EP0452205A2 - Leitplankenanlage mit zwei Leitplanken zum Zurückhalten von Fahrzeugen auf ihren eigenen Fahrbahn - Google Patents

Leitplankenanlage mit zwei Leitplanken zum Zurückhalten von Fahrzeugen auf ihren eigenen Fahrbahn Download PDF

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Publication number
EP0452205A2
EP0452205A2 EP91400944A EP91400944A EP0452205A2 EP 0452205 A2 EP0452205 A2 EP 0452205A2 EP 91400944 A EP91400944 A EP 91400944A EP 91400944 A EP91400944 A EP 91400944A EP 0452205 A2 EP0452205 A2 EP 0452205A2
Authority
EP
European Patent Office
Prior art keywords
post
spacer
wall portion
contact
wings
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.)
Withdrawn
Application number
EP91400944A
Other languages
English (en)
French (fr)
Other versions
EP0452205A3 (en
Inventor
Claude Pomero
Alain Tassus
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.)
Les Profiles du Centre
Original Assignee
Les Profiles du Centre
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Les Profiles du Centre filed Critical Les Profiles du Centre
Publication of EP0452205A2 publication Critical patent/EP0452205A2/de
Publication of EP0452205A3 publication Critical patent/EP0452205A3/fr
Withdrawn legal-status Critical Current

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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
    • E01F15/12—Continuous barriers extending along roads or between traffic lanes and having means for providing occasional passage, e.g. for emergency vehicles
    • 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
    • E01F15/0407—Metal rails
    • E01F15/0438—Spacers between rails and posts, e.g. energy-absorbing means

Definitions

  • the present invention relates to a road safety device intended to be installed on the central reservation of a road with separate carriageways, of the type comprising a row of posts anchored on the ground, two safety rails arranged on either side of said row of posts and interconnected by spacers, said spacers being fixed to the upper ends of said posts by fixing means and said posts having at least one substantially flat face.
  • the best known and most common is made up of rails made up of galvanized metal profile elements, placed end to end with overlapping of their ends and installed on posts at a height of about 0.70 m.
  • the metal elements can be connected to the posts by spacers.
  • the safety device is arranged on the central reservation of a dual carriageway road, and is intended to retain the vehicles traveling on each carriageway, it is already known to connect the two slides by fixed spacers each in their middle at the upper end of a common post.
  • German document DE 2 007 385 shows such a device in which the spacer is fixed to the end of the post by a console covering the post, the console being integral with the spacer.
  • the post bends causing a lateral tilting of the assembly of two slides then a subsequent separation of the post and the spacer by shearing of the fixing bolts of console.
  • the object of the present invention is to provide a safety device of the type mentioned above in which the two slides connected by spacers remain substantially in the same horizontal plane in the event of an impact on one or the other of the slides.
  • the upper end of the post is no longer capped by a console.
  • a bending or twisting of the post following a shock of an intensity greater than a determined intensity on one or the other of the slides causes a tearing of the bolt, under the effect of the lever arm exerted by the post on said portion of wall.
  • the slides connected by the spacers therefore remain in a substantially horizontal plane, and retain a very large moment of inertia, which is a safety factor.
  • said wall portion is disposed in a vertical plane perpendicular to the rails, and all the faces of said post, except the face in contact with said wall portion, are free from any contact with said spacer.
  • said spacer is produced by assembling, on the one hand, a C-shaped sheet having two parallel wings connected by a core, the central part of which constitutes said wall portion in contact with the corresponding post, said wings being arranged at the vertical and being remote from said post, and comprises, on the other hand, two horizontal plates between which said C-sheet is interposed, said two horizontal plates extending beyond said wings so that their ends are in abutment on said slides.
  • the drawings show a set of two parallel slides 1a and 1b connected by spacers 2.
  • Each spacer 2 is fixed to the upper end of a post 4 having at least one flat face 5 against which a portion of wall 6 is pressed, also flat, of the spacer 2.
  • the post 4 is secured to the wall portion 6 by a single bolt 7 disposed substantially in the center of the surfaces in mutual contact of the wall portion 6 of the flat face 5 of the post 4.
  • the wall portion 6 is arranged in a vertical plane perpendicular to the slides 1a and 1b.
  • the spacer of this first embodiment comprises a C-shaped sheet 8 having two wings 9a and 9b parallel to each other and connected by a vertical core, the central part of which constitutes the wall portion 6 which is in contact with the post 4
  • the wings 9a and 9b are arranged vertically and are distant from the post 4.
  • the wings 9a and 9b have openings 10 allowing the passage of fastening bolts of the slides 1a and 1b.
  • the sheet 8 is interposed between two horizontal plates 11a and 11b. The assembly of the horizontal plates 11a and 11b with the sheet 8 is preferably carried out by welding.
  • the horizontal plates 11a and 11b extend beyond the wings 9a and 9b so that their ends 12a and 12b are in abutment on the slides 1a and 1b, the latter preferably being formed by profiled elements of type A or B known.
  • all the faces of the post 4 with the exception of the flat face 5 which is in contact with the wall portion 6, are out of contact with the spacer 2.
  • the spacer 2 is thus in the form of a box open on its face remote from the post 4.
  • the horizontal plates 11a and 11b stiffen the spacer 2 and secure the two slides 1a and 1b between them.
  • the wall portion 6, on the other hand, is provided to allow the single fixing bolt 7 to be torn off, when following a violent impact on one or the other of the slides 1a and 1b by a vehicle, the post 4 undergoes bending or twisting; the post 4 then acting in the manner of a lever arm on the wall portion 6 or the adjacent edges of the horizontal plates 11a and 11b.
  • Figure 4 shows the tearing of the bolt 7 due to bending of the post 4 towards the front of the spacer 2.
  • Figure 5 shows the tearing of the bolt 7 due to a bending of the post 4 towards l 'rear of the spacer 2 and
  • FIG. 6 shows the tearing of the bolt 7 as a result of a twist of the post 4 relative to the spacer 2.
  • the two slides 1a and 1b remain substantially in the same horizontal plane when the impact of the vehicle is violent enough to cause plasticization of the base of the post 4.
  • FIG 8 shows a second embodiment of the spacer 2.
  • This spacer 2 also constituted by the assembly of a sheet 8 in the form of C interposed between two horizontal plates 11a and 11b.
  • the wings 9a and 9b are spaced from the slides 1a and 1b.
  • the horizontal plates 11a and 11b have between the wing 9a and the additional plate 16a, as well as between the wing 9b and the additional plate 16b, folds or ribs 17 parallel to the slides 1a and 1b and allowing the deformation of the corresponding box.
  • the ends 12a and 12b of the horizontal plates 11a and 11b are connected in the vicinity of each slide 1a and 1b by a wall 18 shaped so that it can fit into the neighboring slide 1a or 1b.
  • the upper horizontal plate 11b has a length greater than the length of the lower horizontal plate 11a.
  • the horizontal plates 11a and 11b will deform in line with the box delimited by the additional plate 16a and the wing 9a, thus making it possible to absorb a portion energy due to impact, before the post 4 deforms.
  • the box located on the side of the affected slide will be deformed.
  • this box will be deformed, then the post 4 will plasticize, leading to the separation of the spacer 2 and the corresponding post 4.
  • the post 4 is advantageously pierced with a hole allowing the passage of the single bolt 7.
  • the axis of this hole is at 100 mm maximum from the top of the post 4, in order to promote the tearing of the head of the bolt 7 by leverage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
EP19910400944 1990-04-10 1991-04-09 Guardrail system with two rails for holding vehicles on separate lanes Withdrawn EP0452205A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9004698 1990-04-10
FR9004698A FR2660676B1 (fr) 1990-04-10 1990-04-10 Glissiere a double element de glissement pour retenir les vehicules sur une route.

Publications (2)

Publication Number Publication Date
EP0452205A2 true EP0452205A2 (de) 1991-10-16
EP0452205A3 EP0452205A3 (en) 1992-05-06

Family

ID=9395694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910400944 Withdrawn EP0452205A3 (en) 1990-04-10 1991-04-09 Guardrail system with two rails for holding vehicles on separate lanes

Country Status (3)

Country Link
EP (1) EP0452205A3 (de)
FR (1) FR2660676B1 (de)
PT (1) PT97305A (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687775A1 (de) * 1994-06-17 1995-12-20 LEIT-RAMM D. Graf von Koenigsmarck KG Schutzvorrichtung
US5876020A (en) * 1996-05-30 1999-03-02 Autostrada Del Brennero S.P.A. High-performance deformable steel guardrail
FR2795439A1 (fr) * 1999-06-24 2000-12-29 D R Equipement Dispositif coulissant d'ouverture pour glissiere de securite
AT409004B (de) * 1996-06-03 2002-05-27 Voest Alpine Krems Finaltech Leiteinrichtung
GB2377458A (en) * 2001-06-28 2003-01-15 Bridge Parapets Ltd Railing or parapet structure for a bridge
EP1391558A1 (de) * 2002-08-20 2004-02-25 Sec Envel S.à.r.l. Strassenleitplanke mit verformbaren Abstandshaltern
WO2007144142A1 (en) * 2006-06-13 2007-12-21 Corus Uk Limited Rail for vehicle safety barriers
KR101510873B1 (ko) * 2014-09-15 2015-04-09 이인숙 도로용 가드레일
AU2008261143B2 (en) * 2007-12-21 2015-07-02 Industrial Galvanizers Corporation Pty Ltd Improved Guard Rail Post
US11371198B2 (en) * 2018-07-26 2022-06-28 Industrial Galvanizers Corporation Pty Ltd Spacer piece for a guard rail system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7106318U (de) * 1971-05-27 Hch Bertrams Ag Abstandhalter fur Stahlleitplanken
DE1784915B1 (de) * 1966-05-28 1971-07-01 A.Neher Maschinenfabrik,Stahl-U.Apparatebau Gmbh Leitplanke für Strassen
NL6810206A (de) * 1968-07-18 1970-01-20
DE2103535C3 (de) * 1968-09-14 1974-01-17 A. Neher Maschinenfabrik, Stahlund Apparatebau Gmbh, 8750 Aschaffenburg Leitplanke
DE2007385C3 (de) * 1970-02-10 1974-01-24 A. Neher Maschinenfabrik, Stahlund Apparatebau Gmbh, 8750 Aschaffenburg Leitplanke
GB2195385B (en) * 1984-04-13 1989-01-18 Vincent Michael Demarest Vehicle crash barriers
FR2564498B1 (fr) * 1984-05-21 1986-11-28 Routier Equip Sa Dispositif de retenue pour voies de circulation routiere

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687775A1 (de) * 1994-06-17 1995-12-20 LEIT-RAMM D. Graf von Koenigsmarck KG Schutzvorrichtung
US5876020A (en) * 1996-05-30 1999-03-02 Autostrada Del Brennero S.P.A. High-performance deformable steel guardrail
AT409004B (de) * 1996-06-03 2002-05-27 Voest Alpine Krems Finaltech Leiteinrichtung
FR2795439A1 (fr) * 1999-06-24 2000-12-29 D R Equipement Dispositif coulissant d'ouverture pour glissiere de securite
GB2377458A (en) * 2001-06-28 2003-01-15 Bridge Parapets Ltd Railing or parapet structure for a bridge
GB2377458B (en) * 2001-06-28 2005-01-05 Bridge Parapets Ltd Improvements in and relating to railings and parapets
EP1391558A1 (de) * 2002-08-20 2004-02-25 Sec Envel S.à.r.l. Strassenleitplanke mit verformbaren Abstandshaltern
FR2843762A1 (fr) * 2002-08-20 2004-02-27 Jean Claude Frederic Dupuis Barriere de securite pour voies de circulation de vehicules, comprenant des ecarteurs deformables
WO2007144142A1 (en) * 2006-06-13 2007-12-21 Corus Uk Limited Rail for vehicle safety barriers
AU2008261143B2 (en) * 2007-12-21 2015-07-02 Industrial Galvanizers Corporation Pty Ltd Improved Guard Rail Post
KR101510873B1 (ko) * 2014-09-15 2015-04-09 이인숙 도로용 가드레일
US11371198B2 (en) * 2018-07-26 2022-06-28 Industrial Galvanizers Corporation Pty Ltd Spacer piece for a guard rail system

Also Published As

Publication number Publication date
FR2660676A1 (fr) 1991-10-11
EP0452205A3 (en) 1992-05-06
FR2660676B1 (fr) 1992-12-31
PT97305A (pt) 1993-05-31

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