EP3556960B1 - Reinforcing assembly and method for producing a building material body using the reinforcing assembly - Google Patents

Description

The invention relates to a reinforcement arrangement for a building material body and a method for producing the building material body using the reinforcement arrangement.

Building material bodies are, among other things, also manufactured in several layers or layers or in sandwich construction. Such a building material body has a building material layer which has a load-bearing function. Concrete or mortar, for example, can be used as building material. An intermediate layer, in particular for insulation, is applied to this building material layer. This intermediate layer is then covered by a further outer layer, which is referred to as the facing layer. As a rule, the intermediate layer can absorb little or no forces. Therefore, anchors are introduced into the load-bearing building material layer, which protrude through the intermediate layer and connect the load-bearing building material layer with the outer layer or facing. The production of such a sandwich building material body is complex. When the building material layer is poured, connecting anchors usually have to be placed and aligned manually in the formwork, to which the outer layer or facing layer can later be attached. Such sandwich panel anchor systems are offered, for example, by Philipp GmbH (www.philipp-gruppe.de).

FR 2 203 312 A5 shows a reinforcement arrangement with a reinforcement body, which is formed from intersecting reinforcement elements. Hinge elements can be arranged on the reinforcement body which hold a reinforcing rod or rod section which is rotatable about its longitudinal axis and which forms a foot section of a retaining anchor unit. The retaining anchor unit also includes further reinforcing bars or rod sections which protrude obliquely or at right angles away from the foot section and represent a retaining section of the retaining anchor unit. The holding sections of the holding anchor unit can be pivoted manually between a storage position and a working position. Similar reinforcement arrangements are also made U.S. 3,559,355 A and WO 2015/097377 A1 known.

DE 20 2012 010 850 U1 describes the production of a building material body in which a reinforcement arrangement is embedded. The reinforcement arrangement has a shear connector which protrudes from the concrete slab when a first concrete slab is poured and extends through an insulating layer. The accessible end can be poured into another concrete slab.

Out DE 10 2016 210 040 A1 a method for producing a fiber-reinforced plastic profile is known. Reinforcing fibers of a fiber bundle are embedded in a plastic matrix. The plastic body can be used as a rebar in a concrete matrix.

GB 2539709 A describes a device for connecting reinforcement cages. GB 2539709 A discloses the features of the preamble of claim 1. Each reinforcement cage consists of reinforcement elements. In one embodiment, the device for connecting has a bracket which delimits an interior space together with a reinforcement element of a reinforcement cage. This interior space can be opened or closed on one side by means of a pivoted lever. The pivotably mounted lever is also mounted on the reinforcement element to which the bracket is attached. It is biased into a position in which it rests against the bracket and closes the interior. At right angles to the plane in which the bracket extends, a component of a further reinforcement cage can protrude, whereby a connection between the reinforcement cages can be established.

It can therefore be seen as the object of the present invention to create a reinforcement arrangement which enables a simple production of a building material body in sandwich design.

This object is achieved by the reinforcement arrangement with the features of patent claim 1 and the method with the features of patent claim 10.

The reinforcement arrangement according to the invention has intersecting reinforcement elements which are connected to one another and form a reinforcement body. The reinforcement body is set up to reinforce a building material layer of a building material body to be produced and in particular to absorb tensile forces in the direction of extension of the reinforcement elements. In one embodiment, the reinforcement body can be designed as a reinforcement grid that extends essentially parallel to a plane.

The reinforcement body is designed as a textile reinforcement and comprises fiber bundles, the fibers of a fiber bundle being connected by a matrix. The matrix can consist of a plastic material or a mineral material. The reinforcement body is preferably free of metallic components.

A retaining anchor unit is arranged on the reinforcement body. The holding anchor unit has a foot section and a holding section which is preferably integrally connected to the foot section. The retaining anchor unit is attached to the reinforcement body by means of the foot section. The fastening between the foot section and the reinforcement body can be non-positive and / or positive and suitable fastening means can be used, for example cable ties, fastening clips or the like.

The holding section can be moved between a functional position and a storage position. For this purpose, the holding section is either mounted movably together with the foot section on the reinforcement body and / or the holding section is movably mounted on the foot section. In the storage position, the holding section extends along the reinforcement body. This is to be understood as a position of the holding section in which the holding section either rests against the reinforcement body or is arranged parallel to it at a small distance or extends at an angle of a maximum of 5, a maximum of 10 or a maximum of 20 degrees to the reinforcement body. In the storage position, the holding section is thus arranged very close to the reinforcement body and has a maximum distance of at most 2 to 3 cm or a maximum of 5 cm from the reinforcement section at each point.

The holding section can be moved into the functional position, for example, by means of a pivoting movement. In the functional position, the holding section protrudes transversely (obliquely or at right angles) away from the reinforcing body, an angle between the holding section and the reinforcing body preferably being at least 30 degrees up to 90 degrees. In the functional position, the holding section assumes the position in which it can be cast into a load-bearing building material layer when a building material body is being produced.

The reinforcement arrangement thus already has at least one retaining anchor unit. Before or after arranging the reinforcement arrangement in a formwork, only the at least one holding section has to be moved into the functional position. Moving into the functional position can be done manually or automatically or automatically. The holding section of the at least one holding anchor unit is urged in the direction of the functional position by means of a pretensioning force and / or a pretensioning torque in order to enable an automatic movement into the functional position. The position and / or orientation of the holding section in the functional position can be structurally predetermined, for example by a mechanical stop and / or the pre-tensioning force and / or the pre-tensioning torque. The reinforcement arrangement can be prefabricated. On the construction site or in a factory for the production of the building material body, there is no need for complex attachment and alignment of individual anchors on the reinforcement body after the reinforcement body has been arranged in the formwork.

The retaining anchor units are preferably arranged at a predetermined grid size or spacing from one another on the reinforcement body, which is based on a standard size of bodies or plates that are used as an intermediate layer in the manufacture of a sandwich building material body, so that the retaining sections each at joints between two bodies or plates of the Intermediate layer protrude through and can establish a connection between an inner, load-bearing building material layer and an outer layer or facing.

Each reinforcement element has at least one fiber bundle which is embedded in a matrix. The reinforcement element is thus designed as a textile reinforcement element. The reinforcement element is preferably free of metallic components.

In the storage position, the at least one retaining anchor unit has a pretensioning force and / or a pretensioning torque applied to it. The pretensioning force and / or the pretensioning moment is directed in such a way that the holding section is urged in the direction of the functional position. As a result, the functional position can be assumed automatically if the holding section is not held in its storage position by external forces acting on it. The pretensioning force can be generated, for example, by a separate pretensioning means and / or by the foot section and / or the holding section itself. For example, a torsional force can be generated in the area of the foot section when the holding section is in its storage position, the torsional force forming the pretensioning force and urging the holding section in the direction of the functional position.

Each retaining anchor unit has two retaining anchors and in particular exactly two retaining anchors. Each retaining anchor has a foot part and a holding part extending at right angles or at an angle to the foot part. A kink and / or a bend can be formed between the foot part and the holding part. The foot part and the holding part preferably enclose a kink or bending angle in the range from 70 degrees to 120 degrees, and more preferably an approximately right angle. Each retaining anchor is arranged directly or indirectly on the reinforcement body by means of its foot part. The foot parts of the two retaining anchors can therefore form the retaining section of the retaining anchor unit. The holding parts of the holding anchors can form the holding section of the holding anchor unit. It is particularly advantageous if each retaining anchor is formed integrally without a seam or joint.

Each retaining anchor has at least one fiber bundle which is embedded in a matrix made of a plastic or a mineral material. The retaining anchors can therefore have the same structure as the reinforcement elements. Each retaining anchor is preferably free from metallic components. Furthermore, each retaining anchor unit is preferably free of metallic components.

In one embodiment, the holding part of each holding anchor is pivotable about a pivot axis. The pivot axis is in particular also defined at least by the direction in which the foot part of the same retaining anchor extends. Thus, the holding part can pivot approximately about the longitudinal axis of the foot part when it moves between the storage position and the functional position. For this purpose, the foot part can be twisted and / or rotatably attached to the reinforcement body.

It is also advantageous if the foot parts of the retaining anchors of the same retaining anchor unit extend in a common plane, and / or if the retaining parts of the retaining anchors of the same retaining anchor unit are essentially in a common plane in their storage position, the retaining parts in their storage position in the plane the foot parts can be arranged.

It is also advantageous if an angle between the foot parts of the retaining anchors of the same retaining anchor unit is less than 180 degrees. In one embodiment, this angle can be at least 90 degrees. As a result, the relative alignment and / or the relative distance between the holding parts can change when the holding parts are moved from the functional position into the storage position. This change in the relative alignment and / or the relative distance can be used to generate or change a pretensioning force and / or a pretensioning torque which urges the holding parts of the holding anchors into the functional position. For example, a pretensioning means can be connected to the holding parts. In particular, the pretensioning means is elastically deformable and / or effects an elastic deformation of the holding parts when they are in the storage position. The prestressing force generated by the prestressing means can change as a function of the elastic deformation of the prestressing means, so that a change in the relative distance can be used to generate the prestressing force.

Any embodiment of the reinforcement arrangement explained above can be used for the production of a building material body as follows:

First, the reinforcement body is arranged in a formwork and the holding section of the at least one holding anchor unit is moved into the functional position. This can be done automatically or manually.

A hardenable building material, for example concrete or mortar, is then poured into the circuit so that the reinforcement body is covered by a layer of building material. The at least one holding section protrudes at least partially from the building material layer. The at least one foot section is preferably completely covered by the building material layer. The building material layer later forms a load-bearing layer of the building material body.

An intermediate layer is then arranged on the building material layer, preferably before the building material layer has hardened. The intermediate layer can be an insulating layer. The intermediate layer preferably has a plurality of bodies or plates. As a rule, the grid dimension of these bodies or plates is known, so that the position of the at least one retaining anchor unit on the reinforcement body can be selected so that the at least one retaining section protrudes in the area of a joint between two adjacent bodies or plates. This means that the bodies or plates do not have to be cut to size or cut out or adapted.

A further layer of building material can then be applied to the intermediate layer, for example also by filling a hardenable building material (e.g. concrete or mortar) into the formwork. This further building material layer is connected to the at least one holding section or its end which protrudes from the intermediate layer. This further building material layer forms a facing shell and is therefore connected to the load-bearing building material layer via the at least one holding section. The building materials of the load-bearing building material layer and the outer layer can differ. The building material body can be referred to as a sandwich building material body due to its layer structure.

• Figur 1 eine schematische Teildarstellung eines Ausführungsbeispiels einer Bewehrungsanordnung mit einem Ausschnitt eines Bewehrungskörpers und einer daran angeordneten Halteankereinheit, deren Halteabschnitt sich in einer Aufbewahrungsstellung befindet,
• Figur 2 das Ausführungsbeispiel der Bewehrungsanordnung gemäß Figur 1, wobei der Bewehrungskörper zur Aufbewahrung zusammengerollt ist und sich der Halteabschnitt der Halteankereinheit in der Aufbewahrungsstellung befindet,
• Figur 3 das Ausführungsbeispiel der Bewehrungsanordnung gemäß der Figuren 1 und 2 in einer schematischen Seitenansicht, wobei der Halteabschnitt der Halteankereinheit eine Funktionsstellung einnimmt,
• Figur 4 ein Ausführungsbeispiel einer Bewehrungsanordnung mit mehreren Halteankereinheiten, deren Halteabschnitte sich in der Funktionsstellung befinden, wobei die Bewehrungsanordnung zur Herstellung eines Baustoffkörpers in einer Schalung angeordnet ist,
• Figur 5 einen Querschnitt durch ein Bewehrungselement des Bewehrungskörpers gemäß der Schnittlinie V-V in Figur 1,
• Figur 6 eine schematische Prinzipdarstellung eines Ausführungsbeispiels eines alternativen Befestigungsmittel zum Befestigen einer Halteankereinheit am Bewehrungskörper,
• Figur 7 eine schematische Prinzipdarstellung eines weiteren Ausführungsbeispiels einer Halteankereinheit,
• Figur 8 eine Prinzipdarstellung des Erzeugens einer Vorspannkraft, die den Halteabschnitt der Halteankereinheit gemäß Figur 7 in die Funktionsstellung drängt,
• Figur 9 eine schematische Querschnittsansicht eines Baustoffkörpers mit mehreren Lagen oder Schichten, der eine Bewehrungsanordnung mit mehreren Halteankereinheiten aufweist und
• Figur 10 eine schematische Prinzipdarstellung einer Zwischenschicht des Baustoffkörpers aus Figur 10 in einer Draufsicht auf eine Außenseite mit an den Stoßstellen zwischen einzelnen Körpern oder Platten der Zwischenschicht hindurch ragenden Halteabschnitten der Halteankereinheiten.

Advantageous embodiments of the invention emerge from the dependent claims, the description and the drawings. In the following, exemplary embodiments of the invention are explained in detail with reference to the accompanying drawings. Show it:

• Figure 1 a schematic partial representation of an embodiment of a reinforcement arrangement with a section of a reinforcement body and a retaining anchor unit arranged thereon, the retaining portion of which is in a storage position,
• Figure 2 the embodiment of the reinforcement arrangement according to Figure 1 , wherein the reinforcement body is rolled up for storage and the holding section of the holding anchor unit is in the storage position,
• Figure 3 the embodiment of the reinforcement arrangement according to the Figures 1 and 2 in a schematic Side view, wherein the retaining section of the retaining anchor unit assumes a functional position,
• Figure 4 an embodiment of a reinforcement arrangement with several holding anchor units, the holding sections of which are in the functional position, the reinforcement arrangement for producing a building material body being arranged in a formwork,
• Figure 5 a cross section through a reinforcement element of the reinforcement body according to the section line VV in Figure 1 ,
• Figure 6 a schematic diagram of an embodiment of an alternative fastening means for fastening a retaining anchor unit to the reinforcement body,
• Figure 7 a schematic diagram of a further exemplary embodiment of a retaining anchor unit,
• Figure 8 a schematic diagram of the generation of a pretensioning force, which the holding section of the holding anchor unit according to Figure 7 pushes into the functional position,
• Figure 9 a schematic cross-sectional view of a building material body with several layers or layers, which has a reinforcement arrangement with several retaining anchor units and
• Figure 10 a schematic representation of the principle of an intermediate layer of the building material body Figure 10 in a plan view of an outside with at the joints holding sections of the holding anchor units protruding through between individual bodies or plates of the intermediate layer.

In the Figures 1-4 and 9 a first exemplary embodiment of a reinforcement arrangement 15 is illustrated schematically in each case. The reinforcement arrangement 15 has a reinforcement body 16 and at least one retaining anchor unit 17 arranged on the reinforcement body 16. The reinforcement body 16 has several interconnected, intersecting reinforcement elements 18. The reinforcement elements 18 are each formed by a fiber bundle with a plurality of fibers 19 (so-called rovings) which are arranged or embedded in a matrix 20. The matrix 20 is preferably made of plastic, but can alternatively also be made of a mineral material. By hardening the matrix 20, the reinforcing elements form reinforcing bars. The reinforcement elements 18 are set up to absorb a tensile force in order to produce a building material body 21 ( Figure 9 ) to reinforce. The reinforcement elements 18 are connected to one another at connection or crossing points and thereby form the reinforcement body 16.

In the exemplary embodiment shown here, the reinforcement body 16 is designed as a reinforcement grid that extends essentially parallel to a plane. The reinforcement grid can also be referred to as a reinforcement mesh. As a modification of this, the reinforcement body 16 can also form any other two-dimensional or three-dimensional reinforcement structures. The reinforcing body 16 can have any shape. In principle, the reinforcement body 16 can be brought into any shape that can be produced by means of the reinforcement elements 18 is. The reinforcement elements 18 do not have to extend in a straight line, but can also have at least one kink or bending point.

The reinforcement body 16 is designed as a textile reinforcement in the exemplary embodiment and has no metallic components.

In Figure 9 a building material body 21 is shown which has a multilayer structure and can therefore be referred to as a sandwich building material body. The building material body 21 has a load-bearing layer 22 which is formed from a building material B which surrounds the reinforcement body 16 of the reinforcement arrangement 15. The load-bearing layer 22 can therefore also be referred to as the first building material layer 23. An intermediate layer 24 adjoins the first building material layer 23. The intermediate layer 24 is designed, for example, as an insulating layer and preferably consists of several bodies 25 or plates which are arranged next to one another within the intermediate layer 24 and preferably abut one another ( Figure 10 ). The bodies 25 of the intermediate layer 24 can be connected to one another at the joints between two adjacent bodies 25 by means of adhesion. At the joints between two adjacent bodies 25, parts of the retaining anchor unit 17 protrude through and extend into an outer layer 26. The outer layer 26 can be produced from the same or a different building material B analogously to the load-bearing layer 22 and therefore form a second building material layer 27. The outer layer 26 can also be referred to as a facing shell. As building material B, for example, concrete or mortar can be used.

Via the at least one retaining anchor unit 17 a connection is established between the load-bearing layer 22 and the outer layer 26 so that loads or forces acting on the outer layer 26 can be introduced into the load-bearing layer 22 via the at least one retaining anchor unit 17 or the reinforcement arrangement 15 and supported there.

Each retaining anchor unit 17 has a foot section 32 which is designed to arrange or fasten the retaining anchor unit 17 to the reinforcement body 16. Each retaining anchor unit 17 also has a retaining section 33 which is connected to the foot section 32. The holding section 33 of the holding anchor unit 17 extends obliquely or at right angles away from the foot section 32 to a free end 34.

The holding section 33 is between a storage position A ( Figures 1 and 2 ) and a functional position W ( Figures 3, 4 , 7th and 9 ) movable. According to the example, the holding section 33 can be pivoted between the storage position A and the functional position W.

In the storage position A, the holding section 33 of the holding anchor unit 17 has a position in which it extends along the reinforcement body 16 and either rests against the reinforcement body 16 or at least one reinforcement element 18 and / or runs approximately parallel to or slightly inclined to the reinforcement body 16. The holding section 33 preferably rests as close as possible and as flat as possible to the reinforcement body 16 when it is in its storage position A. The holding section 33 and in particular its free end 34 has in the storage position A a distance of, for example, 2 to 3 cm from the reinforcement body 16.

In the functional position W, the holding section 33 protrudes at right angles or at an angle, preferably at an angle of at least 30 to 45 degrees, from a plane defined by the section of the reinforcing body 16 on which the holding anchor unit 17 is arranged or fastened with its foot section 32 .

The free end 34 of the holding portion 33 is arranged in the functional position W at a significantly greater distance from the reinforcement body 16 than in the storage position A. The maximum distance between the free end 34 and the reinforcement body 16 is in the functional position W by the length of the holding portion 33 between the The foot section 32 and the free end 34 and defines the orientation angle which the holding section 33 assumes relative to the reinforcement body 16 in the functional position W. This alignment angle can be specified depending on the loads to be supported (wind load, load capacity). The reinforcement arrangement 15 can have retaining anchor units 17 with different orientation angles ( Figure 9 ). For example, the orientation angle can be about 90 degrees or in a range from 30 degrees to 50 degrees.

In the exemplary embodiment illustrated here, each retaining anchor unit 17 has a first retaining anchor 38 and a second retaining anchor 39. The two retaining anchors 38, 39 are preferably designed identically. Each retaining anchor 38, 39 has a foot part 40 and a holding part 41 adjoining the foot part 40. The foot part 40 and the holding part 41 are preferably integral without a seam. and joint formed. A bending point or kink is present between the foot part 40 and the holding part 41. A kink or bending angle α is therefore included between the holding part 41 and the foot part 40 of a holding anchor 38 or 39, which in the exemplary embodiment is in the range between 70 degrees and 110 degrees and preferably between 80 degrees and 100 degrees ( Figure 1 ). The bending angle α is the angle between the holding part 41 and the foot part 40 without the action of an external force. The angle between the holding part 41 and the foot part 40 can change as a result of elastic deformation of the retaining anchor 38 or 39.

The two foot parts 40 form in the embodiment according to FIG Figures 1-4 and 9 the foot section 32. The foot parts 40 are fastened to the reinforcement body 16 by separate fastening means 42. A thread, a tape or another flexible element, for example, can be used as the fastening means 42. In one embodiment, each fastener 42 includes a cable tie. As shown schematically in the Figures 1 and 3 is illustrated, each foot part 40 is fastened to the reinforcement body 16 by means of two fastening means 42.

In addition, the first retaining anchor 38 and the second retaining anchor 39 can be connected to one another or fastened to one another in the transition region between the respective foot part 40 and the retaining part 41 by a connecting means 43. The connecting means 43 can be designed analogously to the fastening means 42 and in one embodiment is formed by a cable tie. Instead of a cable tie, any other means that form a loop can also be used for the fastening means 42 and for the connecting means 43, for example can.

The fastening means 42 and / or the connecting means 43 is preferably free of metallic components. The fastening means 42 and / or the connecting means 43 is preferably made of plastic.

In Figure 6 Another embodiment of a fastening means 42 or a connecting means 43 in the form of a clip 44 is illustrated schematically. The clip 44 has an approximately U-shaped bracket 45 with two substantially parallel legs, which surrounds an inner region 46. The inner area 46 is open on one side and can be closed on this open side by a closing part 47. The closing part 47 can be designed as a separate part that can be connected to the bracket 45. In the exemplary embodiment, the closing part 47 is pivotably arranged on one of the legs of the bracket 45 via a film hinge 48 and can be connected to the other leg of the bracket 45 by a latching means 49 which interacts with a counter-locking means 50 on the associated leg of the bracket 45. In the closed position, the bracket 45 and the closing part 47 form a ring-like closed shape and can enclose a foot part 40 and at least one reinforcement element 18 or enclose the two retaining anchors 38, 49 and thereby connect them.

It should be pointed out again at this point that the fastening means 42 and / or the connecting means 43 can be designed in a variety of ways.

Starting from the bending or kink that forms the transition between the holding part 41 and the foot part 40 of a holding anchor 38 or 39, the foot part 40 and the holding part 41 extend essentially in a straight line. In the exemplary embodiment, the two foot parts 40 of a common retaining anchor unit 17 are arranged in a common planar or curved plane E ( Figures 2 and 3 ). This plane E is defined by the course of the section of the reinforcing body 16 to which the foot parts 40 are attached. This plane E is planar ( Figure 3 ), if this section of the reinforcement body 16 is also aligned in a planar manner without external influence. If the reinforcement body 16 is rolled up for storage ( Figure 2 ), the plane E can also curve in accordance with the curvature of the reinforcing body 16.

Like it in Figure 1 As illustrated, the foot parts 40 of the same retaining anchor unit 17 enclose an angle β which is smaller than 180 degrees and preferably larger than 90 degrees.

Each foot part 40 extends essentially along a longitudinal axis, the foot part 40 of the first retaining anchor 38 forming a first pivot axis S1 and the foot part 40 of the second retaining anchor 39 forming a second pivot axis S2. The holding part 41 of the first holding armature 38 is pivotable about the first pivot axis S1 and the holding part 41 of the second holding armature 39 is pivotable about the second pivot axis S2 between the storage position A and the functional position W. As a result, the respective holding part 41 can be arranged on the reinforcement body 16 or in its vicinity (storage position A) or protrude obliquely or at right angles away from the reinforcement body 16 (functional position W).

The erection of the holding section 33 of a holding anchor unit 17 or the two holding parts 41 from the storage position A into the functional position W can be carried out manually or automatically. In the exemplary embodiments illustrated here, the at least one retaining anchor unit 17 is set up to automatically move into the functional position W when the reinforcement body 16 assumes the position that it should have in the building material body 21 to be produced. For example, the reinforcement body 16 designed as a reinforcement grid can be rolled up for storage, as shown schematically in FIG Figure 2 is shown. Due to the elastic deformation of the reinforcement element 18, the holding parts 41 or the holding section 33 are held in the storage position A. If the reinforcement grid is rolled up flat ( Figures 3 and 4 ), the holding section 33 moves or the two holding parts 41 move automatically into the functional position W.

In order to achieve this automatic erecting into the functional position W, a pretensioning force F and / or a pretensioning torque M acts on the holding section 33 or the holding parts 41, which urges the holding parts 41 or the holding section 33 in the direction of the functional position W.

In the first exemplary embodiment according to FIGS. 1-4 and 9, each retaining anchor unit 17 has a pretensioning means 55. According to the example, the pretensioning means 55 is formed by at least one elastic band which is guided around the two holding parts 41 and is preferably arranged adjacent to the free end 34 of the holding section 33. Instead of the band, another elastically deformable body can also be used.

The pretensioning means 55 generates a pretensioning force F between the holding part 41, which urges the holding part 41 in the direction of the respective other holding part 41 of the same holding anchor unit 17 ( Figure 1 ). Because the two foot parts 40 enclose an angle β smaller than 180 degrees, the free ends of the holding parts 41 are at a greater distance from one another in the storage position A than in the functional position W. The pretensioning force F with which the two holding parts 41 are pushed towards one another is greater because of the greater elastic deformation of the pretensioning means 55 in the storage position A than in the functional position W. For this reason, the two holding parts 41 of the retaining anchors 38, 39 tend to move into the functional position W and a pretensioning moment M arises about the respective pivot axis S1, S2. When the reinforcement body 16 is brought into a position within a formwork 56 that the reinforcement body 16 is to occupy in the later building material body 21, the prestressing force F or the prestressing moment M moves the holding section 33 of each holding anchor unit 17 into the functional position W. By external forces, for example by rolling up the reinforcement body 16 for storage (cf. Figure 2 ), a movement from the storage position A into the functional position W can be blocked due to an elastic deformation of the retaining anchor unit 17 or the two retaining anchors 38, 39. This also applies, for example, when several reinforcement arrangements 15 are stacked on top of one another, so that the weight of a reinforcement arrangement 15 lying thereon prevents the holding anchor units 17 of the reinforcement arrangement 15 underneath from moving their holding sections 33 out of the storage position A into the functional position W.

In the Figures 7 and 8 a second embodiment of a retaining anchor unit 17 is illustrated. Analogous to the first exemplary embodiment, the retaining anchor unit 17 has two retaining anchors 38, 39, each with a retaining part 41 and a foot part 40. The foot parts 40 protrude according to the exemplary embodiment Figure 7 approximately opposite to each other and thus enclose an angle β of approximately 180 degrees within the common plane.

In this exemplary embodiment, an elastically deformable, twistable sleeve 57 is used as the prestressing means 55, which connects the foot part 40 of each retaining anchor 38, 39 to a bearing recess in a bearing body 59. In this exemplary embodiment, the bearing body 59 is part of the foot section 32 and can be connected to the reinforcing body 16 via one or more fastening means 42.

In the functional position W, the sleeve 57 is not twisted and the holding part 41 extends away from the bearing body 59, starting from the relevant foot part 40, in an orientation that it should assume in the functional position W, for example obliquely or at right angles from the reinforcement body 16 to the free end 34 down. If the holding part 41 is pivoted from the functional position W by approximately 90 degrees about the respective pivot axis S1, S2, the relevant sleeve 57 is twisted and generates a pretensioning torque M about the relevant pivot axis S1 or S2. As a result, the holding part 41 of the relevant holding armature 38 or 39 is urged by the torsional moment M in the direction of the functional position W and assumes the functional position W without the action of an external force. In this version there is also the possibility of pivoting the holding parts 41 about the relevant pivot axes S1 and S2 in both directions, so that in this embodiment two storage positions A can be achieved, so to speak.

The bearing body 59 can be omitted in a further modification and the sleeve 57 can be fastened directly to the reinforcement body 16 by means of a fastening means 42.

Based on Figures 3 and 4 a further optional configuration possibility of the retaining anchor unit 17 is illustrated. Each holding anchor unit 17 can have a spacer 63 which, in the functional position W, extends obliquely or at right angles away from the foot section 32, preferably in a direction opposite to the holding section 33. As is illustrated schematically, at least one of the two holding anchors 38, 39 In the transition area between the foot part 40 and the holding part 41, an extension can be formed which extends approximately in the opposite direction to the holding part 41 and forms the spacer 63. The spacer 63 is therefore also pivoted during the movement of the holding part 41 between the storage position A and the functional position W and thus rests essentially flat on the reinforcement body 16 in the storage position A, analogous to the holding part 41. In the functional position W, the spacer 63 protrudes transversely to the reinforcement body 16 and can be used to arrange the reinforcement arrangement 15 in the formwork 56. The reinforcement arrangement 15 can be positioned in a formwork 56 by means of at least three such spacers 63.

Using an exemplary embodiment of the reinforcement arrangement 15, a building material body 21 can be produced as follows:

The reinforcement arrangement 15 is arranged in the formwork 56 in such a way that the reinforcement body 16 assumes the position which it is later to have in the building material body 21. As a result, the holding sections 33 of the holding anchor units 17 are automatically moved into their functional position W. The reinforcement arrangement 15 can be supported on the formwork 56 via spacers 63 or, as an alternative, separate spacers can be arranged between the reinforcement arrangement 15 and the formwork 56. The reinforcement arrangement 15 can also be positioned in the interior of the formwork 56 using other positioning means and can do without spacers 63 which are supported on the formwork 56 on the inside.

If the reinforcement arrangement 15 is positioned in the formwork 56, a hardenable building material B is filled. The filling takes place in such a way that the building material B forms the first building material layer 23, which covers the reinforcement body 16 and the foot sections 32 of the retaining anchor units 17. At least one section of each holding section 33 of each holding anchor unit 17 adjoining the free end 34 protrudes from the building material B.

In the not yet hardened state of the building material B of the first building material layer 23, an intermediate layer is arranged on the first building material layer 23, for example by arranging several bodies 25, which are designed, for example, as insulating bodies. At the joints between two adjacent insulating bodies 25 protrude the holding sections 33 of the holding anchor units 17 pass through and protrude beyond the intermediate layer 24. A further, second building material layer 27 can then be applied to this intermediate layer 24 and cured. The second building material layer 27 forms an outer layer 26 of the building material body 21, which can also be referred to as a facing. The second building material layer 27 is connected to the first building material layer 23, which represents a load-bearing layer 22, via the retaining anchor units 17 and in particular the retaining sections 33. Loads and forces acting on the second building material layer 27 can therefore be absorbed by the load-bearing layer 22 via the retaining anchor units 17.

The positioning of the retaining anchor units 17 on the reinforcement body 16 can take place in such a way that the distance between two retaining sections 33 corresponds to a predetermined grid, so that the bodies 25 can be arranged between them without having to cut holes or recesses in the body 25. The bodies 25 are generally elastically and / or plastically deformable in such a way that the holding sections 33 can be passed through without problems at the joint or connection point of two adjacent bodies 25, as shown schematically in FIG Figure 10 is illustrated. It should be noted at this point that the representation in Figure 10 is not to scale and is for illustrative purposes only. The diameter or the cross-sections of the holding sections 33 or holding parts 41 is usually sufficiently small that two adjacent bodies 25 adjacent to the holding section 33 directly abut one another or can be connected to one another by an adhesive layer.

The invention relates to a reinforcement arrangement 15 and a method for producing a building material body 21 using the reinforcement arrangement 15. The reinforcement arrangement 15 has a reinforcement body 16 and at least one retaining anchor unit 17. Each retaining anchor unit 17 is arranged or fastened to the reinforcement body 16 by means of a foot section 32. A holding section 33 adjoining the foot section 32 can be moved between a storage position A and a functional position W. In the storage position A, the holding section 33 extends immediately adjacent along the reinforcement body 16 and can bear against the reinforcement body 16 at one or more points. In the functional position W, the distance between a free end 34 of the holding section 33 opposite the foot section 32 is greater than in the storage position A. The holding section 33 can be moved manually or automatically from the storage position A into the functional position W. The entire reinforcement arrangement 15 is preferably free of metallic components. The reinforcement body 16 and / or the holding section 33 and / or the foot section 32 are preferably designed as textile-reinforced elements.

List of reference symbols:

15th

Reinforcement arrangement

16

Reinforcement body

17th

Retaining anchor unit

18th

Reinforcement element

19th

fiber

20th

matrix

21

Building material body

22nd

load-bearing layer

23

first layer of building material

24

Intermediate layer

25th

Body of the intermediate layer

26th

Outer layer

27

second layer of building material

32

Foot section

33

Holding section

34

free end of the holding section

38

first retaining anchor

39

second retaining anchor

40

Foot part

41

Holding part

42

Fasteners

43

Lanyard

44

Clip

45

hanger

46

Inside of the bracket

47

Locking part

48

Film hinge

49

Locking means

50

Rests

55

Pretensioning means

56

formwork

57

Sleeve

58

Bearing recess

59

Bearing body

63

Spacers

α

Bending angle

β

angle

A.

Retention

B.

Building material

F.

Preload

M.

Preload torque

W.

Functional position

Claims (11)

1. Reinforcing assembly (15),
   with a reinforcing body (16) having mutually crossing reinforcing elements (18), with at least one retaining anchor unit (17) which is arranged on the reinforcing body (16) and has a foot portion (32) arranged on the reinforcing body (16) and a retaining portion (33) adjoining the foot portion (32),
   wherein the retaining portion (33) is movable between a function position (W) and a storage position (A), and wherein the retaining portion (33) in the storage position (A) extends along the reinforcing body (16) and in the function position (W) protrudes obliquely or at right angles away from the reinforcing body (16),
   wherein the at least one retaining anchor unit (17) in the storage position (A) is loaded with a preload force (F) and/or a preload moment (M) such that the retaining portion (33) is forced in the direction of the function position (W),
   characterised in that each reinforcing element (18) and each retaining anchor (38, 39) comprises at least one fibre bundle in which a matrix (20) is embedded, and
   that each retaining anchor unit (17) comprises two retaining anchors (38, 39), each of which has a foot part (40) and a retaining part (41) extending at right angles or obliquely to the foot part (40).
2. Reinforcing assembly according to claim 1, characterised in that the preload force (F) and/or the preload moment (M) causes an automatic assumption of the function position (W) if the retaining portion is not held in its storage position (A) by the action of external forces.
3. Reinforcing assembly according to claim 1 or 2, characterised in that each retaining anchor (38, 39) is formed integrally.
4. Reinforcing assembly according to any of the preceding claims, characterised in that the retaining part (41) of each retaining anchor (38, 39) is pivotable about a pivot axis (S1, S2) which is defined at least by the extent direction of the foot part (40) of the same retaining anchor (38, 39).
5. Reinforcing assembly according to any of the preceding claims, characterised in that the foot parts of the retaining anchors (38, 39) of the same retaining anchor unit (17) extend in a common plane.
6. Reinforcing assembly according to any of the preceding claims, characterised in that the foot parts (41) of the retaining anchors (38, 39) of the same retaining anchor unit (17) enclose an angle (β) of less than 180°.
7. Reinforcing assembly according to any of the preceding claims, characterised in that the foot parts (41) of the retaining anchors (38, 39) of the same retaining anchor unit (17) enclose an angle (β) of at least 90°.
8. Reinforcing assembly according to any of the preceding claims, characterised in that the retaining anchor unit (17) has a preload means (55) which loads the retaining anchors (38, 39) with a preload force (F) and/or a preload moment (M).
9. Reinforcing assembly according to claim 8, characterised in that the preload means (55) is elastically deformable.
10. Method for producing a building material body (21) using a reinforcing assembly (15) according to any of the preceding claims, with the following steps:

    - arranging the reinforcing body (16) in a formwork (56) and movement of a retaining portion (33) of at least one retaining anchor unit (17) into a function position (W),

    - filling the formwork (56) with a hardenable building material (B) so that the reinforcing body (16) is surrounded by a building material layer (23) and the at least one retaining portion (33) protrudes at least partially from the building material layer (23),

    - arranging an intermediate layer (24) on the building material layer (23), through which the at least one retaining portion (33) protrudes.
11. Method according to claim 10, characterised in that an outer layer (26) is arranged on the intermediate layer (24) and is connected to the at least one retaining portion (33).

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