EP1318239B1 - Method for building a ballastless track - Google Patents

Method for building a ballastless track Download PDF

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Publication number
EP1318239B1
EP1318239B1 EP02292951A EP02292951A EP1318239B1 EP 1318239 B1 EP1318239 B1 EP 1318239B1 EP 02292951 A EP02292951 A EP 02292951A EP 02292951 A EP02292951 A EP 02292951A EP 1318239 B1 EP1318239 B1 EP 1318239B1
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EP
European Patent Office
Prior art keywords
walls
concrete
track
slab
constructing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP02292951A
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German (de)
French (fr)
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EP1318239A1 (en
Inventor
Marc Sayadi
Yvan Skific
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Alstom SA
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Alstom SA
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Publication of EP1318239A1 publication Critical patent/EP1318239A1/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
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/38—Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/005—Making of concrete parts of the track in situ
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/32—Installing or removing track components, not covered by the preceding groups, e.g. sole-plates, rail anchors
    • 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
    • E01B2204/09—Ballastless systems

Definitions

  • the invention relates to a method of constructing a railway in which one realizes a slab of concrete track and inserts into it elements anchoring the railway by means of an insertion device, the latter being mobile along the route of the railway.
  • patent document DE-A-2422942 discloses a method of construction of a railway in which a concrete road slab is made, and inserts into this freshly poured slab anchoring elements by means of a insertion device. Two side forms are installed before the casting of the slab track to laterally delimit the edges.
  • Another disadvantage of such a construction method is that it requires the use a relatively bulky saddle insertion device, the latter comprising a mobile platform spanning the slab of freshly poured concrete whose width necessarily exceeds the width of the concrete slab to be built.
  • the insertion device is generally coupled with a casting machine continuous concrete, the latter being placed in front of the saddle insertion device and shaping the concrete slab by means of a slippery formwork.
  • a continuous concrete casting machine has the drawback of require a concrete of particular formulation whose texture does not allow its pumping, which requires having to transport this concrete in large quantities, by a other means, such as agitator containers, before depositing the concrete by gravity.
  • the object of the present invention is to remedy these disadvantages by proposing a method of constructing a railway on a concrete slab reduced quantities of continuously cast concrete, the complement to total volume of concrete to build the slab of track being made by concrete pumpable.
  • Another object of the invention is to propose a method of construction which allows the use of a machine for the continuous casting of concrete and a device for inserting anchoring elements having compact dimensions and which is simple and economical to implement.
  • FIG. 1 represents schematically the different steps of a particular mode implementation of the method of construction of a railway according to the invention.
  • two walls 2 from a height of the order of 20 to 40 cm and a width of about 10 cm are built along the route of the railway, these two walls 2 delimiting laterally the edges of the concrete slab to be poured to support the track railway.
  • These walls 2 are preferably made of concrete by means of a continuous casting machine for concrete 10 of reduced size, of the type described in the patent application FR-A1-2 662 452 and available from the company M-B-W.
  • Such a machine 10 is mounted on wheels 11 and comprises a reservoir for concrete 12 pouring by gravity of the concrete upstream of a sliding formwork 13 realizing the shape of the wall 2.
  • the casting machine continuous 10 is advantageously guided in its progress by a station of measure 5 located along the path of the railway and installed on a tripod at the vertical of a topographic survey terminal 6.
  • This measuring station 5 includes a distance measuring device equipped with an emitting optic and a optical receiver allowing to know with a very great precision the distance and the angle separating the measuring station 5 from a set of reflectors 7 carried by the continuous casting machine 10.
  • the laser measuring device used is example the device marketed under the reference TC / TCA 2003 by the company LEICA.
  • the height of the walls 2 is advantageously chosen from so that the upper surface of the walls 2 delimits the height of the concrete slab to flowing, the walls 2 having inner blanks that are inclined relative to the vertical so that the space between the two walls 2 forms a converging cavity for the reception of a concrete slab 1.
  • an armature 4 is arranged between the two walls 2 in order to make a slab track 1 reinforced concrete.
  • this stage of the process can be suppressed when one wish to obtain a slab of track 1 in concrete without reinforcement 4.
  • a third step of the process after solidification of the concrete constituting the two walls 2, traditional concrete is poured into the cavity defined by the two walls 2 so as to fill this cavity to a height at least equal to the upper surface of walls 2.
  • This traditional concrete is brought for example by pumping through a pipe connected to a tank located at an open point around the railway.
  • the tank may also rest on wheels and move on the two walls 2, the concrete being able to then spread with a spinning top.
  • a device for inserting saddles 20 of reduced size is brought above the slab lane 1 Freshly poured, this insertion device 20 having a rectangular frame resting on four wheels 21 having a spacing adapted to circulate on the 2.
  • the wheels 21 each comprise an edge outer provided with a coil 21a engaging with the outer wall of the blank wall 2 and guiding the insertion device 20 along the wall 2.
  • the insertion device 20 also comprises, in a manner known per se and according to the device disclosed in EP 0 803 609, an arm articulated 23 moving vertically to insert saddles 3 in the concrete slab 1 freshly poured and ways to vibrate the concrete around the saddle 3 during his insertion.
  • This articulated arm 23 is disposed at the rear part of the chassis and has reflectors 7 cooperating with a measuring station 5 to insert precisely the saddles 3 with a precision less than one millimeter, as this is described in patent application FR-A-2 812 671 filed by the applicant published after the priority date related to this request.
  • the insertion device 20 further comprises, at the front of the frame, a vibrating rule 22 coming to level the surface of the slab of channel 1 with an altimetric accuracy modeled on that of the upper surface of the two walls 2.
  • the concrete slab 1 freshly poured is leveled by the vibrating rule 22 and the saddles 3 are inserted successively by the articulated arm 23, the positioning of the insertion device 20 during its advancement being facilitated by the guidance of the wheels 21 on the walls 2.
  • Such a method of constructing a railway has the advantage of being able to be used in places where the space available is limited since it allows the use a continuous casting machine for compact concrete. Indeed, this continuous concrete casting machine is sized to make low walls small dimension requiring little volume of concrete, the slab of track made between the two walls being cast in a concrete of traditional formulation which presents the advantage of being able to be brought by pumping, which makes it possible to place the reservoir concrete remotely in an open area.
  • the walls are used to guide the saddle insertion device on the track which ensures pre-positioning of the insertion device and makes it possible to reduce the time required for precise positioning of the arm supporting the inserts.
  • the walls also have the advantage of serving as a support for possible metal reinforcements intended to be inserted into the track slab and also simplify the installation of ducts or drains in the slab track.
  • FIG. 4 shows an alternative embodiment of the method according to the invention in which the first step of the process is modified.
  • a continuous casting machine of concrete not represented in the figure, comprising a sliding formwork making it possible to carry out simultaneously the two walls 2 and a foundation slab 2a extending to the base of two walls 2.
  • the foundation slab 2a thus produced has a very thick lower than the height of the two walls 2, of the order of 20 cm for a height of walls of the order of 40 cm, so that there remains a cavity between the two walls 2 in which is poured the channel tile 1.
  • the following steps of the method are identical to those described for the embodiment of Figures 1 to 3, the two walls 2 still serving as a running surface for a saddle insertion device as in Figure 3.
  • Such an alternative embodiment although it requires the use of a machine of Continuous casting of concrete with a larger gauge, has the advantage to ensure a perfect relative positioning of the two walls and allows a realization the two walls, reducing the time required for positioning of the casting machine continuously.
  • such a variant retains the advantage of pre-positioning the insertion device by the co-operation of the wheel flanges with the edge of the walls.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Road Paving Machines (AREA)
  • Panels For Use In Building Construction (AREA)
  • Road Paving Structures (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The method involves continuously pouring concrete to form two concrete walls (2) which laterally delimit the edges of a concrete track slab to be formed. A track slab forming concrete (1) is poured between the two walls. A compact tie plate inserter system (20) is operated to insert tie plates (3) in the freshly poured track slab forming concrete.

Description

L'invention se rapporte à un procédé de construction d'une voie ferrée dans lequel on réalise une dalle de voie en béton et on insère dans cette dernière des éléments d'ancrage de la voie ferrée au moyen d'un dispositif d'insertion, ce dernier étant mobile le long du parcours de la voie ferrée.The invention relates to a method of constructing a railway in which one realizes a slab of concrete track and inserts into it elements anchoring the railway by means of an insertion device, the latter being mobile along the route of the railway.

On connaít tout d'abord du document de brevet DE-A-2422942 un procédé de construction d'une voie ferrée dans lequel on réalise une dalle de voie en béton, et on insère dans cette dalle fraíchement coulée des éléments d'ancrage au moyen d'un dispositif d'insertion. Deux coffrages latéraux sont installés préalablement à la coulée de la dalle de voie pour en délimiter latéralement les bords.First of all, patent document DE-A-2422942 discloses a method of construction of a railway in which a concrete road slab is made, and inserts into this freshly poured slab anchoring elements by means of a insertion device. Two side forms are installed before the casting of the slab track to laterally delimit the edges.

On connaít en outre, du document EP 0 803 609, un procédé et un dispositif d'insertion de selles dans du béton permettant de réaliser rapidement une voie ferrée à coût réduit. Un tel dispositif d'insertion comporte une plate-forme mobile enjambant la dalle de béton fraíchement coulée qui permet de déplacer le dispositif d'insertion le long du parcours de la voie ferrée. Il est, de plus, connu de la demande de brevet publiée FR 2 812 671, déposée par la demanderesse et publiée après la date de priorité liée à la présente demande, de procéder au positionnement précis d'un tel dispositif d'insertion de selles au moyen d'une station de mesure référencée par rapport à des points de relevé topographique disposés en bordure du parcours de la voie ferrée, la station de mesure comprenant un dispositif de mesure optique coopérant avec des réflecteurs portés par la machine d'insertion de selles pour localiser précisément le dispositif d'insertion.Also known from EP 0 803 609, a method and a device insertion of saddles into concrete to quickly make a railway at reduced cost. Such an insertion device comprises a mobile platform stepping over the slab of freshly poured concrete that moves the device insertion along the route of the railway. It is, moreover, known from the demand published patent FR 2 812 671, filed by the applicant published after the priority date related to the this application, to proceed to precise positioning of such a saddle insertion device by means of a station measurement referenced to topographic survey points arranged in border of the course of the railway, the measuring station comprising a device optical measurement cooperating with reflectors carried by the insertion machine of stool to precisely locate the insertion device.

Un tel procédé de construction de voie présente cependant l'inconvénient de posséder une cadence d'avancement limitée par le temps nécessaire au déplacement et au positionnement précis du dispositif d'insertion de selles.However, such a method of constructing a track has the disadvantage of having a rate of progress limited by the time required to move and precise positioning of the saddle insertion device.

Un autre inconvénient d'un tel procédé de construction est qu'il nécessite l'utilisation d'un dispositif d'insertion de selles relativement encombrant, ce dernier comportant une plate-forme mobile enjambant la dalle de béton fraíchement coulée dont la largeur dépasse nécessairement la largeur de la dalle de béton à construire. De plus, le dispositif d'insertion est généralement couplé avec une machine de coulée en continu du béton, cette dernière étant placée devant le dispositif d'insertion de selles et mettant en forme la dalle de béton au moyen d'un coffrage glissant. Or, l'utilisation d'une telle machine de coulée en continu du béton présente l'inconvénient de nécessiter un béton de formulation particulière dont la texture ne permet pas son pompage, ce qui impose d'avoir à transporter ce béton en quantité importante, par un autre moyen, comme des conteneurs agitateurs, avant de déposer le béton par gravité. Another disadvantage of such a construction method is that it requires the use a relatively bulky saddle insertion device, the latter comprising a mobile platform spanning the slab of freshly poured concrete whose width necessarily exceeds the width of the concrete slab to be built. Moreover, the insertion device is generally coupled with a casting machine continuous concrete, the latter being placed in front of the saddle insertion device and shaping the concrete slab by means of a slippery formwork. However, the use Such a continuous concrete casting machine has the drawback of require a concrete of particular formulation whose texture does not allow its pumping, which requires having to transport this concrete in large quantities, by a other means, such as agitator containers, before depositing the concrete by gravity.

Il s'ensuit qu'un tel procédé de construction peut s'avérer impossible à mettre en oeuvre lorsque la place est limitée de part et d'autre de la voie ferrée, notamment lors de la construction de voies ferrées à l'intérieur des tunnels ou sur les ponts.It follows that such a construction process may prove impossible to implement. when space is limited on both sides of the railway, particularly when the construction of railways inside tunnels or on bridges.

Aussi, le but de la présente invention est de remédier à ces inconvénients en proposant un procédé de construction d'une voie ferrée sur une dalle de béton mettant en oeuvre des quantités réduites de béton moulé en continu, le complément au volume total de béton pour construire la dalle de voie étant réalisé par du béton pompable. Un autre but de l'invention est de proposer un procédé de construction qui permette l'utilisation d'une machine pour la coulée en continu de béton et d'un dispositif pour l'insertion d'éléments ancrage possédant des dimensions compactes et qui soit simple et économique à mettre en oeuvre.Also, the object of the present invention is to remedy these disadvantages by proposing a method of constructing a railway on a concrete slab reduced quantities of continuously cast concrete, the complement to total volume of concrete to build the slab of track being made by concrete pumpable. Another object of the invention is to propose a method of construction which allows the use of a machine for the continuous casting of concrete and a device for inserting anchoring elements having compact dimensions and which is simple and economical to implement.

A cet effet, l'invention a pour objet un procédé de construction d'une voie ferrée dans lequel on réalise une dalle de voie en béton et on insère dans la dalle de voie des éléments d'ancrage de la voie ferrée au moyen d'un dispositif d'insertion mobile le long du parcours de la voie ferrée, caractérisé en ce qu'il comprend les étapes suivantes :

  • a) réalisation de deux murets de béton délimitant latéralement les bords de la dalle de voie à couler, ces deux murets étant réalisés au moyen d'une machine de coulée en continu du béton, ladite machine decoulée comportant des réflecteurs aptes à coopèrer avec un dispositif de mesure optique compris dans une station de mesure, ladite station étant référencée par rapport à des points de relevé topographique afin de guider ladite machine de coulée dans son avancement;
  • b) guidage du déplacement du dispositif d'insertion à l'aide desdits murets;
  • c) coulée de la dalle de voie en béton entre lesdits murets ;
  • d) insertion des éléments d'ancrage dans la dalle de voie fraíchement coulée au moyen du dispositif d'insertion.
    • For this purpose, the subject of the invention is a method of constructing a railway track in which a concrete track slab is made and the anchoring elements of the railroad track are inserted into the track slab by means of an insertion device movable along the path of the railway, characterized in that it comprises the following steps:
  • a) two concrete walls laterally delimiting the edges of the runway slab, these two walls being made by means of a continuous concrete casting machine, said machine having reflectors adapted to cooperate with a device; optical measuring device included in a measuring station, said station being referenced with respect to topographic survey points for guiding said casting machine in its advancement;
  • b) guiding the displacement of the insertion device using said walls;
  • c) pouring the concrete channel slab between said walls;
  • d) insertion of the anchoring elements in the freshly poured channel slab by means of the insertion device.

    • Selon des modes particuliers de réalisation, le procédé de construction selon l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes prises isolément ou selon toutes les combinaisons techniquement possibles :

    • le dispositif d'insertion est muni de roues possédant un écartement adapté pour circuler sur les murets, les roues comportant un boudin externe s'engageant en regard du bord latéral du muret et assurant le guidage du dispositif d'insertion le long du muret ;
    • le dispositif d'insertion comporte un bras articulé qui insère avec précision les éléments d'ancrage dans la dalle de voie en béton fraíchement coulée, le positionnement précis du bras articulé étant réalisé au moyen d'une station de mesure référencée par rapport à des points de relevé topographique, la station comprenant un dispositif de mesure optique coopérant avec des réflecteurs portés par le bras articulé du dispositif d'insertion ;
    • la dalle de voie est réalisée dans un béton de formulation traditionnelle qui est amené entre les deux murets à la pompe ou à la toupie ;
    • la dalle de voie est nivelée au moyen d'une règle vibrante guidée par les murets, la précision altimétrique de la règle vibrante étant calquée sur celle des murets ;
    • préalablement à l'étape b) de coulée du béton pour la réalisation de la dalle de voie, des armatures métalliques sont disposées entre les deux murets afin de réaliser une dalle de voie en béton armé
    • lors de l'étape a), on réalise simultanément une dalle de fondation en béton s'étendant entre des deux murets, cette dalle de fondation présentant une épaisseur inférieure à la hauteur des murets pour laisser une cavité de réception entre les murets dans laquelle est coulé le béton de la dalle de voie.
    According to particular embodiments, the construction method according to the invention may comprise one or more of the following characteristics taken separately or in any technically possible combination:
    • the insertion device is provided with wheels having a spacing adapted to circulate on the walls, the wheels comprising an outer coil engaging the side edge of the wall and guiding the insertion device along the wall;
    • the insertion device comprises an articulated arm which accurately inserts the anchoring elements into the newly cast concrete track slab, the precise positioning of the articulated arm being achieved by means of a measuring station referenced with respect to points. topographic survey, the station comprising an optical measuring device cooperating with reflectors carried by the articulated arm of the insertion device;
    • the slab of track is made in a concrete of traditional formulation which is brought between the two low walls to the pump or to the top;
    • the slab of track is leveled by means of a vibrating rule guided by the walls, the altimetric accuracy of the vibrating rule being modeled on that of the low walls;
    • prior to step b) pouring concrete for the realization of the track slab, metal reinforcements are arranged between the two walls to produce a reinforced concrete track slab
    • during step a), a concrete foundation slab is produced simultaneously extending between two walls, this foundation slab having a thickness less than the height of the walls to leave a receiving cavity between the walls in which is poured concrete from the track slab.

    On comprendra mieux les buts, aspects et avantages de la présente invention, d'après la description donnée ci-après d'un mode de réalisation de l'invention, présenté à titre d'exemple non limitatif, en se référant aux dessins annexés, dans lesquels :

    • La figure 1 est une vue représentant schématiquement les différentes étapes d'un mode de réalisation particulier du procédé de construction d'une voie ferrée selon l'invention ;
    • La figure 2 est une vue représentant schématiquement en perspective l'étape de réalisation des murets conformément au procédé de la figure 1 ;
    • La figure 3 est une vue représentant schématiquement en perspective l'étape d'insertion des éléments d'ancrage conformément au procédé de la figure 1 ;
    • La figure 4 est une vue en coupe d'une voie ferrée sur une dalle de béton obtenue selon un second mode de réalisation du procédé de construction selon l'invention.
    The aims, aspects and advantages of the present invention will be better understood from the following description of an embodiment of the invention, presented by way of non-limiting example, with reference to the appended drawings. wherein :
    • Figure 1 is a view schematically showing the different steps of a particular embodiment of the method of construction of a railway according to the invention;
    • Figure 2 is a view schematically showing in perspective the step of producing the walls in accordance with the method of Figure 1;
    • Figure 3 is a view schematically showing in perspective the insertion step of the anchoring elements according to the method of Figure 1;
    • Figure 4 is a sectional view of a railway on a concrete slab obtained according to a second embodiment of the construction method according to the invention.

    Pour faciliter la lecture du dessin, seuls les éléments nécessaires à la compréhension de l'invention ont été représentés.To facilitate the reading of the drawing, only the elements necessary for understanding of the invention have been shown.

    La figure 1 représente schématiquement, les différentes étapes d'un mode particulier de réalisation du procédé de construction d'une voie ferrée selon l'invention. Conformément à cette figure, dans une première étape du procédé, deux murets 2 d'une hauteur de l'ordre de 20 à 40 cm et d'une largeur de l'ordre de 10 cm sont construits le long du parcours de la voie ferrée, ces deux murets 2 délimitant latéralement les bords de la dalle de béton à couler destinée à supporter la voie ferrée. Ces murets 2 sont préférentiellement réalisés en béton au moyen d'une machine de coulée en continu du béton 10 de gabarit réduit, du type de celle décrite dans la demande de brevet FR-A1-2 662 452 et disponible auprès de la société M-B-W. Une telle machine 10 est montée sur des roues 11 et comporte un réservoir à béton 12 déversant par gravité du béton en amont d'un coffrage glissant 13 réalisant la forme du muret 2.FIG. 1 represents schematically the different steps of a particular mode implementation of the method of construction of a railway according to the invention. According to this figure, in a first step of the method, two walls 2 from a height of the order of 20 to 40 cm and a width of about 10 cm are built along the route of the railway, these two walls 2 delimiting laterally the edges of the concrete slab to be poured to support the track railway. These walls 2 are preferably made of concrete by means of a continuous casting machine for concrete 10 of reduced size, of the type described in the patent application FR-A1-2 662 452 and available from the company M-B-W. Such a machine 10 is mounted on wheels 11 and comprises a reservoir for concrete 12 pouring by gravity of the concrete upstream of a sliding formwork 13 realizing the shape of the wall 2.

    Lors de cette étape, illustrée plus en détail sur la figure 2, la machine de coulée en continu 10 est avantageusement guidée dans son avancement par une station de mesure 5 disposée en bordure du parcours de la voie ferrée et installée sur un trépied à la verticale d'une borne de relevé topographique 6. Cette station de mesure 5 comporte un dispositif de mesure de distance équipé d'une optique émettrice et d'une optique réceptrice permettant de connaítre avec une très grande précision la distance et l'angle séparant la station de mesure 5 d'un ensemble de réflecteurs 7 portés par la machine de coulée en continu 10. Le dispositif laser de mesure utilisé est par exemple le dispositif commercialisé sous la référence TC/TCA 2003 par la société LEICA.During this step, illustrated in more detail in FIG. 2, the casting machine continuous 10 is advantageously guided in its progress by a station of measure 5 located along the path of the railway and installed on a tripod at the vertical of a topographic survey terminal 6. This measuring station 5 includes a distance measuring device equipped with an emitting optic and a optical receiver allowing to know with a very great precision the distance and the angle separating the measuring station 5 from a set of reflectors 7 carried by the continuous casting machine 10. The laser measuring device used is example the device marketed under the reference TC / TCA 2003 by the company LEICA.

    Lors de cette première étape, la hauteur des murets 2 est avantageusement choisie de sorte que la surface supérieure des murets 2 délimite la hauteur de la dalle de béton à couler, les murets 2 comportant des flans intérieurs qui sont inclinés par rapport à la verticale de sorte que l'espace entre les deux murets 2 forme une cavité convergente pour la réception d'une dalle de voie en béton 1.During this first step, the height of the walls 2 is advantageously chosen from so that the upper surface of the walls 2 delimits the height of the concrete slab to flowing, the walls 2 having inner blanks that are inclined relative to the vertical so that the space between the two walls 2 forms a converging cavity for the reception of a concrete slab 1.

    Dans une deuxième étape facultative du procédé illustrée à la figure 1, une armature métallique 4 est disposée entre les deux murets 2 afin de réaliser une dalle de voie 1 en béton armé. Bien entendu, cette étape du procédé peut être supprimée lorsque l'on souhaite obtenir une dalle de voie 1 en béton sans armature 4.In a second optional step of the method illustrated in FIG. 1, an armature 4 is arranged between the two walls 2 in order to make a slab track 1 reinforced concrete. Of course, this stage of the process can be suppressed when one wish to obtain a slab of track 1 in concrete without reinforcement 4.

    Dans une troisième étape du procédé, après solidification du béton constituant les deux murets 2, du béton traditionnel est coulé dans la cavité délimitée par les deux murets 2 de manière à remplir cette cavité jusqu'à une hauteur au moins égale à la surface supérieure des murets 2. Ce béton traditionnel est amené par exemple par pompage au travers d'un tuyau relié à un réservoir se trouvant en un point dégagé autour de la voie ferrée. Dans une variante de réalisation, le réservoir pourra également reposer sur des roues et circuler sur les deux murets 2, le béton pouvant alors être répandu au moyen d'une toupie.In a third step of the process, after solidification of the concrete constituting the two walls 2, traditional concrete is poured into the cavity defined by the two walls 2 so as to fill this cavity to a height at least equal to the upper surface of walls 2. This traditional concrete is brought for example by pumping through a pipe connected to a tank located at an open point around the railway. In an alternative embodiment, the tank may also rest on wheels and move on the two walls 2, the concrete being able to then spread with a spinning top.

    Dans une quatrième étape illustrée sur les figures 1 et 3, un dispositif d'insertion de selles 20 d'encombrement réduit est amené au-dessus de la dalle de voie 1 fraíchement coulée, ce dispositif d'insertion 20 comportant un châssis rectangulaire reposant sur quatre roues 21 possédant un écartement adapté pour circuler sur les murets 2. Conformément à la figure 1, les roues 21 comportent chacune un bord externe muni d'un boudin 21a s'engageant en regard du flan externe du muret 2 et assurant le guidage du dispositif d'insertion 20 le long du muret 2.In a fourth step illustrated in FIGS. 1 and 3, a device for inserting saddles 20 of reduced size is brought above the slab lane 1 Freshly poured, this insertion device 20 having a rectangular frame resting on four wheels 21 having a spacing adapted to circulate on the 2. In accordance with FIG. 1, the wheels 21 each comprise an edge outer provided with a coil 21a engaging with the outer wall of the blank wall 2 and guiding the insertion device 20 along the wall 2.

    Le dispositif d'insertion 20 comporte également, de manière connue en soi et conformément au dispositif divulgué dans le document EP 0 803 609, un bras articulé 23 se déplaçant verticalement pour insérer des selles 3 dans la dalle béton 1 fraíchement coulée et des moyens pour faire vibrer le béton autour de la selle 3 pendant son insertion. Ce bras articulé 23 est disposé en partie arrière du châssis et comporte des réflecteurs 7 coopérant avec une station de mesure 5 pour insérer précisément les selles 3 avec une précision inférieure au millimètre, ainsi que cela est décrit dans la demande de brevet FR-A-2 812 671 déposée par la demanderesse et publiée après la date de priorité liée à la présente demande. Le dispositif d'insertion 20 comporte de plus, à l'avant du châssis, une règle vibrante 22 venant niveler la surface de la dalle de voie 1 avec une précision altimétrique calquée sur celle de la surface supérieure des deux murets 2.The insertion device 20 also comprises, in a manner known per se and according to the device disclosed in EP 0 803 609, an arm articulated 23 moving vertically to insert saddles 3 in the concrete slab 1 freshly poured and ways to vibrate the concrete around the saddle 3 during his insertion. This articulated arm 23 is disposed at the rear part of the chassis and has reflectors 7 cooperating with a measuring station 5 to insert precisely the saddles 3 with a precision less than one millimeter, as this is described in patent application FR-A-2 812 671 filed by the applicant published after the priority date related to this request. The insertion device 20 further comprises, at the front of the frame, a vibrating rule 22 coming to level the surface of the slab of channel 1 with an altimetric accuracy modeled on that of the upper surface of the two walls 2.

    Ainsi, lors de l'avancement du dispositif d'insertion 20, la dalle de béton 1 fraíchement coulée est nivelée par la règle vibrante 22 et les selles 3 sont insérées successivement par le bras articulé 23, le positionnement du dispositif d'insertion 20 lors de son avancement étant facilité par le guidage des roues 21 sur les murets 2.Thus, during the advancement of the insertion device 20, the concrete slab 1 freshly poured is leveled by the vibrating rule 22 and the saddles 3 are inserted successively by the articulated arm 23, the positioning of the insertion device 20 during its advancement being facilitated by the guidance of the wheels 21 on the walls 2.

    Un tel procédé de construction d'une voie ferrée présente l'avantage de pouvoir être utilisé dans des lieux ou l'espace disponible est limité puisqu'il permet l'utilisation d'une machine de coulée en continu du béton d'encombrement réduit. En effet, cette machine de coulée en continu du béton est dimensionnée pour réaliser des murets de faible dimension nécessitant peu de volume de béton, la dalle de voie réalisée entre les deux murets étant coulée dans un béton de formulation traditionnelle qui présente l'avantage de pouvoir être amené par pompage, ce qui permet de placer le réservoir de béton à distance dans un endroit dégagé.Such a method of constructing a railway has the advantage of being able to be used in places where the space available is limited since it allows the use a continuous casting machine for compact concrete. Indeed, this continuous concrete casting machine is sized to make low walls small dimension requiring little volume of concrete, the slab of track made between the two walls being cast in a concrete of traditional formulation which presents the advantage of being able to be brought by pumping, which makes it possible to place the reservoir concrete remotely in an open area.

    De plus, conformément au procédé selon l'invention, les murets sont utilisés pour guider le dispositif d'insertion de selles sur la voie ferrée ce qui assure un pré-positionnement du dispositif d'insertion et permet de réduire le temps nécessaire au positionnement précis du bras supportant les inserts.In addition, according to the method according to the invention, the walls are used to guide the saddle insertion device on the track which ensures pre-positioning of the insertion device and makes it possible to reduce the time required for precise positioning of the arm supporting the inserts.

    Les murets présentent également l'avantage de servir de support pour d'éventuelles armatures métalliques destinées à être insérées dans la dalle de voie et permettent également de simplifier la mise en place de fourreaux ou drains dans la dalle de voie.The walls also have the advantage of serving as a support for possible metal reinforcements intended to be inserted into the track slab and also simplify the installation of ducts or drains in the slab track.

    La figure 4 présente une variante de réalisation du procédé selon l'invention dans laquelle la première étape du procédé est modifiée. Conformément à cette figure, on utilise lors de cette première étape une machine de coulée en continu de béton, non représentée sur la figure, comportant un coffrage glissant permettant de réaliser simultanément les deux murets 2 et une dalle de fondation 2a s'étendant à la base des deux murets 2. La dalle de fondation 2a ainsi réalisée présente une épaisseur très inférieure à la hauteur des deux murets 2, de l'ordre de 20 cm pour une hauteur de murets de l'ordre de 40 cm, de sorte qu'il demeure une cavité entre les deux murets 2 dans laquelle est coulée la dalle de voie 1. Les étapes suivantes du procédé sont identiques à celles décrites pour le mode réalisation des figures 1 à 3, les deux murets 2 servant toujours de surface de roulement pour un dispositif d'insertion 20 de selles conforme à celui de la figure 3.FIG. 4 shows an alternative embodiment of the method according to the invention in which the first step of the process is modified. According to this figure, uses in this first step a continuous casting machine of concrete, not represented in the figure, comprising a sliding formwork making it possible to carry out simultaneously the two walls 2 and a foundation slab 2a extending to the base of two walls 2. The foundation slab 2a thus produced has a very thick lower than the height of the two walls 2, of the order of 20 cm for a height of walls of the order of 40 cm, so that there remains a cavity between the two walls 2 in which is poured the channel tile 1. The following steps of the method are identical to those described for the embodiment of Figures 1 to 3, the two walls 2 still serving as a running surface for a saddle insertion device as in Figure 3.

    Une telle variante de réalisation, bien qu'elle nécessite l'emploi d'une machine de coulée en continu de béton présentant un gabarit plus important, présente l'avantage d'assurer un parfait positionnement relatif des deux murets et permet une réalisation plus rapide des deux murets, en réduisant le temps nécessaire aux opérations de positionnement de la machine de coulée en continu. De plus, une telle variante conserve l'avantage d'assurer un pré-positionnement du dispositif d'insertion par la coopération des boudins des roues avec le bord des murets.Such an alternative embodiment, although it requires the use of a machine of Continuous casting of concrete with a larger gauge, has the advantage to ensure a perfect relative positioning of the two walls and allows a realization the two walls, reducing the time required for positioning of the casting machine continuously. In addition, such a variant retains the advantage of pre-positioning the insertion device by the co-operation of the wheel flanges with the edge of the walls.

    Bien entendu, l'invention telle que définie par les revendications annexées n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention as defined by the appended claims is not limited to the described embodiment and illustrated which has been given only as an example. Modifications are possible, particular from the point of view of the constitution of the various elements or by substitution technical equivalents, without departing from the scope of protection of the invention.

    Claims (7)

    1. A method of constructing a rail track in which a concrete track slab (1) is produced and rail track anchor members (3) are inserted in said track slab (1) by an inserter system (20) mobile along the route of the rail track, which method is characterized in that it includes the following steps:
      a) using a machine (10) for continuously pouring concrete to produce two concrete walls (2) laterally delimiting the edges of the track slab (1) to be poured these two walls being produced by means of a machine (10) for continuously pouring concrete, said pouring machine (10) comprising reflectors (7) adapted to cooperate with an optical measuring device included in a measuring station (5), said station (5) being referenced with respect to topographical marker points (6) to guide the forward movement of said pouring machine (10);
      b) guiding the movement of the inserter device (20) by means of said walls (2);
      c) pouring the concrete track slab (1) between said walls (2); and
      d) using the inserter system (20) to insert anchor members (3) in the freshly poured track slab (1).
    2. A method according to claim 1 of constructing a rail track, in which said inserter system (20) has wheels (21), the distance between which is suitable for travelling on said walls (2), said wheels (21) having an external flange (21a) engaging in front of the lateral edge of the wall (2) and guiding the inserter system (20) along the wall (2).
    3. A method according to either of claims 1 and 2 of constructing a rail track, in which the inserter system (20) includes an articulated arm (23) which inserts the anchor members (3) accurately, the articulated arm (23) being positioned accurately by means of reflectors (7) carried by said arm (23) and which cooperate with the optical measuring system of said measuring station (5).
    4. A method according to any of claims 1 to 3 of constructing a rail track, in which the track slab (1) is made from concrete with a traditional formula that is fed between the two walls (2) by means of a pump or truck mixer.
    5. A method according to claim 4 of constructing a rail track, in which the track slab (1) is levelled by means of a vibrating float (22) guided by the walls (2), the accuracy of the height of the vibrating float (22) being tied to that of the walls (2).
    6. A method according to any of claims 1 to 5 of constructing a rail track, in which, before the step c) of pouring concrete to produce the track slab (1), metal armatures (4) are disposed between the two walls (2), in order to produce a reinforced concrete track slab.
    7. A method according to any of claims 1 to 6 of constructing a rail track, in which, in the step a), a concrete foundation slab (2a) lying between the two walls (2) is formed at the same time and said foundation slab (2a) has a thickness less than the height of the walls (2) in order to leave between the walls (2) a receiving cavity into which the concrete of the track slab (1) is poured.
    EP02292951A 2001-12-05 2002-11-29 Method for building a ballastless track Expired - Lifetime EP1318239B1 (en)

    Applications Claiming Priority (2)

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    FR0115730 2001-12-05
    FR0115730A FR2833023B1 (en) 2001-12-05 2001-12-05 METHOD OF CONSTRUCTING A RAIL TRACK IN WHICH A CONCRETE TRACK SLAB IS MADE AND INSERTION ELEMENTS OF THE RAIL TRACK ARE INSERTED IN THE TRACK SLAB

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    EP1318239A1 EP1318239A1 (en) 2003-06-11
    EP1318239B1 true EP1318239B1 (en) 2005-08-24

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    EP (1) EP1318239B1 (en)
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    AT (1) ATE302881T1 (en)
    AU (1) AU2002311383B2 (en)
    BR (1) BR0204955B1 (en)
    CA (1) CA2413011A1 (en)
    DE (1) DE60205707T2 (en)
    FR (1) FR2833023B1 (en)
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    EP1318239A1 (en) 2003-06-11
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    HK1058222A1 (en) 2004-05-07
    FR2833023B1 (en) 2004-05-21
    FR2833023A1 (en) 2003-06-06
    ATE302881T1 (en) 2005-09-15
    NZ522942A (en) 2003-05-30
    PL357521A1 (en) 2003-06-16
    PL212990B1 (en) 2012-12-31
    US6913717B2 (en) 2005-07-05
    US20030102586A1 (en) 2003-06-05
    AU2002311383B2 (en) 2008-03-13
    MXPA02011999A (en) 2004-07-16
    JP2003171904A (en) 2003-06-20
    KR20030046322A (en) 2003-06-12
    DE60205707D1 (en) 2005-09-29
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    KR100918504B1 (en) 2009-09-24
    JP4050979B2 (en) 2008-02-20

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