EP0854234B1 - Sound insulating device - Google Patents

Sound insulating device Download PDF

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Publication number
EP0854234B1
EP0854234B1 EP98870009A EP98870009A EP0854234B1 EP 0854234 B1 EP0854234 B1 EP 0854234B1 EP 98870009 A EP98870009 A EP 98870009A EP 98870009 A EP98870009 A EP 98870009A EP 0854234 B1 EP0854234 B1 EP 0854234B1
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EP
European Patent Office
Prior art keywords
jacket
rail
noise device
parts
rubber
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Expired - Lifetime
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EP98870009A
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German (de)
French (fr)
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EP0854234A1 (en
Inventor
Stephane Dirven
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Casqc Prefarails Cdm Industries Sa
Prefarails Nv
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Individual
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Priority claimed from BE9700045A external-priority patent/BE1010354A6/en
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    • 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
    • E01B21/02—Special supporting means; Draining of rails

Definitions

  • the present invention relates to an anti-noise device comprising a jacket of elastic and resistant material, said dust jacket having a first respectively second arranged part to wrap a first respectively a second lateral flank a rail, in particular a rail for trams.
  • Such an anti-noise device is known from DE-A-40 04 208.
  • the tram In cities the tram is more and more established as the means of displacement to partially resolve the congestion caused by vehicle traffic, especially automobiles.
  • the network urban trams are therefore constantly growing.
  • the problem that poses the use of trams or other rail vehicles is that the rotation of the steel wheels on the rails leads to the induction of huge vibrations in the ground.
  • vibrations As the tram runs in an urban environment, vibrations are transposed by the ground towards the buildings. The more there will be of trams circulating, the more there will be induced vibrations and the more the risk of damage to buildings along the streets through which the tram will be high.
  • Apart from the risk of damage to buildings there is also the nuisance caused by these vibrations to residents. Indeed the nuisance caused by the vibrations induced by the passage of the tram can go until disturbing the sleep of the resident.
  • the object of the invention is to produce an anti-noise device which can be easily applied against the rail.
  • an anti-noise device is characterized in that the jacket is provided with fixing means arranged to fix the parts together, said fixing means having a notch in the first and second part and an iron concrete arranged to be fixed in the notches.
  • a first preferred embodiment of a device according to the invention is characterized in that the jacket has a third part arranged to be placed under the side lower of said rail.
  • a second preferred embodiment of a device according to the invention is characterized in that the jacket has an upper edge arranged to be juxtaposed to the upper face of said rail, said upper edge having a width substantially equal to 42 mm. This dimension of the upper edge of the jacket allows to have between two rails provided with their jacket, a gap corresponding to five klinkers and a half, thus facilitating the filling of the center of the track.
  • a third preferred embodiment of a device according to the invention is characterized in that the jacket has in its first and second part at least one perforation intended for the passage of rail spacers. So the jacket doesn't does not interfere with the passage of spacers.
  • the jacket is made of a material having an elasticity factor between 5 NM and 20 NM measured according to DIN 53515. This allows the jacket to resist well to the forces imposed on it by the tram rolling on the rail.
  • the jacket is made of a material having a pressure resistance of at least 40 kg / cm 2 .
  • the jacket thus also resists road traffic passing on the road in which the rail is located.
  • the jacket is made of rubber, especially recycled rubber. This material has the advantage of being little expensive while having the required elasticity and resistance.
  • anti-noise device for tram rails.
  • this device is not limited to tram rails but can be used for any rail, whether it is a rail for tram, for train or other rail vehicle.
  • the device mainly finds its application on site urban where the rail is buried in the ground. However it could also be used for rails that are not buried.
  • the anti-noise device according to the invention is also not limited to the embodiments included in the drawings and other geometries, insofar as they fit the rail profile, are possible.
  • Figure 1 illustrates an example of an anti-noise device 1 according to the invention and mounted around a rail end 5.
  • the device has three parts 2, 3 and 4.
  • the first 2 and the second 3 part respectively envelop a first and a second lateral flank of the rail 5.
  • a third 4 part is arranged under the sole of the rail 5.
  • the anti-noise device according to the invention therefore comprises a jacket which at least partially encloses a rail.
  • the jacket has all three parties but only one party could, if applicable, according to variants not covered by the claims, suffice as illustrated in figure 5.
  • the lateral flank of the rail being from the outer side of the rail, i.e. the side opposite to that of the inter-rail, could be fitted with the dust jacket.
  • the third part might be enough.
  • the jacket is made of an elastic and resistant material such as vulcanized rubber.
  • the material must be elastic because it must be able to absorb the forces induced by the vehicle traveling on the rail, as well as those induced by the traffic traveling on the roadway where the rails are buried.
  • the material must be resistant because it must be able to withstand temperatures ranging from - 30 ° to + 40 ° C and keep substantially the same properties in this temperature range.
  • the material must have an elasticity factor between 5NM and 20 NM, in particular between 6.6 NM and 17.6 NM measured according to DIN 53515.
  • the tensile strength of the material is preferably between 0 , 79 MPA and 1.2 MPA measured according to standard DIN 53455.
  • the resistance to pressure is at least 40 kg / cm 2 and preferably 45 kg / cm 2 measured according to standard DIN 53454.
  • the deformation at pressure measured according to DIN 53572 is preferably from 12% to 15.9% at 70 ° C for 24 hours and from 6.3% to 6.6% at 23 ° C for 72 hours.
  • the material used is recycled rubber obtained from used tires. These used tires are shredded in powder and the ground rubber is then amalgamated with polyurethane to form by different pressure molding parts of the dust jacket.
  • recycled rubber is that this material allows the manufacture of inexpensive jackets and offers a solution for recycling used tires.
  • Another benefit of using rubber is that when the dust jacket and the rail are put in the ground, the rubber of the dust jacket gives better grip to the tires vehicles and thus limits the effects of the lack of grip that cause the steel rails.
  • the jacket preferably has a length of 1.20 m corresponding to a modulation which adjusts to the conventional length tram rails.
  • the jacket is provided with fixing means (6, 7 and 8) arranged to fix the different parts together. These means of attachment have a protrusion 6 applied to the outer face first and second parts of the dust jacket. In this protuberance is provided with a notch 7 in which is housed a concrete iron 8. The concrete iron wraps the jacket and thus connects the three parts between them.
  • the advantage of using fastening means is that the mounting jackets can be done before placing the rail in the ground.
  • the rail provided with its jacket can be placed as a whole.
  • the rail with its cover can thus be transported and delivered as a assembly and assembly of the jacket must not be done on the site where the rail is installed.
  • the jacket has a profile 10, 11 and 12 which matches the geometry 13, 14 and 15 of the rail. This is important because the jacket must be in direct contact with the rail.
  • the purpose of the jacket is to absorb the vibrations produced by the tram or other vehicle which runs on the rail. The rotation of the steel wheels of the tram on the steel of the rail causes induction of vibrations in the rail. Without the presence of jackets these vibrations are transmitted from the ground to buildings which run alongside the tram tracks, causing not only damage to buildings but also nuisance to residents who are sometimes disturbed in their sleep due to these vibrations.
  • the first 2 and second 3 part of the jacket have each an angle geometry at their lower part 20, 21 which comes take the corner section 22, 23 of the third part of the jacket. So the different parts of the dust jacket are complementary to such so as to substantially envelop the lateral and lower sides of the rail.
  • the jacket is also provided with a perforation 24, 25 in its first 2 and second part 3 intended for the passage of a rail spacer 16 as illustrated in Figure 3.
  • the spacer can also be used as a means of fixing the jacket to the rail, for example example using bolts 17.
  • the external geometry of the first and second part of the jacket has a hollow in order to strengthen on the one hand the structure of the dust jacket and secondly allow to form a concrete formwork which is poured along the rail when the latter is placed in the ground. Concrete comes thus be housed in this hollow and allows to maintain the rail with its jacket in place.
  • the distance d (figures 2 and 4) from the upper edge of the first 2 and second 3 part of the jacket, arranged to be juxtaposed on the face upper of the rail, has a width substantially equal to 42 mm. This allows to arrange between two rails a distance corresponding to five klinker 18 and a half and thus facilitates the filling of the center of the track.
  • the lower shape of the dust jacket is provided in the form of a pin, so as to grip the third part 4 during the prepose.
  • FIG. 5 illustrates another embodiment of a anti-noise device according to the invention.
  • the dust jacket has only one part 30 placed against the first flank, that is to say the outer side of the rail 5.
  • the jacket is used here not only anti-noise device, but also single shoulder profile.
  • the jacket materializes the filling of the rails outside of the track and separates the rail from the concrete filling of the roadway. Concrete does will therefore be more in direct contact with the rail, which has the consequence that the vibrations induced by the tram in the rails will, at least in much, absorbed by device 30 and will no longer be directly induced in concrete. Concrete will therefore be less likely to crack and break due to vibrations. Since the jacket is installed directly against the rail, it also serves as a seal for area.
  • the jacket 30 has a flat profile 31 on its side outside and has a recess 32 at its lower part. This allows overlap the rail fasteners, applied either on wooden sleepers, either on precast or poured concrete sleepers.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Surgical Instruments (AREA)
  • Transplanting Machines (AREA)
  • Road Paving Structures (AREA)
  • Building Environments (AREA)

Abstract

A noise damper for tramline rails consists of a jacket of a strong, elastic material which covers at least one side of a rail (5). The jacket is made, for example, in three sections (2, 3, 4) which are shaped to fit against both sides and base of the rail. The upper edges of the side sections lie adjacent to the surface of the rail and are some 42 mm wide, and the side sections also have holes through them to take the rail spacer rods, to which the jacket is fixed by nuts. The rail jacket is made from a material which has an elasticity factor of 5 Nm to 20 Nm, measured according to DIN 53515, and a resistance to pressure of at least 40 kg/sq cm. The material is rubber, and especially recycled rubber from used tyres, mixed with a polyurethane binding agent.

Description

La présente invention concerne un dispositif anti-bruit comportant une jaquette en matière élastique et résistante, ladite jaquette ayant une première respectivement deuxième partie agencée pour envelopper un premier respectivement un deuxième flanc latéral d'un rail, en particulier un rail pour tramways.The present invention relates to an anti-noise device comprising a jacket of elastic and resistant material, said dust jacket having a first respectively second arranged part to wrap a first respectively a second lateral flank a rail, in particular a rail for trams.

Un tel dispositif anti-bruit est connu de DE-A- 40 04 208. Dans les villes le tramway de plus en plus s'impose comme le moyen de déplacement permettant de résoudre en partie la congestion causée par la circulation des véhicules en particulier les automobiles. Le réseau urbain de tramways est donc en croissance constante. Le problème que pose l'utilisation des tramways ou des autres véhicules sur rails est que la rotation des roues en acier sur les rails entraíne l'induction d'énormes vibrations dans le sol. Comme le tram circule en milieu urbain les vibrations sont transposées par le sol vers les immeubles. Plus il y aura de trams qui circulent, plus il y aura des vibrations induites et plus le risque de dégâts causés aux immeubles le long des rues où passe le tram sera élevé. Mis à part le risque de dégâts aux immeubles il y a aussi la nuisance causée par ces vibrations au riverain. En effet la nuisance causée par les vibrations induites par le passage du tram peut aller jusqu'à perturber le sommeil du riverain. Pour résoudre ce problème l'art antérieur propose de placer autour du rail une jaquette en caoutchouc qui absorbe une grand partie de ces vibrations.Such an anti-noise device is known from DE-A-40 04 208. In cities the tram is more and more established as the means of displacement to partially resolve the congestion caused by vehicle traffic, especially automobiles. The network urban trams are therefore constantly growing. The problem that poses the use of trams or other rail vehicles is that the rotation of the steel wheels on the rails leads to the induction of huge vibrations in the ground. As the tram runs in an urban environment, vibrations are transposed by the ground towards the buildings. The more there will be of trams circulating, the more there will be induced vibrations and the more the risk of damage to buildings along the streets through which the tram will be high. Apart from the risk of damage to buildings there is also the nuisance caused by these vibrations to residents. Indeed the nuisance caused by the vibrations induced by the passage of the tram can go until disturbing the sleep of the resident. To solve this problem art previous proposes to place around the rail a rubber jacket which absorbs a large part of these vibrations.

L'invention a pour but de réaliser un dispositif anti-bruit qui peut être facilement appliqué contre le rail. The object of the invention is to produce an anti-noise device which can be easily applied against the rail.

A cette fin un dispositif anti-bruit suivant l'invention est caractérisé en ce que la jaquette est pourvue de moyens de fixation agencés pour fixer les parties entre elles, lesdits moyens de fixation comportant une échancrure dans la première et deuxième partie et un fer à béton agencé à être fixé dans les échancrures. Ceci permet de fixer la jaquette au rail avant la pose de ce dernier et de poser ainsi le rail muni de sa jaquette. En effet les jaquettes sont d'abord posées contre le rail et ensuite le fer à béton est placé dans les échancrures. Ainsi le fer à béton logé dans les échancrures va maintenir les jaquettes contre le rail.To this end, an anti-noise device according to the invention is characterized in that the jacket is provided with fixing means arranged to fix the parts together, said fixing means having a notch in the first and second part and an iron concrete arranged to be fixed in the notches. This allows to fix the jacket to the rail before the installation of the latter and thus to install the rail provided of his jacket. In fact, the jackets are first placed against the rail and then the concrete reinforcement is placed in the notches. So the concrete iron housed in the notches will hold the jackets against the rail.

Une première forme de réalisation préférentielle d'un dispositif suivant l'invention est caractérisée en ce que la jaquette comporte une troisième partie agencée à être placée sous le flanc inférieur dudit rail.A first preferred embodiment of a device according to the invention is characterized in that the jacket has a third part arranged to be placed under the side lower of said rail.

La réalisation en parties de la jaquette permet non seulement une facilité de fabrication et de montage mais également d'envelopper le rail sur toute sa partie qui est enterrée dans le sol limitant ainsi au maximum la transmission de vibrations dans le sol.The realization in parts of the jacket allows not only ease of manufacture and assembly but also to wrap the rail on all its part which is buried in the ground limiting thus the maximum transmission of vibrations in the ground.

Une deuxième forme de réalisation préférentielle d'un dispositif suivant l'invention est caractérisée en ce que la jaquette comporte un bord supérieur agencé à être juxtaposé à la face supérieure dudit rail, ledit bord supérieur ayant une largeur sensiblement égale à 42 mm. Cette dimension du bord supérieur de la jaquette permet d'avoir entre deux rails munis de leur jaquette un écart correspondant à cinq klinkers et demi, facilitant ainsi le remplissage du centre de la voie.A second preferred embodiment of a device according to the invention is characterized in that the jacket has an upper edge arranged to be juxtaposed to the upper face of said rail, said upper edge having a width substantially equal to 42 mm. This dimension of the upper edge of the jacket allows to have between two rails provided with their jacket, a gap corresponding to five klinkers and a half, thus facilitating the filling of the center of the track.

Une troisième forme de réalisation préférentielle d'un dispositif suivant l'invention est caractérisée en ce que la jaquette comporte dans sa première et deuxième partie au moins une perforation destinée au passage des distanciateurs de rails. Ainsi la jaquette ne gène pas le passage des distanciateurs. A third preferred embodiment of a device according to the invention is characterized in that the jacket has in its first and second part at least one perforation intended for the passage of rail spacers. So the jacket doesn't does not interfere with the passage of spacers.

De préférence la jaquette est fabriquée en une matière ayant un facteur d'élasticité compris entre 5 NM et 20 NM mesuré suivant la norme DIN 53515. Ceci permet à la jaquette de bien résister aux forces qui lui sont imposées par le roulement du tram sur le rail.Preferably the jacket is made of a material having an elasticity factor between 5 NM and 20 NM measured according to DIN 53515. This allows the jacket to resist well to the forces imposed on it by the tram rolling on the rail.

De préférence la jaquette est fabriquée en une matière ayant une résistance à la pression d'au moins 40 Kg/cm2. La jaquette résiste ainsi également au trafic routier qui passe sur la route dans laquelle se trouve le rail.Preferably, the jacket is made of a material having a pressure resistance of at least 40 kg / cm 2 . The jacket thus also resists road traffic passing on the road in which the rail is located.

De préférence la jaquette est fabriquée en caoutchouc, en particulier du caoutchouc recyclé. Cette matière a l'avantage d'être peu onéreuse tout en ayant l'élasticité et la résistance requises.Preferably the jacket is made of rubber, especially recycled rubber. This material has the advantage of being little expensive while having the required elasticity and resistance.

L'invention sera maintenant décrite plus en détail à l'aide des formes de réalisation reprise dans les dessins où :

  • La figure 1 illustre un bout de rail muni d'un dispositif anti-bruit suivant l'invention;
  • La figure 2 illustre une vue en coupe à travers un dispositif suivant l'invention selon la ligne II-II';
  • La figure 3 illustre la fixation du distanciateur;
  • La figure 4 illustre par une vue en coupe deux rails munis de jaquettes suivant l'invention et posés sur le sol; et
  • La figure 5 illustre une vue en coupe à travers une autre forme de réalisation d'un dispositif anti-bruit suivant l'invention.
    • The invention will now be described in more detail using the embodiments shown in the drawings where:
  • FIG. 1 illustrates a piece of rail provided with an anti-noise device according to the invention;
  • Figure 2 illustrates a sectional view through a device according to the invention according to line II-II ';
  • Figure 3 illustrates the attachment of the distanciator;
  • Figure 4 illustrates in a sectional view two rails provided with jackets according to the invention and placed on the ground; and
  • Figure 5 illustrates a sectional view through another embodiment of an anti-noise device according to the invention.

    • Dans les dessins une même référence a été attribuée à un même élément ou à un élément analogue.In the drawings, the same reference has been assigned to a same or similar element.

    Dans la description qui suit, référence sera faite à un dispositif anti-bruit destiné à des rails pour tram. Il faut néanmoins remarquer que ce dispositif n'est pas limité à des rails de trams mais peut être utilisé pour tout rail, qu'il s'agisse d'un rail pour tram, pour train ou autre véhicule sur rail. Le dispositif trouve surtout son application en site urbain où le rail est enterré dans le sol. Toutefois il pourrait également être utilisé pour des rails qui ne sont pas enterrés. Le dispositif anti-bruit suivant l'invention n'est également pas limité aux formes de réalisation reprises dans les dessins et d'autres géométries, pour autant qu'elles épousent le profil du rail, sont possibles.In the following description, reference will be made to a anti-noise device for tram rails. However, note that this device is not limited to tram rails but can be used for any rail, whether it is a rail for tram, for train or other rail vehicle. The device mainly finds its application on site urban where the rail is buried in the ground. However it could also be used for rails that are not buried. The anti-noise device according to the invention is also not limited to the embodiments included in the drawings and other geometries, insofar as they fit the rail profile, are possible.

    La figure 1 illustre un exemple d'un dispositif 1 anti-bruit selon l'invention et monté autour d'un bout de rail 5. Dans l'exemple illustré le dispositif comporte trois parties 2, 3 et 4. La première 2 et la deuxième 3 partie enveloppent respectivement un premier et un deuxième flanc latéral du rail 5. Une troisième 4 partie est disposée sous la semelle du rail 5. Le dispositif anti-bruit selon l'invention comporte donc une jaquette qui enveloppe au moins en partie un rail. De préférence la jaquette comporte les trois parties mais une seule partie pourrait, le cas échéant, selon des variantes non couvertes par les revendications, suffire comme illustré à la figure 5. Ainsi seul le flanc latéral du rail se trouvant du côté extérieur du rail, c'est-à-dire le flanc opposé à celui de l'inter-rail, pourrait être équipé de la jaquette. Pour un rail qui n'est pas enterré dans le sol, comme c'est le cas pour des rails de chemin de fer, seul la troisième partie pourrait suffire.Figure 1 illustrates an example of an anti-noise device 1 according to the invention and mounted around a rail end 5. In the example illustrated the device has three parts 2, 3 and 4. The first 2 and the second 3 part respectively envelop a first and a second lateral flank of the rail 5. A third 4 part is arranged under the sole of the rail 5. The anti-noise device according to the invention therefore comprises a jacket which at least partially encloses a rail. Preferably the jacket has all three parties but only one party could, if applicable, according to variants not covered by the claims, suffice as illustrated in figure 5. Thus only the lateral flank of the rail being from the outer side of the rail, i.e. the side opposite to that of the inter-rail, could be fitted with the dust jacket. For a rail that is not buried in the ground, as is the case for railroad tracks, only the third part might be enough.

    La jaquette est fabriquée en une matière élastique et résistante comme par exemple du caoutchouc vulcanisé. La matière doit être élastique car elle doit pouvoir encaisser les forces induites par le véhicule qui circule sur le rail, ainsi que celles induites par la circulation qui circule sur la chaussée où les rails sont enterrés. La matière doit être résistante car elle doit pouvoir résister à des températures allant de - 30° à +40°C et garder sensiblement les mêmes propriétés dans cette plage de température. Ainsi la matière doit posséder un facteur d'élasticité compris entre 5NM et 20 NM, en particulier entre 6,6 NM et 17,6 NM mesuré suivant la norme DIN 53515. La résistance à la traction de la matière est de préférence située entre 0,79 MPA et 1,2 MPA mesuré suivant la norme DIN 53455. La résistance à la pression est d'au moins 40 kg/cm2 et de préférence 45 kg/cm2 mesuré suivant la norme DIN 53454. Enfin la déformation à la pression mesurée suivant la norme DIN 53572 est de préférence de 12% à 15,9% à 70°C durant 24 heures et de 6,3% à 6,6% à 23°C durant 72 heures.The jacket is made of an elastic and resistant material such as vulcanized rubber. The material must be elastic because it must be able to absorb the forces induced by the vehicle traveling on the rail, as well as those induced by the traffic traveling on the roadway where the rails are buried. The material must be resistant because it must be able to withstand temperatures ranging from - 30 ° to + 40 ° C and keep substantially the same properties in this temperature range. Thus the material must have an elasticity factor between 5NM and 20 NM, in particular between 6.6 NM and 17.6 NM measured according to DIN 53515. The tensile strength of the material is preferably between 0 , 79 MPA and 1.2 MPA measured according to standard DIN 53455. The resistance to pressure is at least 40 kg / cm 2 and preferably 45 kg / cm 2 measured according to standard DIN 53454. Finally the deformation at pressure measured according to DIN 53572 is preferably from 12% to 15.9% at 70 ° C for 24 hours and from 6.3% to 6.6% at 23 ° C for 72 hours.

    De préférence la matière utilisée est du caoutchouc recyclé obtenu à partir de pneus usagés. Ces pneus usagés sont broyés en poudrette et le caoutchouc broyé est ensuite amalgamé par du polyuréthanne pour former par moulage à haute pression les différentes parties de la jaquette. L'avantage d'utiliser du caoutchouc recyclé est que cette matière permet la fabrication de jaquettes à bon marché et offre une solution au recyclage des pneus usagés. Un autre avantage de l'utilisation du caoutchouc est que lorsque la jaquette et le rail sont posés dans le sol, le caoutchouc de la jaquette donne une meilleure adhérence aux pneus des véhicules et limite ainsi les effets du manque d'adhérence que provoquent les rails en acier.Preferably the material used is recycled rubber obtained from used tires. These used tires are shredded in powder and the ground rubber is then amalgamated with polyurethane to form by different pressure molding parts of the dust jacket. The advantage of using recycled rubber is that this material allows the manufacture of inexpensive jackets and offers a solution for recycling used tires. Another benefit of using rubber is that when the dust jacket and the rail are put in the ground, the rubber of the dust jacket gives better grip to the tires vehicles and thus limits the effects of the lack of grip that cause the steel rails.

    La jaquette a de préférence une longueur de 1,20 m correspondant à une modulation qui s'ajuste à la longueur conventionnelle des rails de tram.The jacket preferably has a length of 1.20 m corresponding to a modulation which adjusts to the conventional length tram rails.

    La jaquette est pourvue de moyens de fixation (6, 7 et 8) agencés pour fixer entre elles les différentes parties. Ces moyens de fixation comportent une protubérance 6 appliquée sur la face extérieure des premières et deuxièmes parties de la jaquette. Dans cette protubérance est pourvue une échancrure 7 dans laquelle vient se loger un fer à béton 8. Le fer à béton enveloppe la jaquette et relie ainsi les trois parties entre elles. L'avantage d'utiliser des moyens de fixation est que le montage des jaquettes peut se faire avant le placement du rail dans le sol. Ainsi le rail muni de sa jaquette peut être posé comme un ensemble. Le rail muni de sa jaquette peut ainsi être transporté et livré comme un ensemble et le montage de la jaquette ne doit pas se faire sur le site où est posé le rail.The jacket is provided with fixing means (6, 7 and 8) arranged to fix the different parts together. These means of attachment have a protrusion 6 applied to the outer face first and second parts of the dust jacket. In this protuberance is provided with a notch 7 in which is housed a concrete iron 8. The concrete iron wraps the jacket and thus connects the three parts between them. The advantage of using fastening means is that the mounting jackets can be done before placing the rail in the ground. Thus the rail provided with its jacket can be placed as a whole. The rail with its cover can thus be transported and delivered as a assembly and assembly of the jacket must not be done on the site where the rail is installed.

    Comme illustré à la figure 2 la jaquette a un profil 10, 11 et 12 qui épouse la géométrie 13, 14 et 15 du rail. Ceci est important car la jaquette doit être en contact direct avec le rail. En effet le but de la jaquette est d'absorber les vibrations que produit le tram ou autre véhicule qui circule sur le rail. La rotation des roues en acier du tram sur l'acier du rail provoque l'induction de vibrations dans le rail. Sans la présence des jaquettes ces vibrations sont transmises par le sol aux immeubles qui longent les rails du tram causant ainsi non seulement des dégâts aux immeubles mais également des nuisances aux riverains qui sont parfois dérangés dans leur sommeil dû à ces vibrations.As illustrated in Figure 2 the jacket has a profile 10, 11 and 12 which matches the geometry 13, 14 and 15 of the rail. This is important because the jacket must be in direct contact with the rail. The purpose of the jacket is to absorb the vibrations produced by the tram or other vehicle which runs on the rail. The rotation of the steel wheels of the tram on the steel of the rail causes induction of vibrations in the rail. Without the presence of jackets these vibrations are transmitted from the ground to buildings which run alongside the tram tracks, causing not only damage to buildings but also nuisance to residents who are sometimes disturbed in their sleep due to these vibrations.

    La présence de la jaquette permet maintenant d'absorber la majeure partie de ces vibrations et ainsi de sensiblement réduire leur induction dans le sol. Puisque la jaquette épouse parfaitement la géométrie du rail, les vibrations induites dans le rail sont transmises à la matière élastique et résistante de la jaquette qui les absorbe. Lorsque la jaquette comporte les trois parties aussi bien les vibrations latérales que transversales sont absorbées et leur induction dans le sol est sensiblement réduite.The presence of the jacket now makes it possible to absorb the major part of these vibrations and thus significantly reduce their induction in the soil. Since the jacket perfectly fits the rail geometry, the vibrations induced in the rail are transmitted to the elastic and resistant material of the jacket which absorbs them. When the dust jacket has the three parts both lateral vibrations as transverse are absorbed and their induction in the soil is significantly reduced.

    La première 2 et deuxième 3 partie de la jaquette possèdent chacune une géométrie en angle à leur partie inférieure 20, 21 qui vient prendre la section en angle 22, 23 de la troisième partie de la jaquette. Ainsi les différentes parties de la jaquette sont complémentaires de telle façon à envelopper sensiblement les flancs latéraux et inférieurs du rail.The first 2 and second 3 part of the jacket have each an angle geometry at their lower part 20, 21 which comes take the corner section 22, 23 of the third part of the jacket. So the different parts of the dust jacket are complementary to such so as to substantially envelop the lateral and lower sides of the rail.

    La jaquette est également pourvue d'une perforation 24, 25 dans sa première 2 et deuxième partie 3 destinée au passage d'un distanciateur 16 de rails comme illustré à la figure 3. Le distanciateur peut également être utilisé comme moyen de fixation de la jaquette au rail, par exemple à l'aide de boulons 17. The jacket is also provided with a perforation 24, 25 in its first 2 and second part 3 intended for the passage of a rail spacer 16 as illustrated in Figure 3. The spacer can can also be used as a means of fixing the jacket to the rail, for example example using bolts 17.

    La géométrie extérieure de la première et deuxième partie de la jaquette comporte un creux afin de renforcer d'une part la structure de la jaquette et d'autre part de permettre de former un coffrage au béton qui est coulé le long du rail lorsque ce dernier est posé dans le sol. Le béton vient ainsi se loger dans ce creux et permet de maintenir le rail avec sa jaquette en place.The external geometry of the first and second part of the jacket has a hollow in order to strengthen on the one hand the structure of the dust jacket and secondly allow to form a concrete formwork which is poured along the rail when the latter is placed in the ground. Concrete comes thus be housed in this hollow and allows to maintain the rail with its jacket in place.

    La distance d (figure 2 et 4) du bord supérieur de la première 2 et deuxième 3 partie de la jaquette, agencée à être juxtaposée à la face supérieure du rail, possède une largeur sensiblement égale à 42 mm. Ceci permet d'agencer entre deux rails une distance correspondant à cinq klinker 18 et demi et facilite ainsi le remplissage du centre de la voie.The distance d (figures 2 and 4) from the upper edge of the first 2 and second 3 part of the jacket, arranged to be juxtaposed on the face upper of the rail, has a width substantially equal to 42 mm. This allows to arrange between two rails a distance corresponding to five klinker 18 and a half and thus facilitates the filling of the center of the track.

    La forme inférieure de la jaquette est prévue en ergot, de façon à enserrer la troisième partie 4 pendant la prépose. Par la pression du poids du rail l'ouverture entre les parties se fermera de façon à constituer un écrin anti-vibratoire homogène et étanche.The lower shape of the dust jacket is provided in the form of a pin, so as to grip the third part 4 during the prepose. By pressure of the weight of the rail the opening between the parts will close so that constitute a homogeneous and waterproof anti-vibration case.

    La figure 5 illustre une autre forme de réalisation d'un dispositif anti-bruit suivant l'invention. Dans cette forme de réalisation la jaquette ne comporte qu'une seule partie 30 posée contre le premier flanc, c'est-à-dire le flanc extérieur du rail 5. La jaquette sert ici non seulement de dispositif anti-bruit, mais également à elle seule de profil d'épaulement. Dans ce cas la jaquette matérialise le remplissage des rails à l'extérieur de la voie et sépare le rail du béton de remplissage de la voierie. Le béton ne sera donc plus en contact direct avec le rail ce qui a pour conséquence que les vibrations induites par le tram dans les rails seront, au moins en grande partie, absorbées par le dispositif 30 et ne seront plus directement induites dans le béton. Ainsi le béton aura sensiblement moins tendance à fissurer et à casser dû aux vibrations. Puisque la jaquette est posée directement contre le rail, elle sert également de joint d'étanchéité de surface. Figure 5 illustrates another embodiment of a anti-noise device according to the invention. In this embodiment the dust jacket has only one part 30 placed against the first flank, that is to say the outer side of the rail 5. The jacket is used here not only anti-noise device, but also single shoulder profile. In this case the jacket materializes the filling of the rails outside of the track and separates the rail from the concrete filling of the roadway. Concrete does will therefore be more in direct contact with the rail, which has the consequence that the vibrations induced by the tram in the rails will, at least in much, absorbed by device 30 and will no longer be directly induced in concrete. Concrete will therefore be less likely to crack and break due to vibrations. Since the jacket is installed directly against the rail, it also serves as a seal for area.

    La jaquette 30 présente un profil plat 31 sur son côté extérieur et dispose d'un évidement 32 à sa partie inférieure. Ceci permet de chevaucher les fixations du rail, appliquées soit sur des travers en bois, soit sur des travers en béton préfabriqué ou coulé.The jacket 30 has a flat profile 31 on its side outside and has a recess 32 at its lower part. this allows overlap the rail fasteners, applied either on wooden sleepers, either on precast or poured concrete sleepers.

    Claims (8)

    1. Anti-noise device comprising a jacket made from strong elastic material, the said jacket having a first (2) and respectively second (3) part arranged so as to enclose a first and respectively a second lateral flank of a rail (5), in particular a rail for tramways, characterised in that the jacket is provided with fixing means (6) arranged so as to fix the parts to each other, the said fixing means comprising a scallop (7) in the first and second parts and a concrete reinforcement bar (8) arranged to be fixed in the scallops.
    2. Anti-noise device according to claim 1, characterised in that the said jacket also comprises a third part (4) arranged so as to be placed under the bottom flank of the said rail.
    3. Anti-noise device according to claim 1 or 2, characterised in that the first, second and third parts of the jacket are complementary so as to substantially completely enclose the lateral flanks and the bottom flank.
    4. Anti-noise device according to claim 1, 2 or 3, characterised in that the jacket comprises a top edge arranged so as to be juxtaposed with the top face of the said rail, the said top edge having a width of approximately 42 mm.
    5. Anti-noise device according to one of claims 1 to 4, characterised in that the jacket comprises, in its first and second parts, at least one perforation intended for the passage of the rail spacers (25).
    6. Anti-noise device according to one of claims 1 to 5, characterised in that the jacket is fabricated from a material having a modulus of elasticity of between 5 Nm and 20 Nm measured in accordance with DIN 53515.
    7. Anti-noise device according to one of claims 1 to 6, characterised in that the jacket is fabricated from a material having a resistance to pressure of at least 40 kg/cm2.
    8. Anti-noise device according to one of claims 1 to 7, characterised in that the jacket is fabricated from rubber, in particular recycled rubber.
    EP98870009A 1997-01-16 1998-01-16 Sound insulating device Expired - Lifetime EP0854234B1 (en)

    Applications Claiming Priority (4)

    Application Number Priority Date Filing Date Title
    BE9700045A BE1010354A6 (en) 1997-01-16 1997-01-16 Anti-noise device
    BE9700045 1997-01-16
    BE9700397A BE1010355A6 (en) 1997-01-16 1997-04-30 Anti-noise.
    BE9700397 1997-04-30

    Publications (2)

    Publication Number Publication Date
    EP0854234A1 EP0854234A1 (en) 1998-07-22
    EP0854234B1 true EP0854234B1 (en) 2004-06-16

    Family

    ID=25663079

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98870009A Expired - Lifetime EP0854234B1 (en) 1997-01-16 1998-01-16 Sound insulating device

    Country Status (6)

    Country Link
    EP (1) EP0854234B1 (en)
    AT (1) ATE269444T1 (en)
    BE (1) BE1010355A6 (en)
    DE (1) DE69824459T2 (en)
    ES (1) ES2224350T3 (en)
    PT (1) PT854234E (en)

    Cited By (1)

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    EP1895054A1 (en) * 2006-08-31 2008-03-05 Feronia S.A. Sound insulating device for rails for railway vehicles

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    DE19911467A1 (en) * 1999-03-15 2000-09-21 Knape Vermoegensverwaltungs Gm Track construction with insulated / elastic mounting of rails on a support layer formed around insulating material / elastic material
    BE1014197A3 (en) 2001-02-16 2003-06-03 Dirven Stuphane Rail and elastic jacket assembly e.g. for tramlines is made in a a cavity in a cast constructional material such as concrete
    GB0316521D0 (en) * 2003-07-15 2003-08-20 Corus Uk Ltd Improvements in or relating to damping of rail tracks
    US8602318B2 (en) 2004-09-21 2013-12-10 Feronia S.A. Method of covering a rail for a railway vehicle
    GB2421265A (en) * 2004-12-16 2006-06-21 Tiflex Ltd Railway rail with vibration damper
    EP1916336B1 (en) * 2006-10-19 2016-12-07 Plastiform's Isolierungs- und Versiegelungsvorrichtung für ein auf Schwellen montiertes Gleis, insbesondere für eine Strassenbahn-Gleiskonstruktion
    EP1988213A1 (en) * 2007-05-02 2008-11-05 edilon)(sedra B.V. Prefabricated rail supporting element
    BE1019172A5 (en) 2010-02-03 2012-04-03 Cdm N V ELECTRIC INSULATION FOR A VIBRATION DAMPER WITH AN ELASTIC M ANTEL FOR CONTINUALLY SUPPORTED RAIL BARS.
    BE1019171A3 (en) 2010-02-03 2012-04-03 Cdm N V METHOD FOR MANUFACTURING A RAILWAY BED WITH AN EMBEDDED CONTINUALLY SUPPORTED RAILWAY
    BE1019173A5 (en) 2010-02-03 2012-04-03 Cdm N V VIBRATION DAMPER WITH AN ELASTIC COAT FOR CONTINUALLY SUPPORTED TRACK BARS AND METHOD FOR ATTACHING THIS VIBRATION DAMPER.
    EP2386686B1 (en) * 2010-05-11 2017-01-04 Matthias Müller Use of a device for reducing cornering squeal
    CN102660911A (en) * 2012-05-30 2012-09-12 浙江瑞豪橡塑有限公司 Shock-absorbing rubber casing shoe for channel-sectional steel rail
    EP2845950B1 (en) 2013-09-04 2018-02-14 Prefarails Holding Ballastless railway track
    EP2845951A1 (en) 2013-09-04 2015-03-11 Prefarails Holding Rail jacket for rails intended for rail vehicles
    CN111287034A (en) * 2020-03-03 2020-06-16 中国船舶重工集团公司第七一一研究所 Protective device for tramcar rail
    CN111851162B (en) * 2020-07-07 2022-05-03 江苏金洋机械有限公司 Vibration and noise reduction device for railway track base plate construction

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    DE4004208C2 (en) * 1990-02-12 1994-02-17 Sedra Asphalt Technik Biebrich Sound insulation device on tram rails
    CH687260A5 (en) * 1992-12-30 1996-10-31 Umb Trading Ltd Apparatus for reducing airborne and sound on rails.
    DE59509124D1 (en) * 1994-05-05 2001-05-03 Phoenix Ag RAIL ARRANGEMENT

    Cited By (3)

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    Publication number Priority date Publication date Assignee Title
    EP1895054A1 (en) * 2006-08-31 2008-03-05 Feronia S.A. Sound insulating device for rails for railway vehicles
    WO2008025854A2 (en) 2006-08-31 2008-03-06 Feronia S.A. Rail anti-noise device for railroad vehicles
    WO2008025854A3 (en) * 2006-08-31 2008-04-17 Feronia S A Rail anti-noise device for railroad vehicles

    Also Published As

    Publication number Publication date
    PT854234E (en) 2004-11-30
    ES2224350T3 (en) 2005-03-01
    BE1010355A6 (en) 1998-06-02
    DE69824459D1 (en) 2004-07-22
    DE69824459T2 (en) 2005-08-25
    ATE269444T1 (en) 2004-07-15
    EP0854234A1 (en) 1998-07-22

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