FR2650010A1 - Fastening device for road safety guard fence (crash barrier) - Google Patents

Fastening device for road safety guard fence (crash barrier) Download PDF

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Publication number
FR2650010A1
FR2650010A1 FR8910034A FR8910034A FR2650010A1 FR 2650010 A1 FR2650010 A1 FR 2650010A1 FR 8910034 A FR8910034 A FR 8910034A FR 8910034 A FR8910034 A FR 8910034A FR 2650010 A1 FR2650010 A1 FR 2650010A1
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holes
fixing
barriers
vertical
allowing
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FR8910034A
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French (fr)
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FR2650010B1 (en
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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
    • E01F15/025—Combinations of at least two of the barrier member types covered by E01F15/04 - E01F15/08, e.g. rolled steel section or plastic strip backed up by cable, safety kerb topped by rail barrier
    • 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
    • E01F15/0423—Details of rails
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
    • E04H17/1447—Details of connections between rails and posts
    • E04H17/146—Details of connections between rails and posts the rails being attached to the front faces of the posts

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

Abstract

The invention relates to a fastening device for road crash barriers, which is of circular or annular cross section. This device consists of a metal plate 1 curved into a half-ellipse and pierced with holes 4 allowing passage for bolts 5 for fastening the rails, holes 4 bis allowing fastening of the device to a vertical support, holes 4 ter optionally allowing fastening of stiffeners 10 between each device. The device according to the invention is in particular intended for fastening rails onto vertical supports, thus constituting a road crash barrier.

Description

La présente invention concerne un dispositif de fixation de lisses a un support fiche dans le sol pour constituer une barrière ou glissière de sécurité se développant le long d'une route ou d'une propriété privée. The present invention relates to a device for attaching beams to a support plug in the ground to constitute a barrier or safety barrier developing along a road or private property.

Les barrleres ou glissières de sécurité de section sensiblement circulaire ou annulaire présentent un certain nombre de caractéristiques interessantes
- elles résistent à- un moment de torsion important, donc presentent toujours la meme face en cas de choc d'un véhicule sur leur génératrice exterieure. Ceci peut etre important si la face avant de la barriere ou glissière est traitée pour le glissement du vehicule, et pour que des boulons de fixation ne viennent pas au contact du véhicule, augmentant ainsi le danger.Safety bars or barriers of substantially circular or annular cross section have a certain number of interesting characteristics
- They resist a significant torsional moment, therefore always have the same face in the event of a vehicle impact on their external generator. This can be important if the front face of the barrier or slide is treated for the sliding of the vehicle, and so that fixing bolts do not come into contact with the vehicle, thus increasing the danger.

De meme, à quantité de matiere équivalente, elles présentent salement un moment de flexion important par rapport a d'autres sections usuelles, souvent ouvertes.Likewise, for an equivalent amount of material, they have a significant bending moment compared to other usual sections, which are often open.

Les principaux modes de réalisation des lisses peuvent etre - des lisses en bois plein de diamètre constant ; des tubes métalliques creux éventuellement ovalises ; des lisses en beton creuses ou pleines, armees ou précontraintes ; des lisses en matériaux plastiques. armés par des fibres (verre, carbone, etc); des surfaces fermées de section polygonale, etc
Il est nécessaire de fixer ces lisses à la hauteur convenable sur un support, généralement fixé ou fiche dans le sol.Il convient qu'au moment du choc, le boulon de fixation soumis à un cisaillement - ou à un effort de traction - permette la libération de la lisse de son support. des que l'angle d'inclinaison du support devient important, afin que la barrière ou glissiere ne se couche pas sur le sol ; le moment de torsion important est alors décisif, pour que la lisse ne s'incline pas avec le support.The main embodiments of the beams can be - beams of solid wood of constant diameter; hollow metal tubes possibly ovalized; hollow or solid beams, reinforced or prestressed; beams in plastic materials. reinforced by fibers (glass, carbon, etc.); closed surfaces of polygonal section, etc.
It is necessary to fix these beams at the appropriate height on a support, generally fixed or plug in the ground.It is necessary at the moment of impact, the fixing bolt subjected to shearing - or to a tensile force - allows the release of the arm from its support. as soon as the angle of inclination of the support becomes large, so that the barrier or slide does not lie on the ground; the important torsional moment is then decisive, so that the beam does not tilt with the support.

Plusieurs modes de fixation des lisses sur les poteaux existent et mettent en oeuvre : - des éclisses métalliques sur des génératrices de la lisse (brevet n0 85-19.226), ou insérées dans les lisses d'une part et reliant les deux lisses sur l'arrière d'autre part (Brevet nO 84-17.688) ; le premier de ces deux modes est inesthétique car la plaque avant est tres visible et le poids d'acier est important dans cette fixation ; de plus les boulons horizontaux créent des points faibles en traction dans la lisse au moment du choc ; ce dernier inconvenient est également présent dans le brevet nO 8-i7.588 qui en outre pose des problèmes au moment de la pose (il est difficile de reperer les trous de la plaque interne insérée entre les 2 lisses). Several methods of fixing the healds on the posts exist and implement: - metal fishplates on generators of the heald (patent n ° 85-19.226), or inserted in the heald on the one hand and connecting the two heald on the rear on the other hand (Patent no. 84-17.688); the first of these two modes is unsightly because the front plate is very visible and the weight of steel is important in this fixing; moreover the horizontal bolts create weak points in tension in the arm at the moment of impact; this last drawback is also present in patent No. 8-i7,588 which also poses problems at the time of installation (it is difficult to locate the holes in the internal plate inserted between the 2 beams).

On peut citer également le Brevet US nO 3127870, qui est un mode de jonction de tubes en section courante - et non au point de fixation sur poteaux vertical - ou le Brevet français n0 85-14.910 qui a le meme objectif. Ces deux dispositifs ne peuvent etre employés comme fixation sur support, car ils ne peuvent pratiquement pas résister à un effort provenant d'un choc sur la lisse, si un point dur comme un poteau vertical existe à l'arrière du point de jonction des deux lisses.  Mention may also be made of US Patent No. 3,127,870, which is a method of joining tubes in current section - and not at the point of attachment to vertical posts - or French Patent No. 85-14,910 which has the same objective. These two devices cannot be used as fixing on support, because they practically cannot resist a force coming from an impact on the rail, if a hard point like a vertical post exists behind the junction point of the two smooth.

Le dispositif selon l'invention permet de fixer une lisse en bois, métal, béton ou matériau plastique à un support vertical ; le dispositif peut etre placé soit en un point quelconque de la lisse, soit au point de jonction de deux lisses il consiste en une plaque métallique d'environ 10 a 60 cm de large, et dont la section a la forme soit d'un carré coupé en deux suivant un axe de symétrie passant par le milieu d'un côte, soit d'une ellipse coupée en deux suivant un axe de symetrie passant par le milieu des deux foyers, soit par un demi cercle, dont les ailes sont prolongees par deux segements droits, soit par une demi ellipse comme ci-dessus, dont la partie centrale est rendue plate sur quelques centimètres. The device according to the invention makes it possible to fix a rail made of wood, metal, concrete or plastic material to a vertical support; the device can be placed either at any point on the heddle, or at the junction point of two healds, it consists of a metal plate about 10 to 60 cm wide, and whose section has the shape of either a square cut in half along an axis of symmetry passing through the middle of a rib, either of an ellipse cut in half along an axis of symmetry passing through the middle of the two foci, or by a semicircle, the wings of which are extended by two straight segments, either by a half ellipse as above, the central part of which is made flat over a few centimeters.

Les ailes du dispositif sont percées à quelques centimetres du bord par des trous circulaires ou oblongs permettant le passage d'au moins un boulon ou axe de fixation - ces derniers sont donc places de preference pres du plan vertical, qui est le plan neutre vis-a-vis de la deformation de la lisse ; un pli a l'extremite permet de raidir eventuellement les ailes. The wings of the device are pierced a few centimeters from the edge by circular or oblong holes allowing the passage of at least one bolt or fixing pin - the latter are therefore preferably placed near the vertical plane, which is the neutral plane vis- with respect to the deformation of the heald; a fold at the end makes it possible to stiffen the wings.

- le meplat - ou le fond du dispositif est percé vers son centre d'un ou plusieurs trous circulaires ou oblongs permettant le passage du boulon de fixation du dispositif sur le poteau vertical de soutien (l'existence de plusieurs trous peut être en effet utile pour ajuster les différents éléments ensemble au moment de la pose, bien qu'un seul trou soit utilisé) ; le méplat reçoit en outre un trou pres de chaque bord, permettant la fixation de lames ou de cables d'acier afin de mieux solidariser les dispositifs. - the flat - or the bottom of the device is pierced towards its center with one or more circular or oblong holes allowing the passage of the fixing bolt of the device on the vertical support post (the existence of several holes can indeed be useful to adjust the different elements together at the time of installation, although only one hole is used); the flat also receives a hole near each edge, allowing the fixing of steel blades or cables to better secure the devices.

- La largeur des ailes sera telle que les trous permettant le passage des boulons de fixation seront par exemple dans le plan vertical axial longitudinal de la lisse : dans ce cas, les ailes dépasseront de 1 à 4 cm ce plan. Si des considérations d'esthétique ou techniques conduisent à réduire ces ailes, le plan vertical défini par les trous de fixation des boulons sera entre le plan vertical longitudinal axial de la lisse et la génératrice de la lisse située la plus proche du poteau de fixation, ou bien le plan passant par des trous de fixation pourra etre légèrement oblique, mais passant sensiblement dans l'axe longitudinal de la lisse ; (1fobliquité sera inférieure a 300)
Dans le dispositif, le nombre de boulons et leur dimension sont variables suivant la nature de la lisse, son matériau, et suivant si le dispositif s'appuie sur la partie courante de la lisse ou au point de réunion de deux lisses : dans ce cas, leur nombre sera plus important, de l'ordre du double du nombre de boulons nécessaires en section courante pour une lisse de même nature.- The width of the wings will be such that the holes allowing the passage of the fixing bolts will, for example, be in the longitudinal axial vertical plane of the boom: in this case, the wings will protrude by 1 to 4 cm from this plane. If aesthetic or technical considerations lead to the reduction of these wings, the vertical plane defined by the bolt fixing holes will be between the axial longitudinal vertical plane of the beam and the generator of the beam located closest to the fixing post, or else the plane passing through fixing holes may be slightly oblique, but passing substantially in the longitudinal axis of the heddle; (1 infoability will be less than 300)
In the device, the number of bolts and their dimensions are variable depending on the nature of the heald, its material, and depending on whether the device rests on the current part of the heald or at the meeting point of two heald: in this case , their number will be greater, of the order of twice the number of bolts required in the current section for a smooth of the same kind.

Par ailleurs, les boulons de fixation de la lisse et les trous correspondants pourront avoir leurs axes sécants plutôt que parallèles, de maniere à créer une force de précontrainte sur les extrémités des lisses, au serrage. Furthermore, the beam fixing bolts and the corresponding holes may have their intersecting axes rather than parallel, so as to create a prestressing force on the ends of the rails, when tightened.

La figure 1 représente en perspective une vue de la plaque métallique notée < 1) - on voit qu'elle est composée de parties courbes (2) et (2bis) de part et outre d'un méplat (3) - Les parties (2) et (2bis) sont percées de trous (4) permettant le passage de boulons ou d'axes (5). Ces boulons solidarisent la la plaque a la lisse. De même le méplat (3) reçoit un ou plusieurs trous (4bis) permettant le passage du boulon (8) et deux trous (4ter) permettant la fixation éventuelle de lamés ou de cables métalliques reliant les dispositifs, ces lames jouant le rôle d'armature extérieure à la lisse afin d'augmenter sa résistance à la traction. Figure 1 shows in perspective a view of the metal plate marked <1) - we see that it is composed of curved parts (2) and (2bis) on both sides and in addition to a flat (3) - The parts (2 ) and (2bis) are pierced with holes (4) allowing the passage of bolts or pins (5). These bolts secure the plate to the rail. Similarly the flat (3) receives one or more holes (4bis) allowing the passage of the bolt (8) and two holes (4ter) allowing the possible fixing of lamés or metallic cables connecting the devices, these blades playing the role of external reinforcement to the arm in order to increase its tensile strength.

La figure 2 représente une coupe AA de la plaque, ou sont egalement représentés le poteau (6) et la lisse (7), la coupe
AA étant faite sur l'axe du boulon (8) de fixation entre la plaque (1) et le poteau. (6) (la lisse a été choisie creuse, en acier par exemple).Figure 2 shows a section AA of the plate, or are also shown the post (6) and the rail (7), the section
AA being made on the axis of the bolt (8) fixing between the plate (1) and the post. (6) (the beam was chosen hollow, in steel for example).

Les figures 3, 4 et 5 représentent des dispositifs de section variée (1/2 carré, 1/2 ellipse, 1/2 cercle prolongé par deux segments droits)
La figure 6 représente un dispositif ou les ailes ne se développent pas jusqu'au plan vertical axial de la lisse - dans ce cas, les boulons (5) ne passent pas par le centre de la lisse.Figures 3, 4 and 5 show devices of various cross-section (1/2 square, 1/2 ellipse, 1/2 circle extended by two straight segments)
Figure 6 shows a device where the wings do not develop up to the vertical axial plane of the heald - in this case, the bolts (5) do not pass through the center of the heald.

La figure 7 représente le dispositif avec un plan contenant les boulons (5) inclinés sur la verticale - on note la présence d'un pli (9) à l'extrémité des ailes (2) et (2bis) : ce pli qui est parallele à l'axe longitudinal de la lisse joue un rôle de raidisseur des ailes (2) et (2bis) de la plaque (1) et permet egalement une meilleure solidarité entre le dispositif et la lisse, surtout si celle-ci est en bois - enfin, on peut noter que les trous (4) de forme oblongue, qui sont disposés généralement sur une ligne parallele à l'axe longitudinal de la lisse, devront être disposés de manière oblique sur cet axe pour les dispositifs servant en jonction de deux lisses formant un angle, par exemple pour mieux suivre une courbe de la route ; l'axe de chaque trou (4) devra suivre en vue de dessus un cercle, intersection de la partie sensiblement plane (2) du dispositif avec un cylindre vertical axé sur le point de contact des deux lisses ; ce point de contact sera donc sur la géneratrice côté route pour les lisses à l'extérieur du virage et sur la génératrice côté supports pour les lisses å l'intérieur du virage - la figure 8 illustre les percements (4) pour un dispositif utilisé dans le côté extérieur des virages importants. Figure 7 shows the device with a plane containing the bolts (5) inclined on the vertical - we note the presence of a fold (9) at the end of the wings (2) and (2bis): this fold which is parallel the longitudinal axis of the heald acts as a stiffener for the wings (2) and (2bis) of the plate (1) and also allows better solidarity between the device and the heald, especially if the latter is made of wood - finally, it can be noted that the oblong holes (4), which are generally arranged on a line parallel to the longitudinal axis of the heald, must be arranged obliquely on this axis for the devices serving as a junction of two healds forming an angle, for example to better follow a curve of the road; the axis of each hole (4) must follow a top view of a circle, intersection of the substantially planar part (2) of the device with a vertical cylinder centered on the point of contact of the two rails; this contact point will therefore be on the generator on the road side for the beams outside the bend and on the generator on the support side for the beams inside the bend - Figure 8 illustrates the holes (4) for a device used in the outside of major turns.

Enfin La figure 9 illustre la vue à partir de la chaussée par un plan vertical d'un dispositif présentant des trous (4) ayant leur axe incliné sur la verticale. Finally Figure 9 illustrates the view from the roadway through a vertical plane of a device having holes (4) having their axis inclined to the vertical.

Le dispositif selon l'invention est particulierement destiné à la fixation de lisses en matériaux divers sur des supports verticaux, en bordure de route ou de propriété privée, là ou il est necessaire que la barriere ou glissière résiste à des chocs éventuels.  The device according to the invention is particularly intended for fixing beams made of various materials on vertical supports, at the edge of the road or of private property, where it is necessary for the barrier or slide to withstand possible shocks.

Claims (1)

REVENDICATIONS 1&commat;) Dispositif de fixation de barrieres ou de glissieres de sécurité sur un support vertical caractérisé en ce qu'il comporte une plaque métallique (1) courbée en forme de demi carré, demi ellipse, demi cercle ou demi ellipse avec un méplat (3) dans la zone de fixation sur le support, cette plaque possedant des trous (4) circulaires ou de forme oblongue permettant le passage de boulons ou d'axes (5), ces derniers se-trouvant dans un plan sensiblement vertical, et quelle possede également des trous (4bis) pour le passage du boulon unique (8) de fixation de la plaque (1) sur le poteau (6);CLAIMS 1 &commat;) Device for fixing barriers or safety barriers on a vertical support characterized in that it comprises a metal plate (1) curved in the shape of a half square, half ellipse, half circle or half ellipse with a flat ( 3) in the fixing zone on the support, this plate having circular or oblong holes (4) allowing the passage of bolts or axes (5), the latter being in a substantially vertical plane, and what also has holes (4bis) for the passage of the single bolt (8) for fixing the plate (1) on the post (6); 20) Dispositif de fixation de barrieres ou de glissieres de sécurité sur un support vertical conforme a la revendication 1 -car actérisé en ce que les axes des trous (4) sont placés dans un plan passant par l'axe longitudinal de la lisse, ce plan étant oblique par rapport au plan vertical, avec une inclinaison inferieure à 30 degrés; 3Q) Dispositif de fixation de barrières ou de glissières conforme la revendication (1) caractérisé en ce que les trous (4) de formes oblongue ont leur axe le plus long situé, sur un cercle, intersection du dispositif avec un cylindre vertical dont l'axe passe au point de contact (9) des lisses, lorsque celles-ci dolvent être placées en angle dans un plan horizontal.  20) Device for fixing barriers or safety barriers on a vertical support according to claim 1 -car actuated in that the axes of the holes (4) are placed in a plane passing through the longitudinal axis of the heddle, this plane being oblique to the vertical plane, with an inclination less than 30 degrees; 3Q) Device for fixing barriers or rails according to claim (1) characterized in that the holes (4) of oblong shape have their longest axis located on a circle, intersection of the device with a vertical cylinder whose axis passes at the point of contact (9) of the beams, when the latter can be placed at an angle in a horizontal plane. 4 ) Dispositif de fixation de barrieres ou de glissières conforme à l'un quelconque des trois premieres revendications, caractérisé en ce que les ailes (2) et (2bis) de la plaque métallique (1) sont recourbées en leur extrémités en un petit pli (9) parallele à l'axe longitudinal de la lisse; 50) Dispositif de fixation de barrieres ou de glissieres conforme à l'une quelconque des 4 premieres revendications caractérisé en ce que le fond (3) de la plaque métallique comporte deux trous (4ter) pres des extrémités de la plaque, ces trous permettant la fixation éventuelle de lames métalliques reliant les dispositifs entre eux. 4) Device for fixing barriers or slides according to any one of the first three claims, characterized in that the wings (2) and (2bis) of the metal plate (1) are curved at their ends in a small fold (9) parallel to the longitudinal axis of the heddle; 50) Device for fixing barriers or slides according to any one of the first 4 claims, characterized in that the bottom (3) of the metal plate has two holes (4ter) near the ends of the plate, these holes allowing the possible fixing of metal blades connecting the devices together. 6 ) Dispositif de fixation de barrières ou de glissieres conforme à la revendication 5 caractérisé en ce qu'une lame ou un cable métallique (10) fixé aux trous (4ter) relie les dispositifs entre eux. 6) Device for fixing barriers or slides according to claim 5 characterized in that a blade or a metal cable (10) fixed to the holes (4ter) connects the devices together. 7 ) Dispositif de fixation de barrieres ou de glissieres conforme à l'une des revendications précédentes, caractérisé en ce que les trous (4) permettant le passage des boulons (5) ont leur axe entre le trou supérieur et le trou inférieur qui lui correspond, légèrement incliné sur la verticale, tout en restant dans un plan vertical passant par l'axe longitudinal de la lisse, cette inclinaison étant d'un côté pour 2 trous correspondants et du côté opposé pour deux autres trous correspondants, les axes des boulons (5) devenant alors secants.  7) Device for fixing barriers or slides according to one of the preceding claims, characterized in that the holes (4) allowing the passage of the bolts (5) have their axis between the upper hole and the lower hole which corresponds to it , slightly inclined on the vertical, while remaining in a vertical plane passing through the longitudinal axis of the arm, this inclination being on one side for 2 corresponding holes and on the opposite side for two other corresponding holes, the axes of the bolts ( 5) then becoming secants.
FR8910034A 1989-07-24 1989-07-24 FIXING DEVICE FOR ROAD SAFETY BARRIER Expired - Lifetime FR2650010B1 (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678007A1 (en) * 1991-06-21 1992-12-24 Routier Equip Sa Device for fastening, on a post, a rail intended to equip a civil engineering construction for a road traffic lane
EP0570300A1 (en) * 1992-05-15 1993-11-18 SCIERIE PIVETEAU société anonyme dite Guardrail
FR2694028A1 (en) * 1992-07-27 1994-01-28 Pomero Claude Road safety barrier assembly - comprises wooden rail made of half log with flat part vertical and reinforced by steel plate
FR2900941A1 (en) * 2006-05-12 2007-11-16 Claude Alix Georges Pomero Road crash barrier for preventing motorist from losing control, has wooden rails joined by C shaped spacer block connecting log to reinforcement through vertical bolts, and vertical support maintaining log at specific height
FR2903432A1 (en) * 2006-07-10 2008-01-11 Claude Alix Georges Pomero Guard rail for e.g. highway, has spacers for connecting billets to steel reinforcements provided with orifice, rock bolts for fixing billets to spacers, and perforations formed in billets for passing rock bolts
CN101831881A (en) * 2010-04-22 2010-09-15 朱鹏超 Elastic obstruction block of highway barrier
CN102191755A (en) * 2011-04-15 2011-09-21 蔡文学 Guardrail device for highway
CN106049315A (en) * 2016-07-31 2016-10-26 苏州高精特专信息科技有限公司 Safety road pile with hook
US9611601B1 (en) * 2015-12-17 2017-04-04 Lindsay Transportation Solutions, Inc. Crash absorbing guardrail panel assembly
US9611599B1 (en) * 2015-12-03 2017-04-04 Lindsay Transportation Solutions, Inc. Guardrail crash absorbing assembly

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Cited By (13)

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Publication number Priority date Publication date Assignee Title
FR2678007A1 (en) * 1991-06-21 1992-12-24 Routier Equip Sa Device for fastening, on a post, a rail intended to equip a civil engineering construction for a road traffic lane
EP0570300A1 (en) * 1992-05-15 1993-11-18 SCIERIE PIVETEAU société anonyme dite Guardrail
FR2691183A1 (en) * 1992-05-15 1993-11-19 Scierie Piveteau Road safety barrier.
FR2694028A1 (en) * 1992-07-27 1994-01-28 Pomero Claude Road safety barrier assembly - comprises wooden rail made of half log with flat part vertical and reinforced by steel plate
FR2900941A1 (en) * 2006-05-12 2007-11-16 Claude Alix Georges Pomero Road crash barrier for preventing motorist from losing control, has wooden rails joined by C shaped spacer block connecting log to reinforcement through vertical bolts, and vertical support maintaining log at specific height
FR2903432A1 (en) * 2006-07-10 2008-01-11 Claude Alix Georges Pomero Guard rail for e.g. highway, has spacers for connecting billets to steel reinforcements provided with orifice, rock bolts for fixing billets to spacers, and perforations formed in billets for passing rock bolts
CN101831881A (en) * 2010-04-22 2010-09-15 朱鹏超 Elastic obstruction block of highway barrier
CN102191755A (en) * 2011-04-15 2011-09-21 蔡文学 Guardrail device for highway
CN102191755B (en) * 2011-04-15 2012-12-19 蔡文学 Guardrail device for highway
US9611599B1 (en) * 2015-12-03 2017-04-04 Lindsay Transportation Solutions, Inc. Guardrail crash absorbing assembly
US9611601B1 (en) * 2015-12-17 2017-04-04 Lindsay Transportation Solutions, Inc. Crash absorbing guardrail panel assembly
CN106049315A (en) * 2016-07-31 2016-10-26 苏州高精特专信息科技有限公司 Safety road pile with hook
CN106049315B (en) * 2016-07-31 2018-08-14 林宝文 A kind of safe road stake with grab

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