EP2918744B1 - Fixing rail for embedding in a concrete element, in particular a concrete beam - Google Patents

Fixing rail for embedding in a concrete element, in particular a concrete beam Download PDF

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Publication number
EP2918744B1
EP2918744B1 EP14000901.0A EP14000901A EP2918744B1 EP 2918744 B1 EP2918744 B1 EP 2918744B1 EP 14000901 A EP14000901 A EP 14000901A EP 2918744 B1 EP2918744 B1 EP 2918744B1
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EP
European Patent Office
Prior art keywords
legs
profile
fixing rail
rail according
anchors
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EP14000901.0A
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German (de)
French (fr)
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EP2918744A1 (en
Inventor
Dirk Albartus
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Leviat GmbH
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Halfen GmbH and Co KG
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Priority to EP14000901.0A priority Critical patent/EP2918744B1/en
Priority to PL14000901T priority patent/PL2918744T3/en
Publication of EP2918744A1 publication Critical patent/EP2918744A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4171—Nailable or non-threaded screwable elements

Definitions

  • the invention relates to a mounting rail for embedding in a concrete component, in particular a concrete beam of the type specified in the preamble of claim 1.
  • mounting rails made of steel are known, which are embedded in the concrete during casting of the component.
  • the mounting rail is arranged such that it is flush with the surface of the concrete component.
  • the attachment of the flat member to the mounting rail is done in a simple manner by means of self-drilling screws, which are screwed through the flat member and the mounting rail.
  • a soft body is provided behind or in the mounting rail, in which the tip or the front part of the screw penetrates.
  • the DE 39 26 416 A1 discloses a mounting rail according to the features of the preamble of claim 1, and describes an embeddable in the concrete beam rail for attachment of trapezoidal sheets or the like by means of screwed into the rail back, einrabbarer in a soft layer of the rail screws and in the same direction above anchors.
  • the mounting rail and the anchor can be designed differently.
  • the anchors are welded to the outside of the mounting rail or on its underside or at free ends of the legs of a U-shaped profile. In particular, attaching the anchors to the ends of the legs is difficult and provides only a small interface. Depending on the design are because of the Short distance of the anchor to the surface of the concrete component measures to meet corrosion protection.
  • the present invention has for its object to provide a mounting rail of the type mentioned, in which a corrosion protection of the anchor is not necessary and still a simple but safe welding of the anchor with the profile is possible.
  • the welding of the anchors on the inside of the legs of the profile has the advantage that a large bonding surface is provided for the welding and the distance between the surface of the concrete component and the anchor is sufficiently large so as not to require corrosion protection. In this way, the manufacturing costs for the mounting rail are lowered, since only the profile must have corrosion protection.
  • the anchors are designed as anchor rods.
  • Such anchor rods can be easily manufactured from a rod material which is cut to length.
  • the anchor rods are provided at their ends remote from the sections for attachment with a molded in particular by upsetting foot.
  • the anchors are designed as anchor bracket.
  • an anchor bracket comprises a bent end from which legs extend substantially parallel to each other, which merge into outwardly bent portions and having free ends extending along the inner sides of the legs of the U-profile extend within the cavity.
  • the anchors are wave-shaped, which are welded to the inner sides of the legs of the profile.
  • the legs of the profile extend orthogonal to the web.
  • the legs of the profile have inclined to the web extending portions, wherein the adjoining the web portions are inclined in the cavity and the other portions are inclined outwardly.
  • the legs of the profile from the surface of the concrete component to an end of the leg on the outside have a height of at least 25 mm.
  • the dimension of 25 mm corresponds to current standardization and means that the imaginary path of penetrating water from the concrete surface to the steel parts not provided with a corrosion protection, in this case the non-tined anchors, must be greater than 25 mm.
  • a soft body in the cavity of the profile is preferably a foam, in particular a polystyrene foam or a Soft material layer provided. The material of this body must only have such a stability to remain dimensionally stable when pouring the concrete.
  • a mounting rail 1 which consists of an elongated, made of steel and in cross-section U-shaped profile 2 and attached thereto, also from Steel existing anchor rods 3 is formed.
  • the U-profile 2 comprises a web 4 and molded legs 5, which extend only slightly diverging. Between the legs 5 and bounded by the web 4, a cavity 6 is formed. At the cavity 6 facing inner sides 7 of the legs 5 sections 8 of the ends of the anchor rods 3 are connected by means of welds or welds 9.
  • the anchor rods 3 are provided on the profile 2 facing away from the ends 10 with a molded foot 11, which is generated for example by upsetting the end 10.
  • the cavity 6 is substantially filled with a foam body 12 or with a layer of soft material.
  • the foam body 12 may in particular consist of a polystyrene.
  • the foam body 12 is inserted into the cavity 6 of the profile 2 after welding the ends 8 of the anchor rods 3 to the legs 5.
  • a strip of polystyrene is introduced into the cavity 6, which is at least frictionally secured between the sections 8 of the ends of the tie rods 3 and whose height corresponds at least approximately to the extent of the legs 5.
  • other attachments of the foam body 12 are possible, in particular the bonding of the foam body 12 to the profile 2.
  • Fig. 1 is the measure of the legs 5 of the height h, this is the outer dimension of the legs 5 between the surface of the web 4 and a free end 5 'of the leg fifth
  • the Fig. 2 shows as an individual part of the anchor rod 3 with the leg to be welded to the section 8 of the rod end and designed as a foot 11 end 10.
  • the material of in Fig. 1 shown profile 2 is for reasons of corrosion protection, for example, hot-dip galvanized steel, whereas the anchor rods 3 are made of non-galvanized steel, since the height h of the legs 5 ⁇ 25 mm and thus the distance to the surface of the concrete part in which the mounting rail 1 is embedded , sufficient to safely prevent corrosion of the tie rods 3.
  • the Fig. 3 shows a variant of the mounting rail 1, in which the profile 2 is provided with anchor brackets 13.
  • the shape of the anchor bracket 13 is - as well as off Fig. 4 seen - forked with a curved end 14, from which legs 15 extend substantially parallel, which merge in outwardly bent portions 16 and free ends 17 which extend along the inner sides 7 of the legs 5 of the profile 2 extend and are secured by welds 9 or welds to this.
  • the height h between the outside of the web 4 and the free end 5 'of the leg 5 is at least 25 mm.
  • Fig. 5 is a section through a mounting rail 18 is shown, which consists of a profile 19 with lateral legs 20 and anchors 21.
  • the profile 19 has a web 22, on which the legs 20 are formed, wherein the legs 20 inwardly into a cavity 23 inclined portions 24 and outwardly inclined end portions 25 include.
  • the anchors 21 are fixed by means of welds or welds 27.
  • a foam body 12 is arranged, as this already too Fig. 1 and 3 is described.
  • the Fig. 6 shows an example of a wavy armature 21, which in each case in the region of upper caps 28 to the in Fig. 5 shown sections 25 is welded.
  • the material for the profile 19 is preferably hot-dip galvanized steel, while the anchors 21 are not treated for corrosion protection, as the length along the legs 20 from the outer surface of the web 22 and the surface of the concrete component to the end 20 'of the section 25 ⁇ 25 mm and is therefore sufficient to prevent the ingress of moisture. Due to the shape of the legs 20 a good positive embedding is given in the concrete, with an additional anchorage in the concrete takes place through the armature 21.
  • other types of anchors can be welded to this profile 19, for example anchor rods with or without feet, as in Fig. 2 shown.
  • the Fig. 7 shows a variant of the mounting rail 18 according to Fig. 5 wherein the profile 19 is substantially the shape of the profile 19 in FIG Fig. 5 equivalent.
  • the mounting rail in Fig. 7 has welded to the sections 25 of the profile 19 anchor bracket 29, which essentially the anchor brackets 13 in 3 and 4 However, but free ends 30 include, which are also inclined according to the inclination of the portions 25 of the legs 20 to provide a corresponding contact surface for welding the anchor bracket with the profile.
  • Fig. 8 is the Anchor bracket 29 shown as a single part. Incidentally, the reference numerals in FIGS. 7 and 8 for equal parts with those of FIGS. 3 and 4 match. The execution in Fig.
  • the Fig. 9 shows a section of a variant of the mounting rail according to Fig. 5 in a perspective view, wherein the profile 19 with anchor rods 3 according to Fig. 2 is provided.
  • Fig. 9 has the mounting rail 18 in the sections 25 openings 31, achieved by the additional anchoring of the mounting rail 18 in the concrete and the load capacity is improved.
  • This mounting rail 18 with openings 31 in the sections 25 can be used for low loads anchorless as cost-effective mounting rail.
  • the same profile can be provided with anchors 3, when mounting rails 18 are required for high loads.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Description

Die Erfindung bezieht sich auf eine Befestigungsschiene zur Einbettung in ein Betonbauteil, insbesondere einen Betonträger der im Oberbegriff des Anspruchs 1 angegebenen Gattung.The invention relates to a mounting rail for embedding in a concrete component, in particular a concrete beam of the type specified in the preamble of claim 1.

Zur Befestigung von flachen Bauteilen an aus Beton bestehenden Bauteilen eines Gebäudes, wie insbesondere Befestigung von Trapezblechen auf Betonträgern, sind Befestigungsschienen aus Stahl bekannt, die in den Beton beim Gießen des Bauteils eingebettet werden. Hierbei wird die Befestigungsschiene derart angeordnet, dass sie bündig mit der Oberfläche des Betonbauteils abschließt. Die Befestigung des flachen Bauteils an der Befestigungsschiene erfolgt auf einfache Weise mittels selbstbohrender Schrauben, die durch das flache Bauteil und die Befestigungsschiene eingedreht werden. Hierzu ist hinter oder in der Befestigungsschiene ein weicher Körper vorgesehen, in den die Spitze bzw. der vordere Teil der Schraube eindringt.For fastening flat components to concrete components of a building, in particular fastening of trapezoidal sheets on concrete beams, mounting rails made of steel are known, which are embedded in the concrete during casting of the component. Here, the mounting rail is arranged such that it is flush with the surface of the concrete component. The attachment of the flat member to the mounting rail is done in a simple manner by means of self-drilling screws, which are screwed through the flat member and the mounting rail. For this purpose, a soft body is provided behind or in the mounting rail, in which the tip or the front part of the screw penetrates.

Die DE 39 26 416 A1 offenbart eine Befestigungsschiene gemäß den Merkmalen des Oberbegriffes des Anspruchs 1, und beschreibt eine in den Betonträger einbettbare Schiene zur Befestigung von Trapezblechen oder dergleichen mittels in den Schienenrücken eindrehbarer, sich in eine Weichstoffschicht der Schiene eingrabbarer Schrauben und in gleicher Richtung vorstehenden Ankern. Dabei können die Befestigungsschiene und die Anker unterschiedlich gestaltet sein. Die Anker sind an der Außenseite der Befestigungsschiene oder an deren Unterseite oder an freien Enden der Schenkel eines U-förmigen Profils angeschweißt. Insbesondere das Befestigen der Anker an den Enden der Schenkel ist schwierig und bietet lediglich eine geringe Verbindungsfläche. Je nach Ausführung sind wegen des kurzen Abstandes der Anker zur Oberfläche des Betonbauteils Maßnahmen zum Korrosionsschutz zu treffen.The DE 39 26 416 A1 discloses a mounting rail according to the features of the preamble of claim 1, and describes an embeddable in the concrete beam rail for attachment of trapezoidal sheets or the like by means of screwed into the rail back, einrabbarer in a soft layer of the rail screws and in the same direction above anchors. The mounting rail and the anchor can be designed differently. The anchors are welded to the outside of the mounting rail or on its underside or at free ends of the legs of a U-shaped profile. In particular, attaching the anchors to the ends of the legs is difficult and provides only a small interface. Depending on the design are because of the Short distance of the anchor to the surface of the concrete component measures to meet corrosion protection.

Aus der DE 196 23 273 A1 ist ein Verfahren zur Herstellung einer in Beton einbettbaren Befestigungsvorrichtung, insbesondere für Trapezbleche bekannt. Dabei werden an den Seitenstegen einer U-förmigen Schiene die beiden Schenkel eines die Schiene übergreifenden, bügelförmigen Ankers oder je zwei gegenüberliegende Anker angeschweißt. Auch bei dieser Ausführung müssen alle Elemente der Befestigungsschiene mit einem Korrosionsschutz versehen sein. Zur Vermeidung von Korrosion wäre es zwar möglich, die Befestigungsschiene einschließlich der Anker vollständig aus Edelstahl zu fertigen, dies würde jedoch zu extrem hohen Kosten führen.From the DE 196 23 273 A1 is a method for producing a concrete embeddable fastening device, in particular for trapezoidal sheets known. Here, the two legs of a cross-rail, bow-shaped armature or two opposite anchors are welded to the side bars of a U-shaped rail. Also in this embodiment, all elements of the mounting rail must be provided with a corrosion protection. To avoid corrosion, it would be possible to make the mounting rail, including the anchor completely made of stainless steel, but this would lead to extremely high costs.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Befestigungsschiene der eingangs genannten Gattung zu schaffen, bei der ein Korrosionsschutz der Anker nicht notwendig und trotzdem eine einfache aber sichere Verschweißung der Anker mit dem Profil möglich ist.The present invention has for its object to provide a mounting rail of the type mentioned, in which a corrosion protection of the anchor is not necessary and still a simple but safe welding of the anchor with the profile is possible.

Diese Aufgabe wird durch eine Befestigungsschiene zur Einbettung in ein Betonbauteil mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a fastening rail for embedding in a concrete component with the features of claim 1.

Das Anschweißen der Anker an der Innenseite der Schenkel des Profils hat den Vorteil, dass eine große Verbindungsfläche für das Verschweißen zur Verfügung gestellt wird und der Abstand zwischen der Oberfläche des Betonbauteils und dem Anker ausreichend groß ist, um keinen Korrosionsschutz erforderlich zu machen. Auf diese Weise werden die Herstellkosten für die Befestigungsschiene gesenkt, da lediglich das Profil einen Korrosionsschutz aufweisen muss.The welding of the anchors on the inside of the legs of the profile has the advantage that a large bonding surface is provided for the welding and the distance between the surface of the concrete component and the anchor is sufficiently large so as not to require corrosion protection. In this way, the manufacturing costs for the mounting rail are lowered, since only the profile must have corrosion protection.

Gemäß einer Ausführungsform der Erfindung ist vorgesehen, dass die Anker als Ankerstäbe ausgeführt sind. Solche Ankerstäbe können auf einfache Weise aus einem Stabmaterial, das auf Länge geschnitten wird, hergestellt werden. Zur besseren Verankerung ist es zweckmäßig, dass die Ankerstäbe an ihren den Abschnitten zur Befestigung abgewandten Enden mit einem insbesondere durch Stauchen angeformten Fuß versehen sind.According to one embodiment of the invention it is provided that the anchors are designed as anchor rods. Such anchor rods can be easily manufactured from a rod material which is cut to length. For better anchoring it is expedient that the anchor rods are provided at their ends remote from the sections for attachment with a molded in particular by upsetting foot.

Gemäß einer alternativen Ausgestaltung kann es vorteilhaft sein, dass die Anker als Ankerbügel ausgeführt sind. In besonderer Ausgestaltung eines solchen Ankerbügels ist vorgesehen, dass dieser ein gebogenes Ende umfasst, von dem aus sich Schenkel im Wesentlichen parallel zueinander erstrecken, die in nach außen gebogene Abschnitte übergehen und freie Enden aufweisen, die sich entlang der Innenseiten der Schenkel des U-Profils innerhalb des Hohlraums erstrecken.According to an alternative embodiment, it may be advantageous that the anchors are designed as anchor bracket. In a particular embodiment of such an anchor bracket is provided that it comprises a bent end from which legs extend substantially parallel to each other, which merge into outwardly bent portions and having free ends extending along the inner sides of the legs of the U-profile extend within the cavity.

Gemäß einer weiteren Ausführungsvariante ist vorgesehen, dass die Anker wellenförmig gestaltet sind, die an den Innenseiten der Schenkel des Profils angeschweißt sind. Durch derartige Anker ergibt sich eine sehr starke Verankerung der Befestigungsschiene im Beton.According to a further embodiment, it is provided that the anchors are wave-shaped, which are welded to the inner sides of the legs of the profile. By such anchor results in a very strong anchoring of the mounting rail in the concrete.

Gemäß einer Ausgestaltung des Profils der Befestigungsschiene ist vorgesehen, dass die Schenkel des Profils sich orthogonal zum Steg erstrecken. Alternativ hierzu ist es möglich, dass die Schenkel des Profils zum Steg geneigt verlaufende Abschnitte aufweisen, wobei die sich an den Steg anschließenden Abschnitte in den Hohlraum geneigt verlaufen und die anderen Abschnitte nach außen geneigt sind. Diese Ausgestaltung hat den Vorteil der Standardisierung, da somit ein gleichgeformtes Profil wie bei ankerlosen, sogenannten "selbstverankernden" Befestigungsschienen für geringe Beanspruchungen mit Ankern versehen werden kann, um selbst hohen Beanspruchungen mit Sicherheit zu genügen.According to one embodiment of the profile of the fastening rail is provided that the legs of the profile extend orthogonal to the web. Alternatively, it is possible that the legs of the profile have inclined to the web extending portions, wherein the adjoining the web portions are inclined in the cavity and the other portions are inclined outwardly. This embodiment has the advantage of standardization, since thus a gleichgeformtes profile as anchorless, so-called "self-anchoring" mounting rails for low stresses can be provided with anchors to meet even high stresses with certainty.

In bevorzugter Ausgestaltung ist vorgesehen, dass die Schenkel des Profils von der Oberfläche des Betonbauteils bis zu einem Ende des Schenkels an der Außenseite eine Höhe von mindestens 25 mm aufweisen. Das Maß von 25 mm entspricht der heutigen Normung und bedeutet, dass der gedachte Weg eindringenden Wassers von der Betonoberfläche bis zu den nicht mit einem Korrosionsschutz versehenen Stahlteilen, im vorliegenden Fall den unverzinkten Ankern, größer als 25 mm sein muss. Als weicher Körper im Hohlraum des Profils ist vorzugsweise ein Schaum, insbesondere ein Polystyrol-Schaum oder eine Weichstoffschicht vorgesehen. Das Material dieses Körpers muss lediglich eine solche Stabilität aufweisen, um beim Gießen des Betons formstabil zu bleiben.In a preferred embodiment, it is provided that the legs of the profile from the surface of the concrete component to an end of the leg on the outside have a height of at least 25 mm. The dimension of 25 mm corresponds to current standardization and means that the imaginary path of penetrating water from the concrete surface to the steel parts not provided with a corrosion protection, in this case the non-tined anchors, must be greater than 25 mm. As a soft body in the cavity of the profile is preferably a foam, in particular a polystyrene foam or a Soft material layer provided. The material of this body must only have such a stability to remain dimensionally stable when pouring the concrete.

Ausführungsbeispiele der Erfindung sind nachstehend anhand der Zeichnung näher erläutert. In der Zeichnung zeigt:

Fig. 1
einen Querschnitt durch eine Befestigungsschiene mit Ankerstäben und einem Schaumkörper,
Fig. 2
eine Einzeldarstellung eines Ankerstabs,
Fig. 3
einen Querschnitt durch eine Ausführungsvariante der Befestigungsschiene mit Ankerbügeln,
Fig. 4
eine Einzeldarstellung eines Ankerbügels,
Fig. 5
einen Querschnitt durch eine weitere Ausführungsvariante der Befestigungsschiene mit anders geformtem Profil,
Fig. 6
einen Ausschnitt eines wellenförmigen Ankers,
Fig. 7
eine Ausführungsvariante der Befestigungsschiene gemäß Fig. 5 mit Ankerbügeln,
Fig. 8
eine Einzeldarstellung des Ankerbügels gemäß Fig. 7,
Fig. 9
eine Ausführungsvariante der Befestigungsschiene in perspektivischer Darstellung.
Embodiments of the invention are explained below with reference to the drawing. In the drawing shows:
Fig. 1
a cross section through a mounting rail with anchor rods and a foam body,
Fig. 2
an individual representation of an anchor rod,
Fig. 3
a cross-section through an embodiment of the mounting rail with anchor brackets,
Fig. 4
an individual representation of an anchor bracket,
Fig. 5
a cross section through a further embodiment of the mounting rail with differently shaped profile,
Fig. 6
a section of a wavy anchor,
Fig. 7
a variant of the mounting rail according to Fig. 5 with anchor straps,
Fig. 8
an individual representation of the anchor bracket according to Fig. 7 .
Fig. 9
a variant of the mounting rail in perspective view.

In Fig. 1 ist eine Befestigungsschiene 1 gezeigt, die aus einem länglichen, aus Stahl bestehenden und im Querschnitt U-förmigen Profil 2 sowie an diesem befestigten, ebenfalls aus Stahl bestehenden Ankerstäben 3 gebildet ist. Das U-Profil 2 umfasst einen Steg 4 und daran angeformte Schenkel 5, die sich lediglich geringfügig divergierend erstrecken. Zwischen den Schenkeln 5 und begrenzt durch den Steg 4 ist ein Hohlraum 6 gebildet. An zum Hohlraum 6 gewandten Innenseiten 7 der Schenkel 5 sind Abschnitte 8 von Enden der Ankerstäbe 3 mittels Schweißpunkten oder Schweißnähten 9 verbunden. Die Ankerstäbe 3 sind an den dem Profil 2 abgewandten Enden 10 mit einem angeformten Fuß 11 versehen, der beispielsweise durch Stauchen des Endes 10 erzeugt ist. Der Hohlraum 6 ist im Wesentlichen mit einem Schaumkörper 12 bzw. mit einer Weichstoffschicht gefüllt. Der Schaumkörper 12 kann insbesondere aus einem Polystyrol bestehen. Der Schaumkörper 12 wird in den Hohlraum 6 des Profils 2 nach dem Anschweißen der Enden 8 der Ankerstäbe 3 an den Schenkeln 5 eingesetzt. Zweckmäßigerweise wird eine Leiste aus Polystyrol in den Hohlraum 6 eingebracht, die zwischen den Abschnitten 8 der Enden der Ankerstäbe 3 zumindest reibschlüssig befestigt ist und deren Höhe zumindest annähernd dem Maß der Schenkel 5 entspricht. Selbstverständlich sind auch andere Befestigungen des Schaumkörpers 12 möglich, insbesondere das Kleben des Schaumkörpers 12 an das Profil 2. In Fig. 1 beträgt das Maß der Schenkel 5 der Höhe h, dies ist das Außenmaß der Schenkel 5 zwischen der Oberfläche des Stegs 4 und einem freien Ende 5' des Schenkels 5.In Fig. 1 a mounting rail 1 is shown, which consists of an elongated, made of steel and in cross-section U-shaped profile 2 and attached thereto, also from Steel existing anchor rods 3 is formed. The U-profile 2 comprises a web 4 and molded legs 5, which extend only slightly diverging. Between the legs 5 and bounded by the web 4, a cavity 6 is formed. At the cavity 6 facing inner sides 7 of the legs 5 sections 8 of the ends of the anchor rods 3 are connected by means of welds or welds 9. The anchor rods 3 are provided on the profile 2 facing away from the ends 10 with a molded foot 11, which is generated for example by upsetting the end 10. The cavity 6 is substantially filled with a foam body 12 or with a layer of soft material. The foam body 12 may in particular consist of a polystyrene. The foam body 12 is inserted into the cavity 6 of the profile 2 after welding the ends 8 of the anchor rods 3 to the legs 5. Conveniently, a strip of polystyrene is introduced into the cavity 6, which is at least frictionally secured between the sections 8 of the ends of the tie rods 3 and whose height corresponds at least approximately to the extent of the legs 5. Of course, other attachments of the foam body 12 are possible, in particular the bonding of the foam body 12 to the profile 2. In Fig. 1 is the measure of the legs 5 of the height h, this is the outer dimension of the legs 5 between the surface of the web 4 and a free end 5 'of the leg fifth

Die Fig. 2 zeigt als Einzelteil den Ankerstab 3 mit dem an dem Schenkel zu verschweißenden Abschnitt 8 des Stabendes und dem als Fuß 11 gestalteten Ende 10. Das Material des in Fig. 1 gezeigten Profils 2 ist aus Gründen des Korrosionsschutzes beispielsweise feuerverzinkter Stahl, wohingegen die Ankerstäbe 3 aus nicht-verzinktem Stahl bestehen, da die Höhe h der Schenkel 5 ≥ 25 mm beträgt und damit der Abstand zur Oberfläche des Betonteils, in das die Befestigungsschiene 1 eingebettet ist, ausreicht, um Korrosion der Ankerstäbe 3 sicher zu verhindern.The Fig. 2 shows as an individual part of the anchor rod 3 with the leg to be welded to the section 8 of the rod end and designed as a foot 11 end 10. The material of in Fig. 1 shown profile 2 is for reasons of corrosion protection, for example, hot-dip galvanized steel, whereas the anchor rods 3 are made of non-galvanized steel, since the height h of the legs 5 ≥ 25 mm and thus the distance to the surface of the concrete part in which the mounting rail 1 is embedded , sufficient to safely prevent corrosion of the tie rods 3.

Die Fig. 3 zeigt eine Ausführungsvariante der Befestigungsschiene 1, bei der das Profil 2 mit Ankerbügeln 13 versehen ist. Die Form der Ankerbügel 13 ist - wie auch aus Fig. 4 ersichtlich - gabelförmig mit einem gebogenen Ende 14, von dem aus sich Schenkel 15 im Wesentlichen parallel erstrecken, die in nach außen gebogene Abschnitte 16 übergehen und freie Enden 17 aufweisen, die sich entlang der Innenseiten 7 der Schenkel 5 des Profils 2 erstrecken und mittels Schweißnähten 9 oder Schweißpunkten an diesen befestigt sind. In den zwischen den Schenkeln 5 und dem Steg 4 gebildeten Hohlraum 6 des Profils 2 ist der Schaumstoffkörper 12 eingesetzt. Auch in Fig. 3 beträgt die Höhe h zwischen der Außenseite des Stegs 4 und dem freien Ende 5' des Schenkels 5 mindestens 25 mm.The Fig. 3 shows a variant of the mounting rail 1, in which the profile 2 is provided with anchor brackets 13. The shape of the anchor bracket 13 is - as well as off Fig. 4 seen - forked with a curved end 14, from which legs 15 extend substantially parallel, which merge in outwardly bent portions 16 and free ends 17 which extend along the inner sides 7 of the legs 5 of the profile 2 extend and are secured by welds 9 or welds to this. In the formed between the legs 5 and the web 4 cavity 6 of the profile 2 of the foam body 12 is inserted. Also in Fig. 3 the height h between the outside of the web 4 and the free end 5 'of the leg 5 is at least 25 mm.

In Fig. 5 ist ein Schnitt durch eine Befestigungsschiene 18 gezeigt, die aus einem Profil 19 mit seitlichen Schenkeln 20 sowie Ankern 21 besteht. Das Profil 19 weist einen Steg 22 auf, an dem die Schenkel 20 angeformt sind, wobei die Schenkel 20 nach innen in einen Hohlraum 23 geneigte Abschnitte 24 und nach außen geneigte endseitige Abschnitte 25 umfassen. An Innenseiten 26 der Abschnitte 25 sind mittels Schweißpunkten oder Schweißnähten 27 die Anker 21 befestigt. In dem Hohlraum 23 ist ein Schaumkörper 12 angeordnet, wie dieser bereits zu Fig. 1 und 3 beschrieben ist.In Fig. 5 is a section through a mounting rail 18 is shown, which consists of a profile 19 with lateral legs 20 and anchors 21. The profile 19 has a web 22, on which the legs 20 are formed, wherein the legs 20 inwardly into a cavity 23 inclined portions 24 and outwardly inclined end portions 25 include. On inner sides 26 of the sections 25, the anchors 21 are fixed by means of welds or welds 27. In the cavity 23, a foam body 12 is arranged, as this already too Fig. 1 and 3 is described.

Die Fig. 6 zeigt ein Beispiel eines wellenförmigen Ankers 21, der jeweils im Bereich von oberen Kappen 28 an die in Fig. 5 gezeigten Abschnitte 25 geschweißt wird. Das Material für das Profil 19 ist vorzugsweise feuerverzinkter Stahl, während die Anker 21 im Hinblick auf einen Korrosionsschutz nicht behandelt sind, da die Länge entlang der Schenkel 20 von der Außenfläche des Stegs 22 bzw. der Oberfläche des Betonbauteils bis zum Ende 20' des Abschnitts 25 ≥ 25 mm ist und somit ausreicht, um das Eindringen von Feuchtigkeit zu verhindern. Durch die Form der Schenkel 20 ist eine gute formschlüssige Einbettung im Beton gegeben, wobei eine zusätzliche Verankerung im Beton durch die Anker 21 erfolgt. Selbstverständlich können an diesem Profil 19 auch andere Arten von Ankern angeschweißt werden, beispielsweise Ankerstäbe mit oder ohne Fuß, wie in Fig. 2 gezeigt.The Fig. 6 shows an example of a wavy armature 21, which in each case in the region of upper caps 28 to the in Fig. 5 shown sections 25 is welded. The material for the profile 19 is preferably hot-dip galvanized steel, while the anchors 21 are not treated for corrosion protection, as the length along the legs 20 from the outer surface of the web 22 and the surface of the concrete component to the end 20 'of the section 25 ≥ 25 mm and is therefore sufficient to prevent the ingress of moisture. Due to the shape of the legs 20 a good positive embedding is given in the concrete, with an additional anchorage in the concrete takes place through the armature 21. Of course, other types of anchors can be welded to this profile 19, for example anchor rods with or without feet, as in Fig. 2 shown.

Die Fig. 7 zeigt eine Ausführungsvariante der Befestigungsschiene 18 gemäß Fig. 5, wobei das Profil 19 im Wesentlichen der Form des Profils 19 in Fig. 5 entspricht. Die Befestigungsschiene in Fig. 7 weist an den Abschnitten 25 des Profils 19 angeschweißte Ankerbügel 29 auf, die im Wesentlichen den Ankerbügeln 13 in Fig. 3 und 4 entsprechen, jedoch freie Enden 30 umfassen, die entsprechend der Neigung der Abschnitte 25 der Schenkel 20 ebenfalls geneigt sind, um eine entsprechende Anlagefläche für das Verschweißen der Ankerbügel mit dem Profil zur Verfügung zu stellen. In Fig. 8 ist der Ankerbügel 29 als Einzelteil dargestellt. Im Übrigen stimmen die Bezugszeichen in Fig. 7 und 8 für gleiche Teile mit denjenigen der Figuren 3 und 4 überein. Die Ausführung in Fig. 7 kann auch so gestaltet sein, dass die Enden 30 und die Abschnitte 16 der Ankerbügel 29 nicht aus dem Profil 19 hervorstehen, sondern komplett innerhalb der Profilhöhe untergebracht werden können. Dies bringt den Vorteil, dass von den Ankerbügeln 29 weder die Enden 30 noch die nach außen gebogenen Abschnitte 16 mit der bauseitigen Betonstahlbewehrung kollidieren.The Fig. 7 shows a variant of the mounting rail 18 according to Fig. 5 wherein the profile 19 is substantially the shape of the profile 19 in FIG Fig. 5 equivalent. The mounting rail in Fig. 7 has welded to the sections 25 of the profile 19 anchor bracket 29, which essentially the anchor brackets 13 in 3 and 4 However, but free ends 30 include, which are also inclined according to the inclination of the portions 25 of the legs 20 to provide a corresponding contact surface for welding the anchor bracket with the profile. In Fig. 8 is the Anchor bracket 29 shown as a single part. Incidentally, the reference numerals in FIGS. 7 and 8 for equal parts with those of FIGS. 3 and 4 match. The execution in Fig. 7 may also be designed so that the ends 30 and the portions 16 of the anchor bracket 29 do not protrude from the profile 19, but can be accommodated completely within the profile height. This has the advantage that of the anchor bars 29 neither the ends 30 nor the outwardly bent portions 16 collide with the on-site reinforcing steel reinforcement.

Die Fig. 9 zeigt einen Ausschnitt einer Ausführungsvariante der Befestigungsschiene gemäß Fig. 5 in perspektivischer Darstellung, wobei das Profil 19 mit Ankerstäben 3 gemäß Fig. 2 versehen ist. In Fig. 9 weist die Befestigungsschiene 18 in den Abschnitten 25 Öffnungen 31 auf, durch die eine zusätzliche Verankerung der Befestigungsschiene 18 im Beton erreicht und die Tragfähigkeit verbessert wird. Diese Befestigungsschiene 18 mit Öffnungen 31 in den Abschnitten 25 kann für geringe Belastungen ankerlos als kostengünstige Befestigungsschiene eingesetzt werden. Das gleiche Profil kann mit Ankern 3 versehen werden, wenn Befestigungsschienen 18 für hohe Belastungen benötigt werden. Dabei ist darauf zu achten, dass der Abstand der Enden 8 der Ankerstäbe 3 zu den Öffnungen 31 ausreichend ist, um den bereits definierten Weg des eindringenden Wassers von der Betonoberfläche zu den Enden 8 der Ankerstäbe 3 von mindestens 25 mm zu gewährleisten. Auch durch ein solches einheitliches Profil 19 mit Öffnungen 31 wird eine Standardisierung erreicht, die zu einer Kostenreduzierung führt. Im Übrigen stimmen die Bezugszeichen in Fig. 9 mit denjenigen der Fig. 5 überein.The Fig. 9 shows a section of a variant of the mounting rail according to Fig. 5 in a perspective view, wherein the profile 19 with anchor rods 3 according to Fig. 2 is provided. In Fig. 9 has the mounting rail 18 in the sections 25 openings 31, achieved by the additional anchoring of the mounting rail 18 in the concrete and the load capacity is improved. This mounting rail 18 with openings 31 in the sections 25 can be used for low loads anchorless as cost-effective mounting rail. The same profile can be provided with anchors 3, when mounting rails 18 are required for high loads. It is important to ensure that the distance between the ends 8 of the anchor rods 3 to the openings 31 is sufficient to ensure the already defined path of the penetrating water from the concrete surface to the ends 8 of the anchor rods 3 of at least 25 mm. Even by such a uniform profile 19 with openings 31, a standardization is achieved, which leads to a cost reduction. Incidentally, the reference numerals in Fig. 9 with those of Fig. 5 match.

Claims (11)

  1. Fixing rail to be embedded in a concrete component, in particular a concrete support, wherein the fixing rail (1, 18) comprises a profile (2, 19) with anchors (3, 13, 21, 29) welded to it therein and the profile (2, 19) is substantially U-shaped, having a web (4, 22) and side legs (5, 20), wherein the web (4, 22) upon embedding is flush with the surface of the concrete component, and a hollow space (6, 23) is formed between the web (4, 22) and the legs (5, 20) and a soft body (12) is arranged in this hollow space (6, 23),
    characterised in that portions (8, 17, 28, 30) of the anchors (3, 13, 21, 29) bear against inner sides (7, 26), facing towards the hollow space (6, 23), of the legs (5, 20), and the anchors (3, 13, 21, 29) are connected to the legs (5, 20) of the profile (2, 19) by means of welded seams (9, 27) or weld points.
  2. Fixing rail according to claim 1,
    characterised in that the anchors are designed as anchor rods (3).
  3. Fixing rail according to claim 2,
    characterised in that the anchor rods (3) are provided, at their ends (10) facing away from the portions (8) for fixing, with a base (11) formed in particular by compression.
  4. Fixing rail according to claim 1,
    characterised in that the anchors are designed as anchor clamps (13, 29).
  5. Fixing rail according to claim 4,
    characterised in that the anchor clamps (13, 29) have a bent end (14), from which legs (15) extend substantially in parallel, which go into outwardly bent portions (16) and have free ends (17) extending along the inner sides (7, 26) of the legs (5, 20) of the profile (2, 19) and are fixed by means of welded seams (9, 27) or weld points thereto.
  6. Fixing rail according to claim 1,
    characterised in that the anchors (21) are designed in wave form and have a plurality of crests (28) which are welded to the inner sides (26) of the legs (20) of the profile (19).
  7. Fixing rail according to claim 1,
    characterised in that the legs (5) of the profile (2) extend orthogonally with respect to the web (4).
  8. Fixing rail according to claim 1,
    characterised in that the legs (20) of the profile (19) have portions (24, 25) extending inclined relative to the web (22), wherein the portions (24) attached to the web (22) extend in an inclined manner into the hollow space (23) and the other portions (25) are inclined outwards.
  9. Fixing rail according to claim 8,
    characterised in that openings (31) are provided in the outwardly inclined portions (25) of the legs (20).
  10. Fixing rail according to claim 1,
    characterised in that the legs (20) of the profile (19) have a height (h) of at least 25 mm from the surface of the concrete component to an end (5') of the leg (20) on the outer side.
  11. Fixing rail according to one of claims 1 to 10,
    characterised in that the body (12) is composed of a foam, in particular polystyrene foam or a soft material layer.
EP14000901.0A 2014-03-13 2014-03-13 Fixing rail for embedding in a concrete element, in particular a concrete beam Active EP2918744B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14000901.0A EP2918744B1 (en) 2014-03-13 2014-03-13 Fixing rail for embedding in a concrete element, in particular a concrete beam
PL14000901T PL2918744T3 (en) 2014-03-13 2014-03-13 Fixing rail for embedding in a concrete element, in particular a concrete beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14000901.0A EP2918744B1 (en) 2014-03-13 2014-03-13 Fixing rail for embedding in a concrete element, in particular a concrete beam

Publications (2)

Publication Number Publication Date
EP2918744A1 EP2918744A1 (en) 2015-09-16
EP2918744B1 true EP2918744B1 (en) 2016-08-24

Family

ID=50343561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14000901.0A Active EP2918744B1 (en) 2014-03-13 2014-03-13 Fixing rail for embedding in a concrete element, in particular a concrete beam

Country Status (2)

Country Link
EP (1) EP2918744B1 (en)
PL (1) PL2918744T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020006992A1 (en) 2020-11-16 2022-05-19 JORDAHL GmbH mounting rail

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3926416A1 (en) 1989-08-10 1991-02-21 Halfeneisen Gmbh & Co Kg MOUNTING RAIL IN CONCRETE CARRIERS OR THE LIKE EMBEDDED
DE19623273A1 (en) 1996-05-31 1997-12-04 Kahneisen Ges Mbh Deutsche Manufacture of fastener embedded in concrete for sheets with trapezoidal corrugations
DE29610257U1 (en) * 1996-05-31 1996-10-02 Deutsche Kahneisen Gesellschaft mbH, 12057 Berlin Device for producing a fastening device that can be embedded in concrete, in particular for trapezoidal sheets
DE29704854U1 (en) * 1997-03-05 1998-04-02 Deutsche Kahneisen Gesellschaft mbH, 12057 Berlin Fastening rail for installation in longitudinal, edge and web reinforcement provided concrete components, in particular for fastening trapezoidal sheets
DE19737246A1 (en) * 1997-08-27 1999-03-18 Messer Griesheim Schweistechni Device for resistance welding of U-shaped profiles with rod-shaped profiles

Also Published As

Publication number Publication date
PL2918744T3 (en) 2017-04-28
EP2918744A1 (en) 2015-09-16

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