EP2354314A1 - Bridge-roadway separation system and method for producing same - Google Patents

Bridge-roadway separation system and method for producing same Download PDF

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Publication number
EP2354314A1
EP2354314A1 EP10152641A EP10152641A EP2354314A1 EP 2354314 A1 EP2354314 A1 EP 2354314A1 EP 10152641 A EP10152641 A EP 10152641A EP 10152641 A EP10152641 A EP 10152641A EP 2354314 A1 EP2354314 A1 EP 2354314A1
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EP
European Patent Office
Prior art keywords
bridge
concrete
recess
protective wall
limiting
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Granted
Application number
EP10152641A
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German (de)
French (fr)
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EP2354314B1 (en
Inventor
Wolfgang Dr. Bunz
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TSS Technische Sicherheits-Systeme GmbH
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TSS Technische Sicherheits-Systeme GmbH
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Priority to EP10152641.6A priority Critical patent/EP2354314B1/en
Priority to EP12160488.8A priority patent/EP2472007B8/en
Publication of EP2354314A1 publication Critical patent/EP2354314A1/en
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Publication of EP2354314B1 publication Critical patent/EP2354314B1/en
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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
    • E01F15/081—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
    • 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

Definitions

  • the invention relates to a bridge lane boundary system.
  • concrete protection walls For the limitation of roads, especially highways are known in addition to the commonly used steel crash barriers concrete protection walls. Concrete barriers have in comparison to steel crash barriers considerable advantages, in particular a better retention capacity.
  • concrete protective walls In addition to in the road, for example, anchored in track grooves concrete protective walls, so-called free-standing concrete barriers are known. Such concrete protection walls are placed, for example, on a roadway top or on an adjacent to the roadway, fixed support layer. On the one hand, this may be mobile individual prefabricated concrete protection walls which can be used, for example, in construction site areas. Likewise, freestanding concrete protection walls can also be produced in large quantities by in-situ concrete. Such, in particular multi-stage concrete protective wall is in particular in DE 20 2005 010 248 described. Opposite anchored concrete protection walls have freestanding anchored Concrete protection walls in particular the advantage that the impact of a motor vehicle by moving the concrete protection wall is a damping of the impact.
  • the roadway boundary on bridges represents a particularly critical area. Normally steel guardrails are used in this area. However, since the compliance of steel crash barriers is very different from that of concrete barriers, it is necessary that the transition between steel barriers and concrete barriers be specially designed. For this purpose, special transitional designs have been developed to avoid in particular that a motor vehicle due to the strong deformation of the steel guardrail impacts on the front side of the concrete protective wall. A suitable transitional construction is in EP 1 645 691 described. Although a reliable transition between restraint systems of different compliance can be realized by such transition systems, this is technically complex and thus costly devices.
  • the object of the invention is to provide a bridge lane boundary system and a method for its production, which is inexpensive to produce and preferably can be connected well to concrete barriers.
  • the object is achieved according to the invention by a bridge roadway boundary system according to claim 1 or a method according to claim 11.
  • the bridge roadway boundary system has a bridge cap arranged laterally next to a roadway.
  • a bridge cap protects the longitudinal edge of a bridge.
  • Bridge caps are usually made of concrete with steel reinforcements, wherein the bridge cap can also be integrally formed with the bridge itself.
  • the concrete protective wall is a prefabricated concrete protection wall made of in-situ concrete, as used, for example, in DE 20 2005 010 248 is described. Since it is thus a free-standing concrete protective wall according to the invention, it can be displaced laterally in the event of an impact when overcoming the frictional forces between the top of the bridge cap and a particular flat underside of the concrete protective wall. In order to avoid that the concrete protective wall is pushed in extreme cases beyond the edge of the bridge cap and then falls down from the bridge, a limiting element is provided according to the invention.
  • the limiting element limits the lateral displaceability of the concrete protective wall in the event of an impact. Due to the provision according to the invention of such a limiting element, it is possible to provide anchored or freely standing concrete protection walls on bridges. In this case, the concrete protection walls are laterally displaceable at least by a certain predetermined amount, so that damping of the impact is ensured. On the other hand, a sliding down of the concrete protective wall is avoided by the bridge due to the limiting element.
  • the limiting element is firmly connected to the concrete protection wall or the bridge cap, with a fixed connection with the bridge cap is preferred.
  • the delimiting element preferably protrudes into a recess of the concrete protective wall or the bridge cap.
  • the recess is provided in the underside of the concrete protective wall and open in the direction of the bridgehead.
  • the recess itself is in this case preferably designed such that it is closed on the carriageway side. This ensures that when moving in the event of an impact, the concrete protective wall can be pushed away from the road to the boundary element facing the direction of the roadway Inside of the recess abuts.
  • the recess is also laterally closed on the side facing away from the roadway, so that the recess in a preferred embodiment has a substantially cuboid cross-section.
  • a push plate is provided between the concrete protection wall, in particular the underside of the concrete protection wall, and the bridge cap, in particular the upper side of the bridge cap.
  • the push plate is preferably connected to the concrete protective wall. This connection can take place in that the push plate an upward, i. has away from the bridge cap approaching or folding, for example, on an inner side, i. a facing in the direction of the road side of the concrete protection wall.
  • the thrust plate has an opening through which the limiting element projects into the recess.
  • the provided in the thrust plate opening through which protrudes the particular rod-shaped limiting element is formed such that the width of the opening increases from the side facing away from the lane to the side facing the lane.
  • the opening is thus formed substantially triangular.
  • the limiting element is arranged in the unshielded shape of the concrete protective wall in the narrower region of the opening or in the apex of the triangle and thus the position of the concrete protective wall is clearly defined. Due to the broadening of the opening, it is possible not only to move the concrete protection wall laterally, ie in the direction of the outer edge of the bridge cap away from the roadway, but also to allow a slight shift in the roadway longitudinal direction. This is in particular a Load of the limiting element avoided in the longitudinal direction of the road and thus ensures that the limiting element can take the transverse to the roadway longitudinal direction, ie laterally acting forces when limiting the shift safely.
  • the dimension of the opening in the thrust plate transversely to the longitudinal direction of the concrete protection wall corresponds to the dimension of the recess in this direction in a preferred embodiment.
  • the limiting element abuts both the end face of the opening of the thrust plate pointing in the direction of the roadway and the corresponding inner wall of the recess.
  • the limiting element is in particular designed as a pin or has a pin. This is anchored depending on the configuration in the bridge cap or concrete protection wall, it being preferred to anchor the pin in the bridge cap, so that the pin protrudes through the opening of the thrust plate in the recess provided in the concrete protective wall.
  • the area of the bridge cap on which the concrete protection wall rests is inclined.
  • the inclination takes place here in the direction of the road, so that in case of impact, the concrete protection wall against the inclination of the bridge cap must be pushed upwards.
  • the limiting element additionally has the task of preventing the concrete protective wall from slipping onto the roadway. This is ensured, for example, that the particular pin-shaped limiting element rests against an inner wall of the recess facing away from the roadway, as long as no displacement of the concrete protective wall has occurred due to an impact.
  • the limiting element may abut in the side facing away from the roadway inside the opening of the thrust plate.
  • the inside of the recess may additionally be lined by a mounting hood.
  • a mounting hood is, as explained below, particularly advantageous in the production of concrete protection walls of in-situ concrete.
  • the production of the bridge roadway boundary system according to the invention is carried out in a particularly preferred embodiment as described below, wherein it is particularly preferred that the concrete protective wall is made of in-situ concrete.
  • a fixing of the particular pin-shaped limiting element takes place in the bridge cap.
  • this may be a plug to be inserted into the bridge cap, which for example has a diameter of 16 to 18 mm. It is preferred in this case that corresponding limiting elements or dowels are arranged at a distance of 3 to 5 m in the bridge cap.
  • thrust plates can be arranged on the upper side of the bridge cap in such a way that the delimiting element projects in each case through the opening of a thrust plate.
  • the thrust plates can also be omitted.
  • the boundary elements in each case with a mounting hood.
  • the mounting hoods are preferably connected to the bridge cap, for example by screwing. If thrust plates are provided, the mounting hoods are connected to the thrust plates.
  • the push plates are used in addition to the position definition of the mounting hoods.
  • concrete protective wall can be made by in-situ concrete, so that a free standing not fixed in the bridge cap concrete protective wall, such as in DE 20 2005 010 248 described, can be produced.
  • An underside of the concrete protection wall is here laterally displaceable on the top of the bridge cap.
  • the mounting hood is in this case arranged such that the foot of the concrete protection wall completely surrounds the mounting hood.
  • a bridge cap 12 is arranged laterally, which is provided with reinforcing bars 14. At an inner side of the bridge cap, the road surface also schematically illustrated 16 connects.
  • a concrete protection wall 20 preferably made of in-situ concrete, is arranged on an upper side 18 of the bridge cap 12.
  • the concrete protection wall 20 is in a particularly preferred embodiment, a concrete protective wall with a retention level of at least H2 according to the Euronorm 1317-2, as for example in DE 20 2005 010 248 is described.
  • the concrete protective wall 20 is formed as a free-standing anchored concrete protective wall.
  • limiting elements 28 are provided.
  • the limiting elements 28 are formed in the illustrated embodiment as a pin-shaped dowels, which are fixed in the bridge cap 12 and protrude over the top 18 of the bridge cap 12.
  • the limiting elements 28 protrude into a rectangular cross-section recess 30 which at an underside 32 of the Concrete barrier 20 is provided.
  • the recess 30 is open towards the bottom 32.
  • the recess 30 is formed by a thrust plate 34 and a mounting hood 36 or limited.
  • the thrust plate 34 is arranged such that the pin-shaped limiting element is disposed within a triangular opening 38 of the thrust plate 34.
  • the opening 38 is substantially triangular in cross-section, wherein the pin-shaped limiting element 28 is arranged in the non-displaced concrete protection wall 20 in the direction away from the roadway 16 tip of the triangular opening ( FIG. 2 ).
  • the thrust plate 34 also has a contact surface or a rebate 40.
  • the fold 40 bears against the outer side 26 of the concrete protection wall 20 facing in the direction of the roadway 16.
  • the mounting hoods 36 are arranged on the limiting elements and connected, for example via schematically illustrated screw 42, 44 with the thrust plate 34.
  • the limiting element 28 is thus arranged in a recess 30 forming cavity.
  • the top 18 of the bridge cap 12 is inclined in the area of the footprint of the concrete protection wall 20. Starting from the roadway 60, the upper side 18 of the bridge cap thus rises.
  • the inclination here is usually 2.5% to 15 % and more preferably about 4%. Due to the inclination, the concrete protection wall 20 slips in the direction of the roadway 16.
  • the limiting element 28 is located on a side facing away from the roadway 16 inner wall 46 of the mounting hood 36 at ( FIG. 1 ).
  • the impact of a vehicle on the inside 26 of the concrete protection wall 20 is a lateral displacement of the concrete protection wall 20 in the direction of arrow 24.
  • the limiting element 28 is provided.
  • a displacement of the opening 38 of the thrust plate 34 takes place together with the concrete protection wall 20. The displacement takes place in this case until the pin-shaped limiting element 28 on an inner wall 48 of the mounting hood 36 and on an inner side 50 of the recess 38th abuts.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The bridge road boundary system is provided with bridge leaf (12) arranged on side next to a roadway (16) and a concrete barrier (20) on an upper surface (18) of the bridge leaf. A limiting element (28) is provided for limiting lateral displacement (24) of the concrete barrier. An independent claim is also included for a method for manufacturing a bridge road boundary system.

Description

Die Erfindung betrifft ein Brücken-Fahrbahnbegrenzungssystem.The invention relates to a bridge lane boundary system.

Zur Begrenzung von Straßen, insbesondere Autobahnen sind neben den häufig verwendeten Stahlleitplanken Betonschutzwände bekannt. Betonschutzwände weisen im Vergleich zu Stahlleitplanken erhebliche Vorteile, insbesondere ein besseres Rückhaltevermögen auf. Neben in der Fahrbahn, beispielsweise in Fahrbahnnuten verankerten Betonschutzwänden, sind auch sogenannte freistehende Betonschutzwände bekannt. Derartige Betonschutzwände werden beispielsweise auf eine Fahrbahnoberseite oder auf eine an die Fahrbahn angrenzende, befestigte Tragschicht aufgestellt. Hierbei kann es sich einerseits um mobile einzelne vorgefertigte Betonschutzwände handeln, die beispielsweise in Baustellenbereichen genutzt werden können. Ebenso können freistehende Betonschutzwände auch in großen Mengen durch Ortbeton hergestellt werden. Eine derartige, insbesondere mehrstufige Betonschutzwand ist insbesondere in DE 20 2005 010 248 beschrieben. Gegenüber verankerten Betonschutzwänden weisen freistehende unverankerte Betonschutzwände insbesondere den Vorteil auf, dass beim Aufprall eines Kraftfahrzeugs durch das Verschieben der Betonschutzwand eine Dämpfung des Aufpralls erfolgt.For the limitation of roads, especially highways are known in addition to the commonly used steel crash barriers concrete protection walls. Concrete barriers have in comparison to steel crash barriers considerable advantages, in particular a better retention capacity. In addition to in the road, for example, anchored in track grooves concrete protective walls, so-called free-standing concrete barriers are known. Such concrete protection walls are placed, for example, on a roadway top or on an adjacent to the roadway, fixed support layer. On the one hand, this may be mobile individual prefabricated concrete protection walls which can be used, for example, in construction site areas. Likewise, freestanding concrete protection walls can also be produced in large quantities by in-situ concrete. Such, in particular multi-stage concrete protective wall is in particular in DE 20 2005 010 248 described. Opposite anchored concrete protection walls have freestanding anchored Concrete protection walls in particular the advantage that the impact of a motor vehicle by moving the concrete protection wall is a damping of the impact.

Die Fahrbahnbegrenzung auf Brücken stellt einen besonders kritischen Bereich dar. Üblicherweise werden in diesem Bereich Stahlleitplanken eingesetzt. Da sich die Nachgiebigkeit von Stahlleitplanken stark von derjenigen von Betonschutzwänden unterscheidet, ist es hierbei jedoch erforderlich, dass der Übergang zwischen Stahlleitplanken und Betonschutzwänden besonders ausgestaltet ist. Hierzu sind besondere Übergangskonstruktionen entwickelt worden, um insbesondere zu vermeiden, dass ein Kraftfahrzeug aufgrund der starken Verformung der Stahlleitplanke auf die Stirnseite der Betonschutzwand aufprallt. Eine geeignete Übergangskonstruktion ist in EP 1 645 691 beschrieben. Wenngleich durch derartige Übergangssysteme ein zuverlässiger Übergang zwischen Rückhaltesystemen unterschiedlicher Nachgiebigkeit realisiert werden kann, handelt es sich hierbei um technisch aufwendige und insofern kostenintensive Vorrichtungen.The roadway boundary on bridges represents a particularly critical area. Normally steel guardrails are used in this area. However, since the compliance of steel crash barriers is very different from that of concrete barriers, it is necessary that the transition between steel barriers and concrete barriers be specially designed. For this purpose, special transitional designs have been developed to avoid in particular that a motor vehicle due to the strong deformation of the steel guardrail impacts on the front side of the concrete protective wall. A suitable transitional construction is in EP 1 645 691 described. Although a reliable transition between restraint systems of different compliance can be realized by such transition systems, this is technically complex and thus costly devices.

Aufgabe der Erfindung ist es ein Brücken-Fahrbahnbegrenzungssystem sowie ein Verfahren zu dessen Herstellung zu schaffen, das kostengünstig herstellbar ist und vorzugsweise gut an Betonschutzwände angeschlossen werden kann.The object of the invention is to provide a bridge lane boundary system and a method for its production, which is inexpensive to produce and preferably can be connected well to concrete barriers.

Die Lösung der Aufgabe erfolgt erfindungsgemäß durch ein Brücken-Fahrbahnbegrenzungssystem gemäß Anspruch 1 bzw. ein Verfahren gemäß Anspruch 11.The object is achieved according to the invention by a bridge roadway boundary system according to claim 1 or a method according to claim 11.

Das erfindungsgemäße Brücken-Fahrbahnbegrenzungssystem weist eine seitlich neben einer Fahrbahn angeordnete Brückenkappe auf. Durch eine Brückenkappe ist die Längskante einer Brücke geschützt. Brückenkappen sind üblicherweise aus Beton mit Stahlarmierungen hergestellt, wobei die Brückenkappe auch einstückig mit der Brücke selbst ausgebildet sein kann.The bridge roadway boundary system according to the invention has a bridge cap arranged laterally next to a roadway. A bridge cap protects the longitudinal edge of a bridge. Bridge caps are usually made of concrete with steel reinforcements, wherein the bridge cap can also be integrally formed with the bridge itself.

Auf einer Oberseite der Brückenkappe ist eine Betonschutzwand aufgestellt. Die Betonschutzwand ist somit nicht in der Brückenkappe oder einem anderen Teil der Brücke verankert. Vielmehr handelt es sich bei der Betonschutzwand um eine vorgefertigte oder aus Ortbeton hergestellte Betonschutzwand, wie sie beispielsweise in DE 20 2005 010 248 beschrieben ist. Da es sich somit erfindungsgemäß um eine freistehende Betonschutzwand handelt, kann diese im Fall eines Aufpralls bei Überwindung der Reibkräfte zwischen der Oberseite der Brückenkappe und einer insbesondere flachen Unterseite der Betonschutzwand seitlich verschoben werden. Um zu vermeiden, dass die Betonschutzwand in Extremfällen über die Kante der Brückenkappe hinausgeschoben wird und sodann von der Brücke herunterstürzt, ist erfindungsgemäß ein Begrenzungselement vorgesehen. Durch das Begrenzungselement ist die seitliche Verschiebbarkeit der Betonschutzwand im Falle eines Aufpralls begrenzt. Aufgrund des erfindungsgemäßen Vorsehens eines derartigen Begrenzungselements ist es möglich, auch auf Brücken unverankerte bzw. frei aufstehende Betonschutzwände vorzusehen. Hierbei sind die Betonschutzwände zumindest um einen gewissen vorgegebenen Betrag seitlich verschiebbar, so dass eine Dämpfung des Aufpralls gewährleistet ist. Andererseits ist aufgrund des Begrenzungselements ein Herunterschieben der Betonschutzwand von der Brücke vermieden.On top of the bridge cap a concrete protection wall is placed. The concrete protection wall is thus not anchored in the bridge cap or another part of the bridge. On the contrary, the concrete protective wall is a prefabricated concrete protection wall made of in-situ concrete, as used, for example, in DE 20 2005 010 248 is described. Since it is thus a free-standing concrete protective wall according to the invention, it can be displaced laterally in the event of an impact when overcoming the frictional forces between the top of the bridge cap and a particular flat underside of the concrete protective wall. In order to avoid that the concrete protective wall is pushed in extreme cases beyond the edge of the bridge cap and then falls down from the bridge, a limiting element is provided according to the invention. The limiting element limits the lateral displaceability of the concrete protective wall in the event of an impact. Due to the provision according to the invention of such a limiting element, it is possible to provide anchored or freely standing concrete protection walls on bridges. In this case, the concrete protection walls are laterally displaceable at least by a certain predetermined amount, so that damping of the impact is ensured. On the other hand, a sliding down of the concrete protective wall is avoided by the bridge due to the limiting element.

In bevorzugter Ausführungsform ist das Begrenzungselement fest mit der Betonschutzwand oder der Brückenkappe verbunden, wobei eine feste Verbindung mit der Brückenkappe bevorzugt ist. Das Begrenzungselement ragt hierbei vorzugsweise in eine Ausnehmung der Betonschutzwand bzw. der Brückenkappe. Bei der bevorzugten Fixierung des Begrenzungselements an dem Brückenkopf ist die Ausnehmung in der Unterseite der Betonschutzwand vorgesehen und in Richtung des Brückenkopfes offen. Die Ausnehmung selbst ist hierbei vorzugsweise derart ausgebildet, dass sie fahrbahnseitig verschlossen ist. Hierdurch ist gewährleistet, dass beim Verschieben im Falle eines Aufpralls die Betonschutzwand von der Fahrbahn weggeschoben werden kann bis das Begrenzungselement an die in Richtung der Fahrbahn weisende Innenseite der Ausnehmung stößt. Vorzugsweise ist die Ausnehmung auch auf der von der Fahrbahn abgewandten Seite seitlich geschlossen, so dass die Ausnehmung in bevorzugter Ausführungsform einen im Wesentlichen quaderförmigen Querschnitt aufweist.In a preferred embodiment, the limiting element is firmly connected to the concrete protection wall or the bridge cap, with a fixed connection with the bridge cap is preferred. The delimiting element preferably protrudes into a recess of the concrete protective wall or the bridge cap. In the preferred fixation of the limiting element on the bridgehead, the recess is provided in the underside of the concrete protective wall and open in the direction of the bridgehead. The recess itself is in this case preferably designed such that it is closed on the carriageway side. This ensures that when moving in the event of an impact, the concrete protective wall can be pushed away from the road to the boundary element facing the direction of the roadway Inside of the recess abuts. Preferably, the recess is also laterally closed on the side facing away from the roadway, so that the recess in a preferred embodiment has a substantially cuboid cross-section.

In einer weiteren bevorzugten Ausführungsform ist zwischen der Betonschutzwand, insbesondere der Unterseite der Betonschutzwand, und der Brückenkappe, insbesondere der Oberseite der Brückenkappe, eine Schubplatte vorgesehen. Die Schubplatte ist vorzugsweise mit der Betonschutzwand verbunden. Diese Verbindung kann hierbei dadurch erfolgen, dass die Schubplatte einen nach oben, d.h. weg von der Brückenkappe weisenden Ansatz bzw. Falz aufweist, der beispielsweise an einer Innenseite, d.h. einer in Richtung der Fahrbahn weisenden Seite der Betonschutzwand anliegt. Die Schubplatte weist eine Öffnung auf, durch die das Begrenzungselement in die Ausnehmung ragt. Durch Vorsehen der Schubplatte ist eine eindeutige Definition der Lage des Begrenzungselements möglich. Ferner wird durch Vorsehen einer Schubplatte die Herstellung des erfindungsgemäßen Brücken-Fahrbahnbegrenzungssystems wie weiter unten beschrieben deutlich vereinfacht.In a further preferred embodiment, a push plate is provided between the concrete protection wall, in particular the underside of the concrete protection wall, and the bridge cap, in particular the upper side of the bridge cap. The push plate is preferably connected to the concrete protective wall. This connection can take place in that the push plate an upward, i. has away from the bridge cap approaching or folding, for example, on an inner side, i. a facing in the direction of the road side of the concrete protection wall. The thrust plate has an opening through which the limiting element projects into the recess. By providing the thrust plate a clear definition of the position of the limiting element is possible. Furthermore, by providing a pusher plate, the manufacture of the bridge lane boundary system according to the invention as described below is significantly simplified.

Die in der Schubplatte vorgesehene Öffnung, durch die das insbesondere stabförmig ausgebildete Begrenzungselement ragt, ist derart ausgebildet, dass die Breite der Öffnung von der der Fahrbahn abgewandten Seite zu der der Fahrbahn zugewandten Seite zunimmt. Insbesondere ist die Öffnung somit im Wesentlichen dreieckförmig ausgebildet. Dies hat den Vorteil, dass das Begrenzungselement in der unverschobenen Form der Betonschutzwand in dem engeren Bereich der Öffnung bzw. in der Spitze des Dreiecks angeordnet ist und die Lage der Betonschutzwand somit eindeutig definiert ist. Aufgrund der Verbreiterung der Öffnung ist es möglich, die Betonschutzwand nicht nur seitlich, d. h. in Richtung der Außenkante der Brückenkappe von der Fahrbahn weg zu verschieben, sondern auch eine geringfügige Verschiebung in Fahrbahnlängsrichtung zuzulassen. Hierdurch ist insbesondere auch eine Belastung des Begrenzungselements in Fahrbahnlängsrichtung vermieden und somit sichergestellt, dass das Begrenzungselement die quer zur Fahrbahnlängsrichtung, d.h. seitlich wirkenden Kräfte beim Begrenzen der Verschiebung sicher aufnehmen kann.The provided in the thrust plate opening through which protrudes the particular rod-shaped limiting element is formed such that the width of the opening increases from the side facing away from the lane to the side facing the lane. In particular, the opening is thus formed substantially triangular. This has the advantage that the limiting element is arranged in the unshielded shape of the concrete protective wall in the narrower region of the opening or in the apex of the triangle and thus the position of the concrete protective wall is clearly defined. Due to the broadening of the opening, it is possible not only to move the concrete protection wall laterally, ie in the direction of the outer edge of the bridge cap away from the roadway, but also to allow a slight shift in the roadway longitudinal direction. This is in particular a Load of the limiting element avoided in the longitudinal direction of the road and thus ensures that the limiting element can take the transverse to the roadway longitudinal direction, ie laterally acting forces when limiting the shift safely.

Die Abmessung der Öffnung in der Schubplatte quer zur Längsrichtung der Betonschutzwand entspricht der Abmessung der Ausnehmung in dieser Richtung in bevorzugter Ausführungsform. Zur Begrenzung der Verschiebung der Betonschutzwand bei einem Aufprall stößt in dieser Ausführungsform das Begrenzungselement sowohl an der in Richtung der Fahrbahn weisenden Stirnseite der Öffnung der Schubplatte als auch an die entsprechende Innenwand der Ausnehmung an.The dimension of the opening in the thrust plate transversely to the longitudinal direction of the concrete protection wall corresponds to the dimension of the recess in this direction in a preferred embodiment. In order to limit the displacement of the concrete protective wall in the event of an impact, in this embodiment the limiting element abuts both the end face of the opening of the thrust plate pointing in the direction of the roadway and the corresponding inner wall of the recess.

Das Begrenzungselement ist insbesondere als Stift ausgebildet bzw. weist einen Stift auf. Diese ist je nach Ausgestaltung in der Brückenkappe oder der Betonschutzwand verankert, wobei es bevorzugt ist, den Stift in der Brückenkappe zu verankern, so dass der Stift durch die Öffnung der Schubplatte in die in der Betonschutzwand vorgesehene Ausnehmung ragt.The limiting element is in particular designed as a pin or has a pin. This is anchored depending on the configuration in the bridge cap or concrete protection wall, it being preferred to anchor the pin in the bridge cap, so that the pin protrudes through the opening of the thrust plate in the recess provided in the concrete protective wall.

Bei einer besonders bevorzugten Ausführungsform ist der Bereich der Brückenkappe, auf dem die Betonschutzwand aufsteht, geneigt. Die Neigung erfolgt hierbei in Richtung der Fahrbahn, so dass im Falle eines Aufpralls die Betonschutzwand gegen die Neigung der Brückenkappe nach oben geschoben werden muss. In dieser besonders bevorzugten Ausführungsform hat das Begrenzungselement zusätzlich die Aufgabe ein Rutschen der Betonschutzwand auf die Fahrbahn zu vermeiden. Dies ist beispielsweise dadurch gewährleistet, dass das insbesondere stiftförmige Begrenzungselement an einer von der Fahrbahn abgewandten Innenwand der Ausnehmung anliegt, solange noch kein Verschieben der Betonschutzwand aufgrund eines Aufpralls erfolgt ist. Zusätzlich kann das Begrenzungselement in der von der Fahrbahn abgewandten Innenseite der Öffnung der Schubplatte anliegen.In a particularly preferred embodiment, the area of the bridge cap on which the concrete protection wall rests is inclined. The inclination takes place here in the direction of the road, so that in case of impact, the concrete protection wall against the inclination of the bridge cap must be pushed upwards. In this particularly preferred embodiment, the limiting element additionally has the task of preventing the concrete protective wall from slipping onto the roadway. This is ensured, for example, that the particular pin-shaped limiting element rests against an inner wall of the recess facing away from the roadway, as long as no displacement of the concrete protective wall has occurred due to an impact. In addition, the limiting element may abut in the side facing away from the roadway inside the opening of the thrust plate.

Insbesondere bei einer nach innen, d.h. in Richtung der Fahrbahn geneigten Brückenkappe ist es bevorzugt, Schubplatte vorzusehen, die auf der Innenseite einen nach oben stehenden Falz oder Ansatz aufweisen. Durch eine derartige Aufkantung der Schubplatte ist ein Verschieben der Betonschutzwand nach innen auf die Fahrbahn vermieden. Ein derartiges ungewolltes Verändern der Lage der Betonschutzwand könnte beispielsweise durch Schwingungen der Brücke hervorgerufen werden.In particular with an inward, i. In the direction of the roadway inclined bridge cap, it is preferable to provide thrust plate having an upstanding fold or approach on the inside. By such Aufkantung the pusher displacement of the concrete protective wall is avoided inwardly on the roadway. Such unwanted changing the position of the concrete protective wall could be caused for example by vibrations of the bridge.

Die Innenseite der Ausnehmung kann zusätzlich durch eine Montagehaube ausgekleidet sein. Das Vorsehen einer Montagehaube ist, wie nachstehend erläutert, insbesondere bei der Herstellung der Betonschutzwände aus Ortbeton vorteilhaft.The inside of the recess may additionally be lined by a mounting hood. The provision of a mounting hood is, as explained below, particularly advantageous in the production of concrete protection walls of in-situ concrete.

Die Herstellung des erfindungsgemäßen Brücken-Fahrbahnbegrenzungssystems erfolgt in besonders bevorzugter Ausführungsform wie nachstehend beschreiben, wobei es hierbei besonders bevorzugt ist, dass die Betonschutzwand aus Ortbeton hergestellt wird.The production of the bridge roadway boundary system according to the invention is carried out in a particularly preferred embodiment as described below, wherein it is particularly preferred that the concrete protective wall is made of in-situ concrete.

In einem ersten Arbeitsschritt erfolgt ein Fixieren des insbesondere stiftförmig ausgebildeten Begrenzungselements in der Brückenkappe. Hierbei kann es sich in bevorzugter Ausführungsform um einen in die Brückenkappe einzusetzenden Dübel handeln, der beispielsweise einen Durchmesser von 16 bis 18 mm aufweist. Bevorzugt ist es hierbei, dass entsprechende Begrenzungselemente bzw. Dübel in einem Abstand von 3 bis 5 m in der Brückenkappe angeordnet werden.In a first step, a fixing of the particular pin-shaped limiting element takes place in the bridge cap. In a preferred embodiment, this may be a plug to be inserted into the bridge cap, which for example has a diameter of 16 to 18 mm. It is preferred in this case that corresponding limiting elements or dowels are arranged at a distance of 3 to 5 m in the bridge cap.

Im nächsten Arbeitsschritt können Schubplatten auf die Oberseite der Brückenkappe derart angeordnet werden, dass das Begrenzungselement jeweils durch die Öffnung einer Schubplatte ragt. Gegebenenfalls können die Schubplatten jedoch auch entfallen.In the next step, thrust plates can be arranged on the upper side of the bridge cap in such a way that the delimiting element projects in each case through the opening of a thrust plate. Optionally, however, the thrust plates can also be omitted.

Insbesondere um die Betonschutzwand aus Ortbeton herstellen zu können, ist es vorteilhaft, die Begrenzungselemente jeweils mit einer Montagehaube abzudecken. Durch das Abdecken der Begrenzungselemente mit Montagehauben ist sichergestellt, dass bei der Herstellung der Betonschutzwand durch Ortbeton eine definierte Ausnehmung erhalten bleibt, innerhalb der das Begrenzungselement angeordnet ist und somit eine Verschiebung der Betonschutzwand ermöglicht ist. Die Montagehauben werden hierbei vorzugsweise mit der Brückenkappe, beispielsweise durch Verschrauben verbunden. Sofern Schubplatten vorgesehen sind, erfolgt eine Verbindung der Montagehauben mit den Schubplatten. Hierbei dienen die Schubplatten zusätzlich zur Lagedefinition der Montagehauben.In particular, in order to be able to produce the concrete protective wall of cast-in-situ concrete, it is advantageous to cover the boundary elements in each case with a mounting hood. By covering the boundary elements with mounting hoods ensures that in the production of concrete protection wall by in-situ concrete a defined recess is maintained, within which the boundary element is arranged and thus a shift of the concrete protection wall is possible. The mounting hoods are preferably connected to the bridge cap, for example by screwing. If thrust plates are provided, the mounting hoods are connected to the thrust plates. Here, the push plates are used in addition to the position definition of the mounting hoods.

Nach Vorsehen der Montagehauben kann die Betonschutzwand durch Ortbeton hergestellt werden, so dass eine frei stehende nicht in der Brückenkappe fixierte Betonschutzwand, wie beispielsweise in DE 20 2005 010 248 beschrieben, hergestellt werden kann. Eine Unterseite der Betonschutzwand steht hierbei seitlich verschiebbar auf der Oberseite der Brückenkappe auf. Vorzugsweise ist die Montagehaube hierbei derart angeordnet, dass der Fuß der Betonschutzwand die Montagehaube vollständig umgibt.After provision of the mounting hoods concrete protective wall can be made by in-situ concrete, so that a free standing not fixed in the bridge cap concrete protective wall, such as in DE 20 2005 010 248 described, can be produced. An underside of the concrete protection wall is here laterally displaceable on the top of the bridge cap. Preferably, the mounting hood is in this case arranged such that the foot of the concrete protection wall completely surrounds the mounting hood.

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:

Figur 1
eine schematische Schnittansicht eines erfindungsgemäßen Brücken-Fahrbahnbegrenzungssystems,
Figur 2
eine schematische Schnittansicht entlang der Linie II-II in Figur 1, so dass in Figur 2 eine Draufsicht der Schubplatte dargestellt ist und
Figur 3
eine Draufsicht einer Montagehaube.
Show it:
FIG. 1
a schematic sectional view of a bridge roadway boundary system according to the invention,
FIG. 2
a schematic sectional view taken along the line II-II in FIG. 1 , so in FIG. 2 a plan view of the thrust plate is shown and
FIG. 3
a plan view of a mounting hood.

Auf einer schematisch dargestellten Brücke 10 ist seitlich eine Brückenkappe 12 angeordnet, die mit Bewehrungseisen 14 versehen ist. An eine Innenseite der Brückenkappe schließt sich der ebenfalls schematisch dargestellte Fahrbahnbelag 16 an.On a bridge 10 shown schematically, a bridge cap 12 is arranged laterally, which is provided with reinforcing bars 14. At an inner side of the bridge cap, the road surface also schematically illustrated 16 connects.

Auf einer Oberseite 18 der Brückenkappe 12 ist eine vorzugsweise aus Ortbeton hergestellte Betonschutzwand 20 angeordnet. In Längsrichtung der Betonschutzwand, d.h. in Fahrtrichtung der Fahrbahn, die durch die Betonschutzwand 20 begrenzt wird, sind im dargestellten Ausführungsbeispiel innerhalb der Betonschutzwand 20 zwei Bewehrungsstäbe 22 angeordnet. Bei der Betonschutzwand 20 handelt es sich in besonders bevorzugter Ausführungsform um eine Betonschutzwand mit einer Rückhaltestufe von mindestens H2 nach der Euronorm 1317-2, wie sie beispielsweise in DE 20 2005 010 248 beschrieben ist.On an upper side 18 of the bridge cap 12, a concrete protection wall 20, preferably made of in-situ concrete, is arranged. In the longitudinal direction of the concrete protection wall, ie in the direction of travel of the roadway, which is bounded by the concrete protection wall 20, 20 two reinforcing rods 22 are arranged in the illustrated embodiment within the concrete protection wall. The concrete protection wall 20 is in a particularly preferred embodiment, a concrete protective wall with a retention level of at least H2 according to the Euronorm 1317-2, as for example in DE 20 2005 010 248 is described.

Um ein seitliches Verschieben der Betonschutzwand in Richtung eines Pfeils 24 zu ermöglichen, ist die Betonschutzwand 20 als frei stehende unverankerte Betonschutzwand ausgebildet. Hierdurch kann bei einem Aufprall eines Kraftfahrzeuges auf einer Innenseite 26 der Betonschutzwand 20, d.h. auf einer Seite die der Fahrbahn zugewandt ist, ein Verschieben der Betonschutzwand 20 in Figur 1 nach links (Pfeil 24) erfolgen. Um diese seitliche Verschiebbarkeit, die ein Dämpfen des Aufpralls bewirkt zu gewährleisten, andererseits jedoch zu verhindern, dass die Betonschutzwand 20 zu weit nach außen geschoben wird, sind Begrenzungselemente 28 vorgesehen. Die Begrenzungselemente 28 sind im dargestellten Ausführungsbeispiel als stiftförmige Dübel ausgebildet, die in der Brückenkappe 12 fixiert sind und über die Oberseite 18 der Brückenkappe 12 vorstehen. Die Begrenzungselemente 28 ragen in eine im Querschnitt quaderförmige Ausnehmung 30, die an einer Unterseite 32 der Betonschutzwand 20 vorgesehen ist. Die Ausnehmung 30 ist in Richtung der Unterseite 32 offen.In order to allow a lateral displacement of the concrete protective wall in the direction of an arrow 24, the concrete protective wall 20 is formed as a free-standing anchored concrete protective wall. As a result, upon impact of a motor vehicle on an inner side 26 of the concrete protective wall 20, ie on one side facing the roadway, a displacement of the concrete protective wall 20 in FIG. 1 to the left (arrow 24). In order to ensure this lateral displacement, which causes a damping of the impact, on the other hand, however, to prevent the concrete protective wall 20 is pushed too far out, limiting elements 28 are provided. The limiting elements 28 are formed in the illustrated embodiment as a pin-shaped dowels, which are fixed in the bridge cap 12 and protrude over the top 18 of the bridge cap 12. The limiting elements 28 protrude into a rectangular cross-section recess 30 which at an underside 32 of the Concrete barrier 20 is provided. The recess 30 is open towards the bottom 32.

Im dargestellten Ausführungsbeispiel ist die Ausnehmung 30 durch eine Schubplatte 34 und eine Montagehaube 36 ausgebildet bzw. begrenzt. Zur Herstellung der Ausnehmung 30 erfolgt über diese Ausführungsform zunächst ein Auflegen der Schubplatte 34 auf die Oberseite 18 der Brückenkappe 12. Hierbei wird die Schubplatte 34 derart angeordnet, dass das stiftförmige Begrenzungselement innerhalb einer dreieckförmigen Öffnung 38 der Schubplatte 34 angeordnet ist. Die Öffnung 38 ist im Querschnitt im Wesentlichen dreieckförmig, wobei das stiftförmige Begrenzungselement 28 bei nicht verschobener Betonschutzwand 20 in der von der Fahrbahn 16 abgewandten Spitze der dreieckförmigen Öffnung angeordnet ist (Figur 2).In the illustrated embodiment, the recess 30 is formed by a thrust plate 34 and a mounting hood 36 or limited. To produce the recess 30 via this embodiment, first placing the thrust plate 34 on the top 18 of the bridge cap 12. Here, the thrust plate 34 is arranged such that the pin-shaped limiting element is disposed within a triangular opening 38 of the thrust plate 34. The opening 38 is substantially triangular in cross-section, wherein the pin-shaped limiting element 28 is arranged in the non-displaced concrete protection wall 20 in the direction away from the roadway 16 tip of the triangular opening ( FIG. 2 ).

Die Schubplatte 34 weist ferner eine Anlagefläche bzw. einen Falz 40 auf. Der Falz 40 liegt an der in Richtung der Fahrbahn 16 weisenden Außenseite 26 der Betonschutzwand 20 an.The thrust plate 34 also has a contact surface or a rebate 40. The fold 40 bears against the outer side 26 of the concrete protection wall 20 facing in the direction of the roadway 16.

Im nächsten Arbeitsschritt werden sodann die Montagehauben 36 über den Begrenzungselementen angeordnet und beispielsweise über schematisch dargestellte Schraubverbindungen 42, 44 mit der Schubplatte 34 verbunden. Das Begrenzungselement 28 ist somit in einem die Ausnehmung 30 ausbildenden Hohlraum angeordnet.In the next step, then the mounting hoods 36 are arranged on the limiting elements and connected, for example via schematically illustrated screw 42, 44 with the thrust plate 34. The limiting element 28 is thus arranged in a recess 30 forming cavity.

Es ist nunmehr möglich, die Betonschutzwand aus Ortbeton herzustellen, wobei aufgrund des Vorsehens der Montagehauben 34 sichergestellt ist, dass in die Ausnehmung 30 kein Beton eindringt.It is now possible to produce the concrete protective wall of cast-in-situ concrete, it being ensured on account of the provision of the mounting hoods 34 that no concrete penetrates into the recess 30.

Im dargestellten Ausführungsbeispiel ist die Oberseite 18 der Brückenkappe 12 im Bereich der Aufstandsflächen der Betonschutzwand 20 geneigt ausgebildet. Ausgehend von der Fahrbahn 60 steigt die Oberseite 18 der Brückenkappe somit an. Die Neigung weist hierbei üblicherweise 2,5 % bis 15 % und besonders bevorzugt ca. 4 % auf. Aufgrund der Neigung rutscht die Betonschutzwand 20 in Richtung der Fahrbahn 16. Um ein Rutschen der Betonschutzwand 20 auf die Fahrbahn 16 zu vermeiden, dient ebenfalls das Begrenzungselement 28. Hierzu liegt das Begrenzungselement 28 an einer von der Fahrbahn 16 abgewandten Innenwand 46 der Montagehaube 36 an (Figur 1).In the illustrated embodiment, the top 18 of the bridge cap 12 is inclined in the area of the footprint of the concrete protection wall 20. Starting from the roadway 60, the upper side 18 of the bridge cap thus rises. The inclination here is usually 2.5% to 15 % and more preferably about 4%. Due to the inclination, the concrete protection wall 20 slips in the direction of the roadway 16. To avoid sliding of the concrete protection wall 20 on the road 16, also serving the limiting element 28. For this, the limiting element 28 is located on a side facing away from the roadway 16 inner wall 46 of the mounting hood 36 at ( FIG. 1 ).

Beim Aufprall eines Fahrzeugs auf der Innenseite 26 der Betonschutzwand 20 erfolgt ein seitliches Verschieben der Betonschutzwand 20 in Richtung des Pfeils 24. Durch die zwischen der Unterseite 32 der Betonschutzwand und der Oberseite 28 der Brückenkappe bzw. zwischen der Unterseite der Schubplatte 34 und der Oberseite 18 der Brückenkappe 12 herrschenden Reibung erfolgt während des Verschiebens ein Dämpfen des Aufpralls. Um zu vermeiden, dass die Betonschutzwand 20 bei einem starken Aufprall über die Brückenkappe 12 hinausgeschoben wird, ist das Begrenzungselement 28 vorgesehen. Beim Verschieben der Betonschutzwand 20 in Richtung des Pfeils 24 erfolgt ein Verschieben der Öffnung 38 der Schubplatte 34 zusammen mit der Betonschutzwand 20. Die Verschiebung erfolgt hierbei solange bis das stiftförmige Begrenzungselement 28 an einer Innenwand 48 der Montagehaube 36 sowie an einer Innenseite 50 der Ausnehmung 38 anstößt.The impact of a vehicle on the inside 26 of the concrete protection wall 20 is a lateral displacement of the concrete protection wall 20 in the direction of arrow 24. By between the bottom 32 of the concrete protection wall and the top 28 of the bridge cap or between the bottom of the thrust plate 34 and the top 18th the bridge cap 12 prevailing friction occurs during the displacement of a damping of the impact. In order to avoid that the concrete protective wall 20 is pushed over the bridge cap 12 in a strong impact, the limiting element 28 is provided. When moving the concrete protection wall 20 in the direction of arrow 24, a displacement of the opening 38 of the thrust plate 34 takes place together with the concrete protection wall 20. The displacement takes place in this case until the pin-shaped limiting element 28 on an inner wall 48 of the mounting hood 36 and on an inner side 50 of the recess 38th abuts.

Claims (12)

Brücken-Fahrbahnbegrenzungssystem, mit
einer seitlich neben einer Fahrbahn (16) angeordneten Brückenkappe (12) und
einer auf einer Oberseite (18) der Brückenkappe (12) aufstehenden Betonschutzwand (20), die im Fall eines Aufpralls bei Überwindung der Reibkräfte zwischen der Oberseite der Brückenkappe und einer Unterseite (32) der Betonschutzwand (20) seitlich verschiebbar ist,
gekennzeichnet durch,
ein Begrenzungselement (28) zur Begrenzung der seitlichen Verschiebung (24) der Betonschutzwand (20) im Falle eines Aufpralls.Bridge lane boundary system, with
a laterally adjacent to a roadway (16) arranged bridge cap (12) and
a concrete protection wall (20) which rests on an upper side (18) of the bridge cap (12) and which is laterally displaceable in the event of an impact upon overcoming the frictional forces between the upper side of the bridge cap and a lower side (32) of the concrete protection wall (20),
marked by,
a limiting element (28) for limiting the lateral displacement (24) of the concrete protective wall (20) in the event of an impact. Brücken-Fahrbahnbegrenzungssystem nach Anspruch 1, dadurch gekennzeichnet, dass das Begrenzungselement (28) mit dem Brückenkopf (12) oder der Betonschutzwand (20) fest verbunden ist und vorzugsweise in eine Ausnehmung (30) der Betonschutzwand (20) bzw. der Brückenkappe (12) ragt, wobei die Ausnehmung in Richtung der Brückenkappe (12) bzw. der Betonschutzwand (20) offen ist.Bridge-track limiting system according to claim 1, characterized in that the limiting element (28) with the bridgehead (12) or the concrete protection wall (20) is firmly connected and preferably in a recess (30) of the concrete protective wall (20) and the bridge cap (12 protrudes, wherein the recess in the direction of the bridge cap (12) and the concrete protective wall (20) is open. Brücken-Fahrbahnbegrenzungssystem nach Anspruch 2, dadurch gekennzeichnet, dass die Ausnehmung (30) fahrbahnseitig durch die Betonschutzwand (20) verschlossen ist.Bridge-track boundary system according to claim 2, characterized in that the recess (30) is closed on the road side by the concrete protective wall (20). Brücken-Fahrbahnbegrenzungssystem nach einem der Ansprüche 1 bis 3, gekennzeichnet durch eine zwischen der Betonschutzwand (20) und dem Brückenkopf (12) angeordneten, insbesondere mit der Betonschutzwand (20) verbundenen Schubplatte (34) mit einer Öffnung (38), durch die das Begrenzungselement (28) in die Ausnehmung (30) ragt.Bridges roadway limiting system according to one of claims 1 to 3, characterized by a between the concrete protective wall (20) and the bridgehead (12) arranged, in particular with the concrete protection wall (20) connected to the thrust plate (34) having an opening (38) through which the Limiting element (28) projects into the recess (30). Brücken-Fahrbahnbegrenzungssystem nach Anspruch 4, dadurch gekennzeichnet, dass das Begrenzungselement (28) zur Begrenzung des Verschiebens der Betonschutzwand (20) aufgrund eines Aufpralls an einer fahrbahnseitigen Seitenfläche (50) der Öffnung (38) anstößt.Bridge-track delineation system according to claim 4, characterized in that the limiting element (28) for limiting the displacement of the concrete protective wall (20) abuts the opening (38) due to an impact on a roadside side surface (50). Brücken-Fahrbahnbegrenzungssystem nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Breite der Öffnung (38) von der Fahrbahn abgewandten Seite zur Fahrbahn (16) hin zunimmt, wobei die Öffnung (38) vorzugsweise einen im Wesentlichen dreieckförmigen Querschnitt aufweist.Bridge lane boundary system according to claim 4 or 5, characterized in that the width of the opening (38) facing away from the roadway side to the roadway (16) towards increases, wherein the opening (38) preferably has a substantially triangular cross-section. Brücken-Fahrbahnbegrenzungssystem nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass die Ausnehmung (30) zumindest teilweise von einer Montagehaube (36) ausgekleidet ist.Bridge lane boundary system according to one of claims 2 to 6, characterized in that the recess (30) is at least partially lined by a mounting hood (36). Brücken-Fahrbahnbegrenzungssystem nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Begrenzungselement einen Stift (28) aufweist, der in der Brückenkappe (12) oder der Betonschutzwand (20) verankert ist und in die Ausnehmung (30) ragt.Bridge-track limiting system according to one of claims 1 to 7, characterized in that the limiting element has a pin (28) which is anchored in the bridge cap (12) or the concrete protection wall (20) and projects into the recess (30). Brücken-Fahrbahnbegrenzungssystem nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Oberseite (18) der Brückenkappe (12) zumindest im Aufstandsbereich der Betonschutzwand (20) geneigt ist.Bridge-track boundary system according to one of claims 1 to 8, characterized in that the upper side (18) of the bridge cap (12) is inclined at least in the contact area of the concrete protective wall (20). Brücken-Fahrbahnbegrenzungssystem nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass im Falle eines Aufpralls die Ausnehmung (30) relativ zum Begrenzungselement (28) verschoben wird, bis das Begrenzungselement (28) an einer fahrbahnseitigen Innenwand (48) der Ausnehmung (30) bzw. der Montagehaube (36) anstößt.Bridge lane boundary system according to one of claims 1 to 9, characterized in that in the event of an impact, the recess (30) is displaced relative to the limiting element (28) until the limiting element (28) on a roadway-side inner wall (48) of the recess (30) and the mounting hood (36) abuts. Verfahren zur Herstellung eines Brücken-Fahrbahnbegrenzungssystems, insbesondere nach einem der Ansprüche 1 bis 10, bei welchem
in einer Brückenkappe (12) Begrenzungselemente (28) fixiert werden, die über eine Oberseite (18) der Brückenkappe (12) vorstehen,
die Begrenzungselemente (28) von Montagehauben (36) abgedeckt werden, so dass die Begrenzungselemente (28) jeweils in einer durch die Montagehaube (34) gebildeten Ausnehmung (30) angeordnet sind und
eine Betonschutzwand (20) vorzugsweise durch Ortbeton derart hergestellt wird, dass die Montagehaube (36) von der Betonschutzwand (20) überdeckt wird und eine Unterseite (32) der Betonschutzwand (20) auf der Oberseite (18) der Brückenkappe (12) seitlich verschiebbar aufsteht.A method for producing a bridge lane boundary system, in particular according to one of claims 1 to 10, in which
in a bridge cap (12) limiting elements (28) are fixed, which project over an upper side (18) of the bridge cap (12),
the limiting elements (28) are covered by mounting hoods (36), so that the limiting elements (28) are each arranged in a recess (30) formed by the mounting hood (34) and
a concrete protective wall (20) is preferably produced by in-situ concrete in such a way that the mounting hood (36) is covered by the concrete protective wall (20) and an underside (32) of the concrete protective wall (20) on the top (18) of the bridge cap (12) laterally displaceable gets up. Verfahren nach Anspruch 11, bei welchem zwischen den Montagehauben (36) und der Oberseite (18) der Brückenkappe (12) jeweils eine Schubplatte (34) angeordnet wird, die eine Öffnung (38) aufweist, durch die das Begrenzungselement (28) ragt.The method of claim 11, wherein between the mounting hood (36) and the top (18) of the bridge cap (12) each having a thrust plate (34) is arranged, having an opening (38) through which the limiting element (28) protrudes.
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WO1998019015A1 (en) * 1996-10-31 1998-05-07 Autostrade Concessioni E Costruzioni Autostrade S.P.A. Single-row traffic divider
DE19855441A1 (en) 1997-12-23 1999-06-24 Josef Stoeckl Crash barrier construction for roads
WO2000008259A1 (en) * 1998-08-05 2000-02-17 Autostrade Concessioni E Costruzioni Devices for calibrating the deceleration of colliding vehicles
DE202005010248U1 (en) 2005-06-30 2005-09-08 Tss Technische Sicherheits-Systeme Gmbh Concrete crash barrier system for motor transport has a graduated concrete guard wall with lower, middle and upper steps and at least two reinforcement bars in the upper step, and is supported without anchoring to the road
EP1645691A1 (en) 2004-10-06 2006-04-12 TSS Technische Sicherheits-Systeme GmbH Transition structure

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IT1292319B1 (en) * 1997-05-20 1999-01-29 Trafilmetal S R L SAFETY ROAD BARRIER.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998019015A1 (en) * 1996-10-31 1998-05-07 Autostrade Concessioni E Costruzioni Autostrade S.P.A. Single-row traffic divider
DE19855441A1 (en) 1997-12-23 1999-06-24 Josef Stoeckl Crash barrier construction for roads
WO2000008259A1 (en) * 1998-08-05 2000-02-17 Autostrade Concessioni E Costruzioni Devices for calibrating the deceleration of colliding vehicles
EP1645691A1 (en) 2004-10-06 2006-04-12 TSS Technische Sicherheits-Systeme GmbH Transition structure
DE202005010248U1 (en) 2005-06-30 2005-09-08 Tss Technische Sicherheits-Systeme Gmbh Concrete crash barrier system for motor transport has a graduated concrete guard wall with lower, middle and upper steps and at least two reinforcement bars in the upper step, and is supported without anchoring to the road

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EP2472007B8 (en) 2015-03-11
EP2354314B1 (en) 2013-12-11
EP2472007A3 (en) 2013-07-10
EP2472007A2 (en) 2012-07-04
EP2472007B1 (en) 2014-12-24

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