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EP1932978B1 - Elément d'armature pour l'absorption de forces dans des plaques de béton dans la zone d'éléments d'appui - Google Patents

Elément d'armature pour l'absorption de forces dans des plaques de béton dans la zone d'éléments d'appui Download PDF

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Publication number
EP1932978B1
EP1932978B1 EP20060126164 EP06126164A EP1932978B1 EP 1932978 B1 EP1932978 B1 EP 1932978B1 EP 20060126164 EP20060126164 EP 20060126164 EP 06126164 A EP06126164 A EP 06126164A EP 1932978 B1 EP1932978 B1 EP 1932978B1
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EP
European Patent Office
Prior art keywords
base
region
rods
reinforcing
bow
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.)
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Application number
EP20060126164
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German (de)
English (en)
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EP1932978A1 (fr
Inventor
Urs Oelhafen
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.)
FJ Aschwanden AG
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FJ Aschwanden AG
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Priority to ES06126164T priority Critical patent/ES2389563T3/es
Priority to EP20060126164 priority patent/EP1932978B1/fr
Publication of EP1932978A1 publication Critical patent/EP1932978A1/fr
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Publication of EP1932978B1 publication Critical patent/EP1932978B1/fr
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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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors

Definitions

  • the present invention relates to a building structure with a reinforcing element, which is inserted into a concrete plate, which is equipped with support elements for receiving forces in each case in the region of the support elements and which is formed from reinforcing steel.
  • the invention relates to a building structure with a reinforcement system for the absorption of forces in concrete slabs in the area of support elements, which is composed of a plurality of reinforcing elements.
  • the object of the present invention is therefore to provide a building structure with a reinforcing element for the absorption of forces in concrete slabs in the region of support elements, which can accommodate large loads and which can be produced easily and inexpensively.
  • the solution of this object is achieved in that at least one of the basic rod has at least one bracket having the shape of a bracket is attached, which bracket bar a first End region, which is connected to the base rod by welding, in which connection reinforcing elements are inserted and welded, a first oblique region, which runs away from the base at an angle ⁇ 1, which is about 25 ° to 45 °, a central region, which from the Base bar is spaced, a second inclined portion which is tapered to the base bar at an angle ⁇ 2, which is about 25 ° to 45 °, and a second end portion which is connected to the base rod by welding, in which connection reinforcing elements inserted are welded, and that the base rod is disposed adjacent to the support member in the concrete slab and the central portion of the hanger bar is disposed above the support member and spaced therefrom and has a straight distance corresponding approximately to the width of the support member, and wherein the first En Scheme a lower part of the first oblique region is, un d
  • the reinforcing element is formed from a base bar and two mutually parallel strap bars, and that the strap bars have a distance from each other, which corresponds approximately to the thickness of the base bar.
  • the reinforcing element in order to meet very specific requirements even better, are also designed so that this consists of two mutually parallel bars and three mutually parallel strap bars or three mutually parallel bars and two mutually parallel strap bars, that the strap bars each at a distance from each other have, which corresponds approximately to the thickness of a base bar, and that the base bars each have a distance from each other, which corresponds approximately to the thickness of a stirrup bar.
  • the basic rods and stirrup rods can also be optimally interconnected.
  • the end portions of the basic rods are provided with anchoring elements, whereby these end portions of the basic rods are anchored in an optimal manner in the concrete floor or in the foundation plate.
  • anchoring elements In a known manner can be attached as anchoring to the basic rods end plates or anchor heads, the end portions of the basic rods can also be provided with a turn, it is also conceivable to provide the basic rods with long end portions, resulting in a good anchorage in the concrete by the length the execution results.
  • the reinforcing elements are designed so that a reinforcement system for the absorption of forces in concrete ceilings or foundation plates in the area of support elements can be assembled from a plurality of reinforcing elements.
  • a reinforcement system for the absorption of forces in concrete ceilings or foundation plates in the area of support elements can be assembled from a plurality of reinforcing elements.
  • a support member whose cross-section has a width which corresponds approximately to the length thereby more reinforcing elements can be used crosswise.
  • reinforcing elements with two different heights are used in this crosswise use, so that the reinforcing elements are inserted with a lesser height in the reinforcement elements with greater height. This allows these reinforcing elements are optimally assembled for a variety of applications.
  • a rotating element is mounted in at least one intersection point in crossing reinforcing elements.
  • Reinforcement systems that consist of crossing reinforcing elements and are pre-assembled, can be folded together for transport around the rotating elements, whereby the space requirement is low.
  • a plurality of reinforcing elements can be used in an advantageous manner, which are parallel to each other and transverse to the longitudinal direction The support element are aligned, whereby an optimal reinforcement system, for example, for retaining walls is reached.
  • a first embodiment of a construction structure according to the invention with a reinforcing element 1 is shown.
  • This reinforcing element 1 consists of an elongated base rod 2, to which a respective first bracket bar 3 having the shape of a bracket and a second, the first bracket bar 3 corresponding bracket bar 3 'is attached.
  • These two stirrup bars 3 and 3 ' have a first end region 4, which is connected to the base bar 2 in each case.
  • both stirrup rods 3 and 3 ' comprise a first oblique region 5 which runs away from the base rod 2, specifically at an angle ⁇ 1 which in the present embodiment is approximately 30 °.
  • the first oblique region 5 is completed by a bend 6, which is formed so that the stirrup rods 3 and 3 'extend in the following central region 7 approximately parallel to the base bar 2.
  • This middle region 7 is then completed by a further bend 8, whereby the bail bar 3, 3 'merges into a second inclined region 9, which is tapered to the base bar 2, and at an angle ⁇ 2, which in the present embodiment also about 30 ° is.
  • the second inclined region 9 of the two stirrup rods 3, 3 ' terminates in the second end region 10, which in each case is in turn connected to the base rod 2.
  • reinforcing elements 11 can additionally be used, which will be described in detail later.
  • the base bar 2 is provided at its end with anchoring elements 12 which are formed in the illustrated embodiment of bending the end portions of the base bar 2, but these anchoring elements 12 could also be formed in a known manner from anchor heads, it is also conceivable that the end portions of the base bar 2 are extended, and that the anchoring in the concrete is achieved by the length of the base bar 2 in sufficient mass.
  • the base bar 2 and the stirrup bars 3 are formed of commercially available reinforcing steel, the diameter of these reinforcing bars being adapted to the intended use and the load, it is also conceivable to manufacture such reinforcing elements from stainless steel instead of reinforcing steel, if a corresponding application so requires, However, other suitable materials are also conceivable.
  • a support member 13 is shown schematically, which is to support a concrete plate 14.
  • the reinforcing element 1 is used in such a way that the respective base bar 2 is adjacent to the supporting element 13, while the stirrup bars 3 face away from the supporting element 13.
  • the base bar 2 can come to rest during installation, for example, to the height of the first lower bending reinforcement layers of the ceiling.
  • the central region 7 of the reinforcement element 1 can then come to lie on the height of the fourth uppermost bending reinforcement layer of the ceiling. As a result, this reinforcing element 1 is optimally integrated into the bending reinforcement layers of the ceiling.
  • the central region 7 has a length which corresponds approximately to the width of the support element 13.
  • Fig. 4 shows in a spatial representation the formation of a connection between the two hanger bars 3, 3 'and the base bar 2.
  • the respective end region 4 of the hanger bars 3 and 3' is laterally welded to the base bar 2.
  • For reinforcement are on the base bar 2 and on the hanger bars 3 and 3 'four short rod pieces 15 welded, which are each outwardly lying covered with a bridge element 16, which bridge element 16 with the hanger bars 3 and 3' is also welded.
  • an optimal connection between the base bar 2 and hanger bars 3, 3 ' is achieved, which can absorb the loads optimally.
  • the opposite connection on the reinforcing element 1 is the same.
  • Fig. 5 shows another possibility of the connection between the hanger bars 3 and 3 'and the base bar 2.
  • the hanger bars 3 and 3' are in turn laterally welded to their end portions 4 on the base bar 2, above a reinforcing plate is placed in the region of the end portions 4 of the hanger bars 3 and 3 'each have a recess 18, this reinforcing plate 17 is in turn welded to the base bar 2 and the hanger bars 3 and 3'. This also gives you an optimal connection.
  • Fig. 6 shows the one half of another embodiment of a reinforcing element 1.
  • This embodiment is in turn composed of the basic bars 2 and bar members 3, which are formed identically, as those according to the first embodiment.
  • rod pieces 15 can again be inserted and welded to the corresponding bars.
  • the Fig. 7 to 9 show a first embodiment of a reinforcement system 19, which consists of two reinforcing elements 1, as to the Fig. 1 to 3 have been described.
  • a first reinforcing element 1 is arranged crosswise to a second reinforcing element 1 '.
  • the second reinforcing element 1 ' has a lower height relative to the first reinforcing element 1 between the base bar 2 and the central area 7, so that the second reinforcing element 1' can be inserted into the first reinforcing element 1.
  • This reinforcement system 19 comes when inserted into the concrete floor 14, as in Fig. 7 is shown, between the first and fourth reinforcement layer, that is to lie on the height of the second and third reinforcement system of the ceiling, so that this system 19 is optimally integrated into the bending reinforcement layers of the ceiling.
  • this embodiment is composed of a first reinforcing element 1, in which transversely to two second reinforcing elements 1 ', at a distance from each other, are inserted transversely.
  • the location of this embodiment of a reinforcement system 19 in the supported by the support member 13 ceiling 14, as shown in Fig. 10 is shown in the same manner as in the previous embodiment. How out Fig. 12 it can be seen, this reinforcement system 19 is suitable with a first reinforcing element 1 and two reinforcing elements 1 'arranged transversely thereto, in particular for supports 13 which have a rectangular shape.
  • FIGS Fig. 13 to 15 Another embodiment of a reinforcement system 19 is shown in FIGS Fig. 13 to 15 shown.
  • this reinforcement system 19 two parallel aligned first reinforcing elements 1 are used, in which two second reinforcing elements 1 'are inserted transversely thereto.
  • the position and arrangement in the ceiling 14 is carried out in the same manner as in the previous embodiments, so that an optimal integration in the first to fourth bending reinforcement layer of the ceiling is achieved here.
  • Reinforcement systems can be used in particular for support elements 13, which have a greater width and length, as in Fig. 15 can be seen and which larger loads have to take over.
  • FIGS. 16 and 17 shows the embodiment of a reinforcement system 19, which corresponds to that in the Fig. 7 to 9 has been described.
  • This reinforcement system 19 can be delivered in the preassembled state.
  • a rotary member 20 is mounted in the upper intersection of the two reinforcing elements 1 and 1 ', which will be described in detail below.
  • the rotary member 20 consists of an upper cap 21 and a lower cap 22 which comprise the respective stirrup rods 3, 3 "of the first reinforcing element 1 and the second reinforcing element 1 '
  • This screw 23 can be loosened, the first reinforcing element 1 and the second reinforcing element 1 'can then be folded around the axis of this screw 23, as shown in particular Fig. 20 it can be seen, these preassembled reinforcement systems 19 can thus be transported to save space in this folded position and opened at the site and fixed by tightening the screw 23 in the unfolded position.
  • a reinforcement system 19 is shown, which is formed from a first reinforcing element 1 and a second reinforcing element 1 ', as have been previously described, which form a cross.
  • This reinforcement system is arranged centrally on the support element 13. In the corner areas of this support member 13 and between the reinforcing elements 1 and 1 'can be used as additional reinforcement or reinforcement cages 24, which have the known structure of reinforcing steel. It is also conceivable that 24 anchor anchors are used instead of the reinforcement cages.
  • Fig. 22 shows a plan view of a support member 13 which has a substantially greater length than width.
  • This can be, for example, a retaining wall.
  • a Row of first reinforcing elements 1 are used, which are spaced apart and aligned parallel to each other. This gives you an optimal support here.
  • the reinforcing elements as described above, can be combined in various ways, depending on the load to be absorbed, but also on the cross-sectional shape of the support element. It is particularly advantageous in this case that these reinforcing elements, which form the respective desired reinforcement system, in the region of the support element are each continuous, which allows optimal load bearing.

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

Claims (8)

  1. Structure de construction avec une plaque bétonnée (14) et un élément de support (13) qui supporte ladite plaque bétonnée (14), et avec un élément d'armature inséré dans ladite plaque bétonnée (14) pour absorber des forces dans la zone dudit élément de support (13), ledit élément d'armature étant réalisé en acier à béton, caractérisé en ce qu'au moins une barre d'étrier (3) ayant la forme d'un étrier est fixée à au moins une barre de base (2) dudit élément d'armature, ladite barre d'étrier (3) ayant une première zone d'extrémité (4) raccordée par soudure avec ladite barre de base (2), raccordement dans lequel des pièces de renforcement (11) sont insérées et soudées, une première zone oblique (5) s'écartant de ladite barre de base (2) sous un angle β1 d'environ 25° à 45°, une zone centrale (7) espacée par rapport à ladite barre de base (2), une seconde zone oblique (9) s'approchant de ladite barre de base (2) sous un angle β2 d'environ 25° à 45°, et une seconde zone d'extrémité (10) raccordée par soudure avec ladite barre de base (2), raccordement dans lequel des pièces de renforcement (11) sont insérées et soudées, et en ce que ladite barre de base est agencée de manière adjacente audit élément de support dans ladite plaque bétonnée, et la zone centrale (7) de ladite barre d'étrier (3) est agencée au-dessus dudit élément de support et de manière espacée par rapport à ce dernier et comporte un tronçon droit correspondant approximativement à la largeur dudit élément de support (13), et dont ladite première zone d'extrémité (4) est une partie de base de ladite première zone oblique (5), et dont ladite seconde zone d'extrémité (10) est une partie de base de ladite seconde zone oblique (9).
  2. Structure de construction selon la revendication 1, caractérisée en ce que celle-ci est constituée d'une barre de base (2) et de deux barres d'étrier (3, 3') parallèles l'une à l'autre, et en ce que lesdites barres d'étrier (3, 3') ont un écart l'une de l'autre qui correspond approximativement à la largeur de ladite barre de base (2).
  3. Structure de construction selon la revendication 1, caractérisée en ce que celle-ci est constituée de deux barres de base (2, 2') parallèles l'une à l'autre et de trois barres d'étrier (3, 3', 3") parallèles les unes aux autres, ou de trois barres de base (2, 2', 2") parallèles les unes aux autres et de deux barres d'étrier (3, 3') parallèles l'une à l'autre, en ce que lesdites barres d'étrier (3, 3', 3") ont chacune un écart l'une de l'autre qui correspond approximativement à l'épaisseur d'une barre de base (2), et en ce que lesdites barres de base (2, 2', 2") ont chacune un écart l'une de l'autre qui correspond approximativement à l'épaisseur d'une barre d'étrier (3).
  4. Structure de construction selon l'une des revendications 1 à 3, caractérisée en ce que les zones d'extrémité desdites barres de base (2, 2', 2") sont munies d'éléments d'ancrage (12).
  5. Structure de construction pour absorber des forces à l'intérieur de plaques bétonnées de fondement ou de plafond <au niveau> d'éléments de support, constituée d'une pluralité d'éléments d'armature (1) selon l'une des revendications 1 à 4, caractérisée en ce qu'au niveau d'un élément de support (13) dont la section a une largeur correspondant approximativement à la longueur, une pluralité d'éléments d'armature (1, 1') sont à même d'être insérés d'une manière croisée.
  6. Structure de construction selon la revendication 5, caractérisée en ce que lors d'une insertion de manière croisée, des éléments d'armature (1, 1') ayant deux hauteurs différentes sont à même d'être utilisés, de manière à ce que les éléments d'armature (1') de moindre hauteur sont susceptibles d'être poussés dans les éléments d'armature (1) de plus grande hauteur.
  7. Structure de construction selon la revendication 6, caractérisée en ce qu'au niveau d'éléments d'armature (1, 1') s'entrecroisant l'un l'autre, un élément tournant (20) est installé à au moins un croisement.
  8. Structure de construction pour absorber des forces à l'intérieur de planchers ou de plafonds bétonnés au niveau d'éléments de support, constituée d'une pluralité d'éléments d'armature (1) selon l'une des revendications 1 à 4, caractérisée en ce qu'au niveau d'un élément de support (13) dont la longueur est sensiblement plus grande que la largeur, une pluralité d'éléments d'armature (1) sont à même d'être insérés en étant alignés de façon parallèle les uns aux autres et transversalement par rapport à la direction longitudinale dudit élément de support (13).
EP20060126164 2006-12-14 2006-12-14 Elément d'armature pour l'absorption de forces dans des plaques de béton dans la zone d'éléments d'appui Active EP1932978B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES06126164T ES2389563T3 (es) 2006-12-14 2006-12-14 Elemento de armadura para la absorción de fuerzas en placas hormigonadas en el sector de elementos de apoyo
EP20060126164 EP1932978B1 (fr) 2006-12-14 2006-12-14 Elément d'armature pour l'absorption de forces dans des plaques de béton dans la zone d'éléments d'appui

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20060126164 EP1932978B1 (fr) 2006-12-14 2006-12-14 Elément d'armature pour l'absorption de forces dans des plaques de béton dans la zone d'éléments d'appui

Publications (2)

Publication Number Publication Date
EP1932978A1 EP1932978A1 (fr) 2008-06-18
EP1932978B1 true EP1932978B1 (fr) 2012-06-13

Family

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Family Applications (1)

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EP20060126164 Active EP1932978B1 (fr) 2006-12-14 2006-12-14 Elément d'armature pour l'absorption de forces dans des plaques de béton dans la zone d'éléments d'appui

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EP (1) EP1932978B1 (fr)
ES (1) ES2389563T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2143851B1 (fr) * 2008-07-09 2016-08-17 F.J. Aschwanden AG Elément d'armature pour l'absorption de forces dans les bords latéraux de plaques en béton aux alentours d'éléments d'appui
CH701682A1 (de) 2009-08-21 2011-02-28 Sybaco Ag Durchstanzbewehrung.
CH702392A2 (de) * 2009-12-03 2011-06-15 Fischer Rista Ag Bewehrungsvorrichtung.
EP3907342A1 (fr) 2020-05-07 2021-11-10 F.J. Aschwanden AG Élément de renfort et système de renfort pour l'absorption des forces dans des panneaux en béton

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1672887A (en) * 1927-01-18 1928-06-12 Gross Carl Truss
FR1221815A (fr) * 1959-01-14 1960-06-03 élément de construction préfabriqué à multiples usages
US3302360A (en) * 1963-01-09 1967-02-07 Bjerking Sven-Erik Method of reinforcing concrete floors and the like, and a reinforcing element therefor
BE819409A (fr) * 1973-06-13 1974-12-16 Poutre en treillis
CH688519A5 (de) 1994-06-24 1997-10-31 Fischer Reinach Ag Durchstanz-Bewehrung fuer gestuetzte Betondecken im Bereiche von deren Stuetzen sowie Verfahren zu deren Herstellung und Biegemaschine.
DE29808491U1 (de) * 1998-05-11 1999-09-23 Dausend, Hans-Werner, 42279 Wuppertal Bewehrungselement für Schubbewehrungen
SE9902722L (sv) * 1999-07-16 2000-12-04 Jacobsson & Widmark Ab Betongplattkonstruktion samt sätt att bygga en sådan konstruktion

Also Published As

Publication number Publication date
ES2389563T3 (es) 2012-10-29
EP1932978A1 (fr) 2008-06-18

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