EP0685608B1 - Stahlbetonfertigbauteil - Google Patents
Stahlbetonfertigbauteil Download PDFInfo
- Publication number
- EP0685608B1 EP0685608B1 EP95108181A EP95108181A EP0685608B1 EP 0685608 B1 EP0685608 B1 EP 0685608B1 EP 95108181 A EP95108181 A EP 95108181A EP 95108181 A EP95108181 A EP 95108181A EP 0685608 B1 EP0685608 B1 EP 0685608B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reinforced concrete
- precast reinforced
- concrete element
- steel profile
- element according
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
Definitions
- the invention relates to a prefabricated reinforced concrete component with a Longitudinal extension, with end support elements, the Support element consists of a steel profile that is on the top of the prefabricated reinforced concrete component is arranged with part of its length over the end of the precast reinforced concrete component protrudes and with a flange on a support structure rests and in the precast reinforced concrete component by concreted in Anchoring elements is held.
- Precast reinforced concrete components to which the invention is applied can be found, for example, as beams or slab beams be formed or have the shape of a PI plate, or the shape of a web profile.
- FR-OS 2 283 269 contains a prefabricated reinforced concrete component described genus.
- the T-profile is provided with anchoring elements that in turn partly with the reinforcement of the web profile are connected.
- the above steel profile can achieve that Support structure is loaded more in the central plane. With applied in-situ concrete is finally covered the steel profile and get a uniform area.
- the well-known reinforced concrete prefabricated component is in production comparatively complex and only little resilient.
- DE-OS 2 254 908 describes a reinforced concrete composite beam with a double-T beam over the entire Length of the bar extends.
- the hardened Concrete prevents the curved reinforcement from springing back their starting point.
- the double-T beam completely embedded in the concrete.
- the known precast reinforced concrete component to further develop that a component arises, which is very resilient and in particular Offers advantages in manufacture and installation.
- the invention is based on the prefabricated reinforced concrete component the genus specified at the beginning.
- the steel profile with a Lower chord and an upper chord is formed, the upper chord protrudes upwards from the precast concrete element.
- the anchoring element is essentially formed by a rod that protrudes downwards at right angles from the steel profile and on his has an end anchorage at the lower end.
- a particular advantage of the invention is that the Laying with a hoist is no problem.
- the Lifting gear can namely on the top chord protruding upwards can be scheduled. No others arise during transport Loads than those that also occur in the assembled state so that additional reinforcements are unnecessary.
- the selected arrangement has the further advantage that incorrect treatment be avoided during transport or laying. Transport forces can only be on the top chord of the steel profile attack the concrete part ends. This creates negative moments avoided.
- the stacking of the prefabricated concrete components relieved or enabled. Often it stands Reinforcement of the precast concrete element upwards to a secure connection with the in-situ concrete applied later receive.
- the steel profile used according to the invention offers exact contact points for the prefabricated concrete components, for example with the interposition of bars or similar means. This in turn ensures that the precast reinforced concrete components are only supported in the end areas and no additional during intermediate storage Forces or negative moments occur that may occur the precast reinforced concrete component would not have grown.
- the Lower flange of the steel profile carries a platen with which the steel profile rests on the support structure.
- the invention achieves that the load capacities at a predetermined Place initiated in the support structure, and that an overload of the edge areas of the support structure, the Edge chipping could be avoided. Otherwise usual measures to prevent a congestion Edge parts are therefore not necessary.
- the steel profile can be placed on the web profile. However, it is better if the steel profile over a part its height is concreted into the web profile.
- an anchoring element in the is essentially formed by a rod that is perpendicular to the Steel profile protrudes and one at its lower end End anchorage, for example a plate or a hook having.
- Other end anchors, such as swellings, Spreads or the like are possible.
- the reinforcement on The web profile end thus has a very simple shape with can be produced with little effort. Also inserting into the Precast form is not a problem.
- the plate at the end of the rod, which is preferably equipped with anchoring ribs is a secure hold in the precast concrete component. In the As a rule, it is possible to use additional connections with the To renounce reinforcement of the precast concrete element.
- the screw connection consists of a screw sleeve with internal thread into which the anchoring rod can be screwed is.
- a construction of this type has the advantage that the Length of the anchoring bar according to the respective needs can be adjusted. The same construction can therefore be used for different construction heights of the precast reinforced concrete component be used. It gets longer or shorter Anchoring rod used.
- Another advantage is that the availability, storage and Transporting these parts with little space is possible.
- the prefabricated reinforced concrete component of the representations of FIGS. 1 and 2 essentially comprises a web profile 1, consisting of essentially from a plate 10 with one or more webs 11.
- the plate 10 and the webs 11 have horizontal and vertical reinforcements 12 and 13.
- the vertical extending reinforcements 13 protrude with their upper ends 14 the plate 10 out.
- a steel profile 2 is partially embedded in the plate 10, formed in the embodiment shown as a double-T profile and an upper flange 20 and a lower flange 21 comprises, which are interconnected by means of the web 22.
- the anchoring element 23, which is described in more detail below is explained, is on the underside of the double-T profile or of the steel profile 2.
- the steel profile 2 is above that End 15 of the web profile 1 before.
- On the bottom of the above Part 24, a support plate 25 is welded, with which the web profile 1 stands on a support structure 3.
- an in-situ concrete 30 is applied, the top Ends 14 of the reinforcements 13 and possibly also other horizontal reinforcing bars 16 covers. These serve with further reinforcements in the in-situ concrete to be concreted later Transfer of the traffic load share.
- the load shares from the later traffic loads are determined by additional reinforcements in the in-situ concrete area and the reinforcements 12, 13, 14 and 16 worn. This interaction of the reinforcement and the steel profile enables a particularly economical Dimensioning that was previously unknown.
- each of the webs 11 is a steel profile 2 assigned.
- Platen 25 comparatively low. In many cases it is recommended, however, a platen 25 in sufficient Height of for example 25 millimeters to use and to design the reinforced concrete component so that on the underside of the steel profile 2 projecting from the end 15 a Concrete cover is obtained, which eliminates the risk of corrosion.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Panels For Use In Building Construction (AREA)
- Bridges Or Land Bridges (AREA)
- Rod-Shaped Construction Members (AREA)
Description
- Fig. 1
- eine teilweise Schnittdarstellung eines Stahlbetonfertigbauteils gemäß der Erfindung,
- Fig. 2
- eine Schnittdarstellung zur Darstellung der Fig. 1,
- Fig. 3
- eine vergrößerte Darstellung einer Einzelheit der Erfindung, und
- Fig. 4
- eine Seitenansicht zur Darstellung der Fig. 3.
Claims (13)
- Stahlbetonfertigbauteil mit einer Längserstreckung, mit endseitigen Auflageelementen (24), wobei das Auflageelement (24) aus einem Stahlprofil (2) besteht, das an der Oberseite des Stahlbetonfertigbauteils angeordnet ist, das mit einem Teil seiner Länge über das Ende des Stahlbetonfertigbauteils vorsteht und mit einem Flansch auf einer Stützkonstruktion (3) aufliegt und im Stahlbetonfertigbauteil durch einbetonierte Verankerungselemente (23) gehalten ist, dadurch gekennzeichnet, daß das Stahlprofil (2) mit einem Untergurt (21) und einem Obergurt (20) ausgebildet ist, wobei der Obergurt (20) aus dem Betonfertigteil nach oben vorsteht und daß das Verankerungselement (23) im wesentlichen von einem Stab (28) gebildet ist, der rechtwinklig vom Stahlprofil (2) nach unten absteht und an seinem unteren Ende eine Endverankerung (29) aufweist.
- Stahlbetonfertigbauteil nach Anspruch 1, dadurch gekenn zeichnet, daß die Endverankerung des rechtwinklig nach unten abstehenden Stabes (28) als Platte (29) oder als Haken ausgebildet ist.
- Stahlbetonfertigbauteil nach einem oder beiden der vorhergenannten Ansprüche, dadurch gekennzeichnet, daß an dem Untergurt (21) des Stahlprofiles (2) ein Teil einer Schraubverbindung (26) angebracht ist, an die der Verankerungsstab (28) anschraubbar ist.
- Stahlbetonfertigbauteil nach Anspruch 3, dadurch gekennzeichnet, daß die Schraubverbindung (26) angeschweißt ist.
- Stahlbetonfertigbauteil nach Anspruch 3, dadurch gekennzeichnet, daß die Schraubverbindung als Schraubhülse (26) mit Innengewinde (27) ausgebildet ist, in die der Verankerungsstab (28) einschraubbar ist.
- Stahlbetonfertigbauteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Stahlprofil (2) als Doppel-T-Profil ausgebildet ist.
- Stahlbetonfertigbauteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Stahlprofil (2) über einen Teil seiner Höhe in das Stahlbetonfertigbauteil (1) einbetoniert ist.
- Stahlbetonfertigbauteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Unterseite bzw. der Untergurt (21) des Stahlprofils (2) vom Beton des Stahlbetonfertigbauteils (1) abgedeckt ist.
- Stahlbetonfertigbauteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Untergurt (21) des Stahlprofils (2) eine Auflageplatte (25) trägt, mit der das Stahlprofil (2) auf der Stützkonstruktion aufliegt.
- Stahlbetonfertigbauteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Dimensionierung des Stahlprofils (2) im wesentlichen dem Eigengewichtsanteil des Stahlbetonfertigbauteils (1) und des Ortbetons (30) angepaßt ist, während die zusätzlichen Belastungen aus der Verkehrslast vom Ortbeton (30) und dessen Armierungen (14,16) mitgetragen sind.
- Stahlbetonfertigbauteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Stahlprofil (2) eine Öffnung zur Verbindung mit einem Hebezeug aufweist.
- Stahlbetonfertigbauteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sich der Stab (28) nur über einen Teil der Steghöhe des Stahlbetonfertigbauteiles (1) nach unten erstreckt.
- Stahlbetonfertigbauteil nach Anspruch 12, dadurch gekennzeichnet, daß sich das untere Ende des Stabes (28) oberhalb der unteren Teile einer horizontal verlaufenden Armierung (12) des Stahlbetonfertigbauteiles (1) befindet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29514247U DE29514247U1 (de) | 1994-05-31 | 1995-05-29 | Stahlbetonfertigbauteil |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4418911 | 1994-05-31 | ||
DE4418911 | 1994-05-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0685608A1 EP0685608A1 (de) | 1995-12-06 |
EP0685608B1 true EP0685608B1 (de) | 2001-12-12 |
Family
ID=6519374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95108181A Expired - Lifetime EP0685608B1 (de) | 1994-05-31 | 1995-05-29 | Stahlbetonfertigbauteil |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0685608B1 (de) |
AT (1) | ATE210770T1 (de) |
DE (1) | DE59509927D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202011109371U1 (de) | 2011-12-21 | 2012-03-06 | Peikko Group Oy | Anordnung in einem Verstärkungssystem |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10060527B4 (de) * | 2000-12-06 | 2006-01-12 | Institut für Fertigteiltechnik und Fertigbau Weimar e.V. | Querkraft-Verbindung im Fertigteilbau |
CN109944364B (zh) * | 2019-04-09 | 2024-05-03 | 河南绿建建筑科技有限公司 | 长几字型钢与螺纹套管组合式钢砼组合管t型节点 |
DE102020133632A1 (de) | 2020-12-15 | 2022-06-15 | Pfeifer Holding Gmbh & Co. Kg | Auflageelement für ein Stahlbetonfertigteil |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2058714A1 (de) * | 1970-11-28 | 1972-11-16 | Remy Friedr Nfg | Betonrippenplatte |
FR2283269A1 (fr) * | 1974-06-04 | 1976-03-26 | Desse Freres Anciens Ets | Dispositif d'attache par suspentes d'une poutre secondaire prefabriquee en beton arme sur une poutre principale prefabriquee en beton arme |
FR2307164A1 (fr) * | 1975-04-11 | 1976-11-05 | Arteon Marcel | Perfectionnements apportes aux douilles d'ancrage ou de fixation incorporees dans des elements moules ou coules, en particulier des murs ou cloisons |
US4295310A (en) * | 1979-08-22 | 1981-10-20 | Mcmanus Ira J | Precast concrete joist composite system |
DE3101340C2 (de) * | 1981-01-17 | 1983-04-28 | Karl Bachl Ziegel- und Betonwerke, 8391 Deching | Stahlbetonfertigteil, insbesondere für Deckenplatten |
US4612751A (en) * | 1985-07-09 | 1986-09-23 | Dur-O-Wal, Inc. | Dapped end reinforcement assembly for precast prestressed concrete members |
-
1995
- 1995-05-29 EP EP95108181A patent/EP0685608B1/de not_active Expired - Lifetime
- 1995-05-29 AT AT95108181T patent/ATE210770T1/de active
- 1995-05-29 DE DE59509927T patent/DE59509927D1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202011109371U1 (de) | 2011-12-21 | 2012-03-06 | Peikko Group Oy | Anordnung in einem Verstärkungssystem |
Also Published As
Publication number | Publication date |
---|---|
EP0685608A1 (de) | 1995-12-06 |
ATE210770T1 (de) | 2001-12-15 |
DE59509927D1 (de) | 2002-01-24 |
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