EP1703036B1 - Élément de construction pour armature de cisaillement et de poinçonnement - Google Patents
Élément de construction pour armature de cisaillement et de poinçonnement Download PDFInfo
- Publication number
- EP1703036B1 EP1703036B1 EP05026802A EP05026802A EP1703036B1 EP 1703036 B1 EP1703036 B1 EP 1703036B1 EP 05026802 A EP05026802 A EP 05026802A EP 05026802 A EP05026802 A EP 05026802A EP 1703036 B1 EP1703036 B1 EP 1703036B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- rail
- structural element
- reinforcement
- shear
- 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.)
- Not-in-force
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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
- E04C5/01—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
- E04C5/0645—Shear reinforcements, e.g. shearheads for floor slabs
Definitions
- the invention relates to a component for shear and / or punching shear reinforcement, in particular for transmitting power in the connection area of supports to reinforced components such as flat slabs and floor slabs, consisting of a plurality of preferably designed as a head bolt reinforcement elements which are mutually parallel and spaced from each other, and from one of the reinforcing elements mutually determining connecting element, wherein the connecting element consists of a rail with approximately U- or C-shaped cross-section, which engages with their profile edges, the terminal bolt heads of the head bolts and so determines the head bolts.
- Such shear reinforcement elements are for example from the DE-A 195 48 685 known.
- the existing of a sheet material rail overlaps the upper bolt heads, starting from the upper side of the side up to the frustoconical underside of the upper bolt heads.
- the minimum concrete coverage which is the edge region of the component that is susceptible to corrosion and may be equipped only with corrosion-resistant materials
- the minimum distance between the top of the armored component, ie in particular the flat ceiling, and the top of the rail defined must therefore the upper bending reinforcement for the component on which the rail is placed, according to the inside, so be moved away from the top of the reinforced component, including the static effective height of the component suffers accordingly.
- the present invention is based on the object to further improve the component for shear and / or punching shear reinforcement of the type mentioned and in particular to increase its static effective height.
- the rail of the present subject invention preferably fiber-reinforced, high-strength concrete and therefore has the advantages that the rail itself take static functions and in particular in the horizontal direction can forward the shear forces or in terms of the truss-like force curve for a better power or force discharge into or out of the bolt head provides.
- the existing high-strength concrete or concrete at least the strength class C50 profile rail with head bolts can be used advantageously to set up the entire component for shear reinforcement on the lower component formwork, so you do not need separate spacers, as for example in the above EP-A 1 033 454 is described.
- the profile rail made of high-strength or at least concrete, the Festigstre C50, which then ensures the appropriate acquisition of the static tasks.
- the concrete material is fiber-reinforced in order to achieve better tensile strength and thus overall better stability.
- the rail is formed profiled at least on one of its outer long sides. As a result, the profile rail with the concrete an even better positive connection.
- the head bolts in the rail either cohesively, for example by gluing, or are positively fixable.
- the bolt heads of the head bolts may have a deviating from a circular circular horizontal cross section, in particular an oval or a corresponding one of a hammer head shape horizontal cross section.
- the horizontal cross section of the bolt heads and the approximately U- or C-shaped vertical cross section of the rail can be coordinated so that the bolt heads with their narrower horizontal cross section - similar to a hammer head screw in so-called Halfen rails - in the groove of the rail between the profile edges can be inserted and that they are there by rotation around in particular about 90 ° about the bolt longitudinal axis under Schugreifung the profile edges in the groove of the rail, for example, by clamping or positive locking can be fixed.
- an inventive shear reinforcement element 1 is shown, which consists of a plurality of vertical to be arranged in the component to be braced head bolt 2 and from a head bolt mutually in the predetermined position and orientation to each other defining connecting element 3 exists.
- the connecting bolt 3 in turn has an approximately C-shaped vertical cross-section to form a groove 7, in which the upper bolt heads 5 of Head bolt 2 are inserted.
- the connecting element 3 has two profile edges 8, 9 delimiting the groove 7, which form the free mutually directed limbs of the C-shaped cross section and, as in particular in FIG FIG. 3 is shown - embrace the upper bolt heads 5 and thus set the head bolt 2 positively.
- the head bolt 2 can be inserted with their bolt heads 5 in the groove to the groove bottom 10 and then be folded by 90 ° about the pin longitudinal axis 11, so that each bolt head protrudes with the wider diameter D2 in the lateral groove recesses of the profile edges 8, 9 and is thus encompassed by these profile edges.
- the positive connection of the head bolt 2 is further improved with the connecting element 3.
- FIG. 3 It should be noted that although there is a covered by the rail 3 upper bolt head 5 of the head bolt 2 is shown. Likewise, however, could be determined by means of the same rail 3 of the head bolt 2 in the region of its lower bolt head and the entire component can be placed on a lower component formwork.
- the present invention offers the advantage of providing a connecting element for a shear or punching reinforcement element which can extend into the minimum concrete cover.
- the length of the head bolts can be increased so much that their static effective height is correspondingly improved.
- the upper and lower bending reinforcement of the component to be reinforced can be moved all the way to the edge of the minimum concrete cover, in contrast to the profile rail consisting of sheet metal. This also makes it possible to improve the static effective height of the reinforcement once again.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
- Sewage (AREA)
- Bridges Or Land Bridges (AREA)
- Reinforced Plastic Materials (AREA)
Claims (8)
- Élément de construction pour réaliser une armature de cisaillement et/ou de poinçonnement, notamment pour transmettre des forces dans la zone où des poteaux sont reliés à des éléments de construction armés tels que des dalles plates et des planchersdalles, qui est composé de plusieurs éléments d'armature réalisés en tant que goujons à tête (2) et disposées parallèlement entre eux et de façon espacée, et d'un élément de liaison (3) immobilisant les éléments d'armature les uns par rapport aux autres, l'élément de liaison étant constitué par un rail profilé de section transversale approximativement en forme de U ou de C, dont les bords (8, 9) enserrent les têtes de goujon (5) situées à l'extrémité, immobilisant ce faisant les goujons à tête (2), caractérisé en ce que le rail profilé (3) est composé de béton à haute résistance, de préférence renforcé de fibres, ou de béton appartenant au moins à la classe de résistance C50.
- Élément de construction selon la revendication 1, caractérisé en ce que le rail profilé (3) est réalisé profilé sur au moins l'une de ses faces longitudinales extérieures (12).
- Élément de construction selon au moins l'une des revendications précédentes, caractérisé en ce que les goujons à tête (2) peuvent être fixés dans le rail profilé (3) par liaison de matière, par exemple par collage.
- Élément de construction selon au moins l'une des revendications précédentes, caractérisé en ce que les goujons à tête (2) peuvent être fixés dans le rail profilé (3) par engagement positif.
- Élément de construction selon au moins la revendication 4, caractérisé en ce que les têtes de goujon (5) des goujons à tête (2) présentent une section transversale horizontale autre que circulaire.
- Élément de construction selon au moins la revendication 5, caractérisé en ce que les têtes de goujon (5) des goujons à tête (2) présentent une section transversale horizontale ovale.
- Élément de construction selon au moins la revendication 5 ou 6, caractérisé en ce que la section transversale horizontale des têtes de goujon (5) et la section transversale verticale en forme de U ou de C du rail profilé (3) sont coordonnées de telle sorte que les têtes de goujon (5) puissent être enfoncées avec leur section transversale horizontale (D1) plus mince dans la rainure (7) du rail profilé (3) entre les bords de profilé (8, 9), et qu'elles puissent être immobilisées dans la rainure du rail après une rotation notamment d'environ 90° autour de l'axe longitudinal du goujon (11) et en se mettant en prise avec leur section transversale horizontale plus large (D2) derrière les bords de profilé (8, 9).
- Procédé pour monter un élément de construction pour réaliser une armature de cisaillement et/ou de poinçonnement dans un élément de construction à armer en utilisant l'armature de cisaillement et/ou de poinçonnement selon au moins la revendication 1, caractérisé en ce que, dans un premier temps, on pose l'élément de liaison (3) avec la rainure (7) située en haut au moins indirectement sur le coffrage inférieur de l'élément de construction, en ce que l'on positionne ensuite l'armature de flexion inférieure dans l'élément de construction à armer, et en ce que, enfin, on enfonce les goujons à tête (2) dans la rainure (7) de l'élément de liaison, à travers l'armature de flexion inférieure, et on les y immobilise.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL05026802T PL1703036T3 (pl) | 2005-02-25 | 2005-12-08 | Element budowlany do zbrojenia na ścinanie lub do zbrojenia wytłaczanego |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005008748A DE102005008748A1 (de) | 2005-02-25 | 2005-02-25 | Bauelement zur Schub- bzw. Durchstanzbewehrung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1703036A1 EP1703036A1 (fr) | 2006-09-20 |
EP1703036B1 true EP1703036B1 (fr) | 2008-05-28 |
Family
ID=36250820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05026802A Not-in-force EP1703036B1 (fr) | 2005-02-25 | 2005-12-08 | Élément de construction pour armature de cisaillement et de poinçonnement |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1703036B1 (fr) |
AT (1) | ATE397130T1 (fr) |
DE (2) | DE102005008748A1 (fr) |
PL (1) | PL1703036T3 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101320559B1 (ko) * | 2011-05-31 | 2013-10-28 | 재단법인 포항산업과학연구원 | 슬래브와 기둥 접합부의 전단 보강 구조물 |
CN105239672B (zh) * | 2015-10-26 | 2017-10-20 | 华侨大学 | 一种抗剪抗拉拔连接件 |
DE102019123256A1 (de) * | 2019-08-30 | 2021-03-04 | Reinhold Elsässer | Bewehrung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2112480A (en) * | 1935-09-03 | 1938-03-29 | Reynolds Corp | Joist |
EP0744508B1 (fr) * | 1995-05-11 | 1998-11-11 | HALFEN GmbH & CO. Kommanditgesellschaft | Dispositif pour former une armature de cisaillement pour dalles plates |
CA2165848C (fr) * | 1995-12-21 | 1999-03-30 | Amin Ghali | Systeme d'armature a goujon pour beton de construction |
DE29903737U1 (de) * | 1999-03-02 | 1999-08-12 | Schoeck Bauteile Gmbh | Bauelement zur Schubbewehrung |
DE20106428U1 (de) * | 2001-04-11 | 2001-07-19 | Kahneisen Gmbh Deutsche | Dübelleiste für Durchstanzbewehrungen |
CH696204A5 (de) * | 2003-02-10 | 2007-02-15 | Ankaba Ag | Vorrichtung zur Schubbewehrung. |
-
2005
- 2005-02-25 DE DE102005008748A patent/DE102005008748A1/de not_active Withdrawn
- 2005-12-08 EP EP05026802A patent/EP1703036B1/fr not_active Not-in-force
- 2005-12-08 AT AT05026802T patent/ATE397130T1/de not_active IP Right Cessation
- 2005-12-08 DE DE502005004265T patent/DE502005004265D1/de not_active Expired - Fee Related
- 2005-12-08 PL PL05026802T patent/PL1703036T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
ATE397130T1 (de) | 2008-06-15 |
EP1703036A1 (fr) | 2006-09-20 |
DE502005004265D1 (de) | 2008-07-10 |
PL1703036T3 (pl) | 2008-10-31 |
DE102005008748A1 (de) | 2006-08-31 |
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