EP2130984A2 - Load distribution body with profile carrier system - Google Patents

Load distribution body with profile carrier system Download PDF

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Publication number
EP2130984A2
EP2130984A2 EP09005799A EP09005799A EP2130984A2 EP 2130984 A2 EP2130984 A2 EP 2130984A2 EP 09005799 A EP09005799 A EP 09005799A EP 09005799 A EP09005799 A EP 09005799A EP 2130984 A2 EP2130984 A2 EP 2130984A2
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EP
European Patent Office
Prior art keywords
plate
sleeve
mandrel
anchoring
transverse force
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EP09005799A
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German (de)
French (fr)
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EP2130984B1 (en
EP2130984A3 (en
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Industrieberatung Maier AG
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Industrieberatung Maier AG
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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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
    • 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

Definitions

  • the present invention relates to a load distribution body with profile carrier system according to the preamble of patent claim 1.
  • the actual element that connects the components - the mandrels - are usually made of normal or stainless steel.
  • the anchorages in the components have the task of removing as much as possible the loads introduced by the mandrels and lateral forces in the concrete substance. If this is not possible, or if the loads and shear forces are generally too great, there is a risk that the concrete breaks out at the points where it is exposed to high tensile forces or punctually occurring shearing and compressive forces.
  • the horizontal relative mobility over the joint is achieved by anchoring in one component a device having a mandrel.
  • a device is anchored which receives the mandrel of the opposite side in a sliding sleeve.
  • the mandrel is fitted in the installed state in the sliding sleeve so that it has enough clearance and can slide in it, if required by thermal expansion or other external influences for the horizontal relative movement of the components to each other. This is necessary and must be ensured that the lateral forces are transmitted by the device at any time.
  • the dimensioning is prescribed by the structural engineer and the elements must be installed in the prescribed shape and dimension.
  • Suppliers such load-bearing devices with thorns resp. Sliding sleeves therefore have a large number of different dimensions and qualities in stock in order to be able to offer the pairings that are suitable for statics and dimensioning of the components.
  • the present invention has the object to improve a load distribution body for receiving shear force mandrels and sleeves of the type mentioned in such a way that for larger distances between the components necessarily wider joints with economically dimensioned elements can be bridged without therefore mandrels with undesirably large diameters to use.
  • Load distribution body ( Fig. 3 ), consist of two respectively anchored in the two structures parts, a mandrel part 1 and a sleeve part 2.
  • the mandrels 10,10 'and the sleeves 20,20' are each connected via anchoring rods 15,25 with at least one anchoring plate 14,24 to the load distribution of the mandrel plate 11 in one component and the sleeve plate 21 in the other component in each case inside the support appropriate components.
  • the principle is in Fig. 1 and the situation for the mandrel part 1 in Fig. 2 shown in perspective.
  • the mandrel plate 11, the sleeve plate 21 and the anchoring plates 14,24 can for receiving the anchoring rods 15,25 of the sleeves 20,20 'and the mandrels 10,10' have holes in an imaginable on the surface coordinate system with x and y on the same positions are arranged.
  • the diameter of the mandrel bores 17 for mandrels 10,10 'and the sleeve bores 27 are chosen for the sleeves 20,20', while the holes 7 are carried out for the anchoring rods 15,25 equal in all plates.
  • Anchoring plates 14,24, mandrel plate 11 and sleeve plate 21 are arranged approximately parallel to each other surface. All of these plates 14,24,11 and 21 have similar dimensions.
  • the anchoring rods 14,24 are approximately perpendicular to the surfaces of the plates 14,24,11 and 21 and are firmly connected thereto.
  • the mandrel plate 11, the sleeve plate 21 and the anchoring plates 14, 24 can be bent outside the anchoring rods 15, 25. Such bent ends cause an even better anchoring in the concrete to ensure the transmission of moments.
  • a further improvement in anchoring in concrete can also be achieved with the use of ribbed anchoring rods 15,25.
  • protruding ends of the anchoring rods bring better anchorage. These can be, for example, connection loops, end plates, hooks or end buttons.
  • a transverse force plate 3 between the spines 10 and 10 ' is inserted.
  • This transverse force plate 3 is at least connected to the spikes 10,10 'non-positively.
  • the connection is normally a welded connection, but it may also be realized with a gluing, screwing or other connection method, in particular if this transverse force reinforcement in the joint would have to be made after installation for some reason.
  • Fig. 4 The effect of this transverse force plate 3 is in Fig. 4 shown. If only the mandrels 10, 10 'transmit the transverse force in the region of the joint, their flexibility causes a deformation ⁇ in the vertical direction. In order to demonstrate the influence of the choice of construction on the deformation and how close the possibilities are to achieve the desired stiffnesses with conventional structural steels, Fig. 5 represented by computational models examined Models shown. The different types of construction indicate the deformations with the same joint width, the same lateral force Q, the same modulus of elasticity and the same mass of the materials used:
  • the preparation Fig. 5 shows clearly how close the possibilities are to achieve the desired stiffnesses in the vertical direction by the use of conventional reinforcing bars.
  • the representation "frame” shows that the deformation ⁇ is much smaller when the mandrels 10,10 'with a transverse force plate 3 (in Fig. 5 Named "disc").

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Handcart (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The unit has a bolt part (1) and a sleeve part, where anchorage plates (14) on the bolt part exhibit same bolt holes as a bolt plate (11). Anchorage plates (24) on a sleeve part (2) exhibit same sleeve holes as a sleeve plate (21). The holes are arranged on a matrix x-y with respect to the bolt plate, sleeve plate, and anchorage plates at same positions of the axes x and y. A transverse force plate (3) is arranged in a region of a joint, where length (L) of the force plate corresponds to maximum joint width (F). A mechanical unit is connected with bolts (10, 10') in a force fit manner.

Description

Die vorliegende Erfindung betrifft einen Lastverteilkörper mit Profilträgersystem gemäss Oberbegriff des Patentanspruchs 1.The present invention relates to a load distribution body with profile carrier system according to the preamble of patent claim 1.

Für die Verbindung von Bauteilen insbesondere solchen die der Aufnahme der Relativbewegungen von Platten oder Konstruktionsteilen aus Beton dienen sind viele Lösungen bekannt. Der Stand der Technik ist in der Patentliteratur gut dokumentiert und breit abgestützt. So wird z.B. in der Patentschrift EP 0 127 631 ein Schubdübel aus zwei Elementen vorgestellt. Das Patent beschreibt zwei zu einander parallele Dorne und zwei zueinander parallele Hülsen.Many solutions are known for the connection of components, in particular those which serve to absorb the relative movements of concrete panels or construction parts. The prior art is well documented and widely supported in the patent literature. For example, in the patent EP 0 127 631 a Schubdübel presented from two elements. The patent describes two parallel mandrels and two mutually parallel sleeves.

Bereits Mitte des letzten Jahrhunderts wurden in den USA zu diesem Thema viele Patente angemeldet, die vor allem die Verbindung über Dilatationsfugen zwischen Betonplatten im Strassen- und Brückenbau zum Inhalt hatten. Seither sind auch in Europa viele Entwicklungen zur Verbesserung vorgeschlagen und viele Patente eingereicht und erteilt worden, die sich mit demselben Problem im Hausbau befassen. Alle diese Entwicklungen lastabtragender Vorrichtungen gehen naturgemäss davon aus, dass in beiden Bauteilen eine Vorrichtung fest verankert ist.As early as the middle of the last century, many patents were filed in the US on this subject, which mainly involved the connection via dilatation joints between concrete slabs in road and bridge construction. Since then many improvements have been proposed in Europe and many patents have been filed and issued dealing with the same problem in house building. All these developments of load-bearing devices go naturally assumes that a device is firmly anchored in both components.

Das eigentliche Element das die Bauteile verbindet - die Dorne - sind in der Regel aus normalem oder aus nicht rostendem Stahl. Die Verankerungen in den Bauteilen haben die Aufgabe, die durch die Dorne eingebrachten Lasten und Querkräfte in der Betonsubstanz möglichst gleichmässig abzutragen. Gelingt dies nicht, oder sind die Lasten und Querkräfte grundsätzlich zu gross, besteht die Gefahr, dass der Beton an den Stellen ausbricht, an denen er grossen Zugkräften oder punktuell auftretenden Scher- und Druckkräften ausgesetzt ist.The actual element that connects the components - the mandrels - are usually made of normal or stainless steel. The anchorages in the components have the task of removing as much as possible the loads introduced by the mandrels and lateral forces in the concrete substance. If this is not possible, or if the loads and shear forces are generally too great, there is a risk that the concrete breaks out at the points where it is exposed to high tensile forces or punctually occurring shearing and compressive forces.

Die horizontale relative Beweglichkeit über die Fuge wird dadurch erreicht, dass im einen Bauteil eine Vorrichtung verankert wird, die einen Dorn aufweist. Im andern Bauteil ist eine Vorrichtung verankert die in einer Gleithülse den Dorn der Gegenseite aufnimmt. Der Dorn wird im eingebauten Zustand in die Gleithülse gepasst, so dass er genügend Spiel hat und darin gleiten kann, falls dies durch Wärmedehnung oder andere äussere Einflüsse für die horizontale relative Bewegung der Bauteile zueinander erforderlich ist. Dabei ist erforderlich und muss gewährleistet sein, dass die Querkräfte durch die Vorrichtung zu jedem Zeitpunkt übertragen werden.The horizontal relative mobility over the joint is achieved by anchoring in one component a device having a mandrel. In the other component, a device is anchored which receives the mandrel of the opposite side in a sliding sleeve. The mandrel is fitted in the installed state in the sliding sleeve so that it has enough clearance and can slide in it, if required by thermal expansion or other external influences for the horizontal relative movement of the components to each other. This is necessary and must be ensured that the lateral forces are transmitted by the device at any time.

Beide lastabtragenden Vorrichtungen, die mit Dorn und die mit Gleithülse, müssen aufeinander und auf die zu übertragenden Kräfte abgestimmt und ausgelegt werden. Die Dimensionierung wird durch den Baustatiker vorgeschrieben und die Elemente müssen in der vorgeschriebenen Form und Dimension eingebaut werden. Lieferanten solcher lastabtragender Vorrichtungen mit Dornen resp. Gleithülsen legen deshalb eine Vielzahl verschiedener Dimensionen und Qualitäten an Lager, um die für Statik und Dimensionierung der Bauteile entsprechenden Paarungen anbieten zu können.Both load-bearing devices, with the mandrel and the sliding sleeve, must be matched and designed with each other and on the forces to be transmitted. The dimensioning is prescribed by the structural engineer and the elements must be installed in the prescribed shape and dimension. Suppliers such load-bearing devices with thorns resp. Sliding sleeves therefore have a large number of different dimensions and qualities in stock in order to be able to offer the pairings that are suitable for statics and dimensioning of the components.

Die schlanke Dimensionierung lastabtragender Vorrichtungen mit Dorn und Gleithülse gewinnt mit Einsatz moderner Materialien und Bauweisen an Bedeutung. Betonbauteile können heute knapper und schlanker dimensioniert werden, da die Materialien homogener sind und dadurch die angegebenen Materialeigenschaften genauer bestimmt werden können. Wenn schlankere Bauteile eingesetzt werden, bleibt für die lastabtragenden Vorrichtungen naturgemäss weniger Platz. Die relevanten Elemente sind dabei die Verankerungen im Beton und vor allem natürlich die Dimensionierung und Qualität der lastabtragenden Vorrichtungen in den Bauteilen. Je gleichmässiger die Übertragung der Kräfte von der lastabtragenden Vorrichtung auf den Beton erfolgt, desto kleiner sind die lokal auftretenden Kräfte und desto kleiner kann die Dicke eines Bauteiles aus armiertem Beton dimensioniert werden.The lean dimensioning of load-bearing devices with mandrel and sliding sleeve gains in importance with the use of modern materials and construction methods. Concrete components can now be made shorter and leaner because the materials are more homogeneous and thus the specified material properties can be determined more accurately. When slimmer components are used, naturally less space is left for the load-bearing devices. The relevant elements are the anchorages in the concrete and, of course, the Dimensioning and quality of load-bearing devices in the components. The more uniform the transmission of the forces from the load-bearing device to the concrete, the smaller the locally occurring forces and the smaller the thickness of a component made of reinforced concrete can be dimensioned.

Für die Übertragung von grossen Kräften ist die in EP 0 127 631 vorgestellte Vorrichtung z.B. nicht optimal. Senkrecht eingebaute Platten, mit denen die Stahldorne und die Hülsen verbunden sind, ergeben zwar gegenüber andern Anordnungen eine wesentlich verbesserte Lastverteilung im Beton. Sie sind aber aufwändig in der Herstellung und erfordern für jede Dimension eine eigene Paarung und Verbindung die in der Werkstatt vorbereitet und an Lager gehalten werden muss, damit auch kurzfristig geliefert werden kann.For the transfer of large forces is the in EP 0 127 631 presented device eg not optimal. Although vertically installed plates, with which the steel mandrels and the sleeves are connected, result in comparison to other arrangements a significantly improved load distribution in the concrete. However, they are complex to produce and require for each dimension of their own pairing and compound which must be prepared in the workshop and kept in stock so that it can be delivered at short notice.

Alle bisher bekannten Vorrichtungen, wie auch zum Beispiel die in EP 1 329 563 A1 beschriebene, gehen davon aus, dass die eine Fuge bildende Distanz zwischen den Bauteilen die es zu Überbrücken gilt, nur wenige cm beträgt. Weil die Querkräfte im Bereich der Fuge durch die Dorne übernommen werden müssen, würde eine grössere zu überbrückende Distanz grössere Dimensionierung derselben erfordern. Dies wiederum ist nicht im Sinne der Erfindung, da man wie oben beschrieben möglichst Teile anstrebt die es zulassen, mit den modernen Betonsorten grösserer Festigkeit, platzsparend bauen zu können.All previously known devices, such as those in EP 1 329 563 A1 described, assume that the gap forming a gap between the components which it is considered to bridge, is only a few inches. Because the lateral forces in the region of the joint must be taken over by the mandrels, a larger distance to be bridged would be greater Dimensioning the same require. This, in turn, is not within the meaning of the invention, since, as described above, as many parts as possible are intended to be able to build space-savingly with the modern concrete types of greater strength.

Die vorliegende Erfindung stellt sich die Aufgabe einen Lastverteilkörper für die Aufnahme von Querkraftdornen und Hülsen der eingangs genannten Art derart zu verbessern, dass für grössere Abstände der Bauteile auch dadurch notwendigerweise breitere Fugen mit wirtschaftlich dimensionierten Elemente überbrückt werden können, ohne deshalb Dorne mit unerwünscht grossen Durchmessern verwenden zu müssen.The present invention has the object to improve a load distribution body for receiving shear force mandrels and sleeves of the type mentioned in such a way that for larger distances between the components necessarily wider joints with economically dimensioned elements can be bridged without therefore mandrels with undesirably large diameters to use.

Diese Aufgabe löst ein "Lastverteilkörper mit Profilträgersystem" mit den Merkmalen des Patentanspruches 1. Weitere erfindungsgemässe Merkmale gehen aus den abhängigen Ansprüchen hervor und deren Vorteile sind in der nachfolgenden Beschreibung erläutert.This object is achieved by a "load distribution body with profile carrier system" with the features of claim 1. Further inventive features will become apparent from the dependent claims and the advantages thereof are explained in the following description.

In der Zeichnung zeigt:

Fig 1
Perspektivische Ansicht, Prinzip Lastverteilkörper
Fig 2
Perspektivische Darstellung eines Dornteiles mit Querkraftplatte
Fig 3
Schnittzeichnung eines eingebauten Lastverteilkörpers
Fig 4
Verformung von Fachwerken und Rahmen
Fig 5
Verformung von Fachwerken und Rahmen
In the drawing shows:
Fig. 1
Perspective view, principle load distribution body
Fig. 2
Perspective view of a mandrel part with transverse force plate
Fig. 3
Sectional drawing of a built-in load distribution body
Fig. 4
Deformation of trusses and frames
Fig. 5
Deformation of trusses and frames

Die Figuren stellen bevorzugte Ausführungsbeispiele dar, welche mit der nachfolgenden Beschreibung erläutert werden.The figures represent preferred embodiments, which are explained with the following description.

Positionen LastverteilkörperPositions load distribution body

11
Dornteilmandrel part
22
Hülsenteilsleeve part
33
QuerkraftplatteShear plate
77
Bohrungen (für die Verankerungsstäbe)Holes (for the anchoring rods)
1010
Dornmandrel
1111
Dornplatte (Dorn-Lastverteilplatte)Mandrel plate (mandrel load distribution plate)
1414
Verankerungsplatte DornseitigAnchoring plate Dornseitig
1515
Verankerungsstab DornseitigAnchor rod on the spine side
1717
Dornbohrungthorn hole
2020
Hülseshell
2121
Hülsenplatteshell plate
2424
Verankerungsplatte HülsenseitigAnchoring plate sleeve side
2525
Verankerungsstab HülsenseitigAnchor rod sleeve side
2727
Hülsenbohrungsleeve bore
FF
Breite der FugeWidth of the joint
LL
Länge der QuerkraftplatteLength of the transverse force plate

Lastverteilkörper (Fig 3), bestehen aus zwei jeweils in den beiden Baukörpern verankerten Teilen, einem Dornteil 1 und einem Hülsenteil 2. Die Dorne 10,10' sind mit einer Dornplatte 11 verbunden, welche die Aufgabe hat die Lasteinleitung im Bauteil so zu verteilen, dass nirgends eine Lastspitze entsteht, die den Beton zerstören könnte. Die Hülsen 20,20' sind mit einer Hülsenplatte 21 verbunden, welche die Aufgabe hat die Lasteinleitung im Bauteil so zu verteilen, dass nirgends eine Lastspitze entsteht, die den Beton zerstören könnte. Die Dorne 10,10' und die Hülsen 20,20' sind jeweils über Verankerungsstäbe 15,25 mit mindestens einer Verankerungsplatte 14,24 verbunden, um die Lastverteilung von der Dornplatte 11 im einen Bauteil und der Hülsenplatte 21 im andern Bauteil jeweils im inneren der entsprechenden Bauteile abzustützen. Das Prinzip ist in Fig 1 und die Situation für den Dornteil 1 in Fig 2 perspektivisch dargestellt.Load distribution body ( Fig. 3 ), consist of two respectively anchored in the two structures parts, a mandrel part 1 and a sleeve part 2. The mandrels 10,10 'are connected to a mandrel plate 11, which has the task of distributing the load distribution in the component so that nowhere a peak load arises, which could destroy the concrete. The sleeves 20,20 'are connected to a sleeve plate 21, which has the task of distributing the load transfer in the component so that nowhere arises a peak load that could destroy the concrete. The mandrels 10,10 'and the sleeves 20,20' are each connected via anchoring rods 15,25 with at least one anchoring plate 14,24 to the load distribution of the mandrel plate 11 in one component and the sleeve plate 21 in the other component in each case inside the support appropriate components. The principle is in Fig. 1 and the situation for the mandrel part 1 in Fig. 2 shown in perspective.

Die Dornplatte 11, die Hülsenplatte 21 und die Verankerungsplatten 14,24 können zur Aufnahme der Verankerungsstäbe 15,25 der Hülsen 20,20' beziehungsweise der Dorne 10,10' Bohrungen aufweisen, die in einem auf der Fläche vorstellbaren Koordinatensystem mit x und y auf denselben Positionen angeordnet sind. Natürlich ist klar, dass die Durchmesser der Dornbohrungen 17 für Dorne 10,10' und die Hülsenbohrungen 27 für die Hülsen 20,20' gewählt werden, während die Bohrungen 7 für die Verankerungsstäbe 15,25 in allen Platten gleich ausgeführt werden.The mandrel plate 11, the sleeve plate 21 and the anchoring plates 14,24 can for receiving the anchoring rods 15,25 of the sleeves 20,20 'and the mandrels 10,10' have holes in an imaginable on the surface coordinate system with x and y on the same positions are arranged. Of course, it is clear that the diameter of the mandrel bores 17 for mandrels 10,10 'and the sleeve bores 27 are chosen for the sleeves 20,20', while the holes 7 are carried out for the anchoring rods 15,25 equal in all plates.

Verankerungsplatten 14,24, Dornplatte 11 und Hülsenplatte 21 sind zueinander in etwa flächenparallel angeordnet. Alle diese Platten 14,24,11 und 21 weisen ähnliche Dimensionen auf. Die Verankerungsstäbe 14,24 verlaufen ungefähr rechtwinklig zu den Flächen der Platten 14,24,11 und 21 und sind mit diesen fest verbunden.Anchoring plates 14,24, mandrel plate 11 and sleeve plate 21 are arranged approximately parallel to each other surface. All of these plates 14,24,11 and 21 have similar dimensions. The anchoring rods 14,24 are approximately perpendicular to the surfaces of the plates 14,24,11 and 21 and are firmly connected thereto.

Um dem Dornteil 1 bzw. dem Hülsenteil 2 in den Bauteilen noch besseren Halt zu geben, können Dornplatte 11, Hülsenplatte 21 und Verankerungsplatten 14,24 ausserhalb der Verankerungsstäbe 15,25 gebogen sein. Solchermassen abgebogene Enden bewirken eine noch bessere Verankerung im Beton, um die Übertragung von Momenten sicher zu stellen. Eine weitere Verbesserung der Verankerung im Beton kann man auch mit dem Einsatz gerippter Verankerungsstäbe 15,25 erreichen. Auch zusätzlich eingesetzte Mittel an den im Beton befindlichen und über die Verankerungsplatten in die Betonteile hinausragenden Enden der Verankerungsstäbe bringen bessere Verankerung. Dies können z.B. Verbindungsschlaufen, Endplatten, Haken oder Endknöpfe sein.In order to give the mandrel part 1 or the sleeve part 2 even better support in the components, the mandrel plate 11, the sleeve plate 21 and the anchoring plates 14, 24 can be bent outside the anchoring rods 15, 25. Such bent ends cause an even better anchoring in the concrete to ensure the transmission of moments. A further improvement in anchoring in concrete can also be achieved with the use of ribbed anchoring rods 15,25. Also used in addition to the means located in the concrete and the anchoring plates in the concrete parts protruding ends of the anchoring rods bring better anchorage. These can be, for example, connection loops, end plates, hooks or end buttons.

Um in der Fuge die Distanz zwischen Baukörpern vergrössern zu können, wird (Fig 2,3) auf der Seite der Dornplatte 11 eine Querkraftplatte 3 zwischen den Dornen 10 und 10' eingefügt. Diese Querkraftplatte 3 wird zumindest mit den Dornen 10,10' kraftschlüssig verbunden. Die Verbindung ist normalerweise eine Schweissverbindung, kann aber auch, insbesondere wenn diese Querkraftverstärkung in der Fuge aus irgendwelchen Gründen nach dem Einbau vorgenommen werden müsste, mit einer Kleb-, Schraub- oder andern Verbindungsmethoden realisiert werden.In order to increase the distance between structures in the joint, ( Fig. 2 . 3 ) on the side of the mandrel plate 11, a transverse force plate 3 between the spines 10 and 10 'is inserted. This transverse force plate 3 is at least connected to the spikes 10,10 'non-positively. The connection is normally a welded connection, but it may also be realized with a gluing, screwing or other connection method, in particular if this transverse force reinforcement in the joint would have to be made after installation for some reason.

Die Wirkung dieser Querkraftplatte 3 wird in Fig 4 dargestellt. Wenn nur die Dorne 10,10' die Querkraft im Bereich der Fuge übertragen, entsteht durch deren Flexibilität eine Verformung δ in der vertikalen Richtung. Um aufzuzeigen, welchen Einfluss die Wahl der Konstruktion auf die Verformung ausübt und wie eng die Möglichkeiten sind, mit konventionellen Baustählen die gewünschten Steifigkeiten zu erreichen, werden in Fig 5 dargestellt, durch Rechenmodelle untersuchte Modelle aufgezeigt. Die verschiedenen Aufbauweisen geben die Deformationen bei gleicher Fugenbreite, gleicher Querkraft Q, gleichem Elastizitätsmodul und gleicher Masse der eingesetzten Materialien an:The effect of this transverse force plate 3 is in Fig. 4 shown. If only the mandrels 10, 10 'transmit the transverse force in the region of the joint, their flexibility causes a deformation δ in the vertical direction. In order to demonstrate the influence of the choice of construction on the deformation and how close the possibilities are to achieve the desired stiffnesses with conventional structural steels, Fig. 5 represented by computational models examined Models shown. The different types of construction indicate the deformations with the same joint width, the same lateral force Q, the same modulus of elasticity and the same mass of the materials used:

Die Aufstellung Fig 5 zeigt deutlich, wie eng die Möglichkeiten sind, durch den Einsatz von konventionellen Bewehrungsstäben die erwünschten Steifigkeiten in vertikaler Richtung zu erreichen. Die Darstellung "Rahmen" zeigt, dass die Verformung δ sehr viel kleiner ist, wenn die Dorne 10,10' mit einer Querkraftplatte 3 (in Fig 5 "Scheibe" benannt) verbunden sind.The preparation Fig. 5 shows clearly how close the possibilities are to achieve the desired stiffnesses in the vertical direction by the use of conventional reinforcing bars. The representation "frame" shows that the deformation δ is much smaller when the mandrels 10,10 'with a transverse force plate 3 (in Fig. 5 Named "disc").

Claims (6)

Lastverteilkörper mit Profilträgersystem bestehend aus zwei Teilen, einem Dornteil (1) und einem Hülsenteil (2), wobei der Dornteil (1) mindestens durch zwei Dorne (10,10') mit einer Dornplatte (11) und mindestens einer Verankerungsplatte (14) sowie durch Verankerungsstäbe (15) fest verbunden ist, und der Hülsenteil (2) mindestens durch zwei Hülsen (20,20') mit einer Hülsenplatte (21) und mindestens einer Verankerungsplatte (24) sowie durch Verankerungsstäbe (25) fest verbunden ist, wobei der Hülsenteil (2) Hülsen (20,20') aufweist, in welche jeweils die Dorne (10,10') passen, wobei die Dorne (10,10') und die Hülsen (20,20') auf denselben Achsen liegen und die Dornplatte (11), die Hülsenplatte (21) und alle Verankerungsplatten (14,24) flächenparallel angeordnet sind und die Verankerungsplatten (14,24) jeweils mit den Verankerungsstäben (15,25) fest verbunden sind, wobei die Verankerungsplatten (14) auf dem Dornteil (1) gleich viele Dornbohrungen (17) aufweisen wie die Dornplatte (11) und die Verankerungsplatten (24) auf dem Hülsenteil (2) gleich viele Hülsenbohrungen (27) aufweisen wie die Hülsenplatte (21), und die Dornbohrungen (17) sowie die Hülsenbohrungen (27) flächengeometrisch auf eine Matrix x-y bezogen auf der Dornplatte (11), der Hülsenplatte (21) und allen Verankerungsplatten (14,24) an denselben Positionen der Achsen x und y befinden, dadurch gekennzeichnet, dass im Bereich der Fuge eine Querkraftplatte (3) angeordnet ist, die in ihrer Länge (L) maximal der Fugenbreite (F) entspricht und mittels mechanischer Mittel, mindestens mit den Dornen (10,10') kraftschlüssig verbunden ist.Lastverteilkörper with profile carrier system consisting of two parts, a mandrel part (1) and a sleeve part (2), wherein the mandrel part (1) at least two mandrels (10,10 ') with a mandrel plate (11) and at least one anchoring plate (14) and is firmly connected by anchoring rods (15), and the sleeve part (2) at least by two sleeves (20,20 ') with a sleeve plate (21) and at least one anchoring plate (24) and by anchoring rods (25) is firmly connected, wherein the Sleeve part (2) sleeves (20,20 '), in which each of the mandrels (10,10') fit, the mandrels (10,10 ') and the sleeves (20,20') lie on the same axes and the Mandrel plate (11), the sleeve plate (21) and all anchoring plates (14,24) are arranged surface parallel and the anchoring plates (14,24) respectively fixed to the anchoring rods (15,25), wherein the anchoring plates (14) on the Dorn part (1) the same number of mandrel bores (17) as the Dor nplatte (11) and the anchoring plates (24) on the sleeve part (2) have the same number of sleeve bores (27) as the sleeve plate (21), and the mandrel bores (17) and the sleeve bores (27) area geometry on a matrix xy relative to the mandrel plate (11), the sleeve plate (21) and all anchoring plates (14,24) located at the same positions of the axes x and y, characterized in that arranged in the region of the joint, a transverse force plate (3) is that in its length (L) corresponds to the maximum of the joint width (F) and by means of mechanical means, at least with the spikes (10,10 ') is non-positively connected. Lastverteilkörper gemäss Anspruch 1, dadurch gekennzeichnet, dass die Dicke der Querkraftplatte (3) im Maximum die den Durchmessern der Dorne (10,10') entsprechende Ausdehnung aufweist.Lastverteilkörper according to claim 1, characterized in that the thickness of the transverse force plate (3) in the maximum has the diameters of the mandrels (10,10 ') corresponding expansion. Lastverteilkörper gemäss Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Querkraftplatte (3) mittels Schweissverbindung zumindest mit den Dornen (10,10') kraftschlüssig verbunden ist.Lastverteilkörper according to claims 1 and 2, characterized in that the transverse force plate (3) by means of welding connection at least with the spikes (10,10 ') is non-positively connected. Lastverteilkörper gemäss Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Querkraftplatte (3) mittels Klebverbindung zumindest mit den Dornen (10,10') kraftschlüssig verbunden ist.Lastverteilkörper according to claims 1 and 2, characterized in that the transverse force plate (3) by means of adhesive bonding at least with the spikes (10,10 ') is non-positively connected. Lastverteilkörper gemäss Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Querkraftplatte (3) mittels Schraubverbindung zumindest mit den Dornen (10,10') kraftschlüssig verbunden ist.Lastverteilkörper according to claims 1 and 2, characterized in that the transverse force plate (3) by means of Screw is at least connected to the spikes (10,10 ') non-positively. Lastverteilkörper gemäss Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Querkraftplatte (3) mittels Klemmverbindung zumindest mit den Dornen (10,10') kraftschlüssig verbunden ist.Lastverteilkörper according to claims 1 and 2, characterized in that the transverse force plate (3) by means of clamping connection at least with the spikes (10,10 ') is non-positively connected.
EP09005799.3A 2008-06-04 2009-04-25 Load distribution body with profile carrier system Active EP2130984B1 (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN105588759A (en) * 2016-01-22 2016-05-18 北京航空航天大学 Test method for indirectly measuring bolt load distribution proportion in damage process of composite multi-bolt joint structure
CN109339228A (en) * 2018-10-10 2019-02-15 湖南大学 A kind of bolt fastening structure of full prefabricated concrete structure bean column node
CN110318472A (en) * 2019-07-04 2019-10-11 山东建筑大学 Steel core concrete column and armored concrete Prefabricated beam connection structure and connection method
CN113152669A (en) * 2021-03-22 2021-07-23 河北工业大学 Assembly type reinforced concrete column and column splicing structure and method

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Publication number Priority date Publication date Assignee Title
CN109518803B (en) * 2018-11-17 2020-08-18 李秀娟 Precast concrete beam with high-strength connecting nodes

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EP0127631A1 (en) 1982-12-01 1984-12-12 Anton Erb Dowel.
EP1329563A1 (en) 2002-01-21 2003-07-23 Industrieberatung Maier AG Load spreading body

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DE19543768A1 (en) * 1995-11-20 1997-05-22 Frank Gmbh & Co Kg Max Attachment for balcony on building
ATE228599T1 (en) * 1996-07-30 2002-12-15 Basys Ag CONNECTING ELEMENT
ATE268843T1 (en) * 1999-07-27 2004-06-15 Nivo Ag COMPONENT AS A CONNECTING ELEMENT BETWEEN TWO PARTS OF A BUILDING

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Publication number Priority date Publication date Assignee Title
EP0127631A1 (en) 1982-12-01 1984-12-12 Anton Erb Dowel.
EP1329563A1 (en) 2002-01-21 2003-07-23 Industrieberatung Maier AG Load spreading body

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105588759A (en) * 2016-01-22 2016-05-18 北京航空航天大学 Test method for indirectly measuring bolt load distribution proportion in damage process of composite multi-bolt joint structure
CN105588759B (en) * 2016-01-22 2018-02-23 北京航空航天大学 The test method of pin load distribution ratio in a kind of indirect determination composite Multi-fasteners joint structure failure history
CN109339228A (en) * 2018-10-10 2019-02-15 湖南大学 A kind of bolt fastening structure of full prefabricated concrete structure bean column node
CN110318472A (en) * 2019-07-04 2019-10-11 山东建筑大学 Steel core concrete column and armored concrete Prefabricated beam connection structure and connection method
CN113152669A (en) * 2021-03-22 2021-07-23 河北工业大学 Assembly type reinforced concrete column and column splicing structure and method

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