T1 (fr)
DE (3) DE3943654C2 (fr)
DK (1) DK0394815T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH695106A5 (de) * 2001-01-23 2005-12-15 Fischer Reinach Ag Verfahren zur Herstellung einer Schubarmierung in gestützten Betondecken.
FR2883315B1 (fr) * 2005-03-21 2007-05-04 Kp1 Soc Par Actions Simplifiee Suspente pour dalle en beton ou similaire
EP1878846B1 (fr) * 2006-07-14 2013-08-28 RUWA Drahtschweisswerk AG Cage de liaison, son utilisation et armature de liaison ainsi réalisée
EP1964980A1 (fr) * 2007-02-28 2008-09-03 Etienne Heirwegh Moyen d'excavation et procédé pour couler des murs coulés sur site
WO2012000559A1 (fr) * 2010-07-01 2012-01-05 Sidenor Sa Structure pour renforcer le béton et procédé de production d'une structure permettant de renforcer le béton
WO2016138923A1 (fr) * 2015-03-02 2016-09-09 Sidenor S.A. Structure pour renforcer une paroi en béton s'étendant longitudinalement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375632A (en) * 1964-12-23 1968-04-02 Congy Marcel Reinforcement element for beams and poles made from reinforced concrete
DE1946135U (de) * 1966-07-23 1966-09-15 Baustahlgewebe Gmbh Baustahlmatte zur herstellung einer buegelbewehrung.
DE2614026A1 (de) * 1976-04-01 1977-10-06 Bauunternehmung M Allmendinger Bewehrungskorb fuer einen betonpfahl, insbesondere gruendungspfahl
AT379636B (de) * 1983-07-15 1986-02-10 Best Baueisen & Stahl Bewehrungskorb fuer raeumliche armierungen von stahlbetonkoerpern
AT378979B (de) * 1983-09-01 1985-10-25 Best Baueisen & Stahl Bewehrung fuer stahlbetonkonstruktionen

Also Published As

Publication number Publication date
DE59010154D1 (de) 1996-04-04
DK0394815T3 (da) 1996-06-24
DE3943654C2 (de) 1997-03-20
DE3943739C2 (de) 1998-04-30
EP0394815A1 (fr) 1990-10-31
ATE134735T1 (de) 1996-03-15

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