EP3064672B1 - Systeme de plafond en construction seche avec structure sandwich - Google Patents

Systeme de plafond en construction seche avec structure sandwich Download PDF

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Publication number
EP3064672B1
EP3064672B1 EP16000507.0A EP16000507A EP3064672B1 EP 3064672 B1 EP3064672 B1 EP 3064672B1 EP 16000507 A EP16000507 A EP 16000507A EP 3064672 B1 EP3064672 B1 EP 3064672B1
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EP
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Prior art keywords
panel
prefabricated
panels
ceiling system
recesses
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EP16000507.0A
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German (de)
English (en)
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EP3064672A1 (fr
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Thomas Friedrich
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Individual
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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
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • 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
    • E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
    • 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
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating

Definitions

  • the invention relates to a ceiling system in dry construction with a sandwich structure according to the preamble of claim 3.
  • a sandwich structure according to the preamble of claim 3.
  • the known prestressed concrete hollow planks consist of a single-shell construction of greater thickness than comparatively the thickness of single-shell prefabricated ceilings, in the interior of tubular passage cross-sections are present, can be inserted into the cable or pipes.
  • Disadvantage of the structure is that the plates can only be laid from support to support.
  • the choice of the grid dimension is not free and the basis weight of the prestressed concrete hollow floorboards is higher than the single-shell prefabricated concrete ceilings, so that the transport to the construction site is difficult.
  • Another disadvantage is that it is difficult to lay large-volume pipes, pipes and the like in the respective cavity because of the limited number and the limited cross section of the cavities. A later accessibility of this cavity is not given.
  • the invention is therefore based on the object, a drywall ceiling system of the type mentioned in such a way that with much less effort faster assembly at the site is possible that no liquid concrete must be used at the site and that the transport costs are low
  • the invention is characterized by a method according to the subject of independent claim 1.
  • a prefabricated sandwich panel produced by the method is the subject of independent claim 3.
  • a feature of the invention is that the drywall ceiling system essentially consists of two prefabricated panels arranged at a distance from one another of which the lower is referred to as the base plate and the upper as the cover plate and that the cavity between the two plates is filled with a pressure and Glaslastenerbertragenden connection strip, wherein the connection strip is connected at its lower end to the base plate and with its upper End is connectable to the cover plate.
  • a method provides that the base plate is produced in the precast plant and there the connection strip is connected to the base plate by pouring.
  • the connecting strip is cast with associated connecting elements in the composite of the base plate, wherein in the manufacture of the base plate by casting on a Heidelbergisch with liquid concrete equal to the connecting elements of the connecting strip are poured into the base plate, so that the connecting strip are already connected in the precast plant with the base plate.
  • the base plate thus produced is then transferred to the site of the construction site. It is therefore only to the transport of a (relatively lightweight) single-shell prefabricated panel to which the connecting strips are formed.
  • the single-shell cover plate is also made in the precast plant and transported to the site. Only at the construction site, both single-shell panels are joined together to form a sandwich structure. The transport costs are low because only single-shell elements have to be transported.
  • the base plate carries only recesses and is spent with these recesses to the site of the site, where subsequently the connection strips are subsequently embedded in the recesses of the base plate and with minimal amounts of In-situ concrete to be filled.
  • the first-mentioned method step which provides that the connecting strips are connected to the associated fasteners in the ready-mixed concrete with the base plate and the base plate is designed so brought to the site.
  • a so-designed base plate with molded connection strip is therefore placed on the construction site on the associated supports, and it is then a second precast plate (which is later referred to as cover plate) and which was made separately from the base plate, also spent at the site and on the Base plate placed so that the connecting elements of the connecting strip engage in associated recesses of the cover plate.
  • the recesses with the engaging there fasteners are then filled in place with in-situ concrete or poured, so that a heavy-duty sandwich-like bond between two prefabricated panels existing panels is made only at the site.
  • the base plate and the cover plate taken by themselves are easy to transport, because they have compared to a double-shell composite about half of the total weight, and they are easy to install in place, because only the connection elements of the connection strip cohesively in the recesses of the cover plate must be admitted and poured out there.
  • the ceiling system is made entirely of prefabricated components.
  • the individual ceiling panels are made separately from each other in the factory and assembled on the site and connected via Vergussmaschine zug- and pressure-resistant together.
  • the lower ceiling plate (base plate) is made with attached connecting strips in the precast plant.
  • two connecting strips are formed in parallel and at a mutual distance on the base plate.
  • the two plates do not necessarily have the same dimensions and when joining do not lie directly above each other. While the lower base plates are arranged at a certain distance and grid, for the upper cover plates another grid or a different distance must prevail.
  • the connection of the two plates takes place exclusively via the rib-like connecting strips. In regular grid are in the rib-like connecting strips connecting elements (eg a stirrup or connecting bolt or other tensile and compressive forces transmitted molding). Fits are provided in the upper cover plate recesses into which engage the connection elements of the connecting strips during assembly. After laying the two plate parts and their alignment, the openings of the upper cover plate are potted. This creates a tension and pressure-resistant connection, such that the entire cross-section participates in the load transfer via these connecting elements.
  • connecting elements eg a stirrup or connecting bolt or other tensile and compressive forces transmitted molding
  • one of the two plates forms the train or the other the pressure zone.
  • the transmission of the shear force takes place via the connecting strips, which in the final state use the complete ceiling height, including the structural strength of the two plates for the resistance.
  • the resulting ceiling cavity is used for the installation of pipes and pipes, which are installed after laying the lower plate on the site.
  • the cavity can also - be used as an air-bearing space for heating and cooling air - with or without further lining.
  • bulkheads and other vertical barriers can be provided in the cavity, which serve the air duct or a barrier for fire protection.
  • Such locking elements can be molded together with the connecting strips in the manufacture of the base plate to this.
  • the two plates of the sandwich section may be independently of each other, e.g. be used for the integration of piping for cooling and heating.
  • the arrangement of a radiant heater or the arrangement of a cooling ceiling is possible.
  • Underfloor heating can be installed in the upper panel.
  • the two shells of the sandwich cross-section are manufactured individually and independently of each other in the factory.
  • the connecting strips are prefabricated as individual elements and then set as an entire unit in the lower base plate and connected to the potting of the lower base plate together.
  • the complex work on the connecting strip with the openings are done in a separate operation.
  • the rebar connections in the upper panel connection strip are also included in the manufacture of the individual connection strips.
  • the recesses are provided for the connecting elements with.
  • Both panels have a formwork smooth side, which give in the final state of the cross section, this also at the top and bottom a form-smooth side.
  • the ceiling top of the cross-section is smooth and can be provided with a covering directly for further processing.
  • the lower plate with the attached connection strips is sufficiently rigid and load-bearing, so that it only has to be moved on a few rows of yokes on the construction site. These plates rest on walls or bind in ceiling-like prefabricated beams.
  • the location in the floor plan is based on the static specifications.
  • contiguous areas of equal stress intensity tensile or pressure zone
  • the location and dimension of a cover plate for a flat roof construction are chosen to evenly cover the tensile stresses around the support.
  • the floor plan of the individual cover panels in the upper position no longer directly covers the floor plan of the lower base panels. The two patterns in the laying of the two plates are thus different.
  • connection elements are provided at fixed locations in the connection strips. Analogous to their position, the recess for casting must be provided in the upper cover plate. Within certain tolerances, the two plate parts are connected to each other and then produced via the Fugenverguss a monolithic unit in sandwich construction.
  • the system consists entirely of prefabricated elements, these are assembled with a minimum of potting material and connected as a monolithic unit. At most, one of the marginal bars required for the unit must be used be created either in in-situ concrete or the individual prefabricated elements are connected to each other tensile strength.
  • the connecting strips are prefabricated and already provided with the recesses for the cable bushing. These can be produced in defined lengths and then assembled in length for each individual case. Thanks to the previously installed in the connecting strip spacers, the connecting strips are installed in height exactly in the lower base plate in their potting.
  • connection strips can be used in all directions with respect to the plate orientation, so that they have not only a supporting, but also a Abschschottende effect. Thus, within the floor plan, the fire protection level can be changed. Connection strips can also be arranged from a static point of view in close proximity in both directions, so as to enable a two-dimensional load transfer.
  • the cavity forms the middle of the three layers and is available for free cable routing. Since one of the two shells of the sandwich cross section in each case forms the fire protection level, access to the cavity may be created over the remaining level. On the one hand, access can be made via the lower level (eg via the strip absorbers) or via the upper level with the help of the floor tanks. If the access is from below, then the cavity also serves as a sound absorber (Helmholtz resonator), especially for the low frequencies.
  • Helmholtz resonator especially for the low frequencies.
  • the specified thickness can be changed within wide limits.
  • the reinforcing elements cast in there are not shown.
  • additional heating cables, cooling lines, electrical lines and the like can be cast there.
  • recesses 3 are provided on the sides, which serve to connect the base plates 1 with each other.
  • Such base plates are preferably produced in a measure of up to 3 m wide and 15 to 20 m in length and are inventively spent as a single-shell precast concrete to the site of the site.
  • the connecting strips 2 are formed on the base plate 1 already in the manufacture of the base plate 1 in the precast plant. They essentially have a filling body 26 in which one or more connecting elements 5 are embedded.
  • a self-contained bracket 6 is shown as a connecting element 5, which consists of an upper base leg 7, two adjoining side legs 8 and a lower base leg 7.
  • the bracket can not be formed closed in another embodiment.
  • bracket is self-contained, there is the advantage that it can transmit high tensile and compressive forces.
  • the connecting strip 2 is placed in the manufacture of the base plate 1 in the precast plant on the Heidelbergisch 21, so that when pouring the shape of the base plate 1 at the same time the lower part of the base leg 7 and the lower portion of the side legs 8 in the composite of the base plate 1 are poured.
  • the ceiling soffit 4 of the base plate 1 is preferably formed smooth. In this way, the base plate 1 is spent with the molded connection strip 2 to the place of assembly (to the site).
  • FIG. 1 shows a ready-assembled double-shell drywall system according to the invention with two prefabricated plates, namely the base plate 1 and a cover plate 11 mounted thereon.
  • FIG. 4 provided that in the region of the cover plate 11, a number of arranged in the grid recesses 14 are arranged through which the upper parts of the connecting elements 5 - in the present case, the bracket 6 (base leg 7 and upper side leg 8 of the bracket 6) reach through.
  • the cover plate 11 On the construction site, the cover plate 11 is placed with its recesses on the base plate 1, that the upper bracket 6 through the recesses 14 in the cover plate 11 reach through, and then only a little concrete is needed to pour out the recesses 14 to so as to connect the connecting elements 5 (eg, the bracket 6) load-transmitting with the base plate 1.
  • the connecting elements 5 eg, the bracket 6
  • bracket 6 engage with their upper ends in the recesses 14 of the cover plate 11 into it and are poured there.
  • the connecting strips 2 form continuous recesses 15, so that a continuous cavity 10 between the two plates 1, 11 results, which is suitable for the installation of electrical wiring, large-volume pipes and the like, because the cavity in a preferred embodiment, a height of z. B. 10.5 cm. He can thus also serve the air duct.
  • FIG. 1 In the section through a connecting strip 2 shows the FIG. 1 only a partial cross-section 9 of the filler body 26, from which the connecting strip 2 consists.
  • the cover plates 11 abut each other via recesses 13 to form joints, which are subsequently poured out.
  • FIG. 2 shows an illustration of how such a double-shell sandwich construction consisting of the two plates 1, 11 is placed on certain support elements.
  • supports 17 are present on which beams 16 are laid. These beams 16 are made of precast concrete elements and are placed directly on the supports 17 at the site of the construction site.
  • FIG. 3 shows as a modified embodiment that can be dispensed with self-contained bracket 6 as connecting elements 5 of the connecting strip 2 and instead only straight head bolts 20 can be used, which are molded with its underside in the base plate 1 and with its top in the recesses 14 inside grab and be poured out there.
  • connecting elements 5 bracket 6, can also head bolt 20 after FIG. 3 and other shaped connecting elements 5 are used, which in the FIGS. 25 to 27 are shown.
  • FIG. 4 shows the top view of a cover plate 11 with the recesses 14, wherein the upper parts of the bracket 6 through these recesses 14 through out and thus are easily determined by a curable casting material.
  • the recesses 14 are then flush with the surface 12 of the cover plate 11 is poured.
  • FIG. 5 shows the top view of a base plate 1 with molded connection strip 2, where it can be seen that the connecting strips in this embodiment are preferably made of concrete packing 26, in which the connecting elements 5 are cast in the grid.
  • the width of such connecting strips is approximately 30 cm, the height approximately 15 cm and the length approximately up to 7 m.
  • the connecting strips are shorter than the length of the base plate. They can be arranged in the longitudinal or in the transverse direction of the base plate.
  • FIG. 6 shows a connecting strip in the side view with there machined recesses 15, in which later then assigned lines, cables or pipes are inserted.
  • FIG. 7 schematically shows the introduction of the connecting strip 2 in the material of the base plate 1. It is assumed that on a Heidelbergisch 21 a suitable formwork for the shuttering of the base plate 1 is present. On the Heidelbergisch 21 then the connecting strip 2 is placed, which already has the finished packing 26, in the material of the bracket 6 is poured.
  • One or more spacers 24 may be arranged in the filling material of the connecting strip or also outside, which ensure that the lower base leg 7 of the bracket 6 has a certain distance from the switching table 21.
  • the formwork for the base plate 1 is filled in the direction of arrow 22 with a filling concrete 23, so that the connecting strip 2 is poured with the connecting element 5 in the material of the base plate 1.
  • FIG. 8 shows an enlarged section through a connecting strip 2 with the recesses 15 shown therein, in a placed on a Heidelbergisch 21 position.
  • FIGS. 9 and 10 show the preparation of the connection strip on a Heidelbergisch 21.
  • a side-shuttering 25 is established, in which the spacers 24 are introduced.
  • the connecting element 5 consists in the illustrated embodiment of one or more brackets. 6
  • the side mold 25 is filled with a filling material, which preferably consists of a concrete.
  • the concrete is a conventional, inexpensive normal concrete.
  • the concrete is formed as a high-strength concrete, whereby it is possible to further reduce the outer dimensions of the connecting strip with respect to the aforementioned dimensions.
  • a curable material filling body 26 made of a plastic material, plastic composites, wood or the like.
  • connecting strip 2 acts as a load-transmitting spacer between the spaced-apart plates 1, 11.
  • FIG. 10 shows a section along the line XX in FIG. 8 , The cut passes through the recess 9 therethrough.
  • FIGS. 11 and 12 show the on-site laying of a double-shell sandwich construction. Only the base plates 1 are shown. In each case, a base plate 1a, 1b is laid in abutment between the walls 27. On the Surface of the base plates 1, the connecting strips 2 are each cast (see FIG. 12 ).
  • the FIG. 12 shows that the further construction is now such that only a smaller cover plate 11 is moved centrally in the middle region on the middle wall 27, which overlaps with their recesses, the connecting elements 5 and can be fixed there.
  • FIGS. 13 and 14 As the next production step according to claim 1 are according to FIGS. 13 and 14 to the middle cover plate 11, two outer cover plates 11a, 11b connected, so that the cover plates receive a central joint joint 28 in the left and right third above the base plates 1a, 1b and hereby a bearing transfer of tensile forces according to the diagonals in FIG. 13 he follows.
  • the middle cover plate 11 With the middle cover plate 11, the negative bending moments are covered and there are only compressive stresses on the joint joints 28 on the adjoining abutting there cover plates 11a, 11b transmitted. This can be dispensed with expensive train connections, as they are customary in the prior art otherwise.
  • the FIG. 14 shows the section through the arrangement FIG.
  • FIG. 15 shows a complete ceiling system in which, however, initially only the base plates are shown.
  • Each diagonal 29 represents a base plate 1, so that all the base plates 1 are laid in a grid and each base plate 2 mutually parallel connection strips 2 are assigned.
  • FIG. 15 It can be seen that for the construction of an office cross-section first a corridor with corridor walls 30 is created.
  • the corridor walls 30 have no supporting function.
  • the bearing function will be by the three-beam system after FIG. 15 formed, which is reinforced by additional supports 17.
  • FIG. 16 shows the top view of the same representation as in FIG. 15 with the addition of the upper-side cover plates 11, which are shown as cover plates 11a, 11b and 11c.
  • cover plates 11a, 11b and 11c cover plates
  • the cover plates are shown partially hatched in order to mark the delimitation to the other, abutting cover plates.
  • the cover plates 11 are marked by a respective diagonal 31.
  • FIG. 16 a complete bivalve ceiling system in which the two plates 1, 11 form a sandwich structure in the dry construction with intermediate connection strips 2.
  • the FIG. 17 shows in comparison to FIG. 16 as an additional feature that additional bulkhead strips 32 are incorporated, which delimit vertically the cavity 10 between the plates 1, 11 and thus form a lateral, refractory closure of the cavity 10.
  • the protective strips 32 are cast, for example, of concrete and there are at the edge of the connection points of the plates 1, 11 still additional Vergusstaschen 33 arranged.
  • the Vergusstaschen 33 form the connection to the beams 16 and are poured with grout.
  • a heavy-duty connection between the plates 1, 11 on the one hand and the beams 16 is achieved.
  • FIGS. 19 and 20 show the detail sections according to the section line 1-1 and 2-2 in FIG. 17 ,
  • the Vergusstaschen 33 serve as a connection connection of the respective base plate 1 to the support 17 in conjunction with the beam 16, wherein the connecting joint 35 is overlapped by the Vergusstasche 33 upwards, so that there takes place a backup of the connecting joint 35.
  • barrier strips 32 interrupt the cavity 10 and thus form a lateral, refractory conclusion of the cavity.
  • FIG. 20 shows more details of FIG. 19 , where it can be seen that the Vergusstaschen 33 overlap the terminal joint 35 and secure. Furthermore, it can be seen that the prefabricated beam 16 is additionally placed on each support 17 as a precast element. According to the invention, the connecting elements 5 are also cast in the underlay 16, which are present in pairs in the exemplary embodiment shown. Thus, the upper cover plate 11 with its recesses 14 pass through the upper part of the connecting elements 5 and are connected there to the beam 16 by a pouring method.
  • the cover plate 11 passes over the support 17 and the beam 16 and is connected there via the connecting elements 5 to the beam 16.
  • FIG. 21 shows as a modified embodiment opposite FIG. 20 in that a mushroom head identical to the ceiling is also formed on the support 17 of the underlay 16 according to the invention.
  • It is an in-situ concrete slab 34, which is poured out in place so as to transmit greater forces from the cover plate 11 to the support 17.
  • the in-situ concrete plate 34 is thus cast in the cavity between the lower base plate and the upper cover plate 11, thus forming a solid force-transmitting element, the connecting strips 2 at this point bridged and reinforced load-transmitting. This is on average in FIG. 21 entered.
  • the better graphic illustration of the in-situ concrete slab 34 is shown hatched, it extends from the left connection joint 35th to the right connection joint 35, as in FIG. 22 shown.
  • FIG. 23 shows an extension of a double-shell sandwich construction, consisting of the lower base plate 1, the connecting strip 2 and the cover plate 11.
  • a footfall sound insulation 36 is applied to the cover plate 11, which consists of any material, such.
  • a Perlitt bed made of softboard or the like.
  • dry screed plates 37 are applied, on which a conventional floor covering is applied.
  • the marked joints 38 are filled on site with a casting compound.
  • FIGS. 24 to 27 show various embodiments of connecting elements 5, as they are installed in the connecting strip 2.
  • FIG. 24 shows a connecting strip 2, which consists of a filling body 26 in which one or more brackets 6 are formed as connecting elements 5.
  • connection strip 42 instead of a bow-shaped connecting element 5 in the connecting strip 2, other connecting strips can be used, which are not necessarily reliant on a packing.
  • FIG. 25 If the filling body can be dispensed with and a connection strip 42 produced in this way then consists only of a profiled sheet metal part 43 which is cast with the lower end in the composite of the base plate 1 and engages with its upper end in the recesses 14 of the upper cover plate 11 and there also poured out becomes.
  • a horizontally profiled sheet metal part 43 can as further embodiments of a connecting strip 44 according to FIG. 26 also a profiled in the vertical direction sheet metal part can be used, the profile ribs 45 which are formed vertically standing, wherein the sheet metal part itself formed the connecting strip 44.
  • FIG. 27 a connecting strip 46 which consists of a wire cage 47 in which one or more brackets 6 are embedded. Such a wire cage 47 is used as a load-transmitting connection strip 46.
  • the embodiments according to FIGS. 25 to 27 explain that it is not necessary solution to produce the connecting strips 2 of a precast concrete part.
  • the connecting strips 42, 44, 46 may also be formed self-supporting as metal parts.

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Claims (10)

  1. Procédé pour fabriquer un système de plafond en construction sèche avec une structure sandwich composée d'au moins deux plaques préfabriquées (1, 11) reliées entre elles, selon lequel lors d'une première opération la première plaque préfabriquée est fabriquée par coulage, dans une usine d'éléments préfabriqués, sous la forme d'une plaque de base (1, 1a, 1b) et est reliée sur au moins un côté à des bandes de liaison (2 ; 42, 44, 46), lors d'une deuxième opération la deuxième plaque préfabriquée est fabriquée par coulage, dans une usine d'éléments préfabriqués, sous la forme d'une plaque de recouvrement (11, 11a, 11b), lors d'une troisième opération les deux plaques préfabriquées (1, 1a, 1b, 11, 11a, 11b) sont amenées sur le chantier et c'est tout d'abord les plaques de base inférieures (1a, 1b) qui sont posées, dans la zone de leurs joints (35), sur une paroi (27) disposée au milieu, et lors d'une quatrième opération les deux plaques préfabriquées (1, 11) sont reliées pour former une structure sandwich en construction sèche grâce au raccordement des bandes de liaison (2, 42, 44, 46) de la première plaque de base (1) à la deuxième plaque supérieure (11), ladite plaque supérieure (11) étant posée de manière centrale sur la zone centrale, sur la paroi centrale (27), et lors d'une étape de fabrication suivante deux plaques de recouvrement (11a, 11b) situées à l'extérieur sont raccordées à la plaque de couvrement centrale (11).
  2. Procédé selon la revendication 1, caractérisé en ce que sur le chantier, la première plaque préfabriquée (1) est posée, avec les bandes de liaison (2, 42, 44, 46) rapportées et des éléments de liaison (5) dirigés vers le haut, sur des appuis associés (16, 17, 27), et en ce que la deuxième plaque préfabriquée (2) est posée avec des creux (14) correspondant aux éléments de liaison (5) sur la première plaque préfabriquée (1) de telle sorte que les éléments de liaison (5) de la première plaque préfabriquée (1) traversent au moins en partie les creux (14) de la deuxième plaque préfabriquée (11), après quoi les creux (14) sont alors scellés dans ladite deuxième plaque préfabriquée (11).
  3. Système de plafond en construction sèche, composé d'une structure sandwich à au moins deux parois formée de deux plaques préfabriquées (1, 11) espacées parmi lesquelles la plaque inférieure est conçue comme une plaque de base (1, 1a, 1b) et la plaque supérieure comme une plaque de recouvrement (11), et la cavité (10) entre les deux plaques préfabriquées (1, 1a, 1b, 11) est comblée par une bande de liaison (2, 42, 44, 46) qui transmet des charges de pression et de traction entre les deux plaques (1, 1a, 1b, 11) et qui est apte à être reliée avec son extrémité inférieure à la plaque de base (1), et avec son extrémité supérieure à la plaque de recouvrement (11) par l'intermédiaire d'éléments de liaison (5),
    caractérisé en ce qu'il est prévu, posées sur une paroi centrale (27), des traverses (16) qui couvrent les joints (35) des plaques de base (1a, 1b) posées sur la paroi centrale (27), et en ce qu'il est prévu, posée de manière centrale dans la zone centrale sur la paroi centrale (27), une première plaque de recouvrement (11) qui couvre avec ses creux les éléments de liaison (5) et est apte à être fixée à cet endroit.
  4. Système de plafond selon la revendication 3, caractérisé en ce que la bande de liaison (2) se compose d'un corps de remplissage (26) dans lequel sont coulés un ou plusieurs éléments de liaison (5) qui dépassent, aux deux extrémités verticales, dudit corps de remplissage (26) .
  5. Système de plafond selon la revendication 4, caractérisé en ce que l'élément de liaison (5) est conçu comme une armature en étrier semi-ouverte ou fermée (6) ou comme une tige à tête (20).
  6. Système de plafond selon l'une des revendications 3 à 5, caractérisé en ce que la bande de liaison (42, 44, 46) se compose d'une pièce métallique qui est apte à être fixée avec son extrémité inférieure dans le matériau de la plaque de base (1), et avec son extrémité supérieure dans le creux (14) de la plaque de recouvrement (11).
  7. Système de plafond selon l'une des revendications 3 à 6, caractérisé en ce qu'il est prévu dans la plaque de recouvrement (11) un certain nombre de creux (14), disposés de manière modulaire, à travers lesquels les parties supérieures des éléments de liaison (5) passent et sont aptes à être fixées à cet endroit par scellage avec une masse de scellage durcissable.
  8. Système de plafond selon l'une des revendications 3 à 7, caractérisé en ce que les bandes de liaison (2, 42, 44, 46) sont conçues comme des éléments dirigés longitudinalement et en forme de bandes, qui sont coulés avec leur extrémité inférieure dans le matériau de la plaque de base (1).
  9. Système de plafond selon l'une des revendications 3 à 8, caractérisé en ce que des bandes d'étanchéité réfractaires (32) délimitent latéralement la cavité verticale (10) entre les plaques (1, 11).
  10. Système de plafond selon l'une des revendications 3 à 9, caractérisé en ce que dans la traverse (16) sont coulés des éléments de liaison (5) qui traversent les creux (14) de la plaque de recouvrement (11) et qui sont reliés à celle-ci grâce à un procédé de scellement.
EP16000507.0A 2015-03-06 2016-03-03 Systeme de plafond en construction seche avec structure sandwich Active EP3064672B1 (fr)

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DE102015002861.8A DE102015002861A1 (de) 2015-03-06 2015-03-06 Deckensystem in Trockenbauweise mit einem Sandwich-Aufbau

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CN106522438A (zh) * 2016-12-22 2017-03-22 中冶京诚工程技术有限公司 一种装配式轻质楼板体系

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DE803938C (de) * 1949-03-22 1951-04-12 Wilhelm Geyer Stahlbeton-Hohlbalkendecke
DE2037690C3 (de) * 1970-07-29 1974-05-09 Rehm, Gallus, Prof. Dr.-Ing., 8000 Muenchen Verfahren zum Herstellen eines als bleibende Schalung für eine Stahlbetondecke dienenden Schalungselements
SE364540B (fr) * 1971-01-11 1974-02-25 Tellstedt Ab Rolf
DE2115846A1 (de) * 1971-04-01 1972-11-09 Kissel, Gernot, 6720 Speyer Tragelemente
NL1023761C2 (nl) * 2003-06-27 2004-12-28 Dycore B V Betonvloerdeel.
CH700349B1 (de) * 2007-11-14 2010-08-13 Eth Zuerich Verbunddecke mit integriertem Installationsboden.

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DE102015002861A1 (de) 2016-09-08

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