EP1233116A1 - Elément structurel permettant l'installation de plafonds suspendus en plâtre sous une dalle de plancher - Google Patents

Elément structurel permettant l'installation de plafonds suspendus en plâtre sous une dalle de plancher Download PDF

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Publication number
EP1233116A1
EP1233116A1 EP01830105A EP01830105A EP1233116A1 EP 1233116 A1 EP1233116 A1 EP 1233116A1 EP 01830105 A EP01830105 A EP 01830105A EP 01830105 A EP01830105 A EP 01830105A EP 1233116 A1 EP1233116 A1 EP 1233116A1
Authority
EP
European Patent Office
Prior art keywords
sheet section
concrete
layer
structural element
light material
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Withdrawn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
EP01830105A
Other languages
German (de)
English (en)
Inventor
Pietro Sacco
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP01830105A priority Critical patent/EP1233116A1/fr
Priority to EP02702585A priority patent/EP1362148B1/fr
Priority to AT02702585T priority patent/ATE544918T1/de
Priority to PCT/IB2002/000481 priority patent/WO2002066761A1/fr
Publication of EP1233116A1 publication Critical patent/EP1233116A1/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Withdrawn legal-status Critical Current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
    • E04C5/065—Light-weight girders, e.g. with precast parts
    • E04C5/0653—Light-weight girders, e.g. with precast parts with precast parts
    • E04C5/0656—Light-weight girders, e.g. with precast parts with precast parts with lost formwork
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4171—Nailable or non-threaded screwable elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/18—Means for suspending the supporting construction
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures

Definitions

  • the present invention relates to the field of constructions and more precisely it refers to a structural element such as a ceiling beam in pre-stressed concrete, a "girder" or the like for making floors, suitable for application of plaster suspended ceilings.
  • a structural element such as a ceiling beam in pre-stressed concrete, a "girder” or the like for making floors, suitable for application of plaster suspended ceilings.
  • floors to which the invention is related to are comprised flat floors both walkable and not, peaked roofs, floors of roof gardens, shed roofs.
  • the plaster suspended ceilings require metallic frameworks to which plaster covered boards are connected by means of self tapping screws.
  • the frameworks are in turn screwed to the floors by means of screw anchors.
  • metallic frameworks for supporting plaster suspended ceilings are difficult to arrange metallic frameworks for supporting plaster suspended ceilings.
  • vapour barrier An important aspect of the construction of floors is the so called “vapour barrier", i.e. an insulation from humidity and vapour in gaseous phase that can give condensate water.
  • the vapour barrier should be made at the lowermost surface of the floor.
  • the vapour barrier is made over the upper level of the floor, leaving not protected all the layer of the floor. This fact involves high costs in creating the insulating pack of the floor.
  • the vapour barrier normally is a sheet of aluminium integrated to a waterproof membrane.
  • a typical floor then, starting from the above towards below has a concrete casting with pavement, a waterproof membrane, an heat insulation, the vapour barrier by means of membrane with a sheet of aluminium, a primer, a reinforced concrete and hollow tiles mixed floor, and, at the lowermost surface, a plaster coating.
  • a structural element has a concrete casting with a lower flat face in which a layer is integrated that can be perforated by screws capable of making easier the installation and of supporting the weight of plaster suspended ceilings.
  • the layer that can be perforated by screws can be advantageously formed by a sheet section in which a layer is present of light material that is set between the concrete and the sheet section, directly contacting the concrete casting.
  • the light material can be chosen among foam polystyrene, cellular polyurethane, wood, etc.
  • the layer that can be perforated by screws can be integrated to the concrete at casting the concrete.
  • the layer that can be perforated can be connected to the casting by means of screws or riveting after the casting, through brackets embedded in the casting same.
  • the light material can, in this second case, be integrated at the moment of the casting or at the moment of the fastening of the sheet section to the casting.
  • the sheet section, filled with the layer of light material, at the moment of installing the structural element is oriented towards below integrated in the floor or roof and allows thus the easy application of the screws, which cross both the plaster suspended ceilings and the sheet section and can penetrate all the layer of light material without forcing against the concrete. This way, a plaster suspended ceiling can be made directly connected to the lower face of the floor.
  • the concrete casting can be made with free or pre-stressed reinforcement bars, in order to obtain in the first case a girder for building industry and in the second case a concrete pre-stressed beam.
  • a method for the production of a structural element for making floors has the characteristic that it comprises the following steps:
  • the light material can, in this second case, be preferably integrated at the moment of the casting, arranged between the brackets. Alternatively, it can be connected at the moment of fastening the sheet section to the casting.
  • the length of the sheet section can in a first case extend for all the length of the structural element.
  • the sheet section has the lower flat face that covers all the bottom face of the concrete casting, whereby the lower face of the structural element is completely a sheet section.
  • a plurality of portions of said sheet section arranged is provided aligned longitudinally, spaced and centred transversally.
  • the width of the portions can be also less than the width of the casting, whereby the lower face of the structural element is made of concrete with at the centre a row of spaced portions of sheet section. It is also possible that the sheet section is continuous instead of discontinuous and of width less than the girder.
  • the sheet section is U-shaped.
  • the light material lays, in such a way that the wings of the sheet section protrude from the layer of said light material.
  • the protruding wings allow to the whole support, consisting in the sheet section and in the polystyrene foam layer, of being connected by means of screws directly to the wall side of the beam.
  • the protruding wings offer a steadier fastening to the concrete.
  • the plaster suspended ceilings are screwed to the sheet section.
  • the screws penetrate directly through the plaster board and through the surface of the sheet section into the light material in it contained.
  • floors made with concrete beams according to the invention allow a quick installation of the plaster suspended ceilings.
  • the plaster covered boards are directly connected to the beams of the floor in a steady way and adhere directly to the floor lower surface. With such an installation the working costs mainly given to the installation of a metal framework are eliminated.
  • plaster suspended ceilings are to be replace or removed, it is sufficient to release the plaster covered boards from the floor lower surface, without affecting further the ceiling beam.
  • a further advantage is that of providing a vapour barrier near the lower level of the floor.
  • plaster suspended ceilings may be used equipped with a sheet in aluminium.
  • the girder according to the invention pierceable by the screws, it is possible to bolt it directly to the principal steel structures of the building, such as for example to the steel beams, or it can be connected by epoxy resins.
  • the lower parts of the sheet section can be coated of a insulating layer, for example, but not exclusively, adhesive layer of cellular polyethylene with a layer of some mm.
  • a structural element 1 according to the invention is used for making a floor 2 of known type in combination with hollow tiles 3.
  • a hollow tile 3 resting on two structural elements 1.
  • the structural element of figure 1 is normally defined as "girder”
  • the structural element of figure 2 is normally defined as "ceiling beam” in pre-stressed concrete.
  • each structural element 1 consists in a reinforcement 4 and by a sheet section 5, embedded in a concrete casting 6.
  • the sheet section 5 is filled with a layer of light material 8 that is set between the concrete 6 and the sheet section 5 and is oriented in use towards below of the floor for application of plaster suspended ceilings 9 (figure 2).
  • the plaster suspended ceilings 9 are easily screwed to the structural elements 1. More precisely, the screws 10 cross in turn the plaster board 9, the lower face of the sheet section 5 and penetrate all the layer of the light material 8 without forcing , unless at the end of the movement, against concrete 6. This way a floor lower surface made of plaster board is created directly connected to the concrete beams of floor 2.
  • the length of the sheet section 5 extends for all the length of the structural element 2.
  • the side walls 11 of the sheet section 5 are slightly higher of the layer of the light material 8 in it contained, creating thus two protruding wings 11a.
  • Such protruding wings 11a allow to the sheet section 5 and to the light material 8 to be connected by means of screws 12 directly to the wall side of the floor beam 2 (figure 2 and 5) by means of pins not shown, previously inserted in the mould.
  • the structural element 1' comprises a plurality of portions 5' of sheet section arranged aligned longitudinally, spaced and centred transversally for a width less than that of the structural element 1'.
  • the portions of sheet section 5' are inserted in the mould 7 alternated before casting the concrete (figure 6 and 7). This way, a structural element is obtained that has a lower face in concrete 6 (figure 8), discontinued by the portions of sheet section 5', which can be used for fastening plaster covered boards.
  • Figures from 9A to 11B show in turn the steps of a further embodiment of the invention.
  • a reinforcement 4 is arranged, of traditional type, to which brackets 13 are welded.
  • Blades 14 are also provided that define the position of the sheet of light material 8 ( Figure 10A and 10B).
  • the brackets 13 are welded to reinforcement 4 spaced as shown in figure 9B.
  • Lo same method can be can be used for making a floor beam of pre-stressed concrete 1'', shown in figures 13A and 13B.
  • Structural elements 1, 1' or 1'' thus made, can be easily connected to a structural H beam 16 of steel, as shown in figures 14 and 15. In fact, it is sufficient to use screws 15 that penetrate the sheet section 5.
  • Structural elements 1 thus made allow a quick fastening of the ceiling of plaster covered boards 9 directly to the lower surface of the floor. This way, it is not necessary to install additional frameworks to the plaster suspended ceilings 9.
  • the lower face of the sheet section 5 may be coated with an insulating layer, in species cellular polyethylene some mm thick. This way, the heat bridge that usually affect floors near the beams is eliminated, caused by the higher heat conductivity of the concrete beams with respect to the rest of the floor, which comprises hollow tiles.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Floor Finish (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Building Environments (AREA)
EP01830105A 2001-02-16 2001-02-16 Elément structurel permettant l'installation de plafonds suspendus en plâtre sous une dalle de plancher Withdrawn EP1233116A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP01830105A EP1233116A1 (fr) 2001-02-16 2001-02-16 Elément structurel permettant l'installation de plafonds suspendus en plâtre sous une dalle de plancher
EP02702585A EP1362148B1 (fr) 2001-02-16 2002-02-18 Element structural pour application de plafonds suspendus de platre sur des planchers
AT02702585T ATE544918T1 (de) 2001-02-16 2002-02-18 Bauelement zum aufhängen von gipsunterdecken an decken
PCT/IB2002/000481 WO2002066761A1 (fr) 2001-02-16 2002-02-18 Element structural pour application de plafonds suspendus de platre sur des planchers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01830105A EP1233116A1 (fr) 2001-02-16 2001-02-16 Elément structurel permettant l'installation de plafonds suspendus en plâtre sous une dalle de plancher

Publications (1)

Publication Number Publication Date
EP1233116A1 true EP1233116A1 (fr) 2002-08-21

Family

ID=8184405

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01830105A Withdrawn EP1233116A1 (fr) 2001-02-16 2001-02-16 Elément structurel permettant l'installation de plafonds suspendus en plâtre sous une dalle de plancher
EP02702585A Expired - Lifetime EP1362148B1 (fr) 2001-02-16 2002-02-18 Element structural pour application de plafonds suspendus de platre sur des planchers

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP02702585A Expired - Lifetime EP1362148B1 (fr) 2001-02-16 2002-02-18 Element structural pour application de plafonds suspendus de platre sur des planchers

Country Status (3)

Country Link
EP (2) EP1233116A1 (fr)
AT (1) ATE544918T1 (fr)
WO (1) WO2002066761A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264024B (de) * 1958-10-28 1968-03-21 Erwin Neuwirth Vorgefertigter Traeger fuer die Montage und zur Bewehrung von Betondecken
DE1271955B (de) * 1961-05-24 1968-07-04 Harald Richter Dr Ing Trogartiger Schalstein fuer den in Beton eingebetteten Untergurt von Montagetraegernod. dgl.
FR2319749A1 (fr) * 1975-07-30 1977-02-25 Halfeneisen Gmbh Co Kg Rail de fixation pour le montage de toles a ondulations trapezoidales
US4041664A (en) * 1970-05-28 1977-08-16 Davis Jr George Bradley Joist, structural element and devices used in making same
FR2534298A1 (fr) * 1982-10-08 1984-04-13 Joannes Andre Dispositif de poutre a isolant thermique incorpore
FR2580015A1 (en) * 1985-04-03 1986-10-10 Silix Cie Davum Dfc Floor element and insulating floor comprising such elements
EP0487422A1 (fr) * 1990-11-23 1992-05-27 Saret France - Ppb (S.A.) Profilé pour la fixation d'éléments de recouvrements tels qu'une couverture sur un élément en béton tel qu'une poutre

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264024B (de) * 1958-10-28 1968-03-21 Erwin Neuwirth Vorgefertigter Traeger fuer die Montage und zur Bewehrung von Betondecken
DE1271955B (de) * 1961-05-24 1968-07-04 Harald Richter Dr Ing Trogartiger Schalstein fuer den in Beton eingebetteten Untergurt von Montagetraegernod. dgl.
US4041664A (en) * 1970-05-28 1977-08-16 Davis Jr George Bradley Joist, structural element and devices used in making same
FR2319749A1 (fr) * 1975-07-30 1977-02-25 Halfeneisen Gmbh Co Kg Rail de fixation pour le montage de toles a ondulations trapezoidales
FR2534298A1 (fr) * 1982-10-08 1984-04-13 Joannes Andre Dispositif de poutre a isolant thermique incorpore
FR2580015A1 (en) * 1985-04-03 1986-10-10 Silix Cie Davum Dfc Floor element and insulating floor comprising such elements
EP0487422A1 (fr) * 1990-11-23 1992-05-27 Saret France - Ppb (S.A.) Profilé pour la fixation d'éléments de recouvrements tels qu'une couverture sur un élément en béton tel qu'une poutre

Also Published As

Publication number Publication date
WO2002066761A1 (fr) 2002-08-29
ATE544918T1 (de) 2012-02-15
EP1362148B1 (fr) 2012-02-08
EP1362148A1 (fr) 2003-11-19

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