EP3611310B1 - Brüstungsanker - Google Patents

Brüstungsanker Download PDF

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Publication number
EP3611310B1
EP3611310B1 EP19191177.5A EP19191177A EP3611310B1 EP 3611310 B1 EP3611310 B1 EP 3611310B1 EP 19191177 A EP19191177 A EP 19191177A EP 3611310 B1 EP3611310 B1 EP 3611310B1
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EP
European Patent Office
Prior art keywords
anchor bolt
strut
force
parapet
force strut
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
EP19191177.5A
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German (de)
English (en)
French (fr)
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EP3611310A1 (de
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.)
H Bau Technik GmbH
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H Bau Technik GmbH
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Publication date
Application filed by H Bau Technik GmbH filed Critical H Bau Technik GmbH
Priority to PL19191177T priority Critical patent/PL3611310T3/pl
Publication of EP3611310A1 publication Critical patent/EP3611310A1/de
Application granted granted Critical
Publication of EP3611310B1 publication Critical patent/EP3611310B1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18—Balustrades; Handrails
    • E04F11/181—Balustrades
    • E04F11/1812—Details of anchoring to the wall or floor
    • 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
    • E04B1/003—Balconies; Decks
    • 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

Definitions

  • the present invention relates to a parapet anchor for fastening parapet or concrete elements.
  • the invention also relates to a building with a parapet.
  • Parapet anchors are used to attach reinforced concrete ceilings, balconies or wide girders to precast concrete, parapet or parapet panels.
  • the parapet anchors are concreted into the precast concrete parapets so that they can be transported to the construction site as a prefabricated component.
  • some parapet anchors can also be installed on site, for example on a facade.
  • two anchors are usually used per precast element.
  • Known parapet anchors often have a profile rail that is connected to a support element which is cast into the prefabricated component or mounted on it. It is important here that the profile rail, the support element and the connection between the profile rail and the support element are designed to be particularly stable in order not to bend even under a high load. It must be taken into account that the load exerts a tensile force and a compressive force on the parapet anchor, the distribution of which can vary, for example due to an incalculable additional wind load.
  • the DE 298 12 886 U1 describes a balcony and parapet anchor for mounting a balcony slab on a reinforced concrete ceiling, consisting of two V4A steel plates, which are connected to each other with four hexagon bolts and hexagon nuts.
  • the spacing of the V4A steel plates can be precisely determined using lock nuts.
  • Tensile and compressive forces are introduced into the balcony slab and the reinforced concrete slab using the anchoring plates that are mounted on the V4A steel plates. Accordingly, the entire load force is transmitted into the load-bearing component without differentiating between tensile and compressive forces. Accordingly, all elements of the balcony and parapet anchor must be designed in such a way that they can bear the entire load, composed of tensile and compressive forces. This severely limits the design optimizability.
  • the DE 39 10 286 A1 describes a device for anchoring components to a load-bearing anchoring base, with an anchoring element that can be fastened on or in the anchoring base and with a connecting part protruding therefrom towards the side facing away from the anchoring base in the installation position.
  • the connecting part can be connected to the component to be anchored or can be embedded in the latter.
  • Between the anchoring element that can be fastened on or in the anchoring base and that of the latter protruding connection part is arranged in a direction transverse to the load bearing displacement between the anchoring element and the connection part, but rigid in the load direction.
  • the device serves in particular to compensate for the dilation movements of the parapet element that occur under the influence of temperature via a specially designed bearing.
  • the DE 199 08 388 A1 discloses a component for thermal insulation between a building and a cantilevered outer part, in particular a steel component, consisting of an insulating body to be laid between them with integrated reinforcing bars in the form of tension and compression bars and at least one transverse force bar, with at least some of the reinforcing bars on the side facing away from the building Insulating body carry a fastening device for mounting the protruding outer part and wherein a connecting element is provided for connecting the protruding outer part to the fastening device.
  • the object of the present invention is to provide a parapet anchor that is optimized in terms of load distribution and a building with parapet equipped therewith.
  • a parapet anchor according to the invention enables optimized load transfer by efficiently dissipating vertical and horizontal forces occurring in parapets.
  • a parapet anchor according to the invention comprises a vertically oriented first anchoring bolt and a horizontally oriented second anchoring bolt which is spaced apart from the first anchoring bolt.
  • the anchoring bolts are concreted into the facade to be built later (i.e. concrete slab) or another parapet component.
  • a special feature of the parapet anchor according to the invention is that a load, differentiated according to tensile force and compressive force, can be diverted to both anchoring bolts in a ceiling plate. Due to the alignment of the anchoring bolts within the parapet plate, the pair of forces is differentiated in that a vertical force acting from top to bottom is introduced as a compressive force in the horizontally aligned second anchoring bolt, while the resulting tensile force is introduced into the vertically aligned first anchoring bolt. This is achieved by means of appropriate tension, compression and transverse force struts, which introduce the vertical force into an on-site ceiling panel (e.g. reinforced concrete panel).
  • an on-site ceiling panel e.g. reinforced concrete panel
  • the parapet anchor comprises at least one tensile force strut connected non-positively to the first anchoring bolt and running transversely to this, and at least one compressive force strut connected non-positively to the second anchoring bolt and running transversely to this.
  • the tensile force strut serves to pass on and transfer the tensile force introduced onto the first anchoring bolt and the compressive force strut serves to pass on and transmit the compressive force introduced onto the second anchoring bolt. It goes without saying that under certain circumstances an inverted introduction and transmission of force is also possible, i.e. that the first anchoring bolt absorbs compressive forces and accordingly transmits the compressive force via the tensile force strut and the second anchoring bolt absorbs tensile forces and passes them on via the compressive force strut.
  • the parapet anchor according to the invention comprises at least one transverse force strut with a first section which is arranged in the plane of the tensile force strut and a second section which is angled towards the second anchoring bolt and connected to it in a force-locking manner.
  • the transverse force strut connects the level that is used to transfer the compressive forces with the level that is used to transfer the tensile forces.
  • the transverse force strut is subject to tensile stress.
  • the compressive force struts, the tensile force struts and the transverse force struts are set in concrete, for example, in a concrete ceiling and are intended to replace the classic steel girder.
  • the two anchoring bolts ensure optimized load transfer, even in a very thin concrete slab.
  • a moment load can also be efficiently removed.
  • a force couple consisting of a tensile force and a compressive force.
  • the pressure force from the parapet is introduced into the lower anchoring bolt and the tensile force is introduced into the upper anchoring bolt.
  • the compressive force in the lower anchoring bolts is then introduced as a compressive force into an on-site ceiling panel by the compressive force strut.
  • the tensile force in the upper anchoring bolt is then introduced as tensile force into the on-site ceiling panel by the tensile force strut.
  • the moment load can also act unplanned in the other direction, in which case the tensile force would then convert to the compressive force or vice versa as described above.
  • the two anchoring bolts are preferably aligned orthogonally to one another.
  • the second anchoring bolt is arranged in a plane below the first anchoring bolt.
  • the first anchoring bolt and / or the second anchoring bolt are designed as round bolts.
  • the tensile strut consists of two approximately parallel reinforcing rods which are brought together at one end in a U-profile for receiving the first anchoring bolt and connected to it in a force-locking manner.
  • the U-profile is adapted to the scope of the anchoring bolt. It has been shown that this connection between the first anchoring bolt and the parallel reinforcing bars of the tensile force strut leads to a uniform distribution of the force acting on the anchoring bolt on the parallel reinforcing bars. As a result, the load-bearing capacity of the parapet anchor can be increased overall.
  • the compression strut consists of two approximately parallel reinforcing bars which are non-positively connected at one end to the second anchoring bolt. This divides the compressive force over two reinforcing bars, which increases the efficiency of the load transfer and reduces the load on the individual reinforcing bar.
  • the reinforcing bars of the first section of the transverse force strut are arranged between the two reinforcing bars of the first tensile force strut.
  • the transverse force strut consists of two approximately parallel reinforcing bars, which in their second section have a profile adapted to the geometry of the anchoring bolt, preferably a U-shaped profile, to accommodate the second anchoring bolt are brought together and positively connected to this.
  • the transverse force struts do not run parallel to one another in their transversely guided angled section, but are brought together to the upper section, which shifts the transition to the horizontal section of the transverse force struts in the direction of the ceiling plate.
  • the transverse force strut comprises the lower, second anchoring bolt in a leg region of the second section, is angled vertically upwards to the first anchoring bolt and ends with a free end.
  • the first and second anchoring bolts are arranged offset to one another in the horizontal plane.
  • the transverse force strut of the parapet anchor according to the invention is subjected to tensile force when the parapet anchor is used.
  • the introduction and transmission of the tensile forces into the transverse force strut is particularly effective if they are in their second section at an angle ⁇ of preferably 20 ° to 60 °, preferably between 30 ° and 50 °, depending on the variant, preferably about 30 ° or 45 °, is angled to the level of the second anchorage bolt.
  • the tensile force, compressive force and / or transverse force struts are provided with a connecting element in order to facilitate transport.
  • the connecting element is preferably arranged in the horizontal region of the struts so that the struts can be extended as required during assembly.
  • the connecting element can, for example, be a thread or coupling piece which cooperates with the respective counterpart.
  • An advantage of the parapet anchor according to the invention can be seen in the fact that the tensile and compressive forces occurring in facade construction are absorbed and transmitted in an optimized manner.
  • the moments that occur can be derived independently of one another via the compressive force struts and tensile force struts.
  • the connection element is therefore not subjected to bending stress. This has an advantageous effect in the case of load transfer over large insulation joints.
  • Another advantage of the construction according to the invention is that the cross-section of the individual struts can be smaller, which results in a lower heat transfer compared to existing solutions, since a larger thermal bridge is avoided. As a result, for example, insulation can also be carried out in smaller dimensions than was previously the case.
  • the present invention also relates to a structure with a parapet comprising a parapet anchor according to the invention, the first anchoring bolt and the second anchoring bolt being concreted in a precast concrete slab, parapet slab or parapet slab.
  • the tensile force strut, the compressive force strut and the transverse force strut are preferably concreted in a ceiling slab (eg reinforced concrete slab).
  • the tensile force struts, the compressive force struts and the transverse force struts are preferably deformable in order to compensate for the temperature differences occurring in the summer or winter in the parapets. Parapet panels expand or contract due to temperature differences.
  • a precast concrete slab as part of a facade can be made larger overall than with conventional solutions. Due to the load introduction according to the invention in the area of the first and second anchoring bolts, there is less longitudinal deformation and smaller cross-sections of the struts are also possible. In this way, for example, the load transfer of the connection element can be optimized in a thin concrete slab of a parapet (e.g. with a slab thickness of 80 mm or more).
  • Fig. 1 shows a side view of a parapet anchor according to the invention.
  • the two anchoring bolts 1 and 2 which are arranged orthogonally one above the other, can initially be seen in which are round bolts in the variant shown.
  • the first anchoring bolt 1 is vertical
  • the second anchoring bolt 2 is aligned horizontally in the two planes.
  • a tensile force strut 3 runs across the first anchoring bolt 1 along the upper plane.
  • the tensile force strut 3 consists of two parallel reinforcing rods.
  • the reinforcing bars of the tensile strut 3 end in a U-profile 6 which encloses the first anchoring bolt 1 and is connected to it in a force-locking manner.
  • the connection is preferably a welded connection.
  • Two reinforcing bars of a compression strut 4 which are arranged essentially parallel to one another, run along the lower level transversely to the second anchoring bolt 2.
  • the distance between the two reinforcement bars of the compression strut 4 is preferably greater than the distance between the two reinforcement bars of the tensile force strut 3 in the embodiment variant shown.
  • the second anchoring bolt 2 is positively connected to a transverse force strut 5 which rises upward in a second section 5.2 and which runs parallel in a first section 5.1 between the reinforcement bars of the tensile force strut 3 running in the upper plane.
  • the transverse force strut 5 consists of two approximately parallel reinforcing bars which are brought together in their second section 5.2 in a U-profile 7 on the anchoring bolt 2.
  • the U-profile 7 encloses a section of the second anchoring bolt 2 and is connected to it in a force-locking manner, for example via a welded connection.
  • the reinforcing bars of the transverse force strut 5 run in the first section 5.1 first in the first plane until they are finally angled downwards in the area of a cross bridge 8.1 at an angle to the plane of the second anchoring bolt 2 in the second section 5.2. Via a second transverse transverse bridge 8.2 which is offset in the longitudinal direction from the first transverse bridge 8.1. Both reinforcing bars of the transverse force strut 5 are then non-positively connected to the reinforcing bars of the first tensile force strut 3.
  • the Figures 2 to 5 show different views of the parapet anchor according to the invention.
  • insulation 9 is in the Figures 2 to 5 to recognize.
  • the insulation 9 essentially serves to avoid a cold bridge between two anchoring elements, on the other hand it also helps to dampen acoustic transmissions between the two elements.
  • the reinforcing bars of the tensile force strut 3 and the reinforcing bars of the transverse force strut 5 in the first section 5.1 run through a through opening within the insulation 9.
  • two parallel through-holes are provided on the underside of the insulation 9 through which the reinforcing bars of the compressive force strut 4 are led.
  • Fig. 6 shows a schematic side view of the parapet anchor according to the invention.
  • the angle ⁇ is drawn in and the positioning of the compressive force strut 4 within the insulation 9 can be seen.
  • the angle ⁇ corresponds to the angle at which the transverse force strut 5 is angled in the second section 5.2 to the plane of the second anchoring bolt 2.
  • the angle ⁇ preferably measures a value between 30 ° and 60 °, preferably approximately 45 °.
  • the transverse force struts 5 in the lower section 5.2 in the area of the lower anchoring bolt 2 do not run parallel to one another, but rather together at the top so that the horizontal development is shifted in the direction of the ceiling plate 11.
  • Fig. 7 shows a schematic side view of a section of a structure with a parapet anchor according to the invention.
  • the section of the structure shows a precast concrete slab, parapet slab or parapet slab 10, which is connected to a reinforced concrete slab 11 (eg ceiling slab) via the insulation 9.
  • a reinforced concrete slab 11 eg ceiling slab
  • the first and second anchoring bolts 1, 2 and a section of the tensile force strut 3 and compressive force strut 4 and a section of the transverse force strut 5 are concreted in.
  • the reinforcement bars of the transverse force strut 5, the tensile force strut 3 and the compressive force strut 4 run through the insulation 9 and are connected to the reinforced concrete slab 11 in a force-conducting manner.
  • the transverse force struts 5 do not run parallel in the lower section 5.2 in order to offset the transition into the horizontal plane in the direction of the ceiling plate 11.
  • the vertical force acting from top to bottom is introduced from the parapet into the lower, second anchoring bolt 2. This creates a tensile force in the transverse force struts 5 and a compressive force in the compressive force struts 4.
  • the vertical force is introduced into the on-site ceiling panel 11 via the compressive force struts 4 and the transverse force struts 5.
  • a moment load arises from horizontal loads which act perpendicularly on the parapet surface (ie parapet plate 10), for example wind loads.
  • This moment load is determined by a force couple, consisting of tensile and compressive force, worn away.
  • the pressure force from the parapet is introduced into the lower, second anchoring bolt 2 and the tensile force is introduced into the upper, first anchoring bolt 1.
  • the compressive force in the lower second anchoring bolt 2 is then introduced as a compressive force into the on-site ceiling panel 10 by the compressive force struts 4.
  • the tensile force in the first anchoring bolt 1 is then introduced as tensile force into the on-site ceiling panel 10 by the tensile force struts 3.
  • the moment stress can also have an unplanned effect in the other direction. Then the tensile force becomes the compressive force or vice versa.
  • the tensile struts 3 are thus systematically subjected to train and the compressive force struts 4 are systematically subjected to pressure.
  • the transverse force struts 5 are always subject to train.
  • Fig. 8 shows an alternative embodiment of a parapet anchor according to the invention.
  • the first anchoring bolt 1 is arranged above the lower, second anchoring bolt 2.
  • the tensile force struts 3 consist of two parallel rods which, at their facade-side end, encompass the upper, first anchoring bolt 1 in a non-positive manner in a U-shape.
  • the compressive force struts 4 consist of two roughly parallel rods which are connected to the lower, second anchoring bolt 2 in a force-locking manner.
  • the transverse force struts 5 comprise a first section 5.1 and a second downwardly angled section 5.2, which is connected to the lower, second anchoring bolt 2 in a force-locking manner in a leg area 7.1. What is special are the free ends 5.3 of the transverse force struts 5, which are angled vertically upwards and then end. Possibly.
  • the first anchoring bolt 1 and the second anchoring bolt 2 can be offset from one another at a distance.
  • the tensile force struts 3, the compressive force struts 4 and / or the transverse force struts 5 can be equipped with a connecting element (e.g. thread or connection element) in the section extending horizontally to the ceiling plate 11.
  • a connecting element e.g. thread or connection element
  • the individual extension struts are mounted on the construction site on the corresponding tensile force struts 3, the compressive force struts 4 and / or the transverse force struts 5.
  • the anchoring bolts 1 and 2 can be cuboid in their cross-section, at least in sections, or have other geometric shapes.
  • the tensile and compressive force struts shown can also be rods or anchors, for example.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP19191177.5A 2018-08-15 2019-08-12 Brüstungsanker Active EP3611310B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL19191177T PL3611310T3 (pl) 2018-08-15 2019-08-12 Wspornik balustradowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018104681.0U DE202018104681U1 (de) 2018-08-15 2018-08-15 Brüstungsanker

Publications (2)

Publication Number Publication Date
EP3611310A1 EP3611310A1 (de) 2020-02-19
EP3611310B1 true EP3611310B1 (de) 2020-12-16

Family

ID=63895908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19191177.5A Active EP3611310B1 (de) 2018-08-15 2019-08-12 Brüstungsanker

Country Status (3)

Country Link
EP (1) EP3611310B1 (pl)
DE (1) DE202018104681U1 (pl)
PL (1) PL3611310T3 (pl)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3910286A1 (de) 1989-03-30 1990-10-04 Lutz Fa Karl Vorrichtung zum verankern von bauelementen an einem tragenden verankerungsgrund
DE19804038A1 (de) * 1998-02-03 1999-08-05 Schoeck Bauteile Gmbh Bauelement zur Wärmedämmung
DE29812886U1 (de) 1998-07-20 1998-11-12 Frisch, Hans, 89343 Jettingen-Scheppach Balkon- und Brüstungsanker
DE19908388B4 (de) * 1999-02-26 2008-10-30 Schöck Bauteile GmbH Bauelement zur Wärmedämmung
DE102011122589A1 (de) * 2011-12-30 2013-07-04 Schöck Bauteile GmbH Bauelement zur Wärmedämmung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE202018104681U1 (de) 2018-10-01
EP3611310A1 (de) 2020-02-19
PL3611310T3 (pl) 2021-05-31

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