EP0620322B1 - Pfosten für Leitplanken für Strassen oder Autobahnen - Google Patents

Pfosten für Leitplanken für Strassen oder Autobahnen Download PDF

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Publication number
EP0620322B1
EP0620322B1 EP94400282A EP94400282A EP0620322B1 EP 0620322 B1 EP0620322 B1 EP 0620322B1 EP 94400282 A EP94400282 A EP 94400282A EP 94400282 A EP94400282 A EP 94400282A EP 0620322 B1 EP0620322 B1 EP 0620322B1
Authority
EP
European Patent Office
Prior art keywords
post
upright
web
sole
section
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
EP94400282A
Other languages
English (en)
French (fr)
Other versions
EP0620322A1 (de
Inventor
Olivier Résidence Le Cap Rousset Datry
Jean-Paul Delessert
Didier Engel
Pascal Patou
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.)
Sollac SA
Original Assignee
Sollac SA
Lorraine de Laminage Continu SA SOLLAC
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 Sollac SA, Lorraine de Laminage Continu SA SOLLAC filed Critical Sollac SA
Publication of EP0620322A1 publication Critical patent/EP0620322A1/de
Application granted granted Critical
Publication of EP0620322B1 publication Critical patent/EP0620322B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0461—Supports, e.g. posts

Definitions

  • the invention relates to a railing post for a road or motorway safety barrier.
  • the known posts Due to their square section, the known posts must have a wall of significant thickness to have mechanical strength, and in particular sufficient buckling resistance; consequently, the posts according to the prior art are very heavy, which is a drawback for their installation.
  • a railing post for road or motorway safety barrier comprising a support base on the ground and an upright.
  • the upright has a core and an insole fitted against a peripheral part of the core, so that the upright has a cross section having the shape of an I.
  • the shape of the core is not optimized to obtain a very good resistance despite a realization of the post in light form.
  • the object of the invention is to remedy this drawback by proposing a heavy railing post for road or motorway safety barrier which, while having mechanical behavior at least as good as that of known posts, is lighter and therefore easier to transport.
  • the subject of the invention is a railing post for a road or motorway safety barrier of the type comprising a support base on the ground and an upright comprising a core and at least one sole fitted against a part.
  • peripheral of the soul so that the post has a cross section having substantially the shape of an I, the post being characterized in that, if x is the distance, in a longitudinal direction of the post, of any cross section of the core at one end the amount constituting the top of the post and y the width of the web at said section in the transverse direction, y is proportional to the square root of x.
  • the pole may then have only a sole which surrounds the core on at least part of its periphery.
  • the post may further include a reinforcing element at a connection zone between the base and the at least one sole.
  • the base, the core, the at least one sole and the reinforcement are parts cut from a steel sheet and assembled by welding.
  • the steel sheet from which each of the parts is cut is a steel sheet with a high weldable yield strength, with a yield strength greater than 600 MPa.
  • the post generally marked with 1 in FIG. 1 comprises a base 2 pierced with holes 3 intended to allow anchor studs to pass into the ground, and an upright 4 perpendicular to the sole and fixed on it.
  • the upright 4 has a core 5 whose rear edge 6 is of parabolic shape and the right front edge.
  • the core 5 is surrounded by a sole 7 added against its front and rear edges.
  • Reinforcement 8 is attached on the one hand on the front face 9 of the sole 7 and on the other hand on the base 2.
  • the different parts are cut from steel sheets with high weldable elastic limit of elastic limit greater than 600 MPa and assembled by welding along the junction edges such as 10 , 11, 12, 13, 14, 15.
  • This post with equal resistance to shock and buckling, is 40% lighter than a post according to the prior art.
  • the upright of the post may consist of an I-section laminated or produced by mechanical welding; it then comprises a core and two soles.
  • the parabolic shape of the core allows additional lightening by constituting a so-called constant resistance beam, that is to say whose external contour makes it possible to follow the distribution of the stresses in the event of impact.
  • Such posts are fixed on the edge of overhead road structures such as bridges and support beams which form safety barriers.
  • the healds are fixed for example by bolting to the front face 9 of the sole which is substantially flat.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Bridges Or Land Bridges (AREA)
  • Tents Or Canopies (AREA)
  • Building Environments (AREA)
  • Road Paving Structures (AREA)
  • Road Signs Or Road Markings (AREA)

Claims (5)

  1. Pfosten (1) für Leitplanken auf Straßen oder Autobahnen von der Art, welche einen Sockel (2) für die Befestigung am Boden und einen Ständer (4) mit einem Steg (5) und mindestens eine Fußplatte (7) aufweist, welche an einem Teil des Umfangs des Steges (5) so befestigt ist, daß der Ständer (4) ein weitgehend I-förmiges Querprofil aufweist,
    dadurch gekennzeichnet, daß wenn x der Abstand in Längsrichtung des Ständers (4) zwischen einem beliebigen Querprofil des Steges (5) und einem Längsabschnitt des Ständers (4) ist, welcher das Kopfende des Pfostens (1) bildet, und y die Breite des Steges (5) an diesem Querprilf in Querrichtung bildet, so ist y proportional der Quadratwurzel von x.
  2. Pfosten nach Anspruch 1,
    dadurch gekennzeichnet, daß er eine einzige Fußplatte (7, 9) besitzt, welche den Steg (5) an mindestens einem Teil seines Umfanges umgibt.
  3. Pfosten nach einem der vorausgegangenen Ansprüche,
    dadurch gekennzeichnet, daß er außerdem ein Verstärkungselement (8) in einem Verbindungsbereich zwischen dem Sockel (2) und mindestens einer der Fußplatten (7, 9) aufweist.
  4. Pfosten nach Anspruch 3,
    dadurch gekennzeichnet, daß die Elemente: Sockel (2), Steg (5), Fußplatte (7, 9) und Verstärkung (8) des Pfostens (1) mindestens teilweise aus Teilen bestehen, welche aus einem Stahlblech ausgeschnitten sind und durch Verschweißung zusammengefügt werden.
  5. Pfosten nach Anspruch 4,
    dadurch gekennzeichnet, daß das Stahlblech, aus dem die einzelnen Teile ausgeschnitten werden, ein schweißhares Stahlblech mit einer hohen Streckgrenze von mehr als 600 MPa ist.
EP94400282A 1993-03-30 1994-02-09 Pfosten für Leitplanken für Strassen oder Autobahnen Expired - Lifetime EP0620322B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9303681A FR2703375B1 (fr) 1993-03-30 1993-03-30 Poteau garde-corps pour barriere de securite de route ou d'autoroute.
FR9303681 1993-03-30

Publications (2)

Publication Number Publication Date
EP0620322A1 EP0620322A1 (de) 1994-10-19
EP0620322B1 true EP0620322B1 (de) 1996-06-05

Family

ID=9445514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94400282A Expired - Lifetime EP0620322B1 (de) 1993-03-30 1994-02-09 Pfosten für Leitplanken für Strassen oder Autobahnen

Country Status (5)

Country Link
EP (1) EP0620322B1 (de)
AT (1) ATE138994T1 (de)
DE (1) DE69400227T2 (de)
ES (1) ES2088696T3 (de)
FR (1) FR2703375B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2800760B1 (fr) * 1999-11-08 2001-12-14 Lorraine Laminage Poteau garde-corps pour barrieres de securite de route ou d'autoroutes
ITTO20040060A1 (it) * 2004-02-06 2004-05-06 Fracasso Metalmeccanica Barriera stradale

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289301A (en) * 1978-10-13 1981-09-15 Nippon Light Metal Company Limited Post for a guard rail
FR2586724B1 (fr) * 1985-08-27 1988-03-11 Routier Equip Sa Barriere metallique, notamment pour l'equipement de voies de circulation routiere

Also Published As

Publication number Publication date
EP0620322A1 (de) 1994-10-19
DE69400227T2 (de) 1996-10-10
FR2703375B1 (fr) 1995-06-30
DE69400227D1 (de) 1996-07-11
ES2088696T3 (es) 1996-08-16
ATE138994T1 (de) 1996-06-15
FR2703375A1 (fr) 1994-10-07

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