EP2055846A1 - Use of elements for connecting prefinished concrete elements - Google Patents
Use of elements for connecting prefinished concrete elements Download PDFInfo
- Publication number
- EP2055846A1 EP2055846A1 EP09153597A EP09153597A EP2055846A1 EP 2055846 A1 EP2055846 A1 EP 2055846A1 EP 09153597 A EP09153597 A EP 09153597A EP 09153597 A EP09153597 A EP 09153597A EP 2055846 A1 EP2055846 A1 EP 2055846A1
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- EP
- European Patent Office
- Prior art keywords
- storage box
- elements
- precast concrete
- loop elements
- reinforcing
- 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.)
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-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/125—Reinforcement continuity box
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/125—Reinforcement continuity box
- E04G21/126—Reinforcement continuity box for cable loops
Definitions
- the precast concrete parts In order to build supporting structures of a building made of precast concrete parts, the precast concrete parts must be connected to each other with a force fit.
- Disc-shaped wall elements are connected to each other or vertical supports on vertical joints.
- Vergussnuten At the end faces of the elements corresponding Vergussnuten are arranged on the basis of connecting elements are arranged with storage boxes containing fold-out reinforcing elements.
- These reinforcing elements can consist of both reinforcing steel and flexible rope elements.
- Such fasteners are for example in the WO 03/008737 disclosed.
- FIG Fig. 5 For the transverse force transmission parallel to the joint various industrially manufactured fasteners are known, as shown schematically in FIG Fig. 5 are shown.
- continuous profile elements such as the Pfeifer VS® rail, PEEIEER VS® rail, Betomax Schlaufmax, Philipp rail, and also individual elements ( Fig. 5a ), b)), which are to ensure the transverse force transmission by repeatedly repeated arrangement of reinforcing loops in the precast joint above the other.
- the lengths of these rails and strips is for logistical reasons at about 1.20 m.
- To reach floor height several rail elements are joined together seamlessly. If fewer loops are needed in a joint, individual deposit boxes are used with only one loop at a distance. By way of example, two and two individual loops may be required in the floor above.
- the individual elements are, for example, the Pfeifer VS® box ( Fig. 5a )) and the Philipp connection loop ( Fig. 5b )) to disposal. Both have in common that it is an elongated storage box, at one end of a rope loop is arranged, which can be stored inside the storage box. The overall length is essentially matched to the one loop and much shorter than the rails and bars.
- the individual boxes are arranged at the bottom of the Vergussnut, and the opposing loops are folded out and connected overlapping by the introduced and hardening mortar.
- the invention is based on the finding that in compact fasteners with only one reinforcement loop or at the free ends of rail-like fasteners with transverse force stress no balance of power adjusts, in which the essential tensile forces are absorbed in the connection by reinforcing elements.
- the invention therefore aims to design the connecting element in particular even with compact dimensions such that the tensile forces that arise in the connection as a result of an oblique concrete strut by transverse force stress, are absorbed by rebar elements and forwarded.
- the invention provides that in a generic connection element, the penetration openings of two reinforcing loop elements are provided near opposite ends of the storage box.
- two opposing reinforcing loops are in the bent-out state (final state) near the respective ends of the storage box.
- each individual connection element according to the invention a self-contained support behavior in which due to lateral force stress an inclined compression strut can form in concrete, which can be supported at their (imaginary) ends on the reinforcing loops of the connecting element to initiate excessive tensile forces in to avoid the concrete or mortar.
- an inclined compression strut can form in concrete, which can be supported at their (imaginary) ends on the reinforcing loops of the connecting element to initiate excessive tensile forces in to avoid the concrete or mortar.
- a harmful cracking in the connection area can be effectively prevented, which in addition to the load capacity and the durability and rigidity of the compound significantly increased.
- the connecting element according to the invention has a simple construction and can be used without any change in the previous construction process without problems.
- a connecting element with exactly two reinforcing loop elements represents a particularly preferred embodiment. This is highly variable in use and has, in contrast to known individual elements, a significantly improved, self-contained support behavior.
- the maximum distance of the near-end penetrating openings from one end in the longitudinal direction of the storage box is less than 0.5 times a loop length by which the reinforcing loop elements project from the storage box in the bent-out state.
- a particularly compact connection element is provided.
- a concrete compression strut forming as a result of transverse force stress can be effectively supported at the near ends of the storage box with the perforation openings and thus the installed reinforcing loop elements near the edge, whereby the load-bearing behavior of the connection element is further improved.
- the maximum distance of the proximal penetrating openings from one end in the longitudinal direction of the storage box is less than 0.25 times, particularly preferably 0.1 times, the loop length.
- the length of the storage box is less than 2.5 times a loop length by which the reinforcing loop elements protrude in the bent-out state of the storage box.
- this configuration also ensures that the reinforcing loop elements in the installed state are sufficiently close to each other so that the inclination of a pressure strut between the reinforcing loop elements does not become too low and therefore the compressive forces that occur do not become excessively large.
- An even more compact connection element is obtained according to the invention if the length of the storage box is less than 1.5 times the loop length.
- Fig. 1a schematically shows a connecting element 20 according to a first embodiment of the present invention.
- the connecting element 20 serves for the transverse force joining of precast concrete elements to a joint with transverse forces parallel to the joint longitudinal direction and comprises a storage box 1 and two bendable reinforcing loop elements 3.
- the storage box 1 has an elongated, hollow box-like shape with a length L and two longitudinal ends 1a, 1b.
- a storage box floor 1c two openings 1 ', 1 "are provided, on which the reinforcement loop elements 3 penetrate the storage box 1.
- the reinforcement loop elements 3 may be, for example, beta steel bars or flexible cable elements which are connected at their free ends via a clamp 2, sleeve or the like.
- FIG Fig. 2 schematically shown in a perspective view. This is different from the one in Fig. 1a shown first embodiment by profiling, which are provided in the form of recesses 12 in the storage box floor 1 c. In this case, the recesses 12 are provided in the present embodiment adjacent to the penetration openings 1 ', 1''.
- FIG. 2 the connecting element 20 with bent by the length of 1 Reinforcement loop elements 3, ie in the final state, which occupies the connecting element in a combination of precast concrete parts.
- the loop length 1 serves here, as in Fig. 2 shown, the storage box floor 1c.
- FIG Fig. 4 A connection of precast concrete parts using the connecting element 20 according to the invention is shown schematically in FIG Fig. 4 showing both a vertical and a horizontal sectional view of the connection.
- the connecting elements 20 according to the invention are provided in end-side potting grooves 11 of precast concrete elements 5 to be joined together.
- the precast concrete elements 5 are placed side by side with their end faces in such a way that a gap 10 forms in the region of the grouting grooves 11 and is later filled with grout.
- the reinforcing loop elements 3 are bent out of the custody boxes 1, so that the reinforcing loop elements 3 of opposing connecting elements 20 overlap.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Reinforcement Elements For Buildings (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Adornments (AREA)
Abstract
Description
Um Tragstrukturen eines aus Betonfertigteilen erstellten Gebäudes zu errichten, müssen die Betonfertigteile miteinander kraftschlüssig verbunden werden. Scheibenförmige Wandelemente werden miteinander oder mit vertikal stehenden Stützen an Vertikalfugen verbunden. An den Stirnseiten der Elemente sind entsprechende Vergussnuten angeordnet, auf deren Grund Verbindungselemente mit Verwahrkästen angeordnet werden, die herausklappbare Bewehrungselemente beinhalten. Diese Bewehrungselemente können sowohl aus Betonstahl als auch flexiblen Seilelementen bestehen. Derartige Verbindungselemente sind beispielsweise in der
Durch Herausklappen dieser Bewehrungselemente stehen senkrecht zur Stirnseite schlaufenartige Elemente zur Verfügung, die beim Zusammenstellen der Fertigteilelemente in der Fuge überlappen. Die sich in der Fuge überlappenden Schlaufen werden zumeist über die gesamte Höhe der Fertigteilelemente in der Vergussfuge mit Fugenmörtel vergossen. Nach dessen Erhärten kann die Vergussfuge dank der überlappenden Verbindungselemente Kräfte in verschiedenen Richtungen übertragen, d.h. einerseits Zugkräfte in der Überlappung senkrecht zur Stirnseite der Fertigteilelemente, andererseits Querkräfte senkrecht zur Scheibenebene und, besonders wichtig, Querkraft parallel zur Fugenlängsrichtung. Letztere stellt einen baupraktisch sehr häufig auftretenden Lastfall dar.By folding out these reinforcing elements are perpendicular to the front side loop-like elements available that overlap when assembling the precast elements in the joint. The loops that overlap in the joint are usually grouted over the entire height of the precast elements in the grouting joint with joint mortar. After its hardening, the grouting joint can transmit forces in different directions thanks to the overlapping connecting elements, ie tensile forces in the overlap perpendicular to the end face of the precast elements, lateral forces perpendicular to the plane of the pane and, most importantly, transverse force parallel to the joint longitudinal direction. The latter represents a construction practice very frequently occurring load case.
Für die Querkraftübertragung parallel zur Fuge sind verschiedene industriell gefertigte Verbindungselemente bekannt, wie sie schematisch in
Als Einzelelemente stehen beispielsweise die Pfeifer-VS®-Box (
Bei den bekannten Verbindungselemententen hat sich jedoch gezeigt, dass insbesondere im Bereich von Einzelelementen und/oder freien Rändern eine frühzeitige Rissbildung im Beton bzw. Mörtel der Verbindung auftritt, wodurch die Tragfähigkeit, Steifigkeit und Dauerhaftigkeit der Verbindung beeinträchtigt wird.In the case of the known connecting element elements, however, it has been shown that, especially in the region of individual elements and / or free edges, premature cracking in the concrete or mortar of the connection occurs, which impairs the load capacity, rigidity and durability of the connection.
Es ist daher Aufgabe der vorliegenden Erfindung, ein Verbindungselement zum querkraftschlüssigen Verbinden von Betonfertigteilen bereitzustellen, das ein verbessertes Tragverhalten einer Verbindung bei Querkraftbeanspruchung ermöglicht.It is therefore an object of the present invention to provide a connecting element for the transverse force-locking connection of precast concrete parts, which allows an improved load-bearing behavior of a connection under transverse force stress.
Diese Aufgabe wird erfindungsgemäß durch ein Verbindungselement mit den Merkmalen von Anspruch 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved by a connecting element with the features of
Der Erfindung liegt die Erkenntnis zugrunde, dass sich bei kompakten Verbindungselementen mit nur einer Bewehrungsschlaufe oder an freien Enden schienenartiger Verbindungselemente bei Querkraftbeanspruchung kein Kräftegleichgewicht einstellt, bei welchem die wesentlichen Zugkräfte in der Verbindung durch Bewehrungselemente aufgenommen werden.The invention is based on the finding that in compact fasteners with only one reinforcement loop or at the free ends of rail-like fasteners with transverse force stress no balance of power adjusts, in which the essential tensile forces are absorbed in the connection by reinforcing elements.
Die Erfindung stellt daher darauf ab, das Verbindungselement insbesondere auch bei kompakten Abmessungen derart auszugestalten, dass die Zugkräfte, die in der Verbindung infolge einer schrägen Betondruckstrebe durch Querkraftbeanspruchung entstehen, durch Bewehrungselemente aufgenommen und weitergeleitet werden. Zu diesem Zweck ist erfindungsgemäß vorgesehen, dass bei einem gattungsgemäßen Verbindungselement die Durchdringungsöffnungen zweier Bewehrungsschlaufenelemente nahe gegenüberliegender Enden des Verwahrkastens vorgesehen sind. Mit anderen Worten liegen bei dem erfindungsgemäßen Verbindungselement zwei gegenüberliegende Bewehrungsschlaufen im herausgebogenen Zustand (Endzustand) nahe den jeweiligen Enden des Verwahrkastens.The invention therefore aims to design the connecting element in particular even with compact dimensions such that the tensile forces that arise in the connection as a result of an oblique concrete strut by transverse force stress, are absorbed by rebar elements and forwarded. For this purpose, the invention provides that in a generic connection element, the penetration openings of two reinforcing loop elements are provided near opposite ends of the storage box. In other words, in the connecting element according to the invention, two opposing reinforcing loops are in the bent-out state (final state) near the respective ends of the storage box.
Hierdurch ergibt sich bei jedem einzelnen, erfindungsgemäßen Verbindungselement ein in sich geschlossenes Tragverhalten, bei dem sich infolge Querkraftbeanspruchung eine geneigte Druckstrebe im Beton ausbilden kann, die sich an ihren (gedachten) Enden auf den Bewehrungsschlaufen des Verbindungselements abstützen kann, um das Einleiten übermäßiger Zugkräfte in den Beton bzw. Mörtel zu vermeiden. Auf diese Weise kann einer schädlichen Rissbildung im Verbindungsbereich wirksam vorgebeugt werden, was neben der Tragfähigkeit auch die Dauerhaftigkeit und Steifigkeit der Verbindung deutlich erhöht. Gleichzeitig besitzt das erfindungsgemäße Verbindungselement eine einfache Konstruktion und kann ohne Veränderung des bisherigen Bauablaufes problemlos eingesetzt werden.This results in each individual connection element according to the invention a self-contained support behavior in which due to lateral force stress an inclined compression strut can form in concrete, which can be supported at their (imaginary) ends on the reinforcing loops of the connecting element to initiate excessive tensile forces in to avoid the concrete or mortar. In this way, a harmful cracking in the connection area can be effectively prevented, which in addition to the load capacity and the durability and rigidity of the compound significantly increased. At the same time, the connecting element according to the invention has a simple construction and can be used without any change in the previous construction process without problems.
Obgleich die vorliegende Erfindung nicht auf eine bestimmte Anzahl von Schlaufenelementen beschränkt ist, stellt ein Verbindungselement mit genau zwei Bewehrungsschlaufenelementen eine besonders bevorzugte Ausführungsform dar. Diese ist höchst variabel einsetzbar und besitzt im Unterschied zu bekannten Einzelelementen ein deutlich verbessertes, in sich geschlossenes Tragverhalten.Although the present invention is not limited to a particular number of loop elements, a connecting element with exactly two reinforcing loop elements represents a particularly preferred embodiment. This is highly variable in use and has, in contrast to known individual elements, a significantly improved, self-contained support behavior.
Gemäß einer Weiterbildung der vorliegenden Erfindung ist vorgesehen, dass der maximale Abstand der endnahen Durchdringungsöffnungen von einem Ende in Längsrichtung des Verwahrkastens geringer ist als das 0,5-fache einer Schlaufenlänge, um welche die Bewehrungsschlaufenelemente im herausgebogenen Zustand von dem Verwahrkasten hervorstehen. Hierdurch wird ein besonders kompaktes Verbindungselement bereitgestellt. Darüber hinaus kann sich eine infolge von Querkraftbeanspruchung ausbildende Betondruckstrebe bei randnaher Anordnung der Durchdringungsöffnungen und somit der eingebauten Bewehrungsschlaufenelemente wirksam an den nahegelegenen Enden des Verwahrkastens abstützen, wodurch das Tragverhalten des Verbindungselements weiter verbessert wird. Dabei ist es bevorzugt, dass der maximale Abstand der endnahen Durchdringungsöffnungen von einem Ende in Längsrichtung des Verwahrkastens geringer ist als das 0,25-fache, besonders bevorzugt das 0,1-fache der Schlaufenlänge.According to one embodiment of the present invention, it is provided that the maximum distance of the near-end penetrating openings from one end in the longitudinal direction of the storage box is less than 0.5 times a loop length by which the reinforcing loop elements project from the storage box in the bent-out state. As a result, a particularly compact connection element is provided. In addition, a concrete compression strut forming as a result of transverse force stress can be effectively supported at the near ends of the storage box with the perforation openings and thus the installed reinforcing loop elements near the edge, whereby the load-bearing behavior of the connection element is further improved. It is preferred that the maximum distance of the proximal penetrating openings from one end in the longitudinal direction of the storage box is less than 0.25 times, particularly preferably 0.1 times, the loop length.
Hinsichtlich kompakter Liefer- und Einbauabmessungen des erfindungsgemäßen Verbindungselements ist gemäß einer Weiterbildung vorgesehen, dass die Länge des Verwahrkastens geringer ist als das 2,5-fache einer Schlaufenlänge, um welche die Bewehrungsschlaufenelemente im herausgebogenen Zustand von dem Verwahrkasten hervorstehen. Gleichzeitig stellt diese Konfiguration jedoch auch sicher, dass die Bewehrungsschlaufenelemente im eingebauten Zustand ausreichend nahe beieinander liegen, sodass die Neigung einer sich zwischen den Bewehrungsschlaufenelementen einstellenden Druckstrebe nicht zu gering wird und die auftretenden Druckkräfte daher nicht übermäßig groß werden. Ein noch kompakteres Verbindungselement wird erfindungsgemäß erhalten, wenn die Länge des Verwahrkastens geringer ist als das 1,5-fache der Schlaufenlänge.With regard to compact delivery and installation dimensions of the connecting element according to the invention is provided according to a development that the length of the storage box is less than 2.5 times a loop length by which the reinforcing loop elements protrude in the bent-out state of the storage box. At the same time, however, this configuration also ensures that the reinforcing loop elements in the installed state are sufficiently close to each other so that the inclination of a pressure strut between the reinforcing loop elements does not become too low and therefore the compressive forces that occur do not become excessively large. An even more compact connection element is obtained according to the invention if the length of the storage box is less than 1.5 times the loop length.
Gemäß einer Weiterbildung der Erfindung ist ferner vorgesehen, dass zumindest zwei Bewehrungsschlaufenelemente im in den Verwahrkasten aufgenommenen Zustand einander zugewandt sind und bevorzugt einander zumindest teilweise überlappen, sodass das erfindungsgemäße Verbindungselement kaum größere Abmessungen besitzt als ein bekanntes Einzelschlaufenelement, jedoch ein drastisch verbessertes Tragverhalten aufweist.According to one embodiment of the invention, it is further provided that at least two reinforcing loop elements in the state taken in the storage box facing each other and preferably at least partially overlap each other, so that the connecting element according to the invention has hardly larger dimensions than a known single loop element, but has a drastically improved structural behavior.
Um eine wirksame Aufnahme und Weiterleitung der infolge einer Querkraftbeanspruchung auftretenden Kräfte im Beton sicherzustellen, ist gemäß einer Weiterbildung der vorliegenden Erfindung vorgesehen, dass der Verwahrkastenboden zumindest abschnittsweise durch Erhebungen und/oder Vertiefungen profiliert ist. Hierdurch wird sichergestellt, dass die Bewehrungsschlaufenelemente des Verbindungselements bei Querkraftbeanspruchung auch aktiviert werden, bevor sich eine übermäßige Verformung und Rissbildung im Bereich der Verbindung einstellt. Dabei ist es besonders bevorzugt, dass die Erhebungen und/oder Vertiefungen benachbart zu den Durchdringungsöffnungen vorgesehen sind, sodass sich das gewünschte, geschlossene Tragsystem unter Einbindung der Bewehrungsschlaufenelemente einstellt.In order to ensure effective absorption and transmission of the forces occurring in the concrete as a result of a transverse force stress, according to a development of the present invention it is provided that the trolley bottom is profiled at least in sections by elevations and / or depressions. This ensures that the reinforcing loop elements of the connecting element also activates under transverse force stress before excessive deformation and cracking occurs in the area of the joint. It is particularly preferred that the elevations and / or depressions are provided adjacent to the penetration openings, so that adjusts the desired, closed support system with the involvement of the reinforcement loop elements.
Das erfindungsgemäße Verbindungselement kann einzeln oder in Kombination mit gleichartigen oder andersartigen Verbindungselementen eingesetzt werden. Auf diese Weise wird durch eine lokal begrenzte Maßnahme das Tragverhalten der Gesamtverbindung vorteilhaft beeinflusst.The connecting element according to the invention can be used individually or in combination with similar or different types of connecting elements. In this way, the carrying behavior of the overall connection is advantageously influenced by a locally limited measure.
- Fig. 1aFig. 1a
- zeigt schematisch eine Perspektivansicht einer ersten Ausführungsform des erfindungsgemäßen Verbindungselements;shows schematically a perspective view of a first embodiment of the connecting element according to the invention;
- Fig. 1bFig. 1b
- zeigt schematisch eine Perspektivansicht einer zweiten Ausführungsform des erfindungsgemäßen Verbindungselements;shows schematically a perspective view of a second embodiment of the connecting element according to the invention;
- Fig. 2Fig. 2
- zeigt schematisch eine Perspektivansicht einer dritten Ausführungsform des erfindungsgemäßen Verbindungselements;shows schematically a perspective view of a third embodiment of the connecting element according to the invention;
- Fig. 3Fig. 3
- zeigt schematisch eine Modellvorstellung des Tragverhaltens zweier miteinander durch Verbindungselemente verbundener Betonfertigteile;shows schematically a model of the structural behavior of two interconnected by connecting elements precast concrete elements;
- Fig. 4Fig. 4
- zeigt schematisch eine querkraftschlüssige Verbindung von Betonfertigteilen unter Einsatz des erfindungsgemäßen Verbindungselements;shows schematically a transverse force-locking connection of precast concrete parts using the connecting element according to the invention;
- Fig. 5Fig. 5
- zeigt schematisch Verbindungselemente gemäß dem Stand der Technik.shows schematically connecting elements according to the prior art.
Bevorzugte Ausführungsformen der Erfindung werden nachfolgend ausführlich unter Bezugnahme auf die begleitenden Zeichnungen beschrieben.Preferred embodiments of the invention will now be described in detail with reference to the accompanying drawings.
Bei den Bewehrungsschlaufenelementen 3 kann es sich beispielsweise um Betanstabstahl oder um flexible Seilelemente handeln, die an ihren freien Enden über eine Klemme 2, Muffe oder dergleichen verbunden sind.The
Die Durchdringungsöffnungen 1', 1" sind erfindungsgemäß nahe den gegenüberliegenden Enden 1a, 1b des Verwahrkastens 1 vorgesehen, wie in
Ferner ist die Länge L des Verwahrkastens derart ausgelegt, dass die Bewehrungsschlaufen 3 problemlos im Inneren des Verwahrkastens 1 aufgenommen werden können, wie in
Eine dritte bevorzugte Ausführungsform des erfindungsgemäßen Verbindungselements 20 ist in
Ferner zeigt
Eine Verbindung von Betonfertigteilen unter Einsatz des erfindungsgemäßen Verbindungselements 20 ist schematisch in
Ein Modell für das sich im Bereich zweier miteinander durch Verbindungselemente 20 verbundener Betonfertigteile 5 einstellende Tragverhalten ist schematisch in
Die vorstehend beschriebenen, bevorzugten Ausführungsformen weisen jeweils genau zwei Bewehrungsschlaufenelemente auf, da sich hierdurch besonders kompakte und vielseitige Verbindungselemente mit einem in sich geschlossenen Tragverhalten ergeben. Im Rahmen der vorliegenden Erfindung ist es jedoch ebenso möglich, die Verbindungselemente mit einer größeren Anzahl von Bewehrungsschlaufenelemente, sofern zumindest die zwei äußersten Bewehrungsschlaufenelemente nahe den Enden des Verwahrkastens angeordnet sind.The preferred embodiments described above each have exactly two reinforcing loop elements, since this results in particularly compact and versatile connecting elements with a closed carrying behavior. In the context of the present invention, however, it is also possible to arrange the connecting elements with a larger number of reinforcing loop elements, provided that at least the two outermost reinforcing loop elements are arranged near the ends of the storage box.
- 11
- Verwahrkasten für die BewehrungsschlaufenDeposit box for the reinforcement loops
- 1a, b1a, b
- VerwahrkastenendenVerwahrkastenenden
- 1c1c
- Verwahrkastenbodenstorage box
- 1', 1"1 ', 1 "
- Durchdringungsöffnungenpenetration holes
- 22
- Endverankerung der BewehrungsschlaufeEnd anchorage of the reinforcement loop
- 33
- Bewehrungsschlaufe aus Drahtseil oder BetonstahlReinforcement loop made of wire rope or reinforcing steel
- 44
- Horizontale ZugkraftHorizontal traction
- 55
- Betonfertigteil wand- oder stützenartigPrecast concrete wall or pedestal
- 66
- Querkraft parallel zur WandfugeTransverse force parallel to the wall joint
- 77
- Schräge Druckstrebe im VergussbereichOblique pressure strut in the casting area
- 88th
- Montagestab aus BetonstahlAssembling rod made of reinforcing steel
- 99
- Bereich mit VergussmortelArea with grouting mortar
- 1010
- Fuge zwischen zwei BetonfertigteilenJoint between two precast concrete elements
- 1111
- Vergussnutgrouting groove
- 1212
- Vertiefungen oder Erhebungen zur Verbesserung des DruckstrebenangriffsDepressions or elevations to improve the strut engagement
- 2020
- Verbindungselementconnecting element
- LL
- Länge des VerwahrkastensLength of the storage box
- 11
- Schlaufenlängestrap
-
1. Verbindungselement (20) zum querkraftschlüssigen Verbinden von Betonfertigteilen (5) an einer Fuge (10) mit Querkräften parallel zur Fugenlängsrichtung, umfassend einen bevorzugt länglichen Verwahrkasten (1) und mindestens zwei Bewehrungsschlaufenelemente (3), die in dem Verwahrkasten (1) aufnehmbar und aus diesem herausbiegbar sind, wobei die Bewehrungsschlaufenelemente (3) den Verwahrkasten (1) im Bereich jeweils einer Durchdringungsöffnung (1', 1") des Verwahrkastens (1) durchdringen,
dadurch gekennzeichnet, dass die Durchdringungsöffnungen (1', 1") zweier Bewehrungsschlaufenelemente (3) nahe gegenüberliegender Enden (1a, 1b) des Verwahrkastens (1) vorgesehen sind.A connecting element (20) for the transverse force-locking connection of precast concrete elements (5) to a joint (10) with transverse forces parallel to the joint longitudinal direction, comprising a preferably oblong storage box (1) and at least two reinforcing loop elements (3) receivable in the storage box (1) and are bendable out of this, wherein the reinforcement loop elements (3) penetrate the storage box (1) in the region of a respective through-penetration opening (1 ', 1 ") of the storage box (1),
characterized in that the penetrating openings (1 ', 1 ") of two reinforcing loop elements (3) are provided near opposite ends (1a, 1b) of the storage box (1). -
2. Verbindungselement nach Ausführungsform 1, dadurch gekennzeichnet, dass es genau zwei Bewehrungsschlaufenelemente (3) aufweist.2. Connecting element according to
embodiment 1, characterized in that it has exactly two reinforcing loop elements (3). -
3. Verbindungselement nach Ausführungsform 1 oder 2, dadurch gekennzeichnet, dass der maximale Abstand der endnahen Durchdringungsöffnungen (1', 1") von einem Ende (1a, 1b) in Längsrichtung des Verwahrkastens (1) geringer ist als das 0,5-fache, bevorzugt das 0,25-fache, besonders bevorzugt das 0,1-fache einer Schlaufenlänge (1), um welche die Bewehrungsschlaufenelemente (3) im herausgebogenen Zustand von dem Verwahrkasten (1) hervorstehen.3. Connecting element according to
1 or 2, characterized in that the maximum distance of the proximal penetrating openings (1 ', 1 ") from one end (1a, 1b) in the longitudinal direction of the storage box (1) is less than 0.5 times Preferably, 0.25 times, more preferably 0.1 times, a loop length (1) around which the reinforcing loop elements (3) project from the storage box (1) in the deflected state.embodiment - 4. Verbindungselement nach einer der vorhergehenden Ausführungsformen, dadurch gekennzeichnet, dass die Länge (L) des Verwahrkastens (1) geringer ist als das 2,5-fache einer Schlaufenlänge (1), um welche die Bewehrungsschlaufenelemente (3) im herausgebogenen Zustand von dem Verwahrkasten (1) hervorstehen.4. Connecting element according to one of the preceding embodiments, characterized in that the length (L) of the Verwahrkastens (1) is less than 2.5 times a loop length (1), around which the Reinforcement loop elements (3) in the bent-out state of the storage box (1) protrude.
- 5. Verbindungselement nach Ausführungsform 4, dadurch gekennzeichnet, dass die Länge (L) des Verwahrkastens (1) geringer ist als das 1,5-fache der Schlaufenlänge (1).5. Connecting element according to embodiment 4, characterized in that the length (L) of the Verwahrkastens (1) is less than 1.5 times the loop length (1).
- 6. Verbindungselement nach einer der vorhergehenden Ausführungsformen, dadurch gekennzeichnet, dass zumindest zwei Bewehrungsschlaufenelemente (3) im in den Verwahrkasten (1) aufgenommenen Zustand einander zugewandt sind und bevorzugt einander zumindest teilweise überlappen.6. Connecting element according to one of the preceding embodiments, characterized in that at least two reinforcing loop elements (3) in the stored in the storage box (1) state facing each other and preferably at least partially overlap each other.
- 7. Verbindungselement nach einer der vorhergehenden Ausführungsformen, dadurch gekennzeichnet, dass der Verwahrkastenboden (1c) zumindest abschnittsweise durch Erhebungen und/oder Vertiefungen (12) profiliert ist.7. Connecting element according to one of the preceding embodiments, characterized in that the storage box bottom (1c) is profiled at least in sections by elevations and / or depressions (12).
-
8. Verbindungselement nach Ausführungsform 5, dadurch gekennzeichnet, dass, dass die Erhebungen und/oder Vertiefungen (12) benachbart zu den Durchdringungsöffnungen (1', 1") vorgesehen sind.8. Connecting element according to
embodiment 5, characterized in that the elevations and / or depressions (12) adjacent to the penetration openings (1 ', 1 ") are provided. - 9. Querkraftschlüssige Verbindung von Betonfertigteilen (30) an einer Fuge (10) mit Querkräften parallel zur Fugenlängsrichtung, die ein Verbindungselement (20) nach einem der vorhergehenden Ansprüche aufweist.9. Cross-positive connection of precast concrete parts (30) on a joint (10) with transverse forces parallel to the longitudinal direction of the joint having a connecting element (20) according to one of the preceding claims.
Claims (15)
dadurch gekennzeichnet, dass die Verbindungselemente (20) gleichmäßig über das Betonfertigteil (5) angeordnet werden.Method according to claim 1,
characterized in that the connecting elements (20) are arranged uniformly over the precast concrete part (5).
dadurch gekennzeichnet, dass die Verbindungselemente (20) zueinander benachbart angeordnet werden.Method according to claim 1 or 2,
characterized in that the connecting elements (20) are arranged adjacent to each other.
dadurch gekennzeichnet , dass die Verbindungselemente (20) auf dem Grund einer Vergussnut (11) an der Stirnseite des Betonfertigteils (5) angeordnet werden.Method according to one of the preceding claims,
characterized in that the connecting elements (20) are arranged on the base of a Vergussnut (11) on the front side of the precast concrete part (5).
dadurch gekennzeichnet, dass die Verbindungselemente (20) gleichmäßig über das Betonfertigteil (5) angeordnet sind.Prefabricated concrete element according to claim 5,
characterized in that the connecting elements (20) are arranged uniformly over the precast concrete part (5).
dadurch gekennzeichnet, dass die Verbindungselemente (20) zueinander benachbart angeordnet sind.Prefabricated concrete element according to claim 5 or 6,
characterized in that the connecting elements (20) are arranged adjacent to each other.
dadurch gekennzeichnet, dass die Verbindungselemente (20) auf dem Grund einer Vergussnut (11) an der Stirnseite des Betonfertigteils (5) angeordnet sind.Prefabricated concrete element according to one of claims 5 to 7,
characterized in that the connecting elements (20) are arranged on the bottom of a Vergussnut (11) on the front side of the precast concrete part (5).
dadurch gekennzeichnet , dass das Verbindungselement (20) genau zwei Bewehrungsschlaufenelemente (3) aufweist.Process, precast concrete, combination or use according to one of the preceding claims,
characterized in that the connecting element (20) has exactly two reinforcing loop elements (3).
dadurch gekennzeichnet, dass der maximale Abstand der endnahen Durchdringungsöffnungen (1' , 1") von einem Ende (1a, 1b) in Längsrichtung des Verwahrkastens (1) geringer ist als das 0,5-fache, bevorzugt das 0,25-fache, besonders bevorzugt das 0,1-fache einer Schlaufenlänge (1), um welche die Bewehrungsschlaufenelemente (3) im herausgebogenen Zustand von dem Verwahrkasten (1) hervorstehen.Process, precast concrete, combination or use according to one of the preceding claims,
characterized in that the maximum distance of the proximal penetrating openings (1 ', 1 ") from one end (1a, 1b) in the longitudinal direction of the storage box (1) is less than 0.5 times, preferably 0.25 times, more preferably 0.1 times a loop length (1) around which the reinforcement loop elements (3) are bent out Condition of the storage box (1) protrude.
dadurch gekennzeichnet , dass die Länge (L) des Verwahrkastens (1) geringer ist als das 2,5-fache, bevorzugt das 1,5-fache einer Schlaufenlänge (1), um welche die Bewehrungsschlaufenelemente (3) im herausgebogenen Zustand von dem Verwahrkasten (1) hervorstehen.Method, precast concrete element, combination or use according to one of the preceding claims,
characterized in that the length (L) of the Verwahrkastens (1) is less than 2.5 times, preferably 1.5 times a loop length (1), around which the reinforcing loop elements (3) in the bent-out state of the storage box (1) stand out.
dadurch gekennzeichnet , dass zumindest zwei Bewehrungsschlaufenelemente (3) im in den Verwahrkasten (1) aufgenommenen Zustand einander zugewandt sind und bevorzugt einander zumindest teilweise überlappen.Method, precast concrete element, combination or use according to one of the preceding claims,
characterized in that at least two reinforcing loop elements (3) in the stored in the storage box (1) state facing each other and preferably at least partially overlap each other.
dadurch gekennzeichnet, das der Verwahrkastenboden (1c) zumindest abschnittsweise durch Erhebungen und/oder Vertiefungen (12) profiliert ist, wobei die Erhebungen und/oder Vertiefungen (12) bevorzugt benachbart zu den Durchdringungsöffnungen (1', 1") vorgesehen sind.Method, precast concrete element, combination or use according to one of the preceding claims,
characterized in that the storage box bottom (1c) is at least partially profiled by elevations and / or depressions (12), wherein the elevations and / or depressions (12) preferably adjacent to the penetration openings (1 ', 1 ") are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL09153597T PL2055846T3 (en) | 2004-02-11 | 2005-02-10 | Use of elements for connecting prefinished concrete elements |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202004002110U DE202004002110U1 (en) | 2004-02-11 | 2004-02-11 | Connecting element for connecting precast concrete elements |
| EP05002768A EP1589156B1 (en) | 2004-02-11 | 2005-02-10 | Element for connecting prefinished concrete elements |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05002768A Division EP1589156B1 (en) | 2004-02-11 | 2005-02-10 | Element for connecting prefinished concrete elements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2055846A1 true EP2055846A1 (en) | 2009-05-06 |
| EP2055846B1 EP2055846B1 (en) | 2012-10-10 |
Family
ID=34716806
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05002768A Expired - Lifetime EP1589156B1 (en) | 2004-02-11 | 2005-02-10 | Element for connecting prefinished concrete elements |
| EP09153597A Expired - Lifetime EP2055846B1 (en) | 2004-02-11 | 2005-02-10 | Use of elements for connecting prefinished concrete elements |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05002768A Expired - Lifetime EP1589156B1 (en) | 2004-02-11 | 2005-02-10 | Element for connecting prefinished concrete elements |
Country Status (6)
| Country | Link |
|---|---|
| EP (2) | EP1589156B1 (en) |
| AT (1) | ATE432393T1 (en) |
| DE (2) | DE202004002110U1 (en) |
| DK (2) | DK2055846T3 (en) |
| ES (2) | ES2396476T3 (en) |
| PL (2) | PL1589156T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010003272A1 (en) | 2010-03-25 | 2011-09-29 | Georg Weidner | Device for producing connection between precast concrete parts, has reinforcement part arranged in groove such that anchor region is extended outside support part on bottom side and connecting portion is inserted into groove |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008013206B4 (en) * | 2008-03-07 | 2019-12-05 | P & T Technische Mörtel GmbH & Co. KG | Method for joining precast concrete parts and construction made therewith |
| DE102008063525B4 (en) * | 2008-12-18 | 2017-03-09 | P & T Technische Mörtel GmbH & Co. KG | Method and device for connecting precast concrete elements |
| DE202009000910U1 (en) | 2009-01-23 | 2010-06-17 | Philipp Gmbh | Device for holding rope loops |
| DE202010010127U1 (en) * | 2010-07-12 | 2011-10-24 | Pfeifer Seil- Und Hebetechnik Gmbh | Deposit box and use of a deposit box |
| RU2499103C1 (en) * | 2012-05-05 | 2013-11-20 | Открытое акционерное общество Центральный научно-исследовательский и проектный институт жилых и общественных зданий (ОАО "ЦНИИЭП жилища") | Method for manufacturing of cast in place and precast node of pillar connection with crossbar |
| CN110185155B (en) * | 2019-06-25 | 2024-03-15 | 中国建筑标准设计研究院有限公司 | Joint connector of prefabricated part, prefabricated wall system and construction method of prefabricated wall system |
| DE102020203108A1 (en) | 2020-03-11 | 2021-09-16 | Pfeifer Holding Gmbh & Co. Kg | Connection element for frictional connection of concrete components |
| CN118065554B (en) * | 2024-03-26 | 2024-11-15 | 河北顺安远大环保科技股份有限公司 | Full precast concrete floor slab splice tongue-and-groove structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0103060A1 (en) * | 1982-09-10 | 1984-03-21 | Pawe Ag | Reinforcement-iron holder for use in joining cast concrete work and method of manufacturing the same |
| CH666931A5 (en) | 1983-12-17 | 1988-08-31 | Walter Hoff | Lost shuttering securement for concrete reinforcement - has U=shaped member, whose web has elongated holes, transverse to shuttering longitudinal axis |
| DE9407998U1 (en) * | 1994-05-13 | 1994-07-14 | Dausend, Hans-Werner, 42279 Wuppertal | Storage box for connection reinforcement bars |
| FR2710091A1 (en) * | 1993-09-16 | 1995-03-24 | Sauveplane Pierre | Device for placing and positioning reinforcement bars in formwork (shuttering) for reinforced concrete |
| US6308478B1 (en) | 1997-07-03 | 2001-10-30 | Pfeifer Holding Gmbh & Co. Kg | Device for connecting reinforced concrete sections |
| DE20319471U1 (en) * | 2003-12-16 | 2005-01-20 | Pfeifer Holding Gmbh & Co. Kg | Joint for prefabricated concrete sections has grooves in joint faces to receive connectors armatures with wire loops to receive tension forces |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29612573U1 (en) * | 1996-07-20 | 1997-11-20 | Pfeifer Seil- und Hebetechnik GmbH & Co, 87700 Memmingen | Device for joining precast concrete parts |
| DE29711542U1 (en) * | 1997-07-03 | 1998-10-29 | Pfeifer Seil- und Hebetechnik GmbH & Co, 87700 Memmingen | Device for connecting reinforced concrete parts |
| DE29906417U1 (en) * | 1999-04-12 | 2000-09-14 | Reuß GmbH & Co. KG, 42277 Wuppertal | Device for storing at least one elastically deformable rope loop in the surface of precast concrete parts |
| DE20111702U1 (en) * | 2001-07-18 | 2002-11-21 | Pfeifer Holding GmbH & Co. KG, 87700 Memmingen | Device for joining precast concrete parts |
-
2004
- 2004-02-11 DE DE202004002110U patent/DE202004002110U1/en not_active Expired - Lifetime
-
2005
- 2005-02-10 DK DK09153597.1T patent/DK2055846T3/en active
- 2005-02-10 DK DK05002768T patent/DK1589156T3/en active
- 2005-02-10 EP EP05002768A patent/EP1589156B1/en not_active Expired - Lifetime
- 2005-02-10 AT AT05002768T patent/ATE432393T1/en active
- 2005-02-10 PL PL05002768T patent/PL1589156T3/en unknown
- 2005-02-10 EP EP09153597A patent/EP2055846B1/en not_active Expired - Lifetime
- 2005-02-10 ES ES09153597T patent/ES2396476T3/en not_active Expired - Lifetime
- 2005-02-10 PL PL09153597T patent/PL2055846T3/en unknown
- 2005-02-10 ES ES05002768T patent/ES2327047T3/en not_active Expired - Lifetime
- 2005-02-10 DE DE502005007331T patent/DE502005007331D1/en not_active Expired - Lifetime
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|---|---|---|---|---|
| EP0103060A1 (en) * | 1982-09-10 | 1984-03-21 | Pawe Ag | Reinforcement-iron holder for use in joining cast concrete work and method of manufacturing the same |
| CH666931A5 (en) | 1983-12-17 | 1988-08-31 | Walter Hoff | Lost shuttering securement for concrete reinforcement - has U=shaped member, whose web has elongated holes, transverse to shuttering longitudinal axis |
| FR2710091A1 (en) * | 1993-09-16 | 1995-03-24 | Sauveplane Pierre | Device for placing and positioning reinforcement bars in formwork (shuttering) for reinforced concrete |
| DE9407998U1 (en) * | 1994-05-13 | 1994-07-14 | Dausend, Hans-Werner, 42279 Wuppertal | Storage box for connection reinforcement bars |
| US6308478B1 (en) | 1997-07-03 | 2001-10-30 | Pfeifer Holding Gmbh & Co. Kg | Device for connecting reinforced concrete sections |
| DE20319471U1 (en) * | 2003-12-16 | 2005-01-20 | Pfeifer Holding Gmbh & Co. Kg | Joint for prefabricated concrete sections has grooves in joint faces to receive connectors armatures with wire loops to receive tension forces |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010003272A1 (en) | 2010-03-25 | 2011-09-29 | Georg Weidner | Device for producing connection between precast concrete parts, has reinforcement part arranged in groove such that anchor region is extended outside support part on bottom side and connecting portion is inserted into groove |
Also Published As
| Publication number | Publication date |
|---|---|
| DK1589156T3 (en) | 2009-09-07 |
| EP1589156A3 (en) | 2008-05-21 |
| DE202004002110U1 (en) | 2005-06-30 |
| PL2055846T3 (en) | 2013-03-29 |
| EP2055846B1 (en) | 2012-10-10 |
| DK2055846T3 (en) | 2013-01-07 |
| ATE432393T1 (en) | 2009-06-15 |
| PL1589156T3 (en) | 2009-10-30 |
| ES2327047T3 (en) | 2009-10-23 |
| EP1589156B1 (en) | 2009-05-27 |
| DE502005007331D1 (en) | 2009-07-09 |
| EP1589156A2 (en) | 2005-10-26 |
| ES2396476T3 (en) | 2013-02-21 |
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