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1. WO1991000400 - PREFABRICATED FLOOR SLAB

Publication Number WO/1991/000400
Publication Date 10.01.1991
International Application No. PCT/SE1990/000460
International Filing Date 27.06.1990
Chapter 2 Demand Filed 23.01.1991
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
E04B 5/38 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
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
36with form units as part of the floor
38with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
CPC
E04B 5/04
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
04with beams ; or slabs; of concrete or other stone-like material, e.g. asbestos cement
E04B 5/38
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
36with form units as part of the floor
38with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
E04G 21/142
EFIXED CONSTRUCTIONS
04BUILDING
GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
21Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
14Conveying or assembling building elements
142Means in or on the elements for connecting same to handling apparatus
Applicants
  • PREFATECH AB [SE/SE]; Västra Höjdvägen 8 S-191 43 Sollentuna, SE (AllExceptUS)
  • HOLM, Thure [SE/SE]; SE (UsOnly)
Inventors
  • HOLM, Thure; SE
Agents
  • NILSSON, Karl ; Stenhagen Patentbyrå AB P.O. Box 17709 S-118 93 Stockholm, SE
Priority Data
8902347-728.06.1989SE
Publication Language English (EN)
Filing Language Swedish (SV)
Designated States
Title
(EN) PREFABRICATED FLOOR SLAB
(FR) DALLE DE PLANCHER PREFABRIQUEE
Abstract
(EN)
The invention relates to a prefabricated, concrete flooring slab (1) provided with reinforcement steel (10), and after erection intended to be provided with a screed (4) or like concrete pouring. So that the finished structure shall function as a unit, from the loading aspect, shear forces from the poured concrete (4) must be effectively taken up by the slab (1). For this reason, the slab is provided with recesses (2) at opposing end portions on its upper side, such that when the slab is loaded they can take up shear forces coming from the poured concrete, these recesses being provided with arched reinforcing bars (5, 6) forming lifting eyes and extending up from the bottom of the recesses (2) to a height such that the intended poured concrete (4) will cover the lifting eyes.
(FR)
L'invention concerne une dalle de plancher en béton préfabriquée (1), comportant de l'acier de renforçage (10) et destinée, après construction, à être pourvue d'une chape (4) ou d'une couche de béton coulé analogue. Afin que la structure finie constitue une unité, du point de vue de la charge, les forces de cisaillement provenant du béton coulé (4) doivent être absorbées efficacement par ladite dalle (1). Pour cette raison, ladite dalle comporte des évidements (2) situés au niveau de parties terminales opposées se trouvant sur son côté supérieur, de sorte que lorsque ladite dalle est chargée, ils peuvent absorber les forces de cisaillement provenant du béton coulé, ces évidements comportant des barres de renforçage arquées (5, 6) formant des ÷illets de levage et s'étendant jusqu'à la partie inférieure desdits évidements (2) jusqu'à une hauteur donnée, de sorte que le béton coulé (4) couvre les ÷illets de levage.
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