EP1045081A1 - Bewehrungsstab - Google Patents
Bewehrungsstab Download PDFInfo
- Publication number
- EP1045081A1 EP1045081A1 EP00102093A EP00102093A EP1045081A1 EP 1045081 A1 EP1045081 A1 EP 1045081A1 EP 00102093 A EP00102093 A EP 00102093A EP 00102093 A EP00102093 A EP 00102093A EP 1045081 A1 EP1045081 A1 EP 1045081A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reinforcement bar
- bar according
- metallic
- coating
- reinforcing bar
- 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
Links
Images
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. Reinforcement bars 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 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 sheathing comes into play when the metallic sheathing forms a lost shape, which is used in the manufacture of the reinforcing bar, that is, for example, placed in the mold before the reinforcing bar is poured, then filled with the fiber-reinforced plastic material and thereby immediately connected to it.
- the metallic covering can also serve as a shaping covering or shape or formwork during a pultrusion process.
- the advantage of such methods is that wet in wet "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 acted upon.
- 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.
- FIG. 2 Such a longitudinal seam connection 15 of an envelope 14 is shown in FIG. 2, where can also be seen that the longitudinal seam connection selected there from 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)
- Hydrogenated Pyridines (AREA)
- Moulding By Coating Moulds (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
- Figur 1
- einen erfindungsgemäßen Bewehrungsstab im Querschnitt; und
- Figur 2
- eine alternative Ausführungsform eines erfindungsgemäßen Bewehrungsstabes ebenfalls im Querschnitt.
Claims (18)
- Bewehrungsstab aus faserverstärktem Kunststoff,
dadurch gekennzeichnet,
daß der Bewehrungsstab (1, 11) auf seiner Außenseite eine dünne metallische Umhüllung (4, 14) aufweist. - Bewehrungsstab nach Anspruch 1,
dadurch gekennzeichnet,
daß die Umhüllung (4, 14) geschlossen umläuft und den faserverstärkten Kunststoff (2, 12) gegenüber der alkalischen und feuchten Umgebung abschirmt. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die metallische Umhüllung (4, 14) aus einer Metallfolie, insbesondere einer Edelstahlfolie besteht. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die metallische Umhüllung (4, 14) eine verlorene Form ist , die bei der Herstellung des Bewehrungsstabes (1, 11) verwendet wird. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die metallische Umhüllung (4, 14) aus einem streifenförmigen Platten- oder Folienmaterial hergestellt ist, das zur Herstellung der rohr- oder schlauchförmigen geschlossenen Umhüllung an seinen Längsrändern (15) miteinander verbunden ist. - Bewehrungsstab nach Anspruch 5,
dadurch gekennzeichnet,
daß das Verbinden der Längsränder (15) durch Umfalzen, Prägen, Kleben, Schweißen oder dergleichen erfolgt. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die metallische Umhüllung aus einer Beschichtung besteht. - Bewehrungsstab nach Anspruch 7,
dadurch gekennzeichnet,
daß die Umhüllung eine Beschichtung der Herstellungsform für den faserverstärkten Kunststoff ist. - Bewehrungsstab nach Anspruch 7,
dadurch gekennzeichnet,
daß die Umhüllung eine Beschichtung des fertigen Kunststoff-Bewehrungs-stabes ist. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die Umhüllung eine strukturierte Außen- und/oder Innenfläche aufweist. - Bewehrungsstab nach Anspruch 10,
dadurch gekennzeichnet,
daß die strukturierte Außen- und/oder Innenfläche durch Prägen hergestellt ist. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß der Bewehrungsstab auf seiner Außenseite gerippt ausgeführt ist. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die Umhüllung (4, 14) aus einem metallischen Material mit geringer Wärmeleitfähigkeit, insbesondere aus Edelstahl hergestellt ist. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die Umhüllung (4, 14) aus einem korrosionsbeständigem Material hergestellt ist. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die Umhüllung (4, 14) diffusionsdicht gegenüber insbesondere alkalischen Medien ist. - Bewehrungsstab nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
daß die Umhüllung (4, 14) auf ihrer Außenseite beschichtet ist. - Bewehrungsstab nach zumindest Anspruch 16,
dadurch gekennzeichnet,
daß die Beschichtung aus einer Pulverbeschichtung und insbesondere aus Epoxidharz besteht. - Bewehrungsstab nach zumindest Anspruch 17,
dadurch gekennzeichnet,
daß die Epoxidharzbeschichtung durch elektrostatisches Aufladen der metallischen Umhüllung, durch anschließendes Aufbringen des Epoxidharz in einer Pulververwirbelungskammer mit nachfolgender Wärmebehandlung hergestellt ist.
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 true EP1045081A1 (de) | 2000-10-18 |
EP1045081B1 EP1045081B1 (de) | 2002-05-15 |
Family
ID=7904726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00102093A Expired - Lifetime EP1045081B1 (de) | 1999-04-15 | 2000-02-03 | Bewehrungsstab |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1045081B1 (de) |
JP (1) | JP2000328714A (de) |
AT (1) | ATE217668T1 (de) |
CA (1) | CA2303701A1 (de) |
DE (2) | DE19917126A1 (de) |
DK (1) | DK1045081T3 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008135739A1 (en) * | 2007-05-03 | 2008-11-13 | University Of Brighton | Construction unit |
EP3943665A2 (de) | 2020-07-24 | 2022-01-26 | Herchenbach Industrial Buildings GmbH | Erdnagel |
DE202021000006U1 (de) | 2021-01-03 | 2022-04-05 | Herchenbach Industrial Buildings GmbH | Erdnagel für ein lndustriezelt |
Families Citing this family (2)
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 |
KR102169563B1 (ko) * | 2019-09-25 | 2020-10-23 | (주)에스에이치팩 | 유압 실린더 로드 제조방법 |
Citations (6)
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 |
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 |
DE9318354U1 (de) * | 1993-11-18 | 1994-03-24 | Frank Gmbh & Co Kg Max | Balkonanschluß |
WO1997002393A1 (en) * | 1995-06-30 | 1997-01-23 | Cornell Research Foundation, Inc. | Laminated composite reinforcing bar and method of manufacture |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2944878A1 (de) * | 1979-11-07 | 1981-05-21 | Dyckerhoff & Widmann AG, 8000 München | Korrosionsgeschuetztes bewehrungselement fuer beton |
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 |
AUPN645295A0 (en) * | 1995-11-08 | 1995-11-30 | Armacel Pty Limited | A reinforcing bar |
-
1999
- 1999-04-15 DE DE19917126A patent/DE19917126A1/de not_active Withdrawn
-
2000
- 2000-02-03 AT AT00102093T patent/ATE217668T1/de not_active IP Right Cessation
- 2000-02-03 DE DE50000165T patent/DE50000165D1/de not_active Expired - Fee Related
- 2000-02-03 DK DK00102093T patent/DK1045081T3/da active
- 2000-02-03 EP EP00102093A patent/EP1045081B1/de not_active Expired - Lifetime
- 2000-04-04 CA CA002303701A patent/CA2303701A1/en not_active Abandoned
- 2000-04-13 JP JP2000111428A patent/JP2000328714A/ja active Pending
Patent Citations (6)
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 |
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 |
DE9318354U1 (de) * | 1993-11-18 | 1994-03-24 | Frank Gmbh & Co Kg Max | Balkonanschluß |
WO1997002393A1 (en) * | 1995-06-30 | 1997-01-23 | Cornell Research Foundation, Inc. | Laminated composite reinforcing bar and method of manufacture |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008135739A1 (en) * | 2007-05-03 | 2008-11-13 | University Of Brighton | Construction unit |
GB2463183A (en) * | 2007-05-03 | 2010-03-10 | Univ Brighton | Construction unit |
EP3943665A2 (de) | 2020-07-24 | 2022-01-26 | Herchenbach Industrial Buildings GmbH | Erdnagel |
DE102021003798A1 (de) | 2020-07-24 | 2022-01-27 | Herchenbach lndustrial Buildings GmbH | Erdnagel für ein lndustriezelt |
DE202021000006U1 (de) | 2021-01-03 | 2022-04-05 | Herchenbach Industrial Buildings GmbH | Erdnagel für ein lndustriezelt |
Also Published As
Publication number | Publication date |
---|---|
DE50000165D1 (de) | 2002-06-20 |
JP2000328714A (ja) | 2000-11-28 |
CA2303701A1 (en) | 2000-10-15 |
EP1045081B1 (de) | 2002-05-15 |
ATE217668T1 (de) | 2002-06-15 |
DE19917126A1 (de) | 2000-10-19 |
DK1045081T3 (da) | 2002-07-08 |
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