EP3258027B1 - Élément composite avec élément de béton préfabriqué plat destiné à la construction de parkings à étages - Google Patents

Élément composite avec élément de béton préfabriqué plat destiné à la construction de parkings à étages Download PDF

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Publication number
EP3258027B1
EP3258027B1 EP17176050.7A EP17176050A EP3258027B1 EP 3258027 B1 EP3258027 B1 EP 3258027B1 EP 17176050 A EP17176050 A EP 17176050A EP 3258027 B1 EP3258027 B1 EP 3258027B1
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EP
European Patent Office
Prior art keywords
precast concrete
textile reinforcement
fiber
concrete part
projections
Prior art date
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EP17176050.7A
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German (de)
English (en)
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EP3258027A3 (fr
EP3258027A2 (fr
Inventor
Oliver Heppes
Markus Mühlhaus
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Goldbeck GmbH
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Goldbeck GmbH
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Priority to PL17176050T priority Critical patent/PL3258027T3/pl
Publication of EP3258027A2 publication Critical patent/EP3258027A2/fr
Publication of EP3258027A3 publication Critical patent/EP3258027A3/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
    • 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
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • 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
    • E04B2005/176—Floor structures partly formed in situ with peripheral anchors or supports

Definitions

  • the invention relates to a flat precast concrete part for the construction of parking garages according to the preamble of claim 1 and a composite component for the construction of parking garages according to the preamble of claim 2 and their use.
  • concrete parts for example for the construction of buildings or bridges, with steel components. These are placed in the formwork, which is then finally filled with concrete.
  • This is a slack reinforcement, whereby the concrete absorbs the compressive forces and the steel component absorbs the tensile forces.
  • Due to the nature of concrete the steel components embedded in it are exposed to corrosion and consequently lose their ability to absorb tensile forces over time, which leads to unwanted cracks and damage to the building or the bridge. As a result, expensive renovations and maintenance measures are necessary.
  • the diameter of the steel components or steel mats determine the corresponding wall thickness and concrete cover (distance from the surface of the concrete component to the reinforcement) of the concrete casing, so that a large volume of concrete is always required for casting, which in combination with the respective steel component also becomes one high weight load on the building or bridge.
  • Composite components of the aforementioned type are from EP 2 894 272 A2 known, in which the flat precast concrete parts are connected by means of outwardly protruding loops or meshes with head dowels which are arranged along the support element. The individual head dowels are separately and individually connected to the carrier element.
  • a flat precast concrete part for the construction of parking garages comprising at least one net-like textile reinforcement, at least partially arranged within the precast concrete part, which has the function of completely absorbing the internal tensile stresses acting on the precast concrete part.
  • This functionality is illustrated by the following description of the textile reinforcement designs.
  • the flat precast concrete part is advantageously designed as a precast concrete ceiling part and / or precast wall concrete part for the construction of parking garages, the flat precast concrete part is even more advantageous as a prefabricated building ceiling concrete part and / or prefabricated building wall concrete part and the precast concrete part described here is particularly advantageously designed as a precast concrete car park ceiling part and / or precast car park wall concrete part.
  • the flat precast concrete elements described here are advantageously prefabricated in the factory and are then connected to one another and / or the carrier element in a force-locking manner by joint sealing on site, so that a shear-proof connection is created. It is also advantageous to use this active connection additionally stabilized by means of a frictional connection between the textile reinforcement of the precast concrete part and the composite strip, which is designed to be connected to the carrier element, by casting and curing with concrete. This creates a shear-proof connection and a finished composite component on the construction site.
  • the flat precast concrete part has at least one net-like textile reinforcement which has a large number of through openings in the form of meshes.
  • the number and size of the meshes depend on the concrete used for the precast concrete part.
  • the meshes of the textile reinforcement are designed in such a way that when pouring liquid, homogeneous concrete, its homogeneity is maintained and the concrete components are not separated.
  • the textile reinforcement can also be understood to mean that it is two-dimensional (biaxial) and / or three-dimensional (multiaxial and multilayer).
  • the textile reinforcement described here is used in the composite component described here with a flat concrete part.
  • the reinforcement as a textile, advantageously from a large number of fibers and / or fiber bundles, even more advantageously from a large number of high-performance fibers and / or fiber bundles formed from high-performance fibers, the wall thickness of the precast concrete element can be significantly reduced compared to known precast reinforced concrete elements.
  • the net-like, biaxial textile reinforcement itself advantageously has a thickness of approx. ⁇ 1.0 mm to approx. 50 mm and certainly greater.
  • a total thickness of the biaxial textile reinforcement in the range from 1 mm to 6 mm is particularly advantageous.
  • the thickness of the textile reinforcement is determined advantageously in each case according to the diameter and the number of fibers and / or fiber bundles used for the textile reinforcement.
  • the textile reinforcement is formed from individual fibers, with at least one first type of fibers, for example longitudinal fibers, and at least one second type of fibers, the second type of fibers at a predeterminable angle to the first type Fiber is arranged.
  • the second type of fibers is designed as transverse fibers, which are arranged perpendicular to the longitudinal fibers. Longitudinal fibers and transverse fibers each form a fiber layer.
  • the connection of the two fiber layers to one another can be followed by known binding processes such as satin weave, linen weave or the like.
  • the fiber layers to be non-positively and / or positively connected by or additionally by a type of gluing with chemical coatings or resins, similar to the welding of steel reinforcement mats.
  • Fiber bundles are advantageously to be understood as meaning a large number of fibers, for example 2 to 350,000.
  • the fibers of the fiber bundles can be parallel to one another and / or twisted in their longitudinal course. The twisting can improve the absorption of tensile force. It is also conceivable to wrap further fibers around the fiber bundle of at least one fiber layer in order to improve the adhesive properties between the textile reinforcement and the concrete.
  • the concrete used for the planar precast concrete part according to the invention corresponds to DIN EN 206.
  • the concrete of the planar precast concrete elements advantageously has a grain size of 0.025 mm - 4.0 mm in the range of approx. 36% - 74% of the maximum grain size of 16 mm Total grain composition, a grain size of> 4.0 mm - 8.0 mm in the range of approx. 14% - 24% of the total grain composition, and a grain size of> 8.0 mm - 16.0 mm in the range of approx. 12 % - 40% of the total grain composition.
  • the concrete of the two-dimensional precast concrete elements has a grain size of 0.025 mm - 4.0 mm in the range of approx. 23% - 65% of the total grain composition, a grain size of> 4.0 mm - 8.0 mm in the range of approx. 12 % - 15% of the total grain composition, a grain size of> 8.0 mm - 16.0 mm in the range of approx. 12% - 24% of the total grain composition, and a grain size of> 16.0 mm - 32.0 mm Range of approx. 11% - 38% of the total grain composition.
  • An essential point of the flat precast concrete part is that the textile reinforcement can have fiber arches protruding at least partially outside of the precast concrete part.
  • the textile reinforcement is arranged flat within the precast concrete part, although this is not to be understood as limiting to a single textile reinforcement.
  • the textile reinforcement is consequently arranged predominantly on the inside, advantageously essentially parallel to the base and / or top surface of the flat precast concrete part.
  • the protruding fiber arches are. continuously formed from at least one fiber bundle and have at least one continuous opening.
  • the textile reinforcement is formed at least by a first fiber layer and a second fiber layer, the first fiber layer being formed from at least one transverse fiber bundle, which is laid in a meandering course in a first direction, and the second fiber layer from a plurality is formed on longitudinal fiber bundles arranged at a distance from one another and the transverse fiber bundles are arranged in a direction different from the first direction, the at least one transverse fiber bundle of the first fiber layer being designed as laterally protruding fiber arches at least in lateral areas opposite the second fiber layer.
  • the network structure of the textile reinforcement results from the arrangement of the two fiber layers.
  • the two fiber layers are advantageously designed to be fixed to one another at their crossing points, for example looped, linked or glued to at least one plastic.
  • the textile reinforcement has fiber arches on at least two sides. These can be designed alternately and / or continuously.
  • the fiber arches are arranged therein in such a way that they at least partially, advantageously completely, protrude from the cured precast concrete part and are embodied without concrete.
  • the net-like main part of the textile reinforcement is then cast within the precast concrete part and effects its flat reinforcement.
  • the laterally protruding fiber arches advantageously serve as linking elements with which further operative connections can be made.
  • the textile reinforcement has a large number of non-metallic fibers.
  • These are advantageously high-performance fibers with a high modulus of elasticity, advantageously in the range from 70,000 to 320,000 MPa.
  • the fibers can be mineral fibers, such as glass fibers or wollastonite fibers.
  • the fibers it is also conceivable to design the fibers as carbon fibers, polymer fibers, polyolefin fibers, aramid fibers, basalt fibers, (non) oxide ceramic fibers, such as, for example, consisting of aluminum oxide or silicon carbide, natural fibers.
  • the different fiber types of a respective fiber bundle are randomly distributed in the fiber bundle.
  • a controlled arrangement of a core-shell structure is advantageous.
  • the carbon fibers are designed as a core, which is enclosed by the second type of fiber as a sheath.
  • each fiber arch of the textile reinforcement has at least two fastening areas, at which the fiber arches of the first fiber layer are firmly connected to longitudinal fiber bundles of the second fiber layer.
  • the additional fixation in the fastening areas reinforces the mesh structure of the textile reinforcement and improves the absorption of force.
  • the attachment can take place for example by further binding fibers, which fix the fiber sheets at their intersection with the second fiber layer on this.
  • fixation by gluing or coating is also conceivable, for example with a plastic and / or a silane-containing size.
  • the entire textile reinforcement can also be designed with such a coating. It is particularly advantageous to use thermoplastic resins for the plastic coating, such as epoxy resin or polyurethane resin, for example.
  • thermoplastic resins such as epoxy resin or polyurethane resin, for example.
  • solvent-based or solvent-free polymer dispersions can also be used.
  • the fiber arches of the textile reinforcement are particularly advantageously designed as continuous loops. These loops can be created particularly simply and easily due to the meandering shape of the laying of the transverse fiber bundles.
  • the continuous design ensures that stable active connections can also be entered into with other components in order to dissipate the forces absorbed by the textile reinforcement again.
  • the fiber arches are U-shaped and / or teardrop-shaped.
  • the U-shaped configuration of the fiber arches represents the simplest embodiment.
  • Each loop here has two legs with which it is fixed to the adjacent longitudinal fiber bundle in the fastening areas. Both legs are spaced apart from one another by means of a curved base.
  • the base and the longitudinal fiber bundle are advantageously arranged opposite one another and also spaced from one another by an opening. Particularly advantageous in the two legs formed symmetrically to one another.
  • the length ratio of the leg to the base is 1.5: 1; 2: 1; 2.5: 1; 3: 1; 3.5: 1; 4: 1; 4.5: 1; 5: 1; 5.5: 1; or 6: 1 selected.
  • leg-base ratio also determines the size of the opening, more advantageously its inner diameter.
  • leg-to-base ratios of 1: 1.5; 1: 2; 1: 2.5; 1: 3; 1: 3.5; 1: 4; 1: 4.5; 1: 5; 1: 5.5 or 1: 6 possible are. All of these relationships have in common that they form a sufficiently large opening between the legs, base and longitudinal fiber bundle. Sizes for the inner diameter of the U-shaped loops in the range from 0.5 to 12 cm have proven particularly advantageous.
  • a teardrop-shaped geometry of the loops is also advantageous for better absorption of tensile loads and avoidance of cracks when embedded in concrete.
  • the fastening areas of the respective fiber sheet are arranged closer to one another than is the case with the U-shaped configuration of the loops.
  • the formation of the loops as double loops, for example in the form of a standing "8" has also proven to be advantageous for avoiding cracks and absorbing force due to the additional fiber bundle crossing and fixing.
  • the at least one transverse fiber bundle which has the meandering course, is designed as a continuous fiber bundle particularly advantageously. If only one transverse fiber bundle is provided for forming the fiber arches, its meandering course always causes at least one flaw between two fiber arches. In the concreted state, this means that, for example, a fiber arch is formed on the left side of the precast concrete part and at the same level, a defect is caused on the opposite right side and vice versa. This results in an alternating sequence of laterally protruding fiber arches.
  • a further advantageous embodiment of the precast concrete part provides textile reinforcement which, instead of the imperfections, has additional fiber arches, so that continuous rows of fiber arches result.
  • a further, third fiber layer is arranged, which is also arranged in a meandering course, but opposite to the first fiber layer. Due to the opposing arrangement of the third fiber layer, which also consists of fibers and / or at least one fiber bundle, the above-described imperfections are filled and a continuous string of fiber sheets is formed.
  • These further fiber arches of the third fiber row are also advantageous in turn firmly connected to longitudinal fiber bundles of the second fiber layer, for example glued, looped or linked.
  • the textile reinforcement described here due to its network structure and the special arrangement and / or design of the fiber arches, is ideally suited to completely absorbing the tensile forces acting on the precast concrete part.
  • the biaxial textile reinforcement described here is designed as an end anchor.
  • the composite component for the construction of parking garages has at least one flat precast concrete part, as described above, the precast concrete part having at least one mesh-like textile reinforcement at least partially arranged within the precast concrete part, the textile reinforcement having fiber arches protruding at least partially outside the precast concrete part .
  • the composite component has at least one carrier element for receiving the at least one precast concrete part.
  • the carrier element is arranged below the flat precast concrete part, so that it is designed to be supported on the carrier element.
  • the carrier element serves to transfer the load and also to further transfer the tensile forces in order to avoid cracks and damage to the flat precast concrete part.
  • the carrier element is designed as a steel beam or made of concrete in a C shape or as a double-T beam.
  • the carrier element is particularly advantageously designed in such a way that two flat precast concrete parts can be placed on it.
  • the textile reinforcement has the particular function that it completely absorbs the internal tensile loads acting on the precast concrete part
  • An essential point of the composite component is that it also has a composite strip for dissipating the forces absorbed by the at least one textile reinforcement, the composite strip and textile reinforcement being operatively connected to one another by means of joint casting for force transmission.
  • This active connection between the composite strip and textile reinforcement can ensure that the tensile loads absorbed by the textile reinforcement from the precast concrete part are passed on through the casting to the composite strip and consequently are completely diverted from the textile reinforcement into the carrier element via the operative connection with the composite strip.
  • the composite strip is particularly advantageously designed to be continuous, so that this enables both a significantly better distributable tensile force absorption from the textile reinforcement and a significantly improved force dissipation into the carrier element.
  • the service life of composite strips of this type is also significantly increased, since their material stress when force is introduced and dissipated is significantly reduced due to the fixed and / or one-piece design with the carrier element. The entire composite component is thus more stable and the formation of cracks in the concrete is minimized.
  • the operative connection between the composite strip and textile reinforcement is designed such that the textile reinforcement of the precast concrete part has at least partially outwardly projecting fiber arches over the precast concrete part, which are at least partially, advantageously completely, guided around the composite strip.
  • the arrangement of the fiber arches, advantageously the protruding loops of the textile reinforcement allows them to be guided at least partially over and / or around the composite strip, so that the operative connection (composite effect) results.
  • the fiber arches run around the composite strip continuously, so that the force absorption by the composite strip is more steady and more reliable than is known from the prior art. Break points in the composite strip are also avoided, so that a permanent and reliable transmission of force via the composite strip into the carrier element always takes place.
  • it is advantageous, particularly in the case of large carrier element lengths or curved carrier elements to have several and / or to arrange interrupted composite strips, which are arranged, for example, butt against one another.
  • the at least one composite strip has a first, lower section which forms a common contact surface with the at least one carrier element and / or is firmly and / or integrally connected to the at least one carrier element.
  • This first, lower section of the composite bar represents the connecting piece of the composite bar with the carrier element.
  • the composite bar is made of sheet steel and is firmly welded to the at least one carrier element. Material thicknesses of the composite strip in the range from 3 mm to 20 mm have proven to be advantageous. This ensures sufficient stability with little space requirement.
  • the composite strip is formed from other metal materials, ceramic or plastic. In addition to welding, gluing or clinching of individual components of the composite component described here is also conceivable.
  • the carrier element and composite strip are already manufactured and designed in one piece, so that weld seams or other fastening connections can be completely dispensed with.
  • the first, lower section of the composite strip is advantageously designed as a stabilizing and force-transmitting base section. It can have a cuboid shape, a trapezoidal shape or similar geometric configurations. In particular, a large common contact area between the composite strip and the carrier element results in a good transfer of force from the base section to the carrier element.
  • the base section is designed to be continuous.
  • the at least one composite strip has a second section, which is arranged vertically offset from the first section, for receiving the textile reinforcement. Both sections form the one-piece composite strip.
  • the second section is consequently arranged above the first section and serves to accommodate the textile reinforcement, advantageously the protruding fiber arches Textile reinforcement, which protrude beyond the ceiling and / or base of the precast concrete part. In this way, the corresponding operative connection between the composite strip and textile reinforcement for the derivation of tensile loads from the precast concrete part can be successfully formed.
  • the upper, second section of the composite strip has a large number of projections.
  • the projections are designed as elevations, over which the fiber arches of the textile reinforcement, more advantageously the loops of the textile reinforcement, can be transferred and / or slipped over and are held in their transferred and / or slipped position by the corresponding projections and / or protrusions and thus forms an operative connection.
  • the fiber arches of the textile reinforcement are advantageously designed to be fixed in terms of their size and / or their outline.
  • Each fiber sheet is advantageously designed as a loop and consequently has at least one continuous opening. In this case, the diameter of the opening of each fiber sheet is made larger than the outer diameter of the projections, so that each fiber sheet can be loosely guided and / or placed over the respective projection.
  • the projections are arranged vertically aligned. This ensures that the fiber arches can be easily and quickly guided over the projections on the construction site without the need for special equipment or great application of force.
  • the precast concrete part is therefore particularly easy to lay and then cast as a composite component.
  • the projections have a smaller diameter in a first area than in a second, free end area.
  • the projections advantageously extend vertically upwards and are consequently arranged with their first end firmly on the lower section of the composite strip or formed in one piece with it.
  • the second, free end of the projections is arranged opposite.
  • the projections have at least one material taper in a first area, which is advantageously formed on the circumference.
  • the projections are mushroom-shaped. This is advantageous because the material taper is then formed below an enlarged free end of the projection.
  • the free end is rounded and / or designed with rounded edges, so that the fiber arches can be easily slipped on and / or slipped onto the projections.
  • the material taper arranged below the free rounded end of the projections serves to correspondingly fix the fiber arches to the projections of the composite strip. An undesirable one Sliding down or detachment of the fiber sheets from the projections is thus avoided.
  • the projections are undulating in the vertical direction.
  • the undulation is particularly advantageously designed as an S-curve.
  • This S-curve course of the projections in the vertical direction is particularly gentle on the material, since the rounded, undulating course avoids fiber cracks during assembly. Nevertheless, this S-curve offers a sufficient operative connection for the transfer of forces from the textile reinforcement to the composite strip.
  • At least one fiber sheet of the textile reinforcement is assigned to each projection. This is advantageous because it enables the best possible force dissipation with the best possible operative connection. However, it is not to be understood as limiting, so that it is also conceivable, especially in the case of three-dimensional textile reinforcements, that more than one fiber arch, for example two or three fiber arches lying one above the other, is assigned to each projection. This can. the operative connection and the power transmission are significantly strengthened and crack formation is reduced or even avoided.
  • the flat precast concrete part described here advantageously has the laterally protruding fiber arches formed by the textile reinforcement on at least two sides.
  • the composite strip is designed to be fixed and / or in one piece with the carrier element and has the projections extending vertically upward.
  • the carrier element with the composite strip arranged thereon is now first provided.
  • At least one precast concrete part is supported in half on the carrier element, for example a steel girder or concrete girder.
  • the protruding fiber arches of the textile reinforcement are guided over the projections of the composite strip and thus an operative connection is formed.
  • the area of the composite strip and fiber arches can then be potted or another precast concrete part, as just described, is placed on the other free half of the carrier element and the fiber arches are arranged around the projections.
  • Both precast concrete parts are then advantageously cast and grouted together with the composite strip and / or the carrier element with a force fit.
  • the fiber arches of the textile reinforcement are arranged in recesses in the precast concrete part.
  • the fiber arches are advantageously open flat on one side, advantageously on the underside. The simple slipping over and / or transferring of the fiber sheets from above onto the composite strip below can thus always be ensured.
  • the base area of the precast concrete element which is at least partially supported on the carrier element, is consequently shorter in sections than the top area which spans and covers the base area in the area of the recesses.
  • the fiber arches are arranged protruding precisely in the free space that this creates.
  • the precast concrete part has at least two cutouts, each cutout extending as a lateral channel with fiber arches arranged therein. This is of course not to be understood as limiting, so that it is also conceivable that at least protruding fiber arches are also arranged on the end faces of the precast concrete part. These can also be provided in corresponding recesses.
  • the recesses when grouting and / or pouring with liquid concrete or another pouring material, for example plastic or asphalt, are designed to be self-venting.
  • the recesses have at least one inclined plane which is designed to rise towards the free edge of the precast concrete part.
  • the potting material is filled into the recesses, these are sealed from below by the carrier element.
  • the liquid potting material fills the recess from bottom to top and consequently also connects the composite strip with the fiber arches.
  • the inclined plane forms the ceiling area of the respective recess, so that the liquid potting material is slowly guided along the inclined plane and the recess is filled without air inclusions. Thus, when pouring, excess air volume can rise along the inclined plane and be successfully removed.
  • the inclined plane of the recess particularly advantageously has a slope in the range from 0.5 ° to 10 °, more advantageously in the range from 3 ° to 6 °.
  • lateral formwork elements can also be provided, which limit the flow of potting material and enable the composite component to be flush.
  • formwork elements and / or molded parts are provided during the production of the precast concrete part, which are filled with liquid concrete in order to form the correspondingly shaped precast concrete part with recesses and inclined plane formed therein.
  • the recesses it is advantageous for the recesses to be trapezoidal to expand outwards or inwards. This means that potting can take place much faster.
  • the composite component Forces acting better from the composite strip into the composite component, for example a precast concrete element, and vice versa. be diverted.
  • the textile reinforcement is designed as high-performance textile reinforcement, which is particularly suitable for building up a park.
  • the composite component described here as a wall concrete slab and / or ceiling concrete slab in car park construction, building construction, bridge construction or general engineering and building construction. It is also advantageous to use the precast concrete part as a component of wall concrete slabs and / or ceiling slabs in parking garage construction, building construction, bridge construction or general engineering and building construction.
  • Fig. 1 shows a sectional side view of a composite component 1 that has been assembled but not yet finally cast.
  • the precast concrete part 4 is formed supported on the carrier element 2.
  • the carrier element 2 is designed as a steel carrier or concrete carrier.
  • the longitudinal extension of the composite strip 6 is fixedly arranged on the carrier element 2, for example welded with a weld seam 29 or already provided in one piece with the carrier element 2.
  • the composite strip 6 has a first, lower section 8, which is designed to be firmly connected to the carrier element 2.
  • This lower section 8 is designed as a continuous base section and serves to transfer the force into the carrier element 2.
  • the composite strip 6 In the vertical direction, offset from the first, lower section 8, the composite strip 6 has a second, upper section 10, which has a multiplicity of projections 12 extending vertically upward.
  • the projections 12 are arranged at a distance from one another, advantageously equidistantly in order to enable a uniform absorption of force.
  • the spacing of the projections 12 is sufficient so that the fiber arches 14 of the textile reinforcement can be guided between the projections 12. So that the fiber sheets 14 can also enter into a corresponding operative connection with the projections 12, the projections 12 have a material taper 16, which is followed by a free end 18 with a wider diameter.
  • the undulating, advantageously the S-curve-shaped profile 20 of the projections is shown particularly advantageously in this side view.
  • the fiber sheets 14 can be guided particularly easily over the material thickening of the upper free end 18, in order then to be below this free end 18 in the material taper 16 after potting z. B. to enter into the operative connection with liquid concrete or mortar and to be held sufficiently.
  • the fiber arches 14 engage under the free ends 18.
  • the recesses 26 are filled with liquid potting material, for example concrete, which then hardens and enables the frictional connection between composite strip 6 and precast concrete part 4 or the fiber sheets 14. Only through this potting and the resulting frictional connection between precast concrete part 4 and carrier 2 can the forces in precast concrete part 4 and carrier 2 be brought into internal equilibrium through composite strip 6 and loops 14 and introduced or discharged into textile reinforcement 24. Thus, cracks and damage to the precast concrete part 4 and consequently also to the entire building can be almost completely avoided.
  • liquid potting material for example concrete
  • FIG. 2 A corresponding schematic plan view of a composite component 1 is shown, the same components as in FIG Fig. 1 are identified by the same reference numerals.
  • the composite strip 6 or its projections 12 are completely encompassed by the fiber arches 14 of the textile reinforcement 24.
  • the fiber sheet 14 is shown, which is arranged at a sufficient distance from the projection 12 so that it can be loosely guided over it.
  • this is only one exemplary embodiment.
  • the fiber sheet 14 runs directly along the projection 12 and forms a common, circumferential contact surface therewith (not shown).
  • the fiber sheets 14 are arranged in recesses 26, which then, for frictional connection, are still z. B. must be filled or cast with liquid concrete.
  • the recesses 26 are designed to be interrupted, so that only one fiber sheet 14 is arranged in each recess 26.
  • the shape of the recesses 26 is trapezoidal and widens outwards. This is in addition to the inclined ceiling plane of the recess (not shown) for self-venting of the recess 26, which is additionally promoted by the trapezoidal shape and air bubbles can more easily flow out of the filling material.
  • the advantageous trapezoidal design of the recess from the non-positive Composite effect of both components namely. Precast concrete part 4 and carrier 2, better introduced or removed from the carrier 2 in the precast concrete part.
  • FIG. 3 Another schematic side view of part of a composite component 1, the same reference numerals here also corresponding to the same components and not being explained again.
  • the precast concrete part 4 has two textile reinforcements 24, which are advantageously arranged parallel to one another and spaced apart from one another in the precast concrete part 4.
  • Fig. 3 It can be seen that only a textile reinforcement 24 enters into an operative connection with the composite strip 6, whereas the further textile reinforcement 24 above the first textile reinforcement 24 is arranged completely within the precast concrete part 4 and is used purely for reinforcing the concrete.
  • the fiber sheets 14 are first guided and / or turned over the projections 12 of the composite strip 6 on site.
  • this operative connection must be correspondingly with z. B. liquid concrete are filled. This can be done, for example, by the formwork element (not shown) which laterally delimits the recess 26.
  • a further precast concrete part 4 on the free half of the carrier element 2, mirror-symmetrically to the first precast concrete part 4 shown here.
  • the recesses 26 of the two precast concrete parts 4 arranged butted are then advantageously arranged opposite one another, so that pouring with liquid concrete can take place from above through the joint and the recesses 26 are filled with liquid concrete in a correspondingly self-venting manner. This creates the desired frictional connection.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Bridges Or Land Bridges (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Panels For Use In Building Construction (AREA)

Claims (8)

  1. Elément composite (1) destiné à la construction de parkings à étages,
    - comportant un élément de béton préfabriqué plat (4),
    - lequel présente au moins une armature textile (24) en forme de filet, disposée au moins partiellement à l'intérieur de l'élément de béton préfabriqué (4),
    - l'armature textile (24) présentant des arcs de fibres (14) saillant au moins partiellement à l'extérieur de l'élément de béton préfabriqué (4),
    - comportant un élément support (2) destiné à recevoir l'au moins un élément de béton préfabriqué (4),
    - comportant au moins une bande composite (6) destinée à dissiper les forces absorbées par l'au moins une armature textile (24), la bande composite (6) et l'armature textile (24) étant reliées fonctionnellement l'une à l'autre pour la transmission de force,
    - l'au moins une bande composite (6) présentant une première section inférieure (8) qui forme une surface de contact commune avec l'au moins un élément support (2) et/ou est reliée de manière fixe à l'au moins un élément support (2),
    - l'au moins une bande composite (6) présentant une seconde section (10) disposée verticalement de manière décalée par rapport à la première section (8) et destinée à recevoir l'armature textile (24),
    - la seconde section supérieure (10) de la bande composite (6) présentant une pluralité de saillies (12) et caractérisé en ce que
    - les saillies (12) sont formées de manière à onduler dans le sens vertical.
  2. Elément composite selon la revendication 1,
    caractérisé en ce que
    la liaison fonctionnelle entre la bande composite (6) et l'armature textile (24) est formée de telle sorte que l'armature textile (24) présente des arcs de fibres (14) saillant au moins partiellement de l'élément de béton préfabriqué (4) vers l'extérieur, lesquels arcs courent au moins partiellement autour de la bande composite (6).
  3. Elément composite selon la revendication 1 ou 2,
    caractérisé en ce que
    les saillies (12) sont orientées verticalement.
  4. Elément composite selon l'une des revendications 1 à 3,
    caractérisé en ce que
    les saillies (12) présentent un diamètre plus petit dans une première zone que dans une seconde zone d'extrémité libre (18).
  5. Elément composite selon la revendication 4,
    caractérisé en ce que
    les saillies (12) ont la forme d'un champignon.
  6. Elément composite selon l'une dès revendications 1 à 5,
    caractérisé en ce que
    au moins un arc de fibre (14) de l'armature textile (24) est associé à chaque saillie (12).
  7. Elément composite selon l'une des revendications 1 à 6,
    caractérisé en ce que
    les arcs de fibres (14) de l'armature textile (24) sont disposés dans des évidements (26) de l'élément de béton préfabriqué (4).
  8. Elément composite selon la revendication 7,
    caractérisé en ce que
    les évidements (26) sont formés de manière à être auto-ventilés lors du jointoiement.
EP17176050.7A 2016-06-17 2017-06-14 Élément composite avec élément de béton préfabriqué plat destiné à la construction de parkings à étages Active EP3258027B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17176050T PL3258027T3 (pl) 2016-06-17 2017-06-14 Element zespolony z płaskim prefabrykatem betonowym do budowy parkingów wielopoziomowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016103223.7U DE202016103223U1 (de) 2016-06-17 2016-06-17 Flächiges Betonfertigteil zum Bau von Parkhäusern, Verbundbauteil zum Bau von Parkhäusern sowie deren Verwendung

Publications (3)

Publication Number Publication Date
EP3258027A2 EP3258027A2 (fr) 2017-12-20
EP3258027A3 EP3258027A3 (fr) 2017-12-27
EP3258027B1 true EP3258027B1 (fr) 2020-12-23

Family

ID=56498021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17176050.7A Active EP3258027B1 (fr) 2016-06-17 2017-06-14 Élément composite avec élément de béton préfabriqué plat destiné à la construction de parkings à étages

Country Status (5)

Country Link
EP (1) EP3258027B1 (fr)
DE (2) DE202016103223U1 (fr)
DK (1) DK3258027T3 (fr)
ES (1) ES2857750T3 (fr)
PL (1) PL3258027T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102000534B1 (ko) * 2017-11-03 2019-07-17 한국건설기술연구원 거푸집 겸용 고내구성 텍스타일 보강 패널을 이용한 철근콘크리트 구조물 시공방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112007003736A5 (de) * 2007-10-17 2010-09-09 Ducon Gmbh Bauelement, insbesondere plattenförmiges Bauelement aus Beton und Betonzuschlagsmaterial
DE102009010764A1 (de) * 2009-02-26 2010-09-09 Kruno Stephan Thaleck Beton-Bauteil mit duktilem Verhalten
HUE027065T2 (en) * 2012-05-23 2016-08-29 Groz Beckert Kg Textile reinforced concrete building block
DE102013011083A1 (de) * 2013-07-02 2015-01-08 Groz-Beckert Kg Verfahren zum Herstellen eines Betonbauteils, vorgefertigtes Bauelement eines Betonbauteils sowie Betonbauteil
DE102014000316B4 (de) * 2014-01-13 2016-04-07 Goldbeck Gmbh Verbundbauteil aus auf Stahlträgern aufgelagerten Deckenbetonfertigteilen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3258027A3 (fr) 2017-12-27
EP3258027A2 (fr) 2017-12-20
DE202016103223U1 (de) 2016-07-04
ES2857750T3 (es) 2021-09-29
PL3258027T3 (pl) 2021-06-28
DE102017113130A1 (de) 2017-12-21
DK3258027T3 (da) 2021-03-08

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