EP2213800B1 - Transition structure between concrete restraint walls - Google Patents

Transition structure between concrete restraint walls Download PDF

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Publication number
EP2213800B1
EP2213800B1 EP09159552A EP09159552A EP2213800B1 EP 2213800 B1 EP2213800 B1 EP 2213800B1 EP 09159552 A EP09159552 A EP 09159552A EP 09159552 A EP09159552 A EP 09159552A EP 2213800 B1 EP2213800 B1 EP 2213800B1
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EP
European Patent Office
Prior art keywords
elements
connecting elements
concrete
transition structure
longitudinal direction
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EP09159552A
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German (de)
French (fr)
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EP2213800A1 (en
Inventor
Christian Lenzen
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TSS Technische Sicherheits-Systeme GmbH
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TSS Technische Sicherheits-Systeme GmbH
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
    • E01F15/088—Details of element connection
    • 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
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/103—Parapets, railings ; Guard barriers or road-bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
    • E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
    • E01F15/083—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using concrete

Definitions

  • the invention relates to a transitional construction between concrete guide walls, in particular at transitions to bridge structures.
  • Betonleit paragraphn For roadway limitation, the provision of Betonleit paragraphn is known. These are usually stepped in cross-section concrete elements, which are provided in the longitudinal direction with reinforcing elements, such as wire ropes. Such concrete guide walls are for example in DE 101 45 647 and in DE 10 2005 030 412 described. Corresponding concrete baffles are also used on bridges to the roadway boundary, in which case the concrete guide walls are usually firmly connected to the bridge construction, in particular by providing anchors. In bridge structures and the like changes due to temperature fluctuations whose length. Between the fixed track and the bridge construction, it is therefore necessary to provide expansion joints to allow corresponding longitudinal extensions of the bridge.
  • Out DE 100 26 621 is a piston-cylinder system for connecting two Betonleit paragraphn known. Furthermore, it is off FR 2 825 728 a cap or cap known to cover a gap between two adjacent concrete guide walls.
  • the object of the invention is to provide a transitional construction between Betonleit paragraphn, especially at transitions to bridge structures, by which the severity of accidents can be reduced.
  • the transition structure according to the invention between concrete guide walls which is particularly suitable for the transition between Betonleit paragraphn at transitions from a road to a bridge structure, has a first and a second Betonleitwand.
  • One of the two concrete guide walls is provided here on the road to the road boundary and the other Betonleitwand example, on the bridge structure.
  • both concrete guide walls are connected to a connecting element, wherein the two Connecting elements between the particular arranged at a distance from each other Betonleit propositionn are provided.
  • the two connecting elements overlap in the longitudinal direction and are connected to one another via at least one holding element such that a displacement of the two connecting elements in the longitudinal direction relative to each other is possible.
  • the two connecting elements according to the invention are interconnected via at least one retaining element such that a displacement in the longitudinal direction is possible, the length changes occurring in the bridge structure is taken into account.
  • the length variations of the bridge structure occurring due to temperature fluctuations are thus possible despite the provision of a connection between the two Betonleit paragraphn.
  • At least one of the two, preferably both connecting elements has at least one longitudinal slot, wherein the at least one holding element protrudes through the longitudinal slot.
  • the holding element which is in particular pen or rod-shaped, be firmly connected to one of the two connecting elements and protrude into the slot of the other connecting element.
  • the holding element may be provided as a holding element welded to one of the connecting elements bolt. It is preferred that the holding element is firmly connected to neither of the two connecting elements but protrudes through both connecting elements.
  • the holding element is in particular a pin-shaped, preferably designed as a bolt. In particular, it may be a screw with a nut.
  • the holding element protrudes, for example, by a round opening provided in one connecting element and by a longitudinal slot in the other connecting element.
  • both connecting elements Have at least one longitudinal slot, which overlap in the assembled state, so that the holding member protrudes through both longitudinal slots.
  • a plurality of longitudinal slots are provided per connecting element, which overlap in pairs.
  • a retaining element is provided per longitudinal slot pair, which projects through both longitudinal slots.
  • a stop element for limiting the pulling apart of the connecting elements in the longitudinal direction is preferably provided.
  • an elastic intermediate element can be provided.
  • a stop element for example, a pin engaging in a slot can be arranged between the two connecting elements, so that the slot end serves as a stop element.
  • a non-elastic element such as a wire rope, can be provided between the two connecting elements, which sags or is not tensioned during the movement of the connecting elements in the permissible range.
  • the stop element At a maximum telescoping of the connecting elements is the stop element then stretched and serves as a stop element, as further Auseinader endeavour the fasteners is no longer possible.
  • the two connecting elements overlap at least partially. It is particularly preferred that one of the two connecting elements has a U-shaped cross section or a U-shaped projection. This encloses the other connecting element at least partially.
  • the other connecting element may thus be at least partially plate-shaped, wherein the plate-shaped part between the two legs of the U-shaped part of the another connecting element is arranged.
  • a lateral guide is additionally realized.
  • the other arranged between the two legs connecting element also has corresponding longitudinal slots.
  • the corresponding holding elements are inserted through the respective three overlapping longitudinal slots, wherein the holding elements are in particular pin-shaped elements, such as bolts and the like.
  • the reinforcing elements are in particular longitudinal reinforcing elements, such as steel cables or the like. These are preferably arranged one above the other in a vertical plane, for example, three to seven steel cables are provided with a diameter of 10 - 20 mm.
  • the connection between the connecting elements and the BetonleitSNn via the reinforcing elements it is preferred that in particular all the reinforcing elements protrude from an end face of the concrete guide elements and are connected to the connecting elements.
  • all reinforcing elements are led out of the concrete guide wall and all reinforcing elements firmly connected to the respective connecting element, in particular welded.
  • a first concrete guide wall 10 is placed on a roadway 12.
  • a second concrete guide wall 14 is mounted on a bridge structure 16.
  • the concrete guide wall 14 is attached via dowels 18 to the bridge structure 16.
  • the bridge structure 16 also carries a roadway layer 20.
  • a support of the bridge structure 16 rests on a trailer 22.
  • a gap 24 is provided to allow expansion of the bridge structure 16 in the longitudinal direction 26.
  • the two concrete guide walls 10, 14 are connected to each other via two connecting elements 28, 30.
  • the first connecting element 28 is formed in the illustrated embodiment as a plate and firmly connected to all five arranged in the first concrete guide wall 10 reinforcing elements 32, in particular welded.
  • the second connecting element is U-shaped in cross-section and also firmly connected to the five reinforcing elements 32 of the second concrete guide wall 14.
  • the first connecting element 28 has in the illustrated embodiment, five longitudinal slots 34 ( Fig. 3 ) on.
  • the longitudinal slots 34 are aligned in the illustrated embodiment with the reinforcing elements 32, so that they are arranged at the same height as the reinforcing elements 32.
  • the cross-sectionally U-shaped second connecting element 30 has in both opposite legs 36 (FIG. Fig. 2 ) also five longitudinal slots 38, which in turn are aligned with the reinforcing elements 32 of the second concrete guide wall 14 in the illustrated embodiment.
  • the longitudinal slots 38 thus lie over the longitudinal slots 34. It is thus possible, in the illustrated embodiment designed as screws holding elements 40 through the longitudinal slots 34, 38 to stick.
  • the two connecting elements 28, 30 are pulled apart in the longitudinal direction 26. This happens until the holding elements 40 abut against a stop element, wherein it is in the illustrated embodiment, the stop elements around the ends 45 of the first longitudinal slots 34 and the ends 46 of the second longitudinal slots 38.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The first wall (10) is joined to a connector (28). The second wall (14) is joined to a second connector (30). The connectors (28, 30) are joined by holders (40) which allow them to slide relative to each other, in the longitudinal direction (26). The components are designed to limit the longitudinal movement. A stop limits pulling-apart. The walls include reinforcing rods, which are joined to the connectors. The connectors include longitudinal slots (24) through which the holders (40) project.

Description

Die Erfindung betrifft eine Übergangskonstruktion zwischen Betonleitwänden, insbesondere an Übergängen zu Brückenbauwerken.The invention relates to a transitional construction between concrete guide walls, in particular at transitions to bridge structures.

Zur Fahrbahnbegrenzung ist das Vorsehen von Betonleitwänden bekannt. Hierbei handelt es sich üblicherweise um im Querschnitt gestuft ausgebildete Betonelemente, die in Längsrichtung mit Bewehrungselementen, wie Drahtseilen, versehen sind. Derartige Betonleitwände sind beispielsweise in DE 101 45 647 und in DE 10 2005 030 412 beschrieben. Entsprechende Beton-Leitwände werden auch auf Brücken zur Fahrbahnbegrenzung eingesetzt, wobei hierbei die Betonleitwände üblicherweise fest mit der Brückenkonstruktion, insbesondere durch Vorsehen von Dübeln, verbunden sind. Bei Brückenbauwerken und dergleichen verändert sich aufgrund von Temperaturschwankungen deren Länge. Zwischen der festen Fahrbahn und der Brückenkonstruktion ist es daher erforderlich, Dehnungsfugen vorzusehen, um entsprechende Längsausdehnungen der Brücke zu ermöglichen. Insofern ist es auch erforderlich, dass zwischen den bezüglich der festen Fahrbahn vorgesehenen Betonleitwände und den Betonleitwänden der Brückenkonstruktion in Längsrichtung ein Abstand vorgesehen ist. Aufgrund des Abstandes zwischen Betonleitwänden im Übergangsbereich zwischen der festen Fahrbahn und der Brückenkonstruktion besteht hier ein erhebliches Gefahrenpotenzial beim Aufprall eines Fahrzeugs. Fährt ein Fahrzeug beispielsweise kurz vor einer Brücke gegen eine Betonleitwand, so wird diese Betonleitwand aufgrund des Aufpralls, insbesondere auch zur Dämpfung des Aufpralls, nach außen verschoben. Da die am Rand der festen Fahrbahn vorgesehenen Betonleitwände zu den Betonleitwänden der Brückenkonstruktion einen Abstand aufweisen, erfolgt ausschließlich ein Verschieben dieser Betonleitwände. Dies hat zur Folge, dass ein Fahrzeug, durch das unmittelbar vor einer Brückenkonstruktion die Betonleitwände der festen Fahrbahn verschoben wurden, auf die Schmalseite der mit der Brückenkonstruktion verbundenen Betonleitwand auffährt. Der entsprechende Aufprall ist ungedämpft und führt daher zu sehr schweren Unfällen.For roadway limitation, the provision of Betonleitwänden is known. These are usually stepped in cross-section concrete elements, which are provided in the longitudinal direction with reinforcing elements, such as wire ropes. Such concrete guide walls are for example in DE 101 45 647 and in DE 10 2005 030 412 described. Corresponding concrete baffles are also used on bridges to the roadway boundary, in which case the concrete guide walls are usually firmly connected to the bridge construction, in particular by providing anchors. In bridge structures and the like changes due to temperature fluctuations whose length. Between the fixed track and the bridge construction, it is therefore necessary to provide expansion joints to allow corresponding longitudinal extensions of the bridge. In this respect, it is also necessary that a distance is provided in the longitudinal direction between the concrete guide walls provided with respect to the fixed roadway and the concrete guide walls of the bridge structure. Due to the distance between concrete guideways in the transition region between the fixed carriageway and the bridge construction, there is a considerable potential for danger in the event of a collision of a vehicle. If, for example, a vehicle is driving against a concrete guide wall shortly before a bridge, this concrete guide wall will become ground due to the impact, in particular also for damping the concrete Impact, shifted outwards. Since the measures provided for at the edge of the fixed carriageway concrete guide walls to the Betonleitwänden the bridge structure have a distance, only a displacement of these concrete guide walls. As a result, a vehicle through which the concrete guide walls of the fixed carriageway have been displaced immediately in front of a bridge construction ascends to the narrow side of the concrete guide wall connected to the bridge construction. The corresponding impact is undamped and therefore leads to very serious accidents.

Aus DE 100 26 621 ist ein Kolben-Zylinder-System zur Verbindung von zwei Betonleitwänden bekannt. Ferner ist aus FR 2 825 728 eine Abdeckung bzw. Kappe bekannt, um einen Spalt zwischen zwei aneinandergrenzende Betonleitwände zu überdecken.Out DE 100 26 621 is a piston-cylinder system for connecting two Betonleitwänden known. Furthermore, it is off FR 2 825 728 a cap or cap known to cover a gap between two adjacent concrete guide walls.

Aufgabe der Erfindung ist es, eine Übergangskonstruktion zwischen Betonleitwänden, insbesondere an Übergängen zu Brückenbauwerken zu schaffen, durch die die Schwere von Unfällen verringert werden kann.The object of the invention is to provide a transitional construction between Betonleitwänden, especially at transitions to bridge structures, by which the severity of accidents can be reduced.

Die Lösung der Aufgabe erfolgt erfindungsgemäß durch die Merkmale des Anspruchs 1.The object is achieved according to the invention by the features of claim 1.

Die erfindungsgemäße Übergangskonstruktion zwischen Betonleitwänden, die insbesondere für den Übergang zwischen Betonleitwänden an Übergängen von einer Straße zu einem Brückenbauwerk geeignet ist, weist eine erste und eine zweite Betonleitwand auf. Eine der beiden Betonleitwände ist hierbei auf der Straße zur Fahrbahnbegrenzung und die andere Betonleitwand beispielsweise auf dem Brückenbauwerk vorgesehen. Erfindungsgemäß sind beide Betonleitwände mit einem Verbindungselement verbunden, wobei die beiden Verbindungselemente zwischen den insbesondere in einem Abstand zueinander angeordneten Betonleitwänden vorgesehen sind. Erfindungsgemäß überlappen sich die beiden Verbindungselement in Längsrichtung und sind über mindestens ein Halteelement derart miteinander verbunden, dass ein Verschieben der beiden Verbindungselemente in Längsrichtung zueinander möglich ist. Durch das Vorsehen von über mindestens ein Halteelement miteinander verbundenen Verbindungselementen wird somit zunächst erfindungsgemäß eine Verbindung der beiden Betonleitwände hergestellt. Dies hat den Vorteil, dass beim Aufprall eines Kraftfahrzeugs auf die Betonleitwand kurz vor dem Brückenbauwerk diese nicht derart verschoben werden kann, dass das Kraftfahrzeug frontal gegen die Schmalseite der mit dem Brückenbauwerk verbundenen Betonleitwand prallt. Vielmehr erfolgt trotz des ggf. geringfügigen Verschiebens der Betonleitwand aufgrund des Vorsehens der Verbindungselemente zwischen den beiden Betonleitwänden ein fließender Übergang.The transition structure according to the invention between concrete guide walls, which is particularly suitable for the transition between Betonleitwänden at transitions from a road to a bridge structure, has a first and a second Betonleitwand. One of the two concrete guide walls is provided here on the road to the road boundary and the other Betonleitwand example, on the bridge structure. According to both concrete guide walls are connected to a connecting element, wherein the two Connecting elements between the particular arranged at a distance from each other Betonleitwänden are provided. According to the invention, the two connecting elements overlap in the longitudinal direction and are connected to one another via at least one holding element such that a displacement of the two connecting elements in the longitudinal direction relative to each other is possible. By providing interconnected via at least one retaining element connecting elements, a connection of the two concrete baffles is thus first prepared according to the invention. This has the advantage that the impact of a motor vehicle on the concrete wall just before the bridge structure it can not be shifted in such a way that the motor vehicle collides head-on against the narrow side of the concrete guide wall connected to the bridge structure. Rather, despite the possibly slight displacement of the Betonleitwand due to the provision of the connecting elements between the two Betonleitwänden a smooth transition.

Da die beiden Verbindungselemente erfindungsgemäß über mindestens ein Halteelement derart miteinander verbunden sind, dass eine Verschiebung in Längsrichtung möglich ist, ist den auftretenden Längenveränderungen des Brückenbauwerks Rechnung getragen. Die aufgrund von Temperaturschwankungen auftretenden Längenveränderungen des Brückenbauwerks sind somit trotz des Vorsehens einer Verbindung zwischen den beiden Betonleitwänden möglich.Since the two connecting elements according to the invention are interconnected via at least one retaining element such that a displacement in the longitudinal direction is possible, the length changes occurring in the bridge structure is taken into account. The length variations of the bridge structure occurring due to temperature fluctuations are thus possible despite the provision of a connection between the two Betonleitwänden.

Erfindungsgemäß weist zumindest eines der beiden, vorzugsweise beide Verbindungselemente mindestens einen Längsschlitz auf, wobei durch den Längsschlitz das mindestens eine Halteelement ragt. Hierbei kann das Halteelement, das insbesondere stift- oder stabförmig ausgebildet ist, mit einem der beiden Verbindungselemente fest verbunden sein und in den Schlitz des anderen Verbindungselements ragen. In diesem Fall kann als Halteelement ein mit einem der Verbindungselemente verschweißter Bolzen vorgesehen sein. Bevorzugt ist es, dass das Halteelement mit keinem der beiden Verbindungselemente fest verbunden ist sondern durch beide Verbindungselemente hindurch ragt. Hierbei ist das Halteelement insbesondere stiftförmig, vorzugsweise als Bolzen, ausgebildet. Insbesondere kann es sich um eine Schraube mit einer Mutter handeln. Hierbei ragt das Halteelement beispielsweise durch eine in dem einen Verbindungselement vorgesehene, runde Öffnung und durch einen Längsschlitz in dem anderen Verbindungselement. Bevorzugt ist es, dass beide Verbindungselemente mindestens einen Längsschlitz aufweisen, die sich in montiertem Zustand überdecken, so dass das Halteelement durch beide Längsschlitze ragt. In besonders bevorzugter Ausführungsform sind mehrere Längsschlitze je Verbindungselement vorgesehen, die sich jeweils paarweise überdecken. Vorzugsweise ist je Längsschlitz-Paar ein Halteelement vorgesehen, das durch beide Längsschlitze ragt.According to the invention, at least one of the two, preferably both connecting elements has at least one longitudinal slot, wherein the at least one holding element protrudes through the longitudinal slot. Here, the holding element, which is in particular pen or rod-shaped, be firmly connected to one of the two connecting elements and protrude into the slot of the other connecting element. In this case may be provided as a holding element welded to one of the connecting elements bolt. It is preferred that the holding element is firmly connected to neither of the two connecting elements but protrudes through both connecting elements. Here, the holding element is in particular a pin-shaped, preferably designed as a bolt. In particular, it may be a screw with a nut. In this case, the holding element protrudes, for example, by a round opening provided in one connecting element and by a longitudinal slot in the other connecting element. It is preferred that both connecting elements Have at least one longitudinal slot, which overlap in the assembled state, so that the holding member protrudes through both longitudinal slots. In a particularly preferred embodiment, a plurality of longitudinal slots are provided per connecting element, which overlap in pairs. Preferably, a retaining element is provided per longitudinal slot pair, which projects through both longitudinal slots.

Um ein Auseinanderrutschen der Verbindungselemente, insbesondere beim Aufprall, zu vermeiden, ist die Verschiebbarkeit der beiden Verbindungselemente in Längsrichtung zueinander in bevorzugter Ausführungsform beschränkt. Hierzu ist vorzugsweise ein Anschlagelement zur Begrenzung des Auseinanderziehens der Verbindungselemente in Längsrichtung vorgesehen.In order to avoid slippage of the connecting elements, in particular during impact, the displaceability of the two connecting elements in the longitudinal direction to each other in a preferred embodiment is limited. For this purpose, a stop element for limiting the pulling apart of the connecting elements in the longitudinal direction is preferably provided.

Um eine Verschiebung der beiden Verbindungselemente zueinander zu ermöglichen kann beispielsweise ein elastisches Zwischenelement vorgesehen sein. Als Anschlagelement kann zwischen den beiden Verbindungselementen beispielsweise ein in einen Schlitz eingreifender Zapfen angeordnet sein, so dass das Schlitzende als Anschlagelement dient. Ebenso kann zwischen den beiden Verbindungselementen ein nicht-elastisches Element, wie ein Drahtseil, vorgesehen sein, das bei der Bewegung der Verbindungselemente im zulässigen Bereich durchhängt bzw. nicht gespannt ist. Bei einem maximalen Auseinanderschieben der Verbindungselemente ist das Anschlagelement sodann gespannt und dient insofern als Anschlagelement, da ein weiteres Auseinaderziehen der Verbindungselemente nicht mehr möglich ist.In order to enable a displacement of the two connecting elements to one another, for example, an elastic intermediate element can be provided. As a stop element, for example, a pin engaging in a slot can be arranged between the two connecting elements, so that the slot end serves as a stop element. Likewise, a non-elastic element, such as a wire rope, can be provided between the two connecting elements, which sags or is not tensioned during the movement of the connecting elements in the permissible range. At a maximum telescoping of the connecting elements is the stop element then stretched and serves as a stop element, as further Auseinaderziehen the fasteners is no longer possible.

Erfindungsgemäß überlappen sich die beiden Verbindungselemente zumindest teilweise. Hierbei ist es besonders bevorzugt, dass eines der beiden Verbindungselemente einen U-förmigen Querschnitt oder einen U-förmigen Ansatz aufweist. Dieser umschließt das andere Verbindungselement zumindest teilweise. Das andere Verbindungselement kann somit zumindest teilweise plattenförmig ausgebildet sein, wobei der plattenförmige Teil zwischen den beiden Schenkeln des U-förmigen Teils des anderen Verbindungselements angeordnet ist. Hierdurch ist zusätzlich eine seitliche Führung realisiert. In bevorzugter Ausführungsform weisen die beiden Schenkel des U-förmig ausgebildeten Verbindungselements bzw. des U-förmig ausgebildeten Ansatzes des Verbindungselements einander gegenüberliegende Längsschlitze auf. Das andere zwischen den beiden Schenkeln angeordnete Verbindungselement weist ebenfalls korrespondierende Längsschlitze auf. Die entsprechenden Halteelemente sind durch die jeweils drei sich überdeckenden Längsschlitze gesteckt, wobei es sich bei den Halteelementen insbesondere um stiftförmige Elemente, wie Bolzen und dergleichen, handelt.According to the invention, the two connecting elements overlap at least partially. It is particularly preferred that one of the two connecting elements has a U-shaped cross section or a U-shaped projection. This encloses the other connecting element at least partially. The other connecting element may thus be at least partially plate-shaped, wherein the plate-shaped part between the two legs of the U-shaped part of the another connecting element is arranged. As a result, a lateral guide is additionally realized. In a preferred embodiment, the two legs of the U-shaped connecting element or the U-shaped projection of the connecting element on each other opposite longitudinal slots. The other arranged between the two legs connecting element also has corresponding longitudinal slots. The corresponding holding elements are inserted through the respective three overlapping longitudinal slots, wherein the holding elements are in particular pin-shaped elements, such as bolts and the like.

In bevorzugter Ausführungsform weist eine, insbesondere beide Betonleitwände Bewehrungselemente auf. Bei den Bewehrungselementen handelt es sich insbesondere um in Längsrichtung verlaufende Bewehrungselemente, wie Stahlseile oder dergleichen. Diese sind vorzugsweise in einer vertikalen Ebene übereinander angeordnet, wobei beispielsweise drei bis sieben Stahlseile mit einem Durchmesser von 10 - 20 mm vorgesehen sind. Vorzugsweise erfolgt die Verbindung zwischen den Verbindungselementen und den Betonleitwänden über die Bewehrungselemente, Hierbei ist es bevorzugt, dass insbesondere alle Bewehrungselemente aus einer Stirnseite der Betonleitelemente hervorragen und mit den Verbindungselementen verbunden sind. Insbesondere sind alle Bewehrungselemente aus der Betonleitwand herausgeführt und alle Bewehrungselemente mit dem jeweiligen Verbindungselement fest verbunden, insbesondere verschweißt.In a preferred embodiment, one, in particular both concrete guide walls on reinforcing elements. The reinforcing elements are in particular longitudinal reinforcing elements, such as steel cables or the like. These are preferably arranged one above the other in a vertical plane, for example, three to seven steel cables are provided with a diameter of 10 - 20 mm. Preferably, the connection between the connecting elements and the Betonleitwänden via the reinforcing elements, it is preferred that in particular all the reinforcing elements protrude from an end face of the concrete guide elements and are connected to the connecting elements. In particular, all reinforcing elements are led out of the concrete guide wall and all reinforcing elements firmly connected to the respective connecting element, in particular welded.

Nachfolgend wird die Erfindung anhand einer bevorzugten Ausführungsform unter Bezugnahme auf die anliegenden Zeichnungen näher erläutert.The invention will be explained in more detail with reference to a preferred embodiment with reference to the accompanying drawings.

Es zeigen:Show it:

Fig. 1Fig. 1
eine schematische Seitenansicht einer erfindungsgemäßen Übergangskonstruktion zwischen Betonleitwänden an einem Übergang zu einem Brückenbauwerk,a schematic side view of a transition structure according to the invention between Betonleitwänden at a transition to a bridge structure,
Fig. 2Fig. 2
eine schematische Draufsicht der in Fig. 1 dargestellten Übergangskonstruktion, unda schematic plan view of the in Fig. 1 illustrated transitional construction, and
Fig. 3Fig. 3
eine schematische Seitenansicht eines Teils der Übergangskonstruktion.a schematic side view of a part of the transition structure.

In dem dargestellten Ausführungsbeispiel ist eine erste Betonleitwand 10 auf einer Fahrbahn 12 aufgestellt. Eine zweite Betonleitwand 14 ist auf einem Brückenbauwerk 16 befestigt. Die Betonleitwand 14 ist über Dübel 18 mit dem Brückenbauwerk 16 befestigt. Das Brückenbauwerk 16 trägt ebenfalls eine Fahrbahnschicht 20. Ein Träger des Brückenbauwerks 16 liegt auf einem Aufleger 22 auf. Hierbei ist ein Spalt 24 vorgesehen, um ein Ausdehnen des Brückenbauwerks 16 in Längsrichtung 26 zu ermöglichen.In the illustrated embodiment, a first concrete guide wall 10 is placed on a roadway 12. A second concrete guide wall 14 is mounted on a bridge structure 16. The concrete guide wall 14 is attached via dowels 18 to the bridge structure 16. The bridge structure 16 also carries a roadway layer 20. A support of the bridge structure 16 rests on a trailer 22. Here, a gap 24 is provided to allow expansion of the bridge structure 16 in the longitudinal direction 26.

Die beiden Betonleitwände 10, 14 sind über zwei Verbindungselemente 28, 30 miteinander verbunden. Das erste Verbindungselement 28 ist im dargestellten Ausführungsbeispiel als Platte ausgebildet und fest mit allen fünf in der ersten Betonleitwand 10 angeordneten Bewehrungselementen 32 verbunden, insbesondere verschweißt.The two concrete guide walls 10, 14 are connected to each other via two connecting elements 28, 30. The first connecting element 28 is formed in the illustrated embodiment as a plate and firmly connected to all five arranged in the first concrete guide wall 10 reinforcing elements 32, in particular welded.

Das zweite Verbindungselement ist im Querschnitt U-förmig ausgebildet und ebenfalls fest mit den fünf Bewehrungselementen 32 der zweiten Betonleitwand 14 verbunden.The second connecting element is U-shaped in cross-section and also firmly connected to the five reinforcing elements 32 of the second concrete guide wall 14.

Das erste Verbindungselement 28 weist im dargestellten Ausführungsbeispiel fünf Längsschlitze 34 (Fig. 3) auf. Die Längsschlitze 34 fluchten im dargestellten Ausführungsbeispiel mit den Bewehrungselementen 32, so dass sie auf selber Höhe wie die Bewehrungselemente 32 angeordnet sind.The first connecting element 28 has in the illustrated embodiment, five longitudinal slots 34 ( Fig. 3 ) on. The longitudinal slots 34 are aligned in the illustrated embodiment with the reinforcing elements 32, so that they are arranged at the same height as the reinforcing elements 32.

Das im Querschnitt U-förmige zweite Verbindungselement 30 weist in beiden einander gegenüberliegenden Schenkeln 36 (Fig. 2) ebenfalls fünf Längsschlitze 38 auf, die im dargestellten Ausführungsbeispiel wiederum mit den Bewehrungselementen 32 der zweiten Betonleitwand 14 fluchten. In montiertem Zustand liegen die Längsschlitze 38 somit über den Längsschlitzen 34. Es ist somit möglich, im dargestellten Ausführungsbeispiel als Schrauben ausgebildete Halteelemente 40 durch die Längsschlitze 34, 38 zu stecken.The cross-sectionally U-shaped second connecting element 30 has in both opposite legs 36 (FIG. Fig. 2 ) also five longitudinal slots 38, which in turn are aligned with the reinforcing elements 32 of the second concrete guide wall 14 in the illustrated embodiment. In the assembled state, the longitudinal slots 38 thus lie over the longitudinal slots 34. It is thus possible, in the illustrated embodiment designed as screws holding elements 40 through the longitudinal slots 34, 38 to stick.

Aufgrund des Vorsehens von Längsschlitzen 34, 38, in denen stabförmige Halteelemente 40 vorgesehen sind, ist es möglich, Ausdehnungen des Brückenbauwerks in Längsrichtung 26 auszugleichen. Hierbei verschieben sich die Verbindungselemente 28, 30 in Längsrichtung 26 zueinander. Dennoch ist erfindungsgemäß eine Verbindung zwischen den beiden Betonleitwänden 10, 14 vorgesehen. Dies hat den Vorteil, dass bei einem Aufprall eines Kraftfahrzeugs in Richtung eines Pfeils 42 (Fig. 2) die Betonleitwand 10 nicht derart von der Fahrbahn 12 geschoben werden kann, dass ein Kraftfahrzeug an eine Stirnseite 44 der Betonleitwand 14 aufprallt. Vielmehr wird durch die Verbindungselemente 28, 30 trotz eines Verschiebens der Betonleitwand 10 sichergestellt, dass eine Verbindung zwischen den beiden Betonleitwänden 10, 14 erhalten bleibt und das Kraftfahrzeug somit nicht gegen eine Stirnseite 44 prallt sondern auf die Fahrbahn zurückgelenkt wird.Due to the provision of longitudinal slots 34, 38, in which rod-shaped holding elements 40 are provided, it is possible to compensate for expansions of the bridge structure in the longitudinal direction 26. Here, the connecting elements 28, 30 move in the longitudinal direction 26 to each other. Nevertheless, a connection between the two Betonleitwänden 10, 14 is provided according to the invention. This has the advantage that in the event of a collision of a motor vehicle in the direction of an arrow 42 (FIG. Fig. 2 ) the concrete guide wall 10 can not be pushed from the roadway 12 so that a motor vehicle impacts an end face 44 of the concrete guide wall 14. Rather, it is ensured by the connecting elements 28, 30 despite moving the Betonleitwand 10 that a connection between the two Betonleitwänden 10, 14 is maintained and the motor vehicle thus does not bounce against an end face 44 but is directed back to the road.

Bei einem Aufprall eines Kraftfahrzeugs, beispielsweise in Richtung eines Pfeils 42, auf die erste Betonleitwand 10 werden die beiden Verbindungselemente 28, 30 in Längsrichtung 26 auseinander gezogen. Dies geschieht bis die Halteelemente 40 an ein Anschlagelement anstoßen, wobei es sich im dargestellten Ausfuhrungsbeispiel bei den Anschlagelementen um die Enden 45 der ersten Längsschlitze 34 sowie um die Enden 46 der zweiten Längsschlitze 38 handelt.In an impact of a motor vehicle, for example in the direction of an arrow 42, on the first concrete guide wall 10, the two connecting elements 28, 30 are pulled apart in the longitudinal direction 26. This happens until the holding elements 40 abut against a stop element, wherein it is in the illustrated embodiment, the stop elements around the ends 45 of the first longitudinal slots 34 and the ends 46 of the second longitudinal slots 38.

Claims (9)

  1. Transition structure between concrete restraint walls (10, 14), in particular at transitions to bridge structures (16), comprising
    a first concrete restraint wall (10) connected to a first connecting element (28), and
    a second concrete restraint wall (14) connected to a second connecting element (30),
    characterized in that
    the two connecting elements (28, 30) arranged between the two concrete restraint walls (10, 14) are interconnected by at least one holder element (40), overlap at least partly in the longitudinal direction (26) and are adapted to be shifted with respect to each other in the longitudinal direction (26), and
    at least one of the two, preferably both connecting elements (28, 30) comprise at least one longitudinal slot (24, 38) through which extends the at least one holder element (40).
  2. Transmission structure of claim 1, characterized in that said connecting elements (28, 30) and/or said at least one holder element (40) are configured such that the displacement in the longitudinal direction (26) is restricted.
  3. Transmission structure of claim 1 or 2, characterized by a stop element (44, 46) for limiting the pulling apart of the connecting elements (28, 30) in the longitudinal direction (26).
  4. Transition structure of one of claims 1 to 3, characterized in that at least one, preferably both concrete restraint walls (10, 14) comprise reinforcement elements (32) that are at least partly connected with a respective connecting element (28, 30).
  5. Transition structure of one of claims 1 to 4, characterized in that said at least one holder element (40) is rigidly connected to at least one of the two connecting elements (28, 30).
  6. Transition structure of one of claims 1 to 5, characterized in that at least one of the holder elements (40) extends through both connecting elements (28, 30) and comprises a holding head at both ends.
  7. Transition structure of one of claims 1 to 6, characterized in that one of the two connecting elements (30) is U-shaped and partly surrounds the other connecting element (28).
  8. Transition element of one of claims 1 to 7, characterized in that the number of longitudinal slots (34, 38) corresponds to the number of reinforcement elements (32) connected to at least one of said two connecting elements (28, 30).
  9. Transition structure of one of claims 1 to 8, characterized in that at least a part, preferably all of the longitudinal slots (34, 38) are flush with the reinforcement elements (32).
EP09159552A 2009-01-29 2009-05-06 Transition structure between concrete restraint walls Not-in-force EP2213800B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202009001131U DE202009001131U1 (en) 2009-01-29 2009-01-29 Transitional construction between concrete baffles

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EP2213800A1 EP2213800A1 (en) 2010-08-04
EP2213800B1 true EP2213800B1 (en) 2011-08-31

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EP09159552A Not-in-force EP2213800B1 (en) 2009-01-29 2009-05-06 Transition structure between concrete restraint walls

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EP (1) EP2213800B1 (en)
AT (1) ATE522665T1 (en)
DE (1) DE202009001131U1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009016995U1 (en) 2009-12-16 2010-04-08 Tss Technische Sicherheits-Systeme Gmbh Connecting element and connection system for connecting concrete sliding walls
EP2339071B1 (en) * 2009-12-22 2015-04-15 Strabag Ag Bridging element and roadway barrier element
DE202012006219U1 (en) 2012-06-27 2012-07-24 Tss Technische Sicherheits-Systeme Gmbh Road boundary element
CA2936510C (en) 2016-07-19 2022-08-30 Ben Powell A transition barrier for connecting a permanent barrier to a temporary barrier

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206167C2 (en) * 1981-02-28 1983-11-17 Hein, Lehmann AG, 4000 Düsseldorf Device for guiding a safety rope within a multi-part railing
AT409006B (en) 1999-06-04 2002-05-27 Schmaranz Ing Rudolf GUIDE COUPLING FOR CONNECTING GUIDE ELEMENTS
FR2825728B1 (en) 2001-06-07 2003-08-15 Anciens Etablissements Fremont METHOD FOR ENSURING THE CONTINUITY OF THE PROTECTION PROVIDED BY A WALL IN WHICH INTERRUPTIONS ARE PRACTICED AND THE WORK OBTAINED
DE20114675U1 (en) * 2001-09-06 2001-11-29 Diehl, Karl-Heinz, 56479 Rehe bridge railing
DE10145647C1 (en) 2001-09-15 2003-01-16 Tss Tech Sicherheits Systeme G Safety bollard, for concrete road, has stepped profile with base section embedded directly in concrete road surface
AT413562B (en) * 2003-10-30 2006-03-15 Maba Fertigteilind Gmbh RESTRAINT SYSTEM
DE102005030412A1 (en) 2005-06-30 2007-01-04 Tss Technische Sicherheits-Systeme Gmbh Restraint system

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EP2213800A1 (en) 2010-08-04
ATE522665T1 (en) 2011-09-15

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