EP0184525B1 - Crash barrier - Google Patents
Crash barrier Download PDFInfo
- Publication number
- EP0184525B1 EP0184525B1 EP85420202A EP85420202A EP0184525B1 EP 0184525 B1 EP0184525 B1 EP 0184525B1 EP 85420202 A EP85420202 A EP 85420202A EP 85420202 A EP85420202 A EP 85420202A EP 0184525 B1 EP0184525 B1 EP 0184525B1
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- European Patent Office
- Prior art keywords
- post
- rail
- rail element
- crash barrier
- barrier according
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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
- E01F15/02—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
- E01F15/0453—Rails of materials other than metal or concrete, e.g. wood, plastics; Rails of different materials, e.g. rubber-faced metal profiles, concrete-filled steel tubes
Definitions
- the present invention relates to a safety barrier intended more particularly to ensure the road safety of motor vehicles on difficult or secondary routes of mountainous sites and sensitive areas, and to prevent them from exiting the road.
- the wheel guard if it fits well on the site, is however very expensive, while the metal slide, of a more advantageous price, is more fragile because more easily damaged and is therefore expensive to maintain.
- the metal slide is, moreover, less aesthetic and does not integrate well with the landscape, in particular on the small mountain roads, and is of a cost price which is increased by approximately 30% when it is posed in curved section .
- US Patent No. 1,824,454 partially remedies the aforementioned drawbacks. It discloses a safety barrier formed by a horizontal rail made up of wooden heald elements and wooden posts each supporting two adjacent heald elements. Each heald element is provided, at each of its ends, with a metal frame allowing its connection to the adjacent end of a neighboring heald element.
- the metal frame is constituted by a metal plate fixed on the inner face of the heald elements by means of bolts. This brings an unsightly character to the slide.
- the purpose of the present invention is to provide a wooden slide ensuring good protection against exiting roads on winding routes and / or subject to snow and ice, which is, at the same time, more economical both purchase than maintenance, which fits well into the landscape, and which is robust.
- the safety barrier according to the invention is formed by a horizontal heald made up of wooden heald elements and by wooden posts each supporting two adjacent heald elements each heald element being provided with each of its ends of a metal frame allowing its connection to the adjacent end of a neighboring heald element in which each armature is formed by a metal plate which is pressed into an associated slot formed at each end of each heald element and which is fixed thereto by means of at least one bolt passing through the heald member in a direction perpendicular to that of this slot.
- the two heald members thus joined end to end can then be fixed on the post by their junction zone directly by a part of their junction plate pressed into a suitable housing formed at the upper end of the post, and fixed in it. this by means of at least one bolt passing through the post.
- a heald element can also be fixed by its end directly to the post by means of a bolt passing through both this heald element and the post, while the other adjacent heald element is made integral only with the post by the through the junction plate.
- FIG 1 shows a crash barrier (1) according to the invention laid along a winding road (2) such as a mountain road.
- This safety barrier (1) is formed by a horizontal rail (3), consisting of cylindrical wooden elements (4) placed end to end, and posts (5) also made of wood supporting the rail (3).
- the elements forming each stringer (3) are two to three meters long and are interconnected by a metal connecting plate (6) on which they are fixed.
- the diameter of each boom element (4) can vary from 200 to 250 mm depending on the importance of the risk to be guaranteed and is a function of the maximum speed that can be reached on the road equipped with such a safety barrier.
- Each element (smooth, post) of the slide is made of treated wood, such as pine, fir, spruce, larch.
- FIGS 2 to 5 show a first embodiment of the safety barrier (1) according to the invention.
- Each heald element (4) is provided at each of its ends with a slot (7) extending vertically and formed along its longitudinal axis (14) and is pierced with two holes (8) extending transversely to its longitudinal axis (14) and adapted to receive fixing bolts (9).
- the T-shaped metal plate (6) is introduced into the slots (7) of the adjacent ends of two heald elements (4) by each of its wings and is fixed there by means of bolts (9) passing through the holes (8) in each heald element and in holes (6a) in this metal plate.
- This T-shaped metal plate (6) is, moreover, pressed in by the lower part of this T at the upper end of a post (5), this post (5) being provided at this end with a slot (10) vertical able to receive a metal plate (6).
- This is, as previously, fixed to each post (5) by its lower end by means of a bolt (11) passed through a hole (6b) of this plate and a hole (13) of the post (5 ) and therefore crossing the post (5) and the plate (6) right through.
- the holes (8) and (13) formed respectively in each heald element (4) and each post (5) have the shape of a rectangular window extending horizontally for the holes (9) and vertically for the holes (8 ). These windows make it possible to adjust the heald elements (4) horizontally and vertically during their installation and therefore to obtain perfect alignment of these relative to one another.
- each heald element (4) is therefore connected both to the support posts (5) and to the adjacent heald elements.
- each heald element (4) is hollowed out at (17) over a length corresponding substantially to the radius of each post (5) to allow the support of each element (4) on the upper end of each post ( 5) associated.
- Each support post (5) is also provided at its upper end with a metal ring (12) preventing the wood from bursting when the post is planted.
- each heald element (4) is fixed to each support post (5) slightly in front of it so as to project from it about 5 to 10 cm, so in the event of a departure from the road, the impact of the vehicle occurs on the arm (3) itself and not on the posts (5), this offset being obtained by shifting the slot (10) forward relative to the longitudinal axis of the post (5).
- Each support post (5) can, moreover, be weakened in its lower part by means of notches (18), as shown in Figures 2 and 3, so that it breaks, to prevent a wheel from vehicle abuts on the support (5), in case the entire slide is lying down.
- Figure 4 shows the realization of a curve by means of the slide (1) according to the invention.
- slots (19) similar to the slots (7) are provided in each end of each heald member (4) but at an angle (a) relative to the longitudinal axis (14) of the smooth element and they therefore no longer extend coaxially therefrom.
- This angle (a) is a function of the radius of the curve to be produced.
- the ends of each heald element (4) are also cut at an angle, perpendicular to the axis of the slot (19), and therefore at the same angle (a) so that there is no interference between the two. adjacent ends of the heald elements (4).
- Figure 5 shows the embodiment of the end of a safety barrier according to the invention, the latter being buried in the ground for safety reasons.
- the connecting plate (15) always has substantially the shape of a T but one of the branches (15a) of which is slightly inclined.
- This branch (15a) is able to be introduced into the slot (7) of the end element or about (16) of the slide and serves to fix it at a determined angle relative to the rest of the heddle, this angle being a function of the height of the arm (4) relative to the ground and the length of the end piece (16).
- the end piece (16) is buried in the ground as shown in FIG. 1.
- each butt (16) is fixed only on the neighboring heald element (4) and this neighboring heald element (4) rests on the upper end of the post (5), and since the metal plate (15) has larger dimensions than a plate (6), it is fixed by means of four bolts (9) on this neighboring heald element (4).
- the end of the end piece (16) which is fixed to the plate (15) is furthermore cut at an angle as shown in FIG. 5.
- the heads of all the bolts (9,11) are embedded in countersinks (25) formed in each rail element (4) on the side of these located on the side of the road (see Figure 3).
- FIGs 6 to 9 show a second embodiment of the heddle according to the invention.
- each heald element (4) is fixed laterally on each support post (5) and not on it as in the previous embodiment.
- the heddle (3) is then separated from the support (5) by a spacer (20) so as to extend far beyond it.
- the spacer (20) will be dimensioned so that the generator, located on the side of the road, of the boom is about 30 cm from the support (5) so as to prevent it from being struck by the wheel of a vehicle in the event of an impact.
- the connection of the heald elements (4) is carried out in the same way as previously using a metal plate (21).
- This metal plate (21) has, in this case, not the shape of a T, but a rectangular shape since it only ensures the connection of the two adjacent heald elements (4). As before, it penetrates into vertical slots (22, 23) formed in the ends of the heald elements (4).
- the slot (22) of a heald element (4) is larger than that (23) of the adjacent heald element so that the plate (21) penetrates more deeply, (by about 28 cm), into this heald element, which will be fixed directly to the support (5) while it penetrates only 12 cm into the other heald element presenting the slot (23).
- Each plate (21) is fixed to each end of a heald element in the same way as previously, by means of bolts (9) and the heald element in which this plate (21) is inserted most deeply is itself fixed directly to the post (5) by means of a bolt (11) passing through both the heald element (4), the spacer (20) and the post (5).
- each metal connection plate (21) no longer crosses the support posts (5), it is sufficient to bend it at the desired angle to obtain the desired curvature and there is no need to achieve , as before, slots (19) different from those (22) or (23) and making an angle ⁇ determined with respect to the longitudinal axis of the heald element (4).
- Figure 9 shows the embodiment of the end of a safety barrier according to the second embodiment.
- This end is produced in substantially the same way as shown in FIG. 5 using a connection plate (26) having a slightly inclined part (26a) capable of being fixed to the end piece (16) by means of bolts (9) after having been introduced into a slot (7) formed at the end thereof.
- the connecting plate (26) is also fixed by means of bolts (9) on the end of the adjacent heald element (4) and this element (4) is itself fixed. on a post (5) by means of a bolt (11).
- connection plates reinforcing the end of each heald member the slide according to the invention is sufficiently resistant and is suitable for being used for retaining vehicles traveling on winding or difficult roads or tracks.
- the present invention is in particular not limited to safety rails with a single rail, but obviously also applies to safety rails with several horizontal rails.
- safety barrier formed of heald elements reinforced at their ends by metal plates and connected end to end by means of these metal plates.
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Architecture (AREA)
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- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
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Abstract
Description
La présente invention a pour objet une glissière de sécurité destinée plus particulièrement à assurer la sécurité routière de véhicules automobiles sur des voies difficiles ou secondaires de sites montagneux et de zones sensibles, et à leur éviter des sorties de route.The present invention relates to a safety barrier intended more particularly to ensure the road safety of motor vehicles on difficult or secondary routes of mountainous sites and sensitive areas, and to prevent them from exiting the road.
On Connaît déjà deux types de dispositifs prévus pour éviter les sorties de route des véhicules, à savoir le chasse roues en béton et la glissière de sécurité métallique.We already know two types of devices intended to avoid exits from the road of vehicles, namely the concrete wheel chaser and the metal safety barrier.
Le chasse-roues, s'il s'intègre bien au site, est cependant très coûteux, tandis que la glissière métallique, d'un prix plus avantageux, est plus fragile car plus facilement endommagée et est donc d'un entretien onéreux. La glissière métallique est, en outre, moins esthétique et s'intègre mal au paysage, notamment sur les petites routes de montagne, et est d'un prix de revient qui est majoré d'environ 30% lorsqu'elle est posée en section courbe.The wheel guard, if it fits well on the site, is however very expensive, while the metal slide, of a more advantageous price, is more fragile because more easily damaged and is therefore expensive to maintain. The metal slide is, moreover, less aesthetic and does not integrate well with the landscape, in particular on the small mountain roads, and is of a cost price which is increased by approximately 30% when it is posed in curved section .
Le brevet US N° 1 824 454 remédie en partie aux inconvénients précités. Il divulgue une glissière de sécurité formée par une lisse horizontale constituée par des éléments de lisses en bois et par des poteaux en bois soutenant chacun deux éléments de lisse adjacents. Chaque élément de lisse est muni, à chacune de ses extrémités, d'une armature métallique permettant son raccordement à l'extrémité adjacente d'un élément de lisse voisin.US Patent No. 1,824,454 partially remedies the aforementioned drawbacks. It discloses a safety barrier formed by a horizontal rail made up of wooden heald elements and wooden posts each supporting two adjacent heald elements. Each heald element is provided, at each of its ends, with a metal frame allowing its connection to the adjacent end of a neighboring heald element.
Dans cette glissière, l'armature métallique est constituée par une plaque métallique fixée sur la face intérieure des éléments de lisse au moyen de boulons. Cela apporte un caractère disgracieux à la glissière.In this slide, the metal frame is constituted by a metal plate fixed on the inner face of the heald elements by means of bolts. This brings an unsightly character to the slide.
En outre, une telle armature métallique augmente beaucoup le prix de revient sans que soit améliorée de façon notable la solidité de la glissière. Enfin, le métal très exposé aux intempéries doit être entretenu fréquemment.In addition, such a metal frame greatly increases the cost price without significantly improving the strength of the slide. Finally, metal that is very exposed to the weather must be maintained frequently.
Le but de la présente invention est de réaliser une glissière en bois assurant une bonne protection contre les sorties de route sur les itinéraires sinueux et/ou soumis à la neige et au verglas, qui soit, à la fois, plus économique tant à l'achat qu'à l'entretien, qui s'intègre bien au paysage, et qui soit robuste.The purpose of the present invention is to provide a wooden slide ensuring good protection against exiting roads on winding routes and / or subject to snow and ice, which is, at the same time, more economical both purchase than maintenance, which fits well into the landscape, and which is robust.
Ce but est atteint en ce que la glissière de sécurité selon l'invention est formée par une lisse horizontale constituée d'éléments de lisse en bois et par des poteaux en bois soutenant chacun deux éléments de lisse adjacents chaque élément de lisse étant muni à chacune de ses extrémités d'une armature métallique permettant son raccordement à l'extrémité adjacente d'un élément de lisse voisin dans laquelle chaque armature est formée par une plaque métallique qui est enfoncée dans une fente associée ménagée à chaque extrémité de chaque élément de lisse et qui y est fixée au moyen d'au moins un boulon traversant l'élément de lisse dans une direction perpendiculaire à celle de cette fente.This object is achieved in that the safety barrier according to the invention is formed by a horizontal heald made up of wooden heald elements and by wooden posts each supporting two adjacent heald elements each heald element being provided with each of its ends of a metal frame allowing its connection to the adjacent end of a neighboring heald element in which each armature is formed by a metal plate which is pressed into an associated slot formed at each end of each heald element and which is fixed thereto by means of at least one bolt passing through the heald member in a direction perpendicular to that of this slot.
Les deux éléments de lisses ainsi réunis bout à bout peuvent être alors fixés sur le poteau par leur zone de jonction directement par une partie de leur plaque de jonction enfoncée dans un logement approprié ménagé à l'extrémité supérieure du poteau, et fixée dans celui-ci au moyen d'au moins un boulon traversant le poteau.The two heald members thus joined end to end can then be fixed on the post by their junction zone directly by a part of their junction plate pressed into a suitable housing formed at the upper end of the post, and fixed in it. this by means of at least one bolt passing through the post.
Un élément de lisse peut également être fixé par son extrémité directement sur le poteau au moyen d'un boulon traversant à la fois cet élément de lisse et le poteau, tandis que l'autre élément de lisse adjacente est rendu solidaire seulement du poteau par l'intermédiaire de la plaque de jonction.A heald element can also be fixed by its end directly to the post by means of a bolt passing through both this heald element and the post, while the other adjacent heald element is made integral only with the post by the through the junction plate.
De toute façon, l'invention sera mieux comprise et d'autres caractéristiques seront mises en évidence à l'aide de la description qui suit en référence au dessin schématique annexé en représentant, à titre d'exemples non limitatifs, deux formes de réalisation préférées:
- - Figure 1 est une vue en perspective d'une glissière de sécurité selon l'invention posée le long d'une route sinueuse;
- - Figure 2 est une vue, en coupe longitudinale selon II-II de figure 3, d'une partie de glissière selon une première forme de réalisation;
- - Figure 3 est une vue en coupe selon III-III de figure 2;
- - Figure 4 est une vue en coupe selon IV-IV de figure 2;
- - Figure 5 est une vue en coupe longitudinale de l'extrémité de la glissière selon l'une quelconque des figures 2 à 4;
- - Figure 6 est une vue similaire à figure 2, en coupe longitudinale selon VI-VI de figure 8 de la glissière selon une seconde forme de réalisation;
- - Figure 7 est une vue en coupe selon VII-VII de figure 6;
- - Figure 8 est une vue en coupe selon VIII-VIII de figure 6;
- - Figure 9 est une vue en coupe longitudinale de l'extrémité de la glissière selon l'une quelconque des figures 6 à 8.
- - Figure 1 is a perspective view of a crash barrier according to the invention laid along a winding road;
- - Figure 2 is a view, in longitudinal section along II-II of Figure 3, of a slide portion according to a first embodiment;
- - Figure 3 is a sectional view along III-III of Figure 2;
- - Figure 4 is a sectional view along IV-IV of Figure 2;
- - Figure 5 is a longitudinal sectional view of the end of the slide according to any one of Figures 2 to 4;
- - Figure 6 is a view similar to Figure 2, in longitudinal section along VI-VI of Figure 8 of the slide according to a second embodiment;
- - Figure 7 is a sectional view along VII-VII of Figure 6;
- - Figure 8 is a sectional view along VIII-VIII of Figure 6;
- FIG. 9 is a view in longitudinal section of the end of the slide according to any one of FIGS. 6 to 8.
La figure 1 montre une glissière de sécurité (1 ) selon l'invention posée le long d'une route sinueuse (2) telle qu'une route de montagne. Cette glissière de sécurité (1 ) est formée d'une lisse horizontale (3), constituée d'éléments cylindriques en bois (4) posés bout à bout, et de poteaux (5) également en bois supportant la lisse (3). Les éléments formant chaque lisse (3) ont de deux à trois mètres de long et sont reliés entre eux par une plaque de liaison métallique (6) sur laquelle ils sont fixés. Le diamètre de chaque élément de lisse (4) peut varier de 200 à 250 mm selon l'importance du risque à garantir et est fonction de la vitesse maximale pouvant être atteinte sur la route équipée d'une telle glissière de sécurité. Chaque élément (lisse, poteau) de la glissière est en bois traité, tel que du pin, sapin, épicéa, mélèze.Figure 1 shows a crash barrier (1) according to the invention laid along a winding road (2) such as a mountain road. This safety barrier (1) is formed by a horizontal rail (3), consisting of cylindrical wooden elements (4) placed end to end, and posts (5) also made of wood supporting the rail (3). The elements forming each stringer (3) are two to three meters long and are interconnected by a metal connecting plate (6) on which they are fixed. The diameter of each boom element (4) can vary from 200 to 250 mm depending on the importance of the risk to be guaranteed and is a function of the maximum speed that can be reached on the road equipped with such a safety barrier. Each element (smooth, post) of the slide is made of treated wood, such as pine, fir, spruce, larch.
Les figures 2 à 5 montrent un premier exemple de réalisation de la barrière de sécurité (1 ) selon l'invention. Chaque élément de lisse (4) est muni à chacune de ses extrémités d'une fente (7) s'étendant verticalement et ménagée selon son axe longitudinal (14) et est percé de deux trous (8) s'étendant transversalement à son axe longitudinal (14) et aptes à recevoir des boulons de fixation (9). La plaque métallique (6), en forme de T, est introduite dans les fentes (7) des extrémités adjacentes de deux éléments de lisse (4) par chacune de ses ailes et y est fixé au moyen des boulons (9) passant dans les trous (8) de chaque élément de lisse et dans des trous (6a) de cette plaque métallique. Cette plaque métallique (6) en forme de T est, en outre, enfoncée par la partie inférieure de ce T à l'extrémité supérieure d'un poteau (5), ce poteau (5) étant muni à cette extrémité d'une fente (10) verticale apte à recevoir une plaque métallique (6). Celle-ci est, de même que précédemment, fixée sur chaque poteau (5) par son extrémité inférieure au moyen d'un boulon (11) passé dans un trou (6b) de cette plaque et un trou (13) du poteau (5) et traversant donc le poteau (5) et la plaque (6) de part en part. Les trous (8) et (13) ménagés respectivement dans chaque élément de lisse (4) et chaque poteau (5) ont la forme d'une fenêtre rectangulaire s'étendant horizontalement pour les trous (9) et verticalement pour les trous (8). Ces fenêtres permettent de régler horizontalement et verticalement les éléments de lisse (4) lors de leur pose et donc d'obtenir un alignement parfait de ceux-ci les uns par rapport aux autres.Figures 2 to 5 show a first embodiment of the safety barrier (1) according to the invention. Each heald element (4) is provided at each of its ends with a slot (7) extending vertically and formed along its longitudinal axis (14) and is pierced with two holes (8) extending transversely to its longitudinal axis (14) and adapted to receive fixing bolts (9). The T-shaped metal plate (6) is introduced into the slots (7) of the adjacent ends of two heald elements (4) by each of its wings and is fixed there by means of bolts (9) passing through the holes (8) in each heald element and in holes (6a) in this metal plate. This T-shaped metal plate (6) is, moreover, pressed in by the lower part of this T at the upper end of a post (5), this post (5) being provided at this end with a slot (10) vertical able to receive a metal plate (6). This is, as previously, fixed to each post (5) by its lower end by means of a bolt (11) passed through a hole (6b) of this plate and a hole (13) of the post (5 ) and therefore crossing the post (5) and the plate (6) right through. The holes (8) and (13) formed respectively in each heald element (4) and each post (5) have the shape of a rectangular window extending horizontally for the holes (9) and vertically for the holes (8 ). These windows make it possible to adjust the heald elements (4) horizontally and vertically during their installation and therefore to obtain perfect alignment of these relative to one another.
A l'aide des plaques métalliques (6), chaque élément de lisse (4) est donc lié à la fois aux poteaux-supports (5) et aux éléments de lisse adjacents.With the help of the metal plates (6), each heald element (4) is therefore connected both to the support posts (5) and to the adjacent heald elements.
L'extrémité de chaque élément de lisse (4) est évidée en (17) sur une longueur correspondant sensiblement au rayon de chaque poteau (5) pour permettre l'appui de chaque élément (4) sur l'extrémité supérieure de chaque poteau (5) associé.The end of each heald element (4) is hollowed out at (17) over a length corresponding substantially to the radius of each post (5) to allow the support of each element (4) on the upper end of each post ( 5) associated.
Chaque poteau support (5) est, en outre, muni à son extrémité supérieure d'une bague métallique (12) évitant l'éclatement du bois au moment de la mise en terre du poteau.Each support post (5) is also provided at its upper end with a metal ring (12) preventing the wood from bursting when the post is planted.
Ainsi que le montre la figure 3, chaque élément de lisse (4) est fixé sur chaque poteau support (5) légèrement en avant de celui-ci de façon à déborder par rapport à celui-ci d'environ 5 à 10 cm, afin qu'en cas de sortie de route le choc du véhicule se produise sur la lisse (3) elle-même et non sur les poteaux (5), ce décalage étant obtenu en décalant la fente (10) en avant par rapport à l'axe longitudinal du poteau (5).As shown in FIG. 3, each heald element (4) is fixed to each support post (5) slightly in front of it so as to project from it about 5 to 10 cm, so in the event of a departure from the road, the impact of the vehicle occurs on the arm (3) itself and not on the posts (5), this offset being obtained by shifting the slot (10) forward relative to the longitudinal axis of the post (5).
Chaque poteau support (5) peut, en outre, être fragilisé dans sa partie inférieure au moyen d'entailles (18), comme représenté sur les figures 2 et 3, afin que celui-ci se casse, pour éviter qu'une roue de véhicule bute sur le support (5), au cas où l'ensemble de la glissière se coucherait.Each support post (5) can, moreover, be weakened in its lower part by means of notches (18), as shown in Figures 2 and 3, so that it breaks, to prevent a wheel from vehicle abuts on the support (5), in case the entire slide is lying down.
La figure 4 montre la réalisation d'une courbe au moyen de la glissière (1 ) selon l'invention. Dans ce cas, des fentes (19) similaires aux fentes (7) sont ménagées dans chaque extrémité de chaque élément de lisse (4) mais en formant un certain angle (a) par rapport à l'axe longitudinal (14) de l'élément de lisse et elles ne s'étendent donc plus coaxialement de celui-ci. Cet angle (a) est fonction du rayon de la courbe devant être réalisée. Les extrémités de chaque élément de lisse (4) sont également coupées en biais, perpendiculairement à l'axe de la fente (19), et donc selon un même angle (a) afin qu'il n'y ait pas interférence entre des deux extrémités adjacentes des éléments de lisse (4).Figure 4 shows the realization of a curve by means of the slide (1) according to the invention. In this case, slots (19) similar to the slots (7) are provided in each end of each heald member (4) but at an angle (a) relative to the longitudinal axis (14) of the smooth element and they therefore no longer extend coaxially therefrom. This angle (a) is a function of the radius of the curve to be produced. The ends of each heald element (4) are also cut at an angle, perpendicular to the axis of the slot (19), and therefore at the same angle (a) so that there is no interference between the two. adjacent ends of the heald elements (4).
La figure 5 montre la réalisation de l'extrémité d'une glissière de sécurité selon l'invention, celle-ci étant enterrée dans le sol pour des raisons de sécurité. Dans ce cas, la plaque de liaison (15) a toujours sensiblement la forme d'un T mais dont l'une des branches (15a) est légèrement inclinée.Figure 5 shows the embodiment of the end of a safety barrier according to the invention, the latter being buried in the ground for safety reasons. In this case, the connecting plate (15) always has substantially the shape of a T but one of the branches (15a) of which is slightly inclined.
Cette branche (15a) est apte à être introduite dans la fente (7) de l'élément d'extrémité ou about (16) de la glissière et sert à le fixer à un angle déterminé par rapport au reste de la lisse, cet angle étant fonction de la hauteur de la lisse (4) par rapport au sol et de la longueur de l'about (16). Après sa liaison avec l'élément de lisse immédiatement voisin, par l'intermédiaire de la plaque (15), l'about (16) est enterré dans le sol comme montré à la figure 1. Dans ce cas, chaque about (16) est fixé uniquement sur l'élément de lisse (4) voisin et cet élément de lisse voisin (4) repose sur l'extrémité supérieure du poteau (5), et comme la plaque métallique (15) a des dimensions plus importantes qu'une plaque (6), elle est fixée au moyen de quatre boulons (9) sur cet élément de lisse (4) voisin. L'extrémité de l'about (16) qui est fixée sur la plaque (15) est, en outre, coupée en biais comme représenté à la figure 5.This branch (15a) is able to be introduced into the slot (7) of the end element or about (16) of the slide and serves to fix it at a determined angle relative to the rest of the heddle, this angle being a function of the height of the arm (4) relative to the ground and the length of the end piece (16). After its connection with the immediately adjacent heald element, via the plate (15), the end piece (16) is buried in the ground as shown in FIG. 1. In this case, each butt (16) is fixed only on the neighboring heald element (4) and this neighboring heald element (4) rests on the upper end of the post (5), and since the metal plate (15) has larger dimensions than a plate (6), it is fixed by means of four bolts (9) on this neighboring heald element (4). The end of the end piece (16) which is fixed to the plate (15) is furthermore cut at an angle as shown in FIG. 5.
Afin d'éliminer toute saillie sur la lisse de la glissière de sécurité selon l'invention, les têtes de tous les boulons (9,11 ) sont noyées dans des lamages (25) ménagés dans chaque élément de lisse (4) sur le côté de ceux-ci situé du côté de la route (Cf. Figure 3).In order to eliminate any protrusion on the rail of the safety barrier according to the invention, the heads of all the bolts (9,11) are embedded in countersinks (25) formed in each rail element (4) on the side of these located on the side of the road (see Figure 3).
Les figures 6 à 9 montrent une seconde forme de réalisation de la lisse selon l'invention. Dans ce cas, chaque élément de lisse (4) est fixé latéralement sur chaque poteau-support (5) et non pas dessus comme dans la forme de réalisation précédente. La lisse (3) est alors séparée du support (5) par un écarteur (20) de façon à déborder largement par rapport à celui-ci. De préférence, l'écarteur (20) sera dimensionné de telle sorte que la génératrice, située du côté de la route, de la lisse soit à environ 30 cm du support (5) de façon à éviter que celui-ci ne soit heurté par la roue d'un véhicule en cas de choc. La liaison des éléments de lisse (4) est effectuée de la même façon que précédemment à l'aide d'une plaque métallique (21). Cette plaque métallique (21 ) a, en l'occu- rence, non pas la forme d'un T, mais une forme rectangulaire puisqu'elle assure uniquement la liaison des deux éléments de lisse (4) adjacents. De même que précédemment, elle pénètre dans des fentes verticales (22, 23) ménagées dans les extrémités des éléments de lisse (4). La fente (22) d'un élément de lisse (4) est plus grande que celle (23) de l'élément de lisse adjacent de sorte que la plaque (21 ) pénètre plus profondément, (d'environ 28 cm), dans cet élément de lisse, qui sera fixé directement au support (5) tandis qu'elle ne pénètre que de 12 cm dans l'autre élément de lisse présentant la fente (23). Chaque plaque (21 ) est fixée à chaque extrémité d'un élément de lisse de la même façon que précédemment, au moyen de boulons (9) et l'élément de lisse dans lequel cette plaque (21 ) s'enfonce le plus profondément est lui-même fixé directement au poteau (5) au moyen d'un boulon (11 ) traversant à la fois l'élément de lisse (4), l'écarteur (20) et le poteau (5).Figures 6 to 9 show a second embodiment of the heddle according to the invention. In this case, each heald element (4) is fixed laterally on each support post (5) and not on it as in the previous embodiment. The heddle (3) is then separated from the support (5) by a spacer (20) so as to extend far beyond it. Preferably, the spacer (20) will be dimensioned so that the generator, located on the side of the road, of the boom is about 30 cm from the support (5) so as to prevent it from being struck by the wheel of a vehicle in the event of an impact. The connection of the heald elements (4) is carried out in the same way as previously using a metal plate (21). This metal plate (21) has, in this case, not the shape of a T, but a rectangular shape since it only ensures the connection of the two adjacent heald elements (4). As before, it penetrates into vertical slots (22, 23) formed in the ends of the heald elements (4). The slot (22) of a heald element (4) is larger than that (23) of the adjacent heald element so that the plate (21) penetrates more deeply, (by about 28 cm), into this heald element, which will be fixed directly to the support (5) while it penetrates only 12 cm into the other heald element presenting the slot (23). Each plate (21) is fixed to each end of a heald element in the same way as previously, by means of bolts (9) and the heald element in which this plate (21) is inserted most deeply is itself fixed directly to the post (5) by means of a bolt (11) passing through both the heald element (4), the spacer (20) and the post (5).
Comme la plaque (21) ne pénètre pas dans le poteau (5) et que celui-ci ne présente donc pas de fente à son extrémité supérieure pour la loger, il n'est pas nécessaire de prévoir sur celui-ci une bague métallique de renfort (12), comme dans l'exemple précédent.As the plate (21) does not enter the post (5) and that the latter therefore does not have a slot at its upper end to accommodate it, it is not necessary to provide a metal ring thereon. reinforcement (12), as in the previous example.
De même que précédemment, il est également possible de fragiliser le poteau (5) au moyen d'entailles afin que celui-ci cède en cas de choc d'un véhicule. De même que précédemment, des fenêtres rectangulaires (8, 13) s'étendant respectivement dans une direction horizontale et verticale sont ménagées respectivement dans chaque lisse et poteau pour permettre le réglage en hauteur et latéral de la lisse par rapport à chaque poteau (5) et les lamages (25) sont réalisés sur chaque élément de lisse (4) pour noyer les têtes des boulons (9, 11).As before, it is also possible to weaken the post (5) by means of notches so that it gives way in the event of a vehicle impact. As before, rectangular windows (8, 13) extending respectively in a horizontal and vertical direction are provided respectively in each beam and post to allow the height and lateral adjustment of the beam relative to each post (5) and the counterbores (25) are produced on each heald member (4) to drown the heads of the bolts (9, 11).
Ainsi que le montre la figure 8, la réalisation de courbes peut être réalisée plus facilement avec la lisse selon cette seconde forme d'exécution. En effet, puisque chaque plaque de liaison métallique (21 ) ne traverse plus les poteaux-supports (5), il suffit de recourber celle-ci selon l'angle désiré pour obtenir la courbure désirée et il n'y a pas lieu de réaliser, comme précédemment, des fentes (19) différentes de celles (22) ou (23) et faisant un angle a déterminé par rapport à l'axe longitudinal de l'élément de lisse (4).As shown in Figure 8, the realization of curves can be achieved more easily with the heddle according to this second embodiment. Indeed, since each metal connection plate (21) no longer crosses the support posts (5), it is sufficient to bend it at the desired angle to obtain the desired curvature and there is no need to achieve , as before, slots (19) different from those (22) or (23) and making an angle α determined with respect to the longitudinal axis of the heald element (4).
La figure 9 montre la réalisation de l'extrémité d'une glissière de sécurité selon la seconde forme de réalisation. Cette extrémité est réalisée sensiblement de la même façon que montré à la figure 5 à l'aide d'une plaque de liaison (26) présentant une partie légèrement inclinée (26a) apte à être fixée sur l'about (16) au moyen de boulons (9) après avoir été introduite dans une fente (7) ménagée à l'extrémité de celui-ci.Figure 9 shows the embodiment of the end of a safety barrier according to the second embodiment. This end is produced in substantially the same way as shown in FIG. 5 using a connection plate (26) having a slightly inclined part (26a) capable of being fixed to the end piece (16) by means of bolts (9) after having been introduced into a slot (7) formed at the end thereof.
De même que précédemment, la plaque de liaison (26) est, en outre, fixée au moyen de boulons (9) sur l'extrémité de l'élément de lisse (4) adjacent et cet élément (4) est lui-même fixé sur un poteau (5) au moyen d'un boulon (11).As before, the connecting plate (26) is also fixed by means of bolts (9) on the end of the adjacent heald element (4) and this element (4) is itself fixed. on a post (5) by means of a bolt (11).
Bien évidemment, toutes les fentes, trous et évidements des différents éléments de la glissière selon l'invention (poteaux, éléments de lisse, éléments d'écartement) peuvent être réalisés en usine en même temps que ces derniers.Obviously, all the slots, holes and recesses of the various elements of the slide according to the invention (posts, heald elements, spacing elements) can be produced in the factory at the same time as the latter.
Il est, en outre, à noter que, grâce à l'emploi de plaques de liaison renforçant l'extrémité de chaque élément de lisse, la glissière selon l'invention est suffisamment résistante et est apte à être employée pour retenir des véhicules circulant sur des routes ou des voies sinueuses ou difficiles.It should also be noted that, by virtue of the use of connection plates reinforcing the end of each heald member, the slide according to the invention is sufficiently resistant and is suitable for being used for retaining vehicles traveling on winding or difficult roads or tracks.
Comme il va de soi, la présente invention ne se limite pas aux seules formes d'exécution montrées ci-avant, à titre d'exemples non limitatifs, et en embrasse, au contraire, toutes les formes de réalisation mettant en oeuvre des moyens similaires ou équivalents.As it goes without saying, the present invention is not limited to the sole embodiments shown above, by way of nonlimiting examples, and embraces, on the contrary, all the embodiments employing similar means. or equivalent.
La présente invention n'est notamment pas limitée aux glissières de sécurité à une seule lisse, mais s'applique bien évidemment également aux glissières de sécurité à plusieurs lisses horizontales.The present invention is in particular not limited to safety rails with a single rail, but obviously also applies to safety rails with several horizontal rails.
C'est ainsi qu'elle s'applique notamment à toutes les formes de glissière de sécurité formées d'éléments de lisses armés à leurs extrémités par des plaques métalliques et reliés bout à bout au moyen de ces plaques métalliques.Thus it applies in particular to all forms of safety barrier formed of heald elements reinforced at their ends by metal plates and connected end to end by means of these metal plates.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT85420202T ATE43382T1 (en) | 1984-11-14 | 1985-11-13 | GUARD BARRIER. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8417688A FR2573105B1 (en) | 1984-11-14 | 1984-11-14 | CRASH BARRIER. |
| FR8417688 | 1984-11-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0184525A1 EP0184525A1 (en) | 1986-06-11 |
| EP0184525B1 true EP0184525B1 (en) | 1989-05-24 |
Family
ID=9309778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85420202A Expired EP0184525B1 (en) | 1984-11-14 | 1985-11-13 | Crash barrier |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0184525B1 (en) |
| AT (1) | ATE43382T1 (en) |
| DE (1) | DE3570472D1 (en) |
| FR (1) | FR2573105B1 (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2658214B2 (en) * | 1984-11-14 | 1992-05-22 | Eynard Emile | CRASH BARRIER. |
| FR2633319B2 (en) * | 1984-11-14 | 1992-01-10 | Eynard Emile | IMPROVED SECURITY SLIDE |
| DE3665493D1 (en) * | 1985-12-23 | 1989-10-12 | Gaillard Ets | Motorway crash barriers |
| FR2592074B1 (en) * | 1985-12-23 | 1988-06-24 | Gaillard Ets | DEVICE FOR CONSTRUCTING AND ASSEMBLING WOOD SECURITY SLIDES OR BARRIERS |
| AT400342B (en) * | 1987-07-20 | 1995-12-27 | Riegler August | GUIDE RAIL FOR SECURING TRAFFIC AREAS |
| FR2623829B1 (en) * | 1987-11-27 | 1991-09-13 | Gaillard Ets | ROAD SAFETY SLIDES IN ROUND WOOD AND CONSTRUCTION METHOD |
| US4838523A (en) * | 1988-07-25 | 1989-06-13 | Syro Steel Company | Energy absorbing guard rail terminal |
| EP0442830A1 (en) * | 1990-02-12 | 1991-08-21 | Compagnie Francaise Des Etablissements Gaillard | Crash barrier |
| FR2663968B1 (en) * | 1990-06-27 | 1994-01-28 | Daniel Duyck | MIXED ROAD SAFETY SLIDES METAL AND ROUND WOOD. |
| FR2681888B1 (en) * | 1991-09-30 | 1993-12-31 | Gaillard Sa Cie Fse Ets | ROAD SAFETY SLIDES COMPRISING AT LEAST ONE HORIZONTAL WOODEN RAIL. |
| FR2690176B1 (en) * | 1992-04-17 | 1994-07-08 | Jpg Ingenierie Sa | ROAD SAFETY SLIDE. |
| FR2690701B1 (en) * | 1992-04-30 | 1996-09-20 | Daniel Duyck | MIXED ROAD SAFETY SLIDES METAL AND ROUND WOODEN ARMS. |
| FR2690937B1 (en) * | 1992-05-07 | 1994-12-23 | Emc2 | Reinforced wooden frame safety barrier. |
| FR2703706B1 (en) * | 1993-04-07 | 1995-06-23 | Cihb | WOOD-METAL ROAD SAFETY SLIDE OR BARRIER. |
| FR2718473B1 (en) * | 1994-04-07 | 1996-07-19 | France Bois Impregnes Sa | Safety barrier for curbs on taxiways. |
| FR2765252B1 (en) * | 1997-06-27 | 1999-09-17 | Gaillard Rondino | WOODEN SAFETY SLIDES FIXED BY SPREADING ELEMENTS ON POSTS IMMOBILIZED IN THE GROUND |
| FR2793822B1 (en) | 1999-05-21 | 2001-06-22 | Gaillard Rondino | WOOD SECURITY SLIDE ON VARIABLE CENTER SUPPORTS |
| FR2815976B1 (en) * | 2000-10-30 | 2004-01-09 | Maussion Jacques De | MIXED SAFETY SLIDE METAL WOOD WITH INCREASED IMPACT RESISTANCE |
| DE202005013218U1 (en) * | 2005-08-19 | 2005-10-27 | SGGT Straßenausstattungen GmbH | Protective plank strand for roadway, has locking plate, metal plate, timber section and spacer with aligning bore holes, and centre section whose blade is connected by plate, and screw bolts connected with one another by holes |
| ES2279734B2 (en) * | 2007-01-19 | 2008-11-01 | Hierros Y Aplanaciones, S.A. (Hiasa) | SAFETY BARRIER FOR MIXED WOOD AND METAL ROADS FOR CONTAINING SIDE IMPACT OF VEHICLES, WITH AESTHETIC QUALITIES AND CAPACITY OF CONTAINMENT AND REDIRECTION. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1824454A (en) * | 1931-03-26 | 1931-09-22 | Southern Wood Preserving Co | Highway guard fence |
| US3989226A (en) * | 1975-09-08 | 1976-11-02 | Burgess Allen L | Post-mounted fence board support brackets |
| FR2526470A1 (en) * | 1982-05-06 | 1983-11-10 | Coeytaux Pierre | CLOSURE INTENDED IN PARTICULAR TO SURROUND SPORTS TERRAINS |
-
1984
- 1984-11-14 FR FR8417688A patent/FR2573105B1/en not_active Expired
-
1985
- 1985-11-13 DE DE8585420202T patent/DE3570472D1/en not_active Expired
- 1985-11-13 EP EP85420202A patent/EP0184525B1/en not_active Expired
- 1985-11-13 AT AT85420202T patent/ATE43382T1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2573105B1 (en) | 1987-04-24 |
| ATE43382T1 (en) | 1989-06-15 |
| FR2573105A1 (en) | 1986-05-16 |
| DE3570472D1 (en) | 1989-06-29 |
| EP0184525A1 (en) | 1986-06-11 |
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