EP0804658A1 - Treillis d'acier pour constructions en beton arme de grande surface - Google Patents

Treillis d'acier pour constructions en beton arme de grande surface

Info

Publication number
EP0804658A1
EP0804658A1 EP95928879A EP95928879A EP0804658A1 EP 0804658 A1 EP0804658 A1 EP 0804658A1 EP 95928879 A EP95928879 A EP 95928879A EP 95928879 A EP95928879 A EP 95928879A EP 0804658 A1 EP0804658 A1 EP 0804658A1
Authority
EP
European Patent Office
Prior art keywords
reinforcing steel
reinforcing
reinforcement
steel strip
range
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
EP95928879A
Other languages
German (de)
English (en)
Other versions
EP0804658B1 (fr
Inventor
Gerhard Ritter
Klaus Ritter
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.)
Stahl und Walzwerk Marienhuette GmbH
Original Assignee
Stahl und Walzwerk Marienhuette GmbH
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 Stahl und Walzwerk Marienhuette GmbH filed Critical Stahl und Walzwerk Marienhuette GmbH
Priority to DE29521520U priority Critical patent/DE29521520U1/de
Publication of EP0804658A1 publication Critical patent/EP0804658A1/fr
Application granted granted Critical
Publication of EP0804658B1 publication Critical patent/EP0804658B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/04—Mats

Definitions

  • the invention relates to a reinforcing steel strip for sheet-like reinforced concrete structures, consisting of a plurality of reinforcing bars that are parallel to one another, spaced apart in a plane, and a plurality of positioning wires that run perpendicular to the reinforcing bars and are weaker than these and welded to them.
  • the distances between the reinforcing bars are 15, 20 or 30 cm, their diameter is 8 to 20 mm and the number of reinforcing bars in a reinforcing element is four, eight or six, depending on the distance, it being possible for the diameter of the reinforcing bars to be different within one element.
  • the distances between the support bars are 1.2 m and the distance between the reinforcement bar ends and the end support bars is at least 60 and a maximum of 120 cm.
  • the lengths of the reinforcement elements can be selected in the range from 2.4 to 14 m.
  • a disadvantage of these reinforcement elements is the fact that A large number of reinforcement elements with different structures had to be present, which makes storage practically impossible.
  • a further disadvantage lies in the large overhangs of the reinforcing bar on the side, which means that, particularly with smaller diameters, bending of the reinforcing bar cannot be avoided during transport and handling.
  • the large and constant spacings of the holding rod are also disadvantageous, since they result in a product which is unstable for manipulation and transport and prevent long elements from being divided into dimensionally stable sub-elements at the laying point.
  • a reinforcement for cross-reinforced ceiling slabs is known with at least two separate reinforcement elements which are capable of being corrugated, each of which has a group of bars which run in one direction and are combined in a rigid manner.
  • the partial reinforcement elements are superimposed crosswise, so that they form a flat reinforcement with reinforcing bars of any dimension crossing each other and any steel cross-section.
  • the partial reinforcement elements consist of several reinforcement bars of equal length, which are combined in a rigid manner by two holding bars.
  • the partial reinforcement elements are constructed on the basis of a grid with a constant module, the spacings of the reinforcement bar as a module, the length of the partial reinforcement element corresponding to a multiple of the module and the length as a support bar and thus the width of the partial reinforcement element preferably corresponding to a multiple of the module.
  • the distance between the holding bar and the ends of the reinforcing bar must be at least twice the adhesive length of the reinforcing bar around the module.
  • the steel cross-section of the reinforcing bar must also be graded in a certain way according to the length of the element.
  • the partial reinforcement element has the disadvantage that its construction must take place in a predetermined grid dimension and its production is therefore very complicated and expensive.
  • a reinforcement unit for reinforcing flat strips is known, the width of which is 0.2 to 0.7 m and which has at least three and at most four longitudinal wires, which by means of several ensure the dimensional stability of the reinforcement unit , transverse and weaker cross wires are connected.
  • This reinforcement unit has the disadvantage that the number of longitudinal wires is limited and therefore only relatively narrow reinforcement strips can be produced. Furthermore, no details are given on the arrangement of the transverse wires or the dimensions of the reinforcement bars.
  • the object of the invention is to provide a universal one usable, simple rebar strips, which make it possible to create a stock program with only a small number of standard types of rebar strips that can be produced in series and to carry out the reinforcement of flat reinforced concrete constructions in a simple manner and with little work , whereby the disadvantages of the bar reinforcement, the reinforcement mats designed as storage and list mats and the known strip-shaped reinforcement elements are to be avoided.
  • the reinforcing steel strip for the formation of standard reinforcement elements of a stock program has a width of at least 1000 and at most 1200 mm and a length in the range of 4 to 9 m and from a maximum of seven reinforcement bars arranged at a distance of 200 mm from one another with ribbed Surface and with a diameter in the range of 6 to 16 mm and from a plurality of positioning wires arranged at a distance of 400 to 1200 mm from one another, the positioning wires adjacent to the free ends of the reinforcing bars being at a distance of 200 to 500 mm from the reinforcing bar ends .
  • the reinforcing bars consist of hot-rolled or alternatively cold-formed reinforcing steel.
  • the positioning wires are preferably flush with the reinforcing bars.
  • the invention ensures that the reinforcing steel strips with almost no cutting effort to the loss Dimensions of the reinforced concrete components to be reinforced can be adapted.
  • the reinforcing steel strips are sufficiently stiff and easy to manipulate. Due to the width of 1000 to 1200 mm, smaller storage areas are required for the reinforcing steel strip. As a result of the specified projections of the reinforcement bars, the reinforcing steel strips can be pushed into the supports in reinforcements or the like. possible without any problems and the position wires at the ends of the reinforcing steel strip do not have to be separated when laying.
  • the reinforcing steel strip according to the invention With the help of the reinforcing steel strip according to the invention, standard reinforcement elements of a storage program are formed, whereby only one basic type of reinforcing steel strip in different lengths is produced in series for a diameter of the reinforcing bars. All reinforcement tasks can therefore be solved in an optimal manner with the aid of the reinforcing steel strips, so that the previously required large number of strip-shaped reinforcement elements, bearing or list mats can be replaced by only a few basic types of reinforcing steel strips according to the invention.
  • the reinforcing steel strip according to the invention can be treated like a wide reinforcement bar.
  • the reinforcing steel strip can be produced particularly simply and economically, because during the production of the hot-rolled reinforcing bars directly after the cooling bed of the rolling mill, the individual reinforcing bars are cut to a multiple length of the final length of the reinforcing steel strip and combined into bundles of the same length. In the manufacturing plant for the reinforcing steel strips, the reinforcing bars are removed from these bundles and cut to the standard lengths of the corresponding reinforcing steel strips. The time-consuming and time-consuming cutting work required at conventional storage mats at the laying point or at the sales stores is eliminated.
  • the reinforcement bars are welded to the positioning wires using commercially available grid welding machines.
  • a width of the concrete steel strip of 1.2 m the standard The production range of these lattice welding machines is optimally utilized and two webs of reinforcing steel strips can be produced particularly economically in one welding machine.
  • the width of 1.2 m of the reinforcing steel strip has the further advantage that the standard loading area of the trucks of 2.4 m can be optimally used when transporting the reinforcing steel strips.
  • the reinforcing steel strip according to the invention has the advantage that, depending on the weight and length, it can be manipulated by one worker or at most two workers and can also be transported upright. Another advantage over list meshes is that the reinforcement can be selected differently in the two directions in a reinforced concrete construction to be reinforced crosswise. Compared to conventional reinforcement meshes, whether as storage or list meshes, the reinforcing steel strip according to the invention has the advantage that there are no overlaps and therefore no steel accumulations and no loss of static height due to multiple layers in the joint area.
  • FIG. 1 shows a plan view of a reinforcing steel strip according to the invention
  • Fig. 2 shows a section of the same.
  • the reinforcing steel strip 1 shown in FIGS. 1 and 2 consists of seven reinforcing bars 2 which are parallel to one another and at a distance of 200 mm from one another and are connected to one another by a plurality of transverse positioning wires 3, 3 '.
  • the reinforcing steel strip 1 has a width of 1200 mm.
  • the number of reinforcing bars 2 can also be six, so that concrete steel strips with a width of 1000 mm can also be produced.
  • the diameters of the reinforcement bars 2 are in the range from 6 to 16 mm in accordance with the static requirements for the reinforcing steel strip 1.
  • the diameter of the reinforcing bars 2 is in the range from 6 to 10 mm in 1 mm increments and in the range of 10 to 16 mm in 2 mm increments.
  • the surface of the reinforcing bars 2 is provided with ribs in order to increase the adhesion of the reinforcing bars 2 in the concrete.
  • the reinforcing bars 2 consist either of hot-rolled or cold-formed, drawn or rolled reinforcing steel with mechanical strength values corresponding to the structural requirements for the reinforcing steel strip 1.
  • the reinforcing steel strip 1 has a length in the range from 4 to 9 m, the length gradation taking place in the range from 4 to 7 m in steps of 500 mm and in the range from 7 to 9 m in steps of 1000 mm. With these gradations in length, it is possible that only a small proportion of reinforcing steel strips has to be cut and that one can adapt to the dimensions of the reinforced concrete components to be reinforced almost without loss.
  • the spacing of the positioning wires 3, 3 'from one another is in the range from 400 to 1200 mm and is preferably 500 or 1000 mm.
  • the overhangs 4 of the reinforcing bars are 250 or 500 mm.
  • the protrusions 4 are therefore chosen to be relatively large so that the reinforcing steel strips are pushed into the supports in beams, transverse reinforcements, beams or the like. is possible without any problems and without disconnecting the positioning wires.
  • the diameters of the positioning wires 3, 3' are smaller than the diameter of the reinforcing bars 2 and are in the range from 4 to 10 mm. The diameter is graded in steps of 1 mm.
  • the positioning wires 3, 3 ' have a smooth surface and do not require any special material properties, so that they can consist, for example, of wire rod.
  • the positioning wires 3, 3 ' are connected to the reinforcing bars 2 welded the crossing points, the positioning wires 3, 3 'flush with the reinforcing bars 2.
  • the distances and the diameters of the positioning wires 3, 3 ? must be made in such a way that the reinforcing steel strip 1 has sufficient rigidity and dimensional stability for transport, handling and laying.
  • the Ver eilung the positive onsdrahte in the concrete steel strip is a function vr D urch ⁇ diameter of the reinforcing character of d ⁇ e dimensional stability dt Eton steel strip, the divisibility long Betonstahlstrei-; s and the retention of rigidity and shape stability optimized strip of the participants.
  • the spacing of the positioning wires is preferably 500 mm, and for diameters in the range from 12 to 16 mm, preferably 1000 mm.
  • a spacing of the positioning wires of 500 mm is preferably selected in the central region of the reinforcing steel strip and a spacing of 1000 mm in the edge regions of the reinforcing steel strip 1.
  • the reinforcing steel strips according to the invention are laid in the following way: The reinforcing steel strips are first laid next to one another in one direction, with all reinforcing bars being arranged in one plane and parallel to one another. The reinforcing steel strips are then laid in the other, vertical direction, with the reinforcing bars of all the reinforcing steel strips lying in one plane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

Un treillis d'acier (1) pour constructions en béton armé de grande surface comprend des barres d'armature (2) et des fils métalliques de positionnement (3, 3') plus minces que les barres d'armature, qui s'étendent perpendiculairement à celles-ci et sont soudés sur celles-ci. Afin de former des éléments standard d'armature à stockage programmable, le treillis d'acier a au moins 1000 mm et au maximum 1200 mm de largeur et une longueur comprise entre 4 et 9 m. Le treillis d'acier comprend au maximum sept barres d'armature à surface ondulée ayant un diamètre compris entre 5 et 16 mm, agencées parallèlement les unes aux autres dans un plan à 200 mm de distance les unes des autres. Le treillis d'acier comprend en outre plusieurs fils métalliques de positionnement mutuellement écartés de 400 à 1200 mm. Les fils métalliques de positionnement adjacents aux extrémités libres des barres d'armature sont situés de 200 à 500 mm de distance des extrémités des barres d'armature.
EP95928879A 1994-09-12 1995-08-29 Treillis d'acier pour constructions en beton arme de grande surface Expired - Lifetime EP0804658B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29521520U DE29521520U1 (de) 1994-09-12 1995-08-29 Betonstahlstreifen für flächenartige Stahlbetonkonstruktionen

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT1737/94 1994-09-12
AT173794 1994-09-12
AT173794 1994-09-12
PCT/AT1995/000172 WO1996008619A1 (fr) 1994-09-12 1995-08-29 Treillis d'acier pour constructions en beton arme de grande surface

Publications (2)

Publication Number Publication Date
EP0804658A1 true EP0804658A1 (fr) 1997-11-05
EP0804658B1 EP0804658B1 (fr) 1999-11-03

Family

ID=3519913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95928879A Expired - Lifetime EP0804658B1 (fr) 1994-09-12 1995-08-29 Treillis d'acier pour constructions en beton arme de grande surface

Country Status (13)

Country Link
EP (1) EP0804658B1 (fr)
JP (1) JP3042600U (fr)
KR (1) KR200202098Y1 (fr)
AT (2) ATE186361T1 (fr)
AU (1) AU3270195A (fr)
CH (1) CH689645A5 (fr)
CZ (1) CZ290527B6 (fr)
DE (1) DE59507198D1 (fr)
ES (1) ES2109203T3 (fr)
GR (2) GR970300062T1 (fr)
PT (1) PT804658E (fr)
TW (1) TW334009U (fr)
WO (1) WO1996008619A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2143361B1 (es) * 1997-02-27 2000-12-01 Odriozola Miguel Maria Imaz Malla prefabricada para forjados.
AUPQ780800A0 (en) * 2000-05-29 2000-06-22 Bhp Steel (Rp) Pty Ltd A reinforcing component
AT411279B (de) * 2000-11-08 2003-11-25 Avi Alpenlaendische Vered Bewehrungsmatte für stahlbeton
FR2893648B1 (fr) * 2005-11-24 2008-01-11 Entpr De Construction Rene Hem Treillis metalliques pour la fabrication d'un element de construction d'un batiment
CN101890584B (zh) * 2010-07-13 2012-04-25 张家港固耐特围栏系统有限公司 高强度钢丝网的焊接方法
CN110625786B (zh) * 2019-09-02 2020-10-30 吉林建筑大学 基于钢筋焊接网和水泥压力板的混凝土板建造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1165230B (de) * 1954-06-25 1964-03-12 Baustahlgewebe Gmbh Bewehrungsmatte mit Laengs- und Querstaeben in drei uebereinander liegenden Ebenen
AT275111B (de) * 1958-03-31 1969-10-10 Willi Dr Neumann Bewehrungseinheit zum Bewehren von Flächestreifen unter Verbindung von Längs- und Querdrähten
BE685069A (fr) * 1965-08-14 1967-01-16
DE1659248C3 (de) * 1967-06-09 1975-09-25 Tor-Isteg Steel Corp., S.A.H., Luxemburg Bewehrungsmatte für plattenförmige Betonkörper
AT348211B (de) * 1973-02-01 1979-02-12 Avi Alpenlaendische Vered Gitterartiges bewehrungselement
DE2315520B1 (de) * 1973-03-28 1974-03-14 Rehm, Galtus,*Prof. Dr.-Ing., 8000 München Betonstahlmatte mit laengsstaeben bzw. -draehten hoher streckgrenze und guter verbundeigenschaften
DE2354131A1 (de) * 1973-10-29 1975-05-07 Rehm Gallus Betonstahlmatte
CH647834A5 (en) * 1980-06-06 1985-02-15 Bossard & Staerkle Ag Reinforcing element for reinforced-concrete sheet-like load-bearing structures for bending in one direction or two directions, process for laying the element and use thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9608619A1 *

Also Published As

Publication number Publication date
EP0804658B1 (fr) 1999-11-03
TW334009U (en) 1998-06-11
ATE186361T1 (de) 1999-11-15
CH689645A5 (de) 1999-07-30
ES2109203T1 (es) 1998-01-16
CZ290527B6 (cs) 2002-08-14
KR200202098Y1 (en) 2000-11-15
PT804658E (pt) 2000-04-28
AT1490U1 (de) 1997-06-25
DE59507198D1 (de) 1999-12-09
GR3032247T3 (en) 2000-04-27
JP3042600U (ja) 1997-10-21
ES2109203T3 (es) 2000-02-16
GR970300062T1 (en) 1998-01-30
AU3270195A (en) 1996-03-29
WO1996008619A1 (fr) 1996-03-21
CZ72497A3 (en) 1997-07-16

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