EP2166174A1 - Dispositif pour la transmission de force transversale - Google Patents

Dispositif pour la transmission de force transversale Download PDF

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Publication number
EP2166174A1
EP2166174A1 EP09011343A EP09011343A EP2166174A1 EP 2166174 A1 EP2166174 A1 EP 2166174A1 EP 09011343 A EP09011343 A EP 09011343A EP 09011343 A EP09011343 A EP 09011343A EP 2166174 A1 EP2166174 A1 EP 2166174A1
Authority
EP
European Patent Office
Prior art keywords
component
transverse force
elements
separating
separating elements
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.)
Withdrawn
Application number
EP09011343A
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German (de)
English (en)
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 EP2166174A1 publication Critical patent/EP2166174A1/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts

Definitions

  • the invention relates to a device for transverse force transmission in the joint area of wall and floor or ceiling components, especially in existing concrete elements of several individual adjacent fields for transverse force transmission between the adjacent fields, with a plurality of joint area bridging transverse force reinforcement elements.
  • floor or ceiling components made of concrete expansion joints are usually provided to prevent stress cracks during setting or due to temperature or moisture-related expansions (or shrinkage behavior) of the concrete.
  • These expansion joints may not only be limited to the concrete component, but must also extend in attached to the concrete component materials such as floor coverings, plaster and the like, so that these materials do not hinder the function of the expansion joint. Even if it is the desire of many architects to produce large-area components with the most even impression and without visible expansion joints, so this fails regularly on the requirement that such large-scale components must have expansion joints at regular intervals when producing concrete, the overall visual impression of such Dominate component or at least impair.
  • the present invention has the object to provide a device for transverse force transmission of the type mentioned above, which makes it possible to change the visual impression of expansion joints to the extent that the expansion joints are almost invisible.
  • transverse force reinforcement elements consist of multiple angled transverse force bars and extend in mutually parallel and oriented substantially perpendicular to the joint plane levels, and that the device for transverse force transmission also has a plurality of area separating elements extending in planes parallel to one another and oriented substantially perpendicular to the transverse force reinforcement element planes.
  • the transverse force reinforcing elements ensure in the known manner that the wall, floor or ceiling component is stably formed in the joint area and stresses occurring in spite of the expansion joint can be transmitted via the transverse force reinforcing elements
  • the separating elements serve to form a deliberate parting line in the interior to provide the component and thus to weaken the cross section of the component on the inside.
  • the separating elements are dimensioned such that the joints in the near-surface edge region of the component pass into the Sollrissfugen.
  • the separating elements will extend over a substantial cross-sectional area of the components in order not to hinder the stresses and strains to be absorbed by the remaining weakened cross-section of the component.
  • the separating elements and the transverse force reinforcing elements are positioned relative to one another in such a way that the transverse force reinforcing elements can traverse or at least assist the setpoint crack joints that occur, in order to avoid over-opening of the predetermined tear joint.
  • the separating elements bear against the transverse force reinforcing elements at least in partial area; In this area, thus, the parting line is formed, which then ensures that the outgoing of the parting line Sollrissfuge is at least adjacent to the voltage applied to the respective separating element transverse force reinforcement element.
  • the separating elements are oriented at least in some areas inclined to the surface of the component and in this case they rest in particular on the equally inclined portions of the lattice girder similarly designed multi-angled transverse force reinforcement elements.
  • Such an inclined orientation of the separating elements at an angle of, for example, on the order of 60 ° to the component top ensures ideally that the abutting in the region of the separating elements or the parting line portions of the component both movements towards each other (due to expansions) than Movements away from each other (due to shrinkage or shrinkage) can perform without that each other component to affect these movements too strong; because during the movements towards each other, the subregions of the component along the oblique plane of the joint can to some extent dodge each other by gliding along the oblique surface of the joint elements.
  • separating elements In order to replace a conventional expansion joint, a larger number of separating elements must be provided in the joint area, wherein at least three separating elements, but expediently more than four separating elements should be provided.
  • a concrete component 1 is shown in the form of a concrete ceiling slab, which is traversed by an extending in the cutting plane multi-angled transverse force reinforcement element 2.
  • the transverse force reinforcement element 2 extends like a lattice girder zigzag through the component 1, but leaves each a near-surface edge region 3, 4 of the concrete component, which has no reinforcement or no lateral force reinforcement element.
  • a plurality of similar transverse force reinforcement elements 2 are provided parallel to one another in a plane perpendicular to the component plane and fixed to one another via distributor rods 5, 6, as is also the case, for example FIG. 2 is apparent.
  • These dividing elements 7 extend along the joint area parallel to the distributor bars 5, 6 and thus form a parting line 8 in that the concrete material of the component 1 can lift off from these dividing elements 7. If stresses occur in the region of the separating elements, then the concrete region 1a adjacent to the one side of the separating elements 7 can move relative to the concrete region 1b resting against the opposite side of the separating elements 7, in particular lift off or move. As a result, the concrete in the region of this parting line 8 "breathe" and take over the function of an expansion joint to a reduced extent.
  • the regions 1a, 1b move towards each other and, due to the inclined orientation of the separators 7, can slide along one another and thus dodge each other.
  • the separating elements can absorb even strains nondestructively and must - in contrast to conventional expansion joints, which must have a rather large sized minimum distance for such cases - intercept expansions that the two component areas along the inclined surface can be pushed past each other.
  • the joints 8 in the near-surface edge region 3, 4 go over in Sollrissfugen 9, which, starting from the lateral force transmission elements 2 to the surface 1c, 1d of the concrete component extend.
  • Sollrissfugen 9 provide the required flexibility of the concrete component in the near-surface edge region.
  • the predetermined separation joints 9 adjoin the transverse force reinforcement elements 2, which hold the concrete component in the area of these Sollrissfugen and prevent too large opening of this Sollrissfugen.
  • Sollrissfugen 9 are also visible on the surface 1c, 1d of the concrete component 1, but since they have a 0 going gap or crack width, they are barely perceptible, even if several such Sollrissfugen run parallel to each other.
  • the present invention makes it possible to produce large-area components without expansion joints by providing a cross-section weakening by inserting separating elements inside the component and by breaking the predetermined cracks in the weakened residual material area of the component by the existing transverse force reinforcement be intercepted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
EP09011343A 2008-09-17 2009-09-03 Dispositif pour la transmission de force transversale Withdrawn EP2166174A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200820012349 DE202008012349U1 (de) 2008-09-17 2008-09-17 Vorrichtung zur Querkraftübertragung

Publications (1)

Publication Number Publication Date
EP2166174A1 true EP2166174A1 (fr) 2010-03-24

Family

ID=40076494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09011343A Withdrawn EP2166174A1 (fr) 2008-09-17 2009-09-03 Dispositif pour la transmission de force transversale

Country Status (2)

Country Link
EP (1) EP2166174A1 (fr)
DE (1) DE202008012349U1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB404771A (en) * 1932-10-06 1934-01-25 Joah Haigh Walker Improvements in or in connection with concrete structures
DE1301886B (de) * 1967-09-19 1969-08-28 Werner Lutz Fa Verfahren zum Herstellen von Betonbewehrungsmatten mit Laengsstaeben in zwei Ebenen und nach dem Verfahren hergestellte Bewehrung
GB1319838A (en) * 1970-05-12 1973-06-13 Anvar Frame work for use in constructing a structural element from concrete
EP0499816A1 (fr) * 1991-02-20 1992-08-26 Yasuhiro Mori Plaque d'étanchéité moulée pour des structures en béton
EP0848119A1 (fr) * 1996-12-16 1998-06-17 SCHÖCK BAUTEILE GmbH Raccordement d'armature
DE202007002868U1 (de) * 2007-02-27 2007-07-12 Fwr Solutions Gmbh Halterung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB404771A (en) * 1932-10-06 1934-01-25 Joah Haigh Walker Improvements in or in connection with concrete structures
DE1301886B (de) * 1967-09-19 1969-08-28 Werner Lutz Fa Verfahren zum Herstellen von Betonbewehrungsmatten mit Laengsstaeben in zwei Ebenen und nach dem Verfahren hergestellte Bewehrung
GB1319838A (en) * 1970-05-12 1973-06-13 Anvar Frame work for use in constructing a structural element from concrete
EP0499816A1 (fr) * 1991-02-20 1992-08-26 Yasuhiro Mori Plaque d'étanchéité moulée pour des structures en béton
EP0848119A1 (fr) * 1996-12-16 1998-06-17 SCHÖCK BAUTEILE GmbH Raccordement d'armature
DE202007002868U1 (de) * 2007-02-27 2007-07-12 Fwr Solutions Gmbh Halterung

Also Published As

Publication number Publication date
DE202008012349U1 (de) 2008-11-27

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