EP3245346B1 - Plafond en béton - Google Patents

Plafond en béton Download PDF

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Publication number
EP3245346B1
EP3245346B1 EP16700593.3A EP16700593A EP3245346B1 EP 3245346 B1 EP3245346 B1 EP 3245346B1 EP 16700593 A EP16700593 A EP 16700593A EP 3245346 B1 EP3245346 B1 EP 3245346B1
Authority
EP
European Patent Office
Prior art keywords
displacement
longitudinal
grid
grids
retaining device
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.)
Active
Application number
EP16700593.3A
Other languages
German (de)
English (en)
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EP3245346A1 (fr
Inventor
Georg Miedzik
Hugo Meier
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.)
Heinze Gruppe Verwaltungs GmbH
Original Assignee
Heinze Gruppe Verwaltungs GmbH
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 Heinze Gruppe Verwaltungs GmbH filed Critical Heinze Gruppe Verwaltungs GmbH
Priority to RS20191515A priority Critical patent/RS59610B1/sr
Priority to MEP-2019-335A priority patent/ME03554B/fr
Priority to SI201630523T priority patent/SI3245346T1/sl
Priority to PL16700593T priority patent/PL3245346T3/pl
Publication of EP3245346A1 publication Critical patent/EP3245346A1/fr
Application granted granted Critical
Publication of EP3245346B1 publication Critical patent/EP3245346B1/fr
Priority to HRP20192116TT priority patent/HRP20192116T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0622—Open cages, e.g. connecting stirrup baskets
    • 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
    • E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
    • E04B5/328—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements the filling elements being spherical
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0457—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having closed internal cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • 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
    • E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
    • E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars

Definitions

  • the invention relates to a concrete pavement comprising at least one module according to the preamble of claim 1 and 3.
  • the concrete pavement can be made both in situ in situ method (in situ) and in the precast plant.
  • displacement body modules which are cast in concrete layers or concrete parts in order to make them lighter and at the same time less expensive, are basically known from the prior art.
  • the displacement bodies are typically used in lattice baskets, which at the same time make the concrete element to be manufactured more load-bearing.
  • the bars of the grid baskets usually made of steel, in particular of reinforcing steel.
  • Such a module is for example off EP 2075387 A1 known, which has an elongated, trough-like and in cross-section U- or trapezoidal mesh basket, which consists of four longitudinally extending longitudinal bars and perpendicularly thereto, substantially U-shaped or trapezoidal crossbars.
  • the longitudinal bars and cross bars are connected to each other and together form the grid body receiving the displacement bodies.
  • the crossbars are in this case arranged on the longitudinal bars, that each two adjacent crossbars together with the longitudinal bars define a receiving space for each one displacement body.
  • the receiving space is designed such that it surrounds or fixes the displacement body in such a way that the displacement body can be substantially prevented from slipping or slipping within the receiving space.
  • the mesh basket can be almost any size extend.
  • the displacement bodies can each be introduced into the respective receiving spaces by temporary widening of the two leg sides of the U-shaped or trapezoidal elastic grid basket via its open base side pointing downwards in the later installed state.
  • a concrete part such as a concrete floor
  • one or more of these modules are next to each other on Arm michsparn, positioned on a reinforcing mat, which in turn are arranged over a casing.
  • On the modules typically further reinforcing beams are arranged and the entire construct then poured with concrete.
  • the pouring can also be carried out step by step or in layers during the construction of the overall structure of reinforcing beams and modules.
  • the assembly of the EP 2075387 A1 known module is typically on the site, in particular, the grid body are usually already supplied as precast to the site.
  • the prefabricated, trough-like grid baskets can in principle be stacked in one another. Due to their voluminous shape, however, the mesh baskets require a lot of transport capacity despite the stackability.
  • the preceding step of the in-mold bending of the U- or trapezoidal crossbars and the subsequent joining, in particular welding, the crossbar with the longitudinal bars makes the preparation of such mesh baskets very expensive.
  • the US 2012/0200004 A1 discloses a court reduced ceiling construction, wherein the displacement body between a lower and an upper horizontally oriented grid of reinforcing steel are positioned. The two grids are then connected by hooks before concrete is poured. Each displacement body has at the top and the bottom of a ring of protruding ring segments, which are inserted into an opening of a lattice with play.
  • the delivery and positioning of the horizontal grid is complex and can be carried out in larger areas only by several people.
  • the US 2013/0212974 A1 a concrete casting process for the production of concrete parts using inclusion bodies made of plastic. These inclusion bodies can also be positioned between two horizontal steel grids, wherein optional hollow bodies are also positioned between the steel grids.
  • the steel mesh has a high weight and can therefore be processed only poorly.
  • the steel mesh are provided only in predetermined sizes, so that the alignment and assembly is relatively expensive.
  • the object of the invention is therefore to provide a concrete pavement with an improved module for the production of concrete pavement, in which the lattice for a simple and inexpensive to produce and on the other under stress as low transport capacities and beyond transportable with little logistical effort.
  • the essence of the invention is to replace the voluminous and costly to be produced grid baskets by a latticework, which consists only of at least two individual, preferably flat gratings, which correspond to the two leg sides of the known from the prior art grid baskets and in a simple manner the entirety of the displacement bodies arranged side by side in at least one row can be connected in such a way that all displacement bodies are captively held together in a captive manner by the two laterally flanking lattices in a substantially clasping manner.
  • the lattice work is formed from at least two individual, longitudinally extending grids, the grid surfaces are aligned transversely or inclined to the horizontal and the respective at least one first and one second longitudinal bar, which are parallel spaced from each other in the longitudinal direction , As well as a plurality of spaced-apart and transversely or inclined to the horizontal oriented transverse rods, which are respectively connected to the longitudinal bars, in particular welded, are.
  • At least one of the displacement bodies in each row has on its outside for each grid at least one first and at least one second holding device, which are designed and connected to one another for connecting the grids to displacement bodies are arranged, that in each case both grids by receiving the first longitudinal bar in the first holding device and receiving the second longitudinal bar in the second holding device are fixed at least positively and captively between the first and second holding means and thereby hold all the displacement body together.
  • the grid is fixed to the at least one first and second longitudinal bar on at least one displacement body, while the other displacement body in the series only by the two lattice of the at least one first and second longitudinal bar and the plurality of transverse bars substantially clip-like are held together, but not necessarily connected to these rods via a holding device.
  • a plurality of displacement body in particular every second displacement body, preferably all displacement body in the row for at least one of the grid, preferably for both grids, each having at least a first and a second holding device for receiving the corresponding first and second longitudinal bar.
  • the latticework is now formed from only two individual lattices, on the one hand, the claimed transport capacity and the logistical effort to deliver the latticework or its components from the supplier or producer significantly reduced to the site, which increases the overall modularity .
  • individual grids in particular if they are substantially flat, can be stacked significantly less space and therefore much more efficient transport.
  • the at least two individual gratings are therefore preferably substantially flat and have straight longitudinal bars and straight transverse bars.
  • a further disadvantage of the pre-fabricated mesh baskets known from the prior art is that they do not permit a multi-layered arrangement of modules, each consisting of a single row enclosed in a cage displacement body. Decisive for this is that a construction of several stacked, filled with displacement bodies grid baskets does not have in the vertical direction continuous cross bars, which adversely affects the statics of the reinforcement and therefore usually does not meet the required civil engineering requirements.
  • the inventive idea namely to replace the lattice baskets by a latticework, which consists only of at least two individual, preferably flat lattices, in contrast, allows in a simple manner to extend the two lattices in the vertical direction over a plurality of stacked rows of displacement bodies arranged side by side.
  • the core idea according to the invention can also be used for the realization of a multi-row module which comprises a plurality of superimposed rows of several juxtaposed in a horizontal longitudinal displacement bodies and can be used in particular for the production of thicker concrete parts.
  • the latticework also is formed of at least two individual, longitudinally extending lattices whose grid surfaces are oriented transversely or inclined to the horizontal, each of the lattices in turn extending at least a first and a second longitudinal bar parallel spaced from each other in the longitudinal direction, and a plurality of spaced apart and transversely or having inclined to the horizontal aligned transverse rods, which are respectively connected to the longitudinal bars, in particular welded, are.
  • the combination of the totality of all displacement body with the two gratings it is provided that at least one of the displacement body in the bottom row on its outsides for each grid at least one first holding means and at least one of the displacement body in the top row has on its outer side in each case at least one second holding device.
  • the first and second holding devices are designed and arranged relative to one another such that in each case both grids are respectively fixed by receiving the first longitudinal bar in the first holding device and receiving the second longitudinal bar in the second holding device at least positively and captively between the first and second holding means and thereby hold all the displacement bodies together.
  • the two Grid simple and inexpensive to produce and also transportable under the stress of low transport capacities or with little logistical effort are the two Grid simple and inexpensive to produce and also transportable under the stress of low transport capacities or with little logistical effort.
  • the at least two individual grids are in turn substantially flat and have straight longitudinal bars and straight transverse bars.
  • the connection of the grid to the entirety of the displacement body for multi-row modules according to claim 3 differs from the inventive solution according to claim 1, characterized in that in the latter at least one displacement body for each grid each having both a first holding means and a second holding means to each grid at least form-locking and captive to a single displacement body set, while all other displacement body are kept substantially by the two lattices.
  • the grid is fixed between two displacement bodies in the uppermost and in the lower row, while the remaining displacement bodies are merely held together by the grid structure.
  • the concrete floor according to claim 3 it can be provided in the sense of increased cohesion of the composite that several, in particular every second, preferably all displacement body in the bottom row at least one first holding device for the first longitudinal bar at least one of the grid, preferably all Grid, exhibit.
  • a plurality, in particular every second, preferably all displacement bodies in the uppermost row each have at least one second holding device for the second longitudinal bar of at least one of the lattices, preferably all lattices.
  • At least one displacement body with a first or second holding device for at least one of the grids may also be provided in at least one further row.
  • the grid preferably has a further first or second longitudinal bar.
  • the concrete ceiling according to claim 3 in at least one of the rows and such displacement bodies are used, which - as in the concrete floor according to claim 1 - both a first and a second holding device for at least one of the grid or both grids , If, in the case of a concrete floor according to claim 3, such a displacement body with at least one first and second holding device is used for at least one of the gratings in a row, then the corresponding grid for this row may preferably comprise a first and second or optionally an additional first or second longitudinal bar respectively.
  • each of the displacement body at least a first and a second holding device for each of both grids.
  • Such a displacement body is advantageously usable universally both for single-row and for multi-row modules.
  • first and second longitudinal bar refers to the determination of the corresponding longitudinal bar to be received in a first or second holding device.
  • first and second holding device basically refers to the fact that at least two complementary or cooperating holding devices are provided for defining a grid, between which the grid is fixed at least positive and captive.
  • the cooperating first and second holding means are arranged on a single displacement body, whereas in a multi-row module, the cooperating first and second holding means can each be arranged on different displacement bodies in different rows, preferably the lowest and highest rows.
  • each first holding device can also cooperate in addition with one or more other second holding devices arranged either on the same displacement body or on another displacement body of the same or another series are. The same applies vice versa for the second holding devices.
  • At least one displacement body in each case a plurality of aligned longitudinally juxtaposed first holding devices and / or each more, in Longitudinally aligned juxtaposed second holding means, in which the respective first and second longitudinal bar is accommodated simultaneously.
  • the respective rod is fixed to at least two holding devices in the sense of a multipoint fixing to a single displacement body.
  • the one or more displacement bodies may each comprise a plurality of first and / or a plurality of second holding devices, which are transverse to the longitudinal direction to each other are arranged offset.
  • the arrangement offset transversely to the longitudinal direction between the plurality of first or between the plurality of second holding devices can in particular be aligned exclusively perpendicular to the longitudinal direction or additionally also have a component in the longitudinal direction.
  • the plurality of mutually offset transversely to the longitudinal direction of the first and second holding means may differ in particular in the nature of their training or be formed similar.
  • At least one of the first and / or second holding devices as a latching device, preferably as a latching hook, latching recess, latching groove, notch or detent clamp formed.
  • the respectively cooperating first and second holding devices may be designed and arranged to be complementary to one another in such a way that the grid fixed between them is connected captively to the entirety of the displacement bodies only due to the interaction of the first and second holding devices. This can be achieved, for example, by clamping the grid between the at least one first and second holding device by inserting the respective first and second longitudinal bar, for example under temporary elastic deformation of the first and second holding devices designed, for example, as latching grooves or latching notches is.
  • multi-row modules are the individual displacement body for this purpose supported against each other so that they can take as a composite caused by the clamping of the grid counterforce, so that the composite module of displacement bodies and grids is held together in a stable overall.
  • support elements in particular support rings, which act as centering rings, can also be arranged in order to reinforce the bond between adjacent rows, in particular between each two superimposed displacement bodies of adjacent rows.
  • a single longitudinal bar accommodated in the respective holding device or a grid accommodated only in the first or second holding device alone need not necessarily be fixed in a captive manner.
  • the at least one first and / or second holding device can also be designed in such a way, in particular as latching devices, that a single rod is already captively secured by the receptacle in the respective holding device.
  • the corresponding holding device may be formed approximately as a detent clip or clip-like latching device.
  • At least one of the first and / or second holding means may comprise a longitudinally extending groove or notch-like depression, into which a corresponding longitudinal bar may optionally be introduced under temporary elastic deformation.
  • the groove or notch-like depression on a curved, in particular circular segment-shaped cross-sectional profile line which is preferably adapted to the radius of the longitudinal bars.
  • the assembly of the module can be substantially simplified.
  • the at least one or more first holding devices may be formed as longitudinal grooves or notches with a circular segment-shaped profile into which initially the first longitudinal bar is introduced, in the simplest case inserted.
  • the first holding device (s) can simultaneously serve as a pivot bearing for the grid, so that the grid with its second longitudinal bar subsequently by a simple pivoting movement about the longitudinal axis of the in the first holding device (s ) received first longitudinal bar in the second (n) holding device (s) can be introduced.
  • the holding means in particular the groove or notch-like depression, may be formed in a web extension on the outer surface of the displacement body, which preferably extends transversely to the longitudinal direction.
  • a web extension can, on the one hand, act as a reinforcing rib for a hollow body, in particular a closed or partially open hollow body, or a displacement body.
  • the web extensions can be used to comply with the technically required cover values (layer thickness of the concrete between reinforcing members and displacement bodies arranged thereon or below), in that the web extension serves to increase the distance between the displacement body and the longitudinal rod, on which the reinforcement members typically rest directly.
  • the invention in at least one displacement body, the one or more first holding means on the underside and / or the one or more second holding means may be arranged on the upper side of the displacement body.
  • the displacement body are formed substantially as oblate Rotationsellipsoide with flattened upper and lower sides, which can be produced in particular flat concrete parts.
  • the at least one second holding device for the one grid and the at least one second holding device for the other grid are arranged relative to one another such that the distance between the respectively received therein second longitudinal bars at most 75 mm, in particular at most 60 mm, preferably at most 50 mm.
  • the module can be walked on when producing a concrete part on the two upper, second longitudinal bars of the two grids without the risk of a person having his foot between the longitudinal bars passes directly through the displacement body.
  • displacement bodies designed as fragile hollow bodies are included in the latticework so as to be safe when the weight of a person standing on the module is primarily diverted downwards via the latticework.
  • the at least one first holding device for the one grid and the at least one first holding device for the other grid, in multi-row modules in particular in the bottom row, are arranged to each other such that the distance between the first longitudinal bars respectively accommodated therein is at least 75 mm, at least 150 mm, preferably 185 mm.
  • At least one of the first and / or second holding devices are formed integrally with the corresponding displacement body.
  • at least one of the displacement body, preferably all displacement body with respect to a vertical plane parallel to the longitudinal direction and / or be mirror-symmetrical with respect to a horizontal plane.
  • at least one of the displacement bodies or, preferably, all displacement bodies are designed as hollow bodies.
  • the hollow body can be formed either as a closed hollow body or as a partially open hollow body with the module facing downwardly opening.
  • the displacement body consist of two half-body elements, in particular two half-shell elements.
  • the half-piece or half-shell design ensures that the half-shells are stackable into one another or one another in a space-saving manner, so that only a smaller transport volume is obtained, whereby transport capacities can be better utilized and significant costs can be saved.
  • the half-body elements or half-shell elements can be identical, so that for producing a displacement body From this element no other, complementary element is required, but again only the same. This not only excludes confusion, but also the possibility that a different number of complementary elements can be delivered to a construction site. The latter can lead in particular to considerable loss of time and thus to additional costs, if the elements by sea over long distances such. B. from Europe to Asia.
  • the displacement body made of plastic and / or are formed as a plastic injection-molded part.
  • each displacement body extends between each two adjacent displacement bodies in a row at least partially each at least one transverse bar and / or that each displacement body is arranged in the longitudinal direction between two transverse bars, which bear in particular on the displacement body, preferably such that the transverse rods secure the displacers against displacement along the longitudinal direction and to the side.
  • two pairs of transverse bars together with the at least one first and second longitudinal bar define a receiving space for a displacement body or column which encloses or fixes the displacement body or bodies in such a way that slippage within the receiving space is substantially avoided can.
  • the cross bars also prevent accidentally solves the connection between the two half-shell elements in a composite of two half-shells displacement body.
  • the displacement body for example, consists of two half-shell elements, which has a sliding closure are joined together by lateral collapse of the two half-shell elements parallel to the common contact plane, such a displacement body is preferably arranged in the module so that the direction of action of the sliding closure is aligned parallel to the longitudinal direction of the module, so that accidental opening of the sliding closure is prevented by the transverse bars.
  • the longitudinal bars and / or the transverse bars preferably consist of steel, in particular reinforcing steel.
  • all longitudinal bars and / or the cross bars have the same diameter.
  • the Fig. 1 to 4 show a possible embodiment of a single-row module 1a for producing a concrete part.
  • the module 1a comprises a row 2 of a plurality of in a horizontal longitudinal direction L juxtaposed displacement bodies 100 which are captive a latticework of two individual, extending in the longitudinal direction L lattices 10, 20 are held, the grid surfaces are aligned transversely or inclined to the horizontal.
  • each of the lattice 10, 20 at least a first and a second longitudinal bar 11, 12 and 21, 22 which are parallel spaced from each other in the longitudinal direction L, and a plurality of spaced apart and transversely or inclined to the horizontal aligned transverse rods 13, 23, each connected to the longitudinal bars 11, 12 and 21, 22, preferably welded, are.
  • the longitudinal bars 11, 12, and 21, 22 and transverse bars 13, 23 are preferably made of reinforcing steel and have the same diameter.
  • the module 1a in the longitudinal direction L is arbitrarily extendable.
  • the modules may have an extent of up to about 250 cm in the longitudinal direction L and may comprise a total of about fourteen juxtaposed displacers 100.
  • All displacement bodies 100 have on their outer side in each case for both grids 10 and 20 at least one first holding device 311 or 321 and at least one second holding device 412 or 422 which are designed and arranged relative to one another such that both grids 10 and 20, respectively by receiving the first longitudinal bar 11 or 21 in the first holding device 311 or 321 and receiving the second longitudinal bar 12 or 22 in the second holding device 412 or 422 at least positively and captively between the first and second holding means 311, 312 and 412 , 422 are fixed and thereby together hold all displacement body 100 together.
  • the first holding devices 311, 321 for the first longitudinal bars 11, 21 of the first and second grids 10, 20 are arranged perpendicular to the longitudinal direction L on the underside of the displacement body at a distance D1, which is about 185 mm in the present embodiment. This ensures that the module 1a has a secure footing on the typically arranged underneath (not shown here) reinforcing members on which the first Longitudinal bars 11, 12 in the production of concrete parts usually rest directly.
  • the respective second holding means 412, 422 for the second longitudinal bar 12, 22 arranged on the upper side of the displacement body 100 at a distance D2, which is significantly smaller than the distance D1 on the bottom and in the present embodiment, only about 50 mm is.
  • a distance D2 of this order of magnitude ensures that the module 1a can be safely walked on when producing a concrete part on the two upper, second longitudinal bars 12, 22 of the two grilles 10, 20, without the risk of a person having his foot between the two longitudinal bars 12, 22 passes directly through the displacement body 100 and this could damage it.
  • Seen in the longitudinal direction L - as in Fig. 2 shown - are the grid surfaces of the two gratings 10, 20 are therefore each inclined relative to the vertical at an angle ⁇ of about 15 °.
  • the first holding means 311, 321 formed on the underside of the displacement body 100 as grooves or notch-like depressions in web extensions, which are arranged transversely to the longitudinal direction L on the outside of the displacement body.
  • Each displacement body 100 has two first holding means 311 and 321 for each of the longitudinal bars 11 and 21 of the first and second grid 10, 20, which are arranged side by side in the longitudinal direction L and in which the respective longitudinal bar 11, 21 is accommodated simultaneously ,
  • the respective grooves or notch-like depressions of the first holding devices 311 and 321, which are associated with one of the longitudinal bars 11 and 21, respectively The depth of the grooves or notch-like depressions and the height of the web extensions are selected so that structurally required cover values (layer thickness of the concrete between reinforcing members and displacers arranged thereon or below) can be maintained.
  • the second holding devices 412, 422 used on the upper side of the displacement body 100 are formed in the present embodiment substantially as latching hooks, which are also aligned transversely to the longitudinal direction L, in this case perpendicular to the longitudinal direction L.
  • Fig. 2 an advantageous method for producing or assembling a module 1a is illustrated.
  • the two grids 10, 20 are first placed parallel to the longitudinal direction L at a distance D1 flat next to each other on a flat surface.
  • the displacement bodies 100 are arranged side by side on the gratings 10, 20 in the longitudinal direction L such that the grooves or notch-like depression depths of the first holding devices 311, 321 engage with the first longitudinal bars 11, 21, respectively.
  • the two grids 10 and 20 are folded around the longitudinal axis of the respective first longitudinal bars 11 and 21 upwards until the respective second longitudinal bars 12 and 22 in the second holding devices 412 and 422 designed as latching hooks, such as transient elastic Deformation of the latching hook, engage.
  • the groove or notch-like depression of the first Holding device 311, 321 has a circular segment-shaped cross-sectional profile line, which is preferably adapted to the radius of the longitudinal bars 11, 21, so that the grooves or notch-like recesses advantageously serve as a pivot bearing for the respective first longitudinal bars 11, 12.
  • the interaction of the reception of the respective first longitudinal bars 11, 21 with the first holding devices 311, 321 and the respective second longitudinal bars 12, 22 with the second holding devices 412, 422 results in the two grids 10, 20 being in each case connected individually to the displacement bodies 100 are fixed positively and captively and thus hold the whole of all displacement body together.
  • two pairs of transverse rods 13 and 23 and the respective first and second longitudinal rods 11, 12 and 21, 22 respectively define a receiving space for one displacement body 100 which encloses or fixes the displacement body 100 in such a way that there is a slump or slippage of the displacement body 100 Displacement body within the receiving space can be substantially avoided.
  • the displacement body 100 in the present embodiment all identical and with respect to a plane parallel to the horizontal (except for the wells on the top and bottom) mirror-symmetrical design. Therefore, the Displacement body both on the bottom and on the top of several holding devices, which are inter alia offset transversely to the longitudinal direction L arranged.
  • the first holding means 311 and 321 described above on the underside of the displacement body 100 are identical to the other second holding means 312 and 322 on its upper side.
  • the above-described second holding means 412 and 422 on the upper side of the displacement body 100 are identical to the two further holding means 411 and 421 on its underside.
  • the further first and further second holding devices 411, 421 or 312, 322 can be used to define the respective grid, wherein the distance between the two longitudinal bars of a grid must be adjusted.
  • the respective grid 10, 20 can be fixed in different positions transversely to the horizontal on the displacement bodies 100.
  • the two grids 10, 20 with their respective first longitudinal bars 11, 21 respectively in the first holding means 311 and 321 on the underside of the displacement body 100 and with their respective second longitudinal bars 12, 22 at the other second holding means 312 and 322 at the Top of the Displacer 100 are determined.
  • the two grid surfaces are aligned parallel to the vertical or perpendicular to the horizontal.
  • the displacement body 100 are formed in the present embodiment as a hollow body, which are composed of two identical half-shell elements made of plastic, which are space-saving in one another or stackable. In addition, no other kind of complementary element is required for producing a displacement body from these elements. All displacement body 100 are formed substantially as oblate Rotationsellipsoide with flattened upper and lower sides, which can be produced in particular flat concrete parts. In addition, all holding devices are formed integrally with the displacement bodies or the half-shell elements, for example as a singular injection molded part.
  • Fig. 5 shows a possible embodiment of an inventive multi-row module 1b, which is used in particular for the production of thicker concrete parts.
  • the module 1b comprises a plurality of superimposed rows 2, 3 of a plurality in a horizontal longitudinal direction L juxtaposed displacement bodies 100, which are identical to the displacement bodies 100 in the Fig. 1 to 4 are.
  • the displacement body 100 are also captively held in a latticework of two individual, running in the longitudinal direction L lattices 10, 20 whose grid surfaces are aligned transversely or inclined to the horizontal. If in the present embodiment of the module 1b according to Fig.
  • Each of the grids 10, 20 has at least a first and a second longitudinal bar 11, 12 and 21, 22, which are parallel spaced from each other in the longitudinal direction L, and a plurality of spaced apart and transversely or inclined to the horizontal aligned transverse rods 13, 23, the each connected to the longitudinal bars 11, 12 and 21, 22, in particular welded, are.
  • the first longitudinal bars 11, 21 of the two grids 10, 20 are - in analogy to the single-row module 1a - each received in first holding devices 311, 321 on the underside of the displacement body 100 in the bottom row 2, while the second longitudinal bars 12, 22 respectively in the second Holding means 312, 322 are received at the top of the displacement body 100 in the uppermost row 3. This is already sufficient in order to fix both grids 10, 20 at least positively and captively between the first holding devices 311 and 321 and the second holding devices 312 and 322, thereby already holding together all the displacement bodies 100 as a composite between the two grids 10, 20 are.
  • the two grids 10, 20 each additionally have a further first longitudinal bar 11.1 or 21.1 and a further second longitudinal bar 12.1 or 22.1, corresponding to the other first holding devices 311.1 or 321.1 on the underside of the displacement body 100 of the upper row 3 and in the other second Holding devices 412.1 or 422.1 on the top of the displacement body 100 of the lower row 2 are added.
  • each displacement body it is analogously conceivable for each displacement body to interact in each case in a first holding device, for instance on its underside, and in a second holding device, for example on its upper side, with a corresponding first or second longitudinal bar of one of the grilles.
  • the multi-row module can advantageously be assembled analogously to the single-row module by folding down the grids.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
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  • Retaining Walls (AREA)
  • Road Paving Structures (AREA)
  • Revetment (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Artificial Fish Reefs (AREA)
  • Sewage (AREA)
  • Buffer Packaging (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Traffic Control Systems (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Bridges Or Land Bridges (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Claims (15)

  1. Dalle en béton comprenant au moins un module (la) qui présente une rangée (2) de plusieurs blocs de refoulement (100) disposés les uns à côté des autres dans un sens longitudinal (L) horizontal, qui sont retenus de façon imperdable dans un treillis formé d'au moins deux grilles (10, 20) orientées dans le sens longitudinal (L), chacune des grilles (10, 20) comprenant au moins un premier barreau longitudinal et un deuxième (11, 12 et 21, 22) écartés parallèlement l'un à l'autre dans le sens longitudinal (L) et plusieurs barreaux transversaux (13, 23) écartés les uns des autres et reliés chacun aux barreaux longitudinaux (11, 12 et 21, 22), dans laquelle au moins un des blocs de refoulement (100) comprend pour chaque grille (10, 20) au moins un premier dispositif de maintien (311 ou 321) et au moins un deuxième dispositif de maintien (412 ou 422) sur sa face extérieure, qui sont conformés et disposés l'un par rapport à l'autre de telle manière que les deux grilles (10, 20) soient fixées au moins par engagement positif et de façon imperdable entre le premier dispositif de maintien et le deuxième par l'insertion du premier barreau longitudinal (11 ou 21) dans le premier dispositif de maintien (311 ou 321) et l'insertion du deuxième barreau longitudinal (12 ou 22) dans le deuxième dispositif de maintien (412 ou 422) et que tous les blocs de refoulement (100) soient ainsi tenus ensemble, caractérisée en ce que les grilles (10, 20) sont orientées avec leurs surfaces de grille placées transversalement ou à l'oblique par rapport à l'horizontale, chacune des grilles (10, 20) présentant plusieurs barreaux transversaux (13, 23) orientés transversalement ou à l'oblique par rapport à l'horizontale, qui sont reliés chacun avec les barreaux longitudinaux (11, 12 ou 21, 22).
  2. Dalle en béton selon la revendication 1, caractérisée en ce que plusieurs blocs de refoulement (100) d'une rangée (2) comportent pour au moins une des grilles (10, 20) chacun au moins un premier dispositif de maintien et un deuxième (311, 321 ; 412, 422) pour recevoir le premier ou deuxième barreau longitudinal (11 ; 21 ou 12 ; 22) correspondant.
  3. Dalle en béton comprenant au moins un module (1b) qui présente plusieurs rangées (2, 3) superposées de plusieurs blocs de refoulement (100) disposés les uns à côté des autres dans un sens longitudinal (L) horizontal, qui sont retenus de manière imperdable dans un treillis formé d'au moins deux grilles (10, 20) orientées dans le sens longitudinal (L) dont les surfaces de grille sont orientées transversalement ou à l'oblique par rapport à l'horizontale, chacune des grilles (10, 20) comprenant au moins un premier barreau longitudinal et un deuxième (11, 12 et 21, 22) écartés parallèlement l'un à l'autre dans le sens longitudinal (L) et plusieurs barreaux transversaux (13, 23) écartés les uns des autres et orientés transversalement ou à l'oblique par rapport à l'horizontale qui sont reliés chacun aux barreaux longitudinaux (11, 12 et 21, 22), dans laquelle au moins un des blocs de refoulement (100) de la rangée la plus basse (2) présente sur ses faces extérieures, pour chaque grille (10, 20), au moins un premier dispositif de maintien (311 ou 321) et au moins un des blocs de refoulement (100) de la rangée la plus haute (3) présente sur ses faces extérieures au moins un deuxième dispositif de maintien (312 ou 322), qui sont conformés et disposés l'un par rapport à l'autre de telle manière que les deux grilles (10, 20) soient fixées au moins par engagement positif et de façon imperdable entre le premier dispositif de maintien et le deuxième par l'insertion du premier barreau longitudinal (11 ou 21) dans le premier dispositif de maintien (311 ou 321) et l'insertion du deuxième barreau longitudinal (12 ou 22) dans le deuxième dispositif de maintien (312 ou 322) et que tous les blocs de refoulement (100) soient ainsi tenus ensemble.
  4. Dalle en béton selon la revendication 3, caractérisée en ce que plusieurs blocs de refoulement (100) de la rangée la plus basse (2) comportent au moins un premier dispositif de maintien (311 ; 321) pour le premier barreau longitudinal (11, 21) d'au moins une des grilles (10, 20) et/ou en ce que plusieurs blocs de refoulement (100) de la rangée la plus haute (3) présentent chacun au moins un deuxième dispositif de maintien (312 ; 322) pour le deuxième barreau longitudinal (12, 22) d'au moins une des grilles (10, 20).
  5. Dalle en béton selon la revendication 4, caractérisée en ce qu'un ou plusieurs blocs de refoulement (100) dans au moins une des rangées (2, 3) présentent au moins un premier dispositif de maintien et un deuxième (311, 311.1, 321, 321.1 et 312, 312.1, 322, 322.1) pour au moins une des grilles (10, 20), laquelle grille présente de préférence pour cette rangée un premier ou un autre premier ou un deuxième ou un autre deuxième barreau longitudinal (11, 11.1, 21, 21.1 ou 12, 12.1, 22, 22.1).
  6. Dalle en béton selon l'une des revendications précédentes, caractérisée en ce qu'au moins un bloc de refoulement (100) présente plusieurs premiers et/ou deuxièmes dispositifs de maintien (311, 311.1, 321, 321.1 et/ou 312, 312.1, 322, 322.1) disposés les uns à côté des autres dans le sens longitudinal (L), dans lesquels le premier ou deuxième barreau longitudinal est logé en même temps.
  7. Dalle en béton selon l'une des revendications précédentes, caractérisée en ce qu'afin de fixer sélectivement au moins une des grilles (10, 20) dans différentes positions transversales ou obliques par rapport à l'horizontale, le ou les plusieurs blocs de refoulement (100) présentent chacun plusieurs premiers et/ou deuxièmes dispositifs de maintien (311, 311.1, 321, 321.1 ; 312, 312.1, 322, 322.1 ; 411, 411.1, 421, 421.1 ; 412, 412.1, 422, 422.1) qui sont disposés transversalement par rapport au sens longitudinal et décalés les uns par rapport aux autres.
  8. Dalle en béton selon l'une des revendications précédentes, caractérisée en ce qu'au moins un des premiers et/ou deuxièmes dispositifs de maintien (311, 311.1, 321, 321.1 ; 312, 312.1, 322, 322.1 ; 411, 411.1, 421, 421.1 ; 412, 412.1, 422, 422.1) est conformé comme un dispositif d'enclenchement, de préférence comme un crochet d'enclenchement, un creux d'enclenchement, une rainure d'enclenchement, une encoche d'enclenchement ou une pince d'enclenchement.
  9. Dalle en béton selon l'une des revendications précédentes, caractérisée en ce qu'au moins un des premiers et/ou deuxièmes dispositifs de maintien (311, 311.1, 321, 321.1 ; 312, 312.1, 322, 322.1) présente une rainure dans le sens longitudinal (L) ou un creux en forme d'encoche pour recevoir l'un des premiers ou deuxièmes barreaux longitudinaux (11, 12, 21, 22), la rainure ou le creux en forme d'encoche présentant de préférence une ligne de profil en coupe transversale incurvée, de préférence en forme de segment de cercle.
  10. Dalle en béton selon la revendication 9, caractérisée en ce que la rainure ou le creux en forme d'encoche est formée sur une saillie en forme de barrette sur la surface extérieure du bloc de refoulement (100), qui s'étend de préférence transversalement par rapport au sens longitudinal (L).
  11. Dalle en béton selon l'une des revendications précédentes, caractérisée en ce qu'au moins un des premiers et/ou deuxièmes dispositifs de maintien, de préférence tous les dispositifs de maintien (311, 311.1, 321, 321.1 ; 312, 312.1, 322, 322.1 ; 411, 411.1, 421, 421.1 ; 412, 412.1, 422, 422.1), sont formés d'un seul tenant avec le bloc de refoulement (100) correspondant.
  12. Dalle en béton selon l'une des revendications précédentes, caractérisée en ce que les uns ou plusieurs premiers dispositifs de maintien (311, 311.1, 321, 321.1 ; 411, 411.1, 421, 421.1) d'au moins un bloc de refoulement (100) sont disposés sur une face inférieure du bloc de refoulement (100) et le ou les plusieurs deuxièmes dispositifs de maintien (312, 312.1, 322, 322.1 ; 412, 412.1, 422, 422.1) sur une face supérieure du bloc de refoulement (100).
  13. Dalle en béton selon la revendication 12, caractérisée en ce que l'au moins un deuxième dispositif de maintien (412) d'au moins un bloc de refoulement (100) pour une grille (10) et l'au moins un deuxième dispositif de maintien (422) pour l'autre grille (20) sont disposés l'un par rapport à l'autre de telle manière que la distance (D2) entre les deuxièmes barreaux longitudinaux (12, 22) qui y sont logés soit de 75 mm au maximum, en particulier de 60 mm au maximum, de préférence de 50 mm au maximum et/ou en ce que l'au moins un premier dispositif de maintien (311) pour une grille (10) et l'au moins un premier dispositif de maintien (321) pour l'autre grille (20) sont disposés l'un par rapport à l'autre de telle manière que la distance (D1) entre les premiers barreaux longitudinaux (11, 21) qui y sont logés soit d'au moins 75 mm, d'au moins 150 mm, de préférence d'au moins 185 mm.
  14. Dalle en béton selon l'une des revendications précédentes, caractérisée en ce qu'au moins un des blocs de refoulement (100), de préférence tous les blocs de refoulement (100),
    a. sont symétriques en miroir par rapport à un plan vertical parallèle au sens longitudinal (L) et/ou par rapport à un plan horizontal et/ou
    b. sont conformés comme un corps creux fermé ou comme un corps creux partiellement ouvert avec une ouverture dirigée vers le bas dans le module et/ou
    c. se composent de plastique, en particulier sont conçus comme des pièces en plastique moulées par injection, et/ou
    d. se composent de deux éléments de demi-bloc, en particulier de deux éléments de demi-coque identiques.
  15. Dalle en béton selon l'une des revendications précédentes, caractérisée en ce qu'au moins un barreau transversal (13 ; 23) s'étend au moins par zones entre deux blocs de refoulement (100) voisins d'une rangée (2, 3) et/ou en ce que chaque bloc de refoulement (100) est disposé, dans le sens longitudinal (L), entre deux barreaux transversaux (13 ; 23) qui reposent en particulier sur le bloc de refoulement (100), de préférence de telle manière que les barreaux transversaux (13 ; 23) empêchent le bloc de refoulement (100) de se déplacer dans le sens longitudinal (L) et vers le côté.
EP16700593.3A 2015-01-16 2016-01-14 Plafond en béton Active EP3245346B1 (fr)

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RS20191515A RS59610B1 (sr) 2015-01-16 2016-01-14 Betonska ploča
MEP-2019-335A ME03554B (fr) 2015-01-16 2016-01-14 Module de production d'éléments en béton, organe de déplacement, utilisation d'une grille pour fabriquer un module et élément en béton
SI201630523T SI3245346T1 (sl) 2015-01-16 2016-01-14 Betonski strop
PL16700593T PL3245346T3 (pl) 2015-01-16 2016-01-14 Strop betonowy
HRP20192116TT HRP20192116T1 (hr) 2015-01-16 2019-11-26 Betonski pokrov

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EP15405004.1A EP3045605B1 (fr) 2015-01-16 2015-01-16 Module de fabrication d'éléments en béton
PCT/EP2016/050611 WO2016113326A1 (fr) 2015-01-16 2016-01-14 Module de production d'éléments en béton, organe de déplacement, utilisation d'une grille pour fabriquer un module et élément en béton

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WO2021019315A1 (fr) * 2019-07-31 2021-02-04 Khaled Azzam Nouvel ensemble de cadres concaves à utiliser en tant que dalles en béton léger
RU2734398C1 (ru) * 2019-08-14 2020-10-15 Николай Васильевич Сапожников Имплантирование пустот в монолитном железобетоне, способ и устройства
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RU2724648C1 (ru) * 2019-12-12 2020-06-25 Акционерное общество "ДЖИТЕХ" Пустотообразующий модуль
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CA2971518A1 (fr) 2016-07-21
AU2016208057B2 (en) 2021-04-15
CY1122622T1 (el) 2021-03-12
HUE046473T2 (hu) 2020-03-30
CL2017001804A1 (es) 2018-02-16
PT3245346T (pt) 2019-12-09
AU2016208057A1 (en) 2017-07-20
EP3045605A1 (fr) 2016-07-20
RU2017128001A (ru) 2019-02-18
DK3045605T3 (da) 2019-12-09
HRP20192158T1 (hr) 2020-02-21
US10196819B2 (en) 2019-02-05
CA2971518C (fr) 2023-05-02
CN107567526B (zh) 2020-09-04
SI3045605T1 (sl) 2020-01-31
PT3045605T (pt) 2019-12-16
US20180002930A1 (en) 2018-01-04
PL3245346T3 (pl) 2020-02-28
CY1122536T1 (el) 2021-01-27
RU2700353C2 (ru) 2019-09-16
RS59635B1 (sr) 2020-01-31
EP3045605B1 (fr) 2019-09-04
RS59610B1 (sr) 2020-01-31
EP3245346A1 (fr) 2017-11-22
GT201700159A (es) 2019-06-26
DK3245346T3 (da) 2019-12-02
WO2016113326A1 (fr) 2016-07-21
ES2760511T3 (es) 2020-05-14
PL3045605T3 (pl) 2020-03-31
CN107567526A (zh) 2018-01-09
HUE046447T2 (hu) 2020-03-30
HRP20192116T1 (hr) 2020-02-21
SI3245346T1 (sl) 2020-02-28
RU2017128001A3 (fr) 2019-07-17
ME03554B (fr) 2020-07-20
ES2758361T3 (es) 2020-05-05

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