EP0139798B1 - Plancher sec posé - Google Patents

Plancher sec posé Download PDF

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Publication number
EP0139798B1
EP0139798B1 EP83306564A EP83306564A EP0139798B1 EP 0139798 B1 EP0139798 B1 EP 0139798B1 EP 83306564 A EP83306564 A EP 83306564A EP 83306564 A EP83306564 A EP 83306564A EP 0139798 B1 EP0139798 B1 EP 0139798B1
Authority
EP
European Patent Office
Prior art keywords
beams
blocks
laid
floor
floor according
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.)
Expired
Application number
EP83306564A
Other languages
German (de)
English (en)
Other versions
EP0139798A1 (fr
Inventor
Ian Haugh Sparrow
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.)
Trent Jetfloor Ltd
Original Assignee
Trent Jetfloor Ltd
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 Trent Jetfloor Ltd filed Critical Trent Jetfloor Ltd
Priority to EP83306564A priority Critical patent/EP0139798B1/fr
Priority to DE8383306564T priority patent/DE3372997D1/de
Priority to AT83306564T priority patent/ATE28912T1/de
Publication of EP0139798A1 publication Critical patent/EP0139798A1/fr
Application granted granted Critical
Publication of EP0139798B1 publication Critical patent/EP0139798B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
    • E04B5/046—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement with beams placed with distance from another

Definitions

  • This invention relates to a dry-laid floor, i.e. a floor of the type in which wet concrete or the like is not used for the basic supporting structure, but components are laid in a preformed state.
  • Dry-laid floors have been known for centuries and it is still common practice to lay wooden boards across joists to form such a floor.
  • a reinforced concrete raft is often cast in situ on such beams by means of shuttering laid between the beams.
  • An example of a floor of this type is illustrated in GB-A-2 053 313.
  • Parallel beams of inverted-T shape are provided and panels are laid between the beams, supported on the flanges defined by the cross-piece of the "T".
  • Wet concrete is then laid on the panels and on the beams and allowed to set.
  • the ends of the panels adjacent the beams are bevelled to form a triangular section gap between each end of each panel and the adjacent upright wall of the corresponding beam. This gap fills with concrete to form concrete columns along the beams to support the concrete raft.
  • the panels, which form shuttering, are left in situ and are made of material with good heat insulating properties, foamed polystyrene being preferred.
  • the foamed polystyrene supports the unset concrete during construction of the floor, but has no supporting function in the completed floor.
  • the contribution to the art provided by FR-A-2 202 211 is the provision of flanges on the polystyrene panels to extend below the beams to insulate them.
  • GB-A-2 053 313 also insulates the beams from underneath by providing foamed polystyrene insulating members around the underside of the beams.
  • Foamed polystyrene is extensively used for insulating purposes in both dry-laid and wet-laid floors. It is always used purely for insulating purposes in the finished floor.
  • the present inventor has now made the surprising discovery that it is possible to use foamed polystyrene members for load-supporting purposes in a floor. This enables a dry-laid floor to be constructed without use of concrete slabs. The floor is, therefore, much lighter than conventional floors, much easier to lay and much cheaper and the supporting members also provide inherent excellent heat insulation properties.
  • the present invention provides a floor comprising parallel spaced beams, a multiplicity of foamed plastics blocks extending between the beams and having upper surfaces lying in a plane above the top surfaces of the beams, and an upper layer laid on the blocks and supported on the beams, characterised in that the blocks have portions which extend over the top surfaces of the beams to form a continuous layer over the beams and the upper layer is indirectly supported on the beams by means of the blocks.
  • the distance between block support surfaces of adjacent beams is, preferably, not more than 900 mm and, advantageously not more than 600 mm.
  • the depth of each block above the support surface is, preferably, not less than 80 mm and advantageously, not less than 100 mm.
  • the floor is shown to comprise parallel, spaced beams 11, only two being shown.
  • the particular beams shown are made of reinforced concrete and are basically of inverted T shape, with the bars of the T defining flanges 12.
  • Closed-cell foamed plastics blocks 13 are laid in alignment between the beams on the flanges 12, so as to bridge the gap between the beams. Each block 13 is a close fit between the beams.
  • the blocks have no reinforcing elements or reinforcing fillers.
  • Each block has opposite edge flange portions 14 which extend over part of the top of each beam 11.
  • other blocks 13a, 13b have flange portions 14a, 14b, which butt against the flange portion 14 to define a continuous planar upper surface.
  • Panels of wood 26 are laid on the blocks, with a thin plastics sheet between the wood and the blocks (not shown in Figure 1) to serve as a vapour check.
  • the distance between the flanges 12 is about 800 mm and the total width of each block, including the flange portions 14, about 900 mm.
  • the depth of each block is about 140 mm, with about 40 mm above the top level of the beams.
  • edge blocks 20 of foamed plastics may be used ( Figure 2).
  • the flanged portion 21, on one side, is extended to cover the whole of the end beam 11.
  • FIG. 3 An alternative arrangement is shown in Figure 3, where the flange portion is omitted at one side and the block 23 has a rebate 22 instead.
  • the rebate which effectively extends over the beam 11, may be filled with a foamed plastics panel (not shown).
  • Figure 4 shows an alternative, similar to the arrangement of Figure 1, but in which the block 30 extends to the bottoms of the beams 11. This defines a flat lower face 31, together with the bottoms of the beams, which may be finished to define a ceiling.
  • the blocks need not terminate flush with, or above the bottom surfaces of the beams, but may extend below the beams.
  • a concrete or other screed may be laid on the blocks.
  • the blocks of expanded foamed plastics are preferably composed of polystyrene, but other foamed plastics may be used, e.g. polyurethane.
  • the beams need not be flanged and may, for example consist of wood or steel, although prestressed or reinforced concrete is preferred.
  • Figure 6 shows an alternative embodiment comprising beams 111 without flanges and having top surfaces 112.
  • the blocks 113, 113a, and 113b, are laid on the top surfaces with their end faces substantially in contact to define a thick continuous foamed plastics layer over the beams.
  • An upper layer 126 is laid on the blocks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Building Environments (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Claims (9)

1. Plancher comportant des poutres parallèles espacées (11), une multiplicité de blocs en mousse de matière plastique (13, 13a, 13b) s'étendant entre les poutres et présentant des surfaces supérieures dans un plan situé au-dessus des surfaces supérieures des poutres, et une couche supérieure (26) posée sur les blocs et supportée par les poutres, caractérisé en ce que les blocs présentent des parties (14, 14a, 14b) qui s'étendent par dessus les surfaces supérieures des poutres pour former une couche continue sur les poutres, et en ce que la couche supérieure est supportée indirectement par les poutres au moyen des blocs.
2. Plancher selon la revendication 1, dans lequel les blocs sont constitués en mousse de polystyrène.
3. Plancher selon la revendication 1 ou 2, dans lequel la couche supérieure comporte des panneaux (26) posés sur les blocs (13, 13a, 13b).
4. Plancher selon la revendication 1, 2 ou 3, dans lequel les poutres (11) sont construites en béton armé ou préconstraint.
5. Plancher selon l'une quelconque des revendications précédentes, dans lequel les poutres comportent des bords au-dessous de leurs surfaces supérieures, les blocs reposant sur ces bords en présentant des parties de bordures supérieures (14, 14a, 14b) s'étendant par dessus la surface supérieure d'au moins l'une des poutres voisines (11) et constituées pour que les blocs forment une surface supérieure plane continue, sur laquelle repose la couche supérieure (26).
6. Plancher selon l'une quelconque des revendications précédentes, dans lequel la distance entre des bords voisins de poutres voisines ne dépasse pas 900 mm.
7. Plancher selon la revendication 5, dans lequel ladite distance ne dépasse pas 600 mm.
8. Plancher selon l'une quelconque des revendications précédentes, dans lequel l'épaisseur de chaque bloc au-dessus des bords n'est pas inférieure à 80 mm.
9. Plancher selon la revendication 7, dans lequel ladite épaisseur n'est inférieure à 100 mm.
EP83306564A 1983-10-28 1983-10-28 Plancher sec posé Expired EP0139798B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP83306564A EP0139798B1 (fr) 1983-10-28 1983-10-28 Plancher sec posé
DE8383306564T DE3372997D1 (en) 1983-10-28 1983-10-28 Dry-laid floors
AT83306564T ATE28912T1 (de) 1983-10-28 1983-10-28 Trockenverlegter fussboden.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83306564A EP0139798B1 (fr) 1983-10-28 1983-10-28 Plancher sec posé

Publications (2)

Publication Number Publication Date
EP0139798A1 EP0139798A1 (fr) 1985-05-08
EP0139798B1 true EP0139798B1 (fr) 1987-08-12

Family

ID=8191331

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83306564A Expired EP0139798B1 (fr) 1983-10-28 1983-10-28 Plancher sec posé

Country Status (3)

Country Link
EP (1) EP0139798B1 (fr)
AT (1) ATE28912T1 (fr)
DE (1) DE3372997D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2203463B (en) * 1987-04-14 1991-02-20 Carter Concrete Limited Floor constructions
FR2899612B1 (fr) * 2006-04-10 2009-11-27 Rector Lesage Procede de fabrication d'un plancher sec et plancher sec obtenu par ledit procede

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1057651A (fr) * 1951-06-13 1954-03-10 Brique de remplissage
FR1532424A (fr) * 1967-05-23 1968-07-12 Surgelation Ind Et Entrepots F Dalle thermo-isolante, notamment pour chambre froide
FR2160729A1 (fr) * 1971-11-24 1973-07-06 Bechade Alain
FR2173485A5 (en) * 1972-02-23 1973-10-05 Boyet Yves Plaster covered panels - with surface slots for keying the plaster to eg expanded polystyrene
FR2202211A1 (en) * 1972-10-06 1974-05-03 Isobox Sa Expanded polystyrene profile for flooring or ceiling infills - incorporating fixtures for supporting suspended cladding without overloading the profile

Also Published As

Publication number Publication date
ATE28912T1 (de) 1987-08-15
DE3372997D1 (en) 1987-09-17
EP0139798A1 (fr) 1985-05-08

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