EP1045081B1 - Barre d'armature - Google Patents

Barre d'armature Download PDF

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Publication number
EP1045081B1
EP1045081B1 EP00102093A EP00102093A EP1045081B1 EP 1045081 B1 EP1045081 B1 EP 1045081B1 EP 00102093 A EP00102093 A EP 00102093A EP 00102093 A EP00102093 A EP 00102093A EP 1045081 B1 EP1045081 B1 EP 1045081B1
Authority
EP
European Patent Office
Prior art keywords
reinforcing bar
bar according
covering
coating
metal
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
EP00102093A
Other languages
German (de)
English (en)
Other versions
EP1045081A1 (fr
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.)
Schoeck Bauteile GmbH
Original Assignee
Schoeck Bauteile 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 Schoeck Bauteile GmbH filed Critical Schoeck Bauteile GmbH
Publication of EP1045081A1 publication Critical patent/EP1045081A1/fr
Application granted granted Critical
Publication of EP1045081B1 publication Critical patent/EP1045081B1/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
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal

Definitions

  • the invention relates to a reinforcement bar, in particular for thermal insulation Power transmission between two components, preferably made of concrete serves, the reinforcement bar consists of fiber-reinforced plastic.
  • rebars are, for example, together with one of the reinforcing bars traversed insulator used in component joints in addition to a power transmission to achieve adequate thermal insulation.
  • plastic reinforcement bars cf. WO / 9702393 A
  • reinforcements have been made in the past Investigations carried out to find an alternative for certain applications in addition to the conventional metal bars made of reinforcing steel or stainless steel to accomplish.
  • a major incentive for tests with plastic reinforcement bars lies in the lower thermal conductivity of certain plastics (e.g. polyester, Vinyl esters etc.); different types of fibers such as glass, Aramid and other fibers the tensile strength and thus the stability of the reinforcing bar adapt very precisely to the respective application.
  • a major problem of the known plastic rods is that they are in the joint area between two concrete components according to the usual stainless steel rods installed there are corrosion-resistant, however the fibers used in the areas impacted by the concrete through there prevailing alkaline milieu attacked, so that it thereby their power-transmitting Can no longer perform the function completely.
  • the plastics used as the hard matrix of the tension rods are usually a has a certain potential for microcracks, which can occur with additional tensile stress develop into macro cracks.
  • the hard matrix loses due to these macro cracks against the reinforcing fibers their protective function, so that, for example, in Alkaline water present in concrete has access to the fiber surface and there can have a destructive or corrosive effect.
  • reinforcement bars with reinforcing fibers made of E-glass and aramid are still in use Construction have not yet found any significant application.
  • the present invention is based on the object To provide reinforcement bar made of plastic material, which is reinforced by Resistance to alkaline media found in concrete and mortar distinguished.
  • the reinforcement bar has a metallic sheathing on the outside, which is closed over the Outside and the fiber-reinforced plastic compared to the environment shields against diffusion. So the metallic covering acts as a protective layer, so that the fiber-reinforced plastic in terms of its static and Thermal insulation properties can be selected without changing the chemical To put resilience in the foreground.
  • This metallic envelope can for example consist of a metal foil and in particular consist of a stainless steel foil, whereby even the smallest foil thicknesses are sufficient can to prevent the penetration of alkaline media, which at the same time, due to the low film thickness, the thermal conductivity is not essential is significant or already has very good values for a stainless steel foil.
  • the main advantage of a metallic coating comes into play when the metallic envelope forms a lost shape, which is in the manufacture of the Reinforcing bar is used, for example, before casting the reinforcing bar placed in the mold, then with the fiber-reinforced plastic material filled and connected to it immediately.
  • the Metallic cladding can also be used as a shaping during a pultrusion process Serve wrapping or form or formwork.
  • the advantage of such procedures lies in the fact that "wet on wet" is an intimate bond between the matrix material (Synthetic resin) and the outer metallic covering can be produced.
  • the metallic casing from a Coating exists which is either the mold for the fiber reinforced plastic acted upon and after grouting on the outside of the reinforcing bar is set, or the plastic reinforcement bar after its manufacture applied.
  • the covering made of a metallic material with low thermal conductivity, in particular is made of stainless steel. This ensures that the Low thermal conductivity is not an advantage of the plastic reinforcement bars is significantly impaired, since otherwise it is also made entirely of metal could use manufactured rods.
  • the wrapper should also be made of a corrosion resistant Material are made to make the plastic rebar permanent to protect against the alkaline environment of the concrete.
  • An advantageous coating method is to make the reinforcement bar electrostatic charge and pass through a powder swirl chamber, taking due to the electrostatic charge, the epoxy resin powder particles on the rod surface can deposit. Then the bars are charged by a Oven section, and the epoxy resin particles are caused by heat from the outside melted inside.
  • the cylindrical plastic reinforcement bar 1 shown in Figure 1 consists of a Plastic or synthetic resin as matrix material 2 and approximately parallel to the rod axis extending reinforcement fibers 3, for example made of glass fibers, aramid fibers and the like can exist.
  • reinforcement fibers for example made of glass fibers, aramid fibers and the like can exist.
  • the metallic sheathing 4 is tubular or tubular design without longitudinal seam.
  • Such a longitudinal seam connection 15 of an envelope 14 is shown in FIG. 2, where it can also be seen that the longitudinal seam connection selected there consists of an adhesive or There is a welded joint, which is selected so that it produces a complete tightness and mechanical strength guaranteed. Otherwise, the reinforcing bar 11 shown in FIG. 2 corresponds to the reinforcing bar 1 from FIG. 1.
  • the present invention offers the advantage that with the same mechanical properties of known plastic reinforcement bars a safe Tightness against alkaline media can be created, which the accordingly covered reinforcing bars are also permanently installed in concrete components can be.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Hydrogenated Pyridines (AREA)

Claims (18)

  1. Barre d'armature en matériau renforcé par des fibres, caractérisée en ce que la barre d'armature (1, 11) présente une fine enveloppe métallique (4, 14) sur son côté extérieur.
  2. Barre d'armature selon la revendication 1, caractérisée en ce que l'enveloppe (4, 14) est fermée sur son pourtour et blinde la matière plastique (2, 12) renforcée par des fibres contre le milieu alcalin et humide.
  3. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe (4, 14) métallique est constituée d'une feuille métallique, notamment d'une feuille d'acier spécial.
  4. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe (4, 14) métallique est un moule perdu utilisé lors de la fabrication de la barre d'armature (1, 11).
  5. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe (4, 14) métallique est fabriquée en matériau en plaques ou en feuilles en forme de bande, raccordées entre elles pour la fabrication de l'enveloppe fermée en forme de tube ou de tuyau flexible sur ses bords longitudinaux (15).
  6. Barre d'armature selon la revendication 5, caractérisée en ce que le raccordement des bords longitudinaux (15) est réalisé par sertissage, estampage, collage, soudage ou procédé similaire.
  7. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe métallique est constituée d'un revêtement.
  8. Barre d'armature selon la revendication 7, caractérisée en ce que l'enveloppe est un revêtement du moule de fabrication pour la matière plastique renforcée par des fibres.
  9. Barre d'armature selon la revendication 7, caractérisée en ce que l'enveloppe est un revêtement de la barre d'armature en matière plastique finie.
  10. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe présente une surface extérieure et/ou intérieure structurée.
  11. Barre d'armature selon la revendication 10, caractérisée en ce que la surface extérieure et/ou intérieure structurée est fabriquée par estampage.
  12. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que la barre d'armature est réalisée de manière nervurée sur son côté extérieur.
  13. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe (4, 14) est fabriquée en matériau métallique à faible conductibilité thermique, notamment en acier spécial.
  14. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe (4, 14) est fabriquée en matériau anticorrosion.
  15. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe (4, 14) est imperméable à la diffusion envers des liquides particulièrement alcalins.
  16. Barre d'armature selon au moins l'une des revendications précédentes, caractérisée en ce que l'enveloppe (4, 14) est revêtue sur son côté extérieur.
  17. Barre d'armature selon la revendication 16, caractérisée en ce que le revêtement est constitué d'un revêtement par poudre et notamment de résine époxy.
  18. Barre d'armature selon la revendication 17, caractérisée en ce que le revêtement en résine époxy est fabriqué par chargement électrostatique de l'enveloppe métallique, par apport ultérieur de résine époxy dans une chambre de tourbillonnement à poudre avec traitement thermique postérieur.
EP00102093A 1999-04-15 2000-02-03 Barre d'armature Expired - Lifetime EP1045081B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19917126A DE19917126A1 (de) 1999-04-15 1999-04-15 Bewehrungsstab
DE19917126 1999-04-15

Publications (2)

Publication Number Publication Date
EP1045081A1 EP1045081A1 (fr) 2000-10-18
EP1045081B1 true EP1045081B1 (fr) 2002-05-15

Family

ID=7904726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00102093A Expired - Lifetime EP1045081B1 (fr) 1999-04-15 2000-02-03 Barre d'armature

Country Status (6)

Country Link
EP (1) EP1045081B1 (fr)
JP (1) JP2000328714A (fr)
AT (1) ATE217668T1 (fr)
CA (1) CA2303701A1 (fr)
DE (2) DE19917126A1 (fr)
DK (1) DK1045081T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213153A1 (de) * 2002-03-23 2003-10-02 Schoeck Entwicklungsgmbh Bewehrungsstab für den Betonbau und Verfahren zur Herstellung von Bewehrungsstäben
GB2448921A (en) * 2007-05-03 2008-11-05 Univ Brighton Construction Unit
KR102169563B1 (ko) * 2019-09-25 2020-10-23 (주)에스에이치팩 유압 실린더 로드 제조방법
EP3943665A3 (fr) 2020-07-24 2022-04-20 Herchenbach Industrial Buildings GmbH Piquet de fixation
DE202021000006U1 (de) 2021-01-03 2022-04-05 Herchenbach Industrial Buildings GmbH Erdnagel für ein lndustriezelt

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902296A1 (de) * 1979-01-22 1980-07-24 Focke Karl August Verfahren zur armierung von bauwerksteilen und armierung zu dessen durchfuehrung
DE2944878A1 (de) * 1979-11-07 1981-05-21 Dyckerhoff & Widmann AG, 8000 München Korrosionsgeschuetztes bewehrungselement fuer beton
DE3422905A1 (de) * 1984-06-20 1986-01-02 Hansjörg Dipl.-Ing. 7542 Schömberg Braun Vorrichtung zum verbinden einer balkonplatte und einer geschossdecke
DE3446006A1 (de) * 1984-12-17 1986-07-03 Wayss & Freytag Ag, 6000 Frankfurt Korrosionsgeschuetzter bewehrungsstab zur ueberbrueckung planmaessiger bauwerksfugen
DE3702677A1 (de) * 1986-02-07 1987-08-13 Riss Ag Armierungseisen und verfahren zu dessen herstellung
DE4002001C2 (de) * 1990-01-24 1995-02-09 Heinz Wieland Anschluß- und Bewehrungselement für ein von einer Wand vorkragend anzubringendes Bauteil
DE4102332C2 (de) * 1991-01-26 1998-07-02 Frank Gmbh & Co Kg Max Balkonanschluß
DE9318354U1 (de) * 1993-11-18 1994-03-24 Max Frank Gmbh & Co Kg, 94339 Leiblfing Balkonanschluß
US5613334A (en) * 1994-12-15 1997-03-25 Cornell Research Foundation, Inc. Laminated composite reinforcing bar and method of manufacture
AUPN645295A0 (en) * 1995-11-08 1995-11-30 Armacel Pty Limited A reinforcing bar

Also Published As

Publication number Publication date
CA2303701A1 (fr) 2000-10-15
DE50000165D1 (de) 2002-06-20
DK1045081T3 (da) 2002-07-08
JP2000328714A (ja) 2000-11-28
DE19917126A1 (de) 2000-10-19
EP1045081A1 (fr) 2000-10-18
ATE217668T1 (de) 2002-06-15

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