EP2754766B1 - Device for connecting a first supporting building part with a second supported building part in a manner that transfers force - Google Patents

Device for connecting a first supporting building part with a second supported building part in a manner that transfers force Download PDF

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Publication number
EP2754766B1
EP2754766B1 EP14151127.9A EP14151127A EP2754766B1 EP 2754766 B1 EP2754766 B1 EP 2754766B1 EP 14151127 A EP14151127 A EP 14151127A EP 2754766 B1 EP2754766 B1 EP 2754766B1
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EP
European Patent Office
Prior art keywords
sleeve
building part
support element
force
supported
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EP14151127.9A
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German (de)
French (fr)
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EP2754766A1 (en
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Schoeck Bauteile GmbH
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Schoeck Bauteile GmbH
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Priority to PL14151127T priority Critical patent/PL2754766T3/en
Publication of EP2754766A1 publication Critical patent/EP2754766A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
    • E04B1/483—Shear dowels to be embedded in concrete
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8254—Soundproof supporting of building elements, e.g. stairs, floor slabs or beams, on a structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
    • E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
    • E04F2011/021—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
    • E04F2011/0212—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete

Definitions

  • the invention relates to a device for force-transmitting connecting a first supporting part of the building, in particular a building wall, with a second supported part of the building, in particular a staircase part, at least comprising in the installed state between the first part of the building and the second part of the building in the horizontal direction by a between the first and the second part of the building left gap extending support member and a reinforcing element for anchoring the support member in the second supported building part, wherein the reinforcing element extends in the installed state, starting from the force-introducing side of the support member on both sides of the support member in an area on the force side facing the support member, said the reinforcing element in the installed state arranged on the force-introducing side of the support member spaced from the joint facing the front edge of the second supported building part is.
  • connection devices are used in particular wherever forces have to be transmitted between two level-identical building parts, and in particular transverse forces and bending moments acting on the support element.
  • mandrel systems perform such tasks especially when the distance between the parts of the building to be connected is not very large and thus the lever arm of the bending moment acting on the support element is not very large.
  • this Dorn systems are used, which have the advantage of being able to transfer high lateral forces due to their solid material and also be independent in terms of their installation orientation, as well as a twisted about the longitudinal axis of the support member installation of the mandrel has no effect on the size of the power transmission surface ,
  • the carrier element In the case of a connection of a staircase part to a building wall, the carrier element must transmit the weight of the staircase part to the building wall, which leads to particularly high loads in the region of the front edge of the supported building part.
  • the reinforcing element is provided extending from the force-introducing side on the opposite side facing away from the force of the support member and thus ensures a better anchoring of the support element in the second carried part of the building.
  • the reinforcing element is wrapped around the force-introducing side of the support member, extending on both sides of the support member in an area on the force side facing the support member and extends from there further into the second part of the building.
  • the reinforcing element acts on the region of the front edge of the second supported building part above the carrier element, since there - as stated above - the forces exerted by the carrier element on the second building part are very large.
  • placing metal reinforcing elements close to the edge means that, for reasons of corrosion protection, they must be made of stainless steel if they fall below the required concrete cover. This makes the entire connecting device more expensive than conventional variants in which the reinforcing element consists of reinforcing steel.
  • the present invention has the object to provide a device for force-transmitting connection of the type mentioned above, which is characterized by lower production costs on the one hand and better performance on the other.
  • the spacing of the reinforcing element from the front edge of the second building part means that as a material for the reinforcing element instead of stainless steel now steel or reinforcing steel can be used, which is indeed more susceptible to corrosion, but because of caused by the buffer element distance from the joint and thus sufficient compliance with the required minimum concrete cover. This avoids the use of the very expensive stainless steel making the system unattractive.
  • a buffer element is arranged between the front edge of the second building part and the reinforcement element on the force-introducing side of the support element. Accordingly, this distance range should not just be filled with the material of the second supported building part, which can quickly lead to spalling of the concrete material due to the high loads on the leading edge, which in turn destroys or reduces the required minimum concrete coverage and thus the corrosion protection for the reinforcing element picks.
  • a buffer element is arranged which has the task not to pass on the forces acting on the force-introducing side of the support element on the front edge of the supported building part 1: 1 Overlying material of the second part of the building, but in a reduced, ie buffered extent. This gives you a slowly rising, progressive stiffness by the support element is comparatively soft and at the beginning, so at the front edge of the second building part can yield slightly in the direction of the buffer element and then along its length in the second supported building part in the course of the bond length is getting stiffer.
  • spacers differ, however, on the one hand in terms of the function of the buffer element according to the invention, since the spacer brackets have the task to participate on the one hand on the power transmission between the support member and part of the building and on the other hand pretend as centering the mutual relative position of the support element and reinforcing bars; On the other hand, also makes the material of the spacer bracket clear that they have nothing in common with the buffer element according to the invention: To increase the power transmission, the centering even have a larger cross-section than the reinforcing bars and consist - as is required for this near-joint edge region for corrosion protection reasons - made of stainless steel , In contrast, the buffer element according to the invention is intended to pass the forces acting not directly, but only buffered to the material of the building part.
  • FR 2 818 675 A1 discloses the features of the preamble of claim 1.
  • the device also has a sleeve associated with the second supported building part, that the sleeve receives the support element and is intended to extending horizontally into the second supported building part starting from the joint facing the front edge of the second supported building part.
  • the support element is arranged in particular with the interposition of a sleeve in the second part of the building, if this second part of the building consists of a finished part, that is pre-produced in particular in a precast plant and on the site mounted and must be stored on the first supporting part of the building.
  • the carrier element As far as the carrier element, the force-introducing side of the carrier element and the like is referred to above, it is within the scope of the invention that the protection of the present invention also extends to those types in which the carrier element with the interposition of the sleeve in the second building part is arranged.
  • the reinforcing element and the buffer element on the one hand act directly on the carrier element, but on the other hand also the sleeve which surrounds the carrier element.
  • the support member is slidably disposed in the longitudinal direction in the sleeve, which is particularly necessary during assembly, but also has the effect that the support member can follow relative movements between the two parts of the building in the longitudinal direction of the support element force ,
  • the buffer element consists of a material with reduced stiffness relative to concrete and / or steel, in particular of a plastic, rubber, foam or elastomer material. This ensures that the buffer element can take over the desired functions that a concrete present at this point, that is, in particular a material of the second carried Building part, or provided at this point rebar (such as in the prior art of FR-A 2 804 703 ) just could not take over.
  • the distance (a) of the reinforcing element from the leading edge of the second building part and / or the sleeve be at least 10 mm.
  • the buffer element has a length measured in the longitudinal direction of the carrier element of at least 10 mm and / or has a height (b) measured orthogonal to the longitudinal direction of the carrier element of at least 0.5 mm and / or orthogonal to the longitudinal direction of the sleeve measured width (c), which corresponds substantially to the width of the carrier element and / or the sleeve in the region of the connection position of the buffer element.
  • the buffer element should be made thinner than the diameter of the reinforcing bar so that the reinforcing bar on the side lying adjacent to the buffer element still forms sufficient positive engagement with the surrounding concrete material.
  • the buffer element in order to fulfill the function of the buffer element, it is usually sufficient for the buffer element to have a height of 0.5 mm.
  • the reinforcing element is at least indirectly frictionally, frictionally and / or positively fixed to the support element and / or on the sleeve. This is intended to ensure that the reinforcing element can activate the areas of the second supported building part that are acted upon by it and thus can transmit the corresponding forces from the carrier element and / or the sleeve.
  • the buffer element on the carrier element and / or the sleeve is at least indirectly fixed force, friction and / or positive fit, in particular by a latching, Klips- or adhesive bond.
  • the reinforcing element can either act directly on the carrier element and / or the sleeve and thus extend in particular along the upper edge of the carrier element and / or the sleeve; but it is also possible that the reinforcing element is arranged with the interposition of a Druckumlenkelements on the support element and / or on the sleeve, which may consist of metal. Since the connection position of the reinforcing element in the longitudinal direction of the support element is behind the buffer element, and the Druckumlenkelement has the required minimum concrete coverage, therefore, must not have their own corrosion protection and can therefore cost of a black steel, in particular in an execution as a forged part.
  • this pressure deflecting element makes it possible to provide optimum contact between the reinforcing element and the carrier element / sleeve. Since the reinforcing element in the region of support element / sleeve must be partially angled and / or bent loop-shaped, it may not always be adapted in shape to any form of support element / sleeve. Against this background, it makes sense to provide the pressure deflection element so that it can be adapted on its outer side to the shape and the course of the reinforcing element and adapted on its inner side to the outer shape of the carrier element or the sleeve.
  • This pressure deflection element must be sufficiently pressure-stable in order to transmit the forces directly between the carrier element, if appropriate via the sleeve wall, to the pressure deflection element and from there into the reinforcing element.
  • the reinforcing element is - as it is already known in the art - bow-shaped with a central loop portion which acts on the force-introducing side of the support member and / or the sleeve, and with two leg portions which in the installed state each side of the Carrier element and / or the sleeve extend into an area on the force side facing away from the support member and / or the sleeve and there continue to run away from the joint in the second supported building part.
  • the sleeve may expediently consist of plastic and, for anchoring to the second component, have projections which are surrounded by the material of the second supported part of the building and ensure mutual anchoring.
  • the sleeve may have at its front edge a circumferential collar, which may be used, for example, for fixing the sleeve to the component formwork of the second supported building part, so that when casting the material of the second building part, the sleeve remains in the correct position.
  • the shape and especially the cross section of the sleeve and also of the support element for the present invention is rather subordinate; For the reasons mentioned above, it is recommended, depending on the application and load case, above all, profiled beam or mandrel systems with a rectangular or round cross-section.
  • FIG. 1 a connecting device 1 according to the invention is indicated, which is arranged in a second supported building part 2 and serves to extend into a first supporting building part 3, which in FIG. 1 consists of a building wall, however, which is indicated only schematically by the reference numeral 3.
  • the staircase part according to FIG. 1 consists of a staircase a spiral staircase which is made of concrete and is superimposed on various structural measures, such as at the top of the staircase in the area 4.
  • One of these measures consists in the connecting device 1 according to the invention, in detail in the Figures 2 . 3 . 4 . 5a and 5b is shown.
  • FIGS. 2 and 3 show the connecting device 1 with the schematically indicated, surrounding building part 2, which is referred to above as a second supported building part.
  • the connecting device 1 consists in particular of a carrier element 5 which extends in the longitudinal direction x, starting from the first supporting building part 3 into the second building part 2.
  • FIG. 2 and 3 is the opposite of the second building part 2 projecting part 5.3 of the support element in solid lines and the second part of the building 2 extending part 5.2 of the support member 5 shown in dashed lines.
  • FIG. 2 shows under the opposite to the second building part 2 protruding part 5.3 of the support member 5, a power distribution plate 16 and a footfall sounding 17, which serves to be arranged in the first supporting part of the building 3 and to dampen (kick-sound) vibrations between the two parts of the building.
  • the carrier element 5 consists of a hollow profile with a rectangular cross-section and cooperates with a reinforcing element 6, which is formed like a loop and this extends with its loop capacity central portion 6a on the force introducing in the example shown top 5a of the support member 5 and the reinforcing element legs 6b, 6c on both sides side of the support member 5 in a region on the force side facing away from the support element, ie extends below the support member in the illustrated embodiment.
  • both reinforcing element legs are bent and run parallel to the longitudinal extent of the support element in the associated building part in order to achieve an improvement in the anchoring of the connecting device in the building part.
  • the reinforcing element 6 is arranged with its loop-shaped central portion 6a on the carrier element 5 or on its upper side 5a so that it has a distance a in the longitudinal direction x of the carrier element, which is at least 10 mm and thus corresponds to the prescribed minimum concrete cover to use as a material for the reinforcing element 6 instead of stainless steel reinforcing steel can.
  • the distance between the reinforcing element 6 and the front edge 2a of the building part is bridged by a buffer element 7 which is arranged on the upper side 5a of the carrier element 5, bridges the entire distance a and has a width c which corresponds to the width of the carrier element 5.
  • the buffer element - as in particular from the sectional views in the FIGS. 5a and 5b can be seen - significantly flatter than the diameter of the reinforcing element, which inter alia a positive anchoring of the reinforcing element 6 in the building part 2 is ensured.
  • the buffer element 7 is expediently made of a material which has a reduced stiffness relative to concrete. Suitable material for this example is elastomer.
  • the present invention offers the advantage of providing a connection device with improved performance characteristics, which still manages with reduced material costs due to the availability of reinforcing steel.
  • the buffer element in this case ensures a reduction of the rigidity at the front edge of the building part, which is very heavily loaded by the support element. This reduced stiffness prevents flaking in the area of the front edge of the corresponding building part and progressively increases the rigidity over the bond length of the support element.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum kraftübertragenden Verbinden eines ersten tragenden Gebäudeteils, insbesondere einer Gebäudewand, mit einem zweiten getragenen Gebäudeteil, insbesondere einem Treppenteil, zumindest umfassend ein sich im eingebauten Zustand zwischen dem ersten Gebäudeteil und dem zweiten Gebäudeteil in horizontaler Richtung durch eine zwischen dem ersten und dem zweiten Gebäudeteil belassene Fuge erstreckendes Trägerelement und ein Bewehrungselement zur Verankerung des Trägerelements im zweiten getragenen Gebäudeteil, wobei sich das Bewehrungselement im eingebauten Zustand ausgehend von der krafteinleitenden Seite des Trägerelements beidseits seitlich des Trägerelements in einen Bereich auf der kraftabgewandten Seite des Trägerelements erstreckt, wobei das Bewehrungselement im eingebauten Zustand auf der krafteinleitenden Seite des Trägerelements beabstandet von der der Fuge zugewandten Vorderkante des zweiten getragenen Gebäudeteils angeordnet ist.The invention relates to a device for force-transmitting connecting a first supporting part of the building, in particular a building wall, with a second supported part of the building, in particular a staircase part, at least comprising in the installed state between the first part of the building and the second part of the building in the horizontal direction by a between the first and the second part of the building left gap extending support member and a reinforcing element for anchoring the support member in the second supported building part, wherein the reinforcing element extends in the installed state, starting from the force-introducing side of the support member on both sides of the support member in an area on the force side facing the support member, said the reinforcing element in the installed state arranged on the force-introducing side of the support member spaced from the joint facing the front edge of the second supported building part is.

Derartige Verbindungsvorrichtungen werden insbesondere überall dort eingesetzt, wo zwischen zwei niveaugleichen Gebäudeteilen Kräfte übertragen werden müssen und zwar vor allem Querkräfte sowie auf das Trägerelement wirkende Biegemomente. Üblicherweise erfüllen Dornsysteme solche Aufgaben vor allem dann, wenn der Abstand zwischen den zu verbindenden Gebäudeteilen nicht sehr groß und damit der Hebelarm des auf das Trägerelement einwirkenden Biegemoments nicht sehr groß ist. Häufig werden hierfür Dornsysteme verwendet, die den Vorteil haben, aufgrund ihres Vollmaterials hohe Querkräfte übertragen zu können und dabei auch noch hinsichtlich ihrer Einbauorientierung unabhängig zu sein, da auch ein um die Längsachse des Trägerelements verdrehter Einbau des Dorns keine Auswirkung auf die Größe der Kraftübertragungsfläche hat.Such connection devices are used in particular wherever forces have to be transmitted between two level-identical building parts, and in particular transverse forces and bending moments acting on the support element. Usually mandrel systems perform such tasks especially when the distance between the parts of the building to be connected is not very large and thus the lever arm of the bending moment acting on the support element is not very large. Often this Dorn systems are used, which have the advantage of being able to transfer high lateral forces due to their solid material and also be independent in terms of their installation orientation, as well as a twisted about the longitudinal axis of the support member installation of the mandrel has no effect on the size of the power transmission surface ,

Alternativ zu den aus Vollmaterial bestehenden Dornen werden auch Hohlprofile oder Profilträgersysteme verwendet, die größere Biegemomente übertragen können, dabei aber bei der Übertragung von Querkräften den aus Vollmaterial bestehenden Dornsystem unterlegen sind.As an alternative to the thorns made of solid material and hollow sections or profile carrier systems are used, which transmit larger bending moments can, but are inferior in the transmission of shear forces made of solid material Dorn system.

Das Trägerelement muss im Falle einer Verbindung eines Treppenteils mit einer Gebäudewand die Gewichtskraft des Treppenteils auf die Gebäudewand übertragen, was im Bereich der Vorderkante des getragenen Gebäudeteils zu besonders hohen Belastungen führt. Um nicht nur das Material des zweiten Gebäudeteils auf der krafteinleitenden Seite des Trägerelements in die Lastaufnahme einzubeziehen, sondern auch weiteres das Trägerelement umgebendes Material des getragenen Gebäudeteils, ist das Bewehrungselement vorgesehen, das sich ausgehend von der krafteinleitenden Seite auf die gegenüberliegende kraftabgewandte Seite des Trägerelements erstreckt und so für eine bessere Verankerung des Trägerelements im zweiten getragenen Gebäudeteil sorgt. Hierzu ist das Bewehrungselement um die krafteinleitende Seite des Trägerelements geschlungen, erstreckt sich beidseits des Trägerelements in einen Bereich auf der kraftabgewandten Seite des Trägerelements und verläuft von dort weiter in das zweite Gebäudeteil hinein.In the case of a connection of a staircase part to a building wall, the carrier element must transmit the weight of the staircase part to the building wall, which leads to particularly high loads in the region of the front edge of the supported building part. In order not only to include the material of the second building part on the force-introducing side of the support member in the load bearing, but also further surrounding the support member material of the supported building part, the reinforcing element is provided extending from the force-introducing side on the opposite side facing away from the force of the support member and thus ensures a better anchoring of the support element in the second carried part of the building. For this purpose, the reinforcing element is wrapped around the force-introducing side of the support member, extending on both sides of the support member in an area on the force side facing the support member and extends from there further into the second part of the building.

Um eine möglichst große Traglast aufnehmen zu können, wäre es vorteilhaft, wenn das Bewehrungselement den Bereich der Vorderkante des zweiten getragenen Gebäudeteils oberhalb des Trägerelements beaufschlagt, da dort - wie vorstehend ausgeführt - die vom Trägerelement auf das zweite Gebäudeteil ausgeübten Kräfte sehr groß sind. Auf der anderen Seite bedeutet aber ein randnahes Anordnen von aus Metall bestehenden Bewehrungselementen, dass diese aus Korrosionsschutzgründen aus Edelstahl hergestellt werden müssen, wenn sie die erforderliche Betonüberdeckung unterschreiten. Dies macht die gesamte Verbindungsvorrichtung teurer als herkömmliche Varianten, bei denen das Bewehrungselement aus Betonstahl besteht.In order to be able to absorb the greatest possible load, it would be advantageous if the reinforcing element acts on the region of the front edge of the second supported building part above the carrier element, since there - as stated above - the forces exerted by the carrier element on the second building part are very large. On the other hand, however, placing metal reinforcing elements close to the edge means that, for reasons of corrosion protection, they must be made of stainless steel if they fall below the required concrete cover. This makes the entire connecting device more expensive than conventional variants in which the reinforcing element consists of reinforcing steel.

Von diesem Stand der Technik ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Vorrichtung zum kraftübertragenden Verbinden der eingangs genannten Art zur Verfügung zu stellen, das sich durch günstigere Herstellungskosten einerseits und bessere Gebrauchseigenschaften andererseits auszeichnet.Based on this prior art, the present invention has the object to provide a device for force-transmitting connection of the type mentioned above, which is characterized by lower production costs on the one hand and better performance on the other.

Diese Aufgabe wird bei einer Verbindungsvorrichtung der eingangs genannten Art durch einen Gegenstand mit den Merkmalen des Anspruchs 1 gelöst. Demgemäß ist es wesentlich für die vorliegende Erfindung, dass das Bewehrungselement im eingebauten Zustand auf der krafteinleitenden Seite des Trägerelements beabstandet von der der Fuge zugewandten Vorderkante des zweiten getragenen Gebäudeteils angeordnet ist und dass zwischen Vorderkante des zweiten getragenen Gebäudeteils und Bewehrungselement ein Pufferelement angeordnet ist.This object is achieved in a connecting device of the type mentioned by an object having the features of claim 1. Accordingly, it is essential for the present invention that the reinforcing element in the installed state on the force-introducing side of the support member spaced from the joint facing the front edge of the second supported building part is arranged and that between the front edge of the second supported building part and reinforcing element, a buffer element is arranged.

Weitere vorteilhafte Merkmale sind in den Unteransprüchen aufgeführt, deren Inhalt hier zur Vermeidung von Wiederholungen ausdrücklich einbezogen wird.Further advantageous features are listed in the subclaims, the contents of which are expressly incorporated herein to avoid repetition.

Die Beabstandung des Bewehrungselements von der Vorderkante des zweiten Gebäudeteils führt dazu, dass als Material für das Bewehrungselement statt Edelstahl nunmehr Baustahl bzw. Betonstahl verwendet werden kann, der zwar korrosionsanfälliger ist, was jedoch wegen des durch das Pufferelement hervorgerufenen Abstandes von der Fuge und der damit verbundenen Einhaltung der erforderlichen Mindestbetondeckung ausreicht. Dadurch kann das Verwenden des sehr teuren und das System damit unattraktiv machenden Edelstahls vermieden werden.The spacing of the reinforcing element from the front edge of the second building part means that as a material for the reinforcing element instead of stainless steel now steel or reinforcing steel can be used, which is indeed more susceptible to corrosion, but because of caused by the buffer element distance from the joint and thus sufficient compliance with the required minimum concrete cover. This avoids the use of the very expensive stainless steel making the system unattractive.

Besonders wichtig ist es für den Gegenstand der vorliegenden Erfindung jedoch, dass zwischen Vorderkante des zweiten Gebäudeteils und Bewehrungselement auf der krafteinleitenden Seite des Trägerelements ein Pufferelement angeordnet ist. Demnach soll dieser Abstandsbereich nicht einfach nur mit dem Material des zweiten getragenen Gebäudeteils aufgefüllt werden, was aufgrund der hohen Belastungen an der Vorderkante schnell zu einem Abplatzen des Betonmaterials führen kann, was wiederum die erforderliche Mindestbetonüberdeckung zerstört bzw. reduziert und somit den Korrosionsschutz für das Bewehrungselement aufhebt. Erfindungsgemäß ist stattdessen, also statt des zwischen Bewehrungselement und Vorderkante des getragenen Gebäudeteils angeordneten Betonmaterials des zweiten Gebäudeteils ein Pufferelement angeordnet, das die Aufgabe hat, die auf die krafteinleitenden Seite des Trägerelements an der Vorderkante des getragenen Gebäudeteils wirkenden Kräfte nicht 1:1 weiterzugeben an das darüberliegende Material des zweiten Gebäudeteils, sondern in reduziertem, d.h. gepuffertem Ausmaß. Hierdurch erhält man eine langsam ansteigende, progressive Steifigkeit, indem am Anfang, also an der Vorderkante des zweiten Gebäudeteils das Trägerelement vergleichsweise weich gelagert ist und etwas nachgeben kann in Richtung des Pufferelements und dann entlang seiner Längserstreckung in das zweite getragene Gebäudeteil im Laufe der Einbindelänge immer steifer wird.However, it is particularly important for the subject matter of the present invention that a buffer element is arranged between the front edge of the second building part and the reinforcement element on the force-introducing side of the support element. Accordingly, this distance range should not just be filled with the material of the second supported building part, which can quickly lead to spalling of the concrete material due to the high loads on the leading edge, which in turn destroys or reduces the required minimum concrete coverage and thus the corrosion protection for the reinforcing element picks. Instead, according to the invention, instead of the concrete material of the second building part arranged between the reinforcing element and the front edge of the supported building part, a buffer element is arranged which has the task not to pass on the forces acting on the force-introducing side of the support element on the front edge of the supported building part 1: 1 Overlying material of the second part of the building, but in a reduced, ie buffered extent. This gives you a slowly rising, progressive stiffness by the support element is comparatively soft and at the beginning, so at the front edge of the second building part can yield slightly in the direction of the buffer element and then along its length in the second supported building part in the course of the bond length is getting stiffer.

Es ist zwar bereits im Stand der Technik, beispielsweise aus der FR-A 2 804 703 bekannt, bei einer ähnlichen Verbindungsvorrichtung in beiden Gebäudeteilen jeweils am Trägerelement zwischen der Fuge und zwei zur Verankerung des Trägerelements vorgesehenen Bewehrungselementen zwei Abstandsbügel anzuordnen, die sich senkrecht zum Trägerelement und zu den beiden Bewehrungselementen erstrecken. Diese beabstanden zwangsläufig die Bewehrungselemente von der der Fuge zugewandten Vorderkante des zweiten getragenen Gebäudeteils. Diese Abstandsbügel unterscheiden sich jedoch einerseits hinsichtlich der Funktion von dem erfindungsgemäßen Pufferelement, da die Abstandsbügel die Aufgabe haben, einerseits an der Kraftübertragung zwischen Trägerelement und Gebäudeteil mitzuwirken und andererseits als Zentrierhilfe die gegenseitige Relativposition von Trägerelement und Bewehrungsstäben vorzugeben; andererseits macht auch das Material der Abstandsbügel deutlich, dass diese nichts mit dem erfindungsgemäßen Pufferelement gemeinsam haben: Die Zentrierungselemente weisen zur Vergrößerung der Kraftübertragung sogar einen größeren Querschnitt als die Bewehrungsstäbe auf und bestehen - wie dies für diesen fugennahen Randbereich aus Korrosionsschutzgründen erforderlich ist - aus Edelstahl. Im Gegensatz dazu ist das erfindungsgemäße Pufferelement dazu vorgesehen, die wirkenden Kräfte nicht direkt, sondern nur gepuffert an das Material des Gebäudeteils weiterzugeben.Although it is already in the art, for example from the FR-A 2 804 703 known to be arranged in a similar connection device in both parts of the building respectively on the support element between the joint and two provided for anchoring the support member reinforcing elements two spacer brackets extending perpendicular to the support member and the two reinforcing elements. These inevitably space the reinforcing elements from the joint facing the front edge of the second supported building part. These spacers differ, however, on the one hand in terms of the function of the buffer element according to the invention, since the spacer brackets have the task to participate on the one hand on the power transmission between the support member and part of the building and on the other hand pretend as centering the mutual relative position of the support element and reinforcing bars; On the other hand, also makes the material of the spacer bracket clear that they have nothing in common with the buffer element according to the invention: To increase the power transmission, the centering even have a larger cross-section than the reinforcing bars and consist - as is required for this near-joint edge region for corrosion protection reasons - made of stainless steel , In contrast, the buffer element according to the invention is intended to pass the forces acting not directly, but only buffered to the material of the building part.

FR 2 818 675 A1 offenbart die Merkmale des Oberbegriffs des Anspruchs 1. FR 2 818 675 A1 discloses the features of the preamble of claim 1.

Es liegt im Rahmen der vorliegenden Erfindung, das Trägerelement nicht direkt vom Material des zweiten getragenen Gebäudeteils zu umgeben bzw. zu beaufschlagen, sondern dass die Vorrichtung außerdem eine dem zweiten getragenen Gebäudeteil zugeordnete Hülse aufweist, dass die Hülse das Trägerelement aufnimmt und dazu vorgesehen ist, sich ausgehend von der der Fuge zugewandten Vorderkante des zweiten getragenen Gebäudeteils horizontal in das zweite getragene Gebäudeteil zu erstrecken.It is within the scope of the present invention not to surround the support element directly from the material of the second supported building part, but that the device also has a sleeve associated with the second supported building part, that the sleeve receives the support element and is intended to extending horizontally into the second supported building part starting from the joint facing the front edge of the second supported building part.

Während die Bauform ohne Hülse vor allem bei aus Ortbeton hergestellten zweiten Gebäudeteilen zur Anwendung kommt, wird das Trägerelement insbesondere unter Zwischenschaltung einer Hülse im zweiten Gebäudeteil angeordnet, wenn dieses zweite Gebäudeteil aus einem Fertigteil besteht, also insbesondere in einem Fertigteilwerk vorproduziert ist und auf der Baustelle montiert und an dem ersten tragenden Gebäudeteil aufgelagert werden muss.While the design is without sleeve mainly used in cast-in-situ second building parts used, the support element is arranged in particular with the interposition of a sleeve in the second part of the building, if this second part of the building consists of a finished part, that is pre-produced in particular in a precast plant and on the site mounted and must be stored on the first supporting part of the building.

Sofern vorstehend auf das Trägerelement, auf die krafteinleitende Seite des Trägerelements und dergleichen Bezug genommen ist, so liegt es im Rahmen der Erfindung, dass sich der Schutz der vorliegenden Erfindung auch auf solche Bauformen erstreckt, bei denen das Trägerelement unter Zwischenschaltung der Hülse im zweiten Gebäudeteil angeordnet ist. Somit können zum Beispiel das Bewehrungselement und das Pufferelement einerseits das Trägerelement direkt beaufschlagen, andererseits aber auch die Hülse, die das Trägerelement umgibt.As far as the carrier element, the force-introducing side of the carrier element and the like is referred to above, it is within the scope of the invention that the protection of the present invention also extends to those types in which the carrier element with the interposition of the sleeve in the second building part is arranged. Thus, for example, the reinforcing element and the buffer element on the one hand act directly on the carrier element, but on the other hand also the sleeve which surrounds the carrier element.

Im Falle der Verwendung einer das Trägerelement umgebenden Hülse ist das Trägerelement in seiner Längsrichtung in der Hülse verschieblich angeordnet, was insbesondere bei der Montage erforderlich ist, aber auch den Effekt hat, dass das Trägerelement Relativbewegungen zwischen den beiden Gebäudeteilen in Längsrichtung des Trägerelements kraftfrei folgen kann.In the case of using a sleeve surrounding the support member, the support member is slidably disposed in the longitudinal direction in the sleeve, which is particularly necessary during assembly, but also has the effect that the support member can follow relative movements between the two parts of the building in the longitudinal direction of the support element force ,

Die Folge der beschriebenen progressiven Steifigkeit besteht darin, dass an der Vorderkante des zweiten Gebäudeteils oberhalb des Trägerelements und/oder der Hülse keine Abplatzungen des Materials des Gebäudeteils, also insbesondere von Beton mehr auftreten, dass im Gegenteil sogar das Pufferelement als zusätzliches Dichtelement für das Bewehrungselement fungieren kann und es gegenüber Umgebungseinflüssen schützt, indem das Pufferelement vor allem an der Vorderkante komprimiert wird und dadurch seine Dichtfunktion noch einmal verbessert wird.The consequence of the described progressive rigidity is that at the front edge of the second building part above the support member and / or the sleeve no flaking of the material of the building part, ie in particular of concrete occur more that on the contrary even the buffer element as an additional sealing element for the reinforcing element and protects it against environmental influences by the buffer element is compressed mainly at the leading edge, thereby improving its sealing function again.

Erfindungsgemäß besteht das Pufferelement aus einem Material mit gegenüber Beton und/oder Stahl reduzierter Steifigkeit, insbesondere aus einem Kunststoff-, Gummi-, Schaum- oder Elastomermaterial. Dadurch ist sichergestellt, dass das Pufferelement die gewünschten Funktionen übernehmen kann, die ein an dieser Stelle vorhandener Beton, also insbesondere ein Material des zweiten getragenen Gebäudeteils, oder ein an dieser Stelle vorgesehener Bewehrungsstab (wie z.B. beim Stand der Technik der FR-A 2 804 703 ) gerade nicht übernehmen könnte.According to the invention, the buffer element consists of a material with reduced stiffness relative to concrete and / or steel, in particular of a plastic, rubber, foam or elastomer material. This ensures that the buffer element can take over the desired functions that a concrete present at this point, that is, in particular a material of the second carried Building part, or provided at this point rebar (such as in the prior art of FR-A 2 804 703 ) just could not take over.

Nachdem die Mindestbetonüberdeckung für nicht aus Edelstahl bestehende Bewehrungsstäbe nicht unter 10 mm beträgt, empfiehlt es sich ebenso, dass der Abstand (a) des Bewehrungselements von der Vorderkante des zweiten Gebäudeteils und/oder der Hülse zumindest 10 mm beträgt.Since the minimum concrete cover for non-stainless steel reinforcing bars is not less than 10 mm, it is also recommended that the distance (a) of the reinforcing element from the leading edge of the second building part and / or the sleeve be at least 10 mm.

Ebenso empfiehlt es sich, dass das Pufferelement eine in Längsrichtung des Trägerelements gemessene Länge von mindestens 10 mm aufweist und/oder eine orthogonal zur Längsrichtung des Trägerelements gemessene Höhe (b) von mindestens 0,5 mm aufweist und/oder eine orthogonal zur Längsrichtung der Hülse gemessene Breite (c) aufweist, die im Wesentlichen der Breite des Trägerelements und/oder der Hülse im Bereich der Anbindungsposition des Pufferelements entspricht. Mit Hilfe eines solchen Pufferelements lässt sich zum einen die gewünschte reduzierte Steifigkeit einstellen und gleichzeitig die erforderliche Abdichtung gewährleisten. Gleichzeitig sollte das Pufferelement dünner als der Durchmesser des Bewehrungsstabs ausgeführt sein, damit der Bewehrungsstab auf der benachbart an das Pufferelement liegenden Seite noch ausreichend Formschluss mit dem ihn umgebenden Betonmaterial eingeht. Für die Erfüllung der Funktion des Pufferelements ist es jedoch in der Regel schon ausreichend, dass das Pufferelement eine Höhe von 0,5 mm aufweist.It is likewise recommended that the buffer element has a length measured in the longitudinal direction of the carrier element of at least 10 mm and / or has a height (b) measured orthogonal to the longitudinal direction of the carrier element of at least 0.5 mm and / or orthogonal to the longitudinal direction of the sleeve measured width (c), which corresponds substantially to the width of the carrier element and / or the sleeve in the region of the connection position of the buffer element. With the help of such a buffer element, on the one hand, the desired reduced rigidity can be set and, at the same time, the required sealing ensured. At the same time, the buffer element should be made thinner than the diameter of the reinforcing bar so that the reinforcing bar on the side lying adjacent to the buffer element still forms sufficient positive engagement with the surrounding concrete material. However, in order to fulfill the function of the buffer element, it is usually sufficient for the buffer element to have a height of 0.5 mm.

Vorteilhafterweise ist das Bewehrungselement zumindest mittelbar kraft-, reib-und/oder formschlüssig an dem Trägerelement und/oder an der Hülse festgelegt. Dadurch soll sichergestellt sein, dass das Bewehrungselement die von ihm beaufschlagten Bereiche des zweiten getragenen Gebäudeteils aktivieren und so die entsprechenden Kräfte von dem Trägerelement und/oder der Hülse übertragen kann.Advantageously, the reinforcing element is at least indirectly frictionally, frictionally and / or positively fixed to the support element and / or on the sleeve. This is intended to ensure that the reinforcing element can activate the areas of the second supported building part that are acted upon by it and thus can transmit the corresponding forces from the carrier element and / or the sleeve.

Ebenso ist das Pufferelement an dem Trägerelement und/oder der Hülse zumindest mittelbar kraft-, reib- und/oder formschlüssig festgelegt, insbesondere durch eine Rast-, Klips- oder Klebverbindung.Likewise, the buffer element on the carrier element and / or the sleeve is at least indirectly fixed force, friction and / or positive fit, in particular by a latching, Klips- or adhesive bond.

Das Bewehrungselement kann entweder das Trägerelement und/oder die Hülse direkt beaufschlagen und so insbesondere entlang der Oberkante des Trägerelements und/oder der Hülse verlaufen; ebenso ist es aber auch möglich, dass das Bewehrungselement unter Zwischenfügung eines Druckumlenkelements am Trägerelement und/oder an der Hülse angeordnet ist, welches aus Metall bestehen kann. Da die Anbindungsposition des Bewehrungselements in Längsrichtung des Trägerelements hinter dem Pufferelement liegt, hat auch das Druckumlenkelement die erforderliche Mindestbetonüberdeckung, muss deshalb keinen eigenen Korrosionsschutz aufweisen und kann demgemäß kostengünstig aus einem Schwarzstahl, insbesondere in einer Ausführung als Schmiedeteil bestehen.The reinforcing element can either act directly on the carrier element and / or the sleeve and thus extend in particular along the upper edge of the carrier element and / or the sleeve; but it is also possible that the reinforcing element is arranged with the interposition of a Druckumlenkelements on the support element and / or on the sleeve, which may consist of metal. Since the connection position of the reinforcing element in the longitudinal direction of the support element is behind the buffer element, and the Druckumlenkelement has the required minimum concrete coverage, therefore, must not have their own corrosion protection and can therefore cost of a black steel, in particular in an execution as a forged part.

Dieses Druckumlenkelement sorgt aufgrund seiner besonders vorteilhaften Ausgestaltung für die Möglichkeit, eine optimale Anlage zwischen Bewehrungselement und Trägerelement/Hülse zur Verfügung zu stellen. Da das Bewehrungselement im Bereich von Trägerelement/Hülse teilweise abgewinkelt und/oder schlaufenförmig umgebogen sein muss, kann es in seiner Form nicht immer jeder beliebigen Form von Trägerelement/Hülse angepasst sein. Vor diesem Hintergrund ist es sinnvoll, das Druckumlenkelement so zur Verfügung zu stellen, dass es auf seiner Außenseite an die Form und den Verlauf des Bewehrungselements angepasst und auf seiner Innenseite an die Außenform des Trägerelements bzw. der Hülse angepasst sein kann.Due to its particularly advantageous embodiment, this pressure deflecting element makes it possible to provide optimum contact between the reinforcing element and the carrier element / sleeve. Since the reinforcing element in the region of support element / sleeve must be partially angled and / or bent loop-shaped, it may not always be adapted in shape to any form of support element / sleeve. Against this background, it makes sense to provide the pressure deflection element so that it can be adapted on its outer side to the shape and the course of the reinforcing element and adapted on its inner side to the outer shape of the carrier element or the sleeve.

Dieses Druckumlenkelement muss ausreichend druckstabil sein, um die Kräfte direkt zwischen dem Trägerelement ggf. über die Hülsenwandung auf das Druckumlenkelement und von dort in das Bewehrungselement zu übertragen.This pressure deflection element must be sufficiently pressure-stable in order to transmit the forces directly between the carrier element, if appropriate via the sleeve wall, to the pressure deflection element and from there into the reinforcing element.

Zweckmäßigerweise ist das Bewehrungselement - wie es an sich im Stand der Technik bereits bekannt ist - bügelförmig ausgebildet mit einem mittleren Schlaufenabschnitt, der die krafteinleitende Seite des Trägerelements und/oder der Hülse beaufschlagt, und mit zwei Schenkelabschnitten, die sich im eingebauten Zustand jeweils seitlich des Trägerelements und/oder der Hülse in einen Bereich auf der kraftabgewandten Seite des Trägerelements und/oder der Hülse erstrecken und dort weiter von der Fuge weg in das zweite getragene Gebäudeteil verlaufen.Conveniently, the reinforcing element is - as it is already known in the art - bow-shaped with a central loop portion which acts on the force-introducing side of the support member and / or the sleeve, and with two leg portions which in the installed state each side of the Carrier element and / or the sleeve extend into an area on the force side facing away from the support member and / or the sleeve and there continue to run away from the joint in the second supported building part.

Was nun die Hülse betrifft, so kann diese zweckmäßigerweise aus Kunststoff bestehen und zur Verankerung am zweiten getragenen Bauteil Vorsprünge aufweisen, die vom Material des zweiten getragenen Gebäudeteils umgeben sind und für eine gegenseitige Verankerung sorgen. Die Hülse kann an ihrer Vorderkante einen umlaufenden Kragen aufweisen, der beispielsweise zum Fixieren der Hülse an der Bauteilschalung des zweiten getragenen Gebäudeteils verwendet werden kann, so dass beim Gießen des Materials des zweiten Gebäudeteils die Hülse in der richtigen Position verbleibt.As far as the sleeve is concerned, it may expediently consist of plastic and, for anchoring to the second component, have projections which are surrounded by the material of the second supported part of the building and ensure mutual anchoring. The sleeve may have at its front edge a circumferential collar, which may be used, for example, for fixing the sleeve to the component formwork of the second supported building part, so that when casting the material of the second building part, the sleeve remains in the correct position.

Grundsätzlich ist die Form und vor allem der Querschnitt der Hülse und auch des Trägerelements für die vorliegende Erfindung eher nachrangig; aus den eingangs genannten Gründen empfehlen sich - je nach Anwendungs- und Belastungsfall - vor allem Profilträger- oder Dornsysteme mit rechteckigem oder rundem Querschnitt.Basically, the shape and especially the cross section of the sleeve and also of the support element for the present invention is rather subordinate; For the reasons mentioned above, it is recommended, depending on the application and load case, above all, profiled beam or mandrel systems with a rectangular or round cross-section.

Weitere Merkmale und Vorteile der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnungen; hierbei zeigen

Figur 1
ein Anwendungsbeispiel für eine erfindungsgemäße Verbindungsvorrichtung;
Figur 2
die erfindungsgemäße Verbindungsvorrichtung in perspektivischer Seitenansicht;
Figur 3
die erfindungsgemäße Verbindungsvorrichtung, ebenfalls in perspektivischer Seitenansicht;
Figur 4
die erfindungsgemäße Verbindungsvorrichtung, ebenfalls in perspektivischer Seitenansicht;
Figur 5a
die erfindungsgemäße Verbindungsvorrichtung in Vorderansicht; und
Figur 5b
die erfindungsgemäße Verbindungsvorrichtung in Seitenansicht.
Further features and advantages of the present invention will become apparent from the following description of an embodiment with reference to the drawings; show here
FIG. 1
an application example of a connecting device according to the invention;
FIG. 2
the connecting device according to the invention in a perspective side view;
FIG. 3
the connecting device according to the invention, also in a perspective side view;
FIG. 4
the connecting device according to the invention, also in a perspective side view;
FIG. 5a
the connecting device according to the invention in front view; and
FIG. 5b
the connecting device according to the invention in side view.

In Figur 1 ist eine erfindungsgemäße Verbindungsvorrichtung 1 angedeutet, die in einem zweiten getragenen Gebäudeteil 2 angeordnet ist und dazu dient, sich in ein erstes tragendes Gebäudeteil 3 zu erstrecken, welches in Figur 1 aus einer Gebäudewand besteht, die allerdings nur schematisch mit dem Bezugszeichen 3 angedeutet ist. Das Treppenteil gemäß Figur 1 besteht aus einem Treppenlauf einer Wendeltreppe, der aus Beton hergestellt ist und über verschiedene konstruktive Maßnahmen aufgelagert wird, so beispielsweise am oberen Ende des Treppenlaufs im Bereich 4. Eine dieser Maßnahmen besteht in der erfindungsgemäßen Verbindungsvorrichtung 1, die im Detail in den Figuren 2, 3, 4, 5a und 5b dargestellt ist.In FIG. 1 a connecting device 1 according to the invention is indicated, which is arranged in a second supported building part 2 and serves to extend into a first supporting building part 3, which in FIG. 1 consists of a building wall, however, which is indicated only schematically by the reference numeral 3. The staircase part according to FIG. 1 consists of a staircase a spiral staircase which is made of concrete and is superimposed on various structural measures, such as at the top of the staircase in the area 4. One of these measures consists in the connecting device 1 according to the invention, in detail in the Figures 2 . 3 . 4 . 5a and 5b is shown.

Die Figuren 2 und 3 zeigen die Verbindungsvorrichtung 1 mit dem schematisch angedeuteten, sie umgebenden Gebäudeteil 2, das vorstehend als zweites getragenes Gebäudeteil bezeichnet ist.The Figures 2 and 3 show the connecting device 1 with the schematically indicated, surrounding building part 2, which is referred to above as a second supported building part.

Die Verbindungsvorrichtung 1 besteht insbesondere aus einem Trägerelement 5, das sich in Längsrichtung x ausgehend vom ersten tragenden Gebäudeteil 3 in das zweite Gebäudeteil 2 erstreckt. In Figur 2 und 3 ist der gegenüber dem zweiten Gebäudeteil 2 vorstehende Teil 5.3 des Trägerelements in durchgezogenen Linien und der im zweiten Gebäudeteil 2 sich erstreckende Teil 5.2 des Trägerelements 5 in gestrichelter Linierung dargestellt. Figur 2 zeigt unter dem gegenüber dem zweiten Gebäudeteil 2 vorstehenden Teil 5.3 des Trägerelements 5 eine Kraftverteilerplatte 16 und ein Trittschalldämmelement 17, das dazu dient, im ersten tragenden Gebäudeteil 3 angeordnet zu werden und (Tritt-schall-)Schwingungen zwischen beiden Gebäudeteilen zu dämmen.The connecting device 1 consists in particular of a carrier element 5 which extends in the longitudinal direction x, starting from the first supporting building part 3 into the second building part 2. In FIG. 2 and 3 is the opposite of the second building part 2 projecting part 5.3 of the support element in solid lines and the second part of the building 2 extending part 5.2 of the support member 5 shown in dashed lines. FIG. 2 shows under the opposite to the second building part 2 protruding part 5.3 of the support member 5, a power distribution plate 16 and a footfall sounding 17, which serves to be arranged in the first supporting part of the building 3 and to dampen (kick-sound) vibrations between the two parts of the building.

Das Trägerelement 5 besteht aus einem Hohlprofil mit rechteckigem Querschnitt und wirkt mit einem Bewehrungselement 6 zusammen, das schlaufenartig ausgebildet ist und sich hierzu mit seinem schlaufenvermögen Mittelabschnitt 6a über die im dargestellten Beispiel krafteinleitende Oberseite 5a des Trägerelements 5 erstreckt und mit den Bewehrungselementschenkeln 6b, 6c beidseits seitlich des Trägerelements 5 in einen Bereich auf der kraftabgewandten Seite des Trägerelements, d.h. im dargestellten Ausführungsbeispiel unterhalb des Trägerelements erstreckt. Dort sind beide Bewehrungselementschenkel abgebogen und verlaufen parallel zur Längserstreckung des Trägerelements in das zugehörige Gebäudeteil hinein, um eine Verbesserung der Verankerung der Verbindungsvorrichtung im Gebäudeteil zu erzielen.The carrier element 5 consists of a hollow profile with a rectangular cross-section and cooperates with a reinforcing element 6, which is formed like a loop and this extends with its loop capacity central portion 6a on the force introducing in the example shown top 5a of the support member 5 and the reinforcing element legs 6b, 6c on both sides side of the support member 5 in a region on the force side facing away from the support element, ie extends below the support member in the illustrated embodiment. There, both reinforcing element legs are bent and run parallel to the longitudinal extent of the support element in the associated building part in order to achieve an improvement in the anchoring of the connecting device in the building part.

Das Bewehrungselement 6 ist mit seinem schlaufenförmigen Mittelabschnitt 6a am Trägerelement 5 bzw. an dessen Oberseite 5a so angeordnet, dass es in Längsrichtung x des Trägerelements einen Abstand a aufweist, der mindestens 10 mm beträgt und somit der vorgeschriebenen Mindestbetondeckung entspricht, um als Material für das Bewehrungselement 6 statt Edelstahl Betonstahl verwenden zu können.The reinforcing element 6 is arranged with its loop-shaped central portion 6a on the carrier element 5 or on its upper side 5a so that it has a distance a in the longitudinal direction x of the carrier element, which is at least 10 mm and thus corresponds to the prescribed minimum concrete cover to use as a material for the reinforcing element 6 instead of stainless steel reinforcing steel can.

Der Abstand zwischen dem Bewehrungselement 6 und der Vorderkante 2a des Gebäudeteils ist durch ein Pufferelement 7 überbrückt, das auf der Oberseite 5a des Trägerelements 5 angeordnet ist, den gesamten Abstand a überbrückt und eine Breite c aufweist, die der Breite des Trägerelements 5 entspricht. Hinsichtlich seiner Höhe b ist das Pufferelement - wie insbesondere aus den Schnittdarstellungen in den Figuren 5a und 5b erkennbar ist - deutlich flacher ausgebildet als der Durchmesser des Bewehrungselements, wodurch u.a. eine formschlüssige Verankerung des Bewehrungselements 6 im Gebäudeteil 2 sichergestellt wird.The distance between the reinforcing element 6 and the front edge 2a of the building part is bridged by a buffer element 7 which is arranged on the upper side 5a of the carrier element 5, bridges the entire distance a and has a width c which corresponds to the width of the carrier element 5. With regard to its height b is the buffer element - as in particular from the sectional views in the FIGS. 5a and 5b can be seen - significantly flatter than the diameter of the reinforcing element, which inter alia a positive anchoring of the reinforcing element 6 in the building part 2 is ensured.

Das Pufferelement 7 besteht zweckmäßigerweise aus einem Material, das eine gegenüber Beton reduzierte Steifigkeit aufweist. Geeignet als Material hierfür ist beispielsweise Elastomer.The buffer element 7 is expediently made of a material which has a reduced stiffness relative to concrete. Suitable material for this example is elastomer.

Zusammenfassend bietet die vorliegende Erfindung den Vorteil, eine Verbindungsvorrichtung mit verbesserten Gebrauchseigenschaften zur Verfügung zu stellen, die aufgrund der Verwendbarkeit von Betonstahl dennoch mit reduzierten Materialkosten auskommt. Das Pufferelement sorgt hierbei für eine Reduzierung der Steifigkeit an der Vorderkante des Gebäudeteils, die an sich durch das Trägerelement sehr stark belastet wird. Diese reduzierte Steifigkeit führt dazu, dass Abplatzungen im Bereich der Vorderkante des entsprechenden Gebäudeteils verhindert werden und die Steifigkeit über die Einbindelänge des Trägerelements progressiv zunimmt.In summary, the present invention offers the advantage of providing a connection device with improved performance characteristics, which still manages with reduced material costs due to the availability of reinforcing steel. The buffer element in this case ensures a reduction of the rigidity at the front edge of the building part, which is very heavily loaded by the support element. This reduced stiffness prevents flaking in the area of the front edge of the corresponding building part and progressively increases the rigidity over the bond length of the support element.

Claims (14)

  1. Device (1) for force-transmitting connection of a first supporting building part (3), especially a building wall (3), to a second supported building part (2), especially a staircase part (2), at least comprising a support element (5), which in the installed state extends between the first building part and the second building part in a horizontal direction through a joint left between the first and second building parts, and a reinforcing element (6) for anchoring the support element in the second supported building part (2), wherein in the installed state the reinforcing element (6), starting from the force-introducing side of the support element, extends laterally of the support element on both sides into a region on the side (5b) of the support element (5) that is remote from the force, the reinforcing element (6) in the installed state being arranged on the force-introducing side (5a) of the support element (5) at a distance from the front edge (2a) of the second supported building part (2), which front edge faces towards the joint,
    characterised in that
    in the second supported building part (2) a buffer element (7) is arranged between the front edge (2a) of the second supported building part (2) and the reinforcing element, the buffer element (7) consisting of a material of reduced rigidity with respect to concrete.
  2. Device according to claim 1,
    characterised in that
    the device (1) also has a sleeve which is assigned to the second supported building part (2); the sleeve receives the support element (5) and is designed to extend, starting from the front edge (2a) of the second supported building part (2) that faces towards the joint, horizontally into the second supported building part.
  3. Device according to at least one of the preceding claims,
    characterised in that
    the buffer element (7) consists of a plastics, rubber, foam or elastomer material.
  4. Device according to at least one of the preceding claims,
    characterised in that
    the distance (a) of the reinforcing element from the front edge of the second building part (2) and/or the sleeve is at least 10 mm.
  5. Device according to at least one of the preceding claims,
    characterised in that
    the buffer element (7) has a length, measured in the longitudinal direction (x) of the support element (5), of at least 10 mm and/or a height (b), measured orthogonally to the longitudinal direction of the support element, of at least 0.5 mm and/or has a width (c), measured orthogonally to the longitudinal direction of the sleeve, which substantially corresponds to the width of the support element (5) and/or the sleeve in the region of the attachment position of the buffer element (7).
  6. Device according to at least one of the preceding claims,
    characterised in that
    the reinforcing element (6) is fixed in position on the support element (5) and/or the sleeve at least indirectly by force-based, frictional and/or interlocking engagement.
  7. Device according to at least one of the preceding claims,
    characterised in that
    the buffer element (7) is fixed in position on the support element (5) and/or the sleeve at least indirectly by force-based, frictional and/or interlocking engagement, especially by a snap connection, clip connection or adhesive bonding.
  8. Device according to at least one of the preceding claims,
    characterised in that
    the reinforcing element (6) is arranged on the support element and/or on the sleeve with the interposition of a pressure-diverting element.
  9. Device according to at least one of the preceding claims,
    characterised in that
    the pressure-diverting element consists of metal.
  10. Device according to at least one of the preceding claims,
    characterised in that
    the reinforcing element (6) is U-shaped, with a middle loop portion (6a) which acts upon the force-introducing side (5a) of the support element (5) and/or of the sleeve, and with two limb portions (6b, 6c) which in the installed state each extend laterally of the support element (5) and/or the sleeve into a region on the side (5b) of the support element (5) and/or of the sleeve that is remote from the force and in that region extend away from the joint further into the second supported building part (2).
  11. Device according to at least one of the preceding claims,
    characterised in that
    the sleeve consists of plastics and has projections for anchoring in the second supported component.
  12. Device according to at least one of the preceding claims,
    characterised in that
    the sleeve has a peripheral collar at its front edge.
  13. Device according to at least one of the preceding claims,
    characterised in that
    the sleeve has a rectangular or round cross-section orthogonal to its longitudinal extent.
  14. Device according to at least one of the preceding claims,
    characterised in that
    the support element (5) is in the form of a hollow profile and has a rectangular or round cross-section orthogonal to its longitudinal extent.
EP14151127.9A 2013-01-14 2014-01-14 Device for connecting a first supporting building part with a second supported building part in a manner that transfers force Active EP2754766B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14151127T PL2754766T3 (en) 2013-01-14 2014-01-14 Device for connecting a first supporting building part with a second supported building part in a manner that transfers force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013100356.7A DE102013100356A1 (en) 2013-01-14 2013-01-14 Device for force-transmitting connection of a first supporting part of the building with a second supported part of the building

Publications (2)

Publication Number Publication Date
EP2754766A1 EP2754766A1 (en) 2014-07-16
EP2754766B1 true EP2754766B1 (en) 2019-06-26

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EP (1) EP2754766B1 (en)
DE (1) DE102013100356A1 (en)
HU (1) HUE044774T2 (en)
PL (1) PL2754766T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3960944A1 (en) 2020-08-28 2022-03-02 H-Bau Technik GmbH Device for shear force connection of a first concrete component to a second component

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH710401A2 (en) * 2014-11-21 2016-05-31 Pakon Ag Apparatus for transverse force connection and uses thereof.
DE102021100348A1 (en) 2021-01-12 2022-07-14 Schöck Bauteile GmbH Device for force-transmitting connection of a first load-bearing building part to a second load-bearing building part

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162596A (en) * 1977-09-08 1979-07-31 Damman Bernard A Anchor bolt assembly
DE29504707U1 (en) * 1995-03-24 1995-05-04 Schöck Bauteile GmbH, 76534 Baden-Baden Joint plate
DE19602306B4 (en) * 1996-01-23 2004-02-19 Schöck Entwicklungsgesellschaft mbH carrying device
DE50006727D1 (en) * 1999-07-27 2004-07-15 Nivo Ag Component as a connecting element between two parts of the building
FR2804703B1 (en) * 2000-02-04 2002-11-08 Plakabeton Coffratec S C A REINFORCED CONCRETE CONSTRUCTION METHOD WITH INTEGRATED THERMAL BREAK AND CONSTRUCTION THUS OBTAINED
DE10063747A1 (en) * 2000-12-21 2002-06-27 Schoeck Bauteile Gmbh Structural element used as heat insulation comprises force-transferring reinforcing element made of plastic and surrounded on all sides by closed corrosion-protection coating
DE20316774U1 (en) * 2003-10-30 2004-02-12 Schöck Entwicklungsgesellschaft mbH Component for the particular subsequent spaced-apart attachment of components to building parts
PL2080841T3 (en) * 2008-01-18 2015-08-31 Peikko Group Oy Cantilever plate connecting element
NO333354B1 (en) * 2010-12-21 2013-05-13 Svein Berg Holding As Device for a building system joining system.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3960944A1 (en) 2020-08-28 2022-03-02 H-Bau Technik GmbH Device for shear force connection of a first concrete component to a second component
DE102020005274A1 (en) 2020-08-28 2022-03-03 H-Bau Technik Gmbh Device for shear force connection of a first component made of concrete with a second component

Also Published As

Publication number Publication date
HUE044774T2 (en) 2019-11-28
PL2754766T3 (en) 2019-11-29
DE102013100356A1 (en) 2014-07-17
EP2754766A1 (en) 2014-07-16

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