EP1217126B1 - Railway track for guided vehicle and apparatus comprising such a track - Google Patents

Railway track for guided vehicle and apparatus comprising such a track Download PDF

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Publication number
EP1217126B1
EP1217126B1 EP01403011A EP01403011A EP1217126B1 EP 1217126 B1 EP1217126 B1 EP 1217126B1 EP 01403011 A EP01403011 A EP 01403011A EP 01403011 A EP01403011 A EP 01403011A EP 1217126 B1 EP1217126 B1 EP 1217126B1
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EP
European Patent Office
Prior art keywords
rail
railroad track
track according
resin
slab
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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.)
Expired - Lifetime
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EP01403011A
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German (de)
French (fr)
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EP1217126A1 (en
Inventor
Jean Ehrsam
Jacques Malod-Panisset
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Vossloh Infrastructure Services
Alstom Transport SA
Original Assignee
VOSSLOH INFRASTRUCTURE SERVICE
Vossloh Infrastructure Services
Alstom Transport SA
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Publication of EP1217126A1 publication Critical patent/EP1217126A1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B21/00—Track superstructure adapted for tramways in paved streets
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/02—Rails
    • E01B5/04—Grooved rails
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/11—Embedded tracks, using prefab elements or injecting or pouring a curable material

Definitions

  • the present invention relates to a railroad track for guided vehicle. It applies in particular to railways for trams. It also concerns a corresponding switchgear.
  • the invention relates to a track rail for guided vehicle comprising a support concrete and at least one pair of grooved rails integral with the support, each rail being at least in part inserted in a cut-out longitudinally in the support and being embedded in a fixing resin projecting laterally on each side of the rail, each rail being provided with a shoe, a core, a mushroom which defines a rolling surface and a bib which defines with the mushroom said groove, the vehicle comprising wheels rolling by a tread on the running surface, the rail being in continuous support in the channel.
  • a railroad track is known from document WO-A-9 110 778.
  • the cost reduction is generally obtained in reducing the installation height, while reducing noise pollution can be obtained, in particular, by reducing vibration nuisance.
  • the first technique consists in making tracks on ballast.
  • the rails rest on concrete or wooden sleepers and are fixed by through elastic fasteners.
  • Another known technique consists in laying the rails on saddles themselves anchored in a slab of concrete, possibly placed on a raft with interposition of an optional layer of material absorbent.
  • This technique allows the creation of a track with a reduced earth depth.
  • a last widely used technique consists of making the tracks from type rails Vine or throat drowned in resin and inserted into an engraving arranged longitudinally in a support consisting of a concrete slab itself deposited on a raft.
  • Damping or elastic stages made at from elastic material (s) can possibly be deposited under the rail.
  • This technique allows the realization of tracks having good vibration absorption capacities and sound, good resistance to dynamic forces and an undemanding interview.
  • the object of the invention is to overcome these disadvantages and providing a railroad track for vehicle economic guide to install, requiring little maintenance and able to absorb vibrations effectively generated during the passage of a railway convoy.
  • each rail has a height less than 100 mm, this height being less than 70% of the width of the rail, the fixing resin constituting said continuous support.
  • the invention also relates to an apparatus for track incorporating a railway track as defined above.
  • Figure 1 there is shown a sectional view cross section of a section of track according to the state of the technique.
  • this path is essentially consisting of a concrete slab 10 supporting a yoke 12, also made of concrete, in which are provided with engravings 14 each filled a resin in which is embedded a line of rails 16 by throat.
  • Adjustment shims such as 18, made of hardened resin, are evenly distributed in the bottom Engraving 14 to form bearing surfaces on which the rails 16 rest.
  • the grooved rail 16 used in this type of track known as inertial rail, has a height between 150 and 180mm.
  • the height of the concrete slab is generally around 250mm, the overall height of the platform generally exceeds 400mm.
  • the railway track essentially has a concrete slab 22 pouring on a clean concrete platform 24 and on which are fixed one or more pairs of lines grooved rails 26, 28.
  • the concrete slab 22 is provided, for each row of rails 26 and 28, with a engraving 30 delimited laterally by two shoulders 32 and 34 erected from the upper surface of the slab 22.
  • the rails 26 and 28 consist of a succession of rails 36 welded, low rail type or non-inertial.
  • each rail 36 has a height H less than 100mm, and a width L, the height H being less than 70% of the width L.
  • the height H is substantially equal to 85mm, the width total L being substantially equal to 130mm.
  • the rail 36 is also configured so as to obtain a cross-sectional cross-sectional area substantially equal to 6400 mm 2 , that is to say an area substantially equal to that of an inertial rail, of higher height, so to efficiently drive the return currents from a railway convoy.
  • the rail 36 has, in the lower part, a shoe P, in the middle part a core A provided with surfaces mutually opposite sides of concave shape, outwardly concavity, and in part upper, a mushroom C and a bib B which delimit between them a groove G intended to receive the rail wheel stud.
  • the fungus C delimits, in part upper, a rolling surface R intended for receive the wheel tread.
  • the engraving 30 and, in particular, the shoulders 32 and 34 are shaped so that it can withstand the stresses applied vertically and transversely when passage of a railway convoy.
  • the rail 36 is continuously supported by through its pad P on a bottom 31 of engraving 30.
  • the entire rail 36 is embedded in a fixing resin 38.
  • This resin is chosen so that it is capable of absorbing the vibrations generated during passage of a railway convoy on rail 36.
  • the resin 38 consists of a two-component resin filled with cork, such as resin known as Corkelast®.
  • the resin of attachment 38 extends laterally on one of the shoulders, namely the shoulder 32 located on the side of the fungus C.
  • the resin overflows on this shoulder according to a first thickness e1 of the order of 50mm.
  • the second thickness e2 of resin is less than the first thickness el. It is for example of the order from 25mm to 30mm.
  • angles 40 and 42 fixed on the upper surface of the shoulders 32 and 34, delimit between them a receptacle for the resin filling the engraving.
  • Engraving 30 and the receptacle filled with resin reflect the shape of the rail 36 and each have a lower height than their width.
  • angles 40 and 42 also constitute a separating partition for coating the track and, in particular the slab of concrete 22, a layer of coating material.
  • this coating can be constituted by a paved covering 44 covering the entire upper surface of the concrete slab 22 as well as the shoulders 32 and 34. Thus, only the rails 26, 28 and the resin 38 are visible from the outside.
  • the first thickness e1 of 50 mm is sufficient so that the wheel tread extends beyond overhang of the resin zone but never overhang of the paved covering. So when the rail is worn out by the wheel arch, the tread table will bite into the resin area but will not damage said coating.
  • the coating may consist of a layer 45 of bituminous coating covering the entire surface upper of concrete slab 22 as well as shoulders 32 and 34.
  • the concrete constituting the slab 22 is poured on a wire mesh to improve the resistance of the slab to the mechanical forces generated during the passage of a railway convoy.
  • the shoulders are also provided with such a reinforcement metallic (metallic angles).
  • Such reinforcement allows the shoulders to support effectively the lateral forces subjected to the shoulders when passing a vehicle, especially in a curve.
  • This track can therefore be easily installed in all types of urban sites.
  • the engraving is bounded by two shoulders erected from the concrete slab.
  • angles are adapted for withstand the lateral forces generated during the passage of a railway vehicle.
  • the railway according to the invention allows relatively easy replacement of a rail.
  • Rail replacement can therefore be carried out without intervention on the surface coating.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Road Paving Structures (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Connection Of Plates (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Handcart (AREA)

Abstract

The rail track comprises a concrete support (22) and a pair of grooved rail lines (26,28) integral with the support. Each rail is inserted in one part in a longitudinal cut (30) in the support and embedded in a fixing resin.

Description

La présente invention se rapporte à une voie ferrée pour véhicule guidé. Elle s'applique en particulier aux voies ferrées pour tramways. Elle concerne également un appareil de voie correspondant.The present invention relates to a railroad track for guided vehicle. It applies in particular to railways for trams. It also concerns a corresponding switchgear.

Plus particulièrement, l'invention concerne une voie ferrée pour véhicule guidé comprenant un support en béton et au moins une paire de files de rails à gorge solidaires du support, chaque rail étant au moins en partie inséré dans une engravure ménagée longitudinalement dans le support et étant noyé dans une résine de fixation débordant latéralement de chaque côté du rail, chaque rail étant pourvu d'un patin, d'une âme, d'un champignon qui délimite une surface de roulement et d'une bavette qui délimite avec le champignon ladite gorge, le véhicule comprenant des roues roulant par une table de roulement sur la surface de roulement, le rail étant en appui continu dans l'engravure. Une telle voie ferrée est connue du document WO-A-9 110 778.More particularly, the invention relates to a track rail for guided vehicle comprising a support concrete and at least one pair of grooved rails integral with the support, each rail being at least in part inserted in a cut-out longitudinally in the support and being embedded in a fixing resin projecting laterally on each side of the rail, each rail being provided with a shoe, a core, a mushroom which defines a rolling surface and a bib which defines with the mushroom said groove, the vehicle comprising wheels rolling by a tread on the running surface, the rail being in continuous support in the channel. Such a railroad track is known from document WO-A-9 110 778.

Parmi les préoccupations constantes des industriels responsables de l'installation de voies ferrées pour tramway, la diminution du coût et la réduction des nuisances sonores constituent des objectifs majeurs.Among the constant concerns of industrialists responsible for the installation of railways for reducing the cost and reducing the noise pollution are major objectives.

La réduction du coût s'obtient généralement en diminuant la hauteur de pose, tandis que la réduction des nuisances sonores peut être obtenue, notamment, en diminuant les nuisances vibratoires.The cost reduction is generally obtained in reducing the installation height, while reducing noise pollution can be obtained, in particular, by reducing vibration nuisance.

A cet effet, différentes techniques sont actuellement mises en oeuvre pour l'installation de voies ferrées.To this end, different techniques are currently being implemented for the installation of tracks railway.

La première technique consiste à réaliser des voies sur ballast. Selon cette technique, les rails reposent sur des traverses en béton ou en bois et sont fixés par l'intermédiaire d'attaches élastiques.The first technique consists in making tracks on ballast. According to this technique, the rails rest on concrete or wooden sleepers and are fixed by through elastic fasteners.

Cette technique, qui est très largement répandue, permet de réduire considérablement les vibrations engendrées lors du passage d'un convoi ferroviaire. Elle nécessite cependant un entretien important et n'est pas adaptée pour la réalisation d'une voie capable de recevoir un revêtement de surface rigide, ce qui nuit à l'esthétisme de l'ouvrage, dans la mesure où les traverses restent apparentes.This technique, which is very widespread, considerably reduces vibrations generated during the passage of a railway convoy. She however requires significant maintenance and is not suitable for the creation of a track capable of receive a rigid surface coating, which affects the aesthetics of the work, insofar as the sleepers remain visible.

D'autres techniques consistent à poser des rails sur des traverses en béton elles-mêmes noyées dans un support en béton. Ces techniques sont d'une mise en oeuvre relativement économique et de moindre entretien. Elles permettent en outre la réalisation d'une voie de rigidité accrue et capable de recevoir tous types de revêtement.Other techniques include laying rails on concrete sleepers themselves embedded in a support concrete. These techniques are of an implementation relatively economical and low maintenance. They also allow the creation of a stiffness path increased and capable of receiving all types of coating.

Elles présentent cependant un inconvénient majeur, relatif au fait que les perturbations vibratoires et sonores sont peu amorties.However, they have a major drawback, relating to the fact that the vibrational disturbances and have little dampening.

Pour pallier cet inconvénient, on a tenté d'associer aux traverses des matériaux absorbants. Cependant, cette solution engendre un surcoût important ainsi qu'une augmentation consécutive de la hauteur de pose.To overcome this drawback, we tried to associate at the sleepers of absorbent materials. However, this solution generates a significant additional cost as well as consecutive increase in the installation height.

Une autre technique connue consiste à poser les rails sur des selles elles-mêmes ancrées dans une dalle de béton, éventuellement posée sur un radier avec interposition d'une couche optionnelle de matériau absorbant.Another known technique consists in laying the rails on saddles themselves anchored in a slab of concrete, possibly placed on a raft with interposition of an optional layer of material absorbent.

Cette technique permet la réalisation d'une voie avec une profondeur de terrassement réduite.This technique allows the creation of a track with a reduced earth depth.

Elle est cependant particulièrement délicate à mettre en oeuvre et est peu économique dans le cas où l'on intercale une couche de matériau absorbant entre la dalle de béton et le radier.It is however particularly delicate to to implement and is not very economical in the case where one interleaves a layer of absorbent material between the slab of concrete and write it off.

Enfin, une dernière technique largement répandue consiste à réaliser les voies à partir de rails de type Vignole ou à gorge noyés dans une résine et insérés dans une engravure ménagée longitudinalement dans un support constitué par une dalle en béton elle-même déposée sur un radier.Finally, a last widely used technique consists of making the tracks from type rails Vine or throat drowned in resin and inserted into an engraving arranged longitudinally in a support consisting of a concrete slab itself deposited on a raft.

Des étages amortisseurs ou élastiques réalisés à partir de matériau(x) élastique(s) peuvent éventuellement être déposés sous le rail.Damping or elastic stages made at from elastic material (s) can possibly be deposited under the rail.

Cette technique permet la réalisation de voies présentant de bonnes capacités d'absorption vibratoires et sonores, une bonne résistance aux efforts dynamiques et un entretien peu contraignant.This technique allows the realization of tracks having good vibration absorption capacities and sound, good resistance to dynamic forces and an undemanding interview.

Elle présente cependant un inconvénient majeur, relatif à son coût, dans la mesure où la hauteur relativement importante des rails de type Vignole ou à gorge nécessite d'utiliser une grande quantité de matière première.However, it has a major drawback, relative to its cost, insofar as the height relatively large Vignole type rails or throat requires the use of a large amount of material first.

Le but de l'invention est de pallier ces inconvénients et de fournir une voie ferrée pour véhicule guidé économique à installer, nécessitant peu d'entretien et capable d'absorber efficacement les vibrations engendrées lors du passage d'un convoi ferroviaire.The object of the invention is to overcome these disadvantages and providing a railroad track for vehicle economic guide to install, requiring little maintenance and able to absorb vibrations effectively generated during the passage of a railway convoy.

Elle a donc pour objet une voie ferrée telle que mentionnée en préambule de la revendication 1 annexée, caractérisée en ce que chaque rail présente une hauteur inférieure à 100 mm, cette hauteur étant inférieure à 70% de la largeur du rail, la résine de fixation constituant ledit appui continu.Its object is therefore a railway as mentioned in the preamble to the appended claim 1, characterized in that each rail has a height less than 100 mm, this height being less than 70% of the width of the rail, the fixing resin constituting said continuous support.

On réduit ainsi considérablement la hauteur de pose, ce qui permet de diminuer la quantité des matières premières utilisées.This considerably reduces the installation height, which reduces the amount of materials first used.

La voie ferrée selon l'invention peut également comporter une ou plusieurs des caractéristiques suivantes :

  • la résine déborde d'une première épaisseur latérale côté champignon et d'une seconde épaisseur latérale côté bavette, la première épaisseur côté champignon étant supérieure à la seconde épaisseur côté bavette ;
  • la largeur de la surface de roulement de chaque rail et la première épaisseur latérale sont choisies pour que la table de roulement des roues déborde latéralement de la surface de roulement en surplomb de la résine côté champignon mais pas au-delà de la zone de résine,
  • le champignon et la bavette s'étendent au moins partiellement en saillie à partir de l'engravure,
  • l'âme est pourvue de deux surfaces latérales concaves, le patin s'étendant latéralement en saillie à partir de l'âme ;
  • le support est constitué par une dalle de béton, chaque engravure étant délimitée par au moins un épaulement en saillie à partir de la surface supérieure de la dalle ;
  • chaque épaulement porte au moins une cornière dressée à partir de la surface supérieure de l'épaulement et délimitant d'une part, conjointement avec le reste de l'engravure et avec une cornière correspondante, un réceptacle pour la résine de fixation et, d'autre part, une cloison de séparation pour un revêtement recouvrant la dalle de béton ;
  • la dalle est pourvue d'un treillis métallique noyé dans le béton ;
  • les cornières sont fixées sur la dalle ;
  • la résine de fixation est constituée par une résine bi-composants chargée en liège ;
  • la largeur de la surface de roulement est sensiblement égale à 56,2mm, la première épaisseur latérale de la résine de fixation côté champignon étant sensiblement égale à 50mm.
  • la largeur totale de chaque rail est sensiblement égale à 130mm, et leur hauteur maximale est sensiblement égale à 85mm, la surface de la section du rail, en coupe transversale, étant sensiblement égale à environ 6400 mm2 ;
The railroad track according to the invention can also include one or more of the following characteristics:
  • the resin overflows with a first lateral thickness on the mushroom side and a second lateral thickness on the flap side, the first thickness on the mushroom side being greater than the second thickness on the flap side;
  • the width of the running surface of each rail and the first lateral thickness are chosen so that the wheel tread extends laterally from the running surface overhanging the resin on the mushroom side but not beyond the resin zone,
  • the mushroom and the flap extend at least partially projecting from the engraving,
  • the core is provided with two concave lateral surfaces, the shoe extending laterally projecting from the core;
  • the support consists of a concrete slab, each groove being delimited by at least one shoulder projecting from the upper surface of the slab;
  • each shoulder carries at least one angle erected from the upper surface of the shoulder and delimiting on the one hand, jointly with the rest of the engraving and with a corresponding angle, a receptacle for the fixing resin and, on the other hand, a partition for a covering covering the concrete slab;
  • the slab is provided with a wire mesh embedded in the concrete;
  • the angles are fixed on the slab;
  • the fixing resin consists of a two-component resin loaded with cork;
  • the width of the rolling surface is substantially equal to 56.2mm, the first lateral thickness of the fixing resin on the mushroom side being substantially equal to 50mm.
  • the total width of each rail is substantially equal to 130mm, and their maximum height is substantially equal to 85mm, the surface of the section of the rail, in cross section, being substantially equal to approximately 6400 mm 2 ;

L'invention a également pour objet un appareil de voie incorporant une voie ferrée telle que définie ci-dessus.The invention also relates to an apparatus for track incorporating a railway track as defined above.

D'autres buts, caractéristiques et avantages de l'invention ressortissant de la description suivante, donnée uniquement à titre d'exemple, et faite en référence aux dessins annexés sur lesquels :

  • la figure 1 est une vue en coupe transversale d'une portion de voie selon l'état de la technique, considérée au niveau de l'une des files de rails ;
  • la figure 2 est une vue en coupe d'une voie ferrée conforme à l'invention ;
  • la figure 3 est une vue de détail de la voie de la figure 2 ;
  • la figure 4 est une vue en coupe transversale d'un rail de la voie ferrée des figures 2 et 3 ;
  • la figure 5 illustre un exemple d'implantation d'une voie ferrée conforme à l'invention ; et
  • la figure 6 montre un autre exemple d'implantation d'une voie ferrée conforme à l'invention
Other objects, characteristics and advantages of the invention appearing from the following description, given solely by way of example, and made with reference to the appended drawings in which:
  • Figure 1 is a cross-sectional view of a portion of track according to the prior art, considered at one of the rows of rails;
  • Figure 2 is a sectional view of a railroad track according to the invention;
  • Figure 3 is a detail view of the path of Figure 2;
  • Figure 4 is a cross-sectional view of a rail of the railway of Figures 2 and 3;
  • FIG. 5 illustrates an example of layout of a railroad track according to the invention; and
  • Figure 6 shows another example of layout of a railroad track according to the invention

Sur la figure 1 on a représenté une vue en coupe transversale d'une portion de voie ferrée selon l'état de la technique.In Figure 1 there is shown a sectional view cross section of a section of track according to the state of the technique.

Comme on voit sur cette figure, cette voie est essentiellement constituée d'une dalle de béton 10 supportant une chape 12, également en béton, dans laquelle sont ménagées des engravures 14 emplies chacune d'une résine dans laquelle est noyée une file de rails 16 à gorge.As we can see in this figure, this path is essentially consisting of a concrete slab 10 supporting a yoke 12, also made of concrete, in which are provided with engravings 14 each filled a resin in which is embedded a line of rails 16 by throat.

Des cales de réglage, tels que 18, réalisées en résine durcie, sont régulièrement réparties dans le fond de l'engravure 14 pour constituer des surfaces d'appui sur lesquelles reposent les rails 16.Adjustment shims, such as 18, made of hardened resin, are evenly distributed in the bottom Engraving 14 to form bearing surfaces on which the rails 16 rest.

Classiquement, le rail à gorge 16 utilisé dans ce type de voie, connu sous l'appellation de rail inertiel, présente une hauteur comprise entre 150 et 180mm.Conventionally, the grooved rail 16 used in this type of track, known as inertial rail, has a height between 150 and 180mm.

Dés lors, et bien que ce type de rail soit capable de supporter les efforts qui lui sont appliqués verticalement lors du passage d'un convoi ferroviaire, la quantité de résine de fixation utilisée pour le scellement des rails 16 dans la chape de béton 12 est relativement importante.Therefore, and although this type of rail is capable to support the efforts applied to it vertically during the passage of a railway convoy, the amount of fixing resin used for the sealing of the rails 16 in the concrete screed 12 is relatively large.

Dans le but de réduire cette quantité de résine, on place dans cette dernière des tubes creux économiseurs de résine, tels que 20.In order to reduce this amount of resin, we place in the latter hollow tubes saving resin, such as 20.

Cependant, la quantité de résine reste sensiblement importante. However, the amount of resin remains substantially important.

La hauteur de la dalle de béton étant généralement de l'ordre de 250mm, la hauteur globale de la plate-forme de pose dépasse généralement 400mm.The height of the concrete slab is generally around 250mm, the overall height of the platform generally exceeds 400mm.

Comme indiqué précédemment, ce type de voie est peu économique.As indicated previously, this type of path is not very economic.

En référence aux figures 2 à 4, on va décrire une voie ferrée, conforme à l'invention, permettant de pallier cet inconvénient.Referring to Figures 2 to 4, we will describe a railway line, according to the invention, making it possible to overcome this drawback.

En se référant tout d'abord aux figures 2 et 3, la voie ferrée comporte essentiellement une dalle de béton 22 coulée sur une plate-forme 24 de béton de propreté et sur laquelle sont fixées une ou plusieurs paires de files de rails à gorge 26, 28.Referring first to Figures 2 and 3, the railway track essentially has a concrete slab 22 pouring on a clean concrete platform 24 and on which are fixed one or more pairs of lines grooved rails 26, 28.

Plus particulièrement, la dalle 22 de béton est pourvue, pour chaque file de rails 26 et 28, d'une engravure 30 délimitée latéralement par deux épaulements 32 et 34 dressés à partir de la surface supérieure de la dalle 22.More specifically, the concrete slab 22 is provided, for each row of rails 26 and 28, with a engraving 30 delimited laterally by two shoulders 32 and 34 erected from the upper surface of the slab 22.

En référence à la figure 4, les files de rails 26 et 28 sont constituées par une succession de rails 36 soudés, de type rails bas ou non inertiels.Referring to Figure 4, the rails 26 and 28 consist of a succession of rails 36 welded, low rail type or non-inertial.

C'est-à-dire, chaque rail 36 présente une hauteur H inférieure à 100mm, et une largeur L, la hauteur H étant inférieure à 70% de la largeur L.That is to say, each rail 36 has a height H less than 100mm, and a width L, the height H being less than 70% of the width L.

Ainsi, selon un mode de réalisation préféré, la hauteur H est sensiblement égale à 85mm, la largeur totale L étant sensiblement égale à 130mm.Thus, according to a preferred embodiment, the height H is substantially equal to 85mm, the width total L being substantially equal to 130mm.

Le rail 36 est par ailleurs configuré de manière à obtenir une surface de section en coupe transversale sensiblement égale à 6400mm2, c'est-à-dire une surface sensiblement égale à celle d'un rail inertiel, de hauteur plus élevée, de manière à conduire efficacement les courants de retour en provenance d'une motrice de convoi ferroviaire.The rail 36 is also configured so as to obtain a cross-sectional cross-sectional area substantially equal to 6400 mm 2 , that is to say an area substantially equal to that of an inertial rail, of higher height, so to efficiently drive the return currents from a railway convoy.

Le rail 36 comporte, en partie inférieure, un patin P, en partie médiane une âme A pourvue de surfaces latérales mutuellement opposée de forme concave, à concavité tournée vers l'extérieur, et, en partie supérieure, un champignon C et une bavette B qui délimitent entre eux une gorge G destinée à recevoir le mentonnet des roues d'un véhicule ferroviaire.The rail 36 has, in the lower part, a shoe P, in the middle part a core A provided with surfaces mutually opposite sides of concave shape, outwardly concavity, and in part upper, a mushroom C and a bib B which delimit between them a groove G intended to receive the rail wheel stud.

Par ailleurs, le champignon C délimite, en partie supérieure, une surface de roulement R destinée à recevoir la table de roulement des roues.Furthermore, the fungus C delimits, in part upper, a rolling surface R intended for receive the wheel tread.

En se référant à nouveau à la figure 3, l'engravure 30 et, en particulier, les épaulements 32 et 34 sont conformés de manière à pouvoir supporter les efforts appliqués verticalement et transversalement lors du passage d'un convoi ferroviaire.Referring again to Figure 3, the engraving 30 and, in particular, the shoulders 32 and 34 are shaped so that it can withstand the stresses applied vertically and transversely when passage of a railway convoy.

Ils sont par ailleurs conformés de manière que le patin P et l'âme A soient au moins en partie insérés dans l'engravure 30 et que le champignon C et la bavette B s'étendent en saillie au-delà de la face d'extrémité supérieure des épaulements 32 et 34.They are also shaped so that the pad P and core A are at least partly inserted in the engraving 30 and that the mushroom C and the flap B protrude beyond the end face upper shoulders 32 and 34.

Le rail 36 est en appui de façon continue par l'intermédiaire de son patin P sur un fond 31 de l'engravure 30.The rail 36 is continuously supported by through its pad P on a bottom 31 of engraving 30.

Par ailleurs, l'ensemble du rail 36 est noyé dans une résine 38 de fixation.Furthermore, the entire rail 36 is embedded in a fixing resin 38.

Cette résine est choisie de manière qu'elle soit capable d'amortir les vibrations engendrées lors du passage d'un convoi ferroviaire sur le rail 36.This resin is chosen so that it is capable of absorbing the vibrations generated during passage of a railway convoy on rail 36.

Par exemple, la résine 38 est constituée d'une résine bi-composants chargée en liège, telle que la résine connue sous l'appellation Corkelast®.For example, the resin 38 consists of a two-component resin filled with cork, such as resin known as Corkelast®.

Comme on le voit sur la figure 3, la résine de fixation 38 déborde latéralement sur l'un des épaulements, à savoir l'épaulement 32 situé du côté du champignon C.As seen in Figure 3, the resin of attachment 38 extends laterally on one of the shoulders, namely the shoulder 32 located on the side of the fungus C.

Par exemple, la résine déborde sur cet épaulement selon une première épaisseur e1 de l'ordre de 50mm.For example, the resin overflows on this shoulder according to a first thickness e1 of the order of 50mm.

De l'autre côté, c'est-à-dire du côté de la bavette B, la seconde épaisseur e2 de résine est plus faible que la première épaisseur el. Elle est par exemple de l'ordre de 25mm à 30mm.On the other side, i.e. on the side of the flap B, the second thickness e2 of resin is less than the first thickness el. It is for example of the order from 25mm to 30mm.

On ménage ainsi, du côté du champignon C, une surface de résine au-dessus de laquelle vient rouler une partie de la table de roulement des roues du véhicule.One thus spares, on the side of the fungus C, a resin surface above which rolls a part of the vehicle's wheel tread table.

On amortit alors les vibrations engendrées lors du passage du véhicule, sans utiliser de matériau additionnel.The vibrations generated during the passage of the vehicle, without using material additional.

De part et d'autre de la résine, des cornières 40 et 42, fixées sur la surface supérieure des épaulements 32 et 34, délimitent entre elles un réceptacle pour la résine emplissant l'engravure.On either side of the resin, the angles 40 and 42, fixed on the upper surface of the shoulders 32 and 34, delimit between them a receptacle for the resin filling the engraving.

L'engravure 30 et le réceptacle rempli par la résine reflètent la forme du rail 36 et présentent chacun une hauteur plus faible que leur largeur.Engraving 30 and the receptacle filled with resin reflect the shape of the rail 36 and each have a lower height than their width.

Comme on le voit sur la figure 3, les cornières 40 et 42 constituent également une cloison séparatrice permettant de revêtir la voie et, en particulier la dalle de béton 22, d'une couche de matière de revêtement.As seen in Figure 3, the angles 40 and 42 also constitute a separating partition for coating the track and, in particular the slab of concrete 22, a layer of coating material.

En référence à la figure 2, ce revêtement peut être constitué par un revêtement pavé 44 recouvrant toute la surface supérieure de la dalle de béton 22 ainsi que les épaulements 32 et 34. Ainsi, seuls les rails 26, 28 et la résine 38 sont apparents de l'extérieur.Referring to Figure 2, this coating can be constituted by a paved covering 44 covering the entire upper surface of the concrete slab 22 as well as the shoulders 32 and 34. Thus, only the rails 26, 28 and the resin 38 are visible from the outside.

La première épaisseur e1 de 50 mm est suffisante pour que la table de roulement de la roue déborde en surplomb de la zone de résine mais jamais en surplomb du revêtement pavé. Ainsi, quand le rail sera usé par le passage des roues, la table de roulement mordra dans la zone de résine mais d'endommagera pas ledit revêtement.The first thickness e1 of 50 mm is sufficient so that the wheel tread extends beyond overhang of the resin zone but never overhang of the paved covering. So when the rail is worn out by the wheel arch, the tread table will bite into the resin area but will not damage said coating.

En variante, comme représenté sur la figure 5, le revêtement peut être constitué par une couche 45 de revêtement bitumineux couvrant toute la surface supérieure de la dalle de béton 22 ainsi que des épaulements 32 et 34.Alternatively, as shown in Figure 5, the coating may consist of a layer 45 of bituminous coating covering the entire surface upper of concrete slab 22 as well as shoulders 32 and 34.

On notera, que selon un mode de réalisation avantageux, le béton constitutif de la dalle 22 est coulé sur un treillis métallique permettant d'améliorer la résistance de la dalle aux efforts mécaniques engendrés lors du passage d'un convoi ferroviaire.It will be noted that according to one embodiment advantageous, the concrete constituting the slab 22 is poured on a wire mesh to improve the resistance of the slab to the mechanical forces generated during the passage of a railway convoy.

De préférence, selon ce mode de réalisation, les épaulements sont également pourvus d'un tel renfort métallique (cornières métalliques).Preferably, according to this embodiment, the shoulders are also provided with such a reinforcement metallic (metallic angles).

Un tel renfort permet aux épaulements de supporter efficacement les efforts latéraux soumis aux épaulements lors du passage d'un véhicule, en particulier en courbe.Such reinforcement allows the shoulders to support effectively the lateral forces subjected to the shoulders when passing a vehicle, especially in a curve.

Comme on le conçoit, la voie qui vient d'être décrite, qui est dotée de rails bas ou non inertiels noyés dans une résine placée dans une engravure ménagée dans une dalle de béton, permet de réduire considérablement la hauteur de la plate-forme de pose, dans la mesure où sa hauteur totale peut être de l'ordre de 300mm, tout en étant en mesure de supporter les efforts qui lui sont appliqués lors du passage d'un convoi ferroviaire.As can be seen, the path that has just been described, which has low or non-inertial rails drowned in a resin placed in a sparing engraving in a concrete slab, reduces considerably the height of the laying platform, since its total height can be around 300mm, while being able to support the forces applied to it when passing a railway convoy.

On réduit ainsi considérablement la quantité de matière première utilisée, et en particulier la quantité de résine utilisée pour le scellement des rails dans l'engravure et pour l'amortissement des vibrations.This considerably reduces the amount of raw material used, and in particular the quantity resin used for sealing the rails in etching and for damping vibrations.

On améliore également l'effet esthétique de la voie dans la mesure où seuls les rails et la résine de fixation peuvent être visibles de l'extérieur, la dalle de béton restant invisible.It also improves the aesthetic effect of the track since only the rails and the resin attachment may be visible from the outside, the slab of concrete remaining invisible.

Il est ainsi possible de revêtir la dalle de tout type de matériau, en fonction de l'environnement dans lequel la voie est placée.It is thus possible to cover the slab with any type of material, depending on the environment in which the track is placed.

Cette voie peut dès lors être aisément installée dans tous types de sites urbains.This track can therefore be easily installed in all types of urban sites.

On notera cependant que l'invention n'est pas limitée aux modes de réalisation décrits.Note however that the invention is not limited to the embodiments described.

En effet, dans les exemples de réalisation décrits précédemment en référence aux figures 2 à 5, l'engravure est délimitée par deux épaulements dressés à partir de la dalle de béton. Indeed, in the embodiments described previously with reference to FIGS. 2 to 5, the engraving is bounded by two shoulders erected from the concrete slab.

En référence à la figure 6, il est également possible, en variante, et en particulier dans le cas où la voie est destinée à être recouverte d'une couche de terre végétale, en vue, par exemple, de la plantation d'un gazon, de noyer le rail 36 dans de la résine placée dans une engravure 46 délimitée, d'une part, par un unique épaulement 48 dressé à partir d'une dalle de béton 50 et, d'autre part, par des cornières latérales, telles que 52, par exemple soudées sur le treillis de renfort de la dalle.Referring to Figure 6, it is also possible, as a variant, and in particular in the case where the track is intended to be covered with a layer of topsoil, for example, for planting a lawn, to drown the rail 36 in resin placed in an engraving 46 bounded, on the one hand, by a single shoulder 48 erected from a concrete slab 50 and, on the other hand, by side angles, such than 52, for example welded to the reinforcing mesh of the slab.

Dans ce cas, les cornières sont adaptées pour supporter les efforts latéraux engendrés lors du passage d'un véhicule ferroviaire.In this case, the angles are adapted for withstand the lateral forces generated during the passage of a railway vehicle.

On augmente ainsi la quantité de terre susceptible d'être placée au voisinage immédiat des rails.This increases the amount of soil susceptible to be placed in the immediate vicinity of the rails.

Comme on le voit sur cette figure, dans les différents modes de réalisation qui viennent d'être décrits, il est possible de placer dans l'engravure un économiseur de résine 54, afin de réduire encore la quantité de résine utilisée.As seen in this figure, in the different embodiments that have just been described, it is possible to place in the engraving a resin saver 54, to further reduce the amount of resin used.

On notera enfin que la voie ferrée selon l'invention autorise un remplacement relativement aisé d'un rail.Finally, it should be noted that the railway according to the invention allows relatively easy replacement of a rail.

En effet, l'épaisseur de résine de part et d'autre de la file de rails est suffisante pour insérer un outil de découpe approprié.Indeed, the thickness of resin on both sides enough rail to insert a tool appropriate cutting.

Le remplacement d'un rail peut dès lors s'effectuer sans intervention sur le revêtement de surface.Rail replacement can therefore be carried out without intervention on the surface coating.

Claims (13)

  1. A railroad track for guided vehicles, comprising a concrete base (22; 50) and at least one pair of rail lines (26, 28) having a groove and being integral with the base, each rail being at least partially inserted into a notch (30; 46) made lengthwise in the base and embedded in a fixing resin protruding laterally on either side of the rail, each rail being equipped with a shoe (P), a web (A), a head (C) defining a running surface (R), and a guard (B) defining said groove together with the head, the vehicle comprising wheels for rolling on a tread of the running surface (R), the rail continuously bearing on the notch (30; 46), characterized in that each rail has a height of less than 100mm, this height being less than 70 % of the width of the rail, with the fixing resin forming said continuous bearing.
  2. The railroad track according to claim 1, characterized in that the resin protrudes by a first lateral thickness (e1) on the head side (C) and by a second lateral thickness (e2) on the guard side (B), the first thickness (E1) on the head side being greater than the second thickness (e2) on the guard side.
  3. The railroad track according to claim 2, characterized in that the width of the running surface (R) of each rail and the first lateral thickness (e1) are chosen for the wheel tread to protrude laterally from the running surface (R) overhanging the resin on the head side (C), but without exceeding the resin area.
  4. The railroad track according to claim 1 or 3, characterized in that the head (C) and the guard (B) extend at least partially projecting away from the notch (30; 46).
  5. The railroad track according to any of claims 1 to 4, characterized in that the web is fitted with two concave side surfaces, and that the shoe extends laterally projecting away from the web.
  6. The railroad track according to any of claims 1 to 5, characterized in that the base is composed of a slab of concrete (22; 50), and that each notch is formed by at least one shoulder (32, 34; 48) protruding from the upper slab surface.
  7. The railroad track according to claim 6, characterized in that each shoulder supports at least one angle iron (40, 42; 52) placed upright from the upper shoulder surface and defining on the one hand together with the remaining notch and with a corresponding angle iron a receptacle for the fixing resin, and on the other hand a partition for a coating covering the concrete slab.
  8. The railroad track according to any of claims 6 and 7, characterized in that the slab is fitted with a wire mesh embedded in the concrete.
  9. The railroad track according to claim 8, depending on claim 7, characterized in that the angles are attached to the slab.
  10. The railroad track according to any of claims 1 to 9, characterized in that the fixing resin is composed of a bicomponent cork loaded resin.
  11. The railroad track according to claim 2, characterized in that the width of the running surface is substantially 56.2mm, the first lateral thickness (e1) of the fixing resin (38) on the head side (C) being substantially 50mm.
  12. The railroad track according to any of claims 1 to 11, characterized in that the total width of each rail (36) is substantially 130mm, and the maximum height thereof is substantially 85mm, and that the cross-sectional area of the rail is substantially 6400mm2.
  13. Railroad apparatus, characterized in that it comprises a railroad track according to any of claims 1 to 12.
EP01403011A 2000-11-23 2001-11-23 Railway track for guided vehicle and apparatus comprising such a track Expired - Lifetime EP1217126B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0015139 2000-11-23
FR0015139A FR2816967B1 (en) 2000-11-23 2000-11-23 RAIL TRACK FOR GUIDED VEHICLE AND APPARATUS HAVING SUCH A RAIL TRACK

Publications (2)

Publication Number Publication Date
EP1217126A1 EP1217126A1 (en) 2002-06-26
EP1217126B1 true EP1217126B1 (en) 2004-10-20

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EP01403011A Expired - Lifetime EP1217126B1 (en) 2000-11-23 2001-11-23 Railway track for guided vehicle and apparatus comprising such a track

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EP (1) EP1217126B1 (en)
AT (1) ATE280272T1 (en)
DE (1) DE60106552T2 (en)
DK (1) DK1217126T3 (en)
ES (1) ES2230251T3 (en)
FR (1) FR2816967B1 (en)
PT (1) PT1217126E (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2852978B1 (en) * 2003-03-25 2006-08-25 Cogifer Tf DISSYMMETRIC SOLE RAIL AND APPLICATION TO THE CONSTITUTION OF A RAILWAY
AT500820B1 (en) * 2004-09-29 2007-04-15 Voestalpine Schienen Gmbh RAILING RAIL FOR A RAILROAD
DE102004054794B3 (en) 2004-11-12 2006-04-20 Thyssenkrupp Gft Gleistechnik Gmbh grooved rail
FR2990704B1 (en) * 2012-05-16 2015-06-05 Etf Eurovia Travaux Ferroviaires METHOD FOR CONSTRUCTING A RAILWAY

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1349451A (en) * 1919-02-14 1920-08-10 William S Godwin Street-railway construction
BE418484A (en) * 1936-02-27
DE916830C (en) * 1952-01-27 1954-08-19 Dortmunder Union Brueckenbau A Storage or embedding of objects, in particular elongated ones, such as rails or the like, in joints of structural bodies
NL8502169A (en) * 1985-07-31 1987-02-16 Edilon Bv RAIL, IN WHICH RAILWAYS SUPPORT AGAINST RIGID SUPPORT PLATES THROUGH ELASTIC BRACKETS, AND METHOD FOR LAYING SUCH A RAIL
DE3626490A1 (en) * 1986-08-11 1988-04-07 Lothar Eisner Device for the casting-in of rails
GB8919470D0 (en) * 1989-08-26 1989-10-11 Lesley Lewis Low profile rail
US5513797A (en) * 1989-08-26 1996-05-07 Lesley; Lewis Installation of rail tracks in roadways
CN1054630A (en) * 1990-01-10 1991-09-18 英国钢铁公司 Improved railroad vehicle track
GB2334542A (en) * 1998-02-13 1999-08-25 Metallisation Service Limited Rail for trams

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PT1217126E (en) 2005-02-28
DK1217126T3 (en) 2005-02-21
ATE280272T1 (en) 2004-11-15
DE60106552T2 (en) 2006-03-09
FR2816967B1 (en) 2004-09-17
DE60106552D1 (en) 2004-11-25
ES2230251T3 (en) 2005-05-01
EP1217126A1 (en) 2002-06-26
FR2816967A1 (en) 2002-05-24

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