EP3279399B1 - Road joint for road structure - Google Patents

Road joint for road structure Download PDF

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Publication number
EP3279399B1
EP3279399B1 EP16182742.3A EP16182742A EP3279399B1 EP 3279399 B1 EP3279399 B1 EP 3279399B1 EP 16182742 A EP16182742 A EP 16182742A EP 3279399 B1 EP3279399 B1 EP 3279399B1
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EP
European Patent Office
Prior art keywords
tooth
base
teeth
flexible blade
blade
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EP16182742.3A
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German (de)
French (fr)
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EP3279399A1 (en
Inventor
Christophe GOUT
Claude NÉANT
Nordine MESSAOUD
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Equipements Techniques Pour L'industrie de la Cons
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Equipements Techniques Pour L'industrie de la Construction
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Application filed by Equipements Techniques Pour L'industrie de la Construction filed Critical Equipements Techniques Pour L'industrie de la Construction
Priority to DK16182742.3T priority Critical patent/DK3279399T3/en
Priority to SI201630343T priority patent/SI3279399T1/en
Priority to EP16182742.3A priority patent/EP3279399B1/en
Priority to AU2017208357A priority patent/AU2017208357A1/en
Publication of EP3279399A1 publication Critical patent/EP3279399A1/en
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Publication of EP3279399B1 publication Critical patent/EP3279399B1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints

Definitions

  • the present invention relates to expansion joints for road structures, also commonly called road joints, intended to ensure the continuity of the road between consecutive sections of road structures such as bridge decks.
  • joints of this kind consist of two elongated metal elements fixed by anchoring means on two parts of the road structure facing one of the other along a slot, and between which is disposed a deformable seal assembly arranged to seal when the metal elements move relative to each other, especially when their spacing varies due to movement relative parts of the works to which they are connected.
  • a roadway joint consists of elements having a row of teeth forming a running surface extending in the direction of the other element, the two rows of triangularly shaped teeth being able to interlock when the two elements are brought together .
  • This type of seal has the advantage of ensuring a continuity of the surface, by nesting the teeth together.
  • the figure 1 shows an example of a road joint according to the prior art. It is intended to connect two parts of pavement C1, C2 separated by a slot F comprising two sets 100, 200 respectively anchored in one or other of the pavement parts on either side of the slot.
  • Each set 100, 200 comprises a comb 110, 210 having a series of teeth 111, 211, the teeth of one of the combs 110, 210 being embedded in the teeth of the other comb to ensure the continuity of the upper surface of the comb.
  • Each comb 110, 210 is fixed by screwing in inserts 120 embedded in concrete.
  • the invention aims to provide a roadway seal with characteristics adapted to the passage of narrow wheels.
  • the invention relates to a road joint for connecting two parts of pavement separated by a slot comprising two sets respectively anchored in one or the other part of the roadway on either side of the slot, each set comprising a comb having a series of teeth, the teeth of one of the combs being nested in the teeth of the other comb to ensure the continuity of the upper surface of the roadway when the parts of the road are struggling between a close position in which the slot is the narrowest and a spaced apart position in which the slot is widest, the seal being characterized in that it comprises retractable means adapted to fill, at least partially, the spaces between a first and second adjacent teeth of the same comb and a third tooth of the other comb inserted between the first and second teeth.
  • retractable means supports the narrow wheels of a vehicle during its passage, and thus improve the comfort and safety of the user, without preventing the passage from the close position to the remote position, and vice versa.
  • the retractable means can be installed in all areas of the road joint or selectively at a passage reserved for bicycles.
  • each set further comprises a soleplate extending along the slot under the comb of said assembly.
  • the sole allows to support the teeth of the comb by distributing the weight constraints of the vehicles over a large surface.
  • the retractable means comprise a flexible blade extending between the first and second teeth and passing under the third tooth towards the slot.
  • the flexible blade is adapted to occupy the space to be filled in the remote position, presenting a face to the sky, and to retract by bending in the close position, sliding under the third tooth.
  • the retractable means are thus very simple to achieve.
  • the retractable means comprise a base extending under the flexible blade and fixed on the sole, the flexible blade and the base being in one piece and connected to the opposite of the third tooth.
  • the base allows the attachment of the blade, while arranging its anchoring as far as possible, to allow the maximum possible bending length between the end of the third tooth and the anchor.
  • the base is obtained by simply folding the blade and does not require assembly means.
  • the base is fixed by bolting, the flexible blade having a light to access screws performing bolting.
  • Bolting in addition to being an effective means of fixing the blade, makes it removable, which facilitates the maintenance of the structure.
  • a slot is made for the passage of tools able to manipulate said heads.
  • the flexible blade In a geometric arrangement, the flexible blade is bent so as to be flush with the upper surface of the roadway in a remote position. Thus it does not exceed the surface of the roadway in a remote position. When moving to the close position, the blade will tend to bend down to pass under the third tooth. Even if the space is no longer completely filled by the blade, the dimensions thereof are reduced in this position and has little effect on the narrow wheel well.
  • the retractable means comprises a telescopic tube extending between the first and the second tooth facing the third tooth.
  • the telescopic tube can follow the relative spacing of the combs by permanently occupying the space at the end of the third tooth.
  • the telescopic tube is fixed on the soleplate by one of its ends, the other end facing the third tooth.
  • the retractable means comprise a base extending under the flexible blade and fixed on the sole, the flexible blade being connected to the base by hooks opposite the third tooth.
  • the separation between the base and the blade makes it possible to confer specific properties on each of the elements in order to best adapt them to the constraints they undergo.
  • the mounting of the base does not require adaptation of the blade.
  • the base can be made wider than the blade so that its attachment can be achieved without being obstructed by the blade.
  • the hooks are formed for example by a fold at the end of the blade and the base, the folds being nested one inside the other.
  • the blade comprises a U-shaped fold, bearing at the level of the base.
  • This form can also be called “gooseneck”. It allows to give flexibility to the blade, while giving it a position determined by the support on the base.
  • the hook system is biased in tension, without receiving a bending moment.
  • a road joint according to a first embodiment is shown on the Figures 3 to 7 . It is intended to connect two parts of pavement C1, C2 separated by a slot F comprising two sets 1, 2 anchored respectively in one or other of the pavement portions on either side of the slot F, as in the prior art of the Figures 1 and 2 .
  • Each set 1, 2 comprises a comb 10, 20 having a series of teeth 11, 21, the teeth 11, 21 of one of the combs 10, 20 being nested in the teeth 21, 11 of the other comb 20, 10 to ensure the continuity of the upper surface of the roadway when the road portions C1, C2 are struggling between a close position, as shown in FIG.
  • each comb 10, 20 is fixed by screwing in inserts 120 embedded in concrete.
  • Each set 1, 2 further comprises a sole 12, 22 extending along the slot F under the comb 10, 20 of said set.
  • the sole 12, 22 extends between the implantation of the teeth 11, 21 of the comb 10, 20 and a line intermediate the implantation and the end of the teeth 11, 21.
  • the seal comprises retractable means 3 adapted to fill, at least partially, the spaces between a first and a second tooth 11a, 11b adjacent the same comb 10 and a third tooth 21 of the other comb 20 inserted between the first and the second tooth 11a, 11b.
  • the retractable means 3 relate to each comb 10, 20 and each space between the teeth 11, 21 of each comb 10, 20.
  • the retractable means 3 comprise a flexible blade 30 extending between the first and second teeth 11a, 11b and passing under the third tooth 21 towards the slot F, and a base 31 extending under the flexible blade 30 and fixed on 12, 22.
  • the flexible blade and the base 31 are in one piece, as shown by the Figures 6 and 7 , and connected to the opposite of the third tooth 21, that is to say at the implantation of the first and the third tooth 11a, 11b.
  • the flexible blade is bent and forms an arch extending the entire length of the spaces between the teeth 11, 21 and extending into the slot F, so as to be flush with the upper surface S of the roadway in a spaced position.
  • the base 31 is fixed on the sole 12, 22 by bolting two screws 32 in tapped holes of the sole 12, 22.
  • the flexible blade 30 has a slot 33 facing the base 31 to access the heads of the screws 32 realizing bolting.
  • the combs 10, 20 are made for example of stainless steel, likewise only soles and flexible blades. They could also be made of steel protected against corrosion by a coating.
  • the slot F changes size struggling between the separated position as on the figure 4 and the close position, as shown on the figure 5 , and vice versa.
  • the third tooth 21 slides on the upper face of the flexible blade 30 and pushes it downwards, inside the slot F.
  • the blade 30 resumes its initial position under the effect of its elasticity. If a bicycle wheel passes over the flexible blade, it leans on it and descends only a few millimeters, without substantially penetrating between the first and second teeth 11a, 11b.
  • the retractable means 3 comprises a telescopic tube 34 extending between the first and the second tooth facing the third tooth.
  • the telescopic tube 34 is fixed on the sole 12, 22 by one of its ends 341, the other end 342 facing the third tooth 21, cantilevered.
  • the telescopic tube 34 comprises a stand 343 which slides on the upper face of the sole 12, 22.
  • the telescopic tube 34 comprises internal elastic means, not shown, which elastically hold the telescopic tube 34 in a deployed position .
  • the tube seals the space between the first and second teeth permanently, without preventing the passage from the spaced apart position to the close position. If a bicycle wheel passes over the telescopic tube 34, it leans on it and descends only a few millimeters, without penetrating substantially between the first and the second tooth 11a, 11b.
  • the retractable means 3 “comprise a base 31" extending under the flexible blade 30.
  • the base 31 is a square section which can be continuous or the width of each blade 30". "is attached to the sole 12, while that the flexible blade 30 "is connected to the base 31" by hooks opposite the third tooth 21.
  • the blade 30 “comprises a U-shaped fold 301, bearing on a first flange 311 of the base 31 which is along the flange 12.
  • a second flange 312 of the base extends substantially at right angles to the first flange 311 and terminates in one of the hooks 313 of the connection with the flexible blade 30 ".
  • Hook 313 having an open U shape facing the comb 10.
  • One end of the blade 30 also includes a hook 302 which intermesh with the hook 313 of the base 31".
  • the blade 30 In use, the blade 30 "is stretched in flexion by the support on the one hand at the hooks 313, 302, at the fold 301 and secondly under the third tooth 21.
  • the blade 31" flexes during the transition from the closed position to the close position, as illustrated by the Figures 11 to 13 , the fold 301 remaining in support on the wing 311 of the base.

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

La présente invention concerne les joints de dilatation pour ouvrage routier, encore appelés couramment joints de chaussée, destiné à assurer la continuité du chemin de roulement entre des tronçons consécutifs d'ouvrages routiers tels que des tabliers de ponts.The present invention relates to expansion joints for road structures, also commonly called road joints, intended to ensure the continuity of the road between consecutive sections of road structures such as bridge decks.

ART ANTÉRIEURPRIOR ART

On connait déjà différents types de joints de ce genre qui, de manière générale, se composent de deux éléments métalliques, de forme allongée, fixés par des moyens d'ancrage sur deux parties de l'ouvrage routier en regard l'une de l'autre le long d'une fente, et entre lesquels est disposé un ensemble d'étanchéité déformable agencé pour assurer l'étanchéité lorsque les éléments métalliques se déplacent l'un par rapport à l'autre, notamment lorsque leur écartement varie du fait de mouvement relatifs desdites parties d'ouvrages auxquels ils sont raccordés.Various types of joints of this kind are already known which, in general, consist of two elongated metal elements fixed by anchoring means on two parts of the road structure facing one of the other along a slot, and between which is disposed a deformable seal assembly arranged to seal when the metal elements move relative to each other, especially when their spacing varies due to movement relative parts of the works to which they are connected.

Un type connu, notamment par FR2902118 , de joints de chaussée est constitué d'éléments présentant une rangée de dents formant surface de roulement s'étendant en direction de l'autre élément, les deux rangées de dents de forme triangulaire étant aptes à s'imbriquer lorsque les deux éléments sont rapprochés. Ce type de joint présente l'avantage d'assurer une continuité de la surface, par l'imbrication des dents entre elles.A known type, especially by FR2902118 , a roadway joint consists of elements having a row of teeth forming a running surface extending in the direction of the other element, the two rows of triangularly shaped teeth being able to interlock when the two elements are brought together . This type of seal has the advantage of ensuring a continuity of the surface, by nesting the teeth together.

On connaît un autre exemple de joint de chaussée par le document FR2573456 A1 dans lequel deux éléments en forme de peigne présentent également des dents, sensiblement droites. Les peignes sont fixés de manière amovible et ancrés dans les parties respectives de l'ouvrage de part et d'autre de la fente.Another example of a road joint is known from the document FR2573456 A1 wherein two comb-shaped members also have substantially straight teeth. The combs are removably attached and anchored in the respective parts of the structure on either side of the slot.

La figure 1 montre un exemple de joint de chaussée selon l'art antérieur. Il est prévu pour raccorder deux parties de chaussée C1, C2 séparées par une fente F comprenant deux ensembles 100, 200 ancrés respectivement dans l'une ou l'autre des parties de chaussée de part et d'autre de la fente. Chaque ensemble 100, 200 comporte un peigne 110, 210 comportant une série de dents 111, 211, les dents de l'un des peignes 110, 210 étant imbriquées dans les dents de l'autre peigne pour assurer la continuité de la surface supérieure de la chaussée lorsque les parties de chaussée C1, C2 se débattent entre une position rapprochée, telle que représentée sur la figure 1, dans laquelle la fente est la plus étroite et une position écartée dans laquelle la fente est la plus large, comme représenté sur la figure 2. Chaque peigne 110, 210 est fixé par vissage dans des inserts 120 noyés dans du béton.The figure 1 shows an example of a road joint according to the prior art. It is intended to connect two parts of pavement C1, C2 separated by a slot F comprising two sets 100, 200 respectively anchored in one or other of the pavement parts on either side of the slot. Each set 100, 200 comprises a comb 110, 210 having a series of teeth 111, 211, the teeth of one of the combs 110, 210 being embedded in the teeth of the other comb to ensure the continuity of the upper surface of the comb. the roadway when the road portions C1, C2 are struggling between a close position, as shown in FIG. figure 1 in which the slot is the narrowest and a spaced apart position in which the slot is widest, as shown in FIG. figure 2 . Each comb 110, 210 is fixed by screwing in inserts 120 embedded in concrete.

Si ces types de joints de chaussée donnent satisfaction pour le passage des véhicule à moteur, ils posent des problèmes pour les véhicules à roues étroites tels que les vélos. En effet, pour supporter le poids des véhicules les plus lourds, les dents doivent avoir une section suffisante. L'espace entre deux dents adjacentes a une section au moins équivalente à la section des dents, pour recevoir la dent de l'autre peigne. Alors que cet espace est comblé au moins partiellement lorsque les peignes sont au plus près l'un de l'autre, comme montré sur la figure 1, tel n'est pas le cas lorsque les parties de chaussée sont écartées. Une roue étroite de vélo peut alors pénétrer dans cet espace qui constitue un creux dans la trajectoire de la roue. Ce creux peut être profond de quelques centimètres, ce qui est très gênant pour le confort et la sécurité du cycliste. Dans le cas illustré par la figure 1, la roue est en appui sur deux extrémités du creux écartées d'une distance L1 est s'est enfoncée d'une profondeur L2.If these types of road joints are satisfactory for the passage of motor vehicles, they pose problems for narrow-wheeled vehicles such as bicycles. Indeed, to support the weight of the heaviest vehicles, the teeth must have a sufficient section. The space between two adjacent teeth has a section at least equivalent to the section of the teeth, to receive the tooth of the other comb. While this space is filled at least partially when the combs are closer to each other, as shown on the figure 1 this is not the case when the parts of the carriageway are discarded. A narrow bicycle wheel can then enter this space which constitutes a hollow in the trajectory of the wheel. This hollow can be a few centimeters deep, which is very inconvenient for the comfort and safety of the cyclist. In the case illustrated by the figure 1 , the wheel is supported on two ends of the hollow spaced a distance L1 is sank a depth L2.

Les documents EP 1 033 442 A et DE 11 2011 104796 T5 montrent des joints de chaussée dans lesquels des lames escamotables ont été insérées entre les dents.The documents EP 1 033 442 A and DE 11 2011 104796 T5 show road joints in which retractable blades have been inserted between the teeth.

OBJECTIFS DE L'INVENTIONOBJECTIVES OF THE INVENTION

Pour résoudre ces problèmes l'invention vise à fournir un joint de chaussée aux caractéristiques adaptée au passage de roues étroites.To solve these problems, the invention aims to provide a roadway seal with characteristics adapted to the passage of narrow wheels.

DESCRIPTION DE L'INVENTIONDESCRIPTION OF THE INVENTION

Avec ces objectifs en vue, l'invention a pour objet un joint de chaussée pour raccorder deux parties de chaussée séparées par une fente comprenant deux ensembles ancrés respectivement dans l'une ou l'autre des parties de chaussée de part et d'autre de la fente, chaque ensemble comportant un peigne comportant une série de dents, les dents de l'un des peignes étant imbriquées dans les dents de l'autre peigne pour assurer la continuité de la surface supérieure de la chaussée lorsque les parties de chaussée se débattent entre une position rapprochée dans laquelle la fente est la plus étroite et une position écartée dans laquelle la fente est la plus large, le joint étant caractérisé en ce qu'il comporte des moyens escamotables apte à combler, au moins partiellement, les espaces entre une première et une deuxième dent adjacentes d'un même peigne et une troisième dent de l'autre peigne insérée entre la première et la deuxième dent.With these objectives in view, the invention relates to a road joint for connecting two parts of pavement separated by a slot comprising two sets respectively anchored in one or the other part of the roadway on either side of the slot, each set comprising a comb having a series of teeth, the teeth of one of the combs being nested in the teeth of the other comb to ensure the continuity of the upper surface of the roadway when the parts of the road are struggling between a close position in which the slot is the narrowest and a spaced apart position in which the slot is widest, the seal being characterized in that it comprises retractable means adapted to fill, at least partially, the spaces between a first and second adjacent teeth of the same comb and a third tooth of the other comb inserted between the first and second teeth.

La présence de moyens escamotables permet de soutenir les roues étroites d'un véhicule lors de son passage, et d'améliorer ainsi le confort et la sécurité de son utilisateur, sans pour autant empêcher le passage de la position rapprochée à la position écartée, et vice-versa. Les moyens escamotables peuvent être installé dans tous les espaces du joint de chaussée ou de manière sélective, au niveau d'un passage réservé aux vélos.The presence of retractable means supports the narrow wheels of a vehicle during its passage, and thus improve the comfort and safety of the user, without preventing the passage from the close position to the remote position, and vice versa. The retractable means can be installed in all areas of the road joint or selectively at a passage reserved for bicycles.

Selon l'invention chaque ensemble comporte en outre une semelle s'étendant le long de la fente sous le peigne dudit ensemble. La semelle permet de soutenir les dents du peigne en répartissant les contraintes de poids des véhicules sur une large surface.According to the invention each set further comprises a soleplate extending along the slot under the comb of said assembly. The sole allows to support the teeth of the comb by distributing the weight constraints of the vehicles over a large surface.

Les moyens escamotables comportent une lame flexible s'étendant entre la première et la deuxième dent et passant sous la troisième dent vers la fente. La lame flexible est apte à occuper ainsi l'espace à combler dans la position écartée, en présentant une face vers le ciel, et à s'escamoter par sa flexion en position rapprochée, en glissant sous la troisième dent. Les moyens escamotables sont ainsi très simples à réaliser.The retractable means comprise a flexible blade extending between the first and second teeth and passing under the third tooth towards the slot. The flexible blade is adapted to occupy the space to be filled in the remote position, presenting a face to the sky, and to retract by bending in the close position, sliding under the third tooth. The retractable means are thus very simple to achieve.

Selon une disposition constructive, les moyens escamotables comportent une base s'étendant sous la lame flexible et fixée sur la semelle, la lame flexible et la base étant d'un seul tenant et reliées à l'opposé de la troisième dent. La base permet la fixation de la lame, tout en disposant son ancrage au plus loin possible, afin de laisser le maximum de longueur de flexion possible entre l'extrémité de la troisième dent et l'ancrage. De plus, la base est obtenue par le simple pliage de la lame et ne nécessite pas de moyens d'assemblage.According to a constructive arrangement, the retractable means comprise a base extending under the flexible blade and fixed on the sole, the flexible blade and the base being in one piece and connected to the opposite of the third tooth. The base allows the attachment of the blade, while arranging its anchoring as far as possible, to allow the maximum possible bending length between the end of the third tooth and the anchor. In addition, the base is obtained by simply folding the blade and does not require assembly means.

De manière complémentaire, la base est fixée par boulonnage, la lame flexible comportant une lumière pour accéder à des vis réalisant le boulonnage. Le boulonnage, en plus d'être un moyen de fixation efficace de la lame, rend celle-ci amovible, ce qui facilite la maintenance de l'ouvrage. Toutefois, pour accéder aux têtes de vis ou de boulons, on réalise une fente pour le passage des outils aptes à manoeuvrer lesdites têtes.In a complementary manner, the base is fixed by bolting, the flexible blade having a light to access screws performing bolting. Bolting, in addition to being an effective means of fixing the blade, makes it removable, which facilitates the maintenance of the structure. However, to access the heads of screws or bolts, a slot is made for the passage of tools able to manipulate said heads.

Selon une disposition géométrique, la lame flexible est cintrée de sorte à affleurer la surface supérieure de la chaussée en position écartée. Ainsi elle ne dépasse pas de la surface de la chaussée en position écartée. Lors du passage en position rapprochée, la lame aura tendance à fléchir vers le bas pour passer sous la troisième dent. Même si l'espace n'est plus complètement comblé par la lame, les dimensions de celui-ci sont réduites dans cette position et n'affecte que peu le passage de roue étroite.In a geometric arrangement, the flexible blade is bent so as to be flush with the upper surface of the roadway in a remote position. Thus it does not exceed the surface of the roadway in a remote position. When moving to the close position, the blade will tend to bend down to pass under the third tooth. Even if the space is no longer completely filled by the blade, the dimensions thereof are reduced in this position and has little effect on the narrow wheel well.

Selon un deuxième mode de réalisation non revendiqué, qui ne fait pas partie de l'invention, les moyens escamotables comporte un tube télescopique s'étendant entre la première et la deuxième dent en regard de la troisième dent. Le tube télescopique peut suivre l'écartement relatif des peignes en occupant en permanence l'espace à l'extrémité de la troisième dent.According to a second embodiment not claimed, which is not part of the invention, the retractable means comprises a telescopic tube extending between the first and the second tooth facing the third tooth. The telescopic tube can follow the relative spacing of the combs by permanently occupying the space at the end of the third tooth.

Selon une disposition constructive, le tube télescopique est fixé sur la semelle par l'une de ses extrémités, l'autre extrémité étant en regard de la troisième dent.According to a constructive arrangement, the telescopic tube is fixed on the soleplate by one of its ends, the other end facing the third tooth.

Selon un troisième mode de réalisation, les moyens escamotables comportent une base s'étendant sous la lame flexible et fixée sur la semelle, la lame flexible étant reliée à la base par crochets à l'opposé de la troisième dent. La séparation entre la base et la lame permet de conférer des propriétés spécifiques à chacun des éléments pour les adapter au mieux aux contraintes qu'ils subissent. De plus, le montage de la base, par exemple par vissage, ne nécessite pas d'adaptation de la lame. La base peut être réalisée plus large que la lame de manière que sa fixation peut être réalisée sans être gênée par la lame. Les crochets sont formés par exemple par un pli à l'extrémité de la lame et de la base, les plis étant imbriqués l'un dans l'autre.According to a third embodiment, the retractable means comprise a base extending under the flexible blade and fixed on the sole, the flexible blade being connected to the base by hooks opposite the third tooth. The separation between the base and the blade makes it possible to confer specific properties on each of the elements in order to best adapt them to the constraints they undergo. In addition, the mounting of the base, for example by screwing, does not require adaptation of the blade. The base can be made wider than the blade so that its attachment can be achieved without being obstructed by the blade. The hooks are formed for example by a fold at the end of the blade and the base, the folds being nested one inside the other.

Selon un perfectionnement, la lame comporte un repli en forme de U, venant en appui au niveau de la base. Cette forme peut aussi être appelée « col de cygne ». Elle permet de donner de la souplesse à la lame, tout en lui donnant une position déterminée par l'appui sur la base. De plus, le système de crochets est sollicité en traction, sans recevoir de moment fléchissant.According to an improvement, the blade comprises a U-shaped fold, bearing at the level of the base. This form can also be called "gooseneck". It allows to give flexibility to the blade, while giving it a position determined by the support on the base. In addition, the hook system is biased in tension, without receiving a bending moment.

BRÈVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

Pour une meilleure compréhension de l'invention, il est fait référence à la description qui suit et aux dessins annexés, parmi lesquels :

  • la figure 1 est une vue en coupe d'un joint de chaussée selon l'art antérieur ;
  • la figure 2 est une vue simplifiée en coupe du joint de la figure 1, en position écartée, montrant le passage d'une roue d'un vélo ;
  • la figure 3 est une vue de dessus d'un joint selon un premier mode de réalisation de l'invention, en position écartée;
  • la figure 4 est une vue en coupe similaire selon la ligne IV-IV de la figure 3;
  • la figure 5 est une vue similaire à la figure 4 en position intermédiaire;
  • la figure 6 est une vue en perspective de la lame de la figure 4;
  • la figure 7 est une vue du détail VII de la figure 6 ;
  • la figure 8 est une vue de dessus d'un joint selon un deuxième mode de réalisation qui ne fait pas partie de l'invention ;
  • la figure 9 est une vue en coupe selon la ligne IX-IX de la figure 8 ;
  • la figure 10 est une vue similaire à la figure 9 en position rapprochée;
  • les figures 11 à 13 sont des vues en coupe similaires à la figure 4 d'un joint selon un troisième mode de réalisation de l'invention, respectivement en position écartée, intermédiaire et rapprochée.
For a better understanding of the invention, reference is made to the description which follows and to the appended drawings, among which:
  • the figure 1 is a sectional view of a road joint according to the prior art;
  • the figure 2 is a simplified sectional view of the seal of the figure 1 , in the spread position, showing the passage of a wheel of a bicycle;
  • the figure 3 is a top view of a joint according to a first mode of embodiment of the invention, in a remote position;
  • the figure 4 is a similar sectional view along line IV-IV of the figure 3 ;
  • the figure 5 is a view similar to the figure 4 in the intermediate position;
  • the figure 6 is a perspective view of the blade of the figure 4 ;
  • the figure 7 is a detail view VII of the figure 6 ;
  • the figure 8 is a top view of a seal according to a second embodiment which does not form part of the invention;
  • the figure 9 is a sectional view along the line IX-IX of the figure 8 ;
  • the figure 10 is a view similar to the figure 9 in a close position;
  • the Figures 11 to 13 are sectional views similar to the figure 4 a seal according to a third embodiment of the invention, respectively in the spaced apart, intermediate and close position.

DESCRIPTION DÉTAILLÉEDETAILED DESCRIPTION

Un joint de chaussée selon une premier mode de réalisation est montré sur les figures 3 à 7. Il est prévu pour raccorder deux parties de chaussée C1, C2 séparées par une fente F comprenant deux ensembles 1, 2 ancrés respectivement dans l'une ou l'autre des parties de chaussée de part et d'autre de la fente F, comme dans l'art antérieur des figures 1 et 2. Chaque ensemble 1, 2 comporte un peigne 10, 20 comportant une série de dents 11, 21, les dents 11, 21 de l'un des peignes 10, 20 étant imbriquées dans les dents 21, 11 de l'autre peigne 20, 10 pour assurer la continuité de la surface supérieure de la chaussée lorsque les parties de chaussée C1, C2 se débattent entre une position rapprochée, telle que représentée sur la figure 5, dans laquelle la fente F est la plus étroite et une position écartée dans laquelle la fente F est la plus large, comme représenté sur les figures 3 et 5. Sur les figures, les dents s'étendent perpendiculairement à la fente, mais dans certaines configurations, les dents peuvent être orientées selon une direction inclinée par rapport à la direction de la fente pour être dans la direction de dilatation de la chaussée de l'ouvrage. Chaque peigne 10, 20 est fixé par vissage dans des inserts 120 noyés dans du béton. Chaque ensemble 1, 2 comporte en outre une semelle 12, 22 s'étendant le long de la fente F sous le peigne 10, 20 dudit ensemble. La semelle 12, 22 s'étend entre l'implantation des dents 11, 21 du peigne 10, 20 et une ligne intermédiaire entre l'implantation et l'extrémité des dents 11, 21.A road joint according to a first embodiment is shown on the Figures 3 to 7 . It is intended to connect two parts of pavement C1, C2 separated by a slot F comprising two sets 1, 2 anchored respectively in one or other of the pavement portions on either side of the slot F, as in the prior art of the Figures 1 and 2 . Each set 1, 2 comprises a comb 10, 20 having a series of teeth 11, 21, the teeth 11, 21 of one of the combs 10, 20 being nested in the teeth 21, 11 of the other comb 20, 10 to ensure the continuity of the upper surface of the roadway when the road portions C1, C2 are struggling between a close position, as shown in FIG. figure 5 in which the slot F is the narrowest and a spaced apart position in which the slot F is the widest, as represented on the Figures 3 and 5 . In the figures, the teeth extend perpendicularly to the slot, but in certain configurations, the teeth may be oriented in a direction inclined with respect to the direction of the slot to be in the direction of expansion of the pavement of the structure . Each comb 10, 20 is fixed by screwing in inserts 120 embedded in concrete. Each set 1, 2 further comprises a sole 12, 22 extending along the slot F under the comb 10, 20 of said set. The sole 12, 22 extends between the implantation of the teeth 11, 21 of the comb 10, 20 and a line intermediate the implantation and the end of the teeth 11, 21.

Le joint comporte des moyens escamotables 3 apte à combler, au moins partiellement, les espaces entre une première et une deuxième dent 11a, 11b adjacentes d'un même peigne 10 et une troisième dent 21 de l'autre peigne 20 insérée entre la première et la deuxième dent 11a, 11b. Au final, les moyens escamotables 3 concernent chaque peigne 10, 20 et chaque espace entre les dents 11, 21 de chaque peigne 10, 20.The seal comprises retractable means 3 adapted to fill, at least partially, the spaces between a first and a second tooth 11a, 11b adjacent the same comb 10 and a third tooth 21 of the other comb 20 inserted between the first and the second tooth 11a, 11b. Finally, the retractable means 3 relate to each comb 10, 20 and each space between the teeth 11, 21 of each comb 10, 20.

Les moyens escamotables 3 comportent une lame 30 flexible, s'étendant entre la première et la deuxième dent 11a, 11b et passant sous la troisième dent 21 vers la fente F, et une base 31 s'étendant sous la lame 30 flexible et fixée sur la semelle 12, 22. Dans ce mode de réalisation, la lame 30 flexible et la base 31 sont d'un seul tenant, comme montré par les figures 6 et 7, et reliées à l'opposé de la troisième dent 21, c'est à dire au niveau de l'implantation de la première et de la troisième dent 11a, 11b. Ainsi, la lame 30 flexible est cintrée et forme une arche s'étendant dans toute la longueur des espaces entre les dents 11, 21 et se prolongeant dans la fente F, de sorte à affleurer la surface supérieure S de la chaussée en position écartée.The retractable means 3 comprise a flexible blade 30 extending between the first and second teeth 11a, 11b and passing under the third tooth 21 towards the slot F, and a base 31 extending under the flexible blade 30 and fixed on 12, 22. In this embodiment, the flexible blade and the base 31 are in one piece, as shown by the Figures 6 and 7 , and connected to the opposite of the third tooth 21, that is to say at the implantation of the first and the third tooth 11a, 11b. Thus, the flexible blade is bent and forms an arch extending the entire length of the spaces between the teeth 11, 21 and extending into the slot F, so as to be flush with the upper surface S of the roadway in a spaced position.

La base 31 est fixée sur la semelle 12, 22 par boulonnage de deux vis 32 dans des trous taraudés de la semelle 12, 22. La lame 30 flexible comporte une lumière 33 en regard de la base 31 pour accéder aux têtes des vis 32 réalisant le boulonnage.The base 31 is fixed on the sole 12, 22 by bolting two screws 32 in tapped holes of the sole 12, 22. The flexible blade 30 has a slot 33 facing the base 31 to access the heads of the screws 32 realizing bolting.

Les peignes 10, 20 sont réalisés par exemple en acier inoxydable, de même que les semelles et les lames 30 flexibles. Ils pourraient aussi être réalisés dans en acier protégé contre la corrosion par un revêtement.The combs 10, 20 are made for example of stainless steel, likewise only soles and flexible blades. They could also be made of steel protected against corrosion by a coating.

En fonctionnement, en fonction des contraintes sur l'ouvrage, en particulier en fonction des températures, la fente F change de taille se débattant entre la position écartée comme sur la figure 4 et la position rapprochée, comme montré sur la figure 5, et vice-versa. Dans ce mouvement, la troisième dent 21 glisse sur la face supérieure de la lame 30 flexible et la pousse vers le bas, à l'intérieur de la fente F. Lors de l'écartement, la lame 30 reprend sa position initiale sous l'effet de son élasticité. Si une roue de vélo passe au-dessus de la lame 30 flexible, elle s'appuie sur celle-ci et ne descend que de quelques millimètres, sans pénétrer sensiblement entre la première et la deuxième dent 11a, 11b.In operation, depending on the constraints on the structure, particularly as a function of the temperatures, the slot F changes size struggling between the separated position as on the figure 4 and the close position, as shown on the figure 5 , and vice versa. In this movement, the third tooth 21 slides on the upper face of the flexible blade 30 and pushes it downwards, inside the slot F. During the separation, the blade 30 resumes its initial position under the effect of its elasticity. If a bicycle wheel passes over the flexible blade, it leans on it and descends only a few millimeters, without substantially penetrating between the first and second teeth 11a, 11b.

Dans un deuxième mode de réalisation, qui ne fait pas partie de l'invention, montré sur les figures 8 à 10, les moyens escamotables 3' comporte un tube télescopique 34 s'étendant entre la première et la deuxième dent en regard de la troisième dent. Le tube télescopique 34 est fixé sur la semelle 12, 22 par une première de ses extrémités 341, l'autre extrémité 342 étant en regard de la troisième dent 21, en porte-à-faux. A sa deuxième extrémité, le tube télescopique 34 comporte une béquille 343 qui glisse sur la face supérieure de la semelle 12, 22. Le tube télescopique 34 comporte des moyens élastiques internes, non représentés, qui maintiennent élastiquement le tube télescopique 34 dans une position déployée. Ainsi, le tube obture l'espace entre la première et la deuxième dent en permanence, sans empêcher le passage de la position écartée à la position rapprochée. Si une roue de vélo passe au-dessus du tube télescopique 34, elle s'appuie sur celui-ci et ne descend que de quelques millimètres, sans pénétrer sensiblement entre la première et la deuxième dent 11a, 11b.In a second embodiment, which does not form part of the invention, shown on the Figures 8 to 10 , the retractable means 3 'comprises a telescopic tube 34 extending between the first and the second tooth facing the third tooth. The telescopic tube 34 is fixed on the sole 12, 22 by one of its ends 341, the other end 342 facing the third tooth 21, cantilevered. At its second end, the telescopic tube 34 comprises a stand 343 which slides on the upper face of the sole 12, 22. The telescopic tube 34 comprises internal elastic means, not shown, which elastically hold the telescopic tube 34 in a deployed position . Thus, the tube seals the space between the first and second teeth permanently, without preventing the passage from the spaced apart position to the close position. If a bicycle wheel passes over the telescopic tube 34, it leans on it and descends only a few millimeters, without penetrating substantially between the first and the second tooth 11a, 11b.

Dans un troisième mode de réalisation, montré sur les figures 11 à 13, les moyens escamotables 3" comportent une base 31" s'étendant sous la lame 30" flexible. La base 31" est un profilé en forme d'équerre qui peut être continu ou de la largeur de chaque lame 30". La base 31" est fixée sur la semelle 12, tandis que la lame 30" flexible est reliée à la base 31" par crochets à l'opposé de la troisième dent 21. La lame 30" comporte un repli 301 en forme de U, venant en appui sur une première aile 311 de la base 31" qui est le long de la semelle 12. Une deuxième aile 312 de la base s'étend sensiblement à angle droit de la première aile 311 et se termine par l'un des crochets 313 de la liaison avec la lame 30" flexible, ledit crochet 313 ayant une forme en U ouvert en regard du peigne 10. Une extrémité de la lame 30" comporte également un crochet 302 qui s'imbrique avec le crochet 313 de la base 31".In a third embodiment, shown on the Figures 11 to 13 the retractable means 3 "comprise a base 31" extending under the flexible blade 30. The base 31 "is a square section which can be continuous or the width of each blade 30". "is attached to the sole 12, while that the flexible blade 30 "is connected to the base 31" by hooks opposite the third tooth 21. The blade 30 "comprises a U-shaped fold 301, bearing on a first flange 311 of the base 31 which is along the flange 12. A second flange 312 of the base extends substantially at right angles to the first flange 311 and terminates in one of the hooks 313 of the connection with the flexible blade 30 ". Hook 313 having an open U shape facing the comb 10. One end of the blade 30 "also includes a hook 302 which intermesh with the hook 313 of the base 31".

En utilisation, la lame 30" est tendue en flexion par l'appui d'une part au niveau des crochets 313, 302, au niveau du repli 301 et d'autre part sous la troisième dent 21. La lame 31" fléchit lors du passage de la position écartée à la position rapprochée, comme l'illustrent les figures 11 à 13, le repli 301 restant en appui sur l'aile 311 de la base.In use, the blade 30 "is stretched in flexion by the support on the one hand at the hooks 313, 302, at the fold 301 and secondly under the third tooth 21. The blade 31" flexes during the transition from the closed position to the close position, as illustrated by the Figures 11 to 13 , the fold 301 remaining in support on the wing 311 of the base.

Claims (6)

  1. Roadway joint to connect two pavement sections (C1, C2) separated by a gap (F) comprising two assemblies (1, 2) anchored respectively in one or other of the pavement sections (C1, C2) on either side of the gap (F), each assembly (1, 2) comprising a finger plate (10, 20) comprising a series of teeth (11, 21), the teeth (11, 21) of one of the finger plates (10, 20) being interlocked in the teeth (21, 11) of the other finger plate (20, 10) to ensure the continuity of the upper surface (S) of the pavement when the pavement sections (C1, C2) move between a near position where the gap (F) is at its narrowest and a spaced-apart position where the gap (F) is at its widest, the joint being characterised in that it comprises retractable means (3, 3') capable of filling, at least partially, the spaces between an adjacent first and second tooth (11a, 11b) on the same finger plate (10, 20) and a third tooth (21) on the other finger plate (10, 20) inserted between the first and the second tooth (11a, 11b),
    the retractable means (3, 3') comprising a flexible blade (30) extending between the first and the second tooth (11a, 11b) and passing under the third tooth (21) towards the gap (F),
    each assembly (1, 2) further comprising a base plate (12, 22) extending along the gap (F) under the finger plate (10, 20) of said assembly,
    characterised in that the retractable means (3, 3') comprise a base (31) extending under the flexible blade (30) and attached to the base plate (12, 22).
  2. Roadway joint according to claim 1, where the flexible blade (30) and the base (31) are in one piece and connected opposite the third tooth (21).
  3. Roadway joint according to claim 1 or claim 2, where the base (31) is attached by bolting, the flexible blade (30) comprising an aperture to provide access to the screws ensuring the bolting.
  4. Roadway joint according to claim 1, where the flexible blade (30") is connected to the base (31") by hooks opposite the third tooth (21).
  5. Roadway joint according to claim 4, where the blade (30") comprises a U-shaped fold (301), resting on the base (31").
  6. Roadway joint according to one of the previous claims, where the flexible blade (30) is bent to be flush with the upper surface (S) of the pavement in the spaced-apart position.
EP16182742.3A 2016-08-04 2016-08-04 Road joint for road structure Active EP3279399B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK16182742.3T DK3279399T3 (en) 2016-08-04 2016-08-04 ROAD TRANSITION TO ROADWORK
SI201630343T SI3279399T1 (en) 2016-08-04 2016-08-04 Road joint for road structure
EP16182742.3A EP3279399B1 (en) 2016-08-04 2016-08-04 Road joint for road structure
AU2017208357A AU2017208357A1 (en) 2016-08-04 2017-07-28 Roadway joint for road structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16182742.3A EP3279399B1 (en) 2016-08-04 2016-08-04 Road joint for road structure

Publications (2)

Publication Number Publication Date
EP3279399A1 EP3279399A1 (en) 2018-02-07
EP3279399B1 true EP3279399B1 (en) 2019-05-29

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ID=56609702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16182742.3A Active EP3279399B1 (en) 2016-08-04 2016-08-04 Road joint for road structure

Country Status (4)

Country Link
EP (1) EP3279399B1 (en)
AU (1) AU2017208357A1 (en)
DK (1) DK3279399T3 (en)
SI (1) SI3279399T1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101795337B1 (en) * 2017-01-25 2017-11-08 주식회사 케이이테크 Finger joint with a bridging cover plate
CN110468700B (en) * 2019-09-17 2020-11-17 衡水中盛工程橡胶有限公司 Multifunctional expansion joint device for bridge

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573456B1 (en) 1984-11-20 1987-01-30 Freyssinet Int Stup GROUND JOINTS
AT413829B (en) * 1999-03-02 2006-06-15 Reisner & Wolff Eng DEVICE FOR BRIDGING EXTENSIONS IN ROADS
FR2902118B1 (en) 2006-06-13 2008-08-15 Equip Tech Pour L'ind De La Co EXPANSION JOINT FOR ROAD WORK
CN101956366B (en) * 2009-12-29 2016-09-28 吴树超 A formula bridge extension joint mutually
WO2011126413A2 (en) * 2011-01-31 2011-10-13 Kozlachkov Sergey Waleriewich The expansion joint
CN102966036B (en) * 2012-11-18 2015-10-21 吴树超 Chain type seamless bridge telescopic device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3279399A1 (en) 2018-02-07
DK3279399T3 (en) 2019-09-09
AU2017208357A1 (en) 2018-02-22
SI3279399T1 (en) 2020-03-31

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