EP3708730B1 - Anchoring profile - Google Patents
Anchoring profile Download PDFInfo
- Publication number
- EP3708730B1 EP3708730B1 EP19182875.5A EP19182875A EP3708730B1 EP 3708730 B1 EP3708730 B1 EP 3708730B1 EP 19182875 A EP19182875 A EP 19182875A EP 3708730 B1 EP3708730 B1 EP 3708730B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- anchor
- rail
- webs
- anchor rail
- rail according
- 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.)
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- 238000004873 anchoring Methods 0.000 title claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 27
- 239000006260 foam Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 241000251131 Sphyrna Species 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails
Definitions
- the present invention relates to an anchor rail for anchoring T-head bolts and other fasteners to a concrete part, with a first rail part and a second rail part, which are made of metal and have a large number of anchor webs perpendicular to their longitudinal direction and enclose a channel filled with a filling element.
- a slot for receiving fastening means is formed, wherein a plurality of connecting webs are formed integrally with the first and the second rail part at a distance from the slot, which are welded to one another.
- the EP 3 081 707 A1 discloses an anchor channel for anchoring in concrete to fasten screws, in particular T-head screws.
- the anchor rail is designed as a U-shaped profile with webs on the two legs pointing inwards in order to fix the T-head bolts.
- Several anchors are fixed to the rail, which are intended to hold the rail in place after it has been cast in concrete.
- the manufacture of the anchor rail with the separately attached pin-shaped anchors is comparatively complex and requires a large number of separately manufactured components.
- the connection points between the anchors and the rail are loaded when a force acts on the T-head bolt, so that the holding forces are dependent on the stability of the attachment of the anchors.
- the anchor rail according to the invention comprises a first rail part and a second rail part made of metal, which have a plurality of anchor webs, wherein connecting webs are formed integrally with the first and the second rail part at a distance from a slot for receiving fastening means and are welded to one another.
- the anchor rail can be made from just two rail parts, which are welded together in the area of the connecting webs, with the force being dissipated from the channel for the fastening means largely directly via the anchor webs, so that the area of the connection point between the two connecting webs is hardly loaded.
- the anchor rail ensures stable and precise fixing of fasteners and can be easily manufactured in different lengths.
- the invention is based on the finding that the anchor rail is often loaded with a vibrating device during casting, so that the concrete presses on the anchor rail while it is still in the liquid state and can deform it.
- the connection of the rail parts without intermediate connecting pieces made of plastic increases the positional accuracy of the fastening means on the anchor rail, which is less than 1 mm, preferably less than 0.5 mm.
- the anchor rail is sufficiently stabilized by bending out the connecting webs for the connection at the bottom of the channel.
- the connecting webs are each formed by punching out and bending a section of an anchor web.
- a recess is formed within an anchor bar by punching and bending a connecting bar, with each anchor bar, every second or every third anchor bar optionally being able to be provided with a connecting bar. It is not absolutely necessary for a connecting web to be provided on each anchor web.
- the connecting webs can be butt-welded together, which reduces the amount of material used.
- the joint can run linearly, but also be stepped or profiled in some other way in order to connect the two connecting webs to one another at their front edges.
- the connecting webs can each be connected to an anchor web in the area of a side wall of the channel, so that in a cross-sectional view a bottom of the channel is formed by the connecting webs, and the anchor webs form the side walls and an inwardly directed web, between which the slot for receiving Fastening means is formed.
- openings can be formed at least partially on the connecting webs, for example in order to fix the connecting webs to a substrate using nails or other fastening means before concrete is poured.
- the two rail parts can be symmetrical to a center plane in the longitudinal direction.
- the filling element in the channel preferably comprises a resilient foam which is left in the anchor channel when the fastening means, in particular hammer head screws, are inserted into the slot of the anchor rail.
- the foam is then compressed in the area of the head of the fastening means and can pretension the fastening means against the inwardly directed webs of the anchor rail. This can simplify assembly by preventing the head of the fastener from unscrewing through the foam.
- the filling element with the foam remains in the anchor rail and therefore does not have to be disposed of, which necessitates an additional assembly step.
- a base strip in particular made of plastic or metal, can be provided between the filling element and the connecting webs, which prevents concrete from penetrating the foam.
- the bottom bar can consist of a strip-shaped film, for example.
- laterally outwardly protruding lugs are formed integrally with the anchor webs.
- One or more openings for fastening means can be provided on the lugs, so that the anchor rail can also be pre-fixed in the area of the lugs.
- the slot can be covered by a removable cover which is glued to the anchor rail and/or the filling element.
- the cover can then be peeled off or provided with an opening before inserting the fasteners.
- a recess into which a reinforcement is inserted can be formed in at least part of the anchor webs.
- the reinforcement can be formed, for example, from a U-shaped bar that is hung loosely in the anchor webs.
- the reinforcement passes through a recess in an anchor web on the first rail part and a further recess in an anchor web on the second rail part.
- the movement can also pass through two recesses on two anchor rails on the first rail part or the second rail part, ie it can only be fixed on one of the two rail parts.
- the reinforcement can pass through both an anchor bar on the first rail part and an anchor bar on the second rail part, so that a total of four anchor bars pass through the reinforcement.
- the reinforcement can be U-shaped, with a bend preferably being provided in the area of the stirrup section, so that the stirrup section is no longer arranged in the plane spanned by the legs. This facilitates the assembly and alignment of the reinforcement.
- the reinforcement In the installed position, the reinforcement can run both parallel to the plane of the connecting webs with the bars and perpendicular thereto, depending on the direction in which the loads are exerted on the anchor rail.
- teeth For attachment to the inwardly directed webs, teeth can be formed in each case, which serve to fix a head of a hammer-head screw or another attachment means in a form-fitting manner.
- a slot is preferably formed between the anchor webs in the area of the side walls on the channel, which slit makes it easier to cut off the anchor rail to the desired length.
- the slot between the anchor webs in the area of the side walls can ensure elasticity in the longitudinal direction, so that the anchor rail can also be processed in a bent state.
- An anchor rail 1 comprises a first rail part 1a and a second rail part 1b, both of which are made of metal, in particular by bending and stamping a steel sheet.
- the two rail parts 1a and 1b each have a multiplicity of anchor webs 2, which extend perpendicular to the longitudinal direction and are embedded in concrete in the mounted position.
- Each anchor web 2 comprises a widened foot section 20 which is connected via a spreading section 21 to a side wall 23 which surrounds a tubular channel in which a filling element 5 is arranged.
- Inwardly directed webs 24 are formed integrally with the side wall 23, on which a toothing 7 is provided. Between the two toothings 7 on the two webs 24 there is a slot 6 for receiving fastening means.
- the two rail parts 1a and 1b are connected to one another via a large number of connecting webs 3 which are formed integrally with the anchor webs 2 .
- a recess 22 is formed on each anchor bar, which is produced by punching and bending a connecting bar 3 which is aligned at an angle to the anchor bar 2 .
- Two connecting webs 3 are welded together in a joint area 4, ie at a front edge of the connecting webs 3.
- the abutting area 4 is designed as a straight edge in the exemplary embodiment shown, but it can also be stepped or profiled in some other way.
- the anchor webs 2 of the rail part 1a and the rail part 1b spread outwards and have a greater width in the area of the foot section 20 than the width of the channel.
- the anchor webs are aligned at an angle ⁇ to the side wall 23, which is between 10° and 30°, for example.
- a filling element 5 is inserted, which consists of an elastic material, in particular an elastic foam. This prevents concrete from entering the channel.
- the elastic foam can after Pouring concrete left in the channel.
- a cover 8 is preferably provided, for example an adhesive film which is glued to the filling element 5 and/or the inwardly directed webs 24. before mounting fasteners, the cover 8 can be removed or cut open.
- a connecting web 3 is integrally formed in each anchor web 2 . It is of course possible to reduce the number of connecting webs 3 and to form a connecting web 3 only in every second anchor web or every third anchor web 2 .
- openings 15 which can be used to fix the anchor rail 1 to a substrate, for example by attaching nails before the concrete is poured.
- Slots 28 are also formed between adjacent anchor bars 2 in the area of the side wall 23, so that adjacent anchor bars 2 are only connected to one another via a material taper.
- the anchor rail 1 can be bent through the slots 28 so that it can also be processed in a bent shape.
- the slots 28 make it easier to cut off the anchor rail 1 to the desired length.
- FIG. 2A and 2B is the anchor rail 1 of Figures 1A to 1D shown, with an additional reinforcement 10 is mounted in the form of a U-shaped rod.
- the reinforcement 10 has a bracket section 11 and two downwardly projecting legs 12.
- the bracket section 11 reaches through recesses 22 on two anchor webs 2, with an anchor web 2 on the first rail part 1a and an anchor web 2 on the second rail part 1b being reached through.
- each rail part 1a' and 1b' comprises anchor webs 2 similar to the previous exemplary embodiment.
- connecting webs 3 are not formed integrally in every anchor web 2, but only in every second anchor web 2.
- the connecting webs 3 are welded to one another at the joint area 4, as in the previous exemplary embodiment.
- the anchor bars 2 without a connecting bar 3 are provided with punched tabs 25 which are bent outwards instead of inwards towards the underside of the channel. Like this from the Figure 3C is evident. At an opening 26, nails or other fastening means for fixing the anchor rail 1' to a substrate can be introduced into the tabs 25 protruding outwards from the channel.
- a base strip 30 is arranged under the filling element 5 in the anchor rail 1 ′ in the channel on the connecting webs 3 .
- the bottom strip 30 can be formed from a foil made of plastic or metal, which is arranged in strips in the longitudinal direction of the channel and prevents concrete from penetrating into the channel. This ensures that the filling element 5, in particular the foam, retains its elasticity when pouring concrete. Otherwise, the anchor rail 1′ corresponds to the previous exemplary embodiment, and the same components are provided with the same reference numbers.
- the fastening means 40 is designed as a hammer head screw and comprises a head section 42 which engages in the channel of the anchor rail 1' and compresses the filling element 5.
- the head section 42 is elongate and is inserted into the slot 6 and then rotated by approximately 90°, so that the outer areas of the head section 42 engage behind the inwardly projecting webs 24 .
- a toothing 41 on the head section 42 comes into engagement with the toothing 7 on the slot 6.
- a threaded section 43 extends out from the head section 42, on which fastening means, such as a nut, can be fixed.
- To mount the hammer head screw only the cover 8 has to be removed or an opening made in the cover 8.
- the anchor rail 1, 1' can be produced from only two metal rail parts 1a and 1b, which are fixed to one another via the connecting webs 3.
- the shape of the anchor bars 2 can be varied. These can also protrude from the channel in other forms.
- FIG. 5A to 5D is the anchor rail 1 of figures 1 and 2 shown in a partially installed position in which a concrete block 60 is shown.
- An upper side of the anchor rail terminates essentially flush with an upper side of the concrete block 60 .
- the anchor bars 2 are cast into the concrete material, with at least some of the anchor bars 2 having reinforcements 10' inserted therein.
- the reinforcements 10' are U-shaped and have a bracket section 11 and two rod-shaped legs 12. In the area of the stirrup section 11, the reinforcement 10' has a bend 13, so that the stirrup section 11 is no longer arranged in the plane spanned by the legs 12, but runs inclined thereto, for example at an angle between 15° and 50°.
- the reinforcement 10' can be made of wire, in particular a rebar, and ensure a direct introduction of force at the transition between the anchor rail and the reinforcement. Due to the offset 13, the reinforcement 10' can be attached to the anchor rail 1 with different orientations.
- the reinforcement 10 ′ is aligned with the legs 12 downwards, that is to say perpendicular to a plane spanned by the connecting webs 3 .
- the anchor rail 1 is also shown in an installation situation on a concrete block 50, but the reinforcement 10' with the legs 12 is arranged offset by 90°, so that the legs 12 are arranged essentially parallel to the connecting webs 3 on the anchor rail.
- the reinforcement 10' is inserted through the recesses 22 on one of the two bar parts 1a or 1b.
- the legs 12 pass through two recesses 22 on two adjacent anchor bars 2.
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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)
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Description
Die vorliegende Erfindung betrifft eine Ankerschiene zum Verankern von Hammerkopfschrauben und anderen Befestigungsmitteln an einem Betonteil, mit einem ersten Schienenteil und einem zweiten Schienenteil, die aus Metall hergestellt sind und senkrecht zu ihrer Längsrichtung eine Vielzahl von Ankerstegen aufweisen und einen durch ein Füllungselement ausgefüllten Kanal umschließen, an dem auf der zu den Ankerstegen abgewandten Seite ein Schlitz zur Aufnahme von Befestigungsmitteln ausgebildet ist, wobei integral mit dem ersten und dem zweiten Schienenteil beabstandet von dem Schlitz mehrere Verbindungsstege ausgebildet sind, die miteinander verschweißt sind.The present invention relates to an anchor rail for anchoring T-head bolts and other fasteners to a concrete part, with a first rail part and a second rail part, which are made of metal and have a large number of anchor webs perpendicular to their longitudinal direction and enclose a channel filled with a filling element. on the side facing away from the anchor webs a slot for receiving fastening means is formed, wherein a plurality of connecting webs are formed integrally with the first and the second rail part at a distance from the slot, which are welded to one another.
Die
In der
Es ist daher Aufgabe der vorliegenden Erfindung, eine Ankerschiene zu schaffen, die einfach herstellbar ist und hohe Haltekräfte aufnehmen kann.It is therefore the object of the present invention to create an anchor rail that is easy to produce and can absorb high holding forces.
Diese Aufgabe wird mit einer Ankerschiene mit den Merkmalen des Anspruches 1 gelöst.This object is achieved with an anchor rail having the features of
Die erfindungsgemäße Ankerschiene umfasst ein erstes Schienenteil und ein zweites Schienenteil aus Metall, die eine Vielzahl von Ankerstegen aufweisen, wobei integral mit dem ersten und dem zweiten Schienenteil beabstandet von einem Schlitz zur Aufnahme von Befestigungsmitteln Verbindungsstege ausgebildet sind, die miteinander verschweißt sind. Dadurch kann die Ankerschiene aus nur zwei Schienenteilen hergestellt sein, die im Bereich der Verbindungsstege miteinander verschweißt sind, wobei die Kraftabtragung von dem Kanal für die Befestigungsmittel weitgehend unmittelbar über die Ankerstege erfolgt, so dass der Bereich der Verbindungsstelle zwischen den beiden Verbindungsstegen kaum belastet ist. Dadurch gewährleistet die Ankerschiene eine stabile und genaue Fixierung von Befestigungsmitteln und lässt sich einfach in unterschiedlichen Längen herstellen.The anchor rail according to the invention comprises a first rail part and a second rail part made of metal, which have a plurality of anchor webs, wherein connecting webs are formed integrally with the first and the second rail part at a distance from a slot for receiving fastening means and are welded to one another. As a result, the anchor rail can be made from just two rail parts, which are welded together in the area of the connecting webs, with the force being dissipated from the channel for the fastening means largely directly via the anchor webs, so that the area of the connection point between the two connecting webs is hardly loaded. As a result, the anchor rail ensures stable and precise fixing of fasteners and can be easily manufactured in different lengths.
Die Erfindung basiert auf der Erkenntnis, dass die Ankerschiene beim Vergießen häufig mit einem Rüttelgerät belastet ist, so dass der Beton noch im flüssigen Zustand auf die Ankerschiene drückt und diese verformen kann. Die Verbindung der Schienenteile ohne zwischengeschaltete Verbindungsstücke aus Kunststoff erhöht die Positionsgenauigkeit der Befestigungsmittel an der Ankerschiene, die unter 1mm liegt, vorzugsweise unter 0,5mm liegt. Durch das Herausbiegen der Verbindungsstege für die Verbindung an dem Boden des Kanals ist die Ankerschiene ausreichend stabilisiert.The invention is based on the finding that the anchor rail is often loaded with a vibrating device during casting, so that the concrete presses on the anchor rail while it is still in the liquid state and can deform it. The connection of the rail parts without intermediate connecting pieces made of plastic increases the positional accuracy of the fastening means on the anchor rail, which is less than 1 mm, preferably less than 0.5 mm. The anchor rail is sufficiently stabilized by bending out the connecting webs for the connection at the bottom of the channel.
Erfindungsgemäß sind die Verbindungsstege jeweils durch Ausstanzen und Biegen eines Abschnittes eines Ankersteges gebildet. Durch das Stanzen und Biegen eines Verbindungssteges wird eine Aussparung innerhalb eines Ankersteges gebildet, wobei wahlweise jeder Ankersteg, jeder zweite oder jeder dritte Ankersteg mit einem Verbindungssteg versehen sein kann. Es ist nicht zwingend erforderlich, dass an jedem Ankersteg ein Verbindungssteg vorgesehen ist.According to the invention, the connecting webs are each formed by punching out and bending a section of an anchor web. A recess is formed within an anchor bar by punching and bending a connecting bar, with each anchor bar, every second or every third anchor bar optionally being able to be provided with a connecting bar. It is not absolutely necessary for a connecting web to be provided on each anchor web.
Für die Verbindung der beiden Schienenteile können die Verbindungsstege auf Stoß miteinander verschweißt sein, was den Materialeinsatz reduziert. Der Stoß kann dabei linienförmig verlaufen, aber auch gestuft oder anderweitig profiliert sein, um die beiden Verbindungsstege an ihren Stirnkanten miteinander zu verbinden. Die Verbindungsstege können jeweils im Bereich einer Seitenwand des Kanals mit einem Ankersteg verbunden sein, so dass in Querschnittsansicht ein Boden des Kanals durch die Verbindungsstege gebildet wird, und die Ankerstege die Seitenwände und einen nach innen gerichteten Steg ausbilden, zwischen denen der Schlitz zur Aufnahme von Befestigungsmitteln ausgebildet ist. Optional können an den Verbindungsstegen zumindest teilweise Öffnungen ausgebildet sein, beispielsweise um die Verbindungsstege an einem Untergrund über Nägel oder andere Befestigungsmittel zu fixieren, bevor ein Vergießen von Beton erfolgt.To connect the two rail parts, the connecting webs can be butt-welded together, which reduces the amount of material used. The joint can run linearly, but also be stepped or profiled in some other way in order to connect the two connecting webs to one another at their front edges. The connecting webs can each be connected to an anchor web in the area of a side wall of the channel, so that in a cross-sectional view a bottom of the channel is formed by the connecting webs, and the anchor webs form the side walls and an inwardly directed web, between which the slot for receiving Fastening means is formed. Optionally, openings can be formed at least partially on the connecting webs, for example in order to fix the connecting webs to a substrate using nails or other fastening means before concrete is poured.
Die beiden Schienenteile können zu einer Mittelebene in Längsrichtung symmetrisch ausgebildet sein.The two rail parts can be symmetrical to a center plane in the longitudinal direction.
Das Füllungselement in dem Kanal umfasst vorzugsweise einen elastischen Schaumstoff, der in der Ankerschiene belassen wird, wenn die Befestigungsmittel, insbesondere Hammerkopfschrauben, in den Schlitz der Ankerschiene eingefügt werden. Dann wird der Schaumstoff im Bereich des Kopfes der Befestigungsmittel komprimiert und kann das Befestigungsmittel gegen die nach innen gerichteten Stege der Ankerschiene vorspannen. Dies kann die Montage vereinfachen, indem ein Herausdrehen des Kopfes der Befestigungsmittel durch den Schaumstoff verhindert wird. Das Füllungselement mit dem Schaumstoff verbleibt in der Ankerschiene und muss daher nicht entsorgt werden, was einen weiteren Montageschritt notwendig macht.The filling element in the channel preferably comprises a resilient foam which is left in the anchor channel when the fastening means, in particular hammer head screws, are inserted into the slot of the anchor rail. The foam is then compressed in the area of the head of the fastening means and can pretension the fastening means against the inwardly directed webs of the anchor rail. This can simplify assembly by preventing the head of the fastener from unscrewing through the foam. The filling element with the foam remains in the anchor rail and therefore does not have to be disposed of, which necessitates an additional assembly step.
Optional kann zwischen dem Füllungselement und den Verbindungsstegen eine Bodenleiste, insbesondere aus Kunststoff oder Metall, vorgesehen sein, die verhindert, dass Beton in den Schaumstoff eindringt. Die Bodenleiste kann beispielsweise aus einer streifenförmigen Folie bestehen.Optionally, a base strip, in particular made of plastic or metal, can be provided between the filling element and the connecting webs, which prevents concrete from penetrating the foam. The bottom bar can consist of a strip-shaped film, for example.
In einer weiteren Ausgestaltung sind integral mit den Ankerstegen seitlich nach außen hervorstehende Laschen ausgebildet. An den Laschen können eine oder mehrere Öffnungen für Befestigungsmittel vorgesehen sein, so dass die Ankerschiene auch im Bereich der Laschen vorfixiert werden kann.In a further embodiment, laterally outwardly protruding lugs are formed integrally with the anchor webs. One or more openings for fastening means can be provided on the lugs, so that the anchor rail can also be pre-fixed in the area of the lugs.
Um eine Verunreinigung der Ankerschiene im Bereich des Schlitzes zu vermeiden, kann der Schlitz durch eine Abnehmbare Abdeckung überdeckt sein, die mit der Ankerschiene und/oder dem Füllungselement verklebt ist. Die Abdeckung kann dann vor dem Einbringen der Befestigungsmittel abgezogen oder mit einer Öffnung versehen werden.In order to avoid contamination of the anchor rail in the area of the slot, the slot can be covered by a removable cover which is glued to the anchor rail and/or the filling element. The cover can then be peeled off or provided with an opening before inserting the fasteners.
In einer weiteren Ausgestaltung kann in zumindest einem Teil der Ankerstege eine Aussparung ausgebildet sein, in die eine Bewehrung eingefügt ist. Die Bewehrung kann beispielsweise aus U-förmiger Stab ausgebildet sein, der lose in die Ankerstege eingehängt wird. Dabei durchgreift die Bewehrung eine Aussparung an einem Ankersteg an dem ersten Schienenteil und eine weitere Aussparung an einem Ankersteg an dem zweiten Schienenteil. Alternativ kann die Bewegung auch zwei Aussparungen an zwei Ankerschienen an dem ersten Schienenteil oder dem zweiten Schienenteil durchgreifen, also nur an einem der beiden Schienenteile fixiert sein. In einer dritten Ausgestaltung kann die Bewehrung sowohl einen Ankersteg an dem ersten Schienenteil als auch einen Ankersteg an dem zweiten Schienenteil durchgreifen, so dass insgesamt vier Ankerstege durch die Bewehrung durchgriffen sind.In a further embodiment, a recess into which a reinforcement is inserted can be formed in at least part of the anchor webs. The reinforcement can be formed, for example, from a U-shaped bar that is hung loosely in the anchor webs. The reinforcement passes through a recess in an anchor web on the first rail part and a further recess in an anchor web on the second rail part. Alternatively, the movement can also pass through two recesses on two anchor rails on the first rail part or the second rail part, ie it can only be fixed on one of the two rail parts. In a third embodiment, the reinforcement can pass through both an anchor bar on the first rail part and an anchor bar on the second rail part, so that a total of four anchor bars pass through the reinforcement.
Die Bewehrung kann U-förmig ausgebildet sein, wobei vorzugsweise im Bereich des Bügelabschnittes eine Abkröpfung vorgesehen ist, so dass der Bügelabschnitt nicht mehr der durch die Schenkel aufgespannten Ebene angeordnet ist. Dies erleichtert die Montage und Ausrichtung der Bewehrung. Die Bewehrung kann dabei in der eingebauten Position sowohl parallel zur Ebene der Verbindungsstege mit den Stäben verlaufen als auch senkrecht hierzu, je nachdem, in welche Richtung die Belastungen auf die Ankerschiene ausgeübt werden.The reinforcement can be U-shaped, with a bend preferably being provided in the area of the stirrup section, so that the stirrup section is no longer arranged in the plane spanned by the legs. This facilitates the assembly and alignment of the reinforcement. In the installed position, the reinforcement can run both parallel to the plane of the connecting webs with the bars and perpendicular thereto, depending on the direction in which the loads are exerted on the anchor rail.
Zur Befestigung an den nach innen gerichteten Stegen können jeweils Verzahnungen ausgebildet sein, die formschlüssig zur Fixierung eines Kopfes einer Hammerkopfschraube oder eines anderen Befestigungsmittels dienen.For attachment to the inwardly directed webs, teeth can be formed in each case, which serve to fix a head of a hammer-head screw or another attachment means in a form-fitting manner.
Bei der erfindungsgemäßen Ankerschiene ist vorzugsweise zwischen den Ankerstegen ein Schlitz im Bereich der Seitenwände an dem Kanal ausgebildet, der ein Abtrennen der Ankerschiene in der gewünschten Länge erleichtert. Zudem kann der Schlitz zwischen den Ankerstegen im Bereich der Seitenwände für eine Elastizität in Längsrichtung sorgen, so dass die Ankerschiene auch in einem gebogenen Zustand verarbeitet werden kann.In the case of the anchor rail according to the invention, a slot is preferably formed between the anchor webs in the area of the side walls on the channel, which slit makes it easier to cut off the anchor rail to the desired length. In addition, the slot between the anchor webs in the area of the side walls can ensure elasticity in the longitudinal direction, so that the anchor rail can also be processed in a bent state.
Die Erfindung wird nachfolgend anhand mehrerer Ausführungsbeispiele mit Bezug auf die beigefügten Zeichnungen näher erläutert. Es zeigen:
- Figuren 1A bis 1D
- mehrere Ansichten einer erfindungsgemäßen Ankerschiene;
- Figuren 2A und 2B
- zwei Ansichten der Ankerschiene der
mit einer Bewehrung;Figur 1 - Figuren 3A bis 3D
- mehrere Ansichten eines zweiten Ausführungsbeispiels einer erfindungsgemäßen Ankerschiene;
- Figuren 4A und 4B
- zwei Ansichten der Ankerschiene der
mit einem montierten Befestigungsmittel;Figur 3 - Figuren 5A bis 5D
- mehrere Ansichten einer Ankerschiene mit Bewehrungen in einer teilweise eingebauten Position, und
- Figuren 6A bis 6C
- mehrere Ansichten einer Ankerschiene in einer eingebauten Position mit einer modifizierten Bewehrung.
- Figures 1A to 1D
- several views of an anchor rail according to the invention;
- Figures 2A and 2B
- two views of the anchor rail of the
figure 1 with a reinforcement; - Figures 3A to 3D
- several views of a second embodiment of an anchor rail according to the invention;
- Figures 4A and 4B
- two views of the anchor rail of the
figure 3 with a mounted fastener; - Figures 5A to 5D
- several views of an anchor channel with reinforcements in a partially installed position, and
- Figures 6A to 6C
- several views of an anchor channel in an installed position with a modified reinforcement.
Eine Ankerschiene 1 umfasst ein erstes Schienenteil 1a und ein zweites Schienenteil 1b, die beide aus Metall hergestellt sind, insbesondere durch Biegen und Stanzen eines Stahlbleches. Die beiden Schienenteile 1a und 1b weisen jeweils eine Vielzahl von Ankerstegen 2 auf, die sich senkrecht zur Längsrichtung erstrecken und in der montierten Position in Beton eingebettet sind.An
Jeder Ankersteg 2 umfasst einen verbreiterten Fußabschnitt 20, der über einen aufspreizenden Abschnitt 21 mit einer Seitenwand 23 verbunden ist, die einen rohrförmigen Kanal umgibt, in dem ein Füllungselement 5 angeordnet ist. Integral mit der Seitenwand 23 sind nach innen gerichtete Stege 24 ausgebildet, an denen eine Verzahnung 7 vorgesehen ist. Zwischen den beiden Verzahnungen 7 an den beiden Stegen 24 ist ein Schlitz 6 zur Aufnahme von Befestigungsmitteln vorgesehen.Each
Die beiden Schienenteile 1a und 1b sind über eine Vielzahl von Verbindungsstegen 3 miteinander verbunden, die integral mit den Ankerstegen 2 ausgebildet sind. Dabei ist an jedem Ankersteg eine Aussparung 22 ausgebildet, die durch Stanzen und Biegen eines Verbindungssteges 3 hergestellt ist, der winklig zu dem Ankersteg 2 ausgerichtet ist. Zwei Verbindungsstege 3 sind dabei in einem Stoßbereich 4, also an einer Stirnkante der Verbindungsstege 3, miteinander verschweißt. Der Stoßbereich 4 ist in dem dargestellten Ausführungsbeispiel als gerade Kante ausgebildet, kann aber auch stufenförmig oder anderweitig profiliert sein.The two
Wie in
In dem Kanal, der an der Unterseite durch die Verbindungsstege 3, an dem beiden Seiten durch die Seitenwände 23 und an der Oberseite zumindest am Rand durch die nach innen gerichteten Stege 24 begrenzt wird, ist ein Füllungselement 5 eingefügt, das aus einem elastischen Material, insbesondere einem elastischen Schaumstoff, hergestellt ist. Dadurch wird ein Eindringen von Beton in den Kanal vermieden. Der elastische Schaumstoff kann nach dem Vergießen von Beton in dem Kanal verbleiben. Um eine Verunreinigung des Schlitzes 6 und des Füllungselementes 5 zu vermeiden, ist vorzugswiese eine Abdeckung 8 vorgesehen, beispielsweise eine Klebefolie, die mit dem Füllungselement 5 und/oder den nach innen gerichteten Stegen 24 verklebt ist. vor der Montage von Befestigungsmitteln kann die Abdeckung 8 entfernt oder aufgeschnitten werden.In the channel, which is delimited on the underside by the connecting
In den
In den Verbindungsstegen 3 sind ferner Öffnungen 15 vorgesehen, die zur Fixierung der Ankerschiene 1 an einem Untergrund dienen können, beispielsweise durch Anbringen von Nägeln vor dem Gießen von Beton.Also provided in the connecting
Zwischen benachbarten Ankerstegen 2 sind ferner im Bereich der Seitenwand 23 Schlitze 28 ausgebildet, so dass benachbarte Ankerstege 2 nur über eine Materialverjüngung miteinander verbunden sind. Durch die Schlitze 28 kann die Ankerschiene 1 gebogen werden, um auch in gebogener Form verarbeitet zu werden. Zudem erleichtern die Schlitze 28 das Abtrennen der Ankerschiene 1 in der gewünschten Länge.
In den
In den
Die Ankerstege 2 ohne Verbindungssteg 3 sind mit ausgestanzten Laschen 25 versehen, die statt nach innen zu der Unterseite des Kanals nach außen umgebogen sind. Wie dies aus der
Ferner ist bei der Ankerschiene 1' im Kanal auf den Verbindungsstegen 3 eine Bodenleiste 30 unter dem Füllungselement 5 angeordnet. Die Bodenleiste 30 kann aus einer Folie aus Kunststoff oder Metall gebildet sein, die streifenförmig in Längsrichtung des Kanals angeordnet ist und ein Eindringen von Beton in den Kanal verhindert. Dadurch wird gewährleistet, dass das Füllungselement 5, insbesondere der Schaumstoff, seine Elastizität beim Vergießen von Beton beibehält. Im Übrigen entspricht die Ankerschiene 1' dem vorangegangenen Ausführungsbeispiel, und gleiche Bauteile sind mit den gleichen Bezugszeichen versehen.Furthermore, a
In den
Die Ankerschiene 1, 1' kann abgesehen von dem Füllungselement 5 und einer etwaigen Bodenleiste 30 aus nur zwei metallischen Schienenteilen 1a und 1b hergestellt werden, die über die Verbindungsstege 3 aneinander festgelegt sind. Dabei kann die Form der Ankerstege 2 variiert werden. Diese können auch in anderer Form von dem Kanal hervorstehen.Apart from the filling
In den
In den
In den
Zudem ist es möglich, die Bewehrung 10' durch einen ersten Ankersteg 2 an dem Schienenteil 1a und einen zweiten Ankersteg 2 an dem zweiten Schienenteil 1b einzufügen, wie dies in
- 1, 1'1, 1'
- Ankerschieneanchor rail
- 1a, 1a'1a, 1a'
- Schienenteilrail part
- 1b, 1b'1b, 1b'
- Schienenteilrail part
- 22
- Ankersteganchor bar
- 33
- Verbindungsstegconnecting bar
- 44
- Stoßbereichimpact area
- 55
- Füllungselementfilling element
- 66
- Schlitzslot
- 77
- Verzahnunggearing
- 88th
- Abdeckungcover
- 10, 10'10, 10'
- Bewehrungreinforcement
- 1111
- Bügelabschnittironing section
- 1212
- Schenkelleg
- 1313
- Abkröpfungoffset
- 1515
- Öffnungopening
- 2020
- Fußabschnittfoot section
- 2121
- Abschnittsection
- 2222
- Aussparungrecess
- 2323
- SeitenwandSide wall
- 2424
- Stegweb
- 2525
- Laschetab
- 2626
- Öffnungopening
- 2828
- Schlitzslot
- 3030
- Bodenleistebottom bar
- 4040
- Befestigungsmittelfasteners
- 4141
- Verzahnunggearing
- 4242
- Kopfabschnitthead section
- 4343
- Gewindeabschnittthreaded section
- 5050
- Betonblockconcrete block
- 6060
- Betonblockconcrete block
- αa
- Winkelangle
Claims (14)
- Anchor rail (1, 1') for anchoring hammerhead screws (40) and other fastening means to a concrete part, comprising a first rail part (1a) and a second rail part (1b) which are made of metal and have a plurality of anchor webs (2) perpendicular to their longitudinal direction and enclose a channel filled by a filling element (5), on which channel a slot (6) for receiving fastening means is formed on the side facing away from the anchor webs (2), wherein a plurality of connecting webs (3) are formed integrally with the first and second rail parts (1a, 1b) at a distance from the slot (6) and are welded to one another, characterized in that the connecting webs (3) are each formed by stamping out and bending a section of an anchor web (2).
- Anchor rail according to claim 1, characterized in that the connecting webs (3) are butt-welded to each other.
- Anchor rail according to claim 1 or 2, characterized in that the connecting webs (3) are each connected to an anchor web (2) in the region of a side wall (23) of the channel.
- Anchor rail according to one of the preceding claims, characterized in that openings (15) for fastening are formed at least partially on the connecting webs (3).
- Anchor rail according to one of the preceding claims, characterized in that the two rail parts (1a, 1b) are formed symmetrically with respect to a center plane in the longitudinal direction.
- Anchor rail according to one of the preceding claims, characterized in that the filling element (5) comprises an elastic foam.
- Anchor rail according to one of the preceding claims, characterized in that a bottom strip (30), in particular made of plastic, is provided between the filling element (5) and the connecting webs (3).
- Anchor rail according to one of the preceding claims, characterized in that tabs (25) projecting laterally outwards are formed integrally with a part of the anchor rail (2).
- Anchor rail according to one of the preceding claims, characterized in that the slot (6) is covered by a removable cover (8) which is bonded to the anchor rail (1) and/or the filling element (5).
- Anchor rail according to one of the preceding claims, characterized in that a recess (22) is formed in at least part of the anchor webs (2) and at least one reinforcement (10) is passed through a recess (22) in an anchor web (2) on the first rail part (1a) and through a recess (22) in an anchor web (2) on the first rail part (1a) and/or on the second rail part (1b).
- Anchor rail according to claim 10, characterized in that the reinforcement (10) is designed as a U-shaped bar which is loosely suspended in the recesses (22) of the two anchor webs (2).
- Anchor rail according to claim 10 or 11, characterized in that the reinforcement (10') is of U-shaped design and a bend is provided at a bracket section (11).
- Anchor rail according to one of the preceding claims, characterized in that a toothing (7) is formed on the slot (6) at the inwardly directed webs (24).
- Fastening arrangement having a concrete part, on which at least one anchor rail (1, 1') according to one of the preceding claims is embedded with the anchor webs (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HRP20220805TT HRP20220805T1 (en) | 2019-03-11 | 2019-06-27 | Anchoring profile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019106155.5A DE102019106155A1 (en) | 2019-03-11 | 2019-03-11 | Anchor rail |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3708730A1 EP3708730A1 (en) | 2020-09-16 |
EP3708730B1 true EP3708730B1 (en) | 2022-04-06 |
Family
ID=67105872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19182875.5A Active EP3708730B1 (en) | 2019-03-11 | 2019-06-27 | Anchoring profile |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3708730B1 (en) |
DE (1) | DE102019106155A1 (en) |
DK (1) | DK3708730T3 (en) |
ES (1) | ES2920387T3 (en) |
HR (1) | HRP20220805T1 (en) |
HU (1) | HUE059088T2 (en) |
LT (1) | LT3708730T (en) |
PL (1) | PL3708730T3 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020102977A1 (en) | 2020-02-05 | 2021-08-05 | Wilhelm Modersohn Gmbh & Co Kg | Fastening device, assembly unit and method for assembling a hammer head screw on an anchor rail |
DE102020103568A1 (en) | 2020-02-12 | 2021-08-12 | Wilhelm Modersohn Gmbh & Co Kg | Anchor rail and method for making an anchor rail |
DE102020117639A1 (en) | 2020-07-03 | 2022-01-05 | Wilhelm Modersohn Gmbh & Co Kg | Anchor rail arrangement and method for producing a cast body |
DE102020126901A1 (en) * | 2020-10-13 | 2022-04-14 | Wilhelm Modersohn Gmbh & Co Kg | anchor rail |
DE102020132408A1 (en) | 2020-12-07 | 2022-06-09 | Wilhelm Modersohn Gmbh & Co Kg | Anchor bar and method of manufacturing an anchor bar |
DE102021133944A1 (en) | 2021-12-20 | 2023-06-22 | Wilhelm Modersohn Gmbh & Co Kg | anchor rail |
DE102022107996A1 (en) | 2022-04-04 | 2023-10-05 | Henning Hager | Anchor unit, structural device and method for producing a structural device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003060249A1 (en) * | 2002-01-21 | 2003-07-24 | Alstom (Switzerland) Ltd | Device for releasably anchoring the supporting frame element, particularly the vertical supporting element, of a structure on a foundation |
DE10306511B3 (en) * | 2003-02-14 | 2004-07-22 | Deutsche Kahneisen Gesellschaft Mbh | Manufacturing method for anchor rail used in construction industry using 2 half shells formed from metal sheet material |
DE102008029838A1 (en) * | 2008-06-25 | 2009-12-31 | Wilhelm Modersohn Gmbh & Co Kg | Anchor rail for anchoring e.g. hammer-head bolt, at concrete structure, has anchor blades connected together by connection point e.g. welded joint, where anchor rail is formed in C-shape, and point is arranged at base of rail |
EP3081707B1 (en) | 2015-04-18 | 2020-06-03 | HALFEN GmbH | Anchor rail for anchoring in concrete and fixing system comprising an anchor rail |
-
2019
- 2019-03-11 DE DE102019106155.5A patent/DE102019106155A1/en active Pending
- 2019-06-27 PL PL19182875.5T patent/PL3708730T3/en unknown
- 2019-06-27 ES ES19182875T patent/ES2920387T3/en active Active
- 2019-06-27 EP EP19182875.5A patent/EP3708730B1/en active Active
- 2019-06-27 LT LTEP19182875.5T patent/LT3708730T/en unknown
- 2019-06-27 HU HUE19182875A patent/HUE059088T2/en unknown
- 2019-06-27 HR HRP20220805TT patent/HRP20220805T1/en unknown
- 2019-06-27 DK DK19182875.5T patent/DK3708730T3/en active
Also Published As
Publication number | Publication date |
---|---|
HUE059088T2 (en) | 2022-10-28 |
EP3708730A1 (en) | 2020-09-16 |
ES2920387T3 (en) | 2022-08-03 |
DE102019106155A1 (en) | 2020-09-17 |
LT3708730T (en) | 2022-06-27 |
PL3708730T3 (en) | 2022-08-16 |
HRP20220805T1 (en) | 2022-09-30 |
DK3708730T3 (en) | 2022-07-04 |
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