EP0465390B1 - Gleis - Google Patents

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Publication number
EP0465390B1
EP0465390B1 EP91420222A EP91420222A EP0465390B1 EP 0465390 B1 EP0465390 B1 EP 0465390B1 EP 91420222 A EP91420222 A EP 91420222A EP 91420222 A EP91420222 A EP 91420222A EP 0465390 B1 EP0465390 B1 EP 0465390B1
Authority
EP
European Patent Office
Prior art keywords
concrete
rail
viscoelastic material
ballast
supports
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
EP91420222A
Other languages
English (en)
French (fr)
Other versions
EP0465390A1 (de
Inventor
Jean-Marie Trevin
Thierry Faivre
Jacques Boure
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.)
POUR L'ETANCHEITE LES REVETEMENTS ET LES PROTECTIONS Ste
SNCF Mobilites
Original Assignee
POUR L'ETANCHEITE LES REVETEMENTS ET LES PROTECTIONS Ste
SNCF Mobilites
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9398864&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0465390(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by POUR L'ETANCHEITE LES REVETEMENTS ET LES PROTECTIONS Ste, SNCF Mobilites filed Critical POUR L'ETANCHEITE LES REVETEMENTS ET LES PROTECTIONS Ste
Publication of EP0465390A1 publication Critical patent/EP0465390A1/de
Application granted granted Critical
Publication of EP0465390B1 publication Critical patent/EP0465390B1/de
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
    • E01B3/46—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from different materials

Definitions

  • the constituents of a synthetic elastomer, including the swelling agent are mixed, and the mixture obtained is injected into a mold, or conformator with vents, surrounding the crosspiece, and providing with the latter a volume for receiving and expanding the mixture during polymerization. After hardening, the former is removed to obtain an elastomer sole that adheres directly to the surface of the crosspiece.
  • a railway track comprising a relatively hard platform, a ballast disposed on the latter, rail supports comprising at least one concrete part, two rail rows arranged and fixed parallel to said supports, on one side of the concrete part, as well as a visco-elastic material sole linked to at least said concrete part, on its underside opposite the rails.
  • a railroad track comprising a relatively hard platform, a ballast disposed on the latter, rail supports comprising at least one concrete part, two rail lines arranged and fixed parallel to said supports, on one side at least said concrete part, and a sole made of visco-elastic material, linked to at least said concrete part on its underside opposite the rail, the visco-elastic material being a substantially non-porous material, having a density greater than 0.9 and / or a Shore A hardness at least equal to 65.
  • the present invention which relates to a railroad track, a rail support, and a method for obtaining a rail support, respectively according to claims 1,4,6 or 1,3,4 annexed, is interested in the action of visco-elastic soles as identified above, with respect to the attrition of the concrete parts of the different track supports, in contact with the ballast.
  • viscoelastic material any material, natural or synthetic, having mechanically the properties of a rubber, that is to say both flexible, significantly deformable, and elastic.
  • ballast wear and packing appears essential for the operation of current railways, on which convoys that are becoming heavier, or faster and faster, such as high-speed trains.
  • the wear of the ballast is increased compared to that of other types of support, due to the greater inertia of concrete parts or elements, and in particular on platforms. hard, or engineering structures with a concrete deck. This wear normally leads to a degradation of the geometry of the track, more and more rapid between each leveling-dressing operation, and eventually requires the renewal of the ballast, if only to restore it to suitable rheological and drainage properties. .
  • the frequency of these operations is reduced, or at equal frequency of these operations, the thickness or volume of the ballast can be reduced.
  • the solution according to the invention provides an additional stage of elasticity to the railway, in addition to that already existing between the rail and the cross-member. This contributes to reducing the overall stiffness of the rail / sleeper / ballast system. This also makes it possible to dissipate in the aforementioned system the vibratory energy generated by the rolling loads, in particular when the latter cannot be absorbed by the platform, for example if the latter is a concrete deck of a structure. .
  • the present invention also provides another advantage relating to the use of the visco-elastic material, for example a synthetic elastomer.
  • a synthetic elastomer for example a synthetic elastomer.
  • the visco-elastic material in the liquid state. or pasty, during polymerization, directly on concrete parts.
  • the elastomer can be deposited in a layer, according to at least one of the following techniques, namely spraying, casting, application by brush or roller, on the underside at least of the concrete parts.
  • This procedure generally consists in rotating in a steel drum, steel balls, calibrated ballast elements and, concrete cubes uniformly coated, without joints, with a layer of visco-elastic material , in particular elastomer, to be tested, and to observe the weight loss of these cubes, as a function of the number of revolutions of the drum.
  • the load is then introduced into a steel drum of a testing machine, with a rotational speed of 33.33 revolutions / minute. At regular intervals, for example every 500 revolutions, the machine is stopped, the ballast and the concrete blocks are weighed, and their weight loss is noted, in percentage relative to P 'and P respectively.
  • the visco-elastic materials suitable according to the invention must lead to a loss of weight of the concrete cubes, according to the procedure explained above, of less than 0.2%, after 1500 revolutions of the drum of the testing machine.
  • Such a material is for example identified and retained in accordance with the table below according to the procedure described above: CONCRETE coated with 5 mm of BAYTEC elastomer material BALLAST TOTAL WEIGHT Initial weight 2795 g 2790 g 5585 g 500 turns 2793 g 2625 g 5418 g 1000 turns 2793 g 2530 g 5323 g 1500 turns 2792 g 2439 g 5231 g 2000 turns 2792 g 2376 g 5168 g 2500 turns 2790 g 2312 g 5102 g
  • polyurethane It is for example a two-component polyurethane, as sold by the Company BAYER under the names BAYTEC 308/309 and BAYTEC 310/309.
  • This polyurethane is obtained directly, that is to say without solvent, by direct polymerization of a polyetherpolyol and DMI (disocyanate-diphenylmethane).
  • This polyurethane can be used with any suitable material for hot spraying, with drying of the spraying air, for example a material of the UNIPRE brand.
  • a sleeper according to the invention or rail support, comprises two pieces 1 of reinforced concrete, or blocks, spaced from one another, and connected by a metal spacer 2.
  • the two blocks On the upper side the two blocks are fixed respectively two rails 3, in suitable recesses recessed slightly inclined towards one another, and with fixing means not shown.
  • An elastic sole, not shown, is interposed between the rail and each block.
  • two soles 4 are fixed in viscoelastic or elastomeric material, according to an adhesion zone corresponding to the entire surface of the lower face 1b of the two blocks 1. Consequently, the two blocks 1 are placed on the two flanges 4 respectively, the latter being in contact with the ballast 5; and along the entire underside 1b of the blocks 1, the elastomeric material retained is integral with the substrate or concrete of said blocks.
  • the lower face 1b of a single-piece concrete cross member 1 is coated with a sole 4 of elastomeric material, adhering to the substrate of the cross member according to two separate adhesion zones, corresponding to two buffers 4a and 4b, arranged opposite the two rails 3 respectively.
  • FIG. 5 it is a concrete support 1 for a switchway.
  • the underside 1b of support is partially covered by a sole 4 of visco-elastic material, consisting of different buffers 4a, 4b and 4c, arranged vertically above the rails 3 of the track apparatus respectively.
  • FIG. 6 it is a simple concrete block 1, coated on its underside 1b with a sole 4 made of elastomeric material, adhering on one side to the concrete substrate, and in contact with the other. side with ballast 5.
  • Supports or crosspieces in accordance with the present invention as shown in FIG. 1, and coated with the BAYTEC material with a thickness of 0.5 cm, were tested according to the procedure known as "unidirectional vibrator", explained with reference to the figure. 7.
  • ballast load 51 In a concrete pit 50, there is a ballast load 51, having a minimum DRG hardness coefficient of 17 according to standard NF F 53695.
  • a crosspiece 52 with its blocks 53 is arranged horizontally in the pit on the ballast.
  • Two rails 54 of limited length are each mounted on a block, parallel to each other, and perpendicular to the crosspiece.
  • Two loads 55 are applied to the two ends respectively of the same rail, five meters on either side of the cross-member, to give each rail an arrow of approximately 10 cm, and to represent a preload of 40 kN on the crosses.
  • a unidirectional vibrator then transmits to the cross-member to be tested, via a beam and the two rails 54, a sinusoidal vertical force of ⁇ 45 kN, at the frequency of 50 Hz.
  • the test consists of vibrating the cross member for 200 hours, 5 hours a day, and in 30-minute cycles, followed by 15 minutes of rest. At the end of the test, the condition of the element tested, in this case the underside of the concrete blocks, is observed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Lock And Its Accessories (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Moving Of Heads (AREA)

Claims (6)

  1. Eisenbahngleis mit einer verhältnismäßig harten Plattform, einer Schotterung auf dieser letzteren, weiterhin mit Schienenträgern, die wenigstens ein Betonstück (1) umfassen, mit zwei parallelen, auf den Trägern auf einer Seite des wenigstens einen Betonstückes befestigten Schienensträngen (3) und mit einer Unterlage (4) aus einem viskoelastischen Material, die mit dem wenigstens einen Betonstück (1) auf dessen der Schiene (3) abgewandten Unterseite (1b) verbunden ist, wobei das viskoelastische Material ein im wesentlichen nicht-poröses Material ist, das eine Dichte über 0,9 und/oder eine Shore-Härte A von mindestens 65 aufweist, und wobei das viskoelastische Material der Unterlage (4) an dem Untergrund des wenigstens einen Betonstückes (1) entlang einer Vielzahl von getrennten Haftbereichen, insbesondere entlang zweier zu den zwei Schienensträngen (3) lotrechten Puffern (4a, 4b) anhaftet, wobei ferner das viskoeleastische Material eine Zersplitterungs- und Abriebfestigkeit aufweist, die gemäß einem Standard-Testverfahren des Typs Los Angeles als Gewichtsverlust von mit dem Material bedeckten Betonwürfeln ausgedrückt wird und weniger als 0,2 % nach 1500 Umdrehungen der Trommel der Testapparatur beträgt.
  2. Eisenbahngleis nach Anspruch 1, dadurch gekennzeichnet, daß die Shore-Härte A des viskoelastischen Materials zwischen 65 und 77 liegt.
  3. Schienenträger für ein Eisenbahngleis, der mindestens ein Betonstück (1) umfaßt, das auf seiner Unterseite (1b), die der eine Schiene (3) aufnehmenden Seite abgewandt ist, mit einer Unterlage (4) aus einem viskoelastischen Material verbunden ist, wobei das viskoelastische Material ein im wesentlichen nicht-poröses Material ist, das eine Dichte über 0,9 und/oder eine Shore-Härte A von mindestens 65 aufweist, wobei das viskoelastische Material der Unterlage (4) an dem Untergrund des wenigstens einen Betonstückes (1) entlang einer Vielzahl von getrennten Haftbereichen, insbesondere entlang zweier zu den beiden aufzunehmenden Schienensträngen (3) lotrechten Puffern (4a, 4b) anhaftet, und wobei ferner das viskoelastische Material eine Zersplitterungs- und Abriebfestigkeit aufweist, die gemäß einem Standard-Testverfahren des Typs Los Angeles als Gewichtsverlust von mit dem Material bedeckten Betonwürfeln ausgedrückt wird und weniger als 0,2 % nach 1500 Umdrehungen der Trommel der Testapparatur beträgt.
  4. Verfahren zur Herstellung eines Schienenträgers nach Anspruch 3, der zur Errichtung eines Eisenbahngleises nach einem der Ansprüche 1 und 2 vorgesehen ist, dadurch gekennzeichnet, daß ein synthetischer Elastomer, der zum Zeitpunkt des Auftragens auf den Träger hergestellt wird, gemäß wenigstens einem der folgenden Verfahren auf der Unterseite des wenigstens einen Betonstückes als Schicht auf diesen letzteren aufgebracht wird, nämlich durch Spritzen, Gießen, Auftragen mit einer Bürste oder Rolle.
EP91420222A 1990-07-06 1991-07-04 Gleis Expired - Lifetime EP0465390B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9009181 1990-07-06
FR9009181A FR2664307B1 (fr) 1990-07-06 1990-07-06 Support de rail, et voie ferree obtenue avec de tels supports.

Publications (2)

Publication Number Publication Date
EP0465390A1 EP0465390A1 (de) 1992-01-08
EP0465390B1 true EP0465390B1 (de) 1995-10-18

Family

ID=9398864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91420222A Expired - Lifetime EP0465390B1 (de) 1990-07-06 1991-07-04 Gleis

Country Status (8)

Country Link
EP (1) EP0465390B1 (de)
KR (1) KR0169128B1 (de)
AT (1) ATE129305T1 (de)
DE (1) DE69113884T2 (de)
DK (1) DK0465390T3 (de)
ES (1) ES2079612T3 (de)
FR (1) FR2664307B1 (de)
GR (1) GR3018673T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1186709A3 (de) * 2000-09-12 2002-07-03 Plasticos Mondragon, S.A. Betonschwellensohle für ein Hochgeschwindigkeitsgleis

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2732046B1 (fr) * 1995-03-20 1997-06-20 Vagneux Traverses Beton Procede de fabrication d'un support de rail de chemin de fer, et support susceptible d'etre obtenu par la mise en oeuvre de ce procede.
FR2753998B1 (fr) * 1996-09-30 1998-12-18 Etancheite Les Revetements Et Semelle sous traverse pour protection du ballast
DE29721118U1 (de) * 1997-11-28 1999-04-01 Heinrich Cronau GmbH Hoch- Tief- Gleis-Bau, 66538 Neunkirchen Querschwelle für Eisenbahngleise
FR2774708B1 (fr) * 1998-02-09 2003-01-31 Stradal Sa Traverse en beton arme pour voie ferree en zone urbaine
FR2935399B1 (fr) * 2008-09-02 2012-10-12 Sateba Systeme Vagneux Semelle viscoelastique, ensemble comportant un bloc et une semelle precitee, et procedes de fabrication correspondants.
KR102741972B1 (ko) * 2023-08-30 2024-12-16 충남대학교산학협력단 일탈방호용 트윈 블록형 침목 및 이를 포함하는 철도용 일탈방호구조

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0440597A1 (de) * 1990-01-30 1991-08-07 Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft Gleisober- und Gleisunterbau für schienengebundene Fahrzeuge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT340983B (de) * 1970-11-04 1978-01-10 Neumann & Co Gmbh Schwelle aus beton fur eisenbahnschienen
GB2030200B (en) * 1978-08-31 1982-12-15 Ohno I Railway bed or sleeper
GB2185987B (en) * 1986-01-31 1989-10-25 Japan National Railway Resilient coat for tie of direct-connection type track

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0440597A1 (de) * 1990-01-30 1991-08-07 Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft Gleisober- und Gleisunterbau für schienengebundene Fahrzeuge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JAPANESE PATENTS ABSTRACTS, A-M Chemical Vol.91 No.21, p.5, no Jp 1033495-B,28-06-91.Derwent Publications Ltd., Londres GB & JP-A-59-158235 (NISSHIN SPINNING), 07-09-1984 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1186709A3 (de) * 2000-09-12 2002-07-03 Plasticos Mondragon, S.A. Betonschwellensohle für ein Hochgeschwindigkeitsgleis

Also Published As

Publication number Publication date
ATE129305T1 (de) 1995-11-15
KR0169128B1 (ko) 1999-02-18
ES2079612T3 (es) 1996-01-16
FR2664307A1 (fr) 1992-01-10
GR3018673T3 (en) 1996-04-30
EP0465390A1 (de) 1992-01-08
DE69113884D1 (de) 1995-11-23
DE69113884T2 (de) 1996-03-21
FR2664307B1 (fr) 1995-03-31
DK0465390T3 (da) 1996-03-04
KR920002882A (ko) 1992-02-28

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