EP4323600A1 - Corps de déplacement et insert de mise en forme de béton - Google Patents

Corps de déplacement et insert de mise en forme de béton

Info

Publication number
EP4323600A1
EP4323600A1 EP22722764.2A EP22722764A EP4323600A1 EP 4323600 A1 EP4323600 A1 EP 4323600A1 EP 22722764 A EP22722764 A EP 22722764A EP 4323600 A1 EP4323600 A1 EP 4323600A1
Authority
EP
European Patent Office
Prior art keywords
displacement body
closed shell
receiving devices
concrete
designed
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.)
Granted
Application number
EP22722764.2A
Other languages
German (de)
English (en)
Other versions
EP4323600B1 (fr
Inventor
Anna HAMBURG
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.)
Individual
Original Assignee
Individual
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
Priority claimed from LU500046A external-priority patent/LU500046B1/de
Priority claimed from LU500045A external-priority patent/LU500045B1/de
Application filed by Individual filed Critical Individual
Publication of EP4323600A1 publication Critical patent/EP4323600A1/fr
Application granted granted Critical
Publication of EP4323600B1 publication Critical patent/EP4323600B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—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
    • 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

Definitions

  • the invention relates to a displacement body which is designed to be arranged in a formwork prior to a concreting process.
  • the invention also relates to a concrete molding insert with a plurality of displacement bodies.
  • displacement bodies are often arranged in the space surrounded by formwork ⁇ . This has the advantage that concrete can be saved and lighter concrete slabs can be produced.
  • EP 1 568 827 A1 proposes enclosing displacement bodies, e.g. in the form of plastic balls, in latticework that is open on one side, and then pressing these modules into a first or second layer of concrete, which can already contain a first reinforcement mat. The semi-finished product produced in this way is then covered with concrete during later completion.
  • DE 20 2006 002 540 U1 discloses a module for producing concrete parts, in particular semi-finished concrete products or concrete ceilings.
  • the module has a large number of replaceable displacement bodies arranged next to one another in a longitudinal direction, preferably plastic hollow spheres, plastic balls or plastic half-shells, the large number of displacement bodies arranged next to one another being arranged captively in a latticework of rods.
  • the module is intended to be pressed into a concrete layer, to be placed on a lower reinforcement or to be placed on a filigree slab.
  • the latticework has a channel-like shape with a narrow channel base and a wide channel opening and can be stacked to save space if the displacement bodies are not inserted.
  • EP 2 075 387 A1 discloses a module for producing concrete parts, in particular semi-finished concrete products or relatively thin in-situ concrete slabs. That The module has a multiplicity of replaceable displacement bodies arranged next to one another in a longitudinal direction, with the multiplicity of displacement bodies arranged next to one another being arranged in a captive manner in a lattice work of rods.
  • Each sinker is designed as an essentially oblate ellipsoid of revolution with two at least slightly flattened poles ⁇ .
  • EP 3 045 605 A1 discloses a module for the production of concrete parts using the in-situ concrete method or in a precast concrete plant, which comprises a row of several displacement bodies arranged next to one another in a horizontal longitudinal direction, which cannot be lost in a latticework of at least two individual lattices running in the longitudinal direction are held, the grid faces of which are oriented transversely to the horizontal ⁇ , each of the grids having at least a first and a second longitudinal bar which extend parallel in a spaced apart ⁇ longitudinal direction, and a plurality of spaced apart and transversely oriented transverse bars ⁇ , each having the Longitudinal fibers are connected.
  • At least one of the displacement bodies has at least one first and at least one second half-mechanism on its outside for each lattice, which are designed and arranged relative to one another in such a way that both lattices can be separated by accommodating the first longitudinal bar in the first half-mechanism and accommodating the second Longitudinal rods in the second half device are fixed at least in a form-fitting and captive manner between the first and second retaining device and thereby hold all displacement bodies together.
  • the previously known concrete molding inserts usually have the disadvantage that they can be used specifically for a specific size range of a concrete part to be produced. To that extent it is necessary, for example, to keep smaller displacement bodies ready for the production of thin concrete slabs, while larger displacement bodies have to be kept ready for the production of thicker concrete slabs.
  • IT BO 20 120 296 A1 discloses cube-like moldings which are each composed of two box-like half parts. There are holders on the top and bottom into which iron rods ⁇ can be snapped.
  • WO 2018/161110 A1 discloses ⁇ a concrete molding that has holders ⁇ in order to connect probation bars arranged in two different planes parallel to one another.
  • WO 01/03898 A1 discloses a concrete molding which is composed of two box-shaped halves and has latching elements which are each designed to receive a probationary plate and at the same time to act as feet.
  • a displacement body which a. has at least one first receiving device, which is designed to hold a reinforcing bar running in a first plane at a distance from the closed shell and/or from a, in particular horizontal, reference plane of the closed shell, and b. at least one second receptacle adapted to receive a reinforcement fabric extending in a second plane parallel and spaced apart from the first plane to keep distance to the closed envelope and/or to the reference plane of the closed envelope, c. at least one third fixture ⁇ adapted to hold a rebar extending in a third plane parallel and spaced apart from the first and second planes at a distance from the closed shell and/or from the reference plane of the closed shell .
  • the displacement body according to the invention can advantageously be used in particular as part of a concrete molding insert, in which several displacement bodies are arranged between at least two rebars, each of the rebars being in at least one of the receiving devices of each displacement body at a distance from the closed shell and/or from the reference plane of the closed Shell of the displacement body is held.
  • a concrete molding insert can advantageously be assembled on site from parts that are individually easy to transport and easy to handle.
  • reinforcing rods in particular which are not connected to other components or other reinforcing rods and which are preferably not part of a reinforced steel fabric and/or a welded reinforcing grid, can be used in a simple and flexible manner.
  • the reinforcing rods which are preferably initially individual and not connected to other components, are connected to one another exclusively by means of several displacement bodies according to the invention in order to form a concrete molding insert together with the displacement body.
  • the reinforcing rods used in the concrete molding insert can be connected to other reinforcements of the concrete part to be produced, for example by means of binding wire.
  • the invention ha ⁇ in particular the very special advantage that using the same displacement body BefonformungsINSERT with different effective heights, namely with different Vertical distances between the reinforcing bars, between which the displacement bodies are arranged, can be produced.
  • the displacers and the rebars can be assembled into a concrete form insert with a greater effective height when a thicker concrete file (e.g.
  • a thicker concrete slab is to be cast while using the same displacers and the same rebars alternatively, if a thinner concrete slab (e.g., a thinner concrete slab) is to be cast ⁇ , they can also be assembled into a concrete former with a lower effective height by selecting and using a different combination of receiving devices of each displacement body. Intermediate stages are also possible, which is explained in detail further below. In particular, it is possible for a large number of different effective heights to be realizable with one and the same components.
  • Each of the receiving devices is preferably arranged either above or below the closed shell of the displacement body.
  • the background is that an arrangement of reinforcing bars in the middle between the top and bottom of the ceiling is statically ineffective or even largely useless.
  • the receiving devices can advantageously be designed to keep the reinforcing rods at a distance from the closed shell of the displacement body in the vertical direction. This is advantageous from a static point of view.
  • the receiving devices are each designed to hold a rebar at (a non-zero) distance from the closed envelope.
  • the receiving devices are each designed to hold a rebar in such a way that the rebar does not lie directly against the closed shell. This is special (particularly with regard to the load-bearing capacity of the concrete component).
  • the rebars (apart from their immediate contact with the respective fixture, which is negligible) are completely surrounded by the concrete when filled with concrete and a good bond between steel and concrete is obtained everywhere, which would not be the case if a rebar would lie directly against the closed shell.
  • complete enclosing of the rebars with concrete is also important in the event of a fire.
  • the concrete acts as a protective shell, particularly with regard to cooling the reinforcing bars.
  • the complete encapsulation of the rebars is also important as a protection against corrosion. It should be noted that cracks can form in concrete components, especially in concrete ceilings, through which moisture can penetrate. If the rebars are completely enclosed by concrete, the penetrating moisture only reaches a small section of the respective rebar. However, when the rebar rests on the hollow body ⁇ , moisture can seep between the rebar and the hollow body, reaching and damaging much larger areas of the rebar.
  • the receiving devices are each designed to hold a rebar at a distance from the closed shell that is at least half the size of the largest grain of the selected concrete granulation.
  • the distance between the reinforcing bar and the closed shell is preferably at least 16 mm. This is important so that the stones can be distributed evenly in the concrete.
  • Advantage is taken of the fact that the vast majority of stones in the aggregate are not spherical, but elongated and/or flat.
  • a stone can also move through the gap between the closed shell and the rebar, which is larger in one direction than the distance between the rebar and the closed shell, as long as the stone is smaller than the distance in another direction between the rebar and the closed shell (which is almost always the case). It was recognized that an even distribution of the stones in the concrete guaranteed ⁇ if the distance is at least half the size of the concrete grading above.
  • the displacement body can have at least one first receiving device on the underside, which is designed to hold a lower reinforcing bar running in a first plane at a distance from the closed shell and/or from a, in particular horizontal, reference plane (which, for example, is the horizontal center plane of the can be closed shell) to hold the closed shell.
  • a first receiving device on the underside, which is designed to hold a lower reinforcing bar running in a first plane at a distance from the closed shell and/or from a, in particular horizontal, reference plane (which, for example, is the horizontal center plane of the can be closed shell) to hold the closed shell.
  • the displacement body can have at least one second receiving device and at least one third receiving device on the upper side, the second receiving device being designed to hold an upper rebar running in a second plane which is parallel to and spaced from the first plane at a distance from the closed shell and/or to the reference plane of the closed shell, and wherein the third receiving device is adapted to space a top rebar running in a third plane parallel and spaced from the first and second planes of the closed envelope and/or to the reference plane of the closed envelope.
  • the user can now choose whether he wants to use the second or the third fixture on the top to hold the upper rebar. Through his selection, he determines the vertical distance between the upper and the lower reinforcing bar.
  • a fourth receiving device on the underside, which is designed to hold a rebar running in a fourth plane, which is parallel to and spaced from the first and second and third planes, at a distance from the closed envelope and/or to the reference plane of the closed envelope
  • the lower rebar with different vertical distances of the lower rebar to the closed envelope and/or to the reference plane.
  • the displacement body can have at least a fourth receiving device which is designed to hold a reinforcement fabric running in a fourth plane, which is parallel to and spaced from the first and second and third planes, at a distance from the closed shell and/or to the reference plane of the closed shell.
  • the displacement body can have any number of further receiving devices (at least a fifth, a sixth, a seventh%) for holding the reinforcement fibers in different parallel planes that are spaced apart from one another.
  • the displacement body can in particular have a plurality of first receiving devices, each of which is designed to hold its own reinforcing bar running in the first plane at a distance from the closed shell and/or from a, in particular horizontal,
  • the displacement body can (alternatively or additionally) have a plurality of second receiving devices, each of which is designed to hold its own reinforcing bar running in the second plane at a distance from the closed shell and/or from a, in particular horizontal, reference plane of the closed shell helped.
  • the displacement body can (alternatively or additionally) have several third receiving devices, each of which is designed to hold its own reinforcing bar running in the third plane at a distance from the closed shell and/or from a, in particular horizontal,
  • the displacement bodies according to the invention can also be used to produce a concrete molding insert in such a way that only receiving devices arranged below the closed shell are used to hold reinforcing bars, while otherwise no receiving devices, in particular no receiving devices arranged above the closed shell, for example used to hold rebars.
  • such displacement bodies can also be used which have receiving devices arranged exclusively below the closed shell for holding at least two reinforcing rods.
  • the use of two lower reinforcing rods in the same horizontal plane has the particularly advantageous effect that the displacement bodies are held securely with regard to their position and their orientation relative to the formwork and relative to one another.
  • falling over of the displacement body is advantageously avoided in this way.
  • those of the receiving devices arranged below the closed shell for holding the two lower rebars can be selected particularly advantageously, when the two held lower rebars have the greater horizontal distance from one another when they are used. In this way, a particularly high degree of stability, in particular a particularly reliable position and orientation securing of the displacement bodies, is achieved.
  • a concrete molding insert produced in this way preferably only has below the displacement body has at least two reinforcement threads.
  • Such a molding insert can advantageously be used to produce a concrete slab, in particular a prestressed concrete slab, without reinforcing iron (apart from the lower reinforcing rods mentioned, which are held by the lower receiving devices of the displacement bodies).
  • the upper reinforcement rods of the concrete molding insert can be dispensed with according to the independent inventive idea ⁇ .
  • the upper reinforcement bars of the concrete molding insert are statically superfluous for such a concrete slab, especially prestressed, and are also not required as a support for an additional upper reinforcement (also statically superfluous) ⁇ .
  • Warping ⁇ on top rebars of the concrete form insert has ⁇ economic and environmental benefits, particularly as the production of 1kg of rebar emits approximately 10 times more carbon dioxide ⁇ than the production of 1kg of concrete.
  • the displacement bodies according to the invention have the very special advantage that, according to the independent idea of the invention, they can also be used in a stable manner without upper reinforcements.
  • the reference plane mentioned above can be any desired, in particular horizontal, plane with a fixed spatial reference to the displacement body.
  • the reference plane can be the, in particular horizontal, center plane of the closed shell.
  • the reference plane can in particular also be the connection plane in which two (preferably identical) displacement body parts are connected to one another, from which the displacement body is composed. If the displacement body is composed of two identical displacement body parts, in particular shell-shaped parts, the above-mentioned connecting plane is preferably identical to the central plane of the closed shell.
  • the planes mentioned above (first, second, third and fourth plane), in which a rebar can be kept at a distance from the closed shell and/or from the reference plane of the closed shell, are preferably planes which are horizontal and/or extend outside the closed envelope.
  • the displacement body is off composed of a first displacement body part and a second displacement body part.
  • the first displacement body part and the second displacement body part can advantageously be shaped in such a way that they can be connected to one another and together form the closed shell in the connected state.
  • Such an embodiment is particularly advantageous from a logistical point of view, because the displacement body parts can be transported in a particularly space-saving manner, particularly if they are designed to be stackable one inside the other.
  • the first displacement body part and the second displacement body part can be of the same design, which is also advantageous from a logistical point of view.
  • the first displacement body part has a first connection device and that the second displacement body part has a second connection device, the first connection device and the second connection device interacting to connect the first displacement body part and the second displacement body part.
  • the first connection device and the second connection device are of the same design ⁇ .
  • the first connecting device and the second connecting device can each have at least one latching element ⁇ .
  • the first displacement body part and the second displacement body part are each shell-shaped and can be connected to one another by performing a connecting movement perpendicular to the plane of the shell opening by means of the connecting devices.
  • the first displacement body part has an at least partially circumferential edge Seal nut ⁇ engages a spring of the second displacer file ⁇ .
  • the second displacement body part has a sealing groove that runs at least partially around the edge and into which a spring of the first displacement body part engages.
  • the first displacement body part has a first sealing nut ⁇ running around half the edge, in which a second spring of the second displacement body part running around half the edge engages ⁇ .
  • the second displacement body part has a second sealing nut ⁇ running around half of the edge, in which a first spring of the first displacement body part running around half the edge engages ⁇ .
  • At least two of the first, second and third (and possibly further) receiving devices are located on different sides of the closed cover.
  • at least one first receiving device can be arranged on the underside of the closed shell, for example, while at least one second receiving device is arranged on the upper side of the closed shell.
  • at least two of the first, second and third (and optionally further) planes are located on different sides of the closed shell and/or the reference plane.
  • At least two of the receiving devices are located on an underside of the closed shell.
  • several identical (in particular several first and/or several second and/or several third and/or several fourth) receiving devices are arranged on the underside of the closed shell, it is possible to use at least two reinforcement fibers in the same (first or second or drift or fourth) level, which results in a high level of stability and stability of the shaping insert to be shaped ha ⁇ .
  • At least one of the receiving devices is designed to hold a rebar immobile both, preferably all around, in the radial direction (relative to the rebar) and in the axial direction (relative to the rebar). In this way it is advantageously achieved ⁇ that the displacement body remains in the intended position before and during concreting, in particular relative to other displacement bodies of the concrete molding insert and/or relative to the formwork ⁇ .
  • a receiving device can have a number of different functional elements, in particular for producing a frictional connection and/or for producing a form-fitting connection and/or for clamping and/or gripping and/or positioning a reinforcing bar.
  • At least one of the receiving devices has a groove into which a probation bar can be positively inserted.
  • at least one of the receiving devices has at least two grooves which are arranged in such a way that one (and the same) probation bar can be inserted in both grooves with a positive fit.
  • At least one of the receiving devices can have a hook which is designed to attach a probation flag embrace.
  • the hook can be designed as a snap hook and/or snap hook.
  • the hook can, for example, be designed in such a way and in particular arranged at an angle different from 90 degrees to the desired final alignment of the rebar such that an elastically movable part of the hook is pushed to the side by the rebar when a rebar is inserted and then, due to its elasticity, over the rebar springs back to its original position so that the rebar is held by the hook.
  • the angle can be 45 degrees.
  • At least one of the receiving devices has at least two, in particular identical, hooks which are designed and arranged to encompass the same probation bar.
  • the hooks can be aligned opposite one another, which ensures that the reinforcing bar is held particularly securely and reliably.
  • Each of the hooks can be constructed as described above.
  • At least one of the receiving devices can have a clamping gap ⁇ .
  • a clamping gap ⁇ is particularly advantageous for securing a rebar in the axial direction.
  • the clamping gap can be formed, for example, between two clamping edges that are not parallel to one another.
  • the clamping gap ⁇ can be formed between two cones or truncated cones.
  • at least one of the receiving devices has at least two clamping gaps, which are arranged in such a way that one (and the same) probation bar can be positively inserted into both clamping gaps and is held by both clamping gaps.
  • the displacement body has at least two receiving devices, in particular on the same side, one of the receiving devices being designed, in particular exclusively, for a probation rod oriented along a first direction, and wherein the other receiving device is designed, in particular exclusively, to receive a probationary bar oriented in a direction perpendicular to the first direction.
  • the displacement body has at least two receiving devices, in particular on the same side, one of the receiving devices being designed, in particular exclusively, for a probation rod oriented along a first direction, and wherein the other receiving device is designed, in particular exclusively, to receive a probationary bar oriented in a direction perpendicular to the first direction.
  • a third receiving device can be present on the upper side, which can be used as an alternative to the second receiving device for the upper rebar and which holds the upper rebar in a different plane to achieve a different vertical spacing from the lower rebar.
  • the third receiving device can be configured to hold the upper rebar parallel to the lower rebar.
  • the displacement body in particular on the same side, has at least two receiving devices ⁇ , with one of the receiving devices being designed, in particular exclusively, to receive a probation bar, which is aligned along one direction, and wherein the other receiving device is designed, in particular exclusively, to receive a probationary bar that is oriented in the same direction.
  • the concrete molding insert can be designed in such a way that different combinations of receiving devices, by means of which the reinforcing bars are kept at a distance from the closed shell and/or from the, in particular horizontal, reference plane of the closed shell, can be selected and used, with different combinations for different Distances, especially vertical distances, the levels, especially vertical planes, result in which the Reinforcing bars are arranged.
  • a concrete molding insert that is designed to be arranged in a formwork before a befoning process, containing at least one displacement body that is arranged or can be arranged between two horizontally running reinforcement threads, which is held at a distance directly from receiving devices of the displacement body with the displacement body having a plurality of receiving devices which are arranged and/or designed in such a way that different vertical distances between the reinforcing bars can be implemented.
  • At least one of the displacement bodies has exactly three reinforcing bars fixed to it, with preferably two reinforcing bars, in particular parallel to one another, on the undersides of the displacement bodies and one reinforcing bar the tops of the sinkers is held.
  • At least two reinforcing rods are arranged on one side, in particular on the underside.
  • exactly one reinforcing bar is arranged on the other side, in particular on the upper side.
  • the displacement bodies are designed as connecting elements which connect the reinforcing bars, in particular directly, to one another.
  • the displacement bodies are the only connecting elements that connect the reinforcing rods, in particular directly, to one another.
  • at least one displacement body of the concrete molding insert as Connecting element ⁇ which connects two reinforcing bars which are arranged in different mutually parallel, in particular horizontal, planes.
  • An embodiment of the concrete molding insert is particularly advantageous in which individual reinforcing rods are connected to one another by means of the displacement bodies, which are not part of a reinforcing mat made of reinforcing rods welded to one another.
  • at least one displacement body of the concrete molding insert connects at least two reinforcing rods with one another, which are arranged in different parallel, in particular horizontal, planes and which are arranged orthogonally to one another in the projection onto one of the planes.
  • at least one displacement body of the concrete molding insert connects two mutually parallel reinforcing bars which are arranged in different mutually parallel, in particular horizontal planes.
  • concrete molding inserts that are largely arbitrarily shaped and adapted to the respective spatial requirements can be produced, in particular on the construction site.
  • not only concrete molding inserts can be produced in which all displacement bodies are arranged linearly in a row.
  • an angled concrete molding insert and/or a concrete molding insert which has a plurality of displacement bodies in each case ⁇ in two dimensions and extends over a larger area, for example the entire ceiling area in a building under construction, ⁇ .
  • Such a concrete molding insert can be individually adapted to the shape and size of the concrete component to be produced, in particular a concrete slab, in a particularly advantageous manner construction site can take place.
  • At least one displacement body of the concrete molding insert has at least one lower and connects at least one upper rebar which is orthogonal to each other in the projection, in particular on a plane which is parallel to both rebars and/or which is a horizontal plane.
  • the lower rebar is fixed to a lower receiving device of the displacement body, particularly advantageously by a snap-in connection
  • an upper rebar in the projection orthogonal to the lower rebar is fixed to an upper receiving device of the displacement body , particularly advantageously by means of a snap-in connection.
  • Also of particular advantage is a method for producing a concrete component, in particular a concrete slab, in which at least one concrete molding insert according to the invention is arranged in a formwork, in particular fastened, and the formwork is filled with liquid concrete in one or more steps.
  • a concrete component, in particular a concrete surface, which contains at least one displacement body according to the invention and/or a concrete molding insert according to the invention ⁇ is particularly advantageous.
  • a concrete molding insert is particularly advantageous according to the aspects mentioned below, each of which can be realized alone or in combination with at least one of the features described above or in the claims.
  • Concrete molding insert which is designed to be arranged in a formwork before a befoning process, with several displacement bodies, characterized by several individual reinforcement layers, which are arranged in at least two different parallel, in particular horizontal, planes, the displacement bodies being designed as connecting elements are and wherein the individual Bewehrungssfäbe of the different levels are connected to each other by means of the displacement body.
  • Forming insert according to aspect 1 characterized in that at least one displacement body of the forming insert connects at least two reinforcement fibers with one another, which are arranged in different parallel, in particular horizontal, planes and which are arranged orthogonally to one another in the projection onto one of the planes.
  • Concrete molding insert according to aspect 1 or 2 characterized in that at least one displacement body of the concrete molding insert connects two mutually parallel reinforcing rods which are arranged in different mutually parallel, in particular horizontal planes.
  • At least one of the displacement bodies preferably all displacement bodies, have a closed shell, wherein a. at least one first receiving device, which is designed to hold a reinforcing bar running in a first plane at a distance from the closed shell and/or from a, in particular horizontal, reference plane of the closed shell, and b. at least one second receiving device, which is designed to hold a rebar running in a second plane, which is parallel to and spaced from the first plane, at a distance from the closed shell and/or from the reference plane of the closed shell, c. at least one third receiving device adapted to hold a rebar extending in a third plane parallel and spaced apart from the first and second planes, spaced from the closed shell and/or from the reference plane of the closed shell to keep.
  • Concrete forming insert according to aspect 4 characterized by at least a fourth receiving device adapted to hold a reinforcing bar spaced from the closed one and extending in a fourth plane parallel to and spaced from the first and second and third planes Cover and / or to keep the reference plane of the closed shell.
  • Connecting device comprising ⁇ , wherein the first connecting device and the second connecting device cooperate and connect the first displacer part and the second displacer part.
  • Connecting device each have at least one Rastelemen ⁇ .
  • first displacement body part and the second displacement body part are each shell-shaped and can be or are connected to one another by performing a connecting movement perpendicular to the plane of the shell opening by means of the connecting devices.
  • first displacement body part has a sealing groove that runs at least partially around the edge and into which a spring of the second displacement body part engages and/or that the second displacement body part has a sealing groove that runs at least partially around the edge. exhibit ⁇ which is engaged by a spring of the first displacer part ⁇ .
  • Concrete molding pad according to any one of aspects 4 to 12 characterized in that at least two of the receiving devices are located on different sides of the closed shell.
  • Concrete molding insert according to any one of aspects 4 to 13 characterized in that at least two of the planes are on different sides of the closed shell and/or the reference plane.
  • Recording devices, in particular exclusively, trained for this ⁇ is to receive a probationary bar oriented ⁇ along a first direction and wherein the other receiving device is adapted, in particular exclusively, to receive a probationary bar oriented in a direction perpendicular to the first direction.
  • Reinforcing bars which preferably have no material connection and in particular no welded connection, are arranged in at least two different levels and, in particular exclusively, are connected to one another by means of displacement bodies. 34.
  • Concrete ceiling characterized in that at least one concrete molding insert according to one of aspects 1 to 32 is arranged, in particular fastened, in a formwork and that the formwork is filled with liquid concrete in one or more steps.
  • Concrete component in particular concrete cover, containing at least one
  • Fig. 1 shows schematically a side view of a first
  • FIG. 2 to 6 schematically the first embodiment of a displacement body according to the invention with reinforcement threads held in different planes
  • Fig. 9 is a schematic side view of the second embodiment looking in direction B-B
  • Fig. 10 is a schematic side view of the second embodiment looking in direction A-A
  • Fig. 11 is a schematic top view of the second embodiment of a device according to the invention.
  • FIG. 13 shows a schematic side view looking in direction BB of the second exemplary embodiment with the first constellation of held reinforcement threads looking in direction BB
  • Figure 14 shows schematically a top view of the second
  • Figure 15 is a schematic bottom view of the second
  • Fig. 16 shows a schematic side view looking in direction B-B of the second embodiment with the second constellation of held reinforcement threads looking in direction B-B,
  • Figure 17 is a schematic top view of the second
  • Figure 18 is a schematic bottom view of the second
  • Fig. 19 is a schematic side view looking in direction B-B of the second embodiment with the third constellation of held reinforcement threads looking in direction B-B
  • Fig. 20 is a schematic side view looking in direction A-A of the second embodiment with the third constellation of held reinforcement threads
  • FIG. 21 shows a schematic detail view of an exemplary embodiment of a receiving device according to the invention displacement body
  • FIG. 22 shows a schematic detailed view of a third exemplary embodiment of a device according to the invention
  • FIG. 23 is a perspective view of a fourth embodiment of a displacement body according to the invention
  • FIG. 24 is a perspective view of a first embodiment of a shaping insert according to the invention
  • FIG. 25 shows a perspective view of a second exemplary embodiment of a molding insert according to the invention
  • FIG. 27 shows a view of a third exemplary embodiment of a molding insert according to the invention
  • FIG. 28 is a view of a fourth embodiment of a concrete molding insert according to the invention
  • FIG. 29 is a view of a fifth embodiment of a concrete molding insert according to the invention.
  • FIG. 30 is a view of a sixth embodiment of a concrete form insert according to the invention.
  • FIG. 1 shows a schematic side view of a first exemplary embodiment of a displacement body 1 according to the invention with a closed shell 2.
  • Figures 2 to 4 show an example of the displacement body 1 with different constellations of Reinforcing bars, which in this embodiment run perpendicular to the plane of the drawing, not all possible constellations being shown.
  • the displacement body 1 has two first receiving devices 3 on its upper side, which are designed to hold a reinforcing bar running in a first plane 4 at a distance (of, for example, 20 mm) from the closed shell 2 and/or from a, in particular horizontal , reference plane 5 of the closed shell 2 to keep.
  • the displacement body 1 also has a second receiving device 6 on its upper side, which is designed to hold a reinforcing bar at a distance in a second plane 7, which is parallel and spaced from the first plane 4 (and perpendicular to the plane of the drawing). (of, for example, 15 mm) to the closed shell 2 and / or to the
  • the displacement body 1 has on its underside two third receiving devices 8 which are designed to each have a reinforcing bar running at a distance in a third plane 9 which is parallel to the first plane 4 and the second plane 7 and spaced apart (For example, 20 mm) to the closed shell 2 and / or to the
  • the displacement body 1 also has on its underside a fourth receiving device 10 which is designed to hold a device in a fourth plane 11 which is parallel to and spaced from the first plane 4 and the second plane 7 and the third plane 9, running rebar at a distance (of, for example, 15 mm) to keep the closed shell 2 and / or to the reference plane 5 of the closed shell 2.
  • a fourth receiving device 10 which is designed to hold a device in a fourth plane 11 which is parallel to and spaced from the first plane 4 and the second plane 7 and the third plane 9, running rebar at a distance (of, for example, 15 mm) to keep the closed shell 2 and / or to the reference plane 5 of the closed shell 2.
  • Figure 2 shows the first embodiment in a first possible constellation of held rebars 12, 13.
  • two lower rebars 12 are held by the third receiving devices 8 on the underside, while an upper rebar 13 is on the top is held by the second receiving device 6.
  • the longitudinal extension directions of the probationary rods 12, 13 run perpendicular to the plane of the drawing.
  • the second level 7, in which the upper probationary area 13 is arranged, and the third level 9, in which the lower probationary area 12 is arranged, are at a first distance 14 from one another.
  • Figure 3 shows the first embodiment in a second possible constellation of held probation bars 12, 13.
  • two lower probation bars 12 are held by the third receiving devices 8 on the underside, while on the upper side two upper probation bars 13 are held by the first receiving devices 3 are held.
  • the longitudinal extension directions of the probation bars 12, 13 are perpendicular to the plane of the drawing.
  • the first level 4, in which the upper reinforcement bars 13 are arranged, and the third level 9, in which the lower reinforcement bars 12 are arranged, are at a second distance 15 from one another, which is greater than the first distance 14.
  • Figure 4 shows the first embodiment in a third possible constellation of held rebars 12, 13.
  • a lower rebar 12 is held by the fourth receiving device 10 on the underside, while on the upper side an upper rebar 13 is held by the second receiving device 6 is held.
  • the longitudinal extension directions of the probation bars 12, 13 are perpendicular to the plane of the drawing.
  • the second level 7, in which the upper reinforcement bar 13 is arranged, and the fourth level 11, in which the lower reinforcement bar 12 is arranged, have a third distance 16 from one another, which is smaller than the first distance 14 and the second distance 16 .
  • Figure 5 shows the first embodiment in a fourth possible constellation of held rebars 12, 13.
  • two lower rebars 12 are held by the third receiving devices 8 on the underside, while on the top a single upper rebar 13 is held by one of the first Recording devices 3 is held.
  • the longitudinal directions of the probation bars 12, 13 are perpendicular to the plane of the drawing.
  • the first level 4, in which the upper reinforcement bars 13 are arranged, and the third level 9, in which the lower reinforcement bars 12 are arranged, are at a second distance 15 from one another, which is greater than the first distance 14.
  • Figure 6 shows the first embodiment in a fifth possible constellation of held probation bars 12, 13.
  • a single lower probation bar 12 is held by one of the third receiving devices 8 on the underside, while on the upper side two upper probation bars 13 are held by the first receiving devices 3 are held.
  • the longitudinal extension directions of the probation bars 12, 13 are perpendicular to the plane of the drawing.
  • the first level 4, in which the upper reinforcement bars 13 are arranged, and the third level 9, in which the lower reinforcement bars 12 are arranged, are at a second distance 15 from one another, which is greater than the first distance 14.
  • Fig. 7 shows a schematic view from above of a second exemplary embodiment of a displacement body 2 according to the invention.
  • the displacement body 1 has three first receiving devices 3 on its upper side, which are designed to hold an upper reinforcing bar 13 running in a first plane 4 at a distance from the closed shell 2 and/or from a, in particular horizontal, reference plane 5 of the closed shell 2 to hold.
  • Two of the first fixtures 3 are adapted to each hold an upper rebar 13 oriented in direction B-B.
  • Another of the first fixtures 3 is adapted to hold an upper reinforcing bar 13 oriented in the direction A-A.
  • the displacement body 1 has three second receiving devices 6 on its upper side, which are designed to hold an upper reinforcing bar 13 running in a second plane 7 at a distance from the closed shell 2 and/or from a, in particular horizontal, reference plane 5 of the closed shell 2 to hold.
  • Two of the first Receiving devices 3 are designed to support an upper reinforcement strip 13 oriented in the direction AA.
  • Another of the first receiving devices 3 is designed to support an upper reinforcement strip 13 oriented in the BB direction.
  • Fig. 8 shows a schematic view from below of the second exemplary embodiment of a displacement body 2 according to the invention.
  • the displacement body 1 has three drifts on its underside
  • Recording devices 8 which are designed to help a lower reinforcement fabric 12 running in a third plane 9 at a distance from the closed shell 2 and/or from a, in particular horizontal, reference plane 5 of the closed shell 2. Two of the drifts
  • Receiving devices 3 are designed to support each lower reinforcement strip 12 oriented in direction B-B.
  • Another of the third receptacles 8 is adapted to support an upper armor web 12 oriented in the A-A direction.
  • the displacement body 1 has three fourths on its underside
  • Recording devices 10 which are designed to support a lower reinforcement fabric 12 running in a fourth plane 11 at a distance from the closed shell 2 and/or from a, in particular horizontal, reference plane 5 of the closed shell 2. Two of the fourth
  • Receptacles 10 are configured to support each lower reinforcement strip 12 oriented in direction A-A. Another of the fourth receptacles 10 is adapted to support a lower reinforcement fabric 12 oriented in the B-B direction.
  • Fig. 9 shows a schematic side view of the second exemplary embodiment looking in direction B-B, only the receiving devices for holding the reinforcement threads 12, 13 aligned in direction B-B being shown for the sake of better clarity.
  • Fig.10 shows a schematic side view of the second exemplary embodiment, looking in the direction AA, with only the Receiving devices for holding the reinforcement rods 12, 13 oriented in direction AA are shown.
  • Fig. 11 shows schematically a top view of the second
  • Fig. 12 shows a schematic view of the second from below
  • Two lower rebars 12 are held by the third receiving devices 8 on the underside.
  • Fig. 13 schematically shows a side view looking in direction B-B of the second embodiment with the first constellation of held
  • Rebars 12, 13 It can be seen that the upper and lower rebars 12,13 are in the second level 7 and in the third level 9 and have a first spacing 14 from one another.
  • Fig. 14 schematically shows a top view of the second
  • Fig. 15 schematically shows a bottom view of the second
  • Two lower probation bars 12 are held by the third receiving devices 8 on the underside.
  • FIG. 16 schematically shows a side view looking in direction BB of the second exemplary embodiment with the second constellation of held Reinforcement bars 12, 13. It can be seen that the upper and lower reinforcement bars 12,13 are in the first level 4 and in the third level 9 and have a second distance 15 from one another, which is greater than the first distance 14.
  • Fig. 17 shows schematically a top view of the second
  • Fig. 18 shows schematically a bottom view of the second
  • Embodiment of a displacement body 2 according to the invention mi ⁇ the third constellation of held rebars 12, 13. On the underside, two lower probation bars 12 are held by the third receiving devices 8.
  • Fig. 19 schematically shows a side view looking in the direction B-B of the second exemplary embodiment with the third constellation of held
  • Probationary tests 12, 13 are located in the second plane 7 and in the fourth plane 11 and have a drift distance 16 from one another which is smaller than the first distance 14 and smaller than the second distance 15.
  • Fig. 20 schematically shows a side view looking in the direction A-A of the second exemplary embodiment with the third constellation of held
  • Reinforcement bars 12, 13 are in the second level 7 and in the fourth level 11 and have a third distance 16 from one another, which is smaller than the first distance 14 and is smaller than the second distance 15.
  • FIG. 21 shows a schematic detailed view of an exemplary embodiment of a receiving device 17 of a displacement body 2 according to the invention, which can be, for example, a first receiving device 3, a second receiving device 6, etc.
  • the receiving device 17 has several different functional elements for producing frictional connections and form-fitting connections with a reinforcing bar 12, 13. However, it is possible that another possible receiving device may have completely or partially different functional elements and/or a different combination of these functional elements (or some of these functional elements) with other functional elements ⁇ .
  • the receiving device 17 has a groove 18 into which a probation rod 12, 13 (shown in broken lines in the figure) can be inserted in a form-fitting manner.
  • the receiving device 17 also has a hook 19 which is designed to engage around a probation bar 12, 13 and which is designed as a snap hook.
  • the hook 18 is arranged at an angle of 45 degrees to the direction of longitudinal extent of the reinforcing bar 12, 13 to be held.
  • An elastically movable upper part 20 of the hook is pressed when inserting a rebar 12, 13 of the rebar 12, 13 to the side and then jumps back into its original position due to its elasticity over the rebar 12, 13, so that the
  • Rebar 12, 13 is surrounded by the hook 19 and is held.
  • the receiving device 17 also has a clamping gap 21 .
  • the clamping gap 21 is formed between two truncated cones 22 which protrude from the closed shell 2 .
  • Fig. 22 shows a detailed view of a third exemplary embodiment of a displacement body 2 according to the invention with a first receiving device 3 which is designed to hold a reinforcing bar 12, 13 running in a first plane 4 at a distance (of, for example, 20 mm) from the closed shell 2. and with a second receiving device 6 which is designed to hold a reinforcing bar 12, 13 running in a second plane 7 at a distance (of, for example, 15 mm) from the closed shell 2.
  • 23 shows a perspective view of a fourth exemplary embodiment of a displacement body 1 according to the invention.
  • the displacement body 1 is composed of a first displacement body part 23 and a second displacement body part 24 .
  • the first displacement body part 23 and the second displacement body part 24 have the same design and are connected to one another in a latching manner by means of first and second connecting devices 25, 26.
  • the displacement body 1 has three first receiving devices 3 on its upper side, which are designed to each have an upper reinforcing bar 13 running in a first plane 4 at a distance from the closed shell 2 and/or from a, in particular horizontal,
  • the displacement body 1 also has three second receiving devices 6 on its upper side, which are designed to each have an upper reinforcing bar 13 running in a second plane 7 at a distance from the closed shell 2 and/or from a, in particular horizontal,
  • the receiving devices 3, 6 have a plurality of grooves 18 into which a probation rod 12, 13 can be inserted in a form-fitting manner.
  • the receiving devices 3, 6 also have hooks 19 which are designed to grip around a probation rod 12, 13 in each case.
  • each of the hooks 19 belongs to two of the receiving devices 3, 6.
  • the receiving devices 3, 6 also have a plurality of clamping gaps 21 which are each formed between two truncated cones 22 which protrude from the closed shell 2.
  • FIG. 24 shows a perspective view of a first exemplary embodiment of a concrete molding insert 27 according to the invention, which has a plurality of displacement bodies 1 arranged in a row.
  • the displacement bodies 1 of the concrete molding insert 27 act as connecting elements which connect four reinforcing bars 12, 13 which are arranged in different horizontal planes.
  • the lower reinforcing rods 12 are fixed to the displacement body 1 by means of third receiving devices 8, while the upper reinforcement rods 13 are fixed by means of the first receiving devices 3 of the displacement body 1 ⁇ .
  • FIG. 25 shows a perspective view of a second exemplary embodiment of a concrete molding insert 27 according to the invention, which has a plurality of displacement bodies 1 arranged in a row.
  • lower reinforcing bars 12 are fixed to the displacement body 1 by means of third receiving devices 8
  • an upper reinforcing bar 13 is fixed to the displacement body 1 by means of second receiving devices 6, whereby a smaller distance between the planes of the upper and lower reinforcing bars 12, 13 is realized. than in the first exemplary embodiment of a concrete molding insert 27 according to the invention.
  • 26 shows a detailed view of the second exemplary embodiment of a concrete molding insert 27 according to the invention.
  • Fig. 27 shows a view from above of a third exemplary embodiment of a concrete molding insert 27 according to the invention, in which each displacement body 1 is connected with two lower reinforcing bars 12 and with an upper reinforcing bar 13, the lower reinforcing bars 12 being projected onto a horizontal Plane orthogonal to the upper rebars 13 are arranged ⁇ .
  • Fig. 28 shows a view from above of a fourth exemplary embodiment of a concrete molding insert 27 according to the invention, in which each displacement body 1 is connected with two lower reinforcing bars 12 and with two upper reinforcing bars 13, the lower reinforcing bars 12 being projected onto a horizontal Plane orthogonal to the upper rebars 13 are arranged ⁇ .
  • Fig. 29 shows a view from above of a fifth exemplary embodiment of a concrete molding insert 27 according to the invention, in which each displacement body 1 is connected with a lower reinforcing bar 12 and with an upper reinforcing bar 13, the lower reinforcing bars 12 being projected onto a horizontal Plane orthogonal to the top rebars 13 are arranged ⁇ .
  • each displacement body 1 has two lower reinforcing bars 12 and one upper reinforcing bar
  • the exemplary embodiments of the concrete molding inserts 27, in particular the sixth exemplary embodiment, show that the displacement bodies 1 according to the invention together with individual reinforcing rods 12, 13, which are preferably not directly connected to other reinforcing rods, in particular welded, and which in particular are not part a welded reinforcement mat, can form concrete molding inserts 27 that are largely arbitrarily shaped and adapted to the respective spatial requirements.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

L'invention concerne un corps de déplacement qui est configuré pour être disposé dans un coffrage avant une opération de bétonnage. Le corps de déplacement a au moins un premier dispositif de réception, qui est configuré pour maintenir une barre d'armature s'étendant dans un premier plan à une certaine distance de la coque fermée et/ou d'un plan de référence, en particulier horizontal, de la coque fermée. Le corps de déplacement a également au moins un deuxième dispositif de réception, qui est configuré pour maintenir une barre d'armature s'étendant dans un deuxième plan, qui est parallèle au premier plan et espacé de celui-ci, à une certaine distance de la coque fermée et/ou du plan de référence de la coque fermée. Le corps de déplacement a également au moins un troisième dispositif de réception, qui est configuré pour maintenir une barre d'armature s'étendant dans un troisième plan, qui est parallèle au premier et au deuxième plan et espacé de ceux-ci, à une certaine distance de la coque fermée et/ou du plan de référence de la coque fermée.
EP22722764.2A 2021-04-16 2022-04-13 Corps de déplacement et insert de mise en forme de béton Active EP4323600B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
LU500046A LU500046B1 (de) 2021-04-16 2021-04-16 Betonformungseinlage
LU500045A LU500045B1 (de) 2021-04-16 2021-04-16 Verdrängungskörper und Betonformungseinlage
PCT/EP2022/059922 WO2022219067A1 (fr) 2021-04-16 2022-04-13 Corps de déplacement et insert de mise en forme de béton

Publications (2)

Publication Number Publication Date
EP4323600A1 true EP4323600A1 (fr) 2024-02-21
EP4323600B1 EP4323600B1 (fr) 2024-09-04

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EP22722764.2A Active EP4323600B1 (fr) 2021-04-16 2022-04-13 Corps de déplacement et insert de mise en forme de béton

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EP (1) EP4323600B1 (fr)
BR (1) BR112023021103A2 (fr)
WO (1) WO2022219067A1 (fr)

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
PT102332B (pt) 1999-07-12 2012-07-09 Antonio Francisco Febra Elemento de molde perdido para construção de lajes fungiformes
EP1568827A1 (fr) 2004-02-25 2005-08-31 Cobiax Technologies AG Procédé et moyen de fabrication de pièces en béton
DE202006002540U1 (de) 2006-02-17 2006-08-03 Cobiax Technologies Ag Modul zur Herstellung von Betonteilen
PT2075387E (pt) 2007-12-28 2014-12-02 Cobiax Technologies Ag Módulo para fabrico de componentes de betão
ITBO20120296A1 (it) 2012-05-30 2013-12-01 Ind Materiali Edil I S I M E S R Soc Elemento di alleggerimento per pannelli di strutture in calcestruzzo
KR101338944B1 (ko) 2013-04-09 2013-12-09 김상모 중공슬래브용 경량체
PT3045605T (pt) 2015-01-16 2019-12-16 Heinze Gruppe Verwaltungs Gmbh Módulo para o fabrico de componentes em betão
JP2020510769A (ja) 2017-03-07 2020-04-09 エヌエックスティ アイピー プロプライエタリー リミテッドＮｘｔ Ｉｐ Ｐｔｙ Ｌｔｄ プレハブ式デッキユニット，プレハブ式デッキユニットを製造する方法，及び球状空隙形成体
LU101468B1 (de) 2019-11-05 2021-05-11 Unidome Deutschland Gmbh Betonformungseinlage und Verfahren zum Herstellen einer Betonformungseinlage sowie Verfahren zum Herstellen eines Betonbauteils

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EP4323600B1 (fr) 2024-09-04
BR112023021103A2 (pt) 2023-12-12
WO2022219067A1 (fr) 2022-10-20

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