WO2008087027A1 - Rail enrobé - Google Patents

Rail enrobé Download PDF

Info

Publication number
WO2008087027A1
WO2008087027A1 PCT/EP2008/000335 EP2008000335W WO2008087027A1 WO 2008087027 A1 WO2008087027 A1 WO 2008087027A1 EP 2008000335 W EP2008000335 W EP 2008000335W WO 2008087027 A1 WO2008087027 A1 WO 2008087027A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
track
sheathed
box section
sections
Prior art date
Application number
PCT/EP2008/000335
Other languages
German (de)
English (en)
Inventor
Jean-Pierre Frottier
Horst Eilmes
Hubertus C. Schwind
Original Assignee
Edilon Sedra Gmbh
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
Application filed by Edilon Sedra Gmbh filed Critical Edilon Sedra Gmbh
Publication of WO2008087027A1 publication Critical patent/WO2008087027A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/003—Means for reducing the development or propagation of noise
    • 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 invention relates to a sheathed railway track, in particular tram track, for installation in a track, on a sheath for enclosing rail chamber packings and for building railway tracks in track construction, further to a method for sheathing of railway tracks and a method for installing such sheathed Rail tracks in a track body, without the need for clamps and bolts must be applied.
  • the paving material consists of a mixture of polyurethane-based plastic and a mineral aggregate, namely expanded clay grains. About the mechanical load capacity and electrical insulation of the moldings nothing is known.
  • Tram rails (DE 40 04 208 Al) are board-like and rod-like molded parts made of polyurethane-bonded Rubber tire parts used to cover the tram track.
  • the board-like moldings have a trough shape for receiving and pouring the rail foot and the rod-like moldings have a shape adapted to the rail chambers.
  • the moldings are prefabricated and glued to the site. The jacketed
  • Tram track is provided by means of tape tabs for attachment to a concrete substrate on which the usual road surface is applied.
  • the moldings of polyurethane-bonded scrap tire parts contain soot and have pores between the rubber parts that can fill with salt water, with the result that the specific electrical conductivity of the casing has a value that causes stray currents into the ground, which are to be avoided in certain applications.
  • the filler bodies are provided with an electrical insulation, which in one embodiment respectively along the outer sides of the
  • Fullkorper are provided with a protective layer that is resistant to abrasion and resistant to ozone, UV rays, oil, gasoline and chemicals.
  • a rubber mixture based on ethylene-propylene-diene copolymer (EPDM) is called, wherein the Fullkorper can have a rubber Regeneratanteil of 40 to 80 wt.%.
  • EPDM ethylene-propylene-diene copolymer
  • Such Fullkorper are vulcanized and non-porous, that is, the electrical resistance of Fullkorper can not be reduced by penetrating salt water.
  • EPDM existing Fullkorper are expensive compared Fullkorpern of polyurethane-bound waste rubber, especially if such waste rubber is not pressed almost free of pores.
  • Polymer is coated, which forms a coat. This jacket is thus not formed from separately produced box section sections.
  • the rail In a rail insulation for cross-over (DE 201 10 665 Ul) are used for Korallschalldampfung, electrical insulation and vibration isolation, the rail encompassing elastic body, preferably made of polyurethane-bonded rubber parts. Box section sections for wrapping rail chamber Fullkorpern are not provided.
  • an elastic mounting of grooved rails comprising a multi-part profile body for receiving the rail with prefabricated filling stones provides.
  • the profile body is constructed of an outer shell with rigid polyurethane elastomer and an inner shell with volume-compressible, cellular material, the shells are composed of individual plates, which are only partially firmly connected to each other, at least not as integrally formed single-piece box section sections.
  • a sound-damping rail is known from AT 399 522 B, the rail chamber filling body made of sound-absorbing, foamable polyurethane and above a sound-absorbing sheath of tough-elastic polyurethane has set. Both layers are applied by casting around the rail.
  • the invention has for its object to provide a suitable for installation in a track body sheathed track rail can be used in the rail chamber filling body and porous material without burdening the underground by electrical stray currents during operation of the rail.
  • Another object is to provide a sheathed railway track, which can be installed and operated as such, without additional rail fastening means of clamps and bolts in a concrete track body.
  • a sheathed track rail is provided in which an outer sheath of electrically insulating material both the rail of the track rail and the rail chamber filling body engages and waterproof seals in the space enclosed by gluing the jacket to the rail head.
  • the material of the electrically insulating outer jacket is partially flexible in order to bring the rail chamber fillers in the rail chambers can, on the other hand, the material in certain areas pressure resistant and of sufficient strength to absorb loads occurring, for example, as a result of car traffic, and forward without breaking splices. Due to this construction, it is possible to include the sheathed track rail as such without further fastening means in a roadway layer of concrete.
  • the outer shell of the sheathed track rail is preferably made of individual box sections, which are lined up along the track rail and sealingly connected to each other at their abutting surfaces.
  • the bottom of the box section is as magnifbettabten, the sides are as leg sections and the tops are as
  • the box profile has a sort of slot, which is filled by the rail head. At the points of contact of the cover sections with the rail head, the slot sides of the cover sections are in line with the outline shape of the cover section
  • Rail head adapted.
  • the rail head itself is sandblasted in preparation for the gluing with the cover sections to eliminate any adhering scale and to roughen the surface of the rail head for a strong bond.
  • tie rods are used, which are attached to the rail webs of the parallel rails and thus guarantee their exact distance from each other.
  • the attachment of such tie rods may be considered necessary for track curves.
  • the rail chamber filling body and the outer jacket of the casing according to the invention have recesses for the passage of the tie rods between the parallel rail tracks of the track. It is understood that the recesses in the outer shell can be suitably sealed so as not to allow water to penetrate into the interior of the shell.
  • the rail with the casing according to the invention is suitable for direct installation in a roadway layer of concrete, that is to say that it does not require any customary rail fastening consisting of tension clamps and screw bolts or dowels.
  • sheathed rail also a rail mounting with the usual clamps and
  • clamps on which are surrounded by insulating material.
  • the gaps between clamps and recess walls are sealed watertight with electrically insulating material.
  • Fig. 1 is a railway track in front of their sheathing in
  • Fig. 5 shows the clamp mounting the sheathed
  • Fig. 6 is a sealed jacket joint.
  • Fig. 1 to 3 shows the sheathing process of the track rail 1.
  • the rail 1 has a rail head 10, a rail web 11 and a rail 12 on.
  • the illustrated tram track also has a groove 13 into which the rim of a tram is immersed and guided.
  • the rail head 10 has side surfaces 16 and 17 which are sandblasted to provide good adhesion surfaces for bonding to be described.
  • the rail chamber filling bodies have respective ribs 21 and 22 or 31 and 32, which are adapted to the contour of the rail chambers 14 and 15 and are separated from one another by respective longitudinal grooves 20 and 30, respectively.
  • the rail chamber filling bodies 2, 3 also have straight upper sides 23 or 33, straight side surfaces 24 and 34 and substantially sloping undersides 25 and 35, respectively.
  • the rail chamber filling bodies 2, 3 stand from their respective rail chamber 14 and 15, respectively, and are spatially arranged so that they almost complement each other in cross section to a rectangle when they are inserted into their rail chambers 14, 15.
  • the third component of the sheathed track rail is formed by an outer sheath 4, which is constructed along the rail 1 of individual box section sections 40.
  • the box section sections 40 have a suitbettabêt 41, two leg sections 42, 43 and two cover sections 44 and 45, which surround a total of an interior space for receiving the rail foot 12, the web 11 and the filler body 2, 3.
  • the packing 2, 3 protrude from their chambers 14, 15, they are supported on their underside 25, 35 of the solvedbettabêt 41.
  • the cover sections 44, 45 each have fitting surfaces 46 and 47, which are adapted to the outline shape of the roughened surfaces 16 and 17 of the rail head 10.
  • the outsides of the leg portions 42, 43 carry ripples or corrugations 48 for better anchoring in concrete.
  • the fillers 2, 3 are used for sound insulation of the rails and therefore consist of a suitable sound-insulating material.
  • elastomeric materials may be considered, especially polyurethane and rubber.
  • these materials are virgin materials expensive, which is why Regenerate from these materials, in particular dismembered waste rubber (Altgummigranulat) for the production of the packing 2, 3 are used in polyurethane bond.
  • the Altgummigranulat is pressed into molds with the addition of 7 to 15 wt.% Polyurethane, leaving pores between the rubber granulate.
  • High specific gravity fillers are expensive over those of porous and therefore lower specific gravity, therefore, in the present application, rail fillers 2, 3 are used in a density range of 400 to 700 kg / m 3 and preferably between 500 and 600 kg / m 3 become.
  • Such fillers have a good surface compliance for adaptation to the contour of the rail chambers 14, 15 and for clamping in the rail chamber and are still sufficiently stable and pressure resistant to traffic loads occurring after installation.
  • the jacket 4 is made of electrically insulating material which must be sufficiently pressure-resistant in the footbed portion 41 and in the cover portions 44, 45, while the material in the leg portions 42, 43 must have a certain flexibility. Many elastomers have these properties of both compressive strength and flexibility. Particularly suitable is polyurethane and rubber (rubber). While it is possible to use these materials in combination on the shell 4, it is preferred to make the shell 4 of uniform material.
  • Figs. 1 to 3 show the manufacture of the covered track rail in the factory.
  • a series of box section sections 40 are joined together with their end faces 49 ( Figure 6) and sealed together.
  • the end surfaces 49 have overlapping folds and are glued together.
  • a rail 1 is inserted with her foot 12 in the solvedbettabêt 41 of the shell 4.
  • the rail chambers 14, 15 are for the Insertion of the packing 2, 3 opened by the leg portions 42, 43 are bent to the side.
  • the packing 2, 3 are clamped in their associated rail chambers 14, 15, wherein the flexibility of the packing between the ribs 21, 22 and 31, 32 is utilized.
  • this is done by appropriately aligning the sheathed rail over a substructure and casting the footbed section 41, for example with a hardening polyurethane mass.
  • the sheathed rails thus fixed are then encased with concrete to a designated level to secure the sheathed rail in the track body and to form a pavement layer.
  • no rail fastening usual type with clamps and screw plugs is needed.
  • the rail 1 can also be sheathed at the construction site. In any case, this comes into consideration if you want to apply in track curves tie rods 5 between the parallel railroad tracks.
  • 4 shows the procedure in such an application. Rail foot 12 andcomparativelybettabêt 41 are coupled together and the rail 1 is aligned in the correct position above the substructure.
  • the two parallel rails of the curve arc are connected to each other with tie rods 5, wherein the connection is made either by butt welding or by screwing to the rail web 11.
  • the tie rods 5 are with coated electrically insulating material, which is not shown here.
  • In order to mount the tie rods 5, have the leg portions 43 of the box section sections 40 recesses 50 through which the ends 51 of the tie rods are threaded therethrough. After the ends 51 have been fastened to the rail web 11, the fillers 2 and 3 are pressed into the rail chambers.
  • the filler 3 has on its underside a recess 36 which around the
  • Tie rod 5 engages around.
  • the mating surfaces 46 and 47 of the shell 4 are then glued to the rail head 10 as described.
  • the recesses 50, 36 are sealed with electrically insulating material.
  • the sheathed railway track is then surrounded with concrete to a certain height, for example, to produce or prepare a road for frosted vehicles.
  • the railway track sheathed according to the invention can also be installed in a track body in the usual way using the rail fastening by means of tensioning clamps and screw dowels, as shown in FIG.
  • the outer jacket 4 has for this purpose lateral openings 60 for the passage of tensioning clamps 6, by means of
  • Bolt or dowels 7 are anchored in the substructure.
  • This substructure can be formed by railway sleepers or by a concrete slab.
  • the clamps 6 are electrically isolated so that no conductive bridge between rail 1 and substrate is formed.
  • the openings 60 which also extend into the respective packing 2, 3, are sealed watertight with electrically insulating compound. If there is no anchoring of the sheathed rail in concrete, it is preferred to leave the outsides of the leg sections 42, 43 stepless and smooth as shown in FIG. This leads to a certain decoupling between the sheathed rail and the laterally adjoining sheet body, which may be, for example, a pavement, but also a lawn. In all these cases, the outer jacket 4 prevents the ingress of water into the packing 2, 3 with simultaneous good electrical insulation of the rail 1 from the environment.
  • the cover portions 44 and 45 can be formed by a grout known type, which connects the upper ends of the leg portions 42, 43 with the rail head 10 watertight. Instead of gluing the ends 49 of the box section sections 40 together, welding is also possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)

Abstract

L'invention concerne un rail enrobé muni d'un enrobage extérieur (4). Des sections (40) de profilé de caisson électriquement isolantes sont montées autour des rails (1) de manière étanche avec des corps de remplissage (2, 3). Le rail enrobé (1) peut être fixé au corps de voie uniquement par scellement dans le béton, sans pinces de serrage ni boulons.
PCT/EP2008/000335 2007-01-17 2008-01-17 Rail enrobé WO2008087027A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007003348A DE102007003348A1 (de) 2007-01-17 2007-01-17 Ummantelte Bahnschiene
DE102007003348.8 2007-01-17

Publications (1)

Publication Number Publication Date
WO2008087027A1 true WO2008087027A1 (fr) 2008-07-24

Family

ID=39205212

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/000335 WO2008087027A1 (fr) 2007-01-17 2008-01-17 Rail enrobé

Country Status (2)

Country Link
DE (1) DE102007003348A1 (fr)
WO (1) WO2008087027A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2349974A1 (es) * 2009-03-02 2011-01-13 Juan Antonio Rovira Soler 45% Una sujecion elastica de rail embebido en una canaleta, normalmente formada en una losa de hormigon, y procedimiento para instalar dicha sujecion.
EP2420620A1 (fr) * 2010-08-16 2012-02-22 Acciona Infraestructuras, S.A. Matériau isolant pour rails de chemin de fer
EP2845951A1 (fr) * 2013-09-04 2015-03-11 Prefarails Holding Jaquette pour rail destiné aux véhicules ferroviaires

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012022847A1 (de) * 2012-11-23 2014-05-28 Wirthwein Ag Dämpfungsmodul zur Reduzierung von Schwingungen bzw. Lärmentwicklung an Schienen
DE202017104882U1 (de) 2017-08-14 2018-11-16 Het Elastomertechnik Gmbh Kammerfüllelement-Einbauwerkzeug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308876A1 (fr) * 1987-09-25 1989-03-29 Getzner-Chemie Gesellschaft m.b.H. Dispositif de support élastique pour rails à gorge
AT399522B (de) * 1990-03-20 1995-05-26 Gerald Clemens Messner Bautens Schallgedämpfte schiene
ES2072205A2 (es) * 1993-07-19 1995-07-01 Comsa S A Via tranviaria o ferroviaria de apoyo continuo sobre elastomero y plataforma de hormigon armado.
EP0863256A2 (fr) * 1997-03-06 1998-09-09 sedra Asphalt-Technik Biebrich GmbH Elément pour remplir l'évidement à cÔté de l'âme d'un rail d'être installé mécaniquement au rail ainsi que méthode et appareil pour le montage
DE19947931A1 (de) * 1998-10-16 2000-04-20 Phoenix Ag Schienenanordnung
DE19940483A1 (de) * 1999-08-26 2001-03-01 Berleburger Schaumstoffwerk Kammerfüllprofil für Gleise

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3711190C2 (de) 1987-04-02 1994-12-08 Lothar Eisner Verfahren zum Befestigen einer Körperschalldämmung und eine Körperschalldämmung an Schienen für schienengebundene Fahrzeuge
DE4004208C2 (de) 1990-02-12 1994-02-17 Sedra Asphalt Technik Biebrich Schalldämmvorrichtung an Straßenbahnschienen
GB9622924D0 (en) * 1996-11-04 1997-01-08 Alh Syst Ltd Polymer embedment of rails
DE20110665U1 (de) * 2001-06-22 2001-08-30 Sedra Asphalt Technik Biebrich Schienenisolierung für Überwege

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308876A1 (fr) * 1987-09-25 1989-03-29 Getzner-Chemie Gesellschaft m.b.H. Dispositif de support élastique pour rails à gorge
AT399522B (de) * 1990-03-20 1995-05-26 Gerald Clemens Messner Bautens Schallgedämpfte schiene
ES2072205A2 (es) * 1993-07-19 1995-07-01 Comsa S A Via tranviaria o ferroviaria de apoyo continuo sobre elastomero y plataforma de hormigon armado.
EP0863256A2 (fr) * 1997-03-06 1998-09-09 sedra Asphalt-Technik Biebrich GmbH Elément pour remplir l'évidement à cÔté de l'âme d'un rail d'être installé mécaniquement au rail ainsi que méthode et appareil pour le montage
DE19947931A1 (de) * 1998-10-16 2000-04-20 Phoenix Ag Schienenanordnung
DE19940483A1 (de) * 1999-08-26 2001-03-01 Berleburger Schaumstoffwerk Kammerfüllprofil für Gleise

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2349974A1 (es) * 2009-03-02 2011-01-13 Juan Antonio Rovira Soler 45% Una sujecion elastica de rail embebido en una canaleta, normalmente formada en una losa de hormigon, y procedimiento para instalar dicha sujecion.
EP2420620A1 (fr) * 2010-08-16 2012-02-22 Acciona Infraestructuras, S.A. Matériau isolant pour rails de chemin de fer
EP2845951A1 (fr) * 2013-09-04 2015-03-11 Prefarails Holding Jaquette pour rail destiné aux véhicules ferroviaires
WO2015032879A1 (fr) 2013-09-04 2015-03-12 Prefarails Holding Jaquette pour rail destine aux vehicules ferroviaires

Also Published As

Publication number Publication date
DE102007003348A1 (de) 2008-07-31

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