EP3990715B1 - Élément d'ancrage et procédé de montage d'un rail d'ancrage dans un élément de construction en béton - Google Patents

Élément d'ancrage et procédé de montage d'un rail d'ancrage dans un élément de construction en béton Download PDF

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Publication number
EP3990715B1
EP3990715B1 EP20761189.8A EP20761189A EP3990715B1 EP 3990715 B1 EP3990715 B1 EP 3990715B1 EP 20761189 A EP20761189 A EP 20761189A EP 3990715 B1 EP3990715 B1 EP 3990715B1
Authority
EP
European Patent Office
Prior art keywords
anchor rail
retaining bracket
anchor
flange
formwork component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20761189.8A
Other languages
German (de)
English (en)
Other versions
EP3990715A1 (fr
Inventor
Wilhelm Jochen Peter Modersohn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilhelm Modersohn GmbH and Co KG
Original Assignee
Wilhelm Modersohn GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wilhelm Modersohn GmbH and Co KG filed Critical Wilhelm Modersohn GmbH and Co KG
Priority to HRP20230322TT priority Critical patent/HRP20230322T1/hr
Publication of EP3990715A1 publication Critical patent/EP3990715A1/fr
Application granted granted Critical
Publication of EP3990715B1 publication Critical patent/EP3990715B1/fr
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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
    • 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
    • E04B1/4114—Elements with sockets
    • E04B1/4128—Elements with sockets receiving adjustable or removal nuts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/18—Adjusting tools; Templates
    • E04G21/1841—Means for positioning building parts or elements
    • E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure

Definitions

  • the present invention relates to an anchoring element for casting in concrete, with an anchor rail with a large number of anchor webs and a strip-shaped receptacle for mounting fastening means, at least one retaining clip being fixed to the anchor rail, which grips over the anchor rail perpendicular to its longitudinal direction and via which the An anchor rail can be fixed to a formwork component, wherein at least one flange protruding laterally from the anchor rail is formed on the retaining bracket and a method for installing an anchor rail in a structure made of concrete.
  • the DE 10 2008 029 838 A1 discloses an anchor rail for fixing fastening means to a structure made of concrete, the anchor rail having a multiplicity of anchor webs which are cast into the concrete.
  • the anchor rail In order to position such an anchor rail before concrete is poured, it is known to fix the anchor rail to a formwork component using nails. After concrete has been poured, the formwork member is then removed leaving the nails in the concrete.
  • the nails are a nuisance in the mounting area of the anchor rail.
  • the introduction of nails into small openings on the anchor rail is also complicated with regard to assembly, since the nails cannot be shot in with so-called nail guns.
  • the U.S. 2005/0217197 A1 discloses a clip for fixing a rail in a concrete component, in which two sleeve-shaped fasteners are formed on a bracket, which are then torn off when a formwork is removed. Openings are formed in the formwork, into which the sleeve-shaped fastening elements can be inserted. The assembly of these brackets with the fasteners is therefore expensive.
  • a rail is fixed to a formwork using clamps in order to cast the rail in a concrete component.
  • the bracket is attached to the formwork via nails which are intended to be pulled out of the bracket when the formwork is removed. If the nails remain in the clamp, the tips of the nails protrude from the concrete part and pose a risk of injury.
  • an anchor rail is provided with a large number of anchor webs and a strip-shaped receptacle for mounting fasteners such as hammer-head screws, the anchor rail being fixed via at least one retaining clip, via which the anchor rail can be fixed to a formwork component.
  • the retaining bracket allows for secure positioning and alignment of the anchor rail on the formwork component and an indirect form-fitting attachment of the anchor rail, since the anchor rail can be fixed to the formwork component via the at least one retaining bracket. Fixing the retaining brackets makes it easier to install the anchor rail before pouring concrete.
  • the at least one retaining clip overlaps the anchor rail perpendicularly to its longitudinal direction.
  • At least one flange protruding laterally from the anchor rail is formed on the holding bracket, preferably one flange is provided on opposite sides.
  • Each flange is connected to a middle section of the retaining clip via a predetermined breaking point.
  • the indentation in the concrete body caused by the removal of the flange is negligible with regard to the holding forces of the anchor rail and the visual impairment.
  • the flange can, for example, have a thickness of less than 5 mm, preferably between 1 mm and 4 mm, so that it can be penetrated easily and the im concrete recess left by removing the flange is small.
  • the size of each flange can be, for example, between 1 cm 2 and 4 cm 2 and is therefore easy to hit during assembly.
  • the retaining brackets For easy installation of the retaining brackets, they can be attached to the anchor rail.
  • the retaining brackets can be fixed to the anchor rail by clamping or latching.
  • a positioning aid for example a web or a projection, can be provided on an inner side of the retaining clip, which engages in a receptacle or recess on the anchor rail in order to prevent the anchor rail from shifting in the longitudinal direction.
  • Each anchor rail is preferably fixed to a formwork component via a plurality of retaining brackets.
  • the bracket is preferably made of plastic, but can also be made of other materials.
  • the anchoring element is preferably assembled before casting to form a unit, in which the anchor rail is fixed to a panel-shaped formwork component via at least one retaining clip.
  • the at least one retaining clip is fixed to a protruding flange of the formwork component via at least one fixing element, preferably via a nail in each case.
  • Such a unit can also be manufactured in any length, whereby a retaining clip is used to align two adjacent anchor rails, which clamps over both anchor rails in the joint area. This allows the two anchor rails to be aligned using the retaining bracket.
  • an anchor rail is first positioned on a formwork component in order to then arrange at least one retaining bracket over the anchor rail.
  • the retaining clip is then fixed to the formwork component via at least one fixing element, in particular a nail, in order to then cast the anchor rail in concrete.
  • the formwork component with the at least one fixing element is then removed from the anchor rail.
  • the fixing element on the concrete structure can no longer pose a safety risk or lead to visual impairment due to rust.
  • at least one flange of the holding bracket is preferably removed with the fixing element, the flange being severed from a middle section of the holding bracket along a predetermined breaking point.
  • no fixing element gets in the way in the installation area of the channel of the anchor rail.
  • the fixing elements are designed as nails and are fired into the formwork component using a nail gun.
  • An anchoring element for casting in concrete comprises an anchor rail 1 and at least one retaining bracket 20, by means of which the anchor rail 1 can be fixed to a formwork component 10.
  • the anchor rail 1 comprises a multiplicity of anchor webs 2 which protrude from a bar-shaped rail part with a receptacle for mounting fastening means.
  • Each anchor bar 2 has a widened end section and is cast in concrete.
  • a shaped body 4 made of an elastic material is inserted in the seat of the rail part, which prevents concrete from penetrating into the seat.
  • the anchor rail 1 can be made from two rail parts which are fixed to one another via connecting webs 5 .
  • a channel-shaped receptacle for fastening means such as hammer-head screws, can be formed.
  • the anchor bar 1 can be designed as described in the document DE 10 2019 106 155 is revealed.
  • the at least one retaining clip 20 overlaps the anchor rail 1 in a direction perpendicular to the longitudinal direction.
  • Each retaining bracket 20 has a central bracket-shaped section 21 on which a flange 22 is formed on opposite sides.
  • the flange 22 can be connected to the formwork component 10 via a fixing element 11, such as a nail or a staple, in order to fix the anchor rail 1 indirectly to the formwork component 10 via the retaining bracket 20.
  • the anchor rail is shown in a mounted position on a formwork component 10.
  • two retaining brackets 20 are mounted on the formwork component 10 .
  • the retaining bracket 20 shown on the left is fixed to the formwork component 10 by means of fixing elements 11 in the form of nails, with the nails each being introduced into the flange 22 on the retaining bracket 20 .
  • the retaining bracket 20 on the right in Figure 2A is also fixed via a nail as a fixing element 11 on the formwork component 10, the fixing element 11 reaching through a bow-shaped middle section 21 of the holding bracket 20, so that only one nail is used instead of the two nails for the holding bracket 20 on the left side.
  • FIG. 3A to 3C shows the situation after the pouring of concrete, when the anchor rail 1 is cast with the anchor webs 2 in a structure made of concrete, which is not shown for the sake of simplicity.
  • the formwork component 10 can then be removed from the anchor rail 1, with the retaining bracket 20 on the left-hand side when the formwork component 10 is removed, the fixing elements 11 remaining on the formwork component 10 and a flange 22 via a predetermined breaking point 24 from a middle section 21 of the retaining bracket 20 is separated.
  • the fixing elements in the form of nails can be removed from the concrete structure.
  • the headband 20 is shown in detail.
  • the retaining clip 20 is made of plastic as a molded body, but it can also be made of a different material.
  • the retaining bracket 20 includes a central bracket-shaped section that overlaps the anchor rail 1 in the assembled position.
  • a web or projection 23 is formed on the inside of the bracket-shaped section and can be inserted into a groove or receptacle on the anchor rail 1 is to secure the anchor rail against displacement and to pre-fix the retaining bracket 20 by clamping or latching.
  • Flanges 22 which are essentially plate-shaped and are connected to the middle section 21 via a predetermined breaking point 24 , extend on both sides from the middle bracket-shaped section 21 .
  • the predetermined breaking point 24 can be produced by weakening the material, ie reducing the cross section of the material, for example by reducing the thickness or by a perforation, so that the flange 22 can be reliably separated from the middle section 21 .
  • a reinforcement strut 25 is formed on the central section 21 and reinforces in the area adjacent to the predetermined breaking point 24 .
  • a marking 26 or type designation can be provided on the retaining clip 20, which, for example, contains information about which anchor rail 1 was cast in the structure.
  • a profile can be formed on the upper side to prevent the fixing element from slipping, such as a corrugation, a grid or a hole pattern. Such a profiling can also be provided on the bow-shaped middle section 21 .
  • FIG 5 a unit consisting of a formwork component 10, for example a wood-based panel, and two anchor rails 1 is shown.
  • a first anchor rail 1 is already fixed to the formwork component 10 by two retaining brackets 20 , both retaining brackets 20 being held on the formwork component 10 by means of fixing elements 11 in the form of nails, which are introduced into the flanges 22 .
  • a retaining bracket 20 is arranged in the joint area and covers a front side of the first anchor rail 1. This allows a front side of the second anchor rail 1 to be pushed under the already fixed retaining bracket 20, as shown here is shown schematically by the arrow 30. This allows two anchor rails 1 to be aligned in a simple manner.
  • each holding bracket is provided with two flanges 22 which are each connected to a middle section 21 via a predetermined breaking point 24 . It is optionally possible to fix only one of the flanges 22 to a formwork component 10 via a fixing element in order to fix an anchor rail 1 to the formwork component 10 .
  • the retaining clip 20 can also be made of other materials, such as metal, cardboard, paper or a plastic film or a non-woven fabric.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (14)

  1. Élément d'ancrage à enrober dans du béton, avec un rail d'ancrage (1) muni de plusieurs nervures d'ancrage (2) et un logement en forme de bandeau pour le montage de moyens de fixation, dans lequel au moins un étrier de maintien (20) est fixé au rail d'ancrage (1) et passe par-dessus le rail d'ancrage (1) perpendiculairement à sa longueur et par lequel le rail d'ancrage (1) peut être fixé à un élément de coffrage (10), au moins une bride (22) qui dépasse latéralement du rail d'ancrage (1) étant formée sur l'étrier de maintien (20), caractérisé en ce que l'au moins une bride (22) est reliée par un point sécable (24) à une partie médiane (21) de l'étrier de maintien (20).
  2. Élément d'ancrage selon la revendication 1, caractérisé en ce que le point sécable (24) est formé par un affaiblissement du matériau, autrement dit une réduction de sa section.
  3. Élément d'ancrage selon la revendication 1 ou 2, caractérisé en ce qu'une bride (22) qui dépasse du rail d'ancrage (1) est formée sur des côtés opposés de l'étrier de maintien (20).
  4. Élément d'ancrage selon l'une des revendications précédentes, caractérisé en ce que chaque bride (22) est profilée sur une face supérieure de façon à empêcher l'élément de fixation de glisser.
  5. Élément d'ancrage selon l'une des revendications précédentes, caractérisé en ce qu'au moins un étrier de maintien (20) est fixé de façon serrée ou enclenchée sur le rail d'ancrage (1).
  6. Élément d'ancrage selon l'une des revendications précédentes, caractérisé en ce que plusieurs étriers de maintien (20) sont fixés sur le rail d'ancrage (1).
  7. Élément d'ancrage selon l'une des revendications précédentes, caractérisé en ce que l'au moins un étrier de maintien (20) est fabriqué en matière plastique.
  8. Élément d'ancrage selon l'une des revendications précédentes, caractérisé en ce que chaque bride (22) a une épaisseur inférieure à 5 mm, de préférence comprise entre 1 mm et 4 mm.
  9. Unité composée d'un élément d'ancrage selon l'une des revendications précédentes et d'un élément de coffrage (10) en forme de panneau, sur lequel le rail d'ancrage (1) est fixé à l'aide d'au moins un étrier de maintien (20).
  10. Unité selon la revendication 9, caractérisé en ce que l'au moins un étrier de maintien (20) est fixé à l'élément de coffrage par au moins un clou (11).
  11. Unité selon la revendication 9 ou 10, caractérisé en ce que deux rails d'ancrage (1) sont enjambés par un étrier de maintien (20) et fixés sur l'élément de coffrage (10) dans une zone où ils sont bout à bout.
  12. Procédé pour le montage d'un rail d'ancrage (1) dans un ouvrage en béton, comprenant les étapes suivantes :
    - positionnement d'un rail d'ancrage (1) sur un élément de coffrage (10) ;
    - disposition d'au moins un étrier de maintien (20) sur le rail d'ancrage (1) ;
    - fixation de l'étrier de maintien (20) avec le rail d'ancrage (1) sur l'élément de coffrage (10) à l'aide d'au moins un élément de fixation ;
    - enrobage du rail d'ancrage (1) dans du béton et
    - retrait de l'élément de coffrage (10) du rail d'ancrage (1) avec l'au moins un élément de fixation (11),
    caractérisé en ce qu'au moins une bride (22) de l'étrier de maintien (20) est enlevée avec l'élément de fixation (11) lors du retrait.
  13. Procédé selon la revendication 12, caractérisé en ce que les éléments de fixation (11) sont conformés comme des clous et sont enfoncés dans l'élément de coffrage (10) à l'aide d'un pistolet à clous.
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce que la bride (22) est enlevée en un point sécable (24) obtenu par un affaiblissement du matériau, autrement dit une réduction de la section du matériau.
EP20761189.8A 2019-09-10 2020-08-20 Élément d'ancrage et procédé de montage d'un rail d'ancrage dans un élément de construction en béton Active EP3990715B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20230322TT HRP20230322T1 (hr) 2019-09-10 2020-08-20 Sidreni element i postupak ugradnje sidrene tračnice u građevni element načinjen od betona

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019124308.4A DE102019124308A1 (de) 2019-09-10 2019-09-10 Verankerungselement und Verfahren zur Montage einer Ankerschiene in einem Baukörper aus Beton
PCT/EP2020/073370 WO2021047876A1 (fr) 2019-09-10 2020-08-20 Élément d'ancrage et procédé de montage d'un rail d'ancrage dans un élément de construction en béton

Publications (2)

Publication Number Publication Date
EP3990715A1 EP3990715A1 (fr) 2022-05-04
EP3990715B1 true EP3990715B1 (fr) 2023-01-11

Family

ID=72234830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20761189.8A Active EP3990715B1 (fr) 2019-09-10 2020-08-20 Élément d'ancrage et procédé de montage d'un rail d'ancrage dans un élément de construction en béton

Country Status (16)

Country Link
US (1) US20220268013A1 (fr)
EP (1) EP3990715B1 (fr)
JP (1) JP2022546795A (fr)
KR (1) KR20220054336A (fr)
AU (1) AU2020344087A1 (fr)
CA (1) CA3145771A1 (fr)
DE (1) DE102019124308A1 (fr)
DK (1) DK3990715T3 (fr)
ES (1) ES2941884T3 (fr)
FI (1) FI3990715T3 (fr)
HR (1) HRP20230322T1 (fr)
HU (1) HUE061573T2 (fr)
IL (1) IL291133A (fr)
LT (1) LT3990715T (fr)
PL (1) PL3990715T3 (fr)
WO (1) WO2021047876A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020120750A1 (de) 2020-08-06 2022-02-10 Wilhelm Modersohn Gmbh & Co Kg Ankerschiene und Verfahren zur Herstellung einer Ankerschiene
DE102020126901A1 (de) 2020-10-13 2022-04-14 Wilhelm Modersohn Gmbh & Co Kg Ankerschiene

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE513240C (de) * 1927-03-29 1930-11-24 Claus Meyn Geschlitzte Ankerschiene fuer Eisenbetonbauten
US4073114A (en) * 1977-04-01 1978-02-14 Unistrut Corporation Insert assembly for use in pre-stressed concrete structures
US4878782A (en) * 1987-12-11 1989-11-07 Beattie Thomas B Drain channel alignment and installation apparatus
GB9009374D0 (en) * 1990-04-26 1990-06-20 Wincro Metal Ind Ltd Fixing of cast-in channels for facade support and restraint apparatus
DE19531552C2 (de) * 1995-08-28 2001-03-01 Betomax Kunststoff Metall Bewehrungsanschluß
DE10243000A1 (de) * 2002-06-26 2004-01-15 Georg Weidner Fixiervorrichtung und Verfahren zur Herstellung einer Fixiervorrichtung
US20050217197A1 (en) * 2003-11-13 2005-10-06 Peacock Bobbie D Frangible concrete insert clip
DE102008029838A1 (de) 2008-06-25 2009-12-31 Wilhelm Modersohn Gmbh & Co Kg Ankerschiene
US8966833B2 (en) * 2012-09-12 2015-03-03 Mohamed R. Ally Concrete insert
US8955285B2 (en) * 2012-12-07 2015-02-17 Illinois Tool Works Inc. Embedment attachment system

Also Published As

Publication number Publication date
IL291133A (en) 2022-05-01
EP3990715A1 (fr) 2022-05-04
LT3990715T (lt) 2023-04-25
HRP20230322T1 (hr) 2023-05-12
FI3990715T3 (fi) 2023-04-21
KR20220054336A (ko) 2022-05-02
DK3990715T3 (da) 2023-04-17
WO2021047876A1 (fr) 2021-03-18
JP2022546795A (ja) 2022-11-09
AU2020344087A1 (en) 2022-02-03
DE102019124308A1 (de) 2021-03-11
ES2941884T3 (es) 2023-05-26
CA3145771A1 (fr) 2021-03-18
US20220268013A1 (en) 2022-08-25
HUE061573T2 (hu) 2023-07-28
PL3990715T3 (pl) 2023-06-05

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