EP3239425A1 - Gebäudeplatte mit reduzierter masse - Google Patents

Gebäudeplatte mit reduzierter masse Download PDF

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Publication number
EP3239425A1
EP3239425A1 EP17167873.3A EP17167873A EP3239425A1 EP 3239425 A1 EP3239425 A1 EP 3239425A1 EP 17167873 A EP17167873 A EP 17167873A EP 3239425 A1 EP3239425 A1 EP 3239425A1
Authority
EP
European Patent Office
Prior art keywords
slab
spar
building
stress rod
concrete
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Withdrawn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
EP17167873.3A
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English (en)
French (fr)
Inventor
Alain VIDAILLAC
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.)
ALFYMA INDUSTRIE
Original Assignee
ALFYMA INDUSTRIE
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 ALFYMA INDUSTRIE filed Critical ALFYMA INDUSTRIE
Publication of EP3239425A1 publication Critical patent/EP3239425A1/de
Withdrawn legal-status Critical Current

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    • 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
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • 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
    • 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
    • E04C5/0627—Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat

Definitions

  • the present invention relates to a building slab, in particular for forming a floor and / or a ceiling of the building.
  • the invention aims in particular to overcome these disadvantages, by proposing a slab building lighter and reduced cost, while maintaining high performance mechanical characteristics.
  • the building slab according to the invention comprises struts with a stress rod, in particular with a post-tensioning rod.
  • Such a spar is made by pouring concrete so as to produce a body in which the rod, in particular a threaded rod, is housed.
  • the stem protrudes at the ends of this body.
  • the rod is then stretched by means of jacks connected to the ends of the rod, thereby generating tensions that reverberate in the spar, in order to compensate for the external forces experienced by this spar in a building structure, and thus limit its deformations.
  • a stress rod spar is particularly robust.
  • the presence of such beams connected to the concrete slab ensures the mechanical strength of the building slab.
  • the slab may thus comprise filler material between the spars, for example polystyrene, which allows a significant gain in mass and cost, compared with a slab of the state of the art.
  • a slab according to the invention has a mass 40% lower than the mass of a slab of the state of the art of the same dimensions.
  • a slab according to the invention has a mass of about 300 kg / m 2 .
  • a slab according to the invention comprises 40% less concrete, and about 50% less steel than a slab of the state of the art, which considerably reduces costs.
  • FIG. 1 a building slab 10 according to an exemplary embodiment of the invention.
  • the slab 10 is intended to form part of a ceiling of a first room of a building, as well as part of a floor of a second room on a floor above the first room.
  • the slab 10 comprises a concrete slab 12, and a plurality of concrete spars 14, integral with the slab 12, as shown in particular in FIG. figure 2 .
  • the predalle 12 comprises four longitudinal members 14 each extending parallel to a longitudinal direction.
  • each spar 14 comprises a body 15 extending between two ends in the longitudinal direction, and a straining rod 16 extending in the longitudinal direction through the body 15, the straining rod 16 protruding beyond each end of the body 15.
  • the stress rod 16 is preferably metallic, for example made of steel.
  • the stress rod 16 is at least partially threaded, in particular threaded at its ends.
  • the straining rod 16 is generally stretched through the body 15 by a system of jacks to a predetermined tension (for example 20 tons), this stretch being maintained by two holding plates 18, each pressed against one end. respective of the cross member 14 by a respective nut 20 screwed onto the stress rod 16.
  • a predetermined tension for example 20 tons
  • the building slab 10 furthermore comprises a first metal reinforcement 22, in particular made of steel, represented on the figure 2 .
  • the first armature 22 comprises a first armature portion 22A at least partially embedded in the predalle 12 and, for each spar 14, a second armature portion 22B, connected to the first armature portion 22A, and partially embedded in this spar 14.
  • each second armature portion 22B protrudes above the corresponding spar 14, as can be seen in FIG. figure 1 .
  • Each second armature portion 22B is for example formed by a plurality of metal arches aligned in the longitudinal direction, each arch being connected by its base to the first armature portion 22B, and extending to a vertex. These are the tops of the arches that protrude above the corresponding longitudinal members 14.
  • Each second frame portion 22B supports a reservation tube 24, embedded in the spar 14 corresponding.
  • This reservation tube 24 is intended to reserve a space for the corresponding stress rod 16 during the casting of the spar 14.
  • each reservation tube 24 receives the corresponding stress rod 16
  • the building slab 10 comprises a second metal frame 26, connected to the second frame portions 22B of the first metal frame 22, and more particularly to the tops of the arches.
  • the second armature 26 comprises a grid 27 covering the longitudinal members 14, and connecting rods 28, covering the grid 27, and each passing through a respective one of the arches to maintain the grid 27.
  • the building slab 10 further comprises a filling material 30 extending on the predalle, between the longitudinal members 14.
  • the filling material 30 is for example formed by a plurality of blocks of material, each extending between two longitudinal members 14. adjacent.
  • the filling material 30 is generally a thermal and / or acoustic insulating material, for example polystyrene.
  • the filling material 30 is preferably selected economical and having a reduced mass.
  • the slab 10 comprises a concrete slab (not shown) covering the filling material 30, so that the filler material is interposed between the slab 12 and said concrete slab.
  • the second steel frame 26 is embedded in this concrete slab.
  • the building slab 10 optionally comprises a gypsum board 32 provided with fixing means to the slab 12.
  • the gypsum board 32 has a lower face, intended to give its aspect to the ceiling formed by the slab 10, and an upper face facing the predalle 12.
  • the fastening means comprise, for example, securing pins secured to the gypsum board 32, projecting from the upper face of the gypsum board 32 and penetrating the floor 12.
  • This gypsum board 32 is intended to give an aesthetic appearance below the slab 10, especially when the slab 10 is intended to form a ceiling.
  • a layer 34 of thermal and / or acoustic insulation is interposed between the plasterboard 32 and the predalle 12.
  • the slab 10 is only intended to form a floor, in which case it does not include plasterboard, as shown in FIG. figure 2 .
  • the slab 10 according to the invention is produced during a manufacturing process which will now be described.
  • the manufacturing method comprises a first step of placing the gypsum board 32, with the fastening pins secured to this gypsum board 32, projecting from the upper face of this gypsum board 32.
  • the manufacturing method then comprises a step of placing the insulating layer 34 above the gypsum board 32. It should be noted that the fixing pins then pass through this layer of insulation 34 .
  • the manufacturing process then comprises a step of placing the first frame 22.
  • the manufacturing method then comprises a casting step of the concrete slab 12, so that the fixing pins on the one hand, and the first part 22A of the first frame 22 on the other, are embedded in this predalle of concrete 12.
  • the method then comprises a step of placing blocks of filling material 30 on the pre-plate 12, between the second reinforcing portions 22B.
  • the filling material blocks 30 are, for example, polystyrene blocks.
  • the manufacturing process then comprises a step of pouring the plurality of concrete spars 14 onto the slab 12.
  • the spars 14 are cast so that the second portions 22B of the first armature 22 are partly embedded in these spars 14, tops of the hoops protruding above the spars 14. It should be noted that the blocks of material 30 form a formwork for casting the spars 14.
  • tubes 24 form reservations for the stress rods 16 in the longitudinal members 14.
  • the method then comprises a step of inserting a stress rod 16 in each reservation, of stretching of this stress rod 16, and of blocking each stress rod 16 under stress, by clamping the plates 18 against the ends of the body 15 of the corresponding spar 14, by means of the nuts 20 screwed onto the stress rod 16.
  • the method also comprises a step of placing the second armature 26, depositing the grid 27 on the longitudinal members 14 and then holding the grid 27 in place thanks to the connecting rods 28, which are passed through the poles protruding from the longitudinal members 14, then curved at their ends to be locked in position.
  • the method generally comprises a casting step of a concrete slab, covering the longitudinal members 14 and the blocks of material 30, so that the second reinforcement 26 is embedded in this concrete slab.
  • the slab 10 according to the invention has a mass lower than that of a slab of the state of the art. More particularly, the slab 10 according to the invention has for example a mass of about 300 kg / m 2 , 40% less than a slab of the state of the art.
  • a slab 10 according to the invention comprises about 0.120 m 3 of concrete / m 2 whereas a slab of the state of the art comprises about 0.200 m 3 of concrete / m 2 , a gain of 40%.
  • a slab 10 according to the invention comprises about 13 kg of steel / m 2 whereas a slab of the state of the art comprises about 28 kg of steel / m 2 , a gain of 53%.
EP17167873.3A 2016-04-25 2017-04-25 Gebäudeplatte mit reduzierter masse Withdrawn EP3239425A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1653640A FR3050470A1 (fr) 2016-04-25 2016-04-25 Dalle de batiment a masse reduite

Publications (1)

Publication Number Publication Date
EP3239425A1 true EP3239425A1 (de) 2017-11-01

Family

ID=56373048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17167873.3A Withdrawn EP3239425A1 (de) 2016-04-25 2017-04-25 Gebäudeplatte mit reduzierter masse

Country Status (2)

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EP (1) EP3239425A1 (de)
FR (1) FR3050470A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114856042A (zh) * 2022-01-25 2022-08-05 金相培 具有隔热层的建筑物一体式模板及其施工方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1067963A (fr) * 1952-08-27 1954-06-21 Stressteel Corp Ouvrages et éléments en béton armé
FR1385621A (fr) * 1963-12-06 1965-01-15 Perfectionnements apportés aux éléments préfabriqués pour planchers en béton et planchers obtenus par leur utilisation
FR2122793A7 (de) * 1971-01-19 1972-09-01 Ibse
EP1350898A1 (de) * 2000-05-16 2003-10-08 Jaime Enrique Jimenez Sanchez Herstellungsverfahren einer leichteren alveolarplatte, eine solche platte und die verwendung einer solchen platte für die konstruktion von häusern
EP1405958A2 (de) * 2002-10-04 2004-04-07 Sergio Zambelli Vorrichtung zum Verbinden eines Balken an Säulen oder entsprechenden Tragelementen zur Errichtung von Gebäuden
EP1908891A2 (de) * 2006-07-06 2008-04-09 Ingenieria de Prefabricados S.L. Verbundplate für Betonboden

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1067963A (fr) * 1952-08-27 1954-06-21 Stressteel Corp Ouvrages et éléments en béton armé
FR1385621A (fr) * 1963-12-06 1965-01-15 Perfectionnements apportés aux éléments préfabriqués pour planchers en béton et planchers obtenus par leur utilisation
FR2122793A7 (de) * 1971-01-19 1972-09-01 Ibse
EP1350898A1 (de) * 2000-05-16 2003-10-08 Jaime Enrique Jimenez Sanchez Herstellungsverfahren einer leichteren alveolarplatte, eine solche platte und die verwendung einer solchen platte für die konstruktion von häusern
EP1405958A2 (de) * 2002-10-04 2004-04-07 Sergio Zambelli Vorrichtung zum Verbinden eines Balken an Säulen oder entsprechenden Tragelementen zur Errichtung von Gebäuden
EP1908891A2 (de) * 2006-07-06 2008-04-09 Ingenieria de Prefabricados S.L. Verbundplate für Betonboden

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114856042A (zh) * 2022-01-25 2022-08-05 金相培 具有隔热层的建筑物一体式模板及其施工方法
CN114856042B (zh) * 2022-01-25 2024-03-15 金相培 具有隔热层的建筑物一体式模板及其施工方法

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FR3050470A1 (fr) 2017-10-27

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