EP1033454A2 - Elément de construction pour armature de cisaillement - Google Patents

Elément de construction pour armature de cisaillement Download PDF

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Publication number
EP1033454A2
EP1033454A2 EP00104056A EP00104056A EP1033454A2 EP 1033454 A2 EP1033454 A2 EP 1033454A2 EP 00104056 A EP00104056 A EP 00104056A EP 00104056 A EP00104056 A EP 00104056A EP 1033454 A2 EP1033454 A2 EP 1033454A2
Authority
EP
European Patent Office
Prior art keywords
reinforcement
connecting element
elements
spacer
component
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
Application number
EP00104056A
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German (de)
English (en)
Other versions
EP1033454A3 (fr
EP1033454B1 (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 EP1033454A2 publication Critical patent/EP1033454A2/fr
Publication of EP1033454A3 publication Critical patent/EP1033454A3/fr
Application granted granted Critical
Publication of EP1033454B1 publication Critical patent/EP1033454B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires

Definitions

  • the present invention relates to a component for shear reinforcement, especially for power transmission in the connection area of supports Reinforced components such as flat ceilings and floor slabs, consisting of a A plurality of reinforcement elements, preferably designed as double-headed anchors, which are arranged parallel and spaced apart are, and from a supporting the reinforcement elements or in mutual distance from each other and in addition to the Reinforcing elements provided connecting element.
  • Such shear reinforcement elements are in particular in two embodiments known; according to the first embodiment, this is usually connecting element called a spacer at the lower end the reinforcement elements arranged and provided with spacers, over which the shear reinforcement element on the lower concrete formwork for the component to be manufactured and reinforced is stored. Subsequently become the lower bending reinforcement for the component and then the upper bending reinforcement, taking care of each must that the reinforcement elements of the shear reinforcement and the bending reinforcement are arranged side by side without collisions.
  • the shear reinforcement element must also be placed at such a height that the top end of the reinforcement elements with the top bending reinforcement is aligned and the lower end of the reinforcement elements with the lower bending reinforcement; only in this way is the prescribed Receive power transmission between bending and shear reinforcement.
  • the second known embodiment of shear reinforcement is that the bending reinforcements are positioned first and then a shear reinforcement element in which the connecting element, ie the spacer bar is arranged on the top of the reinforcement elements is inserted from above through the two bending reinforcements so far until the spacer bar is placed on the upper bending reinforcement is to thereby comply with the prescribed alignment of the upper and lower reinforcement element ends.
  • both designs have the disadvantage that the spacer bar is common either at the bottom or at the top of the reinforcement elements and thus also arranged below and above the bending reinforcement is.
  • the bending reinforcement In order to be able to absorb the greatest possible moments of the component, the bending reinforcement as close as possible to the top or bottom Edge of the component until finally only the minimum concrete cover What remains is the edge area of the component that is at risk of corrosion and is only equipped with corrosion-resistant materials may be.
  • the Spacer bar adjacent bending reinforcement moved so far inwards until the spacer bar is outside the critical edge area runs. However, this reduces the distance between upper and lower bending reinforcement corresponding static usable height of the component, so that the component with regard to constant overall height its load capacity is impaired.
  • the present invention is based on the object to provide a component for shear reinforcement, the one Utilization of the full static usable height of the component enables.
  • connection element on the reinforcement elements between their upper and lower end in a between upper and lower bending reinforcement of the Component to be arranged section can be determined, and that on the connecting element at least indirectly spacer elements can be defined, the for supporting the shear reinforcement element on the lower component formwork serve.
  • shear reinforcement element according to the invention by positioning the connecting element between an increase in the upper and lower bending reinforcement allows static usable height, even though the connecting element outside the edge area of the component and the prescribed there Minimum concrete cover is arranged.
  • Connection element arranged or executed in almost any way so it doesn't have to be made of corrosion resistant material like Plastic or stainless steel are still as flat as possible, as it is in the prior art for the least possible impairment the load capacity is the case.
  • the almost arbitrary feasibility and positionability of the connecting element is particularly related to the fact that the connecting element does not have to take on static tasks, just has the function of connecting the connected reinforcement elements in the correct Position and keep the correct distance from each other.
  • the present shear reinforcement element differs in particular of the so-called shear reinforcement cages known in the prior art, made from a multitude of loop-shaped rods exist, which are connected to each other via horizontal connecting rods are.
  • spacer elements that can be fixed on the spacer bar
  • these can be easily adapted to the respective installation conditions align and have the appropriate length provided to ensure the exact Positioning of the reinforcement elements in relation to the bending reinforcement to ensure.
  • the spacer elements nailed to the lower component formwork around the shear reinforcement element sufficient stability when mounting the lower one and upper bending reinforcement.
  • the much larger distance of the spacer bar in the invention Use shear reinforcement element from the lower component formwork to to increase the footprint of the shear reinforcement element laterally and thereby improve the stability, for example by the spacer elements in one to the side of the reinforcement elements formed level extend. With such an enlarged and thus more stable footprint can be nailed to the Shear reinforcement element on the lower component formwork and thus the assembly process can be simplified.
  • Spacer elements are already known in the prior art which are used for Support of the shear reinforcement elements on the lower component formwork serve, however, these spacers are either under the lower end of the reinforcement elements, e.g. under the head of the double-headed anchor or under one under the lower bending reinforcement running service bar replacing the anchor heads.
  • the essential Advantage of the spacer elements fixed on the connecting element compared to the known embodiments is that the spacer elements from the higher position of the connecting element in comparison can continue to protrude laterally and hereby improve the stability of the shear reinforcement element and that on the other hand also the area below the reinforcement elements the concrete of the flat ceiling remains freely accessible and the spacing elements rather in one of the reinforcement elements and thus of a particularly important area for the transmission of thrust can be arranged.
  • connecting elements and reinforcement elements are to make them insoluble and to connect to one another by welding, for example then, however, no subsequent adjustment at the construction site the local conditions and installation conditions is possible.
  • the connecting element is detachable and in particular to enable a subsequent change in positioning Way - e.g. B. by clamps, wire loops or clamps / plug connections -
  • At least one reinforcement element expediently but can be fixed on all reinforcement elements.
  • This change in positioning can be in both horizontal and vertical Direction and be required; in the horizontal direction in particular to ensure that the respective reinforcement element of the bending reinforcement is horizontal can dodge, especially if the bending reinforcement there is a grid-shaped reinforcement mesh; in the vertical direction, for example then when the installation height of the shear reinforcement element should change after the bending reinforcement or also a shear reinforcement element is provided for different installation heights and should be designed to be individually adaptable to them.
  • this solvable provision should ensure that the chosen positioning is not due to self-weight or too light due to unintended external influences before filling the component can be changed with in-situ concrete.
  • the mentioned enlargement of the footprint of the shear reinforcement element can be achieved in an advantageous manner that the Connection element at least in a partial area compared to its essential Extension direction protrudes and in particular is bent horizontally or runs kinked; because this makes it possible for the connecting element with its section outside of the reinforcement elements arranged level and arrange in this area define associated spacer element, so that even with a vertical Positioning this spacer a the stability of the Shear reinforcement element increasing distance between the above Reinforcement element level and the spacer allows becomes.
  • connecting element there is also an angled course of the connecting element also possible in the vertical or oblique direction, for example by already through the connecting element a part of a spacer to provide or so that the connecting element in this vertical or inclined section itself as part of the spacer acts.
  • this can be, for example consist of an approximately U-shaped projection, which is arranged, for example, in the area between two reinforcement elements is and also in this area above the to the U-legs subsequent areas its function of the connecting element Fulfills.
  • a separate horizontal fixable on the connecting element Angling is provided, either to define a spacer serves or even as a spacer or part can be formed by this.
  • the spacer from at least two, but in particular of three parallel rod sections running parallel to each other there is that above and below the connecting element run and thereby grasp the connecting element and freely horizontally pivoted or slidably attached to the connecting element are that in the region of the ends of the rod sections each have a particular vertically downward extending rod section is provided, for example from an angle of one of the horizontal bar sections exists and the one to be erected on the concrete formwork at its lower end corrosion-resistant plastic foot.
  • the horizontal Bar sections form together with that provided at each end vertical rod section a support bracket that is almost arbitrarily in the horizontal direction can be moved to move the lower bending reinforcement to be able to avoid when mounting.
  • the horizontal mobility of the Support block or the spacer element formed by it is only through the fixing positions of the connecting rod on the reinforcement elements and the length of the horizontal bar sections limited.
  • the connecting element expediently consists of two in parallel adjacent bars, with the space between the reinforcement elements are fixed to the two bars. Act these two rods of the connecting element with said three horizontal Rod sections of the support block together, results in hereby a fixed predetermined vertical extent of the support frame or spacer; d. H. the spacer always has the same Orientation in the vertical direction while only the horizontal Orientation can be changed in the manner described above can.
  • plastic feet mentioned above, on the underside of the trestle are arranged and to support the trestle and thus can serve the entire shear reinforcement on the concrete formwork simple way from plastic pins provided on their top
  • sleeves for plugging onto the vertical rod section are sleeves for plugging onto the vertical rod section.
  • plastic feet ensure that the almost punctiform base of such a plastic foot for a secure stand of the whole Shear reinforcement element is sufficient if with a shear reinforcement element at least two trestles and therefore a total of four Plastic feet are provided.
  • FIGS. 1 and 2 show a component 1 in the form of a flat ceiling, that a lower grid-shaped bending reinforcement 2 and an upper grid-shaped Bending reinforcement 3.
  • a component 1 in the form of a flat ceiling, that a lower grid-shaped bending reinforcement 2 and an upper grid-shaped Bending reinforcement 3.
  • an inventive Shear reinforcement element 5 arranged in the component such that as Double-headed anchor trained reinforcement elements 6 in the vertical Component extending between the upper and lower bending reinforcement are positioned, in the present case three reinforcement elements 6 summarized via a connecting element 7 to the shear reinforcement element 5 are.
  • the connecting element 7, which is usually referred to as a spacer bar is carried out in the form of a double rod, the two rods in each case apply the double-headed anchors 6 on opposite sides and thereby a clamp connection between the connecting element and Allow reinforcement element through which both are mutually displaceable are set.
  • a reason for such a displaceability is shown in FIG to recognize, namely the lower bending reinforcement 2, the reinforcement elements 6 must dodge to ensure proper installation to allow what the upper ends of the reinforcement elements with the upper bending reinforcement and the lower ends of the reinforcement elements have to align with the lower bending reinforcement. Only by one such an aligned arrangement is that of the flat ceiling on the support or vice versa exerted force in the sense of a framework model of the Support directed away to the outside and there over the greater distance from the support intercepted.
  • the shear reinforcement element 5 must not only be in the collision-free Horizontal position compared to the bending reinforcement, but also in the correct vertical or height position, what about four spacers 8 is ensured, which on the connecting element 7th can be determined.
  • the spacer elements are in the embodiment Figures 1 and 2 slidably attached to the connecting element, to be able to avoid the lower bending reinforcement. Also are the spacers in horizontally projecting portions 7a of the Connection element arranged through which the footprint of Shear reinforcement element or the four spacer elements essential can enlarge compared to an arrangement of the spacers in the plane formed by the three reinforcement elements.
  • This horizontally projecting sections 7a of the connecting element are as double rods formed with a U-shaped course, the two U-legs act on the spacer 8 on both sides and its displaceable Allow arrangement towards the U-legs parallel direction.
  • the spacer elements 8 have the spacing of the two U-legs appropriately trained sub-area on the above and sub-areas located underneath with a larger cross-section are limited is a captive but displaceable fixing of the spacer elements to allow on the connecting element. Also are the spacers at their lower end made of corrosion-resistant or corrosion-free material and, for example, made of plastic, because this lower area in the edge area at risk of corrosion the component 1 is arranged.
  • FIG. 2 shows the extension that acts as an installation aid of the connecting element 7 indicated in the direction of the support, through which the minimum distance between that seen from the prop first reinforcement element 6 and the column are taken into account can.
  • an alternative shear reinforcement element 15 from Figures 3 and 4 differs from the embodiment of the shear reinforcement element 5 from Figure 1 or 2 characterized in that the horizontally projecting sections 17a of the connecting element 17 not in one piece with the remaining partial areas of the connecting element 17 connected, but pivotable on the connecting element 17 are defined and thereby avoiding not only perpendicular to plane formed by the reinforcement elements 16, but also transversely allow for this, as indicated by the arrows in Figure 4.
  • This pivotable connection is achieved by a screw connection 19, which can be easily provided by that two large washers with a screw-nut connection cooperate and so the horizontally projecting portion 17a, so the pivotable bend, and the remaining part of the connecting element 17 define one above the other.
  • shear reinforcement elements 5 and 15 correspond, whereby also the reinforcement elements 16 and the spacer elements 18 den correspond to the respective components from FIGS. 1 and 2.
  • FIG. 5 shows a shear reinforcement element 21 with double-headed anchors 22 and a connecting element 23 designed as a flat steel, which is permanently welded to the double-headed anchor and cooperates with a spacer element 24 which increases the Stability is approximately in the form of an inverted U.
  • the Connection between connecting element and spacer element is made via a groove connection with a side stop surface.
  • a shear reinforcement element 25 is designed in a similar manner, the U-shaped element here Spacer 26 with one of two arranged one above the other and each connecting element fixed to the double-headed anchor 27 28 interacts. Apply the two rods of the connecting element a laterally projecting guide area of the spacer and thereby place the spacer in a form-fitting manner, but slidably in the horizontal direction on the connecting element.
  • FIGS 10 to 12 show a shear reinforcement element according to the invention 51, but not yet installed, so without bending reinforcement or flat ceiling.
  • the shear reinforcement element 51 has three reinforcement elements 52 in the form of double-headed anchors, and one Connecting element 53, which consists of two parallel to each other Bars 53a, 53b, which on the three double-headed anchors 52 on each opposite sides are fixed and thereby hold the three double-headed anchors between them.
  • On the connecting element 53 are two spacer elements 54 horizontally displaceable and pivotable fixed and consist of a support block 54a and plastic spacers 54b.
  • the support bracket 54a in turn is made of two below the connecting element horizontally extending rod sections 54c, 54d and one running above the connecting element 53 and with the two horizontal bar sections 54c, 54d at their other Ends fixed U-bracket 54e assembled such that in the space between the upper base of the U-bracket and the two horizontal ones Rod sections the two rods of the connecting element run and thereby the displacement and pivoting of the spacer 54 allow in the horizontal direction, but a shift or pivoting in the vertical direction or a tilting movement of the spacer element prevent.
  • the U-bracket 54e has two starting from its upper horizontal U-base vertically downward U-legs, on which the out Plastic existing spacers 54b are defined as the feet of the entire spacer and the area susceptible to corrosion cross the prescribed minimum concrete cover.
  • plastic spacers 54b in simpler Be placed on the U-legs of the support bracket 54a can, it is just as easy to attach these spacers to the respective Adapt the installation conditions and, for example, when changes are made Distance between lower component formwork and lower bending reinforcement to be replaced by spacers with a correspondingly adjusted height.
  • the present invention offers the advantage of one of the Approval by the building authorities for the installation of a shear reinforcement element to allow, with the shear reinforcement element above in terms of its horizontal and vertical positioning very flexible compared to the component or its bending reinforcement can be, where also the shear reinforcement element on the spacer elements supporting the lower component reinforcement due to their Interchangeability ensure that a shear reinforcement element at different Installation conditions can be used.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Bridges Or Land Bridges (AREA)
EP00104056A 1999-03-02 2000-02-28 Elément de construction pour armature de cisaillement Expired - Lifetime EP1033454B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29903737U DE29903737U1 (de) 1999-03-02 1999-03-02 Bauelement zur Schubbewehrung
DE29903737U 1999-03-02

Publications (3)

Publication Number Publication Date
EP1033454A2 true EP1033454A2 (fr) 2000-09-06
EP1033454A3 EP1033454A3 (fr) 2000-11-08
EP1033454B1 EP1033454B1 (fr) 2003-09-10

Family

ID=8070183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00104056A Expired - Lifetime EP1033454B1 (fr) 1999-03-02 2000-02-28 Elément de construction pour armature de cisaillement

Country Status (3)

Country Link
EP (1) EP1033454B1 (fr)
AT (1) ATE249558T1 (fr)
DE (2) DE29903737U1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1630315A1 (fr) * 2004-08-21 2006-03-01 Schöck Bauteile GmbH Élément de construction pour armature de cisaillement et de poinconnement
EP1703035A1 (fr) * 2005-02-16 2006-09-20 SCHÖCK BAUTEILE GmbH Élément de construction pour armature de cisaillement et de poinçonnement
EP1703036A1 (fr) * 2005-02-25 2006-09-20 SCHÖCK BAUTEILE GmbH Élément de construction pour armature de cisaillement et de poinçonnement
DE202009004312U1 (de) 2009-03-26 2009-06-25 Spritz-Plast Gmbh Bauelemente für die Durchstanzbewehrung
EP2290167A1 (fr) 2009-08-21 2011-03-02 Sybaco AG Armature de poinçonnement
US20120023858A1 (en) * 2009-04-03 2012-02-02 Jae Ho Lee Truss-type shear reinforcement material having double anchorage functions at both top and bottom thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011030178A1 (fr) * 2009-09-08 2011-03-17 Gutzwiller Holding Ag Élément d'armature pour éléments encastrés dans des constructions en béton

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7118881U (de) * 1971-05-14 1971-08-05 Wochner A Verbindungselement für Betonarmierun gen
FR2112508A1 (fr) * 1970-11-06 1972-06-16 Avi Alpenlaendische Vered
FR2370140A1 (fr) * 1976-11-09 1978-06-02 Sibel Ste Fse Dispositif pour la construction de planchers en beton arme a nervure sur semelles de bois et entrevous
DE8707135U1 (fr) * 1987-05-18 1987-08-13 Boellinghaus, Rainer, Dipl.-Ing., 5885 Schalksmuehle, De
DE3714685A1 (de) * 1986-12-22 1988-06-30 Paul Couwenbergs Abstandshalter fuer armierungen
AU581123B2 (en) * 1986-05-22 1989-02-09 Neumann Steel Pty Limited Reinforcing for concrete structures
DE29609190U1 (de) * 1996-05-22 1996-08-14 Frisch Hans Schubbewehrung im Stützenbereich
DE29615755U1 (de) * 1996-01-10 1996-12-05 Bam Ag Verankerungselement für Stahlbetonbauten
DE29812676U1 (de) * 1997-09-09 1998-12-03 Deha Ankersysteme Dübelleiste für Schubbewehrungen
GB2328455A (en) * 1996-08-21 1999-02-24 Jubin Motamed Concrete slab shear reinforcement

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2112508A1 (fr) * 1970-11-06 1972-06-16 Avi Alpenlaendische Vered
DE7118881U (de) * 1971-05-14 1971-08-05 Wochner A Verbindungselement für Betonarmierun gen
FR2370140A1 (fr) * 1976-11-09 1978-06-02 Sibel Ste Fse Dispositif pour la construction de planchers en beton arme a nervure sur semelles de bois et entrevous
AU581123B2 (en) * 1986-05-22 1989-02-09 Neumann Steel Pty Limited Reinforcing for concrete structures
DE3714685A1 (de) * 1986-12-22 1988-06-30 Paul Couwenbergs Abstandshalter fuer armierungen
DE8707135U1 (fr) * 1987-05-18 1987-08-13 Boellinghaus, Rainer, Dipl.-Ing., 5885 Schalksmuehle, De
DE29615755U1 (de) * 1996-01-10 1996-12-05 Bam Ag Verankerungselement für Stahlbetonbauten
DE29609190U1 (de) * 1996-05-22 1996-08-14 Frisch Hans Schubbewehrung im Stützenbereich
GB2328455A (en) * 1996-08-21 1999-02-24 Jubin Motamed Concrete slab shear reinforcement
DE29812676U1 (de) * 1997-09-09 1998-12-03 Deha Ankersysteme Dübelleiste für Schubbewehrungen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1630315A1 (fr) * 2004-08-21 2006-03-01 Schöck Bauteile GmbH Élément de construction pour armature de cisaillement et de poinconnement
EP1703035A1 (fr) * 2005-02-16 2006-09-20 SCHÖCK BAUTEILE GmbH Élément de construction pour armature de cisaillement et de poinçonnement
EP1703036A1 (fr) * 2005-02-25 2006-09-20 SCHÖCK BAUTEILE GmbH Élément de construction pour armature de cisaillement et de poinçonnement
DE202009004312U1 (de) 2009-03-26 2009-06-25 Spritz-Plast Gmbh Bauelemente für die Durchstanzbewehrung
US20120023858A1 (en) * 2009-04-03 2012-02-02 Jae Ho Lee Truss-type shear reinforcement material having double anchorage functions at both top and bottom thereof
EP2290167A1 (fr) 2009-08-21 2011-03-02 Sybaco AG Armature de poinçonnement

Also Published As

Publication number Publication date
ATE249558T1 (de) 2003-09-15
DE29903737U1 (de) 1999-08-12
EP1033454A3 (fr) 2000-11-08
DE50003599D1 (de) 2003-10-16
EP1033454B1 (fr) 2003-09-10

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