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1. WO2010057322 - PRESTRESSED SLAB ELEMENT

Publication Number WO/2010/057322
Publication Date 27.05.2010
International Application No. PCT/CH2009/000342
International Filing Date 26.10.2009
Chapter 2 Demand Filed 13.09.2010
IPC
E04B 5/02 2006.01
EFIXED CONSTRUCTIONS
04BUILDING
BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
5Floors; Floor construction with regard to insulation; Connections specially adapted therefor
02Load-carrying floor structures formed substantially of prefabricated units
CPC
E04B 5/02
EFIXED CONSTRUCTIONS
04BUILDING
BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
5Floors; Floor construction with regard to insulation; Connections specially adapted therefor
02Load-carrying floor structures formed substantially of prefabricated units
E04B 5/328
EFIXED CONSTRUCTIONS
04BUILDING
BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
5Floors; Floor construction with regard to insulation; Connections specially adapted therefor
16Load-carrying floor structures wholly or partly cast or similarly formed in situ
32Floor structures wholly cast in situ with or without form units or reinforcements
326with hollow filling elements
328the filling elements being spherical
Applicants
  • COBIAX TECHNOLOGIES AG [CH]/[CH] (AllExceptUS)
  • STÜCKLIN, Michael [CH]/[CH] (UsOnly)
  • KRECOV, Dejan [HR]/[CH] (UsOnly)
Inventors
  • STÜCKLIN, Michael
  • KRECOV, Dejan
Agents
  • R. A. EGLI & CO
Priority Data
08405282.819.11.2008EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PRESTRESSED SLAB ELEMENT
(FR) DALLE PRÉCONTRAINTE
Abstract
(EN)
The invention relates to a prestressed slab element (10), in particular a concrete slab element, manufactured according to the in-situ concrete method or prefabricated in a concrete precasting plant which in top view of its surface (11) comprises at least one hollow element region (20) with hollow elements (21) contained therein and at least one support region (30) for supporting or holding the slab element (10) without hollow elements (21), as well as stressing elements (40) for reinforcing the slab element (10), which each are installed through the slab element (10) and form a lattice-shaped structure (50), wherein individual fields (51) of this structure (50) establish a support or hollow element region (20, 30), and laterally adjoining fields (51) of the lattice-shaped structure (50) form at least one longish support strip (60) which joins individual support regions (30) with one another and which is embodied in a reinforced manner, characterized by stressing elements (40), which in a lateral view of the slab element (10) are installed in the slab element (10) wave-like and which support themselves on at least one lattice system (90) of bars (91) with hollow elements (21) held therein whose respective height is adapted to the wave shape.
(FR)
L'invention concerne une dalle précontrainte (10), en particulier une dalle de béton, fabriquée selon le procédé de fabrication de béton in situ ou préfabriquée dans une installation de préfabrication du béton. Ladite dalle, en coupe horizontale de sa surface (11), comporte au moins une région d'élément creux (20) contenant des éléments creux (21) et au moins une région de support (30) sans élément creux (21) pour porter ou soutenir la dalle (10), ainsi que des éléments de contrainte (40), pour renforcer la dalle (10), qui sont installés au travers de la dalle (10) pour former une structure en forme de treillis (50), des zones individuelles (51) de cette structure (51) établissant un support ou une région d'éléments creux (20, 30), et des zones latéralement adjacentes (51) de la structure en forme de treillis (50) formant au moins une bande de support assez longue (60) qui réunit les régions de support individuelles (30) les unes aux autres et qui est créée d'une manière renforcée. Ladite dalle est caractérisée par des éléments de contrainte (40) qui, en vue latérale de la dalle (10), sont installés dans la dalle (10) sous une forme ondulée et qui se portent eux-mêmes sur au moins un système en treillis (90) de barres (91) avec des éléments creux (21) maintenus à l'intérieur, et dont la hauteur respective est adaptée à la forme de l'ondulation.
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