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
  • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
  • E04B5/17—Floor structures partly formed in situ
  • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
  • E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal

Definitions

• the invention relates to a method of manufacturing a floor by formwork elements with integrated struts.
• the invention also relates to a formwork element integrated forest for the implementation of such a method.
• the invention also relates to a floor made by such integrated formwork shuttering elements.
• Girder floors are well known in the construction field. These floors include a plurality of beams and a concrete compression slab cast on the beams.
• An object of the invention is to propose a manufacture of a simplified and accelerated floor.
• the invention thus relates to a method of manufacturing a floor comprising at least the steps of:
• shuttering elements integrated between the beams so that said elements rest on lower ends of the beams, said shuttering elements with integrated struts being shaped to extend from the lower ends of the beams to touching upper ends of the beams, each upper face of an element of integrated forestay formwork extending between two respective successive beams so that the different upper faces of the various formwork elements integrated form with the upper ends of the beams a work surface,
• the formwork elements with integrated struts define with the beams a closed work surface on which the compression slab can be cast.
• the integrated formwork elements extending between the upper and lower ends of the beams and resting on them to fill the space between the beams. This limits the risk that the concrete of the compression slab does not infiltrate between the beams during the casting of the compression slab.
• the formwork elements with integrated stays ensure a tightness of the assembly formed by the integrated formwork elements and the beams.
• the invention is thus easy and quick to implement.
• the integrated formwork elements fill themselves the role of vertical struts of the prior art which allows to overcome it.
• the various trades can intervene on the corresponding floor more easily.
• At least one of the beams is a profile.
• the beam is a beam IPE.
• each beam has connectors to the compression slab.
• the method comprises the step of arranging reinforcements on the beams before the casting of the compression slab to embed the reinforcements in said compression slab.
• the formwork elements with integrated stays are shaped and arranged so as to form with the beams a working surface which is flat and continuous.
• the invention also relates to a floor comprising:
• integrated strut formwork members arranged between the beams so that said integral strut form members rest on lower ends of the struts, said members being shaped to extend from the lower ends of the struts to touching upper ends of the beams, each upper face of a shuttering element with integrated struts extending between two respective successive beams so that the different upper faces of the various shuttering elements integrally formed form with the upper ends of the beams a surface of integrated formwork elements being intended to be removed, and
• the invention also relates to an integrated forestay form element intended to be arranged between two successive beams of a floor so as to rest on lower ends of said beams, the element of integrated forestay form being shaped to extend in service from said lower ends to touch upper ends of said beams, an upper face of the formwork element integrated forest then extending between the two successive beams, the integrated forestay form element comprising at least said upper face and four lateral flanks surrounding said upper face.
• the shuttering element with integrated stay is hollow.
• the formwork element with integrated stay is open at the bottom.
• At least the main face of the integrated forestay form element is smooth.
• FIG. 1 is an exploded view of a part of a floor manufactured according to a first implementation of the invention
• FIG. 2 is a top view in three dimensions of an integrated forestay formwork element for the manufacture of the floor illustrated in FIG. 1,
• FIG. 3 is a bottom view of the integrated forestay form element illustrated in FIG. 2,
• FIG. 4 is a side view of the floor shown in FIG.
• FIG. 5 is a view identical to that of FIG. 4, the integral formwork elements having been removed
• - Figure 6 is a top view in three dimensions of a formwork element integrated forest for the manufacture of a floor according to a second implementation of the invention
• FIG. 7 is a view from below of the integrated forestay form element illustrated in FIG. 6.
• the floor 1 manufactured according to a first implementation of the invention comprises a network of beams 2.
• floor is meant the structure on which a user is intended to to walk and which must take back alone the efforts that the work-will be destined to undergo besides its own weight.
• each beam 2 rests here at each of its ends on a beam (the beams are not visible), the various beams 2 extending parallel to each other along a first axis X.
• each beam 2 consists of one or more profiles secured to each other.
• Profile means a part manufactured to extend straightly along an axis and to have a transverse profile determined L, T, U, H, I, etc. along the entire axis.
• each beam 2 has a cross section comprising at least two corners which each define either a sharp edge or a rounded edge forming leave.
• each beam 2 here consists of a single profile.
• Each beam 2 extends rectilinearly along the first axis X and here has a cross section I.
• each beam 2 is a so-called “IPE” beam.
• Each beam is for example a beam said "IPE 120" (according to European standards in force, 120 meaning 120 millimeters).
• Each beam 2 thus comprises an upper sole 3 and a lower sole 4 interconnected by one . core 5, the upper sole 3 and the lower sole 4 forming respectively the upper end and the lower end of the corresponding beam 2.
• the two flanges 3, 4 thus extend parallel to each other and to a second axis Y orthogonal to the first axis X.
• the core 5 extends parallel to a third axis Z, orthogonal to the two axes X and Y, and therefore perpendicular to the two soles 3, 4.
• the upper face of the upper sole 3 forms : - thus a flat surface.
• the various beams 2 are made of metal and in particular steel.
• the various beams 2 may be alternatively in another material such as for example be carbon-based composite material ...
• the floor 1 also comprises a compression slab 6 covering the network of beams 2.
• the floor 1 comprises reinforcements 7 embedded in the concrete of the compression slab 6.
• the reinforcements 7 form for example one or more welded mesh facilitating the installation of the frames 7 during the manufacture of the floor 1 as we will see more low.
• the floor 1 has connectors 8 of the beams 2 to the compression slab 6 of the floor
• the connectors 8 are for example metal or steel.
• the connectors 8 are here angles 8, which each extend from one of the beams
• Each angle has a cross section (normal parallel to the first axis X) in L. Each angle thus comprises a first wing and a second wing extending perpendicularly to the first wing.
• the two wings are here identical.
• the angles are here of a length (along the first axis X) substantially equally to the width of each . wing.
• Each angle is for example arranged so that the first wing of the angle considered extends parallel to the third axis Z and the second wing of the angle considered extends parallel to the second axis Y.
• the first wing is fixed on the upper face of the upper sole 3 of the associated beam 2.
• the first flange is fixed to said upper flange 3 so as to be centered on said flange. The first wing thus extends in the extension of the core 5 of the associated beam 2.
• Each angle is for example welded to the associated beam 2.
• all the beams 2 of the floor 1 comprise angles.
• the angles are also regularly distributed over the entire length of each beam 2 (along the first axis X).
• angles of the floor 1 are here all oriented in the same direction. Alternatively, the angles are oriented differently on the same beam 2 and / or between several beams 2 of the same planther 1.
• the angles are arranged on the various beams 2 so that the floor 1 comprises between 1 and 8 angles per m 2 of floor 1 and preferably between 3 and 6 angles per m 2 floor 1.
• the floor 1 comprises shuttering elements 9 with integrated stays which will now be described with reference to FIGS. 1 to 3 (only a part being referenced in Figure 1). Since the various formwork elements 9 are all identical to each other in the present embodiment, the description that applies is valid for all the formwork elements 9 of the floor 1.
• the formwork element 9 is for example plastic.
• the formwork element 9 is here generally shaped in a rectangular parallelepiped.
• the shuttering element 9 is shaped so that its dimensions are such that the shuttering element 9 fills the space between two successive beams 2 along the second axis Y and the third axis Z. On the other hand, several shuttering elements 9 are necessary to fill the space between the two successive beams according to the first axis X.
• the height of the shuttering element 9 (along the third axis Z) thus corresponds substantially to the distance separating the two flanges 3, 4 of the beams 2.
• the width of the shuttering element 9 (along the second axis Y) corresponds therefore substantially at the distance separating the two webs 5 of said beams 2.
• the length of the shuttering element 9 (along the first axis X) is substantially identical to the width of said shuttering element 9.
• the length of the shuttering element 9 formwork element 9 is for example between 60 and 100 centimeters, and optionally between 80 and 100 centimeters.
• the thickness of the formwork element is for example of the order of a few centimeters and is typically between 1 and 3 centimeters.
• the shuttering element 9 is hollow.
• the formwork element 9 is thus relatively light.
• the shuttering element 9 comprises an upper face 10 surrounded by four lateral flanks 11, 12, 13, 14.
• the shuttering element 9 therefore has a general shape of rectangular parallelepiped without its face. lower that is to say that the shuttering element 9 is open in its lower part.
• the shuttering element 9 thus proves to be particularly light.
• the upper face 10 of the shuttering element 9 extends just below the upper faces of the upper flanges 3.
• the upper face 10 of the shuttering element 9 is then contiguous to the lower faces of the upper flanges. 3.
• the lower ends of two of the lateral flanks 11, 13 of the shuttering element 9 rest on the upper faces of the lower flanges 4 of the two beams 2 associated. In this way, the shuttering element 9 does not protrude from the lower flanges 4 of the beams 2.
• the shuttering element 9 is such that said two lateral flanks 11, 13 come into contact with the webs 5 of the two beams 2 associated.
• the various formwork elements 9 of the floor 1 are further arranged one after the other between two successive beams 2 (along the first axis X) to ensure a filling of the space between the two beams 2 over the entire length (along the first axis X) of the beams 2.
• the formwork elements 9 are thus arranged so that their other two lateral flanks 12, 14 (ie those extending parallel to the second axis Y) are in contact.
• each shuttering element 9 extends at the same level as the lower faces of the upper flanges 3 of the beams and are contiguous to said lower faces.
• the shuttering elements 9 and the beams 2 thus together form a substantially flat working surface (at the thickness of the flanges near).
• said working surface is continuous, the formwork elements 9 passing completely under the upper flanges.
• the compression slab 6 further descends between the beams 2 to thus advantageously include the upper flanges 3 of said beams 2. This will enhance the cohesion of the floor 1.
• the formwork element 9 is not a lost formwork element. Once the compression slab 6 is taken, the formwork element 9 is recovered which allows to reuse it for another work.
• the formwork element 9 is not an interjoists.
• the shuttering element 9 is shaped so as not to bond to the concrete of the compression slab 6 during the casting thereof.
• at least the upper face 10 of the formwork element 9, and preferably all the formwork element 9, are configured not to bond to the concrete.
• teeth non-granular appearance.
• one or all of the faces may be non-planes, that is to say present figures. or drawings that when taking the concrete will print correspondingly figures or drawings in the compression slab. Nevertheless, despite these figures or drawings, the faces remain non-granular which limits their interaction with the concrete of the compression slab.
• At least said upper face 10, and preferably all the faces of the formwork element 9, are covered with a coating limiting the interaction between the concrete and the formwork element 9 such that a coating, a resin, a lacquer, a glazer ...
• the coating may be formed of one or more layers of natures identical or different from each other.
• a resin based on "melamine” such as a “melamine-formaldehyde” resin or a “melamine-formaldehyde” resin may be used. It is thus possible to use a Formica resin (registered trademark). Alternatively or additionally, it is possible to use an acrylic varnish, a polyurethane varnish, a glycerophthalic varnish, a cellulose varnish, etc.
• a protection directly above the shuttering element limiting the interaction of the shuttering element with the concrete of the compression slab.
• a plastic protection covering at least the upper face of the shuttering element 9 and to cast the compression slab on this protection.
• the formwork elements 9 touch the upper ends beams through the plastic protection (the latter being very thin preferably less than 1 mm).
• the formwork elements 9 are arranged between the beams 2 in order to form the work surface. For this it suffices simply to tilt and / or slide each shuttering element 9 between two successive beams.
• the reinforcement 7 is then laid down before pouring the compression slab 6, so that the angle of the compression slab 6, the angles and the reinforcements 7, are embedded in the concrete.
• the floor 1 is then obtained as illustrated in FIG. 4.
• the formwork elements 9 are removed in order to reuse them.
• the floor 1 is thus obtained as shown in FIG.
• the floor 1 thus described has many advantages.
• the floor 1 is fast and easy to assemble.
• the formwork elements 9 are light, easy to handle and arrange between the beams 2 and are further reusable.
• the formwork elements 9 also fulfill the function of struts themselves, which makes it possible not to use struts extending from the floor to the floor as in the manufacturing processes of the prior art.
• each shuttering element 109 has two grooves 115, 116 extending parallel to each other and formed between the upper face 110 and one of two lateral flanks 111, 113 intended to rest on the beams 2.
• grooves 115, 116 thus extend to the boundary between the upper face 110 and the side flanks 111, 113.
• the grooves 115, 116 extend in parallel. at the first axis X.
• the grooves 115, 116 extend: over the entire length (along the first axis X) of the formwork element 109.
• each groove 115, 116 has a substantially L-shaped section and thus comprising a first face and a second face perpendicular to the first face.
• the two faces of each groove 115, 116 are planar.
• the grooves 115, 116 are moreover shaped so as to respectively have respectively substantially the same dimensions as a half-upper sole 3 of an associated beam 2.
• the formwork element 109 comes to follow the shape of the beams 2, the upper flanges 3 of the two beams 2 associated with the corresponding grooves 115, 116.
• the lower face of the upper sole 3 comes to rest against the first face of the groove facing and the side face of the upper sole 3 comes to rest against the second face of the same groove facing.
• the upper face 110 of the shuttering element 109 extends substantially at the same level as the upper faces of the upper flanges 3.
• the upper face 110 of the shuttering element 109 is then contiguous to those of the upper soles 3.
• the lower ends of two of the lateral flanks 111, 113 of the shuttering element 109 rest on the upper faces of the lower flanges 4 of the two beams 2 associated. In this way, the shuttering element 109 does not protrude from the lower flanges 4 of the beams 2.
• the shuttering element 109 is such that ⁇ said two lateral flanks 111, 113 come into contact with the webs 5 of the two beams 2 associated.
• the different formwork elements 109 of the floor 1 are further arranged one after the other between two successive beams 2 (along the first axis X) to ensure a filling of the space between the two beams 2 over the entire floor. length (along the first axis X) of the beams 2.
• the formwork elements 9 are thus arranged so that their other two lateral flanks 112, 114 (ie those extending parallel to the second axis Y) are in contact.
• each shuttering element 109 extends at the same level as said upper faces of the upper flanges 3 of the beams and are contiguous to said upper faces.
• the formwork elements 109 and the beams 2 together form a working surface which is flat.
• said working surface is continuous, the shuttering elements 109 and the beams 2 being placed side by side. This makes it easier to cast the compression slab 6. In addition, it prevents the infiltration of concrete between the beams 2 and the formwork elements
• the formwork element 109 is not a lost formwork element. Once the compression slab 6 has been taken, the shuttering element 109 is recovered, which makes it possible to reuse it for another work.
• the formwork element 109 is not an interjoists.
• the shuttering element 109 is shaped so as not to bind to the concrete of the compression slab 6 during the casting thereof. Typically at least the upper face 110 of the shuttering element 109, and preferably all the shuttering element 109, are configured not to bond to the concrete.
• At least said upper face 110 of the shuttering element 109 is smooth (including grooves).
• more faces of the shuttering element 109 are smooth and for example all the faces of the shuttering element 109.
• teeth non-granular appearance.
• one or all the faces may be non-planes, that is to say present figures or drawings which, when the concrete is taken, will correspondingly print figures or drawings in the slab. compression. Nevertheless, despite these figures or drawings, the faces remain non-granular which limits their interaction with the concrete of the compression slab.
• At least said upper face 110, and preferably all the faces of the shuttering element 109, are covered with a coating limiting the interaction between the concrete and the formwork element 109 such as a varnish, a resin, a lacquer, a glazier ...
• the coating may be formed of one or several layers of natures identical or different from each other.
• a resin based on "melamine” such as a “melamine-formaldehyde” resin or a “melamine-formaldehyde” resin may be used. It is thus possible to use a Formica resin (registered trademark). Alternatively or additionally, it is possible to use an acrylic varnish, a polyurethane varnish, a glycerophthalic varnish, a cellulose varnish, etc.
• a protection directly above the shuttering element limiting the interaction of the shuttering element with the concrete of the compression slab.
• a plastic protection covering at least the upper face of the shuttering element 109 and to cast the compression slab on this protection.
• the shuttering elements 109 touch the upper ends of the beams through the plastic protection (the latter being very thin preferably less than 1 millimeter).
• the beams may have a different profile than that described.
• the beams may consist for example of two profiles instead of one.
• beams can be shaped, by their (s) profile (s), so as to have a cross section I, H ... or according to European standards a cross section IPN, IPE, HEA, HEB ...
• the beams, and therefore the profiles may be in a completely different material than metal.
• the beams can be carbon, composite material ...
• the beams, and therefore the profiles may be different materials from each other.
• the beams may equally well be of raw material or be galvanized or be treated against corrosion.
• the beams, and therefore the profiles may of course have dimensions different from those described according to the desired range of the floor.
• the beam may be shaped to be of the IPE 220 type.
• the beam may be shaped to be of the HEA 120 or HEA 140 type.
• the floor may include other types of connector that has been described.
• the connector can thus be a stud.
• the connector may also be a section section U, T, H ...
• the connectors may of course include different types of connectors such as angles and studs.
• Integrated formwork elements may have a shape other than that described.
• its upper face may be rectangular and not square
• Integrated formwork elements can be closed instead of open at the bottom.
• Integrated formwork elements may be solid and non-hollow.
• Integrated formwork elements will be able to be shaped to fit into each other thereby facilitating the storage and transport of shuttering elements integrated struts.
• the integral formwork elements may also comprise means for hanging, for example by snapping and / or interlocking and / or gluing, two adjacent integral formwork elements (along the first axis X) instead of simply be juxtaposed.
• adhesive tape could be used to join two adjacent integrated props formwork elements, an adhesive tape advantageously adapted to not bond to the concrete of the compression slab by its nature.
• the integrated formwork elements may be in a material other than plastic material being for example wood, composite material ...
• Each integral formwork element may be formed of a single portion or several portions.
• an integral forest formwork element composed of two portions so as to have a separation extending longitudinally along the axis X. In this way, during the assembly of the floor, one portion will be arranged after the other to mount the shuttering element integrated forest which will facilitate said assembly.
• the portions may further comprise means for hanging, for example by snapping and / or nesting and / or gluing, two adjacent portions instead of simply juxtaposed.
• adhesive tape may be used to secure the two portions together, adhesive tape advantageously adapted not to bind to the concrete of the compression slab by its nature.
• the method described may comprise other steps than what has been indicated, such as for example checking the distance separating two beams by inserting a first one. integrated formwork element as soon as the beams are laid or else comprise a stage of arrangement of thermally and / or acoustically insulating blocks between the beams once the integral formwork elements have been removed.
• integrated formwork element as soon as the beams are laid or else comprise a stage of arrangement of thermally and / or acoustically insulating blocks between the beams once the integral formwork elements have been removed.
• the steps may also be performed in a different direction than has been indicated. For example, it will be possible to attach the connectors to the profiles before laying the profiles or once the shuttering elements have integrated struts arranged.

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=63490561

Family Applications (1)

Country Status (5)

Family Cites Families (3)

• 2018
  • 2018-05-03 FR FR1853831A patent/FR3080870B1/fr active Active
  • 2018-05-31 FR FR1854659A patent/FR3080869B1/fr active Active
• 2019
  • 2019-04-17 MA MA45627A patent/MA45627B1/fr unknown
  • 2019-04-18 WO PCT/IB2019/000285 patent/WO2019211661A1/fr active Application Filing
  • 2019-04-18 EA EA202092634A patent/EA202092634A1/ru unknown
  • 2019-04-18 EP EP19724601.0A patent/EP3788212A1/de active Pending
  • 2019-04-18 MA MA052491A patent/MA52491A/fr unknown

Also Published As

Similar Documents

Legal Events