EP2072684A2 - Device for fixing a post to a concrete socle - Google Patents
Device for fixing a post to a concrete socle Download PDFInfo
- Publication number
- EP2072684A2 EP2072684A2 EP08291153A EP08291153A EP2072684A2 EP 2072684 A2 EP2072684 A2 EP 2072684A2 EP 08291153 A EP08291153 A EP 08291153A EP 08291153 A EP08291153 A EP 08291153A EP 2072684 A2 EP2072684 A2 EP 2072684A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- post
- edge
- orifice
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2253—Mounting poles or posts to the holder
- E04H12/2261—Mounting poles or posts to the holder on a flat base
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/631—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/673—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like
- E01F9/681—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like the sign posts being fastened by removable means, e.g. screws or bolts
Definitions
- vertical signage has a one-piece post anchored in the ground, which poses a potential hazard to road users.
- a standard (EN 12767) describes a method to determine to what extent the consequences of a frontal impact of a vehicle with a road sign support can be reduced.
- the field concerned by the invention is that of the devices in which, between the ground and the signaling panel, there is a rupture zone which allows the obstacle to be, at least partially, ejected in order to minimize the consequences of a collision between the vehicle and a totally fixed structure in terms of, for example, the severity of the deceleration.
- the rupture zone is located at the point of attachment of the pole to a foundation structure so that the upper part can come off in shock and become an absence of obstacle for the vehicle.
- the invention proposes to satisfy the requirements of the standard with simple means that allow the easy repair of the damaged panel.
- the invention therefore relates to a device for fixing a pole on a concrete block, characterized in that it comprises a set of studs sealed in the solid, a fixed horizontal stop traversed without clearance by each stud, a set of nuts to cooperate with the studs to the fixing of the post on the horizontal abutment and a plate, secured to the base of the post, provided with notches for passing the studs, of a width substantially equal to the diameter of each stud , oriented substantially in the same direction (to about twenty degrees) and open on one edge of the plate.
- the fixed base of the post is thus clamped on the abutment under sufficient force to withstand normal stresses such as, for example, those of the wind generated by vehicles traveling on the roadway along which the post is implanted.
- the connection remains slippery to allow the base of the post to move relative to the studs so that the nuts out of the notch.
- the post can rock.
- the post can then lie down or be removed from the vehicle by the speed of the latter.
- the connection of the base and the post can be made in a known manner by half collar collars.
- the aforesaid edge is, for at least one notch, the edge of a closed orifice, of diameter greater than the width of said notch and the largest transverse dimension of the nut. corresponding so that the nut can pass inside this hole after a sliding of the base on the fixed stop in the aforesaid direction.
- this closed orifice it will be advantageous for this closed orifice to be equipped with a sleeve of plastically deformable material which constitutes a buffer between the stud and the plate during their relative displacement.
- the notched edge is the peripheral edge of the plate.
- the plate has a large central notch at the bottom of which opens one of the aforementioned notches.
- the drawings show a pole 1 implanted in the center of a base plate (plate) 2 by means not shown that can be reduced to a simple weld.
- the post is intended to be held in place, for example on the edge of a road by means of a concrete block 3 in which are sealed rods or anchor pins 4 protruding from the upper surface of the massif to cross a sliding plate 5, for example metal, in circular orifices 5a as illustrated in FIG. figure 3 .
- the studs are four in number and the plate 2 and the plate 5 are square.
- the portion of the studs protruding above the sliding plate 5 passes through the plate 2 through orifices 6 which have a keyhole shape, that is to say with a notch 6a opening into an enlarged part closed 6b of the orifice 6.
- the notch 6a has a direction D which is substantially the same for all the orifices 6 and which is substantially parallel to the flow direction A (to about twenty degrees, both for the uniformity of the direction D only for the inclination of this direction D on the direction A of circulation) of the road passing near the pole which carries a sign.
- This direction D passes through the center of the closed portion 6b of the orifice 6.
- Fixing the plate is provided by nuts 7 which rest on the plate by means of a washer 8.
- the diameter of this washer is greater than the width of the notch 6a of the orifice 6 and is less than diameter of the part 6b of the latter.
- These nuts could be flange nuts, without washer.
- the degree of tightening of the assembly determines the frictional force between the plate 2 and the plate 5, to be overcome horizontally to obtain their relative sliding.
- the figure 5 illustrates a second embodiment of the invention in which the notches 6a are provided emerging on the peripheral edge 20 of the plate 2.
- the plate can then completely escape studs under the effect of a shock substantially parallel to the direction of traffic on the adjacent roadway (within 25 to 30 degrees).
- the edge 20 will have a special contour for this purpose so that the bottom of the four notches whose outlet is completely free of any obstacle corresponds to the location of the mounting studs emerging from the concrete block.
- the plate 2 has a central notch 21 important so that the rear notch 6al (with respect to the direction A of circulation) which is furthest from the floor opens out in view of an absence of material .
- the longitudinal direction D of the notches 6a before is parallel to the direction of movement A while the two rear notches are inclined D 'in this direction by an angle B which is in the figure of 25 degrees.
- a shock on the post is statistically in a direction between 10 to 20 degrees of inclination on the direction A of traffic. In this shock, the plate escapes without encountering obstacles to the mounting studs and the post can either lie under the vehicle or be ejected.
- the studs 22 are used for fixing half collars which enclose the base of the pole above the plate 2
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Description
De manière courante, la signalisation verticale comporte un poteau en une seule pièce ancré dans le sol, ce qui représente un danger potentiel pour les usagers de la route.Commonly, vertical signage has a one-piece post anchored in the ground, which poses a potential hazard to road users.
La sécurité passive est une préoccupation des pouvoirs publics en ce qui concerne le trafic et la sécurité routière.Passive safety is a concern of the public authorities with regard to traffic and road safety.
Une norme (EN 12767) décrit une méthode permettent de déterminer dans quelle mesure les conséquences d'un impact frontal d'un véhicule avec un support de signalisation routière peuvent être diminuées.A standard (EN 12767) describes a method to determine to what extent the consequences of a frontal impact of a vehicle with a road sign support can be reduced.
Il est distingué entre les dispositifs qui sont à forte absorption d'énergie c'est-à-dire réalisés en un matériau fortement déformable lors de l'impact et ceux à faible absorption d'énergie, c'est-à-dire se rompant lors de l'impact. Le domaine concerné par l'invention est celui des dispositifs dans lesquels, entre le sol et le panneau de signalisation, il existe une zone de rupture qui permet à l'obstacle d'être, au moins partiellement, éjecté afin de minimiser les conséquences d'un choc entre le véhicule et une structure totalement fixe en termes par exemple de sévérité de la décélération.It is distinguished between devices that are high energy absorption that is to say made of a highly deformable material during impact and those with low energy absorption, that is to say breaking during the impact. The field concerned by the invention is that of the devices in which, between the ground and the signaling panel, there is a rupture zone which allows the obstacle to be, at least partially, ejected in order to minimize the consequences of a collision between the vehicle and a totally fixed structure in terms of, for example, the severity of the deceleration.
D'une manière générale, la zone de rupture est située à l'endroit de la fixation du poteau à une structure de fondation de sorte que la partie supérieure puisse se détacher sous le choc et devienne une absence d'obstacle pour le véhicule.In general, the rupture zone is located at the point of attachment of the pole to a foundation structure so that the upper part can come off in shock and become an absence of obstacle for the vehicle.
Ce type de dispositifs est illustré par exemple par les documents suivants :
-
US 6,868,641 -
FR 2 704 011
-
US 6,868,641 -
FR 2 704 011
L'invention propose de satisfaire aux conditions de la norme avec des moyens simples qui permettent la réparation aisée du panneau accidenté.The invention proposes to satisfy the requirements of the standard with simple means that allow the easy repair of the damaged panel.
A cet effet, l'invention a donc pour objet un dispositif de fixation d'un poteau sur un massif en béton, caractérisé en ce qu'il comporte un jeu de goujons scellés dans le massif, une butée horizontale fixe traversée sans jeu par chaque goujon, un jeu d'écrous pour coopérer avec les goujons à la fixation du poteau sur la butée horizontale et une platine, solidaire de la base du poteau, pourvue d'encoches de passage des goujons, de largeur sensiblement égale au diamètre de chaque goujon, orientées selon sensiblement une même direction (à une vingtaine de degrés près) et ouvertes sur un bord de la platine.For this purpose, the invention therefore relates to a device for fixing a pole on a concrete block, characterized in that it comprises a set of studs sealed in the solid, a fixed horizontal stop traversed without clearance by each stud, a set of nuts to cooperate with the studs to the fixing of the post on the horizontal abutment and a plate, secured to the base of the post, provided with notches for passing the studs, of a width substantially equal to the diameter of each stud , oriented substantially in the same direction (to about twenty degrees) and open on one edge of the plate.
L'embase solidaire du poteau est ainsi serrée sur la butée sous un effort suffisant pour résister à des sollicitations normales telles, par exemple, que celles du vent engendré par les véhicules qui circulent sur la chaussée le long de laquelle le poteau est implanté. En revanche, lors d'un choc avec un véhicule, la liaison reste glissante pour permettre à l'embase du poteau de se déplacer par rapport aux goujons de sorte que les écrous sortent de l'encoche. A ce moment, le poteau peut basculer. Le poteau peut alors se coucher ou être écarté du véhicule par la vitesse de ce dernier. La liaison de l'embase et du poteau peut être réalisée de manière connue par demi colliers à collerette.The fixed base of the post is thus clamped on the abutment under sufficient force to withstand normal stresses such as, for example, those of the wind generated by vehicles traveling on the roadway along which the post is implanted. On the other hand, during a collision with a vehicle, the connection remains slippery to allow the base of the post to move relative to the studs so that the nuts out of the notch. At this moment, the post can rock. The post can then lie down or be removed from the vehicle by the speed of the latter. The connection of the base and the post can be made in a known manner by half collar collars.
Dans un premier mode de réalisation de l'invention, le bord susdit est, pour au moins une encoche, le bord d'un orifice fermé, de diamètre supérieur à la largeur de ladite encoche et à la plus grande dimension transversale de l'écrou correspondant de manière que cet écrou puisse passer à l'intérieur de cet orifice après un glissement de l'embase sur la butée fixe dans la direction susdite.In a first embodiment of the invention, the aforesaid edge is, for at least one notch, the edge of a closed orifice, of diameter greater than the width of said notch and the largest transverse dimension of the nut. corresponding so that the nut can pass inside this hole after a sliding of the base on the fixed stop in the aforesaid direction.
Dans ce mode de réalisation de l'invention, il sera avantageux que cet orifice fermé soit équipé d'une douille en matériau plastiquement déformable qui constitue un amortisseur entre le goujon et la platine pendant leur déplacement relatif.In this embodiment of the invention, it will be advantageous for this closed orifice to be equipped with a sleeve of plastically deformable material which constitutes a buffer between the stud and the plate during their relative displacement.
Dans un deuxième mode de réalisation, le bord encoché est le bord périphérique de la platine. A cet effet, la platine comporte une échancrure centrale importante au fond de laquelle débouche l'une des encoches susdites.In a second embodiment, the notched edge is the peripheral edge of the plate. For this purpose, the plate has a large central notch at the bottom of which opens one of the aforementioned notches.
D'autres caractéristiques et avantages de l'invention ressortiront de la description d'un exemple de sa réalisation qui sera donné ci-après à titre d'exemple purement indicatif et non limitatif.Other features and advantages of the invention will emerge from the description of an example of its implementation which will be given hereinafter by way of purely illustrative and non-limiting example.
Il sera fait référence aux dessins annexés parmi lesquels :
- la
figure 1 est une vue de dessus d'un dispositif conforme à l'invention sans la présence des goujons et des écrous, - la
figure 2 illustre une vue de détail de lafigure 1 avec goujon et écrou, - la
figure 3 est une vue en coupe d'une variante de réalisation, - la
figure 4 est une vue en coupe de cette variante après un choc. - la
figure 5 illustre un deuxième mode de réalisation de la platine mise en oeuvre dans le dispositif de l'invention.
- the
figure 1 is a top view of a device according to the invention without the presence of studs and nuts, - the
figure 2 illustrates a detailed view of thefigure 1 with stud and nut, - the
figure 3 is a sectional view of an alternative embodiment, - the
figure 4 is a sectional view of this variant after a shock. - the
figure 5 illustrates a second embodiment of the plate implemented in the device of the invention.
Aux figures, les dessins représentent un poteau 1 implanté au centre d'une plaque de base (platine) 2 par des moyens non représentés pouvant se réduire à une simple soudure. Le poteau est destiné à être maintenu en place, par exemple sur le bord d'une route au moyen d'un massif en béton 3 dans lequel sont scellés des tiges ou goujons d'ancrage 4 dépassant de la surface supérieure du massif pour traverser une plaque de glissement 5, par exemple métallique, dans des orifices circulaires 5a comme illustré à la
Aux figures, les goujons sont au nombre de quatre et la platine 2 et la plaque 5 sont carrées. La partie des goujons qui fait saillie au dessus de la plaque de glissement 5 traverse la platine 2 au travers d'orifices 6 qui ont une forme de trou de serrure, c'est-à-dire avec une encoche 6a débouchant dans une partie élargie fermée 6b de l'orifice 6. L'encoche 6a possède une direction D qui est sensiblement la même pour tous les orifices 6 et qui est sensiblement parallèle au sens de circulation A (à une vingtaine de degrés près, tant pour l'uniformité de la direction D que pour l'inclinaison de cette direction D sur le sens A de circulation) de la chaussée passant à proximité du poteau qui porte un panneau de signalisation. Cette direction D passe par le centre de la partie fermée 6b de l'orifice 6.In the figures, the studs are four in number and the
La fixation de la platine est assurée par des écrous 7 qui reposent sur la platine par l'intermédiaire d'une rondelle 8. Le diamètre de cette rondelle est supérieur à la largeur de l'encoche 6a de l'orifice 6 et est inférieur au diamètre de la partie 6b de ce dernier. Ces écrous pourraient être des écrous à embase, sans rondelle. Sans sortir du cadre de l'invention, on peut prévoir, aux lieu et place des goujons et écrous, des vis dont l'extrémité filetée serait vissée dans un insert métallique scellé, comme le goujon, dans le massif de béton, la tête d'une telle vis jouant le rôle de l'écrou.Fixing the plate is provided by
Le degré de serrage de l'assemblage détermine l'effort de friction entre la platine 2 et la plaque 5, à vaincre horizontalement pour obtenir leur glissement relatif.The degree of tightening of the assembly determines the frictional force between the
Lorsqu'un impact sur le poteau se produit, il est dirigé dans la direction D qui est parallèle au sens de circulation ou inclinée sur celui-ci d'une valeur connue de l'ordre de 20 à 30 degrés. Son effet est de déloger les goujons de l'encoche 6a des orifices 6 de sorte que l'écrou et la rondelle se trouvent à l'aplomb de la partie 6b large de chaque orifice. Il est alors possible pour la platine 2 du poteau, de décoller du massif de béton et, selon l'état réel de la liaison existant encore entre le massif de béton et la platine, pour le poteau soit de se coucher sous le véhicule, soit d'être éjecté par ce dernier. On élimine ainsi le danger de l'encastrement du poteau dans le véhicule pouvant venir écraser ou meurtrir les occupants.When an impact on the pole occurs, it is directed in the direction D which is parallel to the direction of travel or inclined thereon with a known value of the order of 20 to 30 degrees. Its effect is to dislodge the studs of the
On remarquera aux
A la
La
Les plots 22 servent à la fixation de demi colliers qui enserrent la base du poteau au-dessus de la platine 2The
Claims (7)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0708818A FR2925078B1 (en) | 2007-12-18 | 2007-12-18 | DEVICE FOR FIXING A POLE ON A CONCRETE MASSIVE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2072684A2 true EP2072684A2 (en) | 2009-06-24 |
EP2072684A3 EP2072684A3 (en) | 2009-07-08 |
Family
ID=39595921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08291153A Withdrawn EP2072684A3 (en) | 2007-12-18 | 2008-12-08 | Device for fixing a post to a concrete socle |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2072684A3 (en) |
FR (2) | FR2925078B1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2704011A1 (en) | 1993-04-15 | 1994-10-21 | Millet Kennedy Andre | Safety block for road signalling |
US6868641B2 (en) | 2002-05-01 | 2005-03-22 | Michael D. Conner | Breakaway post base |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3645057A (en) * | 1970-10-13 | 1972-02-29 | Seymour M Kaplan | Base for mounting a traffic light pole in rotatable and vertically adjustable relation |
SE8101798L (en) * | 1981-03-20 | 1982-09-21 | A Betong Ab | POSTS OF CONCRETE AND WAY TO MAKE THE SUIT |
DE8610402U1 (en) * | 1986-04-16 | 1986-06-12 | Urlberger, Hermann Hans, 8750 Aschaffenburg | Connection of two plates, plate-shaped structures or the like. |
SE470385B (en) * | 1992-06-22 | 1994-02-07 | Reinklou Innovation Ab | Device for anchoring the post |
DE10008596A1 (en) * | 2000-02-04 | 2001-08-16 | Sps Schutzplanken Gmbh | Steel safety barrier for roadways, especially on bridges, has foot elements with fastening arrangement releasable damage-free in event of impact with predetermined shock force, and allows movement of safety barrier |
DE10241020A1 (en) * | 2002-09-05 | 2004-03-25 | Gust. Alberts Gmbh & Co Kg | Fixing device for posts |
DE102005021423A1 (en) * | 2005-05-10 | 2006-11-16 | Durabel Baubedarf Gmbh | Traffic routing barrier for routing vehicles comprises a metallic front part facing a roadway and fixed to the edge of the roadway and having a base plate supported on the ground |
US7533506B2 (en) * | 2006-01-11 | 2009-05-19 | Platt Robert E | Bracket for mounting and vertically leveling a post on a surface |
-
2007
- 2007-12-18 FR FR0708818A patent/FR2925078B1/en not_active Expired - Fee Related
-
2008
- 2008-12-05 FR FR0806826A patent/FR2925079B1/en active Active
- 2008-12-08 EP EP08291153A patent/EP2072684A3/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2704011A1 (en) | 1993-04-15 | 1994-10-21 | Millet Kennedy Andre | Safety block for road signalling |
US6868641B2 (en) | 2002-05-01 | 2005-03-22 | Michael D. Conner | Breakaway post base |
Also Published As
Publication number | Publication date |
---|---|
FR2925079B1 (en) | 2019-07-26 |
FR2925079A1 (en) | 2009-06-19 |
FR2925078A1 (en) | 2009-06-19 |
FR2925078B1 (en) | 2009-11-27 |
EP2072684A3 (en) | 2009-07-08 |
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