EP1167628B1 - Strassenleitplanke - Google Patents

Strassenleitplanke Download PDF

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Publication number
EP1167628B1
EP1167628B1 EP01113157A EP01113157A EP1167628B1 EP 1167628 B1 EP1167628 B1 EP 1167628B1 EP 01113157 A EP01113157 A EP 01113157A EP 01113157 A EP01113157 A EP 01113157A EP 1167628 B1 EP1167628 B1 EP 1167628B1
Authority
EP
European Patent Office
Prior art keywords
coach
shock
barrier according
slot
absorber
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.)
Expired - Lifetime
Application number
EP01113157A
Other languages
English (en)
French (fr)
Other versions
EP1167628A2 (de
EP1167628A3 (de
Inventor
Alexandre Varitchev
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.)
Profil R SAS
Original Assignee
Profil R SAS
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Filing date
Publication date
Application filed by Profil R SAS filed Critical Profil R SAS
Publication of EP1167628A2 publication Critical patent/EP1167628A2/de
Publication of EP1167628A3 publication Critical patent/EP1167628A3/de
Application granted granted Critical
Publication of EP1167628B1 publication Critical patent/EP1167628B1/de
Anticipated expiration legal-status Critical
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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
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0476—Foundations

Definitions

  • the subject of the present invention is a road crash barrier according to the preamble to the main claim, of the type which is arranged for preferred installation at a side edge, conforming to category H4b of standards EN 1317-1E2TB81 and TB11.
  • a barrier of the above-mentioned type formed in accordance with the prior art is normally constituted by a plurality of posts arranged at 3000 mm intervals and anchored mechanically to the roadway-support structure by means of metal ties.
  • the posts are then connected to one another at the front by means of a plate 6200 mm long, and at the top by a connection element which also serves to prevent a vehicle turning over during an impact.
  • European patent application EP-A-0837189 discloses a road crash barrier comprising a plurality of posts which can be anchored to a roadway structure by means of coach bolts in a manner such as to be translatable under stress in order to absorb the energy of an impact of a vehicle by deformation of the coach bolts.
  • a shock-absorber is interposed between each of the posts and the respective coach bolt and comprises an element which is fixed firmly to the post and in which an aperture is formed.
  • the coach bolt extends through the aperture in order to clamp the shock-absorber element against the top surface of the base of the corresponding post.
  • the shock-absorber is a deformable hollow chamber, optionally filled with an elastic material to obtain a better dissipation of the energy derived from impact.
  • a first disadvantage of these known barriers is that the installation of the mechanical connection connecting the posts to the roadway structure is quite laborious and inefficient.
  • Another disadvantage is that the length of the plates makes the assembly of the barrier also inefficient and, moreover, permits low assembly tolerances so that it is necessary to use suitable non-standard details on bends and on humps.
  • the problem underlying the present invention is that of providing a road crash barrier, particularly for installation at a side edge, which is designed structurally and functionally to overcome all of the disadvantages discussed with reference to the prior art mentioned.
  • a road barrier is arranged at the side of a road structure of which a kerb 2, for example, made of concrete, is visible.
  • the barrier 1 comprises a plurality of posts, all indicated 3, on top of each of which a respective support 4 for a rail 5 of metal tubing is fixed.
  • the rails 5 are joined end to end by means of sleeve couplings 6 to form a continuous structure and are housed in tubular structures 7 disposed on the free upper ends of the supports 4.
  • each support 4 carries a square flange mount 8 by which it is fixed to the post at a predetermined inclination to the vertical.
  • the posts 3 are made from sheet metal by bending and have two identical cheeks 9 joined together at the rear by a spine 10. At the front, the cheeks define a recess 11 for housing a reinforcement 12 with a U-shaped or tubular cross-section.
  • a plate or skirt 13 is fitted on the cheeks, also at the front, and joins together a plurality of adjacent posts, generally three posts. With a preferred interaxial spacing or distance of 1500 mm between the posts, the skirt has a length of 3200 mm, a portion of which can overlap the adjacent skirt.
  • each post is completed by a sliding plate 14 on which a sliding surface 15 having a through-hole 16 is defined.
  • the plate 14 has a lip 17 by means of which it is fixed to the front portion of the post 3 by a nut-and-bolt connection.
  • the sliding plate 14 bears on the ground and is compressed between the surface of the kerb and a shock-absorber 20 by means of a coach bolt 21.
  • the coach bolt 21 is arranged for chemical anchorage in a seat 23 disposed in the bottom of a recess 24 in the kerb 2, by means of a resin 22, for example, of the type which can be cross-linked by means of catalysts.
  • the portion of the recess 24 between the seat 23 and the plate 14 is substantially enlarged in comparison with the stem of the coach bolt to permit the plastic deformation thereof which is shown in Figure 5, as a result of impacts which lead to relatively limited energy dissipation.
  • the coach bolts are arranged to yield to breaking point, with a gradual yielding of the barrier which prevents the moving vehicle from riding over it.
  • the coach bolt also extends through the hole 16 in the sliding plate 14 and through a slot 25 in the shock-absorber 20.
  • the shock-absorber 20 comprises a substantially inverted U-shaped element with a central portion 26 and two lateral flanges 27.
  • the slot 25 is formed in the central portion 26 and the free edges of the two flanges 27 are urged against the sliding surface 15 of the plate 14 by the coach bolt 21.
  • Vertical stiffening means are provided around the slot 25 and include an annular element 28 extending from the central portion 26 in the same direction and to the same extent as the flanges 27 so as to create further support for the U-shaped element on the plate 14.
  • the posts are connected to one another by a strip 29 housed and fixed in a recessed seat 30 by bolted connection so as to be flush therewith.
  • the strips do not therefore interfere with any subsequent fitting of coverings or rear buffer structures where required and are easy to handle, fit and galvanize.
  • the invention thus solves the problem posed, achieving many advantages over known road barriers. Amongst these is the fact that the provision for chemical anchorage of the coach bolts facilitates the fixing of the barrier to the roadway structure whilst maintaining its capacity for plastic deformation in the event of an impact by a vehicle.
  • the use of a shorter distance between the posts permits a better distribution of the energy involved in the event of an impact, and permits the use of rails with smaller cross-sections, and of shorter skirt elements.
  • the assembly of the barrier is thus facilitated and the need to use non-standard details on bends and humps is avoided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Road Signs Or Road Markings (AREA)
  • Vibration Dampers (AREA)

Claims (9)

  1. Straßenleitplanke, enthaltend mehrere Pfosten (3), die in einem Straßenunterbau (2) mittels Schwellenrauben (21) so verankert werden können, dass sie unter Belastung seitlich verschiebbar sind, um die Energie des Aufpralls eines Fahrzeugs durch Verformung und/oder durch Bruch der Schwellenschrauben (21) zu absorbieren, dadurch gekennzeichnet, dass ein Stoßdämpfer zwischen jedem der Pfosten (3) und der entsprechenden Schwellenschraube (21) angeordnet ist und ein Element (20) enthält, das innerhalb einer vorgegebenen Belastungsgrenze fest mit dem Pfosten (3) verbunden ist und in dem ein Schlitz (25) längs der Richtung der Querverschiebung der Leitplanke (1) ausgebildet ist, die Schwellenschraube (21) sich durch den Schlitz (25) erstreckt, um das Stoßdämpferelement an einer Gleitfläche (15) des entsprechenden Pfostens (3) unter einer vorbestimmten Last so festzuklemmen, dass bei einem Aufprall das Stoßdämpferelement gegenüber der betreffenden Schwellenschraube verschoben wird, bevor diese Schwellenschraube verbogen wird.
  2. Straßenleitplanke nach Anspruch 1, bei der das Stoßdämpferelement eine vertikale Aussteifungseinrichtung (28) im Bereich des Schlitzes (25) aufweist.
  3. Straßenleitplanke nach Anspruch 2, bei der die Aussteifungseinrichtung ein ringförmiges Element (28) aufweist, das fest an dem Stoßdämpferelement um den Schlitz (25) herum angebracht ist.
  4. Straßenleitplanke nach einem der Ansprüche 1, 2 und 3, bei der die Schwellenschraube (21) zur chemischen Verankerung in einer Vertiefung (24) im Straßenunterbau eingerichtet ist.
  5. Straßenleitplanke nach Anspruch 4, bei der die Vertiefung (24) mit einem Sitz (23) zum Befestigen eines Endabschnitts der betreffenden Schwellenschraube (21) und mit einem vergrößerten Abschnitt zwischen dem Sitz (23) und dem Stoßdämpferelement versehen ist, um eine plastische Verformung eines Zwischenabschnitts der Schwellenschraube (21) unter Belastung zu ermöglichen.
  6. Straßenleitplanke nach einem oder mehreren der vorhergehenden Ansprüche, bei der die Gleitfläche (15) durch eine Gleitplatte (14) bestimmt ist, die dem Fuß des Pfostens (3) zugeordnet und mit diesem seitlich verschiebbar ist.
  7. Straßenleitplanke nach einem oder mehreren der vorhergehenden Ansprüche, bei der die Pfosten (3) in Abständen von 1.500 mm vorgesehen sind.
  8. Straßenleitplanke nach einem oder mehreren der vorhergehenden Ansprüche, bei der der Stoßdämpfer (20) einen umgekehrt U-förmigen Querschnitt hat und der Schlitz (25) im Mittenabschnitt (26) des U-förmigen Querschnitts ausgebildet ist.
  9. Straßenleitplanke nach einem oder mehreren der vorhergehenden Ansprüche, bei der die Gleitplatte (14) ein Loch (16) aufweist, durch das sich die Schwellenschraube (21) mit einem Freiraum erstreckt, das im Wesentlichen gleich dem vergrößerten Abschnitt des Sitzes (23) ist.
EP01113157A 2000-06-26 2001-05-30 Strassenleitplanke Expired - Lifetime EP1167628B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPD000171 2000-06-26
IT2000PD000171A IT1315713B1 (it) 2000-06-26 2000-06-26 Barriera di contenimento stradale.

Publications (3)

Publication Number Publication Date
EP1167628A2 EP1167628A2 (de) 2002-01-02
EP1167628A3 EP1167628A3 (de) 2003-10-29
EP1167628B1 true EP1167628B1 (de) 2006-04-26

Family

ID=11452019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01113157A Expired - Lifetime EP1167628B1 (de) 2000-06-26 2001-05-30 Strassenleitplanke

Country Status (4)

Country Link
EP (1) EP1167628B1 (de)
AT (1) ATE324494T1 (de)
DE (1) DE60119033D1 (de)
IT (1) IT1315713B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380695B1 (de) * 2002-07-12 2008-02-27 SPIG Schutzplanken-Produktions-Gesellschaft mbH & Co.KG Fahrzeugrückhaltesystem
ITRM20040347A1 (it) * 2004-07-13 2004-10-13 Marcello Burzi Elemento di barriera stradale con organi deformabili fra l'elemento ed i bulloni di ancoraggio.
ES2220238B2 (es) 2004-08-04 2006-02-16 Hierros Y Aplanaciones, S.A. (Hiasa) Sistema de contencion de impactos laterales de vehiculos, con alta capacidad de contencion y de absorcion energetica.
AT513410A1 (de) * 2012-09-27 2014-04-15 Rebloc Gmbh Begrenzungselement für Verkehrsflächen
DE202012104283U1 (de) * 2012-11-07 2012-11-29 Spig Schutzplanken-Produktions-Gesellschaft Mbh & Co. Kg Fahrzeugrückhaltesystem zur Anordnung auf einem Brückenbauwerk
DE102016118394A1 (de) * 2016-09-28 2018-03-29 Bochumer Eisenhütte Heintzmann GmbH & Co. Bau- und Beteiligungs KG Betonschraube für ein Fahrzeugrückhaltesystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1262381B (it) * 1993-07-23 1996-06-19 Autostrade Concess Const Barriera leggera da ponte autostrade.
IT1289006B1 (it) * 1996-10-17 1998-09-25 Sistema Srl Barriera metallica di sicurezza
IT1305149B1 (it) * 1998-10-30 2001-04-10 Ilva Pali Dalmine S R L Barriera stradale semirigida ad elevata capacita' di contenimento edassorbimento di energia d'urto, in particolare per ponti e simili

Also Published As

Publication number Publication date
EP1167628A2 (de) 2002-01-02
ATE324494T1 (de) 2006-05-15
ITPD20000171A1 (it) 2001-12-26
DE60119033D1 (de) 2006-06-01
ITPD20000171A0 (it) 2000-06-26
IT1315713B1 (it) 2003-03-18
EP1167628A3 (de) 2003-10-29

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