EP3502350B1 - Mur de guidage en béton - Google Patents

Mur de guidage en béton Download PDF

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Publication number
EP3502350B1
EP3502350B1 EP18206661.3A EP18206661A EP3502350B1 EP 3502350 B1 EP3502350 B1 EP 3502350B1 EP 18206661 A EP18206661 A EP 18206661A EP 3502350 B1 EP3502350 B1 EP 3502350B1
Authority
EP
European Patent Office
Prior art keywords
safety barrier
concrete
coupling
guide wall
barrier element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18206661.3A
Other languages
German (de)
English (en)
Other versions
EP3502350A1 (fr
Inventor
Mathias Redlberger
Wolfgang Bunz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Strabag AG
Rebloc GmbH
Original Assignee
Rebloc GmbH
Strabag AG
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Publication date
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Publication of EP3502350A1 publication Critical patent/EP3502350A1/fr
Application granted granted Critical
Publication of EP3502350B1 publication Critical patent/EP3502350B1/fr
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Classifications

    • 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
    • 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
    • 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
    • E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/143—Protecting devices located at the ends of barriers

Definitions

  • the invention relates to a concrete baffle with at least one first baffle element, which has a bottom surface, an end surface and side surfaces, and with at least one second baffle element, preferably aligned in the longitudinal direction thereto, which has a bottom surface, an end surface facing the end face of the first baffle element, and Has side surfaces, the concrete baffle having at least one connection in which the first baffle element and the second baffle element at the end faces via a first form-fitting coupling with a first length viewed in the longitudinal direction and via at least one second form-fitting coupling horizontally spaced from the first form-fitting coupling are connected to one another with a second length as seen in the longitudinal extension, and wherein the longitudinal extensions of the couplings run essentially perpendicular to the floor surface, and the couplings each have two coupling elements arranged on the end faces exhibit.
  • the use of concrete guide walls in road construction is known and offers many advantages over other restraint systems.
  • the concrete guide walls are either made in-situ concrete, i.e. on site, for example with the help of sliding formwork, or assembled or connected to one another on site from prefabricated, mobile precast concrete elements.
  • baffle elements of the concrete guide wall only rest on the ground over large sections.
  • baffle elements can be displaced together with adjacent, connected baffle elements so that the concrete baffle arches outward in the impact area. This allows the impact energy to be reduced and the vehicle to be directed back onto the road.
  • the concrete guide wall or its guide wall elements can be fixedly connected to the ground.
  • a connection between a fixed baffle element and an adjoining mobile baffle element of a concrete baffle, i.e. a concrete baffle that rests on the ground, is exposed to higher loads than a connection between two mobile baffle elements in the event of a collision with a vehicle that hits the mobile section of the concrete baffle.
  • the stationary guide wall element cannot move with the adjacent mobile guide wall element, the transition point between the mobile and stationary guide wall element acts like a fixed restraint for the mobile guide wall element. Particularly high forces and moments can therefore occur at such a connection point.
  • Such a transition structure is, for example, from EP 2 281 088 A known.
  • sleeve shoes are used on the front sides in order to absorb the forces that occur.
  • covering shoes are associated with increased effort in the production of the guide wall elements.
  • the invention is therefore based on the object of providing a concrete guide wall of the type mentioned at the beginning which can withstand high loads and is easy to manufacture.
  • the first baffle element is stationary, preferably made of in-situ concrete, and the second baffle element is mobile, that the first length is greater than the second length, and that on the back of the coupling elements facing the concrete body, rib-shaped, vertically extending webs on the Couplings are formed which protrude into the guide wall element or into the concrete body of the guide wall element.
  • the two or more than two couplings that connect the guide wall elements to one another can be designed and arranged according to the requirements that are placed on the concrete guide wall or the connection between the stationary guide wall element and the mobile guide wall element.
  • the horizontal distance between the couplings and the position of the individual couplings on the end faces have an impact on the forces acting on the individual couplings in the event of an impact.
  • couplings or connecting elements are particularly preferably used, as they are in FIG EP 2 347 053 B1 are disclosed.
  • Other forms of couplings are of course also possible.
  • Fig. 1 shows a guide wall element 1f, 1m of a concrete guide wall according to the invention with an elongated concrete body 3 in a view directed towards an end face 4 at one end E1 of the concrete body 3.
  • the guide wall element 1f, 1m is arranged with a bottom surface 5 on a subsurface (not shown) or rests on it, and has a top surface 6 that is essentially parallel to the bottom surface 5.
  • the guide wall element 1f, 1m is made wider in the region of the bottom surface 5 than in the region of the top surface 6, so that the guide wall element 1f, 1m tapers in profile towards the top.
  • a side surface 7, which faces a roadway in the installed position of the guide wall element 1f, 1m, has an approximately vertical, lower area 8 in the area of the floor area 5 and an inclined, upper area 9 in the area of the top area 6. Between the lower region 8 and the upper region 9 there is a central region 10 which is more inclined than the upper region 9.
  • a side surface 11 opposite the side surface 7 on the roadway side has a constant slope from the bottom area 5 to the top area 6, which preferably corresponds to the slope of the upper area 9 of the other side surface 7.
  • the profile of the illustrated embodiment is referred to as the "single sided New Jersey profile".
  • a pressure plate 13 corresponding to the shape and size of the end face 4 is connected to the concrete body 3.
  • the pressure plate 13 can be anchored in the guide wall element 1f, 1m, for example, via anchoring elements 14 which are connected to the pressure plate 13, in particular welded to it.
  • anchoring elements 14 which are connected to the pressure plate 13, in particular welded to it.
  • a first coupling element 15 for a first coupling 16 and a second coupling element 17 for a second coupling 18 are arranged on the pressure plate 13, in particular welded on, or received in a form-fitting manner in a slot-shaped recess.
  • the clutches 16, 18 are form-locking clutches with an essentially perpendicular longitudinal extension, preferably like that in FIG EP 2 347 053 B1 described fasteners executed.
  • Different shaped couplings or other types of couplings can also be used within the scope of the invention.
  • the coupling elements 15, 17 are arranged in vertically extending depressions 19 and protrude only so far beyond the end face 4 that two between the end faces 2 Only a small gap is formed via a connection 2 of guide wall elements 1f, 1m connected to one another.
  • the first coupling element 15 is arranged essentially centrally between the upper region 9 of the side surface 7 on the roadway side and the opposite side surface 11, whereas the second coupling element 17 is horizontally spaced therefrom and closer to the side surface 7, which faces the roadway, in particular near the central region 10 of the side surface 7 is arranged.
  • the distance between the first coupling element 15 and thus the first coupling 16 from the adjacent side surface 11 is preferably greater than the distance between the second coupling element 17 and thus the second coupling 16 from the adjacent side surface 7.
  • the first coupling element 15, and thus the first coupling 16, has a first length L1 and the second coupling element 17, and thus the second coupling 18, has a second length L2, the first length L1 being greater than the second length L2.
  • This aspect ratio is preferred because it ensures a stable connection of the guide wall elements.
  • the first coupling element 15 can be formed by two separate coupling elements of any length, one on top of the other.
  • first coupling element 15, and thus the first coupling 16 has a first distance A1 from the floor surface 5 and the second coupling element 17, and thus the second coupling 18, a second distance A2 from the floor surface 5, the first distance A1 preferably being greater is as the second distance A2.
  • these distances A1, A2 can also be different, in particular the same size.
  • a length of a third coupling is preferably as great as the length L2 of the second coupling 18, and a distance between the third coupling and the floor surface 5 is preferably as great as the second distance A2 between the second coupling 18 and the floor surface 5, in such an embodiment the first clutch 16 is particularly preferably arranged symmetrically between the second clutch 18 and the third clutch.
  • Fig. 2 shows a top view of the top surface 6 of the guide wall element 1f, 1m with the pressure plate 13 arranged on the end face 4 and the concrete body 3 extending behind it in the longitudinal direction of the guide wall element 1f, 1m.
  • the guide wall element 1f, 1m shown can be a stationary guide wall element 1f as well as a mobile guide wall element 1m, with a stationary guide wall element 1f either essentially over the entire floor area 5 or only in certain areas, for example through floor anchoring elements not shown, fixed and essentially immovable with the ground can be connected.
  • Fig. 3 shows an isometric view of the connection 2 of two guide wall elements 1f, 1m of the concrete guide wall according to the invention, the concrete body 3 of one of the guide wall elements 1f, 1m being shown as transparent.
  • the guide wall elements 1f, 1m are connected to one another via the couplings 16, 18 as described, the coupling elements 15, 17 of one end face 4 being connected to the corresponding coupling elements 15, 17 of the other end face 4 by the coupling elements 15, 17 of the mobile guide wall element 1m can be pushed into the coupling elements 15, 17 of the stationary guide wall element 1f from above.
  • the end faces 4 of the connected guide wall elements 1f, 1m are preferably, but not necessarily, only a small distance apart.
  • rib-shaped, vertically extending webs 20 are formed on the couplings 16, 18, which protrude into the guide wall element 1f, 1m or into the concrete body 3 of the guide wall element 1f, 1m. Further anchoring elements 21 or tension rods 22 can be arranged on these webs 20, which are connected either to a reinforcement of the concrete body or to the web (s) 20 of the coupling (s) 16, 18 at the other end E2 of the respective concrete body.
  • the webs 20 are passed through the slot-shaped recesses of the pressure plate 13 and cast in the concrete body 3.
  • the coupling elements 15, 17 can be welded to the pressure plate 13.
  • Fig. 4 shows a side view of a connection 2 of two guide wall elements 1f, 1m of the concrete guide wall according to the invention, the components arranged in the interior of the concrete body 3, such as the coupling elements 15, 17, the webs 20 and the anchoring elements 21 being shown in dashed lines.
  • mobile guide wall element 1m is connected on the right side or at one end E1 of the concrete body 3 to the stationary guide wall element 1f via the connection 2.
  • the mobile guide wall element 1m is connected to a further mobile guide wall element 1m 'via a further connection 2', which is designed differently than the connection 2 and in the embodiment shown only has one further coupling 23 Has coupling elements and webs 20.
  • the further connection 2 'between the mobile guide wall element 1m and the further mobile guide wall element 1m' is preferably like that in FIG EP 2 347 053 A shown and described connection executed, but can of course also be designed differently.
  • Tension rods 22 connect the webs 20 of the coupling 16 of the mobile guide wall element 1m, which is assigned to the stationary guide wall element 1f, with the web 20 of the further coupling 23 of the mobile guide wall element 1m, which is assigned to the further mobile guide wall element 1m '.
  • the reinforcement of the concrete body 3 is preferably made of stainless steel. This enables the concrete cover to have a smaller thickness, for example of only 2 cm, than with conventional guide wall elements. As a result, concrete parts, which can flake off the concrete body 3 when a vehicle hits the baffle element 1f, 1m, have a lower mass, which in turn reduces the risk of injury from these detached concrete parts.

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

Claims (11)

  1. Glissière de sécurité en béton avec au moins un premier élément de glissière de sécurité (1f) qui présente une surface de base (5), une surface frontale (4) et des surfaces latérales (7, 11), et avec au moins un deuxième élément de glissière de sécurité (1m), de préférence en alignement avec celui-ci dans la direction longitudinale, qui présente une surface de base (5), une surface frontale (4), qui est tournée vers la surface frontale (4) du premier élément de glissière de sécurité (1f), et des surfaces latérales (7, 11), la glissière de sécurité en béton présentant au moins une liaison (2) par laquelle le premier élément de glissière de sécurité (1f) et le deuxième élément de glissière de sécurité (1m) sont reliés entre eux aux surfaces frontales (4) par un premier accouplement à complémentarité de forme (16) ayant une première longueur (L1) vue suivant l'extension longitudinale, et par au moins un deuxième accouplement à complémentarité de forme (18) espacé horizontalement du premier accouplement à complémentarité de forme (16), ayant une deuxième longueur (L2) vue suivant l'extension longitudinale, et dans laquelle les extensions longitudinales des accouplements (16, 18) s'étendent sensiblement perpendiculairement à la surface de base (5), et les accouplements (16, 18) présentent chacun deux éléments d'accouplement (15, 17) disposés sur les faces frontales, caractérisée en ce que le premier élément de glissière de sécurité (1f) est fixe, de préférence réalisé en béton coulé sur place, et le deuxième élément de glissière de sécurité (1m) est mobile, que la première longueur (L1) est supérieure à la deuxième longueur (L2), et que des nervures (20) en forme d'ailette s'étendant verticalement sont formées sur la face arrière, tournée vers le corps en béton, des éléments d'accouplement (15, 17), lesquelles pénètrent dans l'élément de glissière de sécurité (1f, 1m) ou dans le corps en béton (3) de l'élément de glissière de sécurité (1f, 1m).
  2. Glissière de sécurité en béton selon la revendication 1, caractérisée en ce que des éléments d'ancrage (21) ou des tiges de traction (22) sont disposé(e)s sur les nervures (20), lesquel(le)s sont relié(e)s à une armature du corps en béton ou à la ou aux nervures (20) du ou des accouplements (16, 18) à une autre extrémité (E1, E2) du corps en béton (3) respectif.
  3. Glissière de sécurité en béton selon l'une des revendications 1 ou 2, caractérisée en ce que le premier accouplement (16) est disposé à une première distance (A1) de la surface de base (5) et le deuxième accouplement (18) est disposé à une deuxième distance (A2) de la surface de base (5), et que la première distance (A1) est supérieure à la deuxième distance (A2).
  4. Glissière de sécurité en béton selon l'une des revendications 1 à 3, caractérisée en ce qu'au moins l'un des accouplements (16, 18), de préférence les deux accouplements (16, 18), sont espacés horizontalement des surfaces latérales (7, 11) des éléments de glissière de sécurité (1f, 1m).
  5. Glissière de sécurité en béton selon l'une des revendications 1 à 4, caractérisée en ce que le premier accouplement (16) est plus éloigné de sa surface latérale adjacente (11) que le deuxième accouplement (18) ne l'est de sa surface latérale adjacente (7).
  6. Glissière de sécurité en béton selon l'une des revendications 1 à 5, caractérisée en ce qu'une seule des surfaces latérales (11) de la glissière de sécurité en béton est conçue pour être tournée vers une voie de circulation et que le deuxième accouplement (18) est disposé dans la zone de cette surface latérale (7).
  7. Glissière de sécurité en béton selon l'une des revendications 1 à 5, caractérisée en ce que les deux surfaces latérales (7, 11) de la glissière de sécurité en béton sont conçues pour être tournées vers une voie de circulation et que trois accouplements (16, 18) sont prévus.
  8. Glissière de sécurité en béton selon la revendication 7, caractérisée en ce que l'accouplement (16) ayant la plus grande longueur (L1) vue suivant l'extension longitudinale est disposé au milieu.
  9. Glissière de sécurité en béton selon l'une des revendications 1 à 8, caractérisée en ce qu'une plaque de pression (13) est disposée sur la surface frontale (4) du premier élément de glissière de sécurité (1f) et/ou sur la surface frontale (4) du deuxième élément de glissière de sécurité (1m), laquelle est reliée à l'élément de glissière de sécurité respectif (1f, 1m) par l'intermédiaire d'éléments d'ancrage (21) qui font saillie dans celui-ci.
  10. Glissière de sécurité en béton selon l'une des revendications 1 à 9, caractérisée en ce qu'au moins l'un des éléments d'accouplement (15, 17) est relié rigidement à la plaque de pression (13), en particulier que tous les éléments d'accouplement (15, 17) sont reliés rigidement, de préférence soudés, à des plaques de pression (13).
  11. Glissière de sécurité en béton selon l'une des revendications 1 à 10, caractérisée en ce que le premier élément de glissière de sécurité (1f) et/ou le deuxième élément de glissière de sécurité (1m) présentent un profil New Jersey à une ou deux faces.
EP18206661.3A 2017-12-21 2018-11-16 Mur de guidage en béton Active EP3502350B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA51069/2017A AT520630B1 (de) 2017-12-21 2017-12-21 Verbindung zweier Leitwandelemente

Publications (2)

Publication Number Publication Date
EP3502350A1 EP3502350A1 (fr) 2019-06-26
EP3502350B1 true EP3502350B1 (fr) 2021-03-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18206661.3A Active EP3502350B1 (fr) 2017-12-21 2018-11-16 Mur de guidage en béton

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EP (1) EP3502350B1 (fr)
AT (1) AT520630B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT522872B1 (de) 2019-11-08 2021-03-15 Rebloc Gmbh Anbauelement zur Montage an einem Leitwandelement eines Fahrzeugrückhaltesystems
AT524152A1 (de) 2020-09-04 2022-03-15 Rebloc Gmbh Anschlusselement für eine Betonleitwand und Verfahren zum Herstellen einer ortsfesten Betonleitwand

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1012439C2 (nl) * 1999-06-25 2001-01-10 Haitsma Beton Bv Afscheidingselement.
AT507611B1 (de) * 2008-11-20 2010-08-15 Mathias Mag Redlberger Verbindungseinrichtung zum verbinden von trennelementen für verkehrsflächen
AT509359B1 (de) * 2010-01-21 2012-02-15 Rebloc Gmbh Trennelement für verkehrsflächen
DE202012104881U1 (de) * 2012-12-14 2014-03-17 Jasmin Bohnacker Barriereelement und Barriere aus zumindest zwei miteinander verbundenen Barriereelementen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3502350A1 (fr) 2019-06-26
AT520630A4 (de) 2019-06-15
AT520630B1 (de) 2019-06-15

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