EP0148689B1 - Protective guard rail for roadways adapted to protruding obstacles - Google Patents

Protective guard rail for roadways adapted to protruding obstacles Download PDF

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Publication number
EP0148689B1
EP0148689B1 EP84402652A EP84402652A EP0148689B1 EP 0148689 B1 EP0148689 B1 EP 0148689B1 EP 84402652 A EP84402652 A EP 84402652A EP 84402652 A EP84402652 A EP 84402652A EP 0148689 B1 EP0148689 B1 EP 0148689B1
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EP
European Patent Office
Prior art keywords
obstacle
support
crash
resting support
girder
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
Application number
EP84402652A
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German (de)
French (fr)
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EP0148689A1 (en
Inventor
Jean-Claude Dupuis
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Dupuis Jean-Claude
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT84402652T priority Critical patent/ATE33051T1/en
Publication of EP0148689A1 publication Critical patent/EP0148689A1/en
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Publication of EP0148689B1 publication Critical patent/EP0148689B1/en
Expired legal-status Critical Current

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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
    • E01F15/14—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
    • E01F15/141—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 for column or post protection
    • 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 slide at the level of the span concerned by the obstacle, comprises a crushable support fixed on one side on the slide between the rail and the obstacle, and coming from the other side, on or in the immediate vicinity (a few centimeters) of the obstacle. If it turns out that the obstacle (a tree in general) coincides with the theoretical location of a support post, we remove this post and join the two adjacent spans into a single, larger one, on which the support of the invention.
  • the support of relatively short length, is fixed to a beam which doubles and strengthens the beam of the span concerned.
  • This horizontal intermediate beam is advantageously in the shape of a flared U so as to be able to come exactly over the conventional spacing devices which retain the rail on the support posts.
  • This flared U shape has the additional advantage of allowing a compact stacking of beams (storage, transport), and of offering good resistance to deformation, especially since the supports, of the same shape in profile, are attached to them. by the edges of their wings and tend to prevent the opening of the beams (spreading of the wings) in the event of an impact. In the case where two spans are joined, one can add reinforcing plates between the wings of the intermediate beams to oppose their opening in the event of impact.
  • the support 10 is similar to the previous one, although straddling the two beams 6 '. It is advantageous for the beams 6 and 6 ′ to have a slight taper longitudinally, facilitating their overlapping end to end.

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)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Road Paving Structures (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

1. Crash barrie for roads or highways, of the type comprising metallic rail elements (5, 5') supported by spaced apart supporting posts (3), and adapted to be implanted in front of a hard projecting obstacle such as a tree (2) situated between two posts (3), characterised in that the crash barrier comprises, at the level of the span concerned by the obstacle, a crushable resting support (10) fixed on one side of the barrier (1) between the rail and the obstacle, and reaching, on the other side, onto or in the immediate vicinity of the obstacle (2).

Description

L'invention concerne les glissières de protection pour routes et autoroutes, du type comprenant des éléments de lisse métallique supportés par des poteaux de support espacés, adaptées pour être implantées devant un obstacle dur saillant tel qu'un arbre situé entre deux poteaux.The invention relates to protective barriers for roads and motorways, of the type comprising metal heald elements supported by spaced support posts, adapted to be installed in front of a protruding hard obstacle such as a tree located between two posts.

Lorsque ces glissières sont implantées au voisinage d'obstacles durs saillants tels que des arbres, il était jusque là d'usage de rigidifier la glissière progressivement: autrement dit, la glissière se trouvait modifiée sur une relativement grande longueur en amont et en aval de l'obstacle. Ce système était donc assez complexe, lourd en matériel et coûteux. De plus, il ne permettait pas que le nu avant de la glissière soit très rapproché de l'obstacle.When these slides are located in the vicinity of protruding hard obstacles such as trees, it was hitherto customary to stiffen the slide gradually: in other words, the slide was modified over a relatively great length upstream and downstream of the 'obstacle. This system was therefore quite complex, heavy in material and expensive. In addition, it did not allow the bare front of the slide to be very close to the obstacle.

Le but de l'invention est de proposer un nouveau système de protection contre les obstacles, qui s'adapte très facilement sur les glissières de type conventionnel, soit très ponctuel (c'est-à-dire qu'il ne concerne que la travée de glissière la plus voisine de l'obstacle), et qui petmette de plus de réduire la distance entre le nu avant de la glissière et l'obstacle.The object of the invention is to propose a new system of protection against obstacles, which adapts very easily on the slides of conventional type, that is to say very punctual (that is to say it relates only to the span closest to the obstacle), and which also allows to reduce the distance between the naked front of the slide and the obstacle.

Ce but est atteint conformément à l'invention en ce que la glissière, au niveau de la travée concernée par l'obstacle, comporte un appui écrasable fixé d'un côté sur la glissière entre la lisse et l'obstacle, et venant, de l'autre côté, sur ou à proximité immédiate (quelques centimètres) de l'obstacle. S'il se trouve que l'obstacle (un arbre en général) coïncide avec l'emplacement théorique d'un poteau de support, on supprime ce poteau et on réunit les deux travées adjacentes en une seule, plus grande, sur laquelle monte l'appui de l'invention.This object is achieved in accordance with the invention in that the slide, at the level of the span concerned by the obstacle, comprises a crushable support fixed on one side on the slide between the rail and the obstacle, and coming from the other side, on or in the immediate vicinity (a few centimeters) of the obstacle. If it turns out that the obstacle (a tree in general) coincides with the theoretical location of a support post, we remove this post and join the two adjacent spans into a single, larger one, on which the support of the invention.

L'appui, de longueur relativement courte, est fixé à une poutre qui double et renforce la lisse de la travée concernée. Cette poutre intermédiaire horizontale est avantageusement en forme de U évasé de manière à pouvoir venir coiffer exactement les dispositifs d'écartement conventionnels qui retiennent la lisse sur les poteaux de support. Cette forme en U évasé a l'avanntage supplémentaire de permettre un empilement compact de poutres (stockage, transport), et d'offrir une bonne résistance à la déformation, d'autant que les appuis, de même forme en profil, leur sont accolés par les rebords de leurs ailes et tendent à empêcher l'ouverture des poutres (écartement des ailes) en cas de choc. Dans le cas où deux travée sont réunies, on peut ajouter des plats de renfort entre les ailes des poutres intermédiaires pour s'opposer à leur ouverture en cas de choc.The support, of relatively short length, is fixed to a beam which doubles and strengthens the beam of the span concerned. This horizontal intermediate beam is advantageously in the shape of a flared U so as to be able to come exactly over the conventional spacing devices which retain the rail on the support posts. This flared U shape has the additional advantage of allowing a compact stacking of beams (storage, transport), and of offering good resistance to deformation, especially since the supports, of the same shape in profile, are attached to them. by the edges of their wings and tend to prevent the opening of the beams (spreading of the wings) in the event of an impact. In the case where two spans are joined, one can add reinforcing plates between the wings of the intermediate beams to oppose their opening in the event of impact.

L'appui peut comporter des renforts intérieurs.The support may include interior reinforcements.

Ainsi l'invention permet d'implanter des glissières juste devant les obstacles (la distance entre le nu avant de la glissière et l'obstacle peut être ramenée à 40 cm) tout en évitant que l'élément de glissement ne s'enroule autour de l'obstacle.Thus the invention makes it possible to install slides just in front of the obstacles (the distance between the bare front of the slide and the obstacle can be reduced to 40 cm) while preventing the sliding element from wrapping around the obstacle.

L'invention sera mieux comprise à la lecture de la description suivante faite en référence aux dessins annexés sur lesquels:

  • - la figure 1 est une vue de dessus d'une section de glissière conforme à l'invention placée au voisinage d'un obstacle, l'obstacle étant situé entre deux poteaux de support d'implantation normale.
  • - la figure 2 est une vue modifiée de la figure 1 lorsque l'obstacle est situé au droit d'un poteau de support théorique.
  • - la figure 3 est une vue en coupe lll-lll de la figure 1.
The invention will be better understood on reading the following description made with reference to the appended drawings in which:
  • - Figure 1 is a top view of a slide section according to the invention placed in the vicinity of an obstacle, the obstacle being located between two normal installation support posts.
  • - Figure 2 is a modified view of Figure 1 when the obstacle is located to the right of a theoretical support pole.
  • - Figure 3 is a sectional view III-III of Figure 1.

La glissière 1, passant au voisinage d'un arbre 2 se compose de poteaux de support 3 portant des dispositifs d'écartement métalliques 4 de forme conventionnelle (tels que les dispositifs agréés par la circulaire 81.50 du 22 juin 1981 du Ministère de l'Equipement et des Transports français), à l'extrémité avant desquels se boulonne normalement le plat intérieur des lisses 5, également conventionnelles.The slide 1, passing in the vicinity of a shaft 2 consists of support posts 3 carrying metal spacers 4 of conventional shape (such as the devices approved by circular 81.50 of June 22, 1981 of the Ministry of Equipment and French Transport), at the front end of which is normally bolted the inner plate of the stringers 5, also conventional.

Lorsque, dans le cas général (figure 1), l'arbre 2 se trouve à peu près entre deux supports 3 implantés normalement (généralement à un intervalle de 2 m), on prévoit selon l'invention de renforcer localement la lisse par une poutre 6 fixée entre les deux supports 3. La poutre 6 est en profilé ouvert (quatre plis) de développé et épaisseur identiques à ceux des lisses 5, ce qui permet de simplifier les problèmes d'approvisionnement et de fabrication. Le forme de la poutre 6 est prévue, pour que la poutre vienne exactement coiffer les dispositifs d'écartement 4, au moins partiellement (cf. Fig. 3). On sait que les dispositifs d'écartement 4 présentent deux faces respectivement supérieure et inférieure, inclinées de manière à converger vers la face avant verticale. Ainsi, la poutre 6 a-telle un profil en U évasé, dont les ailes sont munies de faibles rebords 7.When, in the general case (FIG. 1), the shaft 2 is approximately between two supports 3 normally installed (generally at an interval of 2 m), provision is made according to the invention to locally reinforce the beam with a beam 6 fixed between the two supports 3. The beam 6 is in open section (four folds) of developed and thickness identical to those of the beams 5, which simplifies the supply and manufacturing problems. The shape of the beam 6 is provided, so that the beam comes exactly to cover the spacers 4, at least partially (cf. Fig. 3). It is known that the spacing devices 4 have two upper and lower faces respectively, inclined so as to converge towards the vertical front face. Thus, the beam 6 has such a flared U-shaped profile, the wings of which are provided with weak edges 7.

Sur les ailes de la poutre 6 sont prévues des lumières transversales 8, qui viennent s'aligner avec des trous prévus spécialement pour l'invention dans les faces supérieure et inférieure des dispositifs d'écartement 4, de maière pouvoir fixer la poutre 6 sur les dispositifs 4 par des boulons 9.On the wings of the beam 6 are provided transverse lights 8, which align with holes provided specially for the invention in the upper and lower faces of the spacers 4, so that the beam 6 can be fixed on the devices 4 by bolts 9.

L'âme de la poutre 6 comporte aussi des lumières horizontales qui s'alignent avec les perçages de la face avant des dispositifs 4 pour autoriser le boulonnage des lisses 5.The core of the beam 6 also includes horizontal lights which align with the holes in the front face of the devices 4 to allow the bolting of the beams 5.

Au droit de l'obstacle 2, on vient fixer sur la poutre 6 un appui 10, de profil identique à celui de la poutre 6, mais de longueur inférieure (par exemple 600 mm, alors que la poutre 6 mesure 2 m). L'appui 10 est renforcé par deux plaques verticales intérieures soudées 11. L'appui 10 a ses rebords d'aile 12 qui sont disposés contre les rebords 7 de la poutre 6; les rebords 12, 7 de l'un et de l'autre comportent des perçages d'espacement modulaire qui permettent par des boulons 13 de fixer l'appui 10 à la poutre 6.In line with the obstacle 2, a support 10 is fixed on the beam 6, with a profile identical to that of the beam 6, but of shorter length (for example 600 mm, while the beam 6 measures 2 m). The support 10 is reinforced by two internal vertical welded plates 11. The support 10 has its flange edges 12 which are arranged against the edges 7 of the beam 6; the flanges 12, 7 of one and the other have holes with modular spacing which allow by bolts 13 to fix the support 10 to the beam 6.

L'appui 10 et placé soit en appui soit à proximité immédiate (par exemple 2 cm) de l'obstacle: il maintient une distance suffisante entre la lisse 5 de la glissière et l'obstacle 2 pour éviter le blocage d'une voiture sur l'obstacle 2.Support 10 and placed either in support or in the immediate vicinity (for example 2 cm) of the obstacle: it maintains a sufficient distance between the rail 5 of the slide and the obstacle 2 to avoid the blocking of a car on the obstacle 2.

Cètte adaptation permet de ramener jusqu'à 40 cm la distance entre le nu avant de la glissière et l'obstacle dans de bonnes conditions de sécurité. Bien entendu cette distance n'est pas critique, et lorsqu'il n'y a pas de problème de place, elle peut être supérieure. Ceci permet une atténuation en souplessen d'un choc éventuel, la déformation de l'appui n'intervenant le cas échéant qu'en fin de course.This adaptation allows the distance between the front bar of the slide and the obstacle to be reduced to 40 cm in good safety conditions. Of course this distance is not critical, and when there is no space problem, it can be greater. This allows attenuation in souplessen of a possible shock, the deformation of the support intervening if necessary only at the end of the race.

Lorsqu'il se trouve que l'arbre 2 est situé au droit de l'implantation théorique d'un poteau support 3, on est conduit selon l'invention à supprimer ledit poteau support 3 ainsi que son dispositif d'écartement 4.When it is found that the shaft 2 is located at the right of the theoretical layout of a support post 3, the invention is led to remove said support post 3 as well as its spacing device 4.

Entre les deux poteaux support 3, alors éloignés de 4 m, on dispose par exemple deux lisses 5' et deux poutres 6' emboîtées à leurs extrémités, et boulonnées au niveau de leurs lumières 8'. L'appui 10 est semblable au précédent, quoique à cheval sur les deux- poutres 6'. Il est avantageux que les poutres 6 et 6' présentent longitudinalement une légère conicité facilitant leur chevauchement bout à bout.Between the two support posts 3, then spaced 4 m apart, there are for example two struts 5 ′ and two beams 6 ′ fitted at their ends, and bolted at their lights 8 ′. The support 10 is similar to the previous one, although straddling the two beams 6 '. It is advantageous for the beams 6 and 6 ′ to have a slight taper longitudinally, facilitating their overlapping end to end.

Il peut être prévu des plats 14 de renforcement boulonnés sur les rebords d'aile des poutres 6', et s'étendant entre le rebord inférieur et le rebord supérieur, pour conjurer les risques d'ouverture des poutres en cas de choc.Reinforcement plates 14 may be provided bolted to the flange flanges of the beams 6 ′, and extending between the lower flange and the upper flange, to avoid the risks of opening the beams in the event of an impact.

Bien que l'appui soit qualifié d'écrasable, il doit être compris que son écrasement, ou sa déformation, est fonction de la force des chocs et que l'appui n'est pas destiné à s'écraser complètement sous le moindre choc.Although the support is described as crushable, it must be understood that its crushing, or its deformation, is a function of the force of the shocks and that the support is not intended to crush completely under the slightest shock.

Bien entendu, diverses modifications du dispositif peuvent être envisagées sens sortir du cadre de l'invention. C'est ainsi que l'appui peut être fixé directement sur l'obstacle, et non sur la glissière.Of course, various modifications of the device can be envisaged without departing from the scope of the invention. This is how the support can be fixed directly on the obstacle, and not on the slide.

D'autre part, les obstacles peuvent être de toute nature. En dehors des arbres, il peut s'agir de piles de ponts, de barrière rigide, de réverbères, etc.On the other hand, the obstacles can be of any kind. Apart from trees, it can be piles of bridges, rigid barriers, lampposts, etc.

Claims (5)

1. Crash barrie for roads or highways, of the type comprising metallic rail elements (5, 5') supported by spaced apart supporting posts (3), and adapted to be implanted in front of a hard projecting obstacle such as a tree (2) situated between two posts (3),
characterised in that the crash barrier comprises, at the level of the span concerned by the obstacle, a crushable resting support (10) fixed on one side of the barrier (1) between the rail and the obstacle, and reaching, on the other side, onto or in the immediate vicinity of the obstacle (2).
2. Crash barrier according to claim 1, characterised in that the resting support (10) is fixed on a horizontal intermediate girder (6, 6') mounted on the barrier (1).
3. Crash barrier according to claim 2, characterised in that the girder (6, 6') is a widening-out U-shaped girder, the back of which rests against the rail (5, 5') of the barrier (1), and the resting support (10) is also a widening-out U-shaped profile of which the back faces towards the obstacle (2), the resting support (10) being fixed on the girder (6, 6') via the flanges (12, 7) of their sides.
4. Crash barrier according to claim 3, characterised in that the resting support (10) comprises vertical inner reinforcements.
5. Crash barrier according to claim 3, in which the rail elements (5, 5') are mounted on supporting posts by means of spacing devices (4), characterised in that the intermediate girder (5, 5') is mounted on said devices (4).
EP84402652A 1983-12-20 1984-12-19 Protective guard rail for roadways adapted to protruding obstacles Expired EP0148689B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84402652T ATE33051T1 (en) 1983-12-20 1984-12-19 ROAD PROTECTION RAIL ADAPTED TO PROJECTING OBSTACLES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8320395 1983-12-20
FR8320395A FR2556754B1 (en) 1983-12-20 1983-12-20 ROAD PROTECTION SLIDE ADAPTED TO HIGHER BARRIERS

Publications (2)

Publication Number Publication Date
EP0148689A1 EP0148689A1 (en) 1985-07-17
EP0148689B1 true EP0148689B1 (en) 1988-03-16

Family

ID=9295353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84402652A Expired EP0148689B1 (en) 1983-12-20 1984-12-19 Protective guard rail for roadways adapted to protruding obstacles

Country Status (5)

Country Link
EP (1) EP0148689B1 (en)
AT (1) ATE33051T1 (en)
DE (1) DE3469929D1 (en)
ES (1) ES293722Y (en)
FR (1) FR2556754B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5099485A (en) * 1984-11-29 1986-06-18 International Barrier Corp. Drainage and obstacle roadway module
ATE62517T1 (en) * 1987-03-18 1991-04-15 Sps Schutzplanken Gmbh CRASH ABSORBER.
DE10116701A1 (en) * 2000-09-12 2002-03-28 Outimex Bautechnik Gmbh Guiding element for protective devices
EP1486614A1 (en) * 2003-06-12 2004-12-15 SPIG Schutzplanken-Produktions-Gesellschaft mbH & Co.KG Guard rail
DE102009044721A1 (en) 2009-12-01 2011-06-09 Studiengesellschaft für Stahlschutzplanken eV Protective plank system for safety of dangerous places by at lane edge, comprises safety device which is sectionally arranged in area of dangerous place of formed object for lane-lateral protective plank arrangement
CN111270629A (en) * 2020-04-20 2020-06-12 江苏国强交通科技有限公司 Obstacle protector in highway calculation clean area
DE102021112502A1 (en) 2021-05-12 2022-11-17 Meiser Straßenausstattung GmbH Protective device for junction areas of traffic routes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT294900B (en) * 1967-10-09 1971-12-10 Oesterr Alpine Montan Road guardrail
US3643924A (en) * 1970-09-24 1972-02-22 Fibco Inc Highway safety device
AT320711B (en) * 1973-03-01 1975-02-25 Baumann Ernst Back-tensioned guardrail
AT345883B (en) * 1974-05-13 1978-10-10 Urlberger Karl Anton Hans SHOCK ABSORBING CURVED FOR GUIDANCE BARS

Also Published As

Publication number Publication date
DE3469929D1 (en) 1988-04-21
ATE33051T1 (en) 1988-04-15
ES293722Y (en) 1987-05-16
ES293722U (en) 1986-08-16
EP0148689A1 (en) 1985-07-17
FR2556754B1 (en) 1986-05-23
FR2556754A1 (en) 1985-06-21

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