EP2850249B1 - Verfahren für den bau von eisenbahnschienen - Google Patents

Verfahren für den bau von eisenbahnschienen Download PDF

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Publication number
EP2850249B1
EP2850249B1 EP13727273.8A EP13727273A EP2850249B1 EP 2850249 B1 EP2850249 B1 EP 2850249B1 EP 13727273 A EP13727273 A EP 13727273A EP 2850249 B1 EP2850249 B1 EP 2850249B1
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EP
European Patent Office
Prior art keywords
slab
rails
rail
constructing
railway track
Prior art date
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Active
Application number
EP13727273.8A
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English (en)
French (fr)
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EP2850249A2 (de
Inventor
Patrick CIRELLI
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.)
Europeenne de Travaux Ferroviaires ETF SA
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Europeenne de Travaux Ferroviaires ETF SA
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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
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/02—Rails
    • E01B5/04—Grooved rails
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B21/00—Track superstructure adapted for tramways in paved streets

Definitions

  • the present invention is in the railway field, more particularly in the field of urban rail transport means, including tramway tracks.
  • a tramway in the city is subject to many constraints because the basement is in many places and at various depths occupied by networks.
  • a tramway in the city must be compatible with car traffic in particular, which involves burying the slabs to support the track to be built so that the top of the rails is at ground level. This excavation usually leads, prior to the construction of the road itself, to divert the existing networks. This is a long, extremely costly and time-consuming task.
  • tramway railway There are different ways to build a tramway railway, all of which start with the pouring of a foundation slab made of concrete or bituminous products (asphalt, heavy bitumen), of variable thickness according to the bearing capacity of the subsoil. and traffic expected during the life of the track, counted in number of axle transits.
  • a concrete track slab for example of extruded concrete, of sufficient strength, intended to support the track or the two parallel tracks.
  • the engravures are intended to receive the rails, they have a width slightly greater than the width of the runner of the rails, and a depth slightly greater than the height of the rail.
  • the top of the rails to be located substantially at the upper face of the track slab, it follows that the depth of these engravures and the thickness of this slab are mainly conditioned by the height of the rails. There is therefore a strong interest in using the lowest rails possible.
  • Another advantage of using the lowest possible rails is that the insulating coating products for fastening the rails have a high cost.
  • the document FR 2 816 967 A1 describes the use of a low rail for the construction of a tramway.
  • the document FR 2 852 978 A1 give another example of a low rail.
  • These rails, used for the construction of tramway tracks comprise a lower part forming a pad, an intermediate portion forming the core of the rail, and in the upper part a mushroom and a bib, the mushroom and the bib defining a throat between them .
  • the invention proposes to further reduce the depth of the engravures and thus the thickness of the channel slab. For this purpose, it proposes a method of constructing a railway line according to claim 1.
  • the method according to the invention uses rails that do not have a core so ultra-low, which allows use of shallower engravures and a slab lane less thick.
  • the height of the rails may be less than or equal to half their width.
  • the height of a rail is defined as the common height of the mushroom and the bib above the base of the pad if they have an identical height or the greatest height in the opposite case, and the width of the rail is defined as that of the rail pad.
  • the method uses rails much lower than the known rails, their height being less than half their width, and preferably between 40 and 50% of this width.
  • the foundation slab is made of concrete, it is possible to make a slab of track whose thickness is between 75% and 90% of the thickness of the foundation slab.
  • the foundation slab is made of bituminous product, it is possible to make a slab of track whose thickness is between 2 and 3 times the thickness of the foundation slab.
  • the bearing capacity of the soil must be at least 50 MPa.
  • the method may comprise the prior step of pouring the foundation slab on a prepared floor.
  • the foundation slab is provided. Otherwise the method comprises the step of producing this slab on a prepared floor.
  • the thickness of the structure composed of the foundation slab and the slab of track may be between 35 and 50 cm.
  • the method according to the invention makes it possible to gain in overall thickness of the structure, the structure being defined as the assembly consisting of the foundation slab and the track slab.
  • the gain obtained is 15 to 20% in thickness with respect to a method of the state of the art.
  • the track slab can be cast using a roller finisher, a slipform paver or a vibrating rule, depending on the possibilities and constraints of the worksites.
  • a manual implementation can just as easily be used.
  • the method may further comprise the step of performing a surface treatment on said channel tile, such as shot blasting, deactivation or printing.
  • the method may further comprise the step of depositing a thin coating such as a surface coating or resin blocks on the track slab, or of disbursing the slab of track in order to lay pavers or topsoil for planting plants, including sod.
  • a thin coating such as a surface coating or resin blocks on the track slab, or of disbursing the slab of track in order to lay pavers or topsoil for planting plants, including sod.
  • the engravings are milled in the slab of road so that there remains, under the bottom of each engravure, a thickness of concrete superior to the depth of the engravure.
  • One solution to avoid stray currents is to weld rails and embed them in a non-conductive coating, such as a polyurethane resin.
  • This coating also has the advantage, through an elastic load, for example cork or rubber, to filter the noise and vibrations caused by the passage of trains.
  • this coating has a high cost.
  • a soulless rail will require a smaller amount of potting compound.
  • the rail is maintained and positioned in the engravure very accurately, then the coating product is poured around and under the rail. Beforehand, a primer has been deposited on the walls and the bottom of the engravure, as well as on the rail.
  • a template may be used to wedge the rail relative to the bottom and the walls of said engravure.
  • the conventional method of setting the rail is to have shims at the bottom of the engravure, made of a material identical or similar to the coating product.
  • the invention proposes to use a mobile template to very precisely place the two rails at a time, which provides a time saving.
  • the insulating product may be a polyurethane resin, which may comprise an elastic load.
  • the invention also relates to a railway line according to claim 15.
  • the foundation slab 2 will have a thickness of about 19 cm. If the floor has a bearing capacity of at least 50 MPa, it is also possible to make an asphalt foundation slab. In this case, it will have a smaller thickness, typically about 11 cm.
  • the foundation slab 2 is surmounted by a slab of track 3 whose thickness depends little on the lift of the ground; it will be thicker if the foundation slab is made of bituminous product.
  • the slab of track 3 comprises two longitudinal grooves 4a, 4b, each comprising a rail 10a, 10b, intended to be embedded in a product insulation inside its respective engravure.
  • the product layer between the rail on the one hand and the walls and the bottom of the engravure on the other hand has a thickness of between 1.5 and 2.5 cm.
  • the height of the rails used thus significantly determines the overall thickness of the structure composed of the foundation slabs and track.
  • FIGS. 2A and 2B illustrate a tramway track V1, also comprising two rails, constructed according to the method of the invention, using rails without core 11a, 11b which will be described in detail below.
  • These rails have a much lower height than the rails of the state of the art, typically about 7 cm. Consequently the engravings 5a, 5b provided to receive these rails may be shallower and the track slab 3 less thick.
  • the upper face 3a of the channel tile 3 is generally substantially at the height of the rail head 11a, 11b. This upper face can undergo a surface treatment such as deactivation, shot blasting or printing.
  • the track tile 3 comprises disbursements 4a between the rails, and 4b, 4c on either side of the track V1. These disbursements make it possible to receive paving stones 6 or topsoil.
  • the figure 3 illustrates a cross section of a soulless grooved rail 11 used in the invention.
  • This rail comprises in the lower part a shoe 12 surmounted in the upper part of an assembly comprising a first transverse side a mushroom 13 and the opposite transverse side a flap 14, the mushroom 13 and the flap 14 defining between them an open groove 15 to the top.
  • the pad 12 has a lower flat base 12a on which it rests in use, extended on each side by a transverse protuberance 12b and 12c. The distance between the ends of these transverse extensions of the pad defines the width L of the rail.
  • the mushroom 13 has an upper surface 13a flat or substantially curved, and the flap 14 has an upper surface 14a flat or substantially curved.
  • the upper surface 13a of the mushroom constitutes the running surface of the rail 11 intended to receive the tread of the wheels, the bead of the wheels circulating in the groove 15.
  • the plane P which tangents these upper surfaces 13a and 14a is substantially parallel to the base 12a.
  • the distance between this plane P and the base 12a defines the height H of the rail.
  • the mushroom 13 and the flap 14 have an identical height H.
  • the mushroom 13 and the flap 14 could have a different height; in this case, the height H of the rail is defined as the larger of the two.
  • This rail 11 is characterized by an H / L ratio of less than 1 ⁇ 2.
  • a rail of this type has for example a height of about 7 cm and a width of about 16 cm, a ratio of 0.4375.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Road Paving Structures (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Claims (15)

  1. Verfahren für den Bau eines Gleises (V1) mit Schritten bestehend aus:
    - dem Gießen einer Gleisplatte (3) auf einer Fundamentplatte (2),
    - dem Ausführen von zwei parallelen Längsverwahrungen (5a, 5b) je Gleis von der Oberseite (3a) der Gleisplatte, um jeweils eine Schiene (11a, 11b) des Gleises (V1) aufzunehmen, derart, dass jede Verwahrung tiefer ist als die Schiene hoch;
    gekennzeichnet durch einen Schritt bestehend aus dem Befestigen jeder der Schienen in ihrer Verwahrung, so dass sich die Oberseite jeder der Schienen im Wesentlichen auf Höhe der Oberseite (3a) der Gleisplatte (3) befindet, wobei jede der Schienen einen Schienenfuß (12) hat, der von einem Schienenkopf (13) und einer Schürze (14) überragt wird, wobei der Schienenkopf und die Schürze zwischen sich eine Nut (15) definieren und wobei die Schienen (11a, 11b) steglose Schienen sind.
  2. Verfahren für den Bau eines Gleises nach Anspruch 1,
    dadurch gekennzeichnet, dass die Höhe (H) der Schienen (11a, 11b) kleiner oder gleich der Hälfte ihrer Breite (L) ist.
  3. Verfahren für den Bau eines Gleises nach Anspruch 2,
    dadurch gekennzeichnet, dass die Höhe (H) der Schienen (11a, 11b) zwischen 40% und 50% ihrer Breite (L) beträgt.
  4. Verfahren für den Bau eines Gleises nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass bei Herstellung der Fundamentplatte (2) aus Beton eine Gleisplatte (3) hergestellt wird, deren Dicke zwischen 75% und 90% der Dicke der Fundamentplatte beträgt.
  5. Verfahren für den Bau eines Gleises nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass bei Herstellung der Fundamentplatte (2) aus einem bitumösen Produkt eine Gleisplatte (3) hergestellt wird, deren Dicke das 2- bis 3-fache der Dicke der Fundamentplatte (2) beträgt.
  6. Verfahren für den Bau eines Gleises nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dieses den vorausgehenden Schritt umfasst, der besteht aus:
    - dem Gießen der Fundamentplatte (2) auf vorbereiteten Boden (1).
  7. Verfahren für den Bau eines Gleises nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dicke der aus der Fundamentplatte (2) und der Fahrbahnplatte (3) bestehenden Konstruktion zwischen 35 und 50 cm beträgt.
  8. Verfahren für den Bau eines Gleises nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dieses ferner den Schritt umfasst, der besteht aus:
    - der Durchführung einer Oberflächenbehandlung auf der Gleisplatte (3), wie z.B. Kugelstrahlen, Deaktivieren und/oder Prägen.
  9. Verfahren für den Bau eines Gleises nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass dieses ferner den Schritt umfasst, der besteht aus:
    - dem Aufbringen einer dünnen Beschichtung wie beispielsweise eines Oberflächenbelags oder einer Harzpflasterung auf der Gleisplatte (3).
  10. Verfahren für den Bau eines Gleises nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass dieses ferner den Schritt umfasst, der besteht aus:
    - dem Aufbringen von Muttererde für Pflanzgut, insbesondere Rasen, auf der Gleisplatte (3).
  11. Verfahren für den Bau eines Gleises nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, das der Schritt des Herstellens der Verwahrungen (5a, 5b) die Schritte umfasst, die bestehen aus:
    - dem Sägen der Wände jeder Verwahrung,
    - dem Fräsen jeder Verwahrung.
  12. Verfahren für den Bau eines Gleises nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der das Festlegen einer Schiene (11) in der jeweiligen Verwahrung (5a, 5b) umfassende Schritt besteht aus:
    - dem Installieren einer Schiene in der jeweiligen Verwahrung durch deren Abstützen bezüglich des Bodens und der Wände der Verwahrung derart, dass sich die Oberseite jeder der Schienen im Wesentlichen in Höhe der Oberseite (3a) der Gleisplatte (3) befindet,
    - dem Gießen eines Isolierprodukts um die Schiene.
  13. Verfahren für den Bau eines Gleises nach Anspruch 12, dadurch gekennzeichnet, dass zum Verkeilen der Schiene gegenüber dem Boden und den Wänden der Verwahrung eine Schablone verwendet wird, vorzugsweise eine mobile Schablone, um die beiden Schienen gleichzeitig zu verlegen.
  14. Verfahren für den Bau eines Gleises nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass das Isolierprodukt ein Harz auf Polyurethanbasis ist, das einen elastischen Füllstoff enthalten kann.
  15. Gleis (V1), das durch die Anwendung eines Verfahrens gemäß einem der vorgenannten Ansprüche hergestellt wird, umfassend:
    - eine Fundamentplatte (2),
    - eine Gleisplatte (3), die auf die Fundamentplatte gegossen ist,
    - zwei parallele Längsverwahrungen (5a, 5b), die ausgehend von der Oberseite (3a) der Gleisplatte gebildet sind, wobei jede der Verwahrungen eine Schiene (11a, 11b) des Gleises (V1) aufnimmt und tiefer ist als die Schiene hoch,
    dadurch gekennzeichnet, dass jede der Schienen in der jeweiligen Verwahrung befestigt ist, wobei die Oberseite jeder der Schienen im Wesentlichen in Höhe der Oberseite (3a) der Gleisplatte (3) liegt, wobei jede der Schienen einen Schienenfuß (12) hat, der von einem Schienenkopf (13) und einer Schürze (14) überragt wird, wobei der Schienenkopf und die Schürze zwischen sich eine Nut (15) definieren und wobei die Schienen (11a, 11b) steglose Schienen sind.
EP13727273.8A 2012-05-16 2013-05-13 Verfahren für den bau von eisenbahnschienen Active EP2850249B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1254488A FR2990704B1 (fr) 2012-05-16 2012-05-16 Procede de construction d'une voie ferree.
PCT/FR2013/051034 WO2013171412A2 (fr) 2012-05-16 2013-05-13 Procede de construction d'une voie ferree

Publications (2)

Publication Number Publication Date
EP2850249A2 EP2850249A2 (de) 2015-03-25
EP2850249B1 true EP2850249B1 (de) 2018-11-07

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EP13727273.8A Active EP2850249B1 (de) 2012-05-16 2013-05-13 Verfahren für den bau von eisenbahnschienen

Country Status (5)

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EP (1) EP2850249B1 (de)
BR (1) BR112014028200A2 (de)
DK (1) DK2850249T3 (de)
FR (1) FR2990704B1 (de)
WO (1) WO2013171412A2 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503590A1 (de) * 1974-09-13 1976-04-01 Beton Es Vasbetonipari Muevek Blockschienen-gleissystem mit gummiabbindung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8711451U1 (de) * 1987-08-24 1988-12-22 Phoenix Ag, 2100 Hamburg Elastisches Stützlager für Rillen- oder Blockschienen
EP0489100B1 (de) * 1989-08-26 1995-03-29 LESLEY, Lewis, Prof. Schiene
FR2816967B1 (fr) * 2000-11-23 2004-09-17 Cogifer Tf Voie ferree pour vehicule guide et appareil dote d'une telle voie ferree
GB2393750A (en) * 2001-08-23 2004-04-07 Hyperlast Ltd Method of making rail support assemblies
FR2852978B1 (fr) 2003-03-25 2006-08-25 Cogifer Tf Rail a semelle dissymetrique et application a la constitution d'une voie ferree

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503590A1 (de) * 1974-09-13 1976-04-01 Beton Es Vasbetonipari Muevek Blockschienen-gleissystem mit gummiabbindung

Also Published As

Publication number Publication date
FR2990704B1 (fr) 2015-06-05
WO2013171412A2 (fr) 2013-11-21
BR112014028200A2 (pt) 2017-06-27
FR2990704A1 (fr) 2013-11-22
WO2013171412A3 (fr) 2014-03-27
DK2850249T3 (en) 2019-02-18
EP2850249A2 (de) 2015-03-25

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