EP1416089A1 - Embedded rail system - Google Patents
Embedded rail system Download PDFInfo
- Publication number
- EP1416089A1 EP1416089A1 EP03077981A EP03077981A EP1416089A1 EP 1416089 A1 EP1416089 A1 EP 1416089A1 EP 03077981 A EP03077981 A EP 03077981A EP 03077981 A EP03077981 A EP 03077981A EP 1416089 A1 EP1416089 A1 EP 1416089A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- coating
- rail system
- fixed
- mortar
- 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
Links
- 239000011248 coating agent Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 25
- 239000004570 mortar (masonry) Substances 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000018672 Dilatation Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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 present invention relates to a rail wrapped in a coating for the installation of railways in a road.
- the invention aims to overcome the aforementioned drawbacks.
- she proposes a rail system for rails fixed at regular intervals on saddles and a coating sheath longitudinally coating the rail on both sides, wherein the coating rests on flexible profiles fixed to the rail shoe and extending between the saddles on which is fixed the rail.
- the establishment of a rail can be done in a very short time. And then, during the operation of the railway, when access to fixing devices, for example for the replacement of a section of rail, it suffices to drill into the mortar at the location of the rail fastening bolts to release the rail section, remove it with its encasing sheath and put in place and fix a new rail section in a very short time, without having to interrupt the traffic so important.
- a section of rail, the saddles on which the rail section is fixed and the coating sheath form an assembly housed in a box ready to be set up on a site.
- the implementation can then be done in a very short time short by simply pouring the coating mortar 21 and putting into circulation of the traffic on the rails can be started without waiting for hardening of the embedding mortar.
- Figures 1 to 3 show a rail system comprising a rail 11 fixed at intervals 12 stools in steel with interposition of a sole 13 of material elastic.
- the rail is fixed to the saddles by means of flanges 15 and bolts 17 with washers.
- Saddle 12 is provided on each side with a longitudinal groove 16 intended to receive an angle 18 during the installation of the rail, the two angles 18 forming the longitudinal walls of a channel 19 along the rail 11 on both sides.
- the upper end of the angles 18 is approximately 3 mm from the upper edge of the rail 11.
- Between the saddles 12 extend flexible profiles 14, polyethylene by example, which are fixed to the runner of the rail 11 and have a width equal to the spacing between the angles 18 (Fig. 4).
- a coating 21 is poured into the trough 19 which extends along both sides of the rail 11.
- the coating consists of a resilient fluid rubber mortar, free of shrinkage and having a stable compressibility.
- the mortar consists for example of a mixture of epoxy resin and polyurethane and a cycloaliphatic amine hardener insensitive to water.
- the specific weight is about 0.7 kg / dm 3 .
- the tensile strength is greater than about 1 N / mm 2 .
- the mortar put in place is packed to a level of -28 mm from the upper edge of the rail 11.
- the location of the fasteners is identified by means of a permanent mark left in the mortar.
- the upper surface of the mortar is finished with an elastic seal 23 made of the same compound as the mass of the mortar but having a density higher than this, for example a density of 0.9 kg / dm 3 .
- This seal is intended to prevent infiltration of rainwater in the gutter.
- the peel strength on concrete and steel is greater than about 2.5 N / mm 2 .
- a plastic separating plate Between the mass of the sheath and the seal is disposed a plastic separating plate. After aligning the rails 11 and casting the coating 21, the road 24 can be concreted in one or more phases. Angles 18 can then be removed (Fig. 5).
- each of the brackets 18 is mounted in the opposite direction, the wing 22 being oriented towards the outside of the channel 19 ( Figure 6). After completion of the coating sheath and concreting of the road, these angles 18 are maintained in place in order to reinforce the corners of the concrete slabs of the road 24 (Fig. 7).
- the surface of the angles to come into contact with the embedding mortar is preferably covered with a film intended to facilitate the removal of the mortar if necessary, for example when replacing the rail.
- the static bending of a rail system according to the invention is 1 mm approximately under an axle load of 11 tons.
- the first natural frequency of the wheel / rail system is approximately 40 Hz for a conventional support system and 30 Hz about for a powerful antivibration system.
- the setting of the natural frequency is made by an adequate choice of elastic soles placed under the rail. This result compares favorably with the natural frequency of the wheel / rail system of a track on ballast, which is about 60 Hz.
- the static and dynamic stiffness of anti-vibration mounts under the rail can advantageously be chosen so that the successive supports along the rails alternatively provide relatively rigid support and relatively flexible support.
- Figs. 8 and 9 represent, respectively in cross-section and in plan view, a box 20 in which are coated two sets 10 each comprising a section rail 11 fixed on the saddle 12 and embedded in its coating 21 as described above.
- a such box which for example has dimensions of 3 x 9 m, thus constitutes a module of prefabricated railroad which facilitates the installation of a railway on a site. Setting place can then be made in a very short time by simply aligning the sections of contiguous caisson rails and joining of these caissons to each other, and putting into circulation traffic on the rails can be done without having to wait for the concrete hardening of the road.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Linear Motors (AREA)
- Chain Conveyers (AREA)
Abstract
Description
La présente invention concerne un rail enveloppé dans un enrobage pour l'installation de voies ferrées dans une voirie.The present invention relates to a rail wrapped in a coating for the installation of railways in a road.
Dans l'installation de voies ferrées, le problème se situe principalement à trois niveaux :
Il est connu, dans certaines applications, d'installer dans la voirie des rails enrobés dans un matériau très compact dans le but de conférer au rail une meilleure résistance mécanique aux dilatations et aux efforts engendrés par la circulation des voitures sur les rails. Cette disposition a pour inconvénient principal que, une fois le rail installé, le remplacement d'un tronçon de rail nécessite de casser d'abord l'enrobage pour avoir accès aux dispositifs de fixation du tronçon de rail à remplacer et, après remplacement de celui-ci, de couler un nouvel enrobage. Tout ceci demande un temps d'exécution relativement long pendant lequel le trafic doit être interrompu. D'autre part, l'utilisation d'un matériau d'enrobage très compact ne présente pas les caractéristiques statiques et dynamiques requises pour assurer une isolation antivibratoire efficace.It is known, in certain applications, to install in the roadway rails embedded in a very compact material in order to give the rail a better resistance mechanics to the dilatations and the forces generated by the circulation of cars on the rails. This arrangement has the main disadvantage that, once the rail is installed, the replacing a rail section requires first breaking the coating to have access to the fastening devices of the rail section to be replaced and, after replacement of this one, to cast a new coating. All this requires a time of execution relatively long period during which traffic must be interrupted. On the other hand, the use a very compact coating material does not exhibit the static and dynamics required to provide effective vibration isolation.
L'invention a pour but de pallier les inconvénients susmentionnés. A cet effet, elle propose un système de rail pour voie ferrée fixé à intervalles réguliers sur des selles et une gaine d'enrobage enrobant longitudinalement le rail sur ses deux côtés, dans lequel l'enrobage repose sur des profilés souples fixés au patin du rail et s'étendant entre les selles sur lesquelles est fixé le rail.The invention aims to overcome the aforementioned drawbacks. For this purpose she proposes a rail system for rails fixed at regular intervals on saddles and a coating sheath longitudinally coating the rail on both sides, wherein the coating rests on flexible profiles fixed to the rail shoe and extending between the saddles on which is fixed the rail.
La mise en place d'un rail peut ainsi se faire en un temps très court. Et par la suite, au cours de l'exploitation de la voie ferrée, lorsque l'on doit avoir accès aux dispositifs de fixation, par exemple pour le remplacement d'un tronçon de rail, il suffit de forer dans le mortier à l'emplacement des boulons de fixation du rail pour libérer le tronçon de rail, le retirer avec sa gaine d'enrobage et mettre en place et fixer un nouveau tronçon de rail en un temps très court, sans devoir interrompre le trafic de manière importante.The establishment of a rail can be done in a very short time. And then, during the operation of the railway, when access to fixing devices, for example for the replacement of a section of rail, it suffices to drill into the mortar at the location of the rail fastening bolts to release the rail section, remove it with its encasing sheath and put in place and fix a new rail section in a very short time, without having to interrupt the traffic so important.
Dans un mode de réalisation avantageux, un tronçon de rail, les selles sur lesquelles le
tronçon de rail est fixé et la gaine d'enrobage forment un ensemble logé dans un caisson
prêt à être mis en place sur un site. La mise en place peut alors se faire en un temps très
court par simple coulage du mortier d'enrobage 21 et la mise en circulation du trafic sur les
rails peut être lancée sans attendre le durcissement du mortier d'enrobage.In an advantageous embodiment, a section of rail, the saddles on which the
rail section is fixed and the coating sheath form an assembly housed in a box
ready to be set up on a site. The implementation can then be done in a very short time
short by simply pouring the
De plus, l'utilisation d'un matériau d'enrobage de densité relativement réduite et le choix des raideurs des semelles sous le rail favorisent la réalisation d'un niveau d'amortissement optimal des vibrations et bruits en cours d'exploitation de la voie ferrée.In addition, the use of a relatively low density coating material and the choice of stiffness of the soles under the rail promote the achievement of a damping level optimal vibration and noise during operation of the railway.
L'invention est décrite plus en détails dans ce qui suit à l'aide des dessins dans lesquels :
Dans les dessins, une même référence désigne un élément identique ou un élément similaire ou équivalent. In the drawings, the same reference designates an identical element or an element similar or equivalent.
Les figures 1 à 3 montrent un système de rail comprenant un rail 11 fixé à intervalles
réguliers sur des selles 12 en acier avec interposition d'une semelle 13 en matière
élastique. Le rail est fixé sur les selles au moyen de brides 15 et de boulons 17
avec rondelles. La selle 12 est munie de chaque côté d'une rainure longitudinale 16
destinée à recevoir une cornière 18 lors de la mise en place du rail, les deux cornières 18
formant les parois longitudinales d'une gouttière 19 longeant le rail 11 sur ses deux côtés.
L'extrémité supérieure des cornières 18 vient se situer à environ 3 mm du bord supérieur
du rail 11. Entre les selles 12 s'étendent des profilés 14 souples, en polyéthylène par
exemple, qui sont fixés au patin du rail 11 et ont une largeur égale à l'écartement entre les
cornières 18 (Fig. 4).Figures 1 to 3 show a rail system comprising a
Un enrobage 21 est coulé dans la gouttière 19 qui s'étend le long des deux côtés du rail
11. L'enrobage est constitué d'un mortier de caoutchouc fluide élastique, exempt de
retrait et ayant une compressibilité stable. Le mortier est par exemple constitué d'un
mélange de résine époxy et de polyuréthane et un durcisseur d'amine cycloaliphatique
insensible à l'eau. Le poids spécifique est de 0,7 kg/dm3 environ. La résistance à la
traction est supérieure à environ 1 N/mm2. Le mortier mis en place est tassé jusqu'à un
niveau de -28 mm par rapport au bord supérieur du rail 11. La localisation des
dispositifs de fixation est repérée au moyen d'une marque permanente laissée dans le
mortier. La surface supérieure du mortier est terminée avec un joint élastique 23
constitué du même composé que la masse du mortier mais ayant une densité plus
élevée que celle-ci, par exemple une densité de 0,9 kg/dm3. Ce joint a pour but
d'éviter l'infiltration dès eaux de pluies dans la gouttière. La résistance à l'arrachement sur
béton et acier est supérieure à environ 2,5 N/mm2. Entre la masse de la gaine et le joint
est disposée une plaquette de séparation en matière plastique. Après alignement des
rails 11 et coulage de l'enrobage 21, la voirie 24 peut être bétonnée en une ou plusieurs
phases. Les cornières 18 peuvent alors être retirées (Fig. 5).A
Dans un autre mode de réalisation, chacune des cornières 18 est montée en sens inverse,
l'aile 22 étant orientée vers l'extérieur de la gouttière 19 (Fig. 6). Après réalisation de la
gaine d'enrobage et bétonnage de la voirie, ces cornières 18 sont maintenues en
place afin de renforcer les coins des dalles de béton de la voirie 24 (Fig. 7). In another embodiment, each of the
La surface des cornières devant venir en contact avec le mortier d'enrobage est de préférence recouverte d'un film destiné à faciliter l'enlèvement du mortier si nécessaire, par exemple lors du remplacement du rail.The surface of the angles to come into contact with the embedding mortar is preferably covered with a film intended to facilitate the removal of the mortar if necessary, for example when replacing the rail.
Lorsque l'on doit avoir accès au dispositif de fixation, par exemple pour le remplacement d'un tronçon de rail, il suffit de forer dans le mortier à l'emplacement des boulons de fixation du rail pour libérer le tronçon de rail, le retirer avec son enrobage et mettre en place et fixer un nouveau tronçon de rail en un temps très court, sans devoir interrompre le trafic de manière importante.When it is necessary to have access to the fixing device, for example for the replacement of a rail section, it is sufficient to drill in the mortar at the location of the bolts of fixing the rail to release the rail section, remove it with its coating and put in place and fix a new section of rail in a very short time, without having to interrupt the traffic significantly.
Des essais effectués sur un tronçon de rail de 6 m de long avec fixation tous les 0,9 m ont montré que la flexion statique d'un système de rail suivant l'invention est de 1 mm environ sous une charge à l'essieu de 11 tonnes. La première fréquence propre du système roue/rail est de 40 Hz environ pour un système de support classique et de 30 Hz environ pour un système antivibratoire performant. Le réglage de la fréquence propre se fait par un choix adéquat des semelles élastiques placées sous le rail. Ce résultat se compare avantageusement à la fréquence propre du système roue/rail d'une voie sur ballast, qui est d'environ 60 Hz.Tests carried out on a 6 m long section of rail with fixation every 0.9 m were shown that the static bending of a rail system according to the invention is 1 mm approximately under an axle load of 11 tons. The first natural frequency of the wheel / rail system is approximately 40 Hz for a conventional support system and 30 Hz about for a powerful antivibration system. The setting of the natural frequency is made by an adequate choice of elastic soles placed under the rail. This result compares favorably with the natural frequency of the wheel / rail system of a track on ballast, which is about 60 Hz.
Les raideurs statiques et dynamiques des semelles antivibratoires sous le rail peuvent avantageusement être choisies de manière que les appuis successifs le long des rails constituent alternativement un appui relativement rigide et un appui relativement souple.The static and dynamic stiffness of anti-vibration mounts under the rail can advantageously be chosen so that the successive supports along the rails alternatively provide relatively rigid support and relatively flexible support.
Dans un mode de réalisation avantageux, l'ensemble d'un tronçon de rail 11 et des selles
12 qui le supportent est lui-même enrobé dans un caisson 20 en béton coulé en_usine.
Les Fig. 8 et 9 représentent, respectivement en coupe transversale et vu en plan, un
caisson 20 dans lequel sont enrobés deux ensembles 10 comprenant chacun un tronçon
de rail 11 fixé sur selles 12 et enrobé dans son enrobage 21 comme décrit plus haut. Un
tel caisson, qui a par exemple des dimensions de 3 x 9 m, constitue ainsi un module de
voie ferrée préfabriqué qui facilite l'installation d'une voie ferrée sur un site. La mise en
place peut alors être faite en un temps très court par simple alignement des tronçons de
rails de caissons contigus et jointure de ces caissons entre eux, et la mise en circulation
du trafic sur les rails peut se faire sans avoir à attendre le durcissement du béton de voirie. In an advantageous embodiment, the assembly of a
Il est bien entendu que les formes d'exécution illustrées sur les dessins et décrites dans ce qui précèdent sont donnés à titre d'exemples d'exécution du système de rail suivant l'invention et que l'invention n'est nullement limitée à ces exemples d'exécution.It is understood that the embodiments illustrated in the drawings and described in this above are given as examples of the execution of the following rail system the invention and that the invention is in no way limited to these exemplary embodiments.
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2002/0621A BE1015162A5 (en) | 2002-10-31 | 2002-10-31 | Rail system coated. |
BE200200621 | 2002-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1416089A1 true EP1416089A1 (en) | 2004-05-06 |
EP1416089B1 EP1416089B1 (en) | 2006-05-24 |
Family
ID=32075047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03077981A Expired - Lifetime EP1416089B1 (en) | 2002-10-31 | 2003-09-22 | Embedded rail system |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1416089B1 (en) |
AT (1) | ATE327381T1 (en) |
BE (1) | BE1015162A5 (en) |
DE (1) | DE60305412T2 (en) |
ES (1) | ES2263910T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018121333A1 (en) * | 2018-08-31 | 2020-03-05 | Joachim Süss | Track construction and running rail |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1809955B1 (en) * | 1968-11-20 | 1970-03-19 | Stelcon Ag | METHOD OF FASTENING RAILS IN THE RAIL CHANNELS OF TRACK PLATES |
DE9309446U1 (en) * | 1992-07-17 | 1993-09-02 | Ortwein Hermann | Rail for rail vehicles |
DE19627468A1 (en) * | 1995-07-06 | 1997-01-16 | Polyplan Gmbh Polyurethan Masc | Grooved rail for tram track embedded in street - is enclosed by polyurethane reaction mixture introduced into formwork |
DE19801583A1 (en) * | 1998-01-19 | 1999-07-29 | Schreck Mieves Gmbh | Composite rail for railway track |
FR2791369A1 (en) * | 1999-03-27 | 2000-09-29 | Regie Autonome Transports | FILLING PROFILES FOR FLOOR RAIL TRACK |
US6471138B1 (en) * | 1998-10-16 | 2002-10-29 | Phoenix Aktiengesellschaft | Electrically insulating rail system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB943623A (en) * | 1960-05-12 | 1963-12-04 | Shell Res Ltd | Improvements in or relating to polyurethanes |
DE3626490A1 (en) * | 1986-08-11 | 1988-04-07 | Lothar Eisner | Device for the casting-in of rails |
DE29802914U1 (en) * | 1998-02-19 | 1999-06-17 | Deutsche Verpackungsmittel | Chamber filler stone for rails, especially tram rails |
DE19816468A1 (en) * | 1998-04-14 | 1999-10-21 | Polyplan Gmbh Polyurethan Masc | Formwork system |
-
2002
- 2002-10-31 BE BE2002/0621A patent/BE1015162A5/en not_active IP Right Cessation
-
2003
- 2003-09-22 ES ES03077981T patent/ES2263910T3/en not_active Expired - Lifetime
- 2003-09-22 DE DE60305412T patent/DE60305412T2/en not_active Expired - Lifetime
- 2003-09-22 AT AT03077981T patent/ATE327381T1/en active
- 2003-09-22 EP EP03077981A patent/EP1416089B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1809955B1 (en) * | 1968-11-20 | 1970-03-19 | Stelcon Ag | METHOD OF FASTENING RAILS IN THE RAIL CHANNELS OF TRACK PLATES |
DE9309446U1 (en) * | 1992-07-17 | 1993-09-02 | Ortwein Hermann | Rail for rail vehicles |
DE19627468A1 (en) * | 1995-07-06 | 1997-01-16 | Polyplan Gmbh Polyurethan Masc | Grooved rail for tram track embedded in street - is enclosed by polyurethane reaction mixture introduced into formwork |
DE19801583A1 (en) * | 1998-01-19 | 1999-07-29 | Schreck Mieves Gmbh | Composite rail for railway track |
US6471138B1 (en) * | 1998-10-16 | 2002-10-29 | Phoenix Aktiengesellschaft | Electrically insulating rail system |
FR2791369A1 (en) * | 1999-03-27 | 2000-09-29 | Regie Autonome Transports | FILLING PROFILES FOR FLOOR RAIL TRACK |
Also Published As
Publication number | Publication date |
---|---|
ATE327381T1 (en) | 2006-06-15 |
ES2263910T3 (en) | 2006-12-16 |
BE1015162A5 (en) | 2004-10-05 |
DE60305412D1 (en) | 2006-06-29 |
EP1416089B1 (en) | 2006-05-24 |
DE60305412T2 (en) | 2007-05-03 |
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