EP0935022A1 - Reinforced concrete sleeper for an urban track - Google Patents

Reinforced concrete sleeper for an urban track Download PDF

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Publication number
EP0935022A1
EP0935022A1 EP99470002A EP99470002A EP0935022A1 EP 0935022 A1 EP0935022 A1 EP 0935022A1 EP 99470002 A EP99470002 A EP 99470002A EP 99470002 A EP99470002 A EP 99470002A EP 0935022 A1 EP0935022 A1 EP 0935022A1
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EP
European Patent Office
Prior art keywords
rail
support
slab
block
sleeper
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.)
Granted
Application number
EP99470002A
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German (de)
French (fr)
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EP0935022B1 (en
Inventor
Patrick Pelletier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stradal SA
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Stradal SA
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Publication date
Application filed by Stradal SA filed Critical Stradal SA
Publication of EP0935022A1 publication Critical patent/EP0935022A1/en
Application granted granted Critical
Publication of EP0935022B1 publication Critical patent/EP0935022B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E01B3/36—Composite sleepers
    • 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
    • E01B3/40—Slabs; Blocks; Pot sleepers; Fastening tie-rods to them

Definitions

  • the present invention relates to a reinforced concrete sleeper for track rail incorporated in an urban area with a concrete “biblock” type support slab essentially comprising two side blocks connected by a spacer metallic, a rail being fixed on each block by rail fastening fixings.
  • the object of the invention is to overcome the drawbacks of the sleepers of the art as described for example in documents FR 1 387179 A and EP 0 465 390 A, these sleepers must remain thin at the level of the blocks while allowing drainage of runoff water.
  • a concrete cross member is proposed for this purpose. reinforced for railways, incorporated into a concrete support block of the biblock type comprising two side blocks connected by a metal spacer, one rail being fixed to each block by rail fastening fixings, characterized in that the thickness of the blocks under the rail support is reduced and in that the spacer comprises in the central part a bending (16) allowing the production of a drainage of runoff in the support slab substantially along the axis of the way.
  • a cross-piece (1) of the biblock type according to the invention is in the form of reinforced concrete side blocks (2,3) interconnected by a spacer (4) whose lateral parts (4a, 4b) are taken in the concrete body of each block (2,3).
  • the spacer thus gives the cross member a rigidity facilitating the phases of handling and installation of said crosspiece.
  • the blocks are sealed in a support slab (12).
  • the bearing area (5,6) of the rail (7,8) of each block (2,3) has in accordance with the invention a thickness reduced, for example by a thickness about 120 mm.
  • the spacer (4) comprises for example in the central section a bending (16) downwards making it possible, despite the reduced size of the cross member, drainage pipe (11) for runoff water at the level of the support slab (12) substantially along the axis (13) of the track.
  • the support slab (12) present at its face higher a slope (15) on either side of the axis of the track allowing lead the runoff to the drainage conduit (11).
  • each block (2,3) has in the lower part a steel frame (9,10) embedded in the concrete body of said block, said reinforcement extending outside and laterally at each block.
  • These frames (9,10) "outgoing" in the lower part of each blocjetjet allow a connection between the cross member and the support slab.
  • the rails (7,8) are fixed to the blocks (2,3) at the support zones by via traditional rail fasteners (14), for example type STEDEF (NABLA, AP or RN) or of type PANDROL (FASCLIP) or of type VOSSLOH.
  • traditional rail fasteners for example type STEDEF (NABLA, AP or RN) or of type PANDROL (FASCLIP) or of type VOSSLOH.
  • the crosspiece (1) according to the invention further comprises an adjustment system track altitude before casting (not shown).
  • the rail attachment fasteners (14) and the adjustment system are protected by an attachment protection cover (not shown).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Railway Tracks (AREA)
  • Road Paving Structures (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Glass Compositions (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)

Abstract

The steel reinforced concrete sleeper (1) for a railway or tram track has a concreted support slab (12). This slab comprises two lateral blocks (2,3) connected by a metal brace (4). A rail (7,8) is fixed on each block by rail fixing fasteners (14). The thickness of the blocks under the rail support is reduced and the brace has in its central part a bend (16) enabling the forming of a rainwater drainage conduit (11) in the support slab approximately along the track axis.

Description

La présente invention a pour objet une traverse en béton armé pour voie ferrée incorporée en zone urbaine à une dalle support bétonnée du type "biblocs" comportant essentiellement deux blochets latéraux reliés par une entretoise métallique, un rail étant fixé sur chaque blochet par des fixations d'attache de rail.The present invention relates to a reinforced concrete sleeper for track rail incorporated in an urban area with a concrete “biblock” type support slab essentially comprising two side blocks connected by a spacer metallic, a rail being fixed on each block by rail fastening fixings.

Actuellement, il existe deux techniques principales pour la réalisation de voies ferrées en zones urbaines :

  • la première consiste à réaliser des voies sans traverse avec ancrage des fixations de rail directement dans la dalle support de voie, les rails étant prépositionnés à l'aide de mannequins avant le coulage de la dalle support. Cette technique est lourde à mettre en oeuvre et d'un coût élevé car elle fait appel à une main d'oeuvre importante. En outre, elle ne permet que des cadences de pose lentes et n'autorise pas l'utilisation de dispositif d'amortissement performant.
  • la deuxième utilise des traverses classiques prépositionnées avant coulage de la dalle en béton qui supporte l'ensemble de la voie. Ces traverses ont, notamment au niveau de la zone d'appui du rail, une épaisseur importante entraínant un coût élevé pour la réalisation des voies. De plus, ces traverses ne disposent pas de dispositif permettant de lier les traverses à la dalle support.
Currently, there are two main techniques for making railways in urban areas:
  • the first consists in making tracks without a crosspiece with anchoring the rail fasteners directly in the track support slab, the rails being pre-positioned using mannequins before the casting of the support slab. This technique is cumbersome to implement and of a high cost because it requires a large workforce. In addition, it only allows slow installation rates and does not allow the use of an efficient damping device.
  • the second uses conventional sleepers prepositioned before pouring the concrete slab which supports the entire track. These sleepers have, in particular at the support area of the rail, a large thickness resulting in a high cost for the realization of the tracks. In addition, these sleepers do not have a device for linking the sleepers to the support slab.

Le but de l'invention est de pallier les inconvénients des traverses de l'art antérieur telles que décrites par exemple dans les documents FR 1 387179 A et EP 0 465 390 A, ces traverses devant rester d'épaisseur faible au niveau des blochets tout en permettant un drainage des eaux de ruissellement.The object of the invention is to overcome the drawbacks of the sleepers of the art as described for example in documents FR 1 387179 A and EP 0 465 390 A, these sleepers must remain thin at the level of the blocks while allowing drainage of runoff water.

Conformément à l'invention, on propose à cette fin une traverse en béton armé pour voie ferrée, incorporée à une dalle support bétonnée du type biblocs comportant deux blochets latéraux reliés par une entretoise métallique, un rail étant fixé sur chaque blochet par des fixations d'attache de rail, caractérisée en ce que l'épaisseur des blochets sous l'appui du rail est réduite et en ce que l'entretoise comporte en partie centrale un cintrage (16) permettant la réalisation d'un conduit de drainage des eaux de ruissellement dans la dalle support sensiblement suivant l'axe de la voie. In accordance with the invention, a concrete cross member is proposed for this purpose. reinforced for railways, incorporated into a concrete support block of the biblock type comprising two side blocks connected by a metal spacer, one rail being fixed to each block by rail fastening fixings, characterized in that the thickness of the blocks under the rail support is reduced and in that the spacer comprises in the central part a bending (16) allowing the production of a drainage of runoff in the support slab substantially along the axis of the way.

On comprendra mieux l'invention à l'aide de la description qui suit faite en référence aux dessins annexés dans lesquels :

  • La figure 1 est une vue en coupe transversale par rapport à l'axe de la voie,
  • La figure 2 est une vue de dessus d'une traverse selon l'invention.
The invention will be better understood with the aid of the description which follows, given with reference to the appended drawings in which:
  • FIG. 1 is a view in cross section with respect to the axis of the track,
  • Figure 2 is a top view of a crosspiece according to the invention.

Une traverse (1) de type biblocs selon l'invention se présente sous la forme de blochets latéraux (2,3) en béton armé reliés entre eux par une entretoise (4) dont les parties latérales (4a,4b) sont prises dans le corps en béton de chaque blochet (2,3). L'entretoise confère ainsi à la traverse une rigidité facilitant les phases de manutention et de pose de ladite traverse.A cross-piece (1) of the biblock type according to the invention is in the form of reinforced concrete side blocks (2,3) interconnected by a spacer (4) whose lateral parts (4a, 4b) are taken in the concrete body of each block (2,3). The spacer thus gives the cross member a rigidity facilitating the phases of handling and installation of said crosspiece.

Les blochets sont scellés dans une dalle support (12).The blocks are sealed in a support slab (12).

La zone d'appui (5,6) du rail (7,8) de chaque blochet (2,3) présente conformément à l'invention une épaisseur réduite par exemple d'une épaisseur d'environ 120 mm.The bearing area (5,6) of the rail (7,8) of each block (2,3) has in accordance with the invention a thickness reduced, for example by a thickness about 120 mm.

En outre, l'entretoise (4) comporte par exemple en section centrale un cintrage (16) vers le bas permettant de réaliser malgré la dimension réduite de traverse un conduit de drainage (11) des eaux de ruissellement au niveau de la dalle support (12) sensiblement suivant l'axe (13) de la voie.In addition, the spacer (4) comprises for example in the central section a bending (16) downwards making it possible, despite the reduced size of the cross member, drainage pipe (11) for runoff water at the level of the support slab (12) substantially along the axis (13) of the track.

Avantageusement, la dalle support (12) présente au niveau de sa face supérieure une pente (15) de part et d'autre de l'axe de la voie permettant de conduire les eaux de ruissellement vers le conduit de drainage (11).Advantageously, the support slab (12) present at its face higher a slope (15) on either side of the axis of the track allowing lead the runoff to the drainage conduit (11).

De manière avantageuse, chaque blochet (2,3) comporte en partie inférieure une armature (9,10) en acier enrobée dans le corps en béton dudit blochet, ladite armature s'étendant à l'extérieur et latéralement à chaque blochet. Ces armatures (9,10) "sortantes" en partie inférieure de chaque blocjet permettent une liaison entre la traverse et la dalle support.Advantageously, each block (2,3) has in the lower part a steel frame (9,10) embedded in the concrete body of said block, said reinforcement extending outside and laterally at each block. These frames (9,10) "outgoing" in the lower part of each blocjetjet allow a connection between the cross member and the support slab.

Les rails (7,8) sont fixés aux blochets (2,3) au niveau des zones d'appui par l'intermédiaire de fixations d'attache de rails (14) traditionnelles, par exemple type STEDEF (NABLA, AP ou RN) ou de type PANDROL (FASCLIP) ou de type VOSSLOH.The rails (7,8) are fixed to the blocks (2,3) at the support zones by via traditional rail fasteners (14), for example type STEDEF (NABLA, AP or RN) or of type PANDROL (FASCLIP) or of type VOSSLOH.

La traverse (1) selon l'invention comporte en outre un système de réglage d'altitude de voie avant coulage (non représenté).The crosspiece (1) according to the invention further comprises an adjustment system track altitude before casting (not shown).

Avantageusement, les fixations d'attache de rail (14) et le système de réglage d'altitude sont protégés par un capot de protection d'attache (non représenté).Advantageously, the rail attachment fasteners (14) and the adjustment system are protected by an attachment protection cover (not shown).

Claims (5)

Traverse (1) en béton armé pour voie ferrée, incorporée en zone urbaine, à une dalle support (12) bétonnée du type biblocs comportant deux blochets latéraux (2,3) reliés par une entretoise métallique (4), un rail (7,8) étant fixé sur chaque blochet (2,3) par des fixations d'attache de rail (14), caractérisée en ce que l'épaisseur des blochets sous l'appui du rail est réduite et en ce que l'entretoise comporte en partie centrale un cintrage (16) permettant la réalisation d'un conduit de drainage (11) des eaux de ruissellement dans la dalle support (12) sensiblement suivant l'axe (13) de la voie.Reinforced concrete sleeper (1) for railways, incorporated in urban areas, a concrete slab (12) of the biblock type comprising two blocks side (2,3) connected by a metal spacer (4), a rail (7,8) being fixed on each block (2,3) by rail fastening fixings (14), characterized in that the thickness of the blocks under the rail support is reduced and in that the spacer comprises in the central part a bending (16) allowing the realization of a drainage conduit (11) of the water runoff in the support slab (12) substantially along the axis (13) of the way. Traverse selon la revendication 1, caractérisée en ce que la dalle support (12) comporte au niveau de sa face supérieure une pente (15) permettant de conduire les eaux de ruissellement vers le conduit de drainage (11).Cross member according to claim 1, characterized in that the support slab (12) has a slope (15) at its upper face allowing to conduct the runoff to the drainage conduit (11). Traverse selon l'une quelconque des revendications 1 et 2, caractérisée en ce que chaque blocjet (2,3) comporte en partie inférieure une armature (9,10) en acier enrobée dans le corps en béton dudit blochet, ladite armature s'étendant à l'extérieur et latéralement à chaque blochet pour permettre une liaison avec la dalle support (12).Sleeper according to either of Claims 1 and 2, characterized in what each blockjet (2,3) comprises in the lower part a frame (9,10) of steel coated in the concrete body of said block, said reinforcement extending outside and laterally at each block for allow a connection with the support slab (12). Traverse selon l'une quelconque des revendications 1 à 3, caractérisée en ce qu'elle comporte en outre un système de réglage d'altitude de voie avant coulage.Sleeper according to any one of Claims 1 to 3, characterized in which it further includes a track altitude adjustment system before pouring. Traverse selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'elle reçoit en outre un capot de protection d'attache protégeant les fixations d'attache de rail (14) et le système de réglage d'altitude.Sleeper according to any one of Claims 1 to 4, characterized in which it also receives a protective cover for attachment protecting the rail fasteners (14) and the altitude adjustment system.
EP99470002A 1998-02-09 1999-02-05 Railway track, especially for urban tracks Expired - Lifetime EP0935022B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9801657A FR2774708B1 (en) 1998-02-09 1998-02-09 REINFORCED CONCRETE CROSSING FOR RAILWAY IN URBAN AREAS
FR9801657 1998-02-09

Publications (2)

Publication Number Publication Date
EP0935022A1 true EP0935022A1 (en) 1999-08-11
EP0935022B1 EP0935022B1 (en) 2004-06-09

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ID=9522874

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EP99470002A Expired - Lifetime EP0935022B1 (en) 1998-02-09 1999-02-05 Railway track, especially for urban tracks

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EP (1) EP0935022B1 (en)
AT (1) ATE268834T1 (en)
DE (1) DE69917818T2 (en)
ES (1) ES2221737T3 (en)
FR (1) FR2774708B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115787365B (en) * 2023-01-03 2023-10-20 内蒙古中铁轨枕制造有限公司 Concrete ballastless sleeper and forming die

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1682666A (en) * 1927-08-01 1928-08-28 William P Day Rail support
US1745747A (en) * 1929-07-15 1930-02-04 William P Day Roadbed construction for railways
FR1387179A (en) * 1963-12-12 1965-01-29 Ferroviaires Soc Railway track without ballast and device for its installation
EP0465390A1 (en) * 1990-07-06 1992-01-08 Societe Pour L'etancheite, Les Revetements Et Les Protections Railway track

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1682666A (en) * 1927-08-01 1928-08-28 William P Day Rail support
US1745747A (en) * 1929-07-15 1930-02-04 William P Day Roadbed construction for railways
FR1387179A (en) * 1963-12-12 1965-01-29 Ferroviaires Soc Railway track without ballast and device for its installation
EP0465390A1 (en) * 1990-07-06 1992-01-08 Societe Pour L'etancheite, Les Revetements Et Les Protections Railway track

Also Published As

Publication number Publication date
ES2221737T3 (en) 2005-01-01
EP0935022B1 (en) 2004-06-09
FR2774708A1 (en) 1999-08-13
ATE268834T1 (en) 2004-06-15
FR2774708B1 (en) 2003-01-31
DE69917818T2 (en) 2005-07-14
DE69917818D1 (en) 2004-07-15

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