EP1316646B1 - Concrete work construction method and use thereof in railway, subway or tramway tracks - Google Patents

Concrete work construction method and use thereof in railway, subway or tramway tracks Download PDF

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Publication number
EP1316646B1
EP1316646B1 EP02292600A EP02292600A EP1316646B1 EP 1316646 B1 EP1316646 B1 EP 1316646B1 EP 02292600 A EP02292600 A EP 02292600A EP 02292600 A EP02292600 A EP 02292600A EP 1316646 B1 EP1316646 B1 EP 1316646B1
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EP
European Patent Office
Prior art keywords
construction method
concrete
composite
section
rail
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
Application number
EP02292600A
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German (de)
French (fr)
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EP1316646A1 (en
Inventor
Jean Ehrsam
Jacques Malod-Panisset
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Alstom SA
Original Assignee
Vossloh Infrastructure Services
Alstom SA
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Publication of EP1316646A1 publication Critical patent/EP1316646A1/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
    • 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
    • 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 invention relates generally to construction methods for concrete structures, in particular railways for train, metro or tram.
  • the processes comprising a step of type a / are more and more frequently used because they allow a rate of construction of the concrete block very fast.
  • the fresh concrete is continuously molded by a automatic machine following the course of the track to to build.
  • the mold includes two grooves which spare engravings in the concrete mass.
  • the rails are arranged by sections in the engravings, butt welded, then manually calibrated in height and spacing one by relative to the other, leaving a minimum spacing by compared to the edges of the engravings.
  • a resilient material, like resin, is then poured into reglets.
  • This technique is fast for laying concrete, but is slow for laying and setting the rails. She is therefore generally reserved for portions of fairly short tracks, such as level crossings.
  • the rail coated with a elastic material is first put in place in a trench along the course and calibrated manually according to the expected profile. Then, the construction of the linear massif and the insertion of the coated rail in this massif are performed simultaneously. Fresh concrete is poured in continuous in the trench, along the course, around the prepositioned coated rail.
  • This second technique requires creating a trench. In addition, the setting of the rails is slow.
  • the invention aims to overcome the problems mentioned above.
  • the construction process according to the invention is essentially characterized in that the stages of construction of the linear block and setting of the profile composite are simultaneous.
  • the step of fitting the profile composite precedes simultaneous construction steps linear mass and setting of the composite profile.
  • the composite profile can be guided laterally during the step of molding the solid linear.
  • the composite profile can be guided vertically during the solid molding step linear.
  • step b / setting up the profile composite along said predetermined path can understand a section setting operation separated along the said predetermined route and a butt connection operation of these sections separated.
  • the fresh concrete can be fluidized mechanically during the solid molding operation linear.
  • the composite profile can be lifted and pass through the mass of fresh concrete before simultaneous steps a / and d /.
  • the composite profile can be a rail wrapped in resilient material.
  • the resilient material can be placed around the rail after step b / and before simultaneous steps a / and d /.
  • the composite profile can comprise a metal profile and a filling material.
  • the composite profile may include a metal profile, a rail at least partially inserted into the metal profile, and a material resilient filling the metal profile.
  • the metal profile can include notched side faces.
  • the method according to the invention can be applied to the construction of a railway for a train, a metro or a tram.
  • railroad constructed in this way includes a linear massif continuous concrete 10 following a predetermined path, carrying two engravings 12 parallel limited each by lateral edges 13 and a bottom 14.
  • two rails 20 are at least partially inserted each in an engraving 12 and positioned precisely for follow a predetermined profile.
  • the main parameters by which rails 20 are wedged are the spacing between the rails 20, the height, and the play between the edges 13 of the engravings and the rails 20.
  • Cleanliness concrete 15 is first poured along of the route of the track. Then the linear massif 10 is continuously built on the surface of clean concrete 15, using a machine carrying a mold 16 moving along the course. Fresh concrete 17 is pumped or placed in front of the machine, the mold giving it a predetermined shape as and when advancement of the machine.
  • the predetermined form is generally substantially rectangular, both engravings 12 being located on an upper face 18 of the linear mass 10.
  • the rails 20 are deposited in sections in the engravings 12 and are butt welded.
  • these rails 20 are positioned precisely at using wedges, so that they follow the profile predetermined.
  • a resilient material 19 is injected into the engravings 12 to fill them up to a level predetermined. This resilient material 19 allows particular to dampen the vibrations caused by the tram, metro or train trains.
  • Positioning shims are recycled or lost.
  • the stages of construction of the linear massif 10 and setting the rails 20 are simultaneous in each point along the track.
  • a concrete of cleanliness 15 is first sank along the predetermined course of the way.
  • the rails 20 are then arranged in sections on along this same predetermined route and butt welded end.
  • the rails 20 are not stalled at this stage of the process.
  • the resilient material 19 is then put in place around the rails.
  • This resilient material 19 can be molded on site. It can also be preformed into blocks in the workshop, the rail 20 then being inserted into the block of resilient material preformed by an opening provided at this effect.
  • the linear block 10 is constituted and the rails 20 are positioned using a machine 30 which circulates along the route.
  • this machine 30 carries a mold 32, a guide system 34 of the rail 20, and two brackets 36 located at the front of the machine following the normal direction of travel of the machine 30, represented by an arrow in Figures 6 and 7.
  • the brackets 36 are provided with gripping members 37 of rail 20, sliding along this rail 20 as it goes measurement of the progress of the machine 30.
  • These organs of gripping 37 are for example simple hooks.
  • a mass of fresh concrete 17 is deposited periodically in front of the machine 30. This fresh concrete passes in the mold 32 when the machine 30 advances and acquires a predetermined shape.
  • the fresh concrete 17 used is very dense and very viscous. While in mold 32, this concrete fresh 17 is fluidized by a mechanical device not shown equipping the machine 30. This device can by example be a vibrator. Fresh concrete 17 is distributed thus uniformly in the mold.
  • the mold 32 does not contain grooves for create engravings and present a shape section generally substantially rectangular and includes drains 31 at the front.
  • the rails 20 coated with the resilient material 19 pass through the fresh concrete 17 deposited in front of the machine 30 and pass through the mold 32.
  • These rails 20 are wedged according to the profile predetermined by the guidance system 34 composed of a set of positioning means.
  • the distance between the rails 20 is adjusted by two plates 37 carried by an inner face 33 of the mold 32, as shown in Figures 3 and 4.
  • Each plate 37 guides a rail 20. They have a different shape depending on the type of rail.
  • plate 37 For a "grooved" type rail, comprising a groove 201 as shown in Figure 3, plate 37 carries a pin 371 of a shape corresponding to that of the groove 201. The pin 371 is engaged and moves in permanence along the gorge 201.
  • the spacing of the pins 371 of the two plates 37 is very precisely adjusted according to the spacing of wheels of the oars which must run on the track.
  • the plate 37 carries a groove 372 facing rail 20 and limited by two flanges 373.
  • Rail 20 comprises a head 202, substantially cylindrical.
  • the throat 372 is semi-cylindrical and follows the outline of the head 202 of the rail.
  • the spacing of the grooves 372 from the two plates 37 is very precisely adjusted according to the spacing of wheels of the oars which must run on the track.
  • the plates 37 extend over at least part the length of the machine 30 and are strictly parallel.
  • the lateral position of the rails 20 is determined by the lateral position of the machine 30.
  • the position side of the machine 30 is checked at all times compared to an external reference 38 which determines the trajectory of the machine 30.
  • This lateral position is transmitted to the rails 20 both by plates 37 and by lateral guides 39.
  • lateral guides 39 are linked to the mold 32. This are for example pebbles, as shown in the Figure 7, or pads, as shown in the figures 2, 3 and 4.
  • Each pair includes two side guides 39 located opposite each side of the rail 20.
  • the pads are typically brackets, one of which face 391 is fixed to the underside 33 of the mold 32 and another perpendicular face 392 slides on one side vertical of rail wrapped in resilient material 19.
  • rollers have vertical axes and roll on a vertical side of the rail wrapped in material resilient 19.
  • the vertical position of the rail 20 can be adjusted by at least two different devices, which can be used jointly or alternatively.
  • One or more electromagnets 40 arranged above of the mold 32, as shown in FIGS. 3 and 4, hold the rail 20 pressed against the underside 33 of the mold 32.
  • the plates 37 are made of non-magnetic material, like some types of steel.
  • Two sets of electromagnets 40 are arranged parallel over the length of the machine 30, above the rails 20.
  • guides vertical, skids or rollers 41 represented on the FIG. 6 are linked to the mold 32.
  • Each pair includes two side guides 41 located opposite, one above and the other below of rail 20.
  • rollers have horizontal axes and roll on a horizontal side of the rail wrapped in resilient material 19.
  • the two variant embodiments can be combined and 30 machines can be placed in the machine electromagnets 40 above the rails 20 and the rollers 41 or pads under rail 20.
  • Fresh concrete 17 fluidized by the device mechanical mentioned above coats the rails 20 and the resilient material 19, which are engulfed in the massive 10 exactly as if the process of the prior art had been used.
  • These metal sections 45 have a U-shaped section open upwards and have vertical blanks 47. They must be filled with filling material to increase the rigidity of the assembly and avoid deformation at the time of installation, in particular due to hydrostatic pressure of fresh concrete on the blanks 47 of the U, of the pressure of the lateral or vertical guides, or due to the action of the gallows.
  • the filling material is chosen in such a way so that it can be easily removed and replaced. We can thus create by this process for example gutters where piping or electrical conduits.
  • External faces 48 of the vertical blanks of the metal profiles 45 can be notched so as to improve the anchoring of these sections 45 in the concrete.
  • the method according to the invention can also be applied by replacing rail 20 with a set comprising a U-shaped metal profile 45, a rail 49 at least partially inserted in the metal profile 45 and a resilient material 50 filling the metal profile 45 up to a predetermined level, as shown in Figure 5.
  • the metal U-shaped profile is open at the top.
  • the rail 49 can be of the Vignole or grooved type.
  • the resilient material is typically a resin.
  • the metal profile 45 can be notched on the outer faces 48 to improve the solid anchoring in concrete.
  • the mold 32 can be equipped with scrapers and brushes removing traces of fresh concrete deposited on the upper face of the rail.
  • This process can be applied to the construction of tram, metro, regional train or mainline trains running up to speeds important, for example 160 km / h.
  • Speeds can be achieved with a rectification of channel micro-faults, for example by grinding.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Sewage (AREA)
  • Road Paving Structures (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Coating With Molten Metal (AREA)
  • Road Paving Machines (AREA)

Abstract

The construction of the railway track uses a continuous linear concrete base (10) in which there is at least one composite profile (21). The process includes simultaneously casting fresh concrete (17) continuously along the length of the mould, setting the rail in place, and wedging, in a continuous process moving along the track of the rail. The construction procedure includes production of a continuous, massive linear concrete base (10) which follows a predetermined line, and setting at least one composite profile (21) into this concrete in order to be positioned with precision. The procedure includes a first stage of constructing the concrete base by casting fresh concrete (17) continuously along the length of the mould. The composite profile is then put in place along the predetermined path, and then the profile is inserted into the concrete and wedged in position. The stages of construction of the concrete base, and the insertion and wedging of the composite profile are carried out simultaneously in each part of the track as the construction process moves along the route. The composite profile is guided laterally and vertically during the process of casting the concrete.

Description

L'invention concerne de manière générale les procédés de construction d'ouvrages en béton, notamment de voies ferrées pour train, métro ou tramway.The invention relates generally to construction methods for concrete structures, in particular railways for train, metro or tram.

Plus particulièrement, l'invention concerne un procédé de construction d'un ouvrage en béton, cet ouvrage comprenant un massif linéaire continu en béton suivant un parcours prédéterminé et au moins un profilé composite au moins partiellement inséré dans le massif et positionné précisément pour suivre un profil prédéterminé, ce procédé comprenant au moins les étapes de

  • a/ construction du massif linéaire par moulage d'une masse de béton frais en continu le long du dit parcours prédéterminé,
  • b/ mise en place du profilé composite le long du dit parcours prédéterminé,
  • c/ calage dudit profilé d'après ledit profil prédéterminé,
  • d/ insertion du profilé composite dans le massif linéaire, les étapes de construction dudit massif linéaire et d'insertion dudit profilé composite étant simultanées.
    • More particularly, the invention relates to a method of constructing a concrete structure, this structure comprising a continuous linear concrete block following a predetermined path and at least one composite profile at least partially inserted into the block and positioned precisely to follow a predetermined profile, this method comprising at least the steps of
  • a / construction of the linear massif by molding a mass of fresh concrete continuously along the said predetermined path,
  • b / placement of the composite section along said predetermined path,
  • c / setting of said profile according to said predetermined profile,
  • d / insertion of the composite section into the linear section, the stages of construction of said linear section and insertion of said composite section being simultaneous.

    • Les procédés comprenant une étape de type a/ sont de plus en plus fréquemment employés car ils permettent une cadence de construction du massif en béton très rapide. Le béton frais est moulé en continu par une machine automatique suivant le parcours de la voie à construire.The processes comprising a step of type a / are more and more frequently used because they allow a rate of construction of the concrete block very fast. The fresh concrete is continuously molded by a automatic machine following the course of the track to to build.

    Selon une première technique, illustrée sur la figure 1, le moule comprend deux rainures qui ménagent des engravures dans le massif de béton. Après solidification du béton, les rails sont disposés par tronçons dans les engravures, soudés bout à bout, puis calés manuellement en hauteur et en écartement l'un par rapport à l'autre, en laissant un écartement minimum par rapport aux bords des engravures. Un matériau résilient, comme de la résine, est ensuite coulé dans les engravures.According to a first technique, illustrated on the Figure 1, the mold includes two grooves which spare engravings in the concrete mass. After solidification of the concrete, the rails are arranged by sections in the engravings, butt welded, then manually calibrated in height and spacing one by relative to the other, leaving a minimum spacing by compared to the edges of the engravings. A resilient material, like resin, is then poured into reglets.

    Cette technique est rapide pour la pose du béton, mais est lente pour la pose et le calage des rails. Elle est de ce fait généralement réservée à des portions de voies assez courtes, comme des passages à niveau.This technique is fast for laying concrete, but is slow for laying and setting the rails. She is therefore generally reserved for portions of fairly short tracks, such as level crossings.

    Selon une seconde technique, décrite dans le document de brevet EP-A-0 939 164, le rail enrobé d'un matériau élastique est d'abord mis en place dans une tranchée le long du parcours et calé manuellement d'après le profil prévu. Puis, la construction du massif linéaire et l'insertion du rail enrobé dans ce massif sont réalisées simultanément. Du béton frais est coulé en continu dans la tranchée, le long du parcours, autour du rail enrobé prépositionné. Cette seconde technique nécessite de créer une tranchée. De plus, le calage des rails est lent.According to a second technique, described in patent document EP-A-0 939 164, the rail coated with a elastic material is first put in place in a trench along the course and calibrated manually according to the expected profile. Then, the construction of the linear massif and the insertion of the coated rail in this massif are performed simultaneously. Fresh concrete is poured in continuous in the trench, along the course, around the prepositioned coated rail. This second technique requires creating a trench. In addition, the setting of the rails is slow.

    Par ailleurs, le calage manuel des rails ne permet pas de garantir une grande précision, ce qui rend l'utilisation des deux techniques impossible pour la construction des voies à grande vitesse.Furthermore, the manual setting of the rails does not allow not guarantee high accuracy, which makes the use of both techniques impossible for the construction of high speed tracks.

    Dans ce contexte, l'invention vise à pallier les problèmes mentionnés ci-dessus.In this context, the invention aims to overcome the problems mentioned above.

    A cette fin, le procédé de construction selon l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que les étapes de construction du massif linéaire et de calage du profilé composite sont simultanées.To this end, the construction process according to the invention, moreover conforms to the definition generic as given in the preamble above, is essentially characterized in that the stages of construction of the linear block and setting of the profile composite are simultaneous.

    Dans un mode de réalisation possible de l'invention, l'étape de mise en place du profilé composite précède les étapes simultanées de construction du massif linéaire et de calage du profilé composite.In one possible embodiment of the invention, the step of fitting the profile composite precedes simultaneous construction steps linear mass and setting of the composite profile.

    Avantageusement, le profilé composite peut être guidé latéralement pendant l'étape de moulage du massif linéaire. Advantageously, the composite profile can be guided laterally during the step of molding the solid linear.

    De préférence, le profilé composite peut être guidé verticalement pendant l'étape de moulage du massif linéaire.Preferably, the composite profile can be guided vertically during the solid molding step linear.

    Par exemple, l'étape b/ de mise en place du profilé composite le long du dit parcours prédéterminé peut comprendre une opération de mise en place de tronçons séparés le long du dit parcours prédéterminé et une opération de connexion bout à bout de ces tronçons séparés.For example, step b / setting up the profile composite along said predetermined path can understand a section setting operation separated along the said predetermined route and a butt connection operation of these sections separated.

    Avantageusement, le béton frais peut être fluidifié mécaniquement pendant l'opération de moulage du massif linéaire.Advantageously, the fresh concrete can be fluidized mechanically during the solid molding operation linear.

    De préférence, le profilé composite peut être soulevé et traverser la masse de béton frais avant les étapes simultanées a/ et d/.Preferably, the composite profile can be lifted and pass through the mass of fresh concrete before simultaneous steps a / and d /.

    Par exemple, le profilé composite peut être un rail enveloppé d'un matériau résilient.For example, the composite profile can be a rail wrapped in resilient material.

    Avantageusement, le matériau résilient peut être mis en place autour du rail après l'étape b/ et avant les étapes simultanées a/ et d/.Advantageously, the resilient material can be placed around the rail after step b / and before simultaneous steps a / and d /.

    De préférence, le profilé composite peut comprendre un profilé métallique et un matériau de remplissage.Preferably, the composite profile can comprise a metal profile and a filling material.

    Par exemple, le profilé composite peut comprendre un profilé métallique, un rail au moins partiellement inséré dans le profilé métallique, et un matériau résilient remplissant le profilé métallique.For example, the composite profile may include a metal profile, a rail at least partially inserted into the metal profile, and a material resilient filling the metal profile.

    Avantageusement, le profilé métallique peut comprendre des faces latérales crantées.Advantageously, the metal profile can include notched side faces.

    Le procédé selon l'invention peut être appliqué à la construction d'une voie ferrée pour un train, un métro ou un tramway.The method according to the invention can be applied to the construction of a railway for a train, a metro or a tram.

    D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est donnée ci-dessous, à titre indicatif et nullement limitatif, en références aux figures annexées, parmi lesquelles :

    • la figure 1 est une représentation schématique des principales étapes d'un procédé de construction selon l'art antérieur,
    • la figure 2 est une représentation schématique identique à celle de la figure 1 pour le procédé de construction selon l'invention,
    • la figure 3 est une représentation schématique d'un détail du moule utilisé par le procédé de la figure 2,
    • la figure 4 est une représentation identique à celle de la figure 3, dans une variante de réalisation de l'invention,
    • la figure 5 est une section d'un type de profilé composite mis en place par le procédé de la figure 2,
    • la figure 6 est une vue de côté d'un ouvrage en cours de construction par le procédé de la figure 2,
    • la figure 7 est une vue de dessus correspondant à la figure 6, et
    • la figure 8 est une vue en coupe d'un détail de l'ouvrage réalisé par le procédé de la figure 2.
    Other characteristics and advantages of the invention will emerge clearly from the description which is given below thereof, by way of indication and in no way limiting, with reference to the appended figures, among which:
    • FIG. 1 is a schematic representation of the main steps of a construction method according to the prior art,
    • FIG. 2 is a schematic representation identical to that of FIG. 1 for the construction method according to the invention,
    • FIG. 3 is a schematic representation of a detail of the mold used by the method of FIG. 2,
    • FIG. 4 is a representation identical to that of FIG. 3, in an alternative embodiment of the invention,
    • FIG. 5 is a section of a type of composite profile put in place by the method of FIG. 2,
    • FIG. 6 is a side view of a structure under construction by the method of FIG. 2,
    • FIG. 7 is a top view corresponding to FIG. 6, and
    • FIG. 8 is a sectional view of a detail of the structure produced by the method of FIG. 2.

    Des voies ferrées urbaines sont réalisées en béton depuis plus 40 ans pour des tramways ou des métros. Cette technique de construction est maintenant quasiment la seule employée.Urban railways are made of concrete for over 40 years for trams or metros. This construction technique is now almost the single employee.

    Le procédé de construction connu de l'homme du métier sous la dénomination anglo-saxonne « slip-form » est apparu récemment et se répand rapidement. La voie ferrée construite ainsi comprend un massif linéaire continu en béton 10 suivant un parcours prédéterminé, portant deux engravures 12 parallèles limitées chacune par des bords latéraux 13 et un fond 14. Généralement deux rails 20 sont au moins partiellement insérés chacun dans une engravure 12 et positionnés précisément pour suivre un profil prédéterminé. The construction process known to man of the profession under the Anglo-Saxon name "slip-form" appeared recently and is spreading rapidly. The way railroad constructed in this way includes a linear massif continuous concrete 10 following a predetermined path, carrying two engravings 12 parallel limited each by lateral edges 13 and a bottom 14. Generally two rails 20 are at least partially inserted each in an engraving 12 and positioned precisely for follow a predetermined profile.

    Les principaux paramètres suivant lesquels les rails 20 sont calés sont l'écartement entre les rails 20, la hauteur, et le jeu entre les bords 13 des engravures et les rails 20.The main parameters by which rails 20 are wedged are the spacing between the rails 20, the height, and the play between the edges 13 of the engravings and the rails 20.

    Ces rails 20 sont en appui continu sur les fonds 14 des engravures.These rails 20 are continuously supported on the bottoms 14 engravings.

    Les principales étapes de ce procédé sont représentées sur la figure 1.The main steps of this process are shown in Figure 1.

    Un béton de propreté 15 est d'abord coulé le long du parcours de la voie. Puis le massif linéaire 10 est construit en continu sur la surface du béton de propreté 15, à l'aide d'une machine portant un moule 16 se déplaçant le long du parcours. Du béton frais 17 est pompé ou déposé devant la machine, le moule lui conférant une forme prédéterminée au fur et à mesure de l'avancement de la machine. La forme prédéterminée est généralement sensiblement rectangulaire, les deux engravures 12 étant situées sur une face supérieure 18 du massif linéaire 10.Cleanliness concrete 15 is first poured along of the route of the track. Then the linear massif 10 is continuously built on the surface of clean concrete 15, using a machine carrying a mold 16 moving along the course. Fresh concrete 17 is pumped or placed in front of the machine, the mold giving it a predetermined shape as and when advancement of the machine. The predetermined form is generally substantially rectangular, both engravings 12 being located on an upper face 18 of the linear mass 10.

    Une fois le béton frais solidifié, les rails 20 sont déposés par tronçons dans les engravures 12 et sont soudés bout à bout.Once the fresh concrete has solidified, the rails 20 are deposited in sections in the engravings 12 and are butt welded.

    Puis ces rails 20 sont positionnés précisément à l'aide de cales, de façon à ce qu'ils suivent le profil prédéterminé.Then these rails 20 are positioned precisely at using wedges, so that they follow the profile predetermined.

    Ces rails 20 peuvent être complètement insérés dans les engravures 12, affleurer au niveau de la face supérieure 18 ou être légèrement en saillie par rapport à cette face supérieure 18.These rails 20 can be completely inserted into the engravings 12, flush with the face upper 18 or be slightly protruding from this upper face 18.

    Enfin, un matériau résilient 19 est injecté dans les engravures 12 pour les remplir jusqu'à un niveau prédéterminé. Ce matériau résilient 19 permet en particulier d'amortir les vibrations provoquées par le passages de rames de tramway, de métro ou de train.Finally, a resilient material 19 is injected into the engravings 12 to fill them up to a level predetermined. This resilient material 19 allows particular to dampen the vibrations caused by the tram, metro or train trains.

    Les cales de positionnement sont recyclées ou perdues. Positioning shims are recycled or lost.

    Selon le procédé de l'invention, représenté sur la figure 2, les étapes de construction du massif linéaire 10 et de calage des rails 20 sont simultanées en chaque point du parcours de la voie.According to the method of the invention, shown in the Figure 2, the stages of construction of the linear massif 10 and setting the rails 20 are simultaneous in each point along the track.

    Comme précédemment, un béton de propreté 15 est d'abord coulé le long du parcours prédéterminé de la voie. Les rails 20 sont ensuite disposés par tronçons le long de ce même parcours prédéterminé et soudés bout à bout. Les rails 20 ne sont pas calés à ce stade du procédé.As before, a concrete of cleanliness 15 is first sank along the predetermined course of the way. The rails 20 are then arranged in sections on along this same predetermined route and butt welded end. The rails 20 are not stalled at this stage of the process.

    Le matériau résilient 19 est alors mis en place autour des rails. Ce matériau résilient 19 peut être moulé sur place. Il peut également être préformé en blocs en atelier, le rail 20 étant ensuite inséré dans le bloc de matériau résilient préformé par une ouverture prévue à cet effet.The resilient material 19 is then put in place around the rails. This resilient material 19 can be molded on site. It can also be preformed into blocks in the workshop, the rail 20 then being inserted into the block of resilient material preformed by an opening provided at this effect.

    Puis, en une seule étape, le massif linéaire 10 est constitué et les rails 20 sont positionnés à l'aide d'une machine 30 qui circule le long du parcours.Then, in a single step, the linear block 10 is constituted and the rails 20 are positioned using a machine 30 which circulates along the route.

    Comme le montrent les figures 6 et 7, cette machine 30 porte un moule 32, un système de guidage 34 du rail 20, et de deux potences 36 situées à l'avant de la machine en suivant le sens d'avancement normal de la machine 30, représenté par une flèche sur les figures 6 et 7.As shown in Figures 6 and 7, this machine 30 carries a mold 32, a guide system 34 of the rail 20, and two brackets 36 located at the front of the machine following the normal direction of travel of the machine 30, represented by an arrow in Figures 6 and 7.

    Les potences 36 sont munies d'organes de préhension 37 du rail 20, glissant le long de ce rail 20 au fur et à mesure de l'avancement de la machine 30. Ces organes de préhension 37 sont par exemple de simples crochets.The brackets 36 are provided with gripping members 37 of rail 20, sliding along this rail 20 as it goes measurement of the progress of the machine 30. These organs of gripping 37 are for example simple hooks.

    Une masse de béton frais 17 est déposée périodiquement devant la machine 30. Ce béton frais passe dans le moule 32 quand la machine 30 avance et acquiert une forme prédéterminée.A mass of fresh concrete 17 is deposited periodically in front of the machine 30. This fresh concrete passes in the mold 32 when the machine 30 advances and acquires a predetermined shape.

    Le béton frais 17 utilisé est très dense et très visqueux. Pendant qu'il est dans le moule 32, ce béton frais 17 est fluidifié par un dispositif mécanique non représenté équipant la machine 30. Ce dispositif peut par exemple être un vibreur. Le béton frais 17 se réparti ainsi de façon uniforme dans le moule.The fresh concrete 17 used is very dense and very viscous. While in mold 32, this concrete fresh 17 is fluidized by a mechanical device not shown equipping the machine 30. This device can by example be a vibrator. Fresh concrete 17 is distributed thus uniformly in the mold.

    A la sortie du moule 32, l'effet du dispositif mécanique s'atténue très rapidement et le béton frais 17 se solidifie très rapidement.On leaving the mold 32, the effect of the device mechanical attenuation very quickly and fresh concrete 17 solidifies very quickly.

    Contrairement aux moules utilisés dans l'art antérieur, le moule 32 ne contient pas de rainures pour créer des engravures et présente une section de forme générale sensiblement rectangulaire et comprend des avaloirs 31 à l'avant.Unlike the molds used in the art front, the mold 32 does not contain grooves for create engravings and present a shape section generally substantially rectangular and includes drains 31 at the front.

    Les rails 20 revêtus du matériau résilient 19 passent à travers le bétons frais 17 déposé devant la machine 30 et traversent le moule 32.The rails 20 coated with the resilient material 19 pass through the fresh concrete 17 deposited in front of the machine 30 and pass through the mold 32.

    Ces rails 20 sont calés suivant le profil prédéterminé par le système de guidage 34 composé d'un ensemble de moyens de positionnement.These rails 20 are wedged according to the profile predetermined by the guidance system 34 composed of a set of positioning means.

    L'écartement entre les rails 20 est ajusté par deux plaques 37 portés par une face intérieure 33 du moule 32, comme le montre les figures 3 et 4.The distance between the rails 20 is adjusted by two plates 37 carried by an inner face 33 of the mold 32, as shown in Figures 3 and 4.

    Chaque plaque 37 guide un rail 20. Elles présentent une forme différente en fonction du type de rail.Each plate 37 guides a rail 20. They have a different shape depending on the type of rail.

    Pour un rail de type « à gorge », comprenant une gorge 201 comme représenté sur la figure 3, la plaque 37 porte un ergot 371 de forme correspondante à celle de la gorge 201. L'ergot 371 est engagé et se déplace en permanence le long de la gorge 201.For a "grooved" type rail, comprising a groove 201 as shown in Figure 3, plate 37 carries a pin 371 of a shape corresponding to that of the groove 201. The pin 371 is engaged and moves in permanence along the gorge 201.

    L'écartement des ergots 371 des deux plaques 37 est ajusté très précisément en fonction de l'écartement des roues des rames qui doivent circuler sur la voie.The spacing of the pins 371 of the two plates 37 is very precisely adjusted according to the spacing of wheels of the oars which must run on the track.

    Pour un rail de type « Vignole », représenté sur la figure 4, la plaque 37 porte une gorge 372 tournée vers le rail 20 et limitée par deux rebords 373. Le rail 20 comprend une tête 202, sensiblement cylindrique. La gorge 372 est semi-cylindrique et épouse le contour de la tête 202 du rail. For a “Vignole” type rail, shown on the Figure 4, the plate 37 carries a groove 372 facing rail 20 and limited by two flanges 373. Rail 20 comprises a head 202, substantially cylindrical. The throat 372 is semi-cylindrical and follows the outline of the head 202 of the rail.

    L'écartement des gorges 372 des deux plaques 37 est ajusté très précisément en fonction de l'écartement des roues des rames qui doivent circuler sur la voie.The spacing of the grooves 372 from the two plates 37 is very precisely adjusted according to the spacing of wheels of the oars which must run on the track.

    Les plaques 37 s'étendent sur au moins une partie de la longueur de la machine 30 et sont rigoureusement parallèles.The plates 37 extend over at least part the length of the machine 30 and are strictly parallel.

    La position latérale des rails 20 est déterminée par la position latérale de la machine 30. La position latérale de la machine 30 est contrôlée à chaque instant par rapport à une référence extérieure 38 qui détermine la trajectoire de la machine 30.The lateral position of the rails 20 is determined by the lateral position of the machine 30. The position side of the machine 30 is checked at all times compared to an external reference 38 which determines the trajectory of the machine 30.

    Cette position latérale est transmise aux rails 20 à la fois par les plaques 37 et par des guides latéraux 39.This lateral position is transmitted to the rails 20 both by plates 37 and by lateral guides 39.

    Ces guides latéraux 39 sont liés au moule 32. Ce sont par exemple des galets, comme représenté sur la figure 7, ou des patins, comme représenté sur les figures 2, 3 et 4.These lateral guides 39 are linked to the mold 32. This are for example pebbles, as shown in the Figure 7, or pads, as shown in the figures 2, 3 and 4.

    Deux paires de deux guides latéraux 39 pour chaque rail 20 sont représentés sur la figure 7, mais ces guides peuvent être plus nombreux.Two pairs of two side guides 39 for each rail 20 are shown in Figure 7, but these guides may be more numerous.

    Chaque paire comprend deux guides latéraux 39 situés en vis-à-vis de chaque côté du rail 20.Each pair includes two side guides 39 located opposite each side of the rail 20.

    Les patins sont typiquement des équerres dont une face 391 est fixée sur la face inférieure 33 du moule 32 et une autre face perpendiculaire 392 glisse sur un côté vertical du rail enveloppé de matériau résilient 19.The pads are typically brackets, one of which face 391 is fixed to the underside 33 of the mold 32 and another perpendicular face 392 slides on one side vertical of rail wrapped in resilient material 19.

    Les galets présentent des axes verticaux et roulent sur un côté vertical du rail enveloppé de matériau résilient 19.The rollers have vertical axes and roll on a vertical side of the rail wrapped in material resilient 19.

    La position verticale du rail 20 peut être ajustée par au moins deux dispositifs différents, qui peuvent être utilisés conjointement ou alternativement.The vertical position of the rail 20 can be adjusted by at least two different devices, which can be used jointly or alternatively.

    Un ou plusieurs électroaimants 40, disposés au-dessus du moule 32, comme le montre les figure 3 et 4, maintiennent le rail 20 plaqué contre la face inférieure 33 du moule 32. Dans ce cas les plaques 37 sont constituées d'un matériau amagnétique, comme certains types d'acier. Deux séries d'électroaimants 40 sont disposées parallèlement sur la longueur de la machine 30, au dessus des rails 20.One or more electromagnets 40, arranged above of the mold 32, as shown in FIGS. 3 and 4, hold the rail 20 pressed against the underside 33 of the mold 32. In this case the plates 37 are made of non-magnetic material, like some types of steel. Two sets of electromagnets 40 are arranged parallel over the length of the machine 30, above the rails 20.

    Dans une variante de réalisation, des guides verticaux, des patins ou des galets 41 représentés sur la figure 6, sont liés au moule 32.In an alternative embodiment, guides vertical, skids or rollers 41 represented on the FIG. 6 are linked to the mold 32.

    Deux paires de deux guides latéraux 41 pour chaque rail 20 sont représentés sur la figure 6, mais ces guides peuvent être plus nombreux.Two pairs of two lateral guides 41 for each rail 20 are shown in Figure 6, but these guides may be more numerous.

    Chaque paire comprend deux guides latéraux 41 situés en vis-à-vis, l'un au dessus et l'autre au dessous du rail 20.Each pair includes two side guides 41 located opposite, one above and the other below of rail 20.

    Les galets présentent des axes horizontaux et roulent sur un côté horizontal du rail enveloppé de matériau résilient 19.The rollers have horizontal axes and roll on a horizontal side of the rail wrapped in resilient material 19.

    Les deux variantes de réalisation peuvent être combinées et on peut disposer dans la machine 30 des électroaimants 40 au-dessus des rails 20 et des galets 41 ou des patins en dessous du rail 20.The two variant embodiments can be combined and 30 machines can be placed in the machine electromagnets 40 above the rails 20 and the rollers 41 or pads under rail 20.

    Le béton frais 17 fluidifié par le dispositif mécanique mentionné ci-dessus vient enrober les rails 20 et le matériau résilient 19, qui se trouvent engoncés dans le massif linéaire 10 exactement comme si le procédé de l'art antérieur avait été utilisé.Fresh concrete 17 fluidized by the device mechanical mentioned above coats the rails 20 and the resilient material 19, which are engulfed in the massive 10 exactly as if the process of the prior art had been used.

    Il est important de noter que les guides latéraux 39 et verticaux 40 et 41 situés le plus à l'arrière du moule 32 doivent impérativement être disposés à une certaine distance de l'extrémité arrière de ce moule 32, de façon à ce que le béton frais 17 fluidifié ait le temps de combler l'empreinte laissée par les guides avant de sortir de la zone où le dispositif de fluidification est efficace.It is important to note that the side guides 39 and verticals 40 and 41 located furthest behind the mold 32 must imperatively be arranged at a certain distance from the rear end of this mold 32, so that the fresh fluidized concrete 17 has the time to fill the imprint left by the guides before get out of the area where the fluidization device is effective.

    Quand les rails 20 sortent du moule 30 après avoir été calés en position, ces rails ne bougent plus puisque le béton frais sort très rapidement de la zone de fluidification et se solidifie. Il peut se produire un léger tassement vertical des rails 20, mais ce tassement sera uniforme sur toute la longueur de la voie, celle-ci étant réalisée dans des conditions similaires le long de tout le parcours.When the rails 20 come out of the mold 30 after having been locked in position, these rails no longer move since fresh concrete leaves the area very quickly fluidifies and solidifies. There may be a slight vertical compaction of the rails 20, but this compaction will be uniform over the entire length of the track, this one being performed under similar conditions along all the way.

    La voie est alors terminée.The way is then finished.

    Le procédé décrit ci-dessus peut être appliqué en substituant aux rails 20 toutes sortes de profilés composites 21, comme des profilés métalliques 45 remplis d'un matériau de remplissage.The method described above can be applied by substituting for rails 20 all kinds of profiles composites 21, like filled metal profiles 45 filling material.

    Ces profilés métalliques 45 ont une section en U ouvert vers le haut et présentent des flans verticaux 47. Ils doivent être remplis du matériau de remplissage pour accroítre la rigidité de l'ensemble et éviter une déformation au moment de la pose, en particulier du fait de la pression hydrostatique du béton frais sur les flans 47 du U, de la pression des guides latéraux ou verticaux, ou du fait de l'action de la potence.These metal sections 45 have a U-shaped section open upwards and have vertical blanks 47. They must be filled with filling material to increase the rigidity of the assembly and avoid deformation at the time of installation, in particular due to hydrostatic pressure of fresh concrete on the blanks 47 of the U, of the pressure of the lateral or vertical guides, or due to the action of the gallows.

    Le matériau de remplissage est choisi de telle sorte qu'il peut être retiré facilement et être remplacé. On peut ainsi créer par ce procédé par exemple des caniveaux où seront disposées des tuyauteries ou des gaines électriques.The filling material is chosen in such a way so that it can be easily removed and replaced. We can thus create by this process for example gutters where piping or electrical conduits.

    Des faces extérieures 48 des flans verticaux des profilés métalliques 45 peuvent être crantées de façon à améliorer l'ancrage de ces profilés 45 dans le béton.External faces 48 of the vertical blanks of the metal profiles 45 can be notched so as to improve the anchoring of these sections 45 in the concrete.

    Le procédé selon l'invention peut également être appliqué en substituant au rail 20 un ensemble comprenant un profilé métallique en U 45, un rail 49 au moins partiellement inséré dans le profilé métallique 45 et un matériau résilient 50 remplissant le profilé métallique 45 jusqu'à un niveau prédéterminé, comme représenté sur la figure 5.The method according to the invention can also be applied by replacing rail 20 with a set comprising a U-shaped metal profile 45, a rail 49 at least partially inserted in the metal profile 45 and a resilient material 50 filling the metal profile 45 up to a predetermined level, as shown in Figure 5.

    Le profilé métallique en U est ouvert vers le haut. Le rail 49 peut être de type Vignole ou à gorge. Le matériau résilient est typiquement une résine. Comme décrit précédemment, le profilé métallique 45 peut être cranté sur les faces extérieures 48 pour améliorer la solidité de l'ancrage dans le béton.The metal U-shaped profile is open at the top. The rail 49 can be of the Vignole or grooved type. The resilient material is typically a resin. As described above, the metal profile 45 can be notched on the outer faces 48 to improve the solid anchoring in concrete.

    On notera que l'appui des rails 20 dans le massif de béton 10 est continu, ce qui permet d'utiliser des rails bas non inertiels et réduit donc la hauteur du massif 10. On réalise ainsi des gains de temps de construction et des économies de matières, béton et matériau résilient.It will be noted that the support of the rails 20 in the massif of concrete 10 is continuous, which allows the use of low non-inertial rails and therefore reduces the height of the massive 10. This saves time by construction and savings in materials, concrete and resilient material.

    Si on veut éviter que la face supérieure du rail, sur laquelle roulent les rames, soit salie en passant à travers le béton frais, il est possible de disposer un cache de propreté sur celle-ci. Le cache est mis en place après le soudage bout à bout des tronçons de rail, et retiré une fois le rail sorti du moule.If we want to avoid the upper side of the rail, on which the trains run, or soiled by passing to through the fresh concrete, it is possible to arrange a cover of cleanliness on this one. The cover is put in place after butt welding of the rail sections, and removed once the rail is out of the mold.

    Alternativement, le moule 32 peut être équipé de racleurs et de balais éliminant les traces de béton frais déposées sur la face supérieure du rail.Alternatively, the mold 32 can be equipped with scrapers and brushes removing traces of fresh concrete deposited on the upper face of the rail.

    Le procédé de l'invention a été décrit dans le cadre de la construction d'une voie à deux rails parallèles, mais il peut bien entendu être utilisé pour la construction de voies à un rail ou à trois rails et plus moyennant des adaptations simples.The process of the invention has been described in part of the construction of a track with two rails parallel, but it can of course be used for the construction of single or three rail tracks and more with simple adaptations.

    Ce procédé peut être appliqué à la construction de voies de tramways, de métros, de trains régionaux ou de trains de grandes lignes circulant jusqu'à des vitesses importantes, par exemple 160 km/h. Des vitesses supérieures peuvent être atteintes, moyennant une rectification des microdéfauts de la voie, par exemple par meulage.This process can be applied to the construction of tram, metro, regional train or mainline trains running up to speeds important, for example 160 km / h. Speeds can be achieved with a rectification of channel micro-faults, for example by grinding.

    Claims (13)

    1. Concrete work construction method, this work consisting of a continuous linear slab in concrete (10) following a predetermined pathway, and at least one composite section (21) at least partly inserted in the slab (10) and positioned precisely to follow a determined profile, this method comprising at least the steps of:
      a/constructing the linear slab (10), by casting a mass of fresh concrete (17) continuously along said predetermined pathway,
      b/ positioning the composite section (21) along said predetermined pathway,
      c/ clamping said section according to said predetermined profile,
      d/ inserting the composite profile (21) in the linear slab (10), the steps of constructing said linear slab and inserting said composite section being simultaneous, characterized in that the steps of constructing the linear slab (10) and clamping the composite section (21) are simultaneous.
    2. Construction method as in claim 1, characterized in that the step of positioning the composite section (21) precedes the simultaneous steps of constructing the linear slab (10) and clamping the composite section (21).
    3. Construction method as in claim 2, characterized in that the composite profile (21) is guided laterally during the casting step of the linear slab (10).
    4. Construction method as in claim 2 or 3, characterized in that the composite section (21) is guided vertically during the casting step of the linear slab (10).
    5. Construction method as in any of claims 2 to 4, characterized in that step b/ for positioning composite section (21) along said predetermined pathway comprises an operation of positioning separate segments along said predetermined pathway and an operation connecting said separate segments end to end.
    6. Construction method as in any of claims 1 to 5, characterized in that the fresh concrete (17) is mechanically fluidised during the casting operation of the linear slab (10).
    7. Construction method as in any of claims 2 to 6, characterized in that the composite section (21) is raised and crosses the mass of fresh concrete (17) before simultaneous steps a/ and d/.
    8. Construction method as in any of claims 1 to 7, characterized in that the composite section (21) is a rail ((20) encased in a resilient material (19).
    9. Construction method as in claim 8, characterized in that the resilient material (19) is placed in position around the rail (20) after step b/ and before simultaneous steps a/ and d/.
    10. Construction method as in any of claims 1 to 7, characterized in that the composite section (21) comprises a metal section (45) and a filler material.
    11. Construction method as in any of claims 1 to 7, characterized in that the composite section (21) comprises a metal section (45), a rail (49) at least partly inserted in the metal section (45) and a resilient material (50) filling the metal section (45).
    12. Construction method as in claim 10 or 11, characterized in that the metal section (45) comprises notched side faces.
    13. Application of the construction method as in any of claims 1 to 12 to the construction of track for a railway, subway or tramway.
    EP02292600A 2001-11-28 2002-10-21 Concrete work construction method and use thereof in railway, subway or tramway tracks Expired - Lifetime EP1316646B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0115387A FR2832742B1 (en) 2001-11-28 2001-11-28 METHOD FOR CONSTRUCTING CONCRETE STRUCTURES AND APPLICATION TO RAILWAY TRACKS FOR TRAINS, METROS OR TRAMWAYS
    FR0115387 2001-11-28

    Publications (2)

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    EP1316646A1 EP1316646A1 (en) 2003-06-04
    EP1316646B1 true EP1316646B1 (en) 2004-06-30

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    AT (1) ATE270360T1 (en)
    DE (1) DE60200687T2 (en)
    DK (1) DK1316646T3 (en)
    ES (1) ES2224035T3 (en)
    FR (1) FR2832742B1 (en)
    HK (1) HK1055770A1 (en)
    PT (1) PT1316646E (en)

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    Publication number Priority date Publication date Assignee Title
    FR2928940B1 (en) * 2008-03-21 2010-04-02 Systra PROCESS FOR THE PREFABRICATION OF LONGRINES TRACK SUPPORT ON A PREFABRICATED WORK
    BE1019172A5 (en) * 2010-02-03 2012-04-03 Cdm N V ELECTRIC INSULATION FOR A VIBRATION DAMPER WITH AN ELASTIC M ANTEL FOR CONTINUALLY SUPPORTED RAIL BARS.
    BE1019171A3 (en) * 2010-02-03 2012-04-03 Cdm N V METHOD FOR MANUFACTURING A RAILWAY BED WITH AN EMBEDDED CONTINUALLY SUPPORTED RAILWAY

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    DE4436260C2 (en) * 1994-10-11 2003-04-30 Zueblin Ag Method for fixing tracks in ballastless track superstructure and apparatus for carrying out this method
    FR2775303B1 (en) * 1998-02-26 2000-06-23 Alsthom Cge Alcatel METHOD FOR CONSTRUCTING A RAILWAY TRACK
    FR2776683A1 (en) * 1998-03-27 1999-10-01 Spie Batignolles Tp RAIL TRACK CONSTRUCTION METHOD, UNIT TRACK PANEL, MACHINE FOR DEPOSITING SUCH PANELS, CONCRETE MACHINE, AND RAIL TRACK
    DE19911467A1 (en) * 1999-03-15 2000-09-21 Knape Vermoegensverwaltungs Gm Track construction with insulated / elastic mounting of rails on a support layer formed around insulating material / elastic material

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    HK1055770A1 (en) 2004-01-21
    FR2832742B1 (en) 2004-07-09
    ES2224035T3 (en) 2005-03-01
    DE60200687T2 (en) 2005-06-30
    DK1316646T3 (en) 2004-11-29
    DE60200687D1 (en) 2004-08-05
    PT1316646E (en) 2004-11-30
    FR2832742A1 (en) 2003-05-30
    EP1316646A1 (en) 2003-06-04
    ATE270360T1 (en) 2004-07-15

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