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EP0122316A2 - Elément d'armature en treillis d'acier - Google Patents

Elément d'armature en treillis d'acier Download PDF

Info

Publication number
EP0122316A2
EP0122316A2 EP83106868A EP83106868A EP0122316A2 EP 0122316 A2 EP0122316 A2 EP 0122316A2 EP 83106868 A EP83106868 A EP 83106868A EP 83106868 A EP83106868 A EP 83106868A EP 0122316 A2 EP0122316 A2 EP 0122316A2
Authority
EP
European Patent Office
Prior art keywords
bars
reinforcement body
body according
reinforcement
bracket
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
EP83106868A
Other languages
German (de)
English (en)
Other versions
EP0122316B1 (fr
EP0122316A3 (en
Inventor
Michael Dick
Wilhelm Zechmair
Peter Bayer
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.)
Ytong AG
Original Assignee
Ytong AG
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 Ytong AG filed Critical Ytong AG
Priority to AT83106868T priority Critical patent/ATE42365T1/de
Publication of EP0122316A2 publication Critical patent/EP0122316A2/fr
Publication of EP0122316A3 publication Critical patent/EP0122316A3/de
Application granted granted Critical
Publication of EP0122316B1 publication Critical patent/EP0122316B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B21F27/20—Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network
    • 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

Definitions

  • the invention relates to a reinforcement body for, in particular, steam-hardened gas-concrete components, consisting of at least two welded reinforcing steel mats arranged at a distance from one another, the mats being constructed from longitudinal longitudinal bars and transverse transverse bars and the transverse bars being welded to the longitudinal bars at the crossing points, the mats being made of bent, weldable steel rods shaped, welded to rods of the mat brackets are kept at a distance, and the bracket crfhungen for reaching through lifting needles.
  • DE-GM 78 19 077 describes a reinforcement body of this type, the mats of which are kept at a distance by means of sheet metal strips welded to the cross bars.
  • The, viewed in the side view, approximately U-shaped sheet metal strips have in their free end region of their U-legs stops or plug-in openings with which they are positioned on a transverse and longitudinal bar, so that the U-base web is located in between the mats Interior has and the U-legs with the cross bars ben are welded.
  • the shape of the metal strip is very labor intensive, so that the metal strip forms a relatively expensive part. Its positioning for welding, in particular automated positioning, is also labor-intensive, so that the sheet metal strip has not been able to assert itself for reasons of cost.
  • bracket types corresponding to these dimensions must also be kept in stock, which requires complex storage.
  • the metal strip represents a foreign part of a reinforcement body, the manufacture of which requires the use of a different technique compared to the manufacture of the mats.
  • brackets also have to be prefabricated, the connection of the two brackets having to be carried out very precisely because it creates the plug hole for the lifting needle, which must be positioned very precisely in the reinforcement body.
  • spacers of different sizes must also be kept in stock.
  • the object of the invention is to produce a reinforcement body which is safe to use and to show a method with which the manufacture of the reinforcement bodies can be automated, the automation being intended to include the fact that no conversion has to be carried out if instead of reinforcement bodies reinforcement bodies of a different size are to be produced.
  • the choice of the new special bracket shapes has the consequence that the bracket can be placed anywhere within the reinforcement body.
  • This has the surprising effect that the distance between the * stirrups can be the same in certain limits in a large reinforcement body as in a small reinforcement body, ie in a large reinforcement body the stirrups sit deeper inside than in a small body.
  • the same spacing of the stirrups in reinforcement bodies of different sizes means that only one type of lifting needle, which is adjusted to the specific spacing of the stirrups, needs to be used. So far, one had to use differently long lifting needles for different sized reinforcement bodies. Lifting needles are relatively expensive. Their number can be considerably reduced by the invention. It is no longer necessary to change the needles, so that the considerable changeover time previously required is eliminated.
  • C-shaped spacer brackets 1 are used, which are bent from a rebar.
  • the brackets have an upper web 2, a lower web 3 and the spacer web 4.
  • the thickness of the bar material of the bracket 1 expediently corresponds to the thickness of the longitudinal bars 5 and / or the transverse bars 6 of a reinforcement mat 7.8.
  • a variant of the invention provides a spacer bracket 1a in which two C-shaped spacer brackets are made in one piece via a spacer 3a ( Fig. 2).
  • the structural steel mats 7 and 8 kept at a distance with the spacers according to FIGS. 1 and 2 preferably consist of longitudinal bars 5 arranged parallel to one another in a plane and transverse bars 6 also running parallel to one another.
  • the transverse and longitudinal bars are used to form a mat the crossing points welded together (Fig. 3).
  • the cross bars can be arranged inside or outside.
  • the brackets 1, 1a are arranged in the space between the mats 7, 8, the horizontal webs 2 and 3 being preferably welded to each of a longitudinal rod 5 of the upper mat 7 and the lower mat 8 by spot welding.
  • the webs 2 and 3 run parallel to the cross bars 6, so that the webs 2 and 3 cross at right angles with the longitudinal bars 5 to which they are attached. It can be provided, for example, that the webs 2 and 3 rest on the outside on the longitudinal bars or only one web rests on the outside and the other is placed against the longitudinal bar from the interior. It is useful if both webs 2, 3 are placed under the longitudinal bars from the interior.
  • the C-shape of the spacer brackets can point outwards, for example, ie the spacer web 4 lies deeper inside the reinforcement body than the webs 2 and 3.
  • the * see FIG. 3 at 9 and 10) ** (see FIG. 3 at 9)
  • the invention makes it possible to provide brackets according to FIG. 1 at any point in the longitudinal direction of the reinforcement body. There are no limits in the transverse direction either, because the possibility of choosing the length of the webs. 2 and 3 and / or the possibility of choosing a longitudinal bar that lies deeper inside the reinforcement body in the transverse direction for fixing the bracket enables any desired position of the spacer web 4 can be guaranteed in the transverse direction.
  • bracket la can be positioned.
  • the brackets 1 and 1a can, however, also be arranged with their webs 2, 3 parallel to the longitudinal bars 5, with cross bars 6, optionally also additionally with longitudinal bars 5, welded at the crossing points (see arrows 11 and 12 in FIG. 3) .
  • brackets 1 are always arranged opposite one another (see FIG. 3), which is ensured in the case of the brackets la by the one-piece embodiment.
  • la is known in itself
  • a flag 14 is fastened with a hole 13 (see FIG. 3) which can be penetrated by the shaft of a lifting needle 15 (FIG. 5), which in a manner known per se from a narrow side into the reinforcement body 18 through a hole 13 up to the opposite spacer 4 of a bracket 1, la is inserted through the hole 13 of the flag 14 arranged there, the positioning of the flags 14 corresponding to this required plugging option.
  • the lifting needle 15 is supported in a support beam 16 which bridges a casting mold 17. For example, the raw gas mixture is poured into the casting mold, so that the reinforcement body 18 is immersed in the casting compound.
  • Fig. 4 shows, for example, the position or arrangement of the reinforcement body 18 in a component 19 from e.g. Gas concrete, the webs 2, 3 of the C-shaped spacer bracket 1 are arranged facing inwards.
  • bracket 1, la requires that the automated production of the reinforcement body 18 can be considerably simplified because the bracket 1, la can be bent and cut by simple bending operations from a reinforcement wire to be pulled off a roll.
  • a bending device suitable for this purpose is expediently arranged upstream of an automatically operating welding device, the brackets being welded in the welding device between two prefabricated reinforcement mats held in parallel. Since the bending device can feed the welding device directly with brackets 1, 1a, it is no longer necessary to prefabricate brackets and intermediate storage.
  • the bending device can preferably be set in such a way that it produces stirrups of different sizes, so that reinforcement bodies of different thicknesses can be produced with the welding device without retrofitting; because the welding device is able, in a manner known per se, to automatically bring reinforcement mats to be connected to one another into a reinforcement body at different distances before welding.
  • the transport and positioning devices for the brackets work independently of the size of the brackets, so that there is also no need to convert. The invention thus also brings about a leap in technology.
  • the welding device 25, shown schematically in FIG. 6, for producing a reinforcement body 18 has an upstream wire bending device 20 which periodically pulls a reinforcement wire 21 from the roll (not shown) using a tractor device 23 which can be moved in the direction of the double arrow 24.
  • the wire 21 is straightened in a manner known per se with the straightening rollers 22 arranged upstream of the tractor device 23.
  • the length of the path of the tractor device 23 can be selected.
  • the tractor device 23 periodically pushes the wire 21 through a welding device 26, in which a flag 14 is separated from a perforated sheet metal strip 27 and welded to the wire 21, to a bending roller 28, in which the wire 21 is at 90 ° with that on a feed device 30 seated counter roller 31, which can be moved in the direction of arrow 29, can be bent.
  • This bending device 28, 30, 31 is programmable so that C- or double-C-shaped Brackets 1, 1a with different dimensions of the webs 2, 3 and the spacer web 4 and the bridge web 3a can be produced.
  • a separating device 32 arranged upstream of the roller 28 and movable in the direction of the arrow 33, the wire 21 is cut after the bend to the bracket 1, 1a.
  • a transport device 34 with e.g. a magnet 35 on which e.g. the separated stirrup 1 adheres, the stirrup is transported into the welding device 25 and positioned there between the mats 7, 8, whereupon the webs 2, 3 are welded to the associated longitudinal bars 5 with electrodes 36 located outside in relation to the reinforcement cage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Wire Processing (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
EP83106868A 1983-04-15 1983-07-13 Elément d'armature en treillis d'acier Expired EP0122316B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83106868T ATE42365T1 (de) 1983-04-15 1983-07-13 Bewehrungskoerper aus stahlmatten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3313793 1983-04-15
DE19833313793 DE3313793A1 (de) 1983-04-15 1983-04-15 Bewehrungskoerper aus stahlmatten

Publications (3)

Publication Number Publication Date
EP0122316A2 true EP0122316A2 (fr) 1984-10-24
EP0122316A3 EP0122316A3 (en) 1985-12-27
EP0122316B1 EP0122316B1 (fr) 1989-04-19

Family

ID=6196546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83106868A Expired EP0122316B1 (fr) 1983-04-15 1983-07-13 Elément d'armature en treillis d'acier

Country Status (4)

Country Link
US (1) US4667452A (fr)
EP (1) EP0122316B1 (fr)
AT (1) ATE42365T1 (fr)
DE (1) DE3313793A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002087A1 (fr) * 1985-09-27 1987-04-09 Internationella Siporex Ab Cage d'armature destinee a etre utilisee dans des moules lors du coulage d'un materiau en pierre artificielle, et procede de fabrication de la cage d'armature
WO2018158211A1 (fr) * 2017-02-28 2018-09-07 C.B.S. Team-Projektgesellschaft mbH Élément de construction hybride en béton poreux

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487251A (en) * 1994-05-06 1996-01-30 Independent Concrete Pipe Apparatus and method for reinforcing cast structures
AU2005244578B2 (en) * 2004-12-16 2012-03-15 The Austral Brick Company Pty Ltd Reinforced cementitious material product and method of manufacture of the same
DE102009048425A1 (de) * 2009-10-06 2011-04-07 Häussler Innovation GmbH Verfahren und Vorrichtung zur Herstellung geschweißter Verbindungen
NO333023B1 (no) * 2010-03-03 2013-02-18 Reforcetech Ltd Armeringssystem og fremgangsmate for bygging av betongkonstruksjoner.
CN102955446B (zh) * 2012-11-19 2015-01-28 苏州汇川技术有限公司 钢筋弯箍机及弯箍控制方法
SE542398C2 (en) * 2014-07-03 2020-04-21 Skanska Sverige Ab Arrangement, method and computer program for producing a reinforcement cage
MD4558C1 (ro) * 2017-01-27 2018-10-31 TS-Rebar Holding LLC Armătură pentru armarea orizontală a zidăriei din piatră şi procedeu de fabricare a acesteia (variante)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE525224A (fr) *
DE2212291A1 (de) * 1971-03-16 1972-10-26 Asahi Chemical Ind Verfahren und Vorrichtung zur Herstellung von Kaefigen aus Bewehrungsstangen
DE2126670A1 (de) * 1971-05-28 1972-12-07 Meissner, Friedrich, 8035 Gauting Abstandshalter für Wandbewehrungen in Betonwänden
AU510165B2 (en) * 1977-01-07 1980-06-12 Takenaka Komonen Co. Ltd - Reinforced concrete structure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI29960A (fi) * 1958-10-10 Siporex Int Ab Sätt att utföra korgliknande armeringar i lättbetongplattor
DE1609814A1 (de) * 1965-04-08 1970-05-21 Badische Stahlwerke Bewehrungselement fuer Stahlbetonbauteile
NL6710134A (fr) * 1967-07-21 1969-01-23
US3440729A (en) * 1967-10-09 1969-04-29 Bill R Allison String holder
AT279863B (de) * 1968-02-09 1970-03-25 Oesterr Amerikan Magnesit Bauelement für Mantelbetonbauwerke
DE2125269A1 (de) * 1971-05-21 1972-11-30 Stahlwerke Röchling-Burbach GmbH, 6620 Völklingen Bewehrungselement für Stahlbeton
AT343438B (de) * 1975-04-09 1978-05-26 Bucher Franz Verfahren zum herstellen eines gitter- bzw. bugeltragers
BE885564Q (fr) * 1976-01-05 1981-02-02 Cs & M Inc Treillis de fil metallique et appareil pour sa fabrication
SU717253A1 (ru) * 1977-08-30 1980-02-25 Проектно-Технологический Трест "Элеватороргстрой" Соединительный элемент пространственных арматурных каркасов железобетонных изделий
US4226061A (en) * 1978-06-16 1980-10-07 Day Jr Paul T Reinforced masonry construction
DE7819077U1 (de) * 1978-06-26 1979-01-18 Bellmer, Artur, 2130 Rotenburg Verbundmatte, insbesondere zur bewehrung von gasbetonplatten

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE525224A (fr) *
DE2212291A1 (de) * 1971-03-16 1972-10-26 Asahi Chemical Ind Verfahren und Vorrichtung zur Herstellung von Kaefigen aus Bewehrungsstangen
DE2126670A1 (de) * 1971-05-28 1972-12-07 Meissner, Friedrich, 8035 Gauting Abstandshalter für Wandbewehrungen in Betonwänden
AU510165B2 (en) * 1977-01-07 1980-06-12 Takenaka Komonen Co. Ltd - Reinforced concrete structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002087A1 (fr) * 1985-09-27 1987-04-09 Internationella Siporex Ab Cage d'armature destinee a etre utilisee dans des moules lors du coulage d'un materiau en pierre artificielle, et procede de fabrication de la cage d'armature
WO2018158211A1 (fr) * 2017-02-28 2018-09-07 C.B.S. Team-Projektgesellschaft mbH Élément de construction hybride en béton poreux
EA038555B1 (ru) * 2017-02-28 2021-09-14 СиБиЭс ИНТЕРНЕШНЛ ГМБХ Гибридный строительный элемент из аэрированного бетона
AU2018228650B2 (en) * 2017-02-28 2022-04-07 CBS International GmbH Aerated concrete-hybrid construction element

Also Published As

Publication number Publication date
DE3313793A1 (de) 1984-10-18
EP0122316B1 (fr) 1989-04-19
ATE42365T1 (de) 1989-05-15
EP0122316A3 (en) 1985-12-27
US4667452A (en) 1987-05-26

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