EP1845195B1 - Transportable provisional road surface and plates for making said road surface. - Google Patents

Transportable provisional road surface and plates for making said road surface. Download PDF

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Publication number
EP1845195B1
EP1845195B1 EP20070106009 EP07106009A EP1845195B1 EP 1845195 B1 EP1845195 B1 EP 1845195B1 EP 20070106009 EP20070106009 EP 20070106009 EP 07106009 A EP07106009 A EP 07106009A EP 1845195 B1 EP1845195 B1 EP 1845195B1
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EP
European Patent Office
Prior art keywords
plate
plates
edge
core
alignment direction
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Not-in-force
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EP20070106009
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German (de)
French (fr)
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EP1845195A2 (en
EP1845195A3 (en
Inventor
Christian Deforges
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MCCF
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MCCF
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Publication of EP1845195A3 publication Critical patent/EP1845195A3/en
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Publication of EP1845195B1 publication Critical patent/EP1845195B1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
    • E01C9/08—Temporary pavings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2201/00—Paving elements
    • E01C2201/16—Elements joined together
    • E01C2201/167—Elements joined together by reinforcement or mesh

Definitions

  • the invention relates to a temporary transportable roadway and plates for making such a roadway.
  • a solution has been proposed in the document FR 2,770,860 thanks to a temporary metal track consisting of the assembly of aluminum plates.
  • the track rests directly on the ground, even if it is loose.
  • the loads are distributed over a large area, which reduces the stress on the ground and greatly increases its ability to withstand the loads.
  • the track is built at the beginning of the site and dismantled at the end of it. After the withdrawal of the track, there are very few traces on the ground.
  • the plates have two layers of modules wavy.
  • the modules of the same layer are nested together.
  • the waves from one layer to the other are crossed to give rigidity to the plate in two crossed directions.
  • the plates are joined together by ribs.
  • the document GB 2 342 945 shows construction elements of a temporary pavement formed by the assembly of extruded PVC panels. Such elements are assembled by rods traversing the panels transversely and by bands on the upper face and possibly lower. These bands present the risk, if they are no longer properly held by bolts, to protrude and attack the tires of vehicles.
  • the invention aims to provide a temporary transportable roadway that can support gear with heavy loads, and does not offer aggressive protruding parts.
  • the subject of the invention is a plate intended to form a similar alignment of plates in an alignment direction to form a temporary pavement, comprising a core of bending elastic material, reinforcing means extending longitudinally in the alignment direction, on both sides of the plate, respectively on an upper face and on a lower face.
  • the reinforcing means form at least one complete hoop around the soul.
  • the complete strapping comprises an upper metallic band on the upper face and a lower metal band on the lower face, the upper band having a return at each end, the returns being on the lower face.
  • the strapping is made in two parts, which facilitates the construction of the plate, without losing the advantages associated with the wrapping of the plate.
  • the reinforcement means have the form of strapping, none of these means is likely to protrude above the upper face following a possible deformation.
  • the plate is wrapped by the strapping, which allows to strengthen mechanically. Several hoops may be spread across the width of the plate.
  • the return covers at least partially the lower band.
  • the junction between the two parts of the strapping is performed at the overlap, for example by bolting.
  • the upper face is covered by an upper sheet clamped by the reinforcing means.
  • the upper plate distributes the forces better on the plate.
  • the sheet avoids punctual attacks on the wood and the formation of splinters. Even if splinters were formed, they would be held under the sheet, without risk of aggression on the tires of vehicles.
  • the plate comprises an upper rebate along a first edge perpendicular to the alignment direction, a lower rabbet along a second edge parallel to the first edge, the rabbets of two adjacent plates being adapted to nest in recovery.
  • the plate comprises a junction plate fixed on the underside along a edge of the plate perpendicular to the alignment direction so as to protrude beyond the edge.
  • the flat under the junction allows the two adjacent plates to be held together, and avoids the rising of muddy water through the junction when the vehicle passes over the plate.
  • the plate is for example synthetic material such as high density polyethylene (HDPE). This material is adapted by its strength, flexibility and ease of implementation.
  • HDPE high density polyethylene
  • the core of the plates is for example wood, or more particularly oak, or possibly synthetic material.
  • the core of the plates comprises wooden planks juxtaposed according to joints oriented transversely to the alignment direction. This orientation makes it possible to better distribute the load of vehicles traveling on a roadway formed of such plates.
  • the invention also relates to a transportable temporary roadway, made by an assembly of plates as described above, placed edge to edge assembly means establishing the connection of a plate with an adjacent plate.
  • the plates are assembled by means of assembly passing through the plates to the right of rabbets.
  • the assembly means are for example bolts.
  • the plates 1 according to a first embodiment of the invention, represented on the Figures 1 to 3 allow, by alignment in the direction of the road indicated by the double arrow F1 and assembly, to achieve a temporary roadway on all types of terrain, even if the ground is loose.
  • the temporary pavement has a width of between 2.5 and 3.5 meters.
  • Said plates 1 have a length which is a function of ease of manufacture, transport, handling and assembly. The length is of the order of 1.5 to 2.5 meters.
  • the plates comprise a core 11 and an upper plate 12 above the core 11.
  • the sheet 12 is for example steel. Straps are formed by upper bars 14 and lower bars 15. They are evenly distributed over the width of the plate, being oriented in the direction of the F1 roadway.
  • the lower connecting bars 15 are distributed on the lower face 13 of the plate.
  • Bolts 16 connect the bars of a strapping to grip the core 11 of the plate. A large clearance is provided between the bolts and the sheet and the core so as not to create shear stresses on the bolts during the deformation of the plates.
  • the bolts 16 could be replaced by rivets or any other suitable through connection means.
  • the soul 11 is made by the juxtaposition of boards 110 of wood, for example oak, without connection between them.
  • the longitudinal edges 111 of the boards 110 and the direction of the wood fibers are oriented in a direction perpendicular to that of the roadway.
  • the boards at the edge of the plate are exotic wood having less difference in bending strength according to the directions relative to the wood grain than the oak.
  • the edge boards are made of synthetic material.
  • the dimensions of the sheet 12 are narrower than that of the core 11, so as to create on the periphery of the plate a peripheral strip 17 where the core is bare.
  • each strapping comprises the band-shaped lower bar 15 extending along the lower face 13 of the plate over the entire length of the plate.
  • the strapping also comprises the upper bar 14, in the form of a strip, extending on the upper plate 12.
  • the upper bar 14 comprises at each end a return 141, 142 superimposed on the lower bar 15 and enveloping a first edge 17 and a second edge 18 parallel to the first song 17.
  • the returns 141, 142 are held together with the lower bar 15 by assembly means such as bolts 16 passing through the plate 1.
  • the strapping is made for example with metal strips such as steel bands.
  • the edge of the plate along the first edge 17 has an upper rabbet 170 on the side of the upper face of the plate.
  • the edge of the plate along the second edge 18 has a lower rabbet 180 on the side of the lower face 13 of the plate.
  • the strapping follows the contour of the rabbets 170, 180.
  • the core of the thinnest part of the plate, at the rabbet 170, 180, is formed by a plate of synthetic material 112.
  • the plates 1 are assembled to each other to limit horizontal or vertical relative movements during the passage of vehicles.
  • the assembly is of the double rabbet type as shown on the figure 3 .
  • Bolts 2 pass through the assembled plates to the right of rabbets, in holes provided for this purpose.
  • the nut 20 of the bolt 2 is for example welded to the strapping on the underside of the plate.
  • the plate optionally comprises tabs 19, made for example in angle, intended to limit the lateral displacement or sliding of the plate when it is placed on soft ground.
  • a second embodiment of the invention is shown on the Figures 4 to 6 .
  • the plate 2 differs from that of the first embodiment by the absence of rabbets.
  • the plate 2 further comprises a plate 20 fixed under the lower face 21, along one of the edges 22 perpendicular to the alignment direction F1.
  • the plate 20 has grooves 23 at the rim 24 for the passage of the latter. It is made of synthetic material, such as high density polyethylene (HDPE).
  • the plate 20 is fixed by gluing or welding on the core 25, but it could also be fixed, in replacement or in addition, by bolting. In the case of bonding or welding, the core is made at this location of synthetic material.
  • the plates are arranged on edge 26 against edge 22, the edge 26 without plate of a plate being placed on the flat 20 of an adjacent plate. Bolts through the plate and the adjacent plate can finalize the assembly.
  • the invention is not limited to the embodiment which has been described solely by way of example.
  • the lower face may also be provided with a lower plate.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Description

L'invention concerne une chaussée provisoire transportable et des plaques pour réaliser une telle chaussée.The invention relates to a temporary transportable roadway and plates for making such a roadway.

L'accès à des chantiers éloignés des voies de communication est souvent problématique. Pour la construction ou l'entretien de pylônes électriques ou de télécommunication, il est souvent nécessaire d'accéder de manière temporaire sur le lieu avec des engins lourds tels que des camions, des grues ou des engins de terrassement. Il est fréquent de construire une voie temporaire en cailloux après le décapage du terrain pour supprimer la terre végétale. A la fin du chantier, les cailloux sont évacués, puis la terre végétale est remise en place.Access to sites far from the lines of communication is often problematic. For the construction or maintenance of electricity or telecommunication towers, it is often necessary to temporarily access the site with heavy equipment such as trucks, cranes or earthmoving equipment. It is common to build a temporary pebble track after stripping the ground to remove topsoil. At the end of the site, the pebbles are evacuated, then the top soil is put back in place.

On comprend aisément qu'une telle opération laisse des traces visibles pendant une durée importante. De plus, si le terrain est meuble, l'épaisseur de remblai à apporter est importante, ce qui alourdit le coût de l'opération. En outre, les terrains agricoles sont de plus en plus souvent drainés. Or, le passage des engins lourds est susceptible d'écraser les conduites de drainage et de les obturer. Il est quelquefois nécessaire de vérifier l'état des conduites.It is easy to understand that such an operation leaves traces visible for a long time. In addition, if the ground is loose, the thickness of embankment to bring is important, which increases the cost of the operation. In addition, agricultural land is increasingly drained. However, the passage of heavy equipment is likely to crush the drainage pipes and seal them. It is sometimes necessary to check the condition of the pipes.

Une solution a été proposée dans le document FR 2 770 860 grâce à une piste métallique temporaire constituée de l'assemblage de plaques en aluminium. La piste repose directement sur le sol, même si celui-ci est meuble. Lors du passage d'un engin sur la piste, les charges sont réparties sur une large surface, ce qui diminue la contrainte sur le sol et accroît largement sa capacité à supporter les charges. La piste est construite au début du chantier et démontée à la fin de celui-ci. Après le retrait de la piste, il ne subsiste que très peu de traces sur le sol.A solution has been proposed in the document FR 2,770,860 thanks to a temporary metal track consisting of the assembly of aluminum plates. The track rests directly on the ground, even if it is loose. During the passage of a machine on the track, the loads are distributed over a large area, which reduces the stress on the ground and greatly increases its ability to withstand the loads. The track is built at the beginning of the site and dismantled at the end of it. After the withdrawal of the track, there are very few traces on the ground.

Les plaques comportent deux couches de modules ondulés. Les modules d'une même couche sont emboîtés entre eux. Les ondes d'une couche à l'autre sont croisées pour donner de la rigidité à la plaque dans deux directions croisées. Les plaques sont assemblées entre elles par des éclisses.The plates have two layers of modules wavy. The modules of the same layer are nested together. The waves from one layer to the other are crossed to give rigidity to the plate in two crossed directions. The plates are joined together by ribs.

De telles plaques ont l'inconvénient de conserver les déformations qu'elles ont subies ; de plus la charge acceptable est limitée. Leur prix de revient est élevé, ce qui limite leur possibilité d'emploi.Such plates have the disadvantage of preserving the deformations they have undergone; moreover, the acceptable load is limited. Their cost is high, which limits their employment opportunity.

On connaît également des plaques pour la réalisation d'une chaussée par le document FR 2 825 388 . Ces plaques sont constituées d'une âme en planches de bois et de parements en tôle, renforcée par des barres métalliques longitudinales. Ces plaques ont l'avantage d'être souples, et ne conservent pas les déformations qu'elles ont subies. Cependant, les extrémités des barres ou les bords des tôles peuvent subir des déformations locales de manière à faire saillie de la surface de roulement. Ces déformations risquent d'être agressives pour les pneumatiques des véhicules qui circulent sur la chaussée provisoire.Also known plates for the realization of a roadway by the document FR 2,825,388 . These plates consist of a core of wooden planks and sheet metal facings, reinforced by longitudinal metal bars. These plates have the advantage of being flexible, and do not retain the deformations they have suffered. However, the ends of the bars or the edges of the sheets may undergo local deformations so as to protrude from the running surface. These deformations may be aggressive for the tires of vehicles traveling on the temporary roadway.

Le document GB 2 342 945 montre des éléments de construction d'une chaussée provisoire formée par l'assemblage de panneaux extrudés en PVC. De tels éléments sont assemblés par des tiges traversant les panneaux transversalement et par des bandes sur la face supérieure et éventuellement inférieure. Ces bandes présentent le risque, si elles ne sont plus correctement maintenues par des boulons, de faire saillie et d'agresser les pneumatiques de véhicules.The document GB 2 342 945 shows construction elements of a temporary pavement formed by the assembly of extruded PVC panels. Such elements are assembled by rods traversing the panels transversely and by bands on the upper face and possibly lower. These bands present the risk, if they are no longer properly held by bolts, to protrude and attack the tires of vehicles.

Le document US 6,214,428 montre d'autres plaques pour renforcer la tenue d'un sol au passage d'une véhicule, formées par l'assemblage de lames de bois.The document US 6,214,428 shows other plates to strengthen the holding of a floor to the passage of a vehicle, formed by the assembly of wooden boards.

L'invention vise à fournir une chaussée provisoire transportable pouvant supporter des engins ayant des charges importantes, et n'offrant pas de parties agressives en saillie.The invention aims to provide a temporary transportable roadway that can support gear with heavy loads, and does not offer aggressive protruding parts.

Avec ces objectifs en vue, l'invention a pour objet une plaque destinée à former un alignement de plaques similaires dans une direction d'alignement pour former une chaussée provisoire, comportant une âme en matériau élastique en flexion, des moyens de renfort s'étendant longitudinalement dans la direction d'alignement, de part et d'autre de la plaque, respectivement sur une face supérieure et sur une face inférieure. Les moyens de renfort forment au moins un cerclage complet autour de l'âme.With these objectives in view, the subject of the invention is a plate intended to form a similar alignment of plates in an alignment direction to form a temporary pavement, comprising a core of bending elastic material, reinforcing means extending longitudinally in the alignment direction, on both sides of the plate, respectively on an upper face and on a lower face. The reinforcing means form at least one complete hoop around the soul.

Le cerclage complet comporte une bande supérieure métallique sur la face supérieure et une bande inférieure métallique sur la face inférieure, la bande supérieure comportant un retour à chaque extrémité, les retours étant sur la face inférieure. Le cerclage est réalisé en deux parties, ce qui facilite la construction de la plaque, sans perdre les avantages liés à l'enveloppage de la plaque.The complete strapping comprises an upper metallic band on the upper face and a lower metal band on the lower face, the upper band having a return at each end, the returns being on the lower face. The strapping is made in two parts, which facilitates the construction of the plate, without losing the advantages associated with the wrapping of the plate.

Comme les moyens de renfort ont la forme de cerclage, aucune partie de ces moyens n'est susceptible de faire saillie au-dessus de la face supérieure suite à une éventuelle déformation. La plaque est enveloppée par le cerclage, ce qui permet de la renforcer mécaniquement. Plusieurs cerclages peuvent être répartis sur la largeur de la plaque.As the reinforcement means have the form of strapping, none of these means is likely to protrude above the upper face following a possible deformation. The plate is wrapped by the strapping, which allows to strengthen mechanically. Several hoops may be spread across the width of the plate.

Selon une disposition constructive, le retour recouvre au moins partiellement la bande inférieure. La jonction entre les deux parties du cerclage est réalisée au niveau du recouvrement, par exemple par boulonnage.According to a constructive arrangement, the return covers at least partially the lower band. The junction between the two parts of the strapping is performed at the overlap, for example by bolting.

Selon un perfectionnement, la face supérieure est recouverte par une tôle supérieure enserrée par les moyens de renfort. La tôle supérieure permet de répartir mieux les efforts sur la plaque. De plus, dans le cas de d'une âme en bois, la tôle évite des agressions ponctuelles sur le bois et la formation d'esquilles. Même si des esquilles se formaient, elles seraient maintenues sous la tôle, sans risque d'agression sur les pneumatiques de véhicules.According to an improvement, the upper face is covered by an upper sheet clamped by the reinforcing means. The upper plate distributes the forces better on the plate. In addition, in the case of a wooden core, the sheet avoids punctual attacks on the wood and the formation of splinters. Even if splinters were formed, they would be held under the sheet, without risk of aggression on the tires of vehicles.

Selon un autre perfectionnement, la plaque comporte une feuillure supérieure le long d'un premier chant perpendiculaire à la direction d'alignement, une feuillure inférieure le long d'un deuxième chant parallèle au premier chant, les feuillures de deux plaques adjacentes étant aptes à s'emboîter en recouvrement. On réalise ainsi un assemblage du type à mi-bois, appelé aussi assemblage à double feuillure.According to another improvement, the plate comprises an upper rebate along a first edge perpendicular to the alignment direction, a lower rabbet along a second edge parallel to the first edge, the rabbets of two adjacent plates being adapted to nest in recovery. This produces a mid-wood type assembly, also called double-rabbet assembly.

Selon un autre perfectionnement, la plaque comporte un plat de jonction fixé sur la face inférieure le long d'un chant de la plaque perpendiculaire à la direction d'alignement de manière à faire saillie au-delà du chant. Le plat sous la jonction permet le maintien ensemble des deux plaques adjacentes, et évite la remontée d'eau boueuse à travers la jonction lors du passage de véhicule sur la plaque.According to another improvement, the plate comprises a junction plate fixed on the underside along a edge of the plate perpendicular to the alignment direction so as to protrude beyond the edge. The flat under the junction allows the two adjacent plates to be held together, and avoids the rising of muddy water through the junction when the vehicle passes over the plate.

Le plat est par exemple en matière synthétique tel que du polyéthylène à haute densité (PEHD). Cette matière est adaptée par sa résistance, sa souplesse et sa facilité de mise en oeuvre.The plate is for example synthetic material such as high density polyethylene (HDPE). This material is adapted by its strength, flexibility and ease of implementation.

L'âme des plaques est par exemple en bois, ou plus particulièrement en chêne, ou éventuellement en matériau synthétique.The core of the plates is for example wood, or more particularly oak, or possibly synthetic material.

De manière particulière, l'âme des plaques comporte des planches de bois juxtaposées selon des joints orientés transversalement par rapport à la direction d'alignement. Cette orientation permet de mieux répartir la charge des véhicules qui circulent sur une chaussée formée de telles plaques.In particular, the core of the plates comprises wooden planks juxtaposed according to joints oriented transversely to the alignment direction. This orientation makes it possible to better distribute the load of vehicles traveling on a roadway formed of such plates.

L'invention a aussi pour objet une chaussée provisoire transportable, réalisée par un assemblage de plaques telles que décrites précédemment, placées bord à bord, des moyens d'assemblage établissant la liaison d'une plaque avec une plaque adjacente.The invention also relates to a transportable temporary roadway, made by an assembly of plates as described above, placed edge to edge assembly means establishing the connection of a plate with an adjacent plate.

Dans le cas de plaques comportant des feuillures, les plaques sont assemblées par des moyens d'assemblage traversant les plaques au droit des feuillures. Les moyens d'assemblage sont par exemple des boulons.In the case of plates having rabbets, the plates are assembled by means of assembly passing through the plates to the right of rabbets. The assembly means are for example bolts.

L'invention sera mieux comprise et d'autres particularités et avantages apparaîtront à la lecture de la description qui va suivre, la description faisant référence aux dessins annexés parmi lesquels :

  • la figure 1 est une vue de dessus d'une plaque selon un premier mode de réalisation de l'invention ;
  • la figure 2 est une vue en coupe selon la ligne II-II de la figure 1 ;
  • la figure 3 est une vue de détail de l'assemblage de deux plaques entre elles
  • la figure 4 est une vue de dessus d'une plaque selon un deuxième mode de réalisation de l'invention ;
  • la figure 5 est une vue en coupe selon la ligne V-V de la figure 4 ;
  • la figure 6 est une vue en coupe selon la ligne VI-VI de la figure 4.
The invention will be better understood and other features and advantages will appear on reading the description which follows, the description referring to the appended drawings among which:
  • the figure 1 is a top view of a plate according to a first embodiment of the invention;
  • the figure 2 is a sectional view along line II-II of the figure 1 ;
  • the figure 3 is a detailed view of the assembly of two plates between them
  • the figure 4 is a top view of a plate according to a second embodiment of the invention;
  • the figure 5 is a sectional view along line VV of the figure 4 ;
  • the figure 6 is a sectional view along the line VI-VI of the figure 4 .

Les plaques 1 selon un premier mode de réalisation de l'invention, représentées sur les figures 1 à 3 permettent, par alignement dans la direction de la chaussée indiquée par la double flèche F1 et par assemblage, de réaliser une chaussée provisoire sur des terrains de toutes natures, même si le terrain est meuble. A titre indicatif, la chaussée provisoire a une largeur comprise entre 2,5 et 3,5 mètres. Lesdites plaques 1 ont une longueur qui est fonction des facilités de réalisation, de transport, de manutention et de montage. La longueur est de l'ordre de 1,5 à 2,5 mètres.The plates 1 according to a first embodiment of the invention, represented on the Figures 1 to 3 allow, by alignment in the direction of the road indicated by the double arrow F1 and assembly, to achieve a temporary roadway on all types of terrain, even if the ground is loose. As an indication, the temporary pavement has a width of between 2.5 and 3.5 meters. Said plates 1 have a length which is a function of ease of manufacture, transport, handling and assembly. The length is of the order of 1.5 to 2.5 meters.

Les plaques comportent une âme 11 et une tôle supérieure 12 au-dessus de l'âme 11. La tôle 12 est par exemple en acier. Des cerclages sont formés par des barres supérieures 14 et des barres inférieures 15. Ils sont répartis régulièrement sur la largeur de la plaque, en étant orientés dans la direction de la chaussée F1. Les barres de liaison inférieures 15 sont réparties sur la face inférieure 13 de la plaque. Des boulons 16 relient les barres d'un cerclage pour enserrer l'âme 11 de la plaque. Un jeu important est prévu entre les boulons et la tôle ainsi que l'âme pour ne pas créer de contraintes de cisaillement sur les boulons lors de la déformation des plaques. Les boulons 16 pourraient être remplacés par des rivets ou tout autre moyen de liaison traversant adapté.The plates comprise a core 11 and an upper plate 12 above the core 11. The sheet 12 is for example steel. Straps are formed by upper bars 14 and lower bars 15. They are evenly distributed over the width of the plate, being oriented in the direction of the F1 roadway. The lower connecting bars 15 are distributed on the lower face 13 of the plate. Bolts 16 connect the bars of a strapping to grip the core 11 of the plate. A large clearance is provided between the bolts and the sheet and the core so as not to create shear stresses on the bolts during the deformation of the plates. The bolts 16 could be replaced by rivets or any other suitable through connection means.

L'âme 11 est réalisée par la juxtaposition de planches 110 en bois, par exemple en chêne, sans liaison entre elles. Les chants longitudinaux 111 des planches 110 ainsi que la direction des fibres du bois sont orientés dans une direction perpendiculaire à celle de la chaussée. Eventuellement, les planches en bordure de la plaque sont en bois exotique ayant moins de différence de résistance en flexion selon les directions par rapport au fil du bois que le chêne. Selon une autre variante, les planches en bordure sont en matière synthétique.The soul 11 is made by the juxtaposition of boards 110 of wood, for example oak, without connection between them. The longitudinal edges 111 of the boards 110 and the direction of the wood fibers are oriented in a direction perpendicular to that of the roadway. Optionally, the boards at the edge of the plate are exotic wood having less difference in bending strength according to the directions relative to the wood grain than the oak. According to another variant, the edge boards are made of synthetic material.

Comme on le voit sur la figure 1, les dimensions de la tôle 12 sont plus étroites que celle de l'âme 11, de manière à créer sur la périphérie de la plaque une bande périphérique 17 où l'âme est nue.As we see on the figure 1 , the dimensions of the sheet 12 are narrower than that of the core 11, so as to create on the periphery of the plate a peripheral strip 17 where the core is bare.

Comme on le voit en particulier sur la figure 2, chaque cerclage comporte la barre inférieure 15, en forme de bande, s'étendant le long de la face inférieure 13 de la plaque sur toute la longueur de la plaque. Le cerclage comporte également la barre supérieure 14, en forme de bande, s'étendant sur la tôle supérieure 12. La barre supérieure 14 comporte à chaque extrémité un retour 141, 142 superposé à la barre inférieure 15 et enveloppant un premier chant 17 et un deuxième chant 18 parallèle au premier chant 17. Les retours 141, 142 sont maintenus assemblés avec la barre inférieure 15 par des moyens d'assemblage tels que des boulons 16 traversant la plaque 1. Le cerclage est réalisé par exemple avec des bandes métalliques telles que des bandes en acier.As we see in particular on the figure 2 each strapping comprises the band-shaped lower bar 15 extending along the lower face 13 of the plate over the entire length of the plate. The strapping also comprises the upper bar 14, in the form of a strip, extending on the upper plate 12. The upper bar 14 comprises at each end a return 141, 142 superimposed on the lower bar 15 and enveloping a first edge 17 and a second edge 18 parallel to the first song 17. The returns 141, 142 are held together with the lower bar 15 by assembly means such as bolts 16 passing through the plate 1. The strapping is made for example with metal strips such as steel bands.

Le bord de la plaque le long du premier chant 17 comporte une feuillure supérieure 170 du côté de la face supérieure de la plaque. Le bord de la plaque le long du deuxième chant 18 comporte une feuillure inférieure 180 du côté de la face inférieure 13 de la plaque. Les cerclages suivent le contour des feuillures 170, 180. L'âme de la partie la moins épaisse de la plaque, au niveau de la feuillure 170, 180, est réalisée par une plaque en matière synthétique 112.The edge of the plate along the first edge 17 has an upper rabbet 170 on the side of the upper face of the plate. The edge of the plate along the second edge 18 has a lower rabbet 180 on the side of the lower face 13 of the plate. The strapping follows the contour of the rabbets 170, 180. The core of the thinnest part of the plate, at the rabbet 170, 180, is formed by a plate of synthetic material 112.

Les plaques 1 sont assemblées les unes aux autres pour limiter les mouvements relatifs horizontaux ou verticaux lors du passage des véhicules. L'assemblage est du type à double feuillure tel que montré sur la figure 3. Des boulons 2 traversent les plaques assemblées au droit des feuillures, dans des trous prévus à cet effet. L'écrou 20 du boulon 2 est par exemple soudé sur le cerclage en face inférieure de la plaque.The plates 1 are assembled to each other to limit horizontal or vertical relative movements during the passage of vehicles. The assembly is of the double rabbet type as shown on the figure 3 . Bolts 2 pass through the assembled plates to the right of rabbets, in holes provided for this purpose. The nut 20 of the bolt 2 is for example welded to the strapping on the underside of the plate.

La plaque comporte éventuellement des taquets 19, réalisés par exemple en cornière, destinés à limiter le déplacement latéral ou le glissement de la plaque lorsqu'elle est posée sur un sol meuble.The plate optionally comprises tabs 19, made for example in angle, intended to limit the lateral displacement or sliding of the plate when it is placed on soft ground.

Un deuxième mode de réalisation de l'invention est représenté sur les figures 4 à 6. Dans ce mode de réalisation, la plaque 2 diffère de celle du premier mode de réalisation par l'absence de feuillures. La plaque 2 comporte en outre un plat 20 fixé sous la face inférieure 21, le long de l'un des chants 22 perpendiculaires à la direction d'alignement F1. Le plat 20 comporte des rainures 23 au droit des cerclages 24 pour le passage de ces derniers. Il est réalisé en matière synthétique, tel que du polyéthylène à haute densité (PEHD). Le plat 20 est fixé par collage ou soudure sur l'âme 25, mais il pourrait aussi être fixé, en remplacement ou en complément, par boulonnage. Dans le cas du collage ou de la soudure, l'âme est réalisée à cet endroit en matière synthétique.A second embodiment of the invention is shown on the Figures 4 to 6 . In this embodiment, the plate 2 differs from that of the first embodiment by the absence of rabbets. The plate 2 further comprises a plate 20 fixed under the lower face 21, along one of the edges 22 perpendicular to the alignment direction F1. The plate 20 has grooves 23 at the rim 24 for the passage of the latter. It is made of synthetic material, such as high density polyethylene (HDPE). The plate 20 is fixed by gluing or welding on the core 25, but it could also be fixed, in replacement or in addition, by bolting. In the case of bonding or welding, the core is made at this location of synthetic material.

Pour former une chaussée, les plaques sont disposées chant 26 contre chant 22, le chant 26 sans plat d'une plaque étant placé sur le plat 20 d'une plaque adjacente. Des boulons traversant le plat et la plaque adjacente permettent de finaliser l'assemblage.To form a pavement, the plates are arranged on edge 26 against edge 22, the edge 26 without plate of a plate being placed on the flat 20 of an adjacent plate. Bolts through the plate and the adjacent plate can finalize the assembly.

L'invention n'est pas limitée au mode de réalisation qui a été décrit uniquement à titre d'exemple. La face inférieure pourra aussi être munie d'une tôle inférieure.The invention is not limited to the embodiment which has been described solely by way of example. The lower face may also be provided with a lower plate.

Claims (10)

  1. Plate intended to form an alignment of similar plates in an alignment direction (F1) in order to form a temporary roadway, comprising a core (11) made from a material that is elastic in flexion, reinforcement means (14, 15) extending longitudinally in the alignment direction, on either side of the plate (1), respectively on a top face and on a bottom face (13), the reinforcement means (14, 15) forming at least one complete hooping around the core (11), the complete hooping comprising an upper metal band (14) on the top face and a lower metal band (15) on the bottom face (13), characterised in that the upper band comprises a return (141, 142) at each end, the returns (141, 142) being on the bottom face (13), the upper band (14) and the returns (141, 142) being in a single piece.
  2. Plate according to claim 1, in which the return (141, 142) at least partially covers the lower band (14).
  3. Plate according to claim 2, in which the top face is covered by a top metal sheet (12) gripped by the reinforcement means (14).
  4. Plate according to claim 1, characterised in that it comprises a top rebate (170) along a first edge (17) of the plate perpendicular to the alignment direction, a bottom rebate (180) along a second edge (18) of the plate parallel to the first edge (17), the rebates (170, 180) of two adjacent plates being able to fit together overlapping.
  5. Plate according to claim 1, characterised in that it comprises a junction flat (20) fixed to the bottom face (21) along an edge (22) of the plate perpendicular to the alignment direction so as to project beyond the edge (22).
  6. Plate according to claim 5, in which the flat (20) is made from synthetic material.
  7. Plate according to claim 1, characterised in that the core (11) of the plates is made from wood, preferably oak, or synthetic material.
  8. Plate according to claim 7, characterised in that the core (11) of the plates comprises planks (110) of wood juxtaposed along joints (111) oriented transversely with respect to the alignment direction (F1).
  9. Transportable temporary roadway, characterised in that it is produced by an assembly of plates (1) according to claim 1 placed edge to edge, assembly means (2) establishing the connection of one plate with an adjacent plate.
  10. Roadway according to claim 9, formed by the assembly of plates according to claim 4, the plates being assembled by assembly means (2) passing through the plates (1) in line with the rebates (170, 180).
EP20070106009 2006-04-12 2007-04-12 Transportable provisional road surface and plates for making said road surface. Not-in-force EP1845195B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0603218A FR2899908B1 (en) 2006-04-12 2006-04-12 TRANSPORTABLE PROVISIONAL LANDING AND PLATES FOR CARRYING OUT SUCH A ROAD

Publications (3)

Publication Number Publication Date
EP1845195A2 EP1845195A2 (en) 2007-10-17
EP1845195A3 EP1845195A3 (en) 2007-10-24
EP1845195B1 true EP1845195B1 (en) 2013-05-22

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EP20070106009 Not-in-force EP1845195B1 (en) 2006-04-12 2007-04-12 Transportable provisional road surface and plates for making said road surface.

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EP (1) EP1845195B1 (en)
FR (1) FR2899908B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012008187B4 (en) * 2012-04-26 2014-04-03 Daniel Broghammer installation plate
CA2818806A1 (en) 2012-11-20 2014-05-20 Everest Plastik Inc. Connector assembly for modular ground covering panels
US9735510B2 (en) 2013-10-09 2017-08-15 Newpark Mats & Integrated Services Llc Apparatus and methods for electrically grounding at least one mat in a load-supporting surface
US10577753B2 (en) 2015-08-03 2020-03-03 Sterling Site Access Solutions, Llc Crane mat and method of manufacture
PE20180846A1 (en) 2015-08-27 2018-05-16 Newpark Mats And Integrated Services Llc APPARATUS AND METHODS FOR ELECTRICALLY LANDING AT LEAST ONE MAT ON A LOAD SUPPORT SURFACE
USD794225S1 (en) 2016-01-15 2017-08-08 670988 Nb Inc. Modular ground covering panel
USD850662S1 (en) 2017-03-31 2019-06-04 670988 Nb Inc. Berm containment device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1935823A (en) * 1931-09-11 1933-11-21 William J Turner Pavement
GB1482748A (en) * 1973-11-16 1977-08-10 Obrien James Edward Ground mats
US6214428B1 (en) * 1998-05-14 2001-04-10 Kenneth E. Henderson Laminated support mat
GB2342375A (en) * 1998-10-06 2000-04-12 L H Woodhouse & Co Ltd A roadway, hardstand, floor or fence.
FR2825388A1 (en) * 2001-05-30 2002-12-06 Christian Deforges Panel for temporary road surface, comprises flexible material core between upper and lower metal sheets

Also Published As

Publication number Publication date
FR2899908A1 (en) 2007-10-19
EP1845195A2 (en) 2007-10-17
EP1845195A3 (en) 2007-10-24
FR2899908B1 (en) 2013-09-20

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