EP3835506B1 - Ancrage de raccordement pour panneaux de béton multicouche et panneau de béton multicouche - Google Patents

Ancrage de raccordement pour panneaux de béton multicouche et panneau de béton multicouche Download PDF

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Publication number
EP3835506B1
EP3835506B1 EP19214728.8A EP19214728A EP3835506B1 EP 3835506 B1 EP3835506 B1 EP 3835506B1 EP 19214728 A EP19214728 A EP 19214728A EP 3835506 B1 EP3835506 B1 EP 3835506B1
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EP
European Patent Office
Prior art keywords
plate
concrete
longitudinal side
connecting anchor
thermal insulation
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
EP19214728.8A
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German (de)
English (en)
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EP3835506A1 (fr
Inventor
Matthias Roik
Klaus Fröhlich
Norbert Dreikluft
Vedran Sidlik
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.)
Leviat GmbH
Original Assignee
Leviat 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 Leviat GmbH filed Critical Leviat GmbH
Priority to EP19214728.8A priority Critical patent/EP3835506B1/fr
Priority to PL19214728.8T priority patent/PL3835506T3/pl
Priority to FIEP19214728.8T priority patent/FI3835506T3/fi
Priority to CN202011435971.0A priority patent/CN112942667A/zh
Publication of EP3835506A1 publication Critical patent/EP3835506A1/fr
Application granted granted Critical
Publication of EP3835506B1 publication Critical patent/EP3835506B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E04C2002/045—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete with two parallel leaves connected by tie anchors
    • E04C2002/046—Flat anchors

Definitions

  • the invention relates to a connecting anchor of the type specified in the preamble of claim 1 and a multi-layer concrete slab of the type specified in the preamble of claim 12.
  • connecting anchor for multi-layer concrete slabs, so-called sandwich panels, which is essentially designed as a rectangular panel. Adjacent to both longitudinal sides, the connecting anchor has openings through which anchoring rods can be inserted.
  • the US 4,624,089A discloses a connecting anchor for use in sandwich panels, which has bent end sections on one longitudinal side, through which anchoring rods are inserted.
  • the EP 0 381 000 A1 discloses a multi-layered concrete slab bordered by profiles at its outer edges.
  • the connecting anchors, the ends of which are embedded in the concrete slabs, are designed as flat slabs.
  • the BE 898 653 A shows a concrete slab with a generic connecting anchor. At its end sections, the connecting anchor has tabs which are bent out of the plane of the connecting anchor.
  • the FR 2 987 467 A1 discloses plate-shaped connecting anchors to which anchoring elements are fixed.
  • the DE 198 48 228 A1 shows connecting anchors bent from wire.
  • the object of the invention is to provide a connecting anchor for multi-layer concrete slabs which has improved properties.
  • a further object of the invention is to specify multi-layer concrete slabs with an advantageous structure.
  • this object is achieved by a connecting anchor having the features of claim 1 .
  • the object is achieved by a concrete slab having the features of claim 12.
  • the plate has an end section adjacent to at least one longitudinal side, in which the plate at a first bending point in a first bending direction from the plane of the plate and at a second bending point in a second bending direction, which runs in the opposite direction to the first bending direction, is bent. Because the plate is bent out of the plane of the plate and back in the direction of the plane of the plate, the plate has a zigzag shape. As a result, undercuts are formed on both sides of the plate in the direction of a center plane lying between the longitudinal sides of the plate. If the connecting anchor is embedded in the concrete of a sandwich panel, undercuts result in the direction of the thermal insulation layer.
  • the overall thickness of the plate can be kept small, so that the plate can be easily inserted into the spaces between existing reinforcements of a concrete layer.
  • the configuration of the at least one end section with a first and a second bending point is particularly advantageous for textile-reinforced concrete layers.
  • the first and second bending points are provided in particular when the thickness of the concrete layer into which the connecting anchor protrudes is comparatively small.
  • the thickness of the concrete layer is preferably less than 5 cm.
  • the plate has a wavy profile which is formed by a number of bending points. At least four bending points per end section are considered particularly advantageous. The wavy profile is created in particular by the fact that the bending points are arranged at the same distance from the plane of the panel.
  • the plate has an end section with at least one first bending point and one second bending point adjacent to each longitudinal side. End sections with a wavy profile are preferably provided on both longitudinal sides.
  • the plate advantageously has at least one recess on the at least one longitudinal side.
  • the bottom of the recess is advantageously rounded, preferably formed in a continuous radius. This can minimize stresses at the bottom of the recess.
  • the at least one recess preferably separates fingers of the plate from one another. At least two fingers, which are separated from one another by a recess, are particularly preferably provided on each longitudinal side of the plate.
  • the plate has at least one opening protruding through the plate on the at least one longitudinal side.
  • the at least one opening is advantageously arranged in a finger.
  • Each finger particularly preferably has at least two openings.
  • the two openings of each finger are advantageously offset from one another both in the longitudinal direction and in the vertical direction of the plate.
  • the at least one opening protrudes advantageously through the area of the end portion of the has at least one bending point.
  • the at least one opening is advantageously arranged at least partially between two bending points.
  • the at least one opening achieves improved anchoring of the connecting anchor, in particular in textile-reinforced concrete layers. If the concrete layer has no textile reinforcement, but rather reinforcement rods, the at least one opening can be used to accommodate a reinforcement rod, which forms additional reinforcement for the slab.
  • At least two receptacles are advantageously arranged on the plate, which are arranged at different distances from the second longitudinal side.
  • a delimiting element for delimiting the insertion depth of the connecting anchor into the thermal insulation layer is detachably held.
  • the delimiting element can be optionally arranged in one of the at least two receptacles due to the detachable fixation in the receptacle.
  • the insertion depth of the connection anchor into the thermal insulation layer is specified by the selection of a receptacle. Because several receptacles are provided at different distances from the second longitudinal side, the depth of insertion of the connecting anchor into the thermal insulation layer can be adjusted.
  • one of the concrete layers preferably a second concrete layer, which forms the facing shell
  • the thermal insulation layer is then placed on this concrete layer.
  • the at least one connecting anchor is pressed through the thermal insulation layer into the not yet hardened concrete layer.
  • the connecting anchor is pressed into the thermal insulation layer until a support section of the delimiting element comes into contact with the upper side of the thermal insulation layer, making it difficult or impossible for the connecting anchor to be pushed further into the thermal insulation layer and the first concrete layer that has already been poured.
  • the second concrete layer is then poured onto the thermal insulation layer, and the sections of the connection anchors which project beyond the thermal insulation layer are cast in this concrete layer.
  • Through the adjustable insertion depth can be used to ensure that the connecting anchor cannot be pushed to the outside of the second concrete layer, particularly in the case of thin concrete layers. This ensures that the connection anchor is not visible from the outside of the concrete slab.
  • the at least one receptacle is arranged in a transverse side of the panel.
  • the delimiting element can preferably be inserted or clipped into the receptacle.
  • the at least one receptacle is arranged between the transverse sides of the panel.
  • the receptacles arranged between the transverse sides are advantageously designed to be closed over their entire circumference.
  • the delimiting element is designed in two parts. This allows the sections to be placed in the socket from opposite sides of the socket and then joined together. Provision can be made for a plate to have receptacles on a transverse side as well as receptacles between the transverse sides of the plate.
  • the receptacles are arranged mirror-symmetrically to a center plane of the plate running centrally between the longitudinal sides.
  • the limiting element can be used both to limit the depth of insertion in the first layer of concrete and to limit the depth of insertion in the second layer of concrete.
  • the plate is mirror-symmetrical to the center plane.
  • the shape of the connecting anchor is advantageously adapted with regard to low heat transfer between the concrete layers.
  • the shape of the section of the plate intended to be arranged in the heat-insulating layer deviates from this a rectangular shape.
  • the long side with a shorter length is preferably arranged in the concrete layer with a lower thickness, advantageously in the facing shell.
  • at least one transverse side runs in at least one section, in particular in the section to be arranged within the thermal insulation layer, at an angle of less than 90° to one of the longitudinal sides.
  • the connecting anchor has at least one further recess in the area that is intended for arrangement in the thermal insulation layer. The at least one further recess reduces the heat transfer from the first to the second longitudinal side.
  • the concrete slab comprises a first concrete layer, a second concrete layer and a thermal insulation layer arranged between the concrete layers and at least one connecting anchor.
  • the connecting anchor comprises a plate which has a first and a second longitudinal side. The first longitudinal side is arranged in the first concrete layer and the second longitudinal side in the second concrete layer.
  • the slab has a first lateral side and a second lateral side which extend from the first concrete layer through the thermal barrier layer into the second concrete layer.
  • the panel Adjacent to at least one longitudinal side, the panel has an end section which is arranged in one of the concrete layers and in which the panel is bent at a first bending point in a first bending direction out of the plane of the panel and at a second bending point in a second bending direction, which is the opposite direction to the first Bending direction is bent.
  • the at least two bending points in the end section which is arranged in one of the concrete layers, result in improved anchoring of the end section in the concrete.
  • the concrete slab is advantageously a so-called sandwich slab, in which the two concrete layers are arranged directly on the two opposite flat sides of the thermal insulation layer and are firmly connected to it.
  • the plate has at least two receptacles which are arranged at different distances from a second longitudinal side of the plate, with a limiting element being arranged in one of the receptacles, which rests with a contact section on the thermal insulation layer.
  • the plate has at least two receptacles, the depth of insertion of the connecting anchor into the thermal insulation layer and one of the concrete layers can be easily adjusted.
  • a desired insertion depth can be ensured by arranging the limiting element in the receptacle provided. If several connecting anchors are intended for a concrete slab, it can be ensured that all connecting anchors protrude into the concrete layer by the same amount. All of the delimiting elements of the connecting anchor are arranged in receptacles in the panel that are at the same distance from the second long side of the panel. This achieves an even insertion depth of the panel into the thermal insulation layer.
  • the plate advantageously has at least one recess on the at least one longitudinal side, which cut-out separates two fingers of the plate from one another.
  • the fingers protrude into one of the layers of concrete.
  • a bottom of the recess is arranged in the thermal barrier coating.
  • the fact that the bottom of the recess is arranged in the thermal insulation layer results in a reduced heat input into the concrete layer into which the fingers protrude. This achieves improved thermal insulation.
  • the fact that the bottom of the recess is arranged in the thermal insulation layer results in an enlarged cross-section of the panel in the thermal insulation layer, so that sufficient strength of the panel is achieved and high forces can be transmitted between the concrete layers.
  • the concrete slab 1 schematically shows a section of a concrete slab 1.
  • the concrete slab 1 has a multilayer structure.
  • the concrete slab 1 comprises a first concrete layer 11, which is advantageously a base layer, a second concrete layer 12, which in particular forms a facing shell, and a thermal insulation layer 2 arranged between the first concrete layer 11 and the second concrete layer 12.
  • a connecting anchor 3 For the transmission of forces between the first concrete layer 11 and the second concrete layer 12 through the thermal insulation layer 2 through at least one connecting anchor 3 is provided.
  • a plurality of connecting anchors 3, optionally in combination with needle-shaped connecting anchors (not shown) or other types of connecting anchors, are preferably distributed in a predetermined arrangement in the concrete slab 1.
  • the connecting anchor 3 includes a plate 4.
  • the plate 4 has an approximately rectangular shape. A different shape of the plate 4 can also be advantageous.
  • the slab 4 has a first longitudinal side 5, which is arranged in the first concrete layer 11, and an opposite, second longitudinal side 6, which is arranged in the second concrete layer 12.
  • the two longitudinal sides 5 and 6 are connected to one another via transverse sides 7 and 8 .
  • the transverse sides 7 and 8 extend from the first concrete layer 11 through the thermal insulation layer 2 into the second concrete layer 12.
  • the plate 4 has an imaginary central plane 31 running centrally between the longitudinal sides 5 and 6 .
  • the plate 4 is mirror-symmetrical to the center plane 31 .
  • the plate 4 has a plurality of receptacles 14 on its transverse sides 7 and 8 .
  • five receptacles 14 are provided on each transverse side 7 and 8, respectively.
  • the receptacles 14 are approximately U-shaped.
  • a limiting element 15 is arranged on each transverse side 7 or 8 in the receptacles 14 that are closest to the second longitudinal side 6 .
  • the limiting element 15, which is described in more detail below, limits the insertion depth t of the connecting anchor 3 in the composite of thermal insulation layer 2 and second concrete layer 12 when producing the concrete slab 1.
  • the thermal insulation layer 2 has a thickness k1 .
  • the plate 4 has a plurality of recesses 10 on each longitudinal side 5 and 6 .
  • four recesses 10 are provided on each longitudinal side 5 and 6 .
  • the recesses 10 are slot-shaped and open towards the respective adjacent longitudinal side 5, 6.
  • the recesses 10 have a base 30 which is advantageously curved, in the exemplary embodiment in the shape of a part of a circle. How 1 shows, the bases 30 of the recesses 10, which are arranged adjacent to the second longitudinal side 6, are arranged in the thermal insulation layer 2.
  • the floors 30, which are arranged adjacent to the first longitudinal side 5, run in the first concrete layer 11.
  • the plate 4 is preferably formed from sheet metal of constant thickness.
  • the plate 4 is preferably a bent sheet metal part from which openings, recesses, recesses and the like are punched and which is bent in the end sections 19 and 20 into the desired shape.
  • the plate 4 can be made of steel, for example, preferably made of stainless steel. However, a design made of a different material can also be advantageous.
  • the plate has a length d measured parallel to the center plane 31 and a height h measured perpendicular to the center plane 31 .
  • the height h corresponds at least to the thickness k of the thermal insulation layer 2 (see 1 ) plus double the minimum Embedment depth with which the connecting anchor 3 must protrude into the concrete layers 11 or 12 in order to ensure sufficient force transmission into the concrete layers 11 and 12.
  • the recesses 10 separate individual fingers 13 of the plate 4 from one another.
  • four recesses 10 and five fingers 13 are provided on each longitudinal side 5, 6.
  • the number of fingers 13 and the recesses 10 can be chosen to suit the particular application.
  • the recesses 10 have a width g.
  • the fingers 13 have a width f.
  • the width f of the fingers 13 is advantageously 0.5 to 3 times the width g of the recesses 10.
  • in the end portions 19 and 20 openings 9 are provided.
  • Each finger 13 advantageously has at least one opening 9 , preferably at least two openings 9 .
  • five receptacles 14 are arranged on each transverse side 5, 6.
  • the receptacles 14 of each transverse side 5, 6 are at different distances from the second longitudinal side 6.
  • the receptacle 14 lying closest to the long side 6 has a distance a 1 to the long side 6 .
  • the subsequent receptacle 14 is arranged at a distance a 2 from the longitudinal side 6, which is slightly more than the width of a receptacle 14 greater than the distance a 1 .
  • the other receptacles 14 are arranged at distances a 3 , a 4 and a 5 from the longitudinal side 6 .
  • the distances a 1 to a 5 are selected in such a way that constant distances between adjacent receptacles 14 result. However, different distances between adjacent receptacles 14 can also be advantageous.
  • the distances a 1 to a 5 correspond to the insertion depths t ( 1 ), which can be adjusted by arranging a limiting element 15 in the corresponding receptacles 14.
  • a first bending point 21 is provided in each end section 19, 20, at which the plate 4 is bent out of its plate plane 27 in a first bending direction 25.
  • the plate 4 is bent in a bending direction 26, which is opposite to the bending direction 25.
  • a third bending point 23 there is a further bend in the bending direction 25 and at a fourth bending point 24 there is a further bend in the bending direction 26.
  • the plate plane 27 runs in the flat area of the plate 4 lying between the end sections 19 and 20, centrally between a first flat side 28 and a second flat side 29 of the plate 4.
  • the bending points 22, 23 and 24 are at the same distance from the plane 27 of the plate.
  • bending points 22, 23 and 24 are each bent by 90°. This results in a zigzag or wavy course of the plate 4 in the end sections 19 and 20. How 3 also shows, the plate 4 has a constant thickness p. In the exemplary embodiment, the bending points 21 to 24 run parallel to the longitudinal sides 5, 6.
  • the Figures 4 to 6 show a first embodiment of a delimiting element 15.
  • the delimiting element 15 can be, for example, a bent, shaped wire section.
  • the delimiting element 15 has a support section 16 which connects two feet 17 to one another. In the exemplary embodiment, the feet 17 run at right angles to the support section 16.
  • the support section 16 is designed as a transverse web.
  • a tip 18 is formed on each of the feet 17 with which the delimiting element 15 can be pressed into the thermal insulation layer 2 .
  • the connecting anchor 3 shows the connecting anchor 3 during the manufacture of a concrete slab 1.
  • the connecting anchor 3 carries a limiting element 15 on each transverse side 7 and 8. Both limiting elements 15 are arranged in receptacles 14 which are at the same distance from the second longitudinal side 6.
  • a second concrete layer 12 of the concrete slab 1 has already been poured.
  • a thermal insulation layer 2 is placed on the second concrete layer 12 .
  • the connecting anchor 3 is pressed through the thermal insulation layer 3 and into the not yet set concrete of the second concrete layer 12 until the bearing sections 16 of the delimiting elements 15 are on the upper side of the thermal insulation layer 2 issue.
  • the support sections 16 can be slightly pressed into the thermal barrier coating 2 .
  • FIG 8 shows the arrangement after the connecting anchor 3 has been pressed in.
  • the plate 4 protrudes from the thermal barrier coating 2.
  • the feet 17 and tips 18 are arranged within the thermal barrier coating 2.
  • the delimiting element 15 is arranged in the receptacle 14 which is at a distance a 3 from the second longitudinal side 6 .
  • the thermal barrier coating 2 has a thickness k 2 which is greater than the thickness k 1 of the thermal barrier coating 2 in the exemplary embodiment 1 is.
  • the plate 4 has receptacles 34 for limiting elements 15 arranged between the transverse sides 7 and 8.
  • the receptacles 34 are designed as openings that are closed over their entire circumference.
  • the receptacles 34 can be circular receptacles 34, for example.
  • two rows of five receptacles 34 each are arranged at a distance m from one another.
  • the distance m between the rows is advantageously at least 20% of the length d of the plate 4.
  • Each row of receptacles 34 has five in the exemplary embodiment Shots 34 with different distances a 1 to a 5 to the second longitudinal side 6.
  • a different number of rows of receptacles 34 can also be advantageous.
  • five receptacles 14 are arranged on both transverse sides 7, 8, which have the same distances a 1 to a 5 from the second longitudinal side 6 as the receptacles 34.
  • up to four limiting elements 15 can therefore be attached to the Plate 4 are arranged.
  • the Figures 11 to 13 show an exemplary embodiment of a delimiting element 15 which is intended to be arranged in receptacles 34 .
  • the limiting element 15 is made in two parts.
  • the support section 16 is divided into two sections 16.1 and 16.2.
  • the support section 16 is designed as a web.
  • the two sections 16.1 and 16.2 can be connected to one another, in the exemplary embodiment via a plug connection which is formed by a pin 35 on section 16.2 and a recess 36 on section 16.1.
  • the further structure of the limiting element 15 corresponds to the structure of the Figures 4 to 6 shown limiting element 15.
  • FIG. 15 to 17 another exemplary embodiment of a limiting element 15 is shown.
  • the limiting element 15 from the Figures 15 to 17 has a support section 16 which is designed as a plate.
  • a foot 17 with a tip 18 is arranged on the delimiting element 16 and extends perpendicularly out of the plane of the support section 16 .
  • the support portion 16 has a slot 37 .
  • a web 38 Arranged at the end of the slot 37 is a web 38 which is circular in shape and whose diameter is slightly larger than the thickness of the plate forming the support section 16 .
  • the web 38 protrudes slightly beyond the plane of the support section 16 .
  • the delimiting element 15 can be glued into a receptacle 14 of a plate 4 with the web 38 .
  • All delimiting elements 15 are preferably produced as plastic injection molded parts.
  • FIGS Figures 15 and 17 show two delimiting elements 15 in the design according to FIGS Figures 15 and 17 on a plate 4, which is inserted into a thermal insulation layer 2 and a non-illustrated, underlying second concrete layer 12.
  • the arrangement is with the second layer of concrete 12 in 19 shown.
  • 19 shows the arrangement of the web 38 in the receptacle 14 and the arrangement of the support portion 16 on the thermal barrier coating 2.
  • the thermal barrier coating 2 has a first side 32, which corresponds to that in 19 not shown facing first concrete layer 11, and a second side 33, which is the second concrete layer 12 facing.
  • the support section 16 rests on the second side 32 .
  • the feet 17 and the tips 18 protrude into the thermal barrier coating 2.
  • the bottoms 30 of the recesses 10 run on the second longitudinal side 6 within the thermal insulation layer 2.
  • the concrete slab 20 shows another embodiment of a multi-layer concrete slab 1.
  • the concrete slab 20 comprises a first concrete layer 11 and a second concrete layer 12, in each of which reinforcing rods 39 are arranged.
  • the concrete layers 11 and 12 are connected to each other via connecting anchors 3, of which in 20 one is shown.
  • the reinforcing rods 39 are arranged in a lattice-like manner, parallel and perpendicular to the plate 4 level.
  • the reinforcing bars 39 running parallel to the plane of the plate 4 run at the height of the fingers 13.
  • the reinforcing bars 39 running perpendicular to the plane of the plate 4 run through recesses 10 between adjacent fingers 13. How 20 also shows each finger 13 in the embodiment 20 four openings 9 on. It can be provided that additional rebars are also inserted through individual openings 9 in fingers 13 .
  • the plate 4 after 20 differs from the previous embodiments also in that the basic shape of the plate 4 in which in the Thermal insulation layer 2 arranged section deviates from the rectangular shape.
  • the section of the slab 4 projecting into the second concrete layer 12 is narrower than the section projecting into the first concrete layer 11 .
  • the slab 4 has a width bi that is greater than a width b 2 of the end section 20 protruding into the second concrete layer 12 .
  • a transverse side of the panel 4, in the exemplary embodiment the second transverse side 8, runs partially inclined to the longitudinal sides 5 and 6.
  • the second transverse side 8 closes in part of the area arranged in the thermal insulation layer 2 with the second long side 6 an angle ⁇ , which is less than 90 °.
  • the angle ⁇ is advantageously 20° to 80°, in particular 30° to 70°. In the exemplary embodiment, the angle ⁇ is approximately 60°.
  • the second concrete layer 12 is comparatively thin.
  • the second concrete layer 12 has a thickness n which is advantageously less than 5 cm, in particular less than 4 cm, preferably less than 3 cm.
  • a second concrete layer 12 with a greater thickness n can also be advantageous.
  • the thickness n of the second concrete layer 12 can advantageously be less than 5 cm, in particular less than 4 cm, preferably less than 3 cm.
  • the second concrete layer 12 advantageously has a textile reinforcement. A textile reinforcement is provided in particular for concrete layers 11, 12 with a thickness n of less than 5 cm.
  • the embodiment after 21 shows a concrete slab 1 whose structure is essentially that of the concrete slab 1 20 is equivalent to.
  • the concrete slab 1 off 21 differs from the embodiment 20 by the design of the arranged within the thermal insulation layer 2 section of the plate 4.
  • the plate 4 after 21 has a further recess 40 in addition to the recesses 10 which separate the fingers 13 from one another.
  • the further cutout 40 is arranged in the area of the plate 4 lying within the thermal insulation layer 2 . Due to the further recess 40 webs 42 are formed on both sides of the further recess 40 . As a result, the heat transfer from the second end section 20 to the first end section 19 is reduced.
  • the end portions 19 and 20 are offset from one another in the longitudinal direction of the plate 4.
  • the section of the plate 4 arranged in the thermal insulation layer 2 has the shape of a parallelogram.
  • the end sections 19 and 20 have the same width b.
  • the transverse sides 7 and 8 are inclined to the longitudinal sides 5 and 6 by an angle ⁇ which is less than 90°. In the embodiment after 22 the angle ⁇ is about 60°. Both long sides 7 and 8 are inclined in the same direction. This results in a length d of the plate 4 which is greater than the width b of the end sections 19 and 20. Different widths b of the end sections 19 and 20 can also be advantageous.
  • the embodiment after 23 shows a concrete slab 1 which has a connecting anchor 3 with a slab 4 .
  • the plate 4 has five fingers 13 on each longitudinal side 5 , 6 .
  • the height h of the plate 4 is significantly smaller than the length d. In the exemplary embodiment, the height h is less than half the length d.
  • the thickness k of the thermal barrier coating 2 is comparatively small.
  • Bottoms 30 opposite recesses 10 have a distance c to each other. Due to the fact that the bases 30 of the recesses 10 of both longitudinal sides 5 and 6 protrude into the thermal insulation layer 2, opposite bases 30 have the same design 23 only a small distance c from each other. In this exemplary embodiment, the length e of the fingers 13 is greater than the distance c.
  • the Figures 24 to 29 show different variants for plates 4 of connecting anchors 3, which differ in height h and length d.
  • the number of fingers 13 is adjusted according to the respective length d.
  • the in the Figures 23 to 29 Plates 4 shown have on each transverse side 7, 8 ten shots 14, where five receptacles 14 are arranged on each side of the center plane 31.
  • the receptacles 14 are arranged mirror-symmetrically to the central plane 31, so that the orientation of the slab 4 does not have to be taken into account when a concrete slab 1 is produced.
  • the design of the recordings 14 is in 24a shown in detail. How 24a shows, a locking element 41 is arranged on each receptacle 14, which reduces the entry opening into receptacle 14. The remaining opening to the outside is preferably slightly smaller than the diameter of a delimiting element 15 to be arranged in the receptacle 14. As a result, the delimiting element 15 is locked in the receptacle 14 and is held securely in the receptacle 14, in particular during the installation of the connecting anchor 3 on a thermal insulation layer 2. As the figures show, the latching element 41 in the exemplary embodiment is arranged on the side of a receptacle 14 that is remote from the center plane 31 .
  • Plate 4 shown has two fingers 13 on each longitudinal side 5, 6.
  • the height h is about 0.5 to 1.5 times the length d of the plate 4.
  • three fingers 13 are provided on each longitudinal side 5, 6. Accordingly, the length d of the plate 4 is increased compared to the height h.
  • the length d here is significantly greater than the height h.
  • 27 shows an embodiment with four fingers 13 on each longitudinal side 5, 6.
  • the height h of the plate 4 is in the embodiments according to FIGS Figures 23 to 27 even. Changing the length d changes the forces that can be transmitted between the concrete layers 11 and 12 and is therefore used to adapt a connecting anchor 3 to the prevailing forces.
  • the Figures 28 and 29 show further exemplary embodiments for plates 4 of connecting anchors 3 which, compared to those in FIGS Figures 23 to 27 embodiments shown have a greater height h.
  • the distance c between the bottoms 30 of opposite recesses 10 is also increased.
  • the plates 4 in the Figures 28 and 29 each have two fingers 13 on each longitudinal side 5, 6. Another one too Number of fingers 13 on each longitudinal side 5, 6 can be advantageous.
  • the greater height h allows the use of the plates 4 for thermal insulation layers 2 with greater thickness.
  • the height h is about 1 to 2 times the length d.
  • the height h is 5 to 10 times the length d.
  • the dimensions of the fingers 13 and the recesses 10 are in the embodiments according to Figures 23 to 29 even. By this in the embodiment after 29 If the distance c is increased, at least one bottom 30 of a recess 10 can be arranged outside of the thermal barrier coating 2 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (14)

  1. Ancrage de liaison pour panneaux de béton multicouches, l'ancrage de liaison (3) comprenant un panneau (4) qui présente un premier côté longitudinal (5) destiné à être agencé dans une première couche de béton (11) et un deuxième côté longitudinal (6) destiné à être agencé dans une deuxième couche de béton (12), ainsi qu'un premier côté transversal (7) et un deuxième côté transversal (8), qui relient respectivement le premier côté longitudinal (5) au deuxième côté longitudinal (6),
    le panneau (4) présentant une section d'extrémité (19, 20) adjacente à au moins un côté longitudinal (5, 6), dans laquelle le panneau (4) est incurvé au niveau d'un premier point d'incurvation (21) dans une première direction d'incurvation (25) à partir du plan de panneau (27) du panneau (4) et au niveau d'un deuxième point d'incurvation (22) dans une deuxième direction d'incurvation (26) qui s'étend dans la direction opposée à la première direction d'incurvation (25), caractérisé en ce que le panneau (4) présente dans l'au moins une section d'extrémité (19, 20) un profil ondulé qui est formé par plusieurs points d'incurvation (21, 22, 23, 24).
  2. Ancrage de liaison selon la revendication 1,
    caractérisé en ce que le panneau (4) présente au moins un évidement (10) sur l'au moins un côté longitudinal (5, 6).
  3. Ancrage de liaison selon la revendication 2,
    caractérisé en ce que le fond (30) de l'évidement (10) est configuré sous forme arrondie.
  4. Ancrage de liaison selon la revendication 2 ou 3,
    caractérisé en ce que l'au moins un évidement (10) sépare les uns des autres des doigts (13) du panneau (4).
  5. Ancrage de liaison selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que le panneau (4) présente sur l'au moins un côté longitudinal (5, 6) au moins une ouverture (9) traversant le panneau (4), l'ouverture (9) étant avantageusement agencée dans un doigt (13).
  6. Ancrage de liaison selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que le panneau (4) présente au moins deux logements (14, 34) qui sont agencés à des distances (a) différentes du deuxième côté longitudinal (6) et en ce que, dans l'un des au moins deux logements (14, 34), un élément de délimitation (15) est maintenu de manière amovible pour limiter la profondeur d'insertion (t) de l'ancrage de liaison (3) dans la couche d'isolation thermique (2).
  7. Ancrage de liaison selon la revendication 6,
    caractérisé en ce que l'au moins un logement (14) est agencé sur un côté transversal (7, 8) du panneau (4), l'élément de délimitation (15) pouvant notamment être enfiché ou clipsé dans le logement (14).
  8. Ancrage de liaison selon la revendication 7,
    caractérisé en ce que l'au moins un logement (34) est agencé entre les côtés transversaux (7, 8) du panneau (4), l'élément de délimitation (15) étant notamment configuré en deux parties.
  9. Ancrage de liaison selon l'une quelconque des revendications 6 à 8,
    caractérisé en ce que les logements (14, 34) sont agencés de manière symétrique par rapport à un plan médian (31) du panneau (4) s'étendant au milieu entre les côtés longitudinaux (5, 6).
  10. Ancrage de liaison selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce qu'un côté longitudinal (6) est plus court que l'autre côté longitudinal (5).
  11. Ancrage de liaison selon l'une quelconque des revendications 1 à 10,
    caractérisé en ce qu'au moins un côté transversal (7, 8) s'étend dans au moins une section par rapport à l'un des côtés longitudinaux (5, 6) à un angle (α) inférieur à 90°.
  12. Panneau de béton multicouche comprenant une première couche de béton (11), une deuxième couche de béton (12) et une couche d'isolation thermique (2) agencée entre les couches de béton (11, 12) et au moins un ancrage de liaison (1), l'ancrage de liaison (1) comprenant un panneau (4) qui présente un premier côté longitudinal (5) et un deuxième côté longitudinal (6), le premier côté longitudinal (5) étant agencé dans la première couche de béton (11) et le deuxième côté longitudinal (6) dans la deuxième couche de béton (12), le panneau (4) présentant un premier côté transversal (7) et un deuxième côté transversal (8) qui s'étendent de la première couche de béton (11) à travers la couche d'isolation thermique (2) dans la deuxième couche de béton (12),
    le panneau (4) présentant une section d'extrémité (19, 20) adjacente à au moins un côté longitudinal (5, 6), qui est agencée dans l'une des couches de béton (11, 12) et dans laquelle le panneau (4) est incurvé au niveau d'un premier point d'incurvation (21) dans une première direction d'incurvation (25) à partir du plan de panneau (27) et au niveau d'un deuxième point d'incurvation (22) dans une deuxième direction d'incurvation (26) qui s'étend dans la direction opposée à la première direction d'incurvation (25), et caractérisé en ce que le panneau (4) présente dans l'au moins une section d'extrémité (19, 20) un profil ondulé qui est formé par plusieurs points d'incurvation (21, 22, 23, 24).
  13. Panneau de béton multicouche selon la revendication 12,
    caractérisé en ce que le panneau (4) présente au moins deux logements (14, 34) qui sont agencés à des distances (a) différentes du deuxième côté longitudinal (6), un élément de délimitation (15) étant agencé dans l'un des logements (14, 34), lequel repose avec une section d'appui (16) sur la couche d'isolation thermique (2).
  14. Panneau de béton multicouche selon la revendication 12 ou 13,
    caractérisé en ce que le panneau (4) présente sur l'au moins un côté longitudinal (5, 6) au moins un évidement (10) qui sépare l'un de l'autre deux doigts (13) du panneau (4), les doigts (13) faisant saillie dans l'une des couches de béton (11, 12) et un fond (30) de l'évidement (10) étant agencé dans la couche d'isolation thermique (2).
EP19214728.8A 2019-12-10 2019-12-10 Ancrage de raccordement pour panneaux de béton multicouche et panneau de béton multicouche Active EP3835506B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19214728.8A EP3835506B1 (fr) 2019-12-10 2019-12-10 Ancrage de raccordement pour panneaux de béton multicouche et panneau de béton multicouche
PL19214728.8T PL3835506T3 (pl) 2019-12-10 2019-12-10 Kotwa łącząca do wielowarstwowych płyt betonowych i wielowarstwowa płyta betonowa
FIEP19214728.8T FI3835506T3 (fi) 2019-12-10 2019-12-10 Kiinnitysankkuri monikerroksisia betonilaattoja varten ja monikerroksinen betonilaatta
CN202011435971.0A CN112942667A (zh) 2019-12-10 2020-12-10 用于多层混凝土板的连接锚和多层混凝土板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19214728.8A EP3835506B1 (fr) 2019-12-10 2019-12-10 Ancrage de raccordement pour panneaux de béton multicouche et panneau de béton multicouche

Publications (2)

Publication Number Publication Date
EP3835506A1 EP3835506A1 (fr) 2021-06-16
EP3835506B1 true EP3835506B1 (fr) 2023-06-07

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EP19214728.8A Active EP3835506B1 (fr) 2019-12-10 2019-12-10 Ancrage de raccordement pour panneaux de béton multicouche et panneau de béton multicouche

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Country Link
EP (1) EP3835506B1 (fr)
CN (1) CN112942667A (fr)
FI (1) FI3835506T3 (fr)
PL (1) PL3835506T3 (fr)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008402A1 (de) * 1970-02-24 1971-11-18 Haeussler, Ernst, Dr.-Ing., 4300 Essen Verbundanker
DE2150120A1 (de) * 1971-10-07 1973-04-26 Thor Waerner & Co Gmbh Profilband
DE2514300C2 (de) 1975-04-02 1982-12-30 Ernst Dr.-Ing. 4300 Essen Haeussler Rechteckige Mehrschichtenstahlbetonplatte
DE3325352A1 (de) 1983-07-14 1985-02-21 Fricker, Siegfried, 7135 Wiernsheim Verbundanker einer schichtverbundplatte zur herstellung von gebaeudewaenden
BE898653A (nl) * 1984-01-11 1984-05-02 Cbr Cementbedrijven Nv Verbindingsstuk voor sandwichpaneel en aldus bekomen sandwichpaneel
IT1228022B (it) * 1989-01-30 1991-05-27 Zambelli Sergio Zambelli Benit Pannello prefabbricato in calcestruzzo con strato termicamente isolante o di alleggerimento.
DE19848228A1 (de) * 1998-10-20 2000-04-27 Loesch Gmbh Betonwerke Plattenbauelement
DE20117798U1 (de) * 2001-10-31 2002-02-14 Frisch, Hans, 89343 Jettingen-Scheppach Verbundanker
DE202006012881U1 (de) * 2006-08-22 2006-12-21 Frisch, Hans Verbundanker für Betondreischichtenplatten
IT1391657B1 (it) * 2008-11-07 2012-01-17 Carlo Calisse Sistema di connessione per pannelli prefabbricati a taglio termico
FR2978467B1 (fr) * 2011-07-28 2014-06-06 Rech Et D Industrialisation Du Batiment Soc D Panneau de mur comprenant une peau de beton interieure et une peau de beton exterieure
DE202012010850U1 (de) * 2012-11-13 2013-07-15 Gotthard Fixle Verbundanker zur Bildung einer Betonplatteneinheit sowie mit diesem Verbundanker ausgestattete Betonplatteneinheit
US9303404B2 (en) * 2014-07-09 2016-04-05 Lehigh University Insulated structural panel connector
CN106284762B (zh) * 2016-10-14 2018-08-14 成都建筑工程集团总公司 一种带有保温连接片的pcf板的施工方法
CN109594680A (zh) * 2018-12-13 2019-04-09 江苏南通三建集团股份有限公司 一种被动式建筑预制混凝土结构保温墙板拉结件安装方法

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Publication number Publication date
FI3835506T3 (fi) 2023-08-23
PL3835506T3 (pl) 2023-08-14
CN112942667A (zh) 2021-06-11
EP3835506A1 (fr) 2021-06-16

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