EP0826847A2 - Device for transmitting the forces in construction joints - Google Patents

Device for transmitting the forces in construction joints Download PDF

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Publication number
EP0826847A2
EP0826847A2 EP97114443A EP97114443A EP0826847A2 EP 0826847 A2 EP0826847 A2 EP 0826847A2 EP 97114443 A EP97114443 A EP 97114443A EP 97114443 A EP97114443 A EP 97114443A EP 0826847 A2 EP0826847 A2 EP 0826847A2
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EP
European Patent Office
Prior art keywords
support element
end piece
hook end
structural part
load
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.)
Granted
Application number
EP97114443A
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German (de)
French (fr)
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EP0826847A3 (en
EP0826847B1 (en
Inventor
Richard Prof. Dr.-Ing. Rojek
André Dipl.-Ing. Eisenhofer
Wolfgang Dipl.-Ing. Schäffer
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ROJEK, RICHARD, PROF. DR.-ING. EN EISENHOFER, ANDR
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/14—Dowel assembly ; Design or construction of reinforcements in the area of joints
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/16—Arrangement or construction of joints in foundation structures
    • 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
    • E04B1/0038—Anchoring devices specially adapted therefor with means for preventing cold bridging
    • 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

Definitions

  • the invention relates to components with the help of forces on joints of steel and Prestressed concrete structures can be conducted.
  • the elements consist of kinked rods or sheets that either individually or assembled from several parts.
  • the elements are with shear forces and bending moments and in sections also stressed with normal forces.
  • An essential feature of the construction according to the invention is the kinked shape. This initially ensures that the concrete is always on the load-bearing side supported from below and the loads on the load-bearing side from above in the construction can be initiated. This makes the pressure-resistant concrete in stressed primarily with compressive stresses, which always makes a comparative high load-bearing capacity of the construction is guaranteed.
  • Another advantageous feature of the construction according to the invention exists in that they are positively connected to the concrete at the corner or end points is, so that pairs of forces for the balance of arising bending moments into the concrete.
  • the elements preferably have rectangular cross sections. Compared to Round cross sections can, on the one hand, depending on the arrangement, the bending stiffness be minimized or maximized so that for the desired load-bearing capacity (mostly normal forces or mostly bending moments) always optimally acting Cross sections can be selected. Particularly favorable load capacities can for absorbing bending moments can be achieved if the bars made of L-, U-, T, TT, I-shaped or similar composite cross sections exist.
  • the rectangular or composite rods can be individually, in pairs or installed in series with or without gaps. Will two or more rectangular bars arranged side by side can be reached thus particularly favorable for the absorption or transmission of the forces in the concrete Conditions, since the concrete is exposed to several small sub-areas tolerates greater local stresses.
  • the task of transferring, in particular, vertical transverse forces via joints is solved according to the invention by claim 1.
  • the invention provides that bent bars or sheets in the form of simple, two-legged hooks or bridge the joints with approximately Z-shaped double hooks. Each in the latter case, the middle part is vertical or inclined according to joint width arranged. With this form it is first achieved that both on the load-bearing as well as on the load-bearing side of the concrete Pressure is claimed. Elaborate additional reinforcements are not necessary.
  • FIG. 1 shows the longitudinal section through a reinforced concrete or prestressed concrete construction in which two components 1 and 2 are separated from one another by a relatively narrow joint 3.
  • the load of the component shown on the left is with the inventive -shaped support element 4 introduced into the right component.
  • a sleeve 5 can first be installed in the left component, into which the support element is inserted after stripping. In this case, the support element on the underside of the sleeve z. B. locked with a knob 6.
  • the support element consists of two supports arranged side by side, which are connected at the top to a belt plate 9. The support forces can be released from the support element either directly onto the concrete or - as shown in the drawing - via a sound-absorbing intermediate structure 10.
  • FIG. 2 shows a device according to the invention with a support element 11 shown that the loads of the left component via an expansion joint 12 on the right component should transfer.
  • the support element is mounted on one side in a sleeve 13.
  • a load introduction plate can be on the sleeve 14 are arranged.
  • the bending stress of the support element can be optimally designed by the support element in addition to the actual Load introduction area to the left further into the concrete and here with the help of Sleeve and one welded to this welded 15 is anchored upwards.
  • the concrete is lifted by the load at the bottom left and the load delivery at the top right each favorably stressed; there are no complex additional reinforcements needed.
  • the forces are favorable in the concreted part of the support element initiated with the aid of the recesses 16 arranged in the carrier, so that here none additional pressure plates or tension anchors are required.
  • the supporting element is supported by the lower right end face 17 of the transmission against the right concrete body.
  • the upper right part of the Carrier element an equal tensile force.
  • the resulting moment takes a substantial part of the resulting offset torque. Overall will due to the chosen shape and the arrangement an extremely favorable carrying behavior reached.
  • FIG. 3 shows a further variant of the device according to the invention, which are preferably used to absorb and forward support forces relatively wide insulation joints 18 can be used. With wide joints it offers to arrange the central part 20 of the support element 19 inclined; thereby this part of the beam is used very cheaply almost exclusively with normal forces.
  • both sides of the support element are firmly concreted in shown.
  • the load-bearing capacity of the parts concreted in corresponds to that the right part in Figure 2.
  • FIG. 4 shows a variant of the invention shown in FIG. 1 Support element 4. It differs on the one hand in the curved shape of the lower, left, load-bearing part 21 of the construction. Through the curved The knob 6 shown in FIG. 1 and the associated bolt are unnecessary in shape 7. As a result of the curved shape, a horizontal one pointing to the right can still occur Force component from the support element through the sleeve into the concrete will.
  • the support element according to the invention shown in FIG. 4 differs from that in Figure 1 by connecting the two arranged side by side Carrier through a threaded sleeve 22.
  • the Carrying element according to the invention can also be used as a transport anchor.
  • FIG. 5 shows a further variant of a support element according to the invention, this is used to advantage in both small and medium joint widths can be.
  • the loads of the left component are from the invention Carrier with the help of the numerous contact surfaces between carriers and concrete added through the openings 23 and the rounded Surfaces 24 of the support element are given.
  • the resulting offset moment maintains equilibrium through a horizontal pair of forces with which the support element presses against the concrete at the top left and pulls to the right at the bottom.
  • Of the Concrete transfers the lower tensile force with compressive stress into the usual inserted reinforcement.
  • FIG. 6 shows an additional variant of a support element according to the invention 26, which is preferably used for the reception and transmission of support forces relatively wide fingers can be used. Similar to the support element 25 according to Figure 5 are rounded for opening and delivery of loads through openings 23 and Surfaces 24 achieved particularly favorable conditions. For receiving of the offset moment, the element is supplemented below by a pressure rod 27, which releases the pressure force via a pressure plate 28 in the right-hand emphasis.
  • joint material e.g. insulation material
  • fastening aids e.g. as a molded part Plastic

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agricultural Machines (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Building Environments (AREA)

Abstract

The device has at least one load-carrying element (4) to transmit force across a gap (3), especially in a concrete structure which is reinforced with steel. The element is made from one or more bars, which only have parts with rectangular cross sections. The element may have a flat bar with a rectangular cross section, in order to transmit vertically aligned forces. At least one end may be bent, and preferably both ends may be bent in order to form a double hook. At least one bent end may also shape-mate with the concrete, or may be able to be inserted into a sleeve (5) in the latter.

Description

Die Erfindung betrifft Bauelemente, mit deren Hilfe Kräfte über Fugen von Stahl- und Spannbetonkonstruktionen geleitet werden können.The invention relates to components with the help of forces on joints of steel and Prestressed concrete structures can be conducted.

Die Elemente bestehen erfindungsgemäß aus geknickten Stäben oder Blechen, die entweder einzeln oder aus mehreren Teilen zusammengefügt eingebaut werden. Die Elemente werden mit Querkräften und Biegemomenten und abschnittsweise auch mit Normalkräften beansprucht.According to the invention, the elements consist of kinked rods or sheets that either individually or assembled from several parts. The elements are with shear forces and bending moments and in sections also stressed with normal forces.

Wesentliches Merkmal der erfindungsgemäßen Konstruktion ist die geknickte Form. Dadurch wird zunächst erreicht, daß der Beton auf der lastabgebenden Seite stets von unten unterstützt und die Lasten auf der lastaufnehmenden Seite von oben in die Konstruktion eingeleitet werden können. Hierdurch wird der druckfeste Beton in erster Linie mit Druckspannungen beansprucht, wodurch stets eine vergleichsweise hohe Tragfähigkeit der Konstruktion gewährleistet wird.An essential feature of the construction according to the invention is the kinked shape. This initially ensures that the concrete is always on the load-bearing side supported from below and the loads on the load-bearing side from above in the construction can be initiated. This makes the pressure-resistant concrete in stressed primarily with compressive stresses, which always makes a comparative high load-bearing capacity of the construction is guaranteed.

Ein weiteres vorteilhaftes Merkmal der erfindungsgemäßen Konstruktion besteht darin, daß sie an den Eck- bzw. Endpunkten formschlüssig mit dem Beton verbunden wird, so daß Kräftepaare für das Gleichgewicht von entstehenden Biegemomenten in den Beton geleitet werden können.Another advantageous feature of the construction according to the invention exists in that they are positively connected to the concrete at the corner or end points is, so that pairs of forces for the balance of arising bending moments into the concrete.

Die Elemente weisen vorzugsweise rechteckige Querschnitte auf. Im Vergleich zu runden Querschnitten können dadurch einerseits je nach Anordnung die Biegesteifigkeit minimiert oder maximiert werden, so daß für die gewünschte Tragwirkung (überwiegend Normalkräfte oder überwiegend Biegemomente) stets optimal wirkende Querschnitte gewählt werden können. Besonders günstige Tragfähigkeiten können zur Aufnahme von Biegemomenten erreicht werden, wenn die Stäbe aus L-, U-, T-, TT-, I-förmigen oder ähnlich zusammengesetzten Querschnitten bestehen. The elements preferably have rectangular cross sections. Compared to Round cross sections can, on the one hand, depending on the arrangement, the bending stiffness be minimized or maximized so that for the desired load-bearing capacity (mostly normal forces or mostly bending moments) always optimally acting Cross sections can be selected. Particularly favorable load capacities can for absorbing bending moments can be achieved if the bars made of L-, U-, T, TT, I-shaped or similar composite cross sections exist.

Die rechteckförmigen oder zusammengesetzten Stäbe können einzeln, paarweise oder in serieller Anordnung mit oder ohne Zwischenlücken eingebaut werden. Werden zwei oder mehrere Rechteckstäbe nebeneinander angeordnet, erreicht man damit für die Aufnahme bzw. Weiterleitung der Kräfte in den Beton besonders günstige Verhältnisse, da der Beton bei Beanspruchung in mehreren kleinen Teilflächen örtlich größere Spannungen erträgt.The rectangular or composite rods can be individually, in pairs or installed in series with or without gaps. Will two or more rectangular bars arranged side by side can be reached thus particularly favorable for the absorption or transmission of the forces in the concrete Conditions, since the concrete is exposed to several small sub-areas tolerates greater local stresses.

Die Aufgabe, insbesondere vertikal gerichtete Querkräfte über Fugen zu übertragen, wird erfindungsgemäß durch den Anspruch 1 gelöst. Die Erfindung sieht vor, daß geknickte Stäbe oder Bleche in Form von einfachen, zweischenkligen Haken oder von näherungsweise Z-förmigen Doppelhaken die Fugen überbrücken. Je nach Fugenbreite wird im letztgenannten Fall der mittlere Teil vertikal oder geneigt angeordnet. Durch diese Form wird zunächst erreicht, daß sowohl auf der lastaufnehmenden als auch auf der lastabgebenden Seite der Beton stets günstig auf Druck beansprucht wird. Aufwendige Zusatzbewehrungen sind nicht erforderlich.The task of transferring, in particular, vertical transverse forces via joints, is solved according to the invention by claim 1. The invention provides that bent bars or sheets in the form of simple, two-legged hooks or bridge the joints with approximately Z-shaped double hooks. Each in the latter case, the middle part is vertical or inclined according to joint width arranged. With this form it is first achieved that both on the load-bearing as well as on the load-bearing side of the concrete Pressure is claimed. Elaborate additional reinforcements are not necessary.

Auch wenn ausschließlich Querkräfte übertragen werden, entstehen durch den Kräfteversatz von der lastabgebenden bis zur lastaufnehmenden Stelle Biegemomente, die auch äußerlich ins Gleichgewicht gebracht werden müssen. Diese Aufgabe wird erfindungsgemäß vorzugsweise dadurch gelöst, daß die Hakeneckpunkte kraftübertragend, d. h. formschlüssig mit dem Beton verbunden werden und dadurch ein horizontales Kräftepaar entstehen kann. Durch diese Anordnung können größere Einbindelängen der Elemente vermieden werden, wodurch eine wirtschaftliche, leicht einzubauende Einheit entsteht.Even if only lateral forces are transmitted, the Force offset from the load-giving to the load-bearing point which also have to be balanced externally. This task is preferably solved according to the invention in that the hook corner points power transmission, d. H. be positively connected to the concrete and thereby a horizontal pair of forces can arise. With this arrangement you can longer integration lengths of the elements can be avoided, which results in an economical, easy to install unit.

Nachstehend werden einige mögliche Ausführungsbeispiele der Erfindung anhand der Zeichnungen näher erläutert. Hierbei zeigen:

Figur 1
eine erfindungsgemäße Vorrichtung zur Kraftübertragung über kleine Fugenbreiten,
Figur 2
eine erfindungsgemäße Vorrichtung zur Kraftübertragung über mittlere Fugenbreiten,
Figur 3
eine erfindungsgemäße Vorrichtung zur Kraftübertragung über grössere Fugenbreiten,
Figur 4
eine Variante der erfindungsgemäßen Vorrichtung zur Kraftübertragung über kleine Fugenbreiten,
Figur 5
eine Variante der erfindungsgemäßen Vorrichtung zur Kraftübertragung über kleine und mittlere Fugenbreiten und
Figur 6
eine Variante der erfindungsgemäßen Vorrichtung zur Kraftübertragung über größere Fugenbreiten.
Some possible exemplary embodiments of the invention are explained in more detail below with reference to the drawings. Here show:
Figure 1
a device according to the invention for power transmission over small joint widths,
Figure 2
a device according to the invention for power transmission over medium joint widths,
Figure 3
a device according to the invention for power transmission over larger joint widths,
Figure 4
a variant of the device according to the invention for power transmission over small joint widths,
Figure 5
a variant of the device for power transmission over small and medium joint widths and
Figure 6
a variant of the device for power transmission over larger joint widths.

Die Figur 1 zeigt den Längsschnitt durch eine Stahlbeton- ober Spannbetonkonstruktion, bei der zwei Bauteile 1 und 2 durch eine relativ schmale Fuge 3 voneinander getrennt sind. Dies kann in der Praxis beispielsweise dadurch bedingt sein, daß eines der beiden oder auch beide Bauteile als Fertigteile vorgefertigt werden. Ein weiterer Grund kann darin liegen, daß zwischen beiden Bauteilen die Schallübertragung unterbunden werden soll. Die Last des links dargestellten Bauteils wird mit dem erfindungsgemäßen,

Figure 00030001
-förmigen Tragelement 4 in den rechten Bauteil eingeleitet. Um einfache, glatte Schalflächen der Betonteile zu erhalten, kann im linken Bauteil zunächst eine Hülse 5 eingebaut werden, in die nach dem Ausschalen das Tragelement gesteckt wird. In diesem Fall wird das Tragelement an der Unterseite der Hülse z. B. mit einer Noppe 6 arretiert. Damit können vom Tragelement Horizontalkräfte auf die Hülse und von dieser über einen unten angeschweißten Riegel 7 weiter in den Beton geleitet werden. Mit Hilfe dieser Kraft und einer gleich großen, entgegengerichteten Kraft, die oben an der Stirnfläche 8 in den Beton geleitet wird, wird das Versatzmoment im Gleichgewicht gehalten. Die in den Beton einbindenden Längen des Tragelements können dadurch extrem kurz gehalten werden. Das Tragelement besteht in diesem Beispiel aus zwei nebeneinander angeordneten Trägern, die oben mit einem Gurtblech 9 verbunden sind. Die Auflagerkräfte können von dem Tragelement entweder direkt auf den Beton oder - wie in der Zeichnung dargestellt - über eine schalldämmende Zwischenkonstruktion 10 abgegeben werden. FIG. 1 shows the longitudinal section through a reinforced concrete or prestressed concrete construction in which two components 1 and 2 are separated from one another by a relatively narrow joint 3. In practice, this can be due to the fact that one of the two or both components are prefabricated as finished parts. Another reason may be that the sound transmission between the two components should be prevented. The load of the component shown on the left is with the inventive
Figure 00030001
-shaped support element 4 introduced into the right component. In order to obtain simple, smooth formwork surfaces of the concrete parts, a sleeve 5 can first be installed in the left component, into which the support element is inserted after stripping. In this case, the support element on the underside of the sleeve z. B. locked with a knob 6. Horizontal forces can thus be passed from the support element onto the sleeve and from there via a bolt 7 welded on below into the concrete. With the help of this force and an equally large, opposing force, which is conducted into the concrete at the top face 8, the offset moment is kept in equilibrium. The lengths of the support element that are incorporated into the concrete can thus be kept extremely short. In this example, the support element consists of two supports arranged side by side, which are connected at the top to a belt plate 9. The support forces can be released from the support element either directly onto the concrete or - as shown in the drawing - via a sound-absorbing intermediate structure 10.

In der Figur 2 ist eine erfindungsgemäße Vorrichtung mit einem Tragelement 11 dargestellt, das die Lasten des linken Bauteils über eine Dehnfuge 12 auf den rechten Bauteil übertragen soll. Um die Funktion der Dehnfuge zu ermöglichen, wird das Tragelement auf einer Seite in einer Hülse 13 gelagert. Um vergleichsweise große Auflagerkräfte aufnehmen zu können, kann auf der Hülse eine Lasteinleitungsplatte 14 angeordnet werden. Die Biegebeanspruchung des Tragelements kann optimal gestaltet werden, indem das Tragelement zusätzlich zum eigentlichen Lasteinleitungsbereich nach links weiter in den Beton geführt und hier mit Hilfe der Hülse und einer an dieser angeschweißten Schaute 15 nach oben verankert wird. Durch die Lastaufnahme links unten und die Lastabgabe rechts oben wird der Beton jeweils günstig auf Druck beansprucht; es werden keine aufwendigen Zusatzbewehrungen benötigt. Im einbetonierten Teil des Tragelements werden die Kräfte günstig mit Hilfe der im Träger angeordneten Aussparungen 16 eingeleitet, so daß hier keine zusätzlichen Druckplatten oder Zugverankerungen benötigt werden. Bei der Kraftübertragung stützt sich das Tragelement mit der unteren rechten Stirnfläche 17 gegen den rechten Betonkörper. Gleichzeitig entsteht im oberen rechten Teil des Tragelements eine gleich große Zugkraft. Das daraus resultierende Moment nimmt einen wesentlichen Teil des entstehenden Versatzmomentes auf. Insgesamt wird durch die gewählte Form und die Anordnung ein äußerst günstiges Tragverhalten erreicht.FIG. 2 shows a device according to the invention with a support element 11 shown that the loads of the left component via an expansion joint 12 on the right component should transfer. To enable the expansion joint to function, the support element is mounted on one side in a sleeve 13. To comparatively To be able to absorb large support forces, a load introduction plate can be on the sleeve 14 are arranged. The bending stress of the support element can be optimally designed by the support element in addition to the actual Load introduction area to the left further into the concrete and here with the help of Sleeve and one welded to this welded 15 is anchored upwards. The concrete is lifted by the load at the bottom left and the load delivery at the top right each favorably stressed; there are no complex additional reinforcements needed. The forces are favorable in the concreted part of the support element initiated with the aid of the recesses 16 arranged in the carrier, so that here none additional pressure plates or tension anchors are required. In the The supporting element is supported by the lower right end face 17 of the transmission against the right concrete body. At the same time, the upper right part of the Carrier element an equal tensile force. The resulting moment takes a substantial part of the resulting offset torque. Overall will due to the chosen shape and the arrangement an extremely favorable carrying behavior reached.

In der Figur 3 ist eine weitere Variante der erfindungsgemäßen Vorrichtung dargestellt, die vorzugsweise zur Aufnahme und Weiterleitung von Auflagerkräften über relativ breite Dämmfugen 18 eingesetzt werden kann. Bei breiten Fugen bietet es sich an, den mittleren Teil 20 des Tragelements 19 geneigt anzuordnen; dadurch wird dieser Teil des Trägers sehr günstig fast ausschließlich mit Normalkräften beansprucht. In der Figur 3 sind beispielhaft beide Seiten des Tragelements fest einbetoniert dargestellt. Die Tragwirkung der einbetonierten Teile entspricht derjenigen des rechten Teils in der Figur 2. Durch die Verlängerung des unteren Trägerteils 21 a bis in den rechts der Finge anschließenden Beton sind wieder die Voraussetzungen für die Aufnahme eines horizontalen Kräftepaars gegeben.3 shows a further variant of the device according to the invention, which are preferably used to absorb and forward support forces relatively wide insulation joints 18 can be used. With wide joints it offers to arrange the central part 20 of the support element 19 inclined; thereby this part of the beam is used very cheaply almost exclusively with normal forces. In FIG. 3, for example, both sides of the support element are firmly concreted in shown. The load-bearing capacity of the parts concreted in corresponds to that the right part in Figure 2. By extending the lower support part 21 a down to the concrete adjoining to the right of the Finge are again the prerequisites given for the absorption of a horizontal pair of forces.

Sollen z. B. Loggiaplatten oder andere Bauteile statisch bestimmt gelagert werden, um Zwängungen in diesen Bauteilen zu vermeiden, müssen sie auf einer Seite längsverschieblich gelagert werden. Dazu können die Tragelemente gemäß Figur 3 mit einer Hülse und der zugehörigen Ausbildung nach Figur 2 kombiniert werden.Should z. B. loggia plates or other components are stored statically determined, To avoid constraints in these components, they must be on one side be stored in a longitudinally displaceable manner. For this purpose, the support elements according to FIG. 3 can be combined with a sleeve and the associated training according to Figure 2.

Die Figur 4 zeigt eine Variante des in Figur 1 dargestellten, erfindungsgemäßen Tragelements 4. Es unterscheidet sich einerseits in der gekrümmten Form des unteren, linken, lastaufnehmenden Teils 21 der Konstruktion. Durch die gekrümmte Form erübrigen sich die in Figur 1 dargestellte Noppe 6 und der zugehörige Riegel 7. Infolge der gekrümmten Form kann dennoch eine nach rechts gerichtete, horizontale Kraftkomponente vom Tragelement über die Hülse in den Beton geleitet werden.FIG. 4 shows a variant of the invention shown in FIG. 1 Support element 4. It differs on the one hand in the curved shape of the lower, left, load-bearing part 21 of the construction. Through the curved The knob 6 shown in FIG. 1 and the associated bolt are unnecessary in shape 7. As a result of the curved shape, a horizontal one pointing to the right can still occur Force component from the support element through the sleeve into the concrete will.

Weiterhin unterscheidet sich das in Figur 4 dargestellte, erfindungsgemäße Tragelement von demjenigen in Figur 1 durch die Verbindung der zwei nebeneinander angeordneten Träger durch eine Gewindehülse 22. Mit Hilfe dieser Hülse kann das erfindungsgemäße Tragelement auch zusätzlich als Transportanker verwendet werden.Furthermore, the support element according to the invention shown in FIG. 4 differs from that in Figure 1 by connecting the two arranged side by side Carrier through a threaded sleeve 22. With the help of this sleeve, the Carrying element according to the invention can also be used as a transport anchor.

In der Figur 5 ist eine weitere Variante eines erfindungsgemäßen Tragelements dargestellt, das sowohl bei kleinen als auch bei mittleren Fugenbreiten vorteilhaft eingesetzt werden kann. Die Lasten des linken Bauteils werden von der erfindungsgemäßen Tragvorrichtung mit Hilfe der zahlreichen Kontaktflächen zwischen Träger und Beton aufgenommen, die durch die Öffnungen 23 und die ausgerundeten Oberflächen 24 des Tragelements gegeben sind. Das entstehende Versatzmoment erhält das Gleichgewicht durch ein horizontales Kräftepaar, mit dem das Tragelement oben nach links gegen den Beton drückt und unten nach rechts zieht. Der Beton überträgt die untere Zugkraft mit Druckspannungen in die an dieser Stelle übliche, eingelegte Bewehrung.5 shows a further variant of a support element according to the invention, this is used to advantage in both small and medium joint widths can be. The loads of the left component are from the invention Carrier with the help of the numerous contact surfaces between carriers and concrete added through the openings 23 and the rounded Surfaces 24 of the support element are given. The resulting offset moment maintains equilibrium through a horizontal pair of forces with which the support element presses against the concrete at the top left and pulls to the right at the bottom. Of the Concrete transfers the lower tensile force with compressive stress into the usual inserted reinforcement.

Die Figur 6 zeigt eine zusätzliche Variante eines erfindungsgemäßen Tragelements 26, das vorzugsweise für die Aufnahme und Weiterleitung von Auflagerkräften über relativ breite Fingen eingesetzt werden kann. Ähnlich wie beim Tragelement 25 gemäß Figur 5 werden zur Lastaufnahme und -abgabe durch Öffnungen 23 und ausgerundete Oberflächen 24 besonders günstige Verhältnisse erreicht. Für die Aufnahme des Versatzmomentes wird das Element unten durch einen Druckstab 27 ergänzt, der die Druckkraft über eine Druckplatte 28 in den rechten Betonte abgibt. FIG. 6 shows an additional variant of a support element according to the invention 26, which is preferably used for the reception and transmission of support forces relatively wide fingers can be used. Similar to the support element 25 according to Figure 5 are rounded for opening and delivery of loads through openings 23 and Surfaces 24 achieved particularly favorable conditions. For receiving of the offset moment, the element is supplemented below by a pressure rod 27, which releases the pressure force via a pressure plate 28 in the right-hand emphasis.

Alle dargestellten Beispiele können gegenüber der gezeichneten Anordnung auch

Figure 00060001
kopfüber" eingebaut werden. Dadurch erhöht sich die Flexibilität für den Einsatz der erfindungsgemäßen Vorrichtungen.All of the examples shown can also be compared to the arrangement shown
Figure 00060001
upside down ". This increases the flexibility for the use of the devices according to the invention.

Bei verschiedenen Varianten der erfindungsgemäßen Tragelemente kann es sinnvoll sein, sie bereits werksmäßig ganz oder teilweise mit Fugenmaterial (z. B. Dämmstoff) zu umschließen und / oder mit Befestigungshilfen (z. B. als Spritzteil aus Kunststoff) zu versehen, so daß sie leicht und mit geringstem Aufwand an der Betonschalung befestigt werden können.With different variants of the support elements according to the invention, it can make sense already fully or partially with joint material (e.g. insulation material) to enclose and / or with fastening aids (e.g. as a molded part Plastic) so that they are easy and with minimal effort on the concrete formwork can be attached.

Claims (12)

Vorrichtung zur Übertragung von Kräften, wie Auflagenkräften, über Fugen von Bauwerken, wie Stahlbeton- oder Spannbetonbauwerken, hinweg, wobei wenigstens ein die Fuge (3, 12, 18) überbrückendes Tragelement (4, 11, 19, 25, 26) vorgesehen ist, das eine zumindest zweischenklige, geknickte Hakenform aufweist und den unteren Bereich des lastabgebenden Bauwerksteils (1) mit dem oberen Bereich des lastaufnehmeden Bauwerksteil (2) verbindet.Device for the transmission of forces, such as support forces, over Joints of structures, such as reinforced concrete or prestressed concrete structures, away, at least one bridging the joint (3, 12, 18) Support element (4, 11, 19, 25, 26) is provided, at least one has two-legged, bent hook shape and the lower Area of the load-releasing structural part (1) with the upper one Area of the load-bearing component (2) connects. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß wenigstens ein Tragelement (4, 11, 19, 26) die Form eines etwa Z-förmigen, zweimal geknickten Doppelhakens mit einem Mittelteil und hieran anschließenden Endstücken aufweist.Device according to claim 1, characterized in that at least one support element (4, 11, 19, 26) has the shape of an approximately Z-shaped, double-kinked double hook with a central part and adjoining end pieces. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Mittelteil (20) in Abhängigkeit von der Fugenbreite nach Art einer Diagonale mehr oder weniger geneigt ist.Device according to claim 2, characterized in that the central part (20) is more or less inclined depending on the joint width in the manner of a diagonal. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß jedes Tragelement (4, 11, 19, 25, 26) nur Teile mit rechteckigen oder mit aus rechteckförmigen Teilflächen zusammengesetzter Querschnittsgrundform aufweist.Device according to one of the preceding claims, characterized in that each support element (4, 11, 19, 25, 26) has only parts with a rectangular cross-sectional shape or with a cross-sectional basic shape composed of rectangular partial surfaces. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens ein Hakenendstück eines Tragelements (4, 11, 19, 25, 26) formschlüssig mit dem zugeordneten Bauwerksteil (1 bzw. 2) zusammenwirkt.Device according to one of the preceding claims, characterized in that at least one hook end piece of a support element (4, 11, 19, 25, 26) interacts positively with the assigned structural part (1 or 2). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens ein Hakenendstück eines Tragelements (4, 11, 25) verschiebbar gegenüber dem zugeordneten Bauwerksteil (1 bzw. 2) angeordnet ist. Device according to one of the preceding claims, characterized in that at least one hook end piece of a support element (4, 11, 25) is arranged displaceably with respect to the assigned structural part (1 or 2). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens ein Bauwerksteil mit einer unverschieblich angeordneten, vorzugsweise mit einer Lasteneinleitungsplatte (14) ausgestatteten Hülse (5, 13) versehen ist, in der ein einschiebbares Hakenendstück mit oder ohne Verschiebefreiheitsgrad gelagert ist.Device according to one of the preceding claims, characterized in that at least one structural part is provided with a non-displaceably arranged sleeve (5, 13), preferably equipped with a load introduction plate (14), in which a retractable hook end piece with or without a degree of freedom of movement is mounted. Vorrichtung nach einem der vorhergehenden Ansprüche 5 bis 7, dadurch gekennzeichnet, daß das formschlüssig mit dem zugeordneten Bauwerksteil (1 bzw. 2) zusammenwirkende Hakenendstück mit wenigstens einem mit Beton ausfüllbaren, als Sackloch und/oder Durchgangsloch (23) und/oder Randprofilierung (24) ausgebildeten Nischenbereich versehen ist.Device according to one of the preceding claims 5 to 7, characterized in that the hook end piece, which interacts positively with the associated structural part (1 or 2), with at least one fillable with concrete, as a blind hole and / or through hole (23) and / or edge profile (24 ) trained niche area. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zumindest ein Hakenendstück (21) vorzugsweise das lastaufnehmende Endstück (21) eines Tragelements (4) so gekrümmt oder gebogen ist, daß neben einer vertikalen auch eine horizontale Kraftkomponente aufnehmbar ist.Device according to one of the preceding claims, characterized in that at least one hook end piece (21), preferably the load-bearing end piece (21) of a support element (4), is curved or bent in such a way that a horizontal force component can also be absorbed in addition to a vertical one. Vorrichtung nach einem der vorhergehenden Ansprüche 2 bis 9 dadurch gekennzeichnet, daß das Tragelement (11, 19, 26) im Bereich eines Hakenendstücks am dem anderen Hakenendstück zugeordneten Bauwerksteil abgestützt ist.Device according to one of the preceding claims 2 to 9, characterized in that the support element (11, 19, 26) is supported in the region of a hook end piece on the structural part assigned to the other hook end piece. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens ein Hakenendstück oder eine diesem gegebenenfalls zugeordnete Hülse (13) mittels eines vorzugsweise als Schlaufe (15) ausgebildeten Aufsatzes im zugeordneten Bauwerksteil verankert ist.Device according to one of the preceding claims, characterized in that at least one hook end piece or a sleeve (13) possibly associated therewith is anchored in the assigned structural part by means of an attachment which is preferably designed as a loop (15). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens ein Tragelement (4, 11, 19, 25, 26) aus mehreren mittels eines vorzugsweise einen Transportanker bildenden Verbindungselements miteinander verbundenen, nebeneinander angeordneten Einzelelementen besteht.Device according to one of the preceding claims, characterized in that at least one support element (4, 11, 19, 25, 26) consists of a plurality of individual elements which are connected to one another and are arranged next to one another by means of a connecting element which preferably forms a transport anchor.
EP97114443A 1996-08-29 1997-08-21 Device for transmitting the forces in construction joints Expired - Lifetime EP0826847B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29615016U DE29615016U1 (en) 1996-08-29 1996-08-29 Device for power transmission in building joints
DE29615016U 1996-08-29

Publications (3)

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EP0826847A2 true EP0826847A2 (en) 1998-03-04
EP0826847A3 EP0826847A3 (en) 1999-04-21
EP0826847B1 EP0826847B1 (en) 2005-04-27

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AT (1) ATE294298T1 (en)
DE (2) DE29615016U1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221458A (en) * 1962-06-11 1965-12-07 A A Wire Products Co Shear transfer tie
DE3318330A1 (en) * 1983-05-19 1984-12-13 Hansjörg Dipl.-Ing. 7542 Schömberg Braun Device for connecting a balcony slab to an intermediate floor
EP0133875A1 (en) * 1983-08-03 1985-03-13 Eberhard Schöck Insulated construction element for buildings
DE3422905A1 (en) * 1984-06-20 1986-01-02 Hansjörg Dipl.-Ing. 7542 Schömberg Braun Apparatus for connecting a balcony slab and an intermediate floor
EP0388692A1 (en) * 1989-03-20 1990-09-26 Egco Ag Insulated connecting element for a cantilever slab
DE4424278A1 (en) * 1994-07-01 1996-01-04 Frank Gmbh & Co Kg Max Concrete component embedded sleeve for bolt of adjacent component

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221458A (en) * 1962-06-11 1965-12-07 A A Wire Products Co Shear transfer tie
DE3318330A1 (en) * 1983-05-19 1984-12-13 Hansjörg Dipl.-Ing. 7542 Schömberg Braun Device for connecting a balcony slab to an intermediate floor
EP0133875A1 (en) * 1983-08-03 1985-03-13 Eberhard Schöck Insulated construction element for buildings
DE3422905A1 (en) * 1984-06-20 1986-01-02 Hansjörg Dipl.-Ing. 7542 Schömberg Braun Apparatus for connecting a balcony slab and an intermediate floor
EP0388692A1 (en) * 1989-03-20 1990-09-26 Egco Ag Insulated connecting element for a cantilever slab
DE4424278A1 (en) * 1994-07-01 1996-01-04 Frank Gmbh & Co Kg Max Concrete component embedded sleeve for bolt of adjacent component

Also Published As

Publication number Publication date
ATE294298T1 (en) 2005-05-15
DE29615016U1 (en) 1996-12-05
EP0826847A3 (en) 1999-04-21
EP0826847B1 (en) 2005-04-27
DE59710947D1 (en) 2003-12-11

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