EP3271512B1 - Boîtier pour lit de béton de voie de chemin de fer et procédé pour la construction d'une voie de chemin de fer - Google Patents

Boîtier pour lit de béton de voie de chemin de fer et procédé pour la construction d'une voie de chemin de fer Download PDF

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Publication number
EP3271512B1
EP3271512B1 EP16710194.8A EP16710194A EP3271512B1 EP 3271512 B1 EP3271512 B1 EP 3271512B1 EP 16710194 A EP16710194 A EP 16710194A EP 3271512 B1 EP3271512 B1 EP 3271512B1
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EP
European Patent Office
Prior art keywords
casing
concrete
dowel
elements
bedding
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.)
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Application number
EP16710194.8A
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German (de)
English (en)
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EP3271512A1 (fr
Inventor
John Vastmans
Frans DE JONGE
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.)
Sleepers bvba
Top-Off Nv
Original Assignee
Sleepers bvba
Top-Off Nv
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Publication date
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Publication of EP3271512A1 publication Critical patent/EP3271512A1/fr
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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
    • E01B26/00—Tracks or track components not covered by any one of the preceding groups
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/005—Making of concrete parts of the track in situ
    • 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
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
    • E01B3/34—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement with pre-tensioned armouring or reinforcement
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/20—Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting
    • E01B31/28—Applying or removing anti-splitting or like reinforcing means
    • 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
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/40—Slabs; Blocks; Pot sleepers; Fastening tie-rods to them
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor

Definitions

  • the present invention relates to a casing for concrete appropriate for the construction of a concrete bedding of a ballastless railway and further relates to a method for the construction of a ballastless railway.
  • a ballastless railway track also known as "slabtrack” is known in the state of the art and refers to a railway track in which the rails are attached directly to a concrete bedding or concrete ground and are not mounted on sleepers embedded in ballast, which is the case in conventional railways.
  • a train, a tram or a metro can for example drive on such ballastless railway track.
  • Ballastless railways offer many advantages comparted to conventional railways. They aim for example at a correct positioning of each element that is part of the railway, such as the rails and the concrete bedding, in which the geometric parameters remain almost unchanged in time. Furthermore, they require less maintenance than in conventional railways, as a result of which, as less interventions are needed, the operational availability of the railway infrastructure is increased simultaneously.
  • ballastless railways are however often much more demanding than for a conventional railway, as they require a larger precision as to the aligning and the finishing.
  • a correct positioning of the rails on the concrete bedding is for example crucial during the installation of ballastless railways.
  • the concrete bedding is sufficiently robust to resist the forces applied thereupon, especially when the railway is used for for example high-speed trains.
  • EP 1 323 866 and EP 1 460 174 describe for example methods for the construction of a ballastless railway, in which a concrete bedding is first installed and in which the rail attachment elements for attaching the rails to the concrete bedding are placed in the concrete bedding before it has hardened and are positioned correctly in the concrete bedding by means of a positioning mechanism.
  • EP 1 310 596 describes a method for constructing a ballastless railway, in which the concrete bedding is poured around anchoring elements that allow to attach rails to the concrete betting via attachment plates that fit around the anchoring elements, in which temporary attachment plates are first positioned, in the position where the final attachment plates will be placed, by means of a positioning mechanism (a crane) and are provided with the anchoring elements, followed by the pouring and hardening of concrete up to the height where the temporary attachment plates are positioned to subsequently remove the temporary attachment plates and to install the final attachment plates together with the rail for constructing the railway.
  • a positioning mechanism a crane
  • a problem with the abovementioned positioning mechanisms is that they are often heavy and hard to work with, especially when rails have to be constructed in places that are difficult to reach or where there is little space such as for example in a tunnel, underground, on a bridge or at places where there is a lot of traffic, as a result of which the installation of the rail attachment elements as well as the rails is very labour-intensive and very time-consuming. Furthermore, specialized personnel is required for adjusting everything correctly.
  • ballastless railway there is a need for an improved method for the construction of a ballastless railway, in which the construction can be realized in a simple, unambiguous and cost-efficient way, with a concrete bedding that is sufficiently robust and has a correct finishing and alignment, as well as in which the rails can be attached to the concrete bedding easily in the correct position without the use of heavy positioning mechanisms that are difficult to handle.
  • the present invention aims to find a solution for at least some of the above-mentioned problems.
  • the invention aims to provide a casing for concrete that allows to construct a concrete bedding for a ballastless railway in a simple and cost-efficient way, in which the rails can be attached to the concrete bedding easily in the correct position without the use of heavy positioning mechanisms that are difficult to handle.
  • the invention furthers relates to a method for the construction of a ballastless railway using a similar casing.
  • the invention relates to a casing for concrete, appropriate for use in the construction of a concrete bedding of a railway according to claim 1.
  • the casing according to the present invention allows a concrete bedding for a ballastless railway to be constructed in a simple and cost-efficient way, in which the rails can easily be positioned and mounted to the concrete bedding without the use of heavy positioning mechanisms that are difficult to handle.
  • the invention in a second aspect, relates to a method for the construction of a ballastless railway according to claim 7.
  • the method preferably uses a casing for concrete according to claim 1.
  • the invention relates to a casing for concrete appropriate for the construction of a concrete bedding of a railway that allows to construct a well aligned and finished concrete bedding in a simple and cost-efficient way, that ensures the rails to be mounted in the correct position on the bedding for the construction of a ballastless railway.
  • a dowel means for example one or more than one dowel.
  • the citation of numeric intervals by means of end points includes all integers, fractions and/or real numbers between the end points, including these end points.
  • DE 10343628 A1 discloses the teaching that during the construction of a high-speed railway line a section of pre-assembled track is pre-positioned over the intended wet concrete bed and held at the correct presentation while the concrete or surrounding shell sets.
  • the track is supported by lift gear with a jacking spindle and a foot, with a clamp that engages with the supported rails.
  • the present invention relates to a casing for concrete, appropriate for use in the construction of a concrete bedding of a railway, preferably a ballastless railway.
  • the casing contains at least one casing element and a reinforcement, in which the at least one casing element is connected bearingly to the reinforcement.
  • the reinforcement is in particular connected bearingly to at least a part of at least one attachment means, which attachment means is appropriate for the attachment of at least one rail to the concrete bedding to be constructed.
  • casing or “casing for concrete”, herein used as synonyms, is a term known in the state of the art and relates to a typically temporary installed mould or counter mould, formed by means of one or more casing elements, where concrete can be provided into.
  • the mould or counter mould hereby holds the concrete in its place during the provision and hardening of the concrete.
  • the mould or counter mould also preferably holds the reinforcement in its place while it is embedded in the concrete.
  • the one or more casing elements that can form the mould or counter mould can contain any material known in the state of the art, such as for example wood, plastic, metal, e.g. steel or a combination of these materials and can have any shape or dimensions.
  • the at least one casing element is plate-shaped. In places where the casing element holds the concrete in its place during its hardening, an additional coating or layer can be provided allowing the casing element to be removed more easily from the concrete, once it has hardened.
  • reinforcement or “reinforcement for concrete”, as used here as synonyms, is a term known in the state of the art and refers to a reinforcing element that is provided in concrete for reinforcing it and making it more resistant to for example compressive or tensile forces to which the concrete is subjected.
  • reinforcementd concrete When a reinforcement is present in the concrete, the term “reinforced concrete” is typically used.
  • the reinforcement according to the present invention can contain any configuration known in the state of the art and can for example be provided in the form of rods, nets, cables, grids, etc. and can further contain any material known in the state of the art, such as metal, e.g. steel, optic fibre, plastic, etc. According to a preferred embodiment, the reinforcement according to the present invention contains steel.
  • the casing according to the present invention contains at least one first plate-shaped casing element and at least one second plate-shaped casing element that form an upwardly open, gutter-shaped construction with a ground, for example a ground onto which a concrete bedding will be placed, and between which two plate-shaped casing elements the reinforcement is comprised.
  • a ground for example a ground onto which a concrete bedding will be placed
  • two plate-shaped casing elements the reinforcement is comprised.
  • concrete can then be provided, in which the casing elements also determine the shape of the concrete bedding to be constructed, while the reinforcement between the two casing elements is also embedded in the concrete bedding.
  • the at least one first casing element and the at least one second casing elements are preferably substantially perpendicular to the ground onto which the concrete bedding will be installed and they extend preferably substantially in parallel to each other. In this way, a straight, well-finished concrete bedding can be obtained.
  • the at least one casing element is demountably connected to the reinforcement.
  • the at least one casing element that serves as a mould or counter mould for the construction of the concrete bedding, to be disassembled for the reinforcement - that is then embedded in the concrete - so that the at least one casing element can be removed from the constructed reinforced concrete bedding and can optionally be recycled and reused.
  • the bearing connection or mounting of the reinforcement to the at least one casing element can be realized in any way known in the state of the art.
  • the reinforcement for example doesn't have to be connected directly to the at least one casing element, but can also be connected bearingly to the casing element via a connecting piece.
  • WO 2014 198 585 , WO 2014 184 059 and WO 2009 043 822 give non-limiting examples of attachment means that can be used alternatively or additionally to the present invention.
  • the attachment means can additionally include at least one screw, plate, spring element, dowel, etc. in any form, configuration or material.
  • the reinforcement or a connection element is connected bearingly to at least a part of the attachment means, it means that the reinforcement or the connection element can also additionally be connected bearingly to any part of the attachment means, such as for example to a screw, a plate, a spring element, a dowel, etc. or any combination of the parts of the attachment means, such as for example a combination of a dowel and a screw.
  • the casing according to the present invention does not only allow to construct a well-finished reinforced concrete bedding for a railway, but because the reinforcement is connected bearingly to at least a part of at least one attachment means, it also allows that part of the attachment means to be automatically provided with the provision of the casing. This allows to position that part of the attachment means in such way in the casing that, once concrete is provided in the casing and a concrete bedding is formed, the rails can be mounted in a correct, i.e. a desired position to the concrete bedding by means of the at least partially prepositioned attachment means. With other words, by providing the casing, at least a part of the attachment means will also automatically be provided at already a correct position in the casing where the rails will later be mounted on the concrete bedding to be constructed.
  • the at least one attachment means contains at least one dowel.
  • a "dowel” as used here is a term known in the state of the art and refers to an anchoring element that is typically used for the anchoring of an object, typically a screw, in a non-elastic material, such as for example concrete.
  • the dowel is hereby typically placed in a precisely fitting hole in the non-elastic material or can be placed in the non-elastic material when this material is in another state.
  • the dowel can be surrounded by concrete in a non-hardened state or it can be placed in the concrete when it is still in a non-hardened state, after which the concrete hardens and the dowel is fixed in the concrete.
  • the dowel can include any form as well as any material known in the state of the art.
  • the dowel preferably contains a plastic material that is preferably elastic or at least partially elastic.
  • the dowel is preferably hollow and substantially tubular-shaped with an open end and an opposite closed end.
  • the screw is typically inserted via the open end in the hole of the dowel.
  • the inner surface of the tubular-shaped dowel is hereby typically provided with a screw pattern that is complementary to the screw pattern of the screw that is inserted in the dowel, so that the screw is inserted in the dowel by means of a turning movement and thus gets fixed in the dowel.
  • Dowels with two open ends can for example also be used instead of the said dowels with an open and a closed end.
  • a dowel with two open ends has the advantage that a liquid, such as for example water, cannot accumulate in the dowel, and can be used for drainage.
  • the reinforcement is connected bearingly to the at least one dowel.
  • the bearing connection between the reinforcement of the casing and the at least one dowel allows this dowel to already be positioned correctly in the casing even before the concrete is provided.
  • the at least one dowel can be surrounded by concrete and can be anchored in the concrete bedding and this already in the correct position where afterwards, after the formation of the concrete bedding, a rail can be provided and attached to the concrete bedding.
  • the attachment means preferably contains at least one screw that fits in the dowel. This screw is preferably only provided in the dowel when the concrete bedding is already constructed by means of the casing of which the reinforcement is connected bearingly to the at least one dowel.
  • the rail can be attached to the concrete bedding by means of the screw by placing the screw in the prepositioned dowel in the concrete bedding.
  • the attachment means preferably contains, next to at least one screw, at least one spring element and at least one fixation plate for further positioning and fixing the rail on the concrete bedding.
  • the dowel When the reinforcement is connected bearingly to the at least one dowel, the dowel preferably contains a demountably closing element that is preferably appropriate for at least temporarily closing the open end of the dowel.
  • This closing element is preferably present as a result of the fact that, when concrete is provided in the casing, there is a risk that the opening within the dowel is filled with concrete via the open end of the dowel, as a result of which no screw can be placed anymore afterwards for the anchoring of the attachment means.
  • this open end can temporarily be closed so that it can be avoided that concrete enters the dowel. After the provision of the concrete, the open end of the dowel can again be opened by disassembling the closing element from the dowel.
  • Such closing element can contain any mechanism to close the open end of a dowel.
  • the closing element can for example contain a screwing cap that can be screwed onto the open end of the dowel or the closing element can contain a groove or recess that fits in respectively a recess or groove that is present at the open end of the dowel to mount the closing element at the open end of the dowel.
  • the closing element can contain any material such as for example metal, e.g. steel or synthetic material, e.g. plastic.
  • the closing material can contain the same or another material as the material of the dowel.
  • the dowel can also contain additional elements for, for example, the extra robust anchoring of the dowel in the concrete bedding.
  • An extra anchoring enclosure can for example be provided around the dowel, for the extra anchoring of the dowel in the concrete bedding. This can for example be necessary when the concrete bedding is intended for the construction of a high-speed railway line, where the risk is higher that the dowel can detach from the concrete bedding.
  • the reinforcement will preferably be connected bearingly to the dowel via the additional element, for example the anchoring enclosure.
  • the casing according to the present invention contains at least one first plate-shaped casing element and at least one second plate-shaped casing element that form an upwardly open, gutter-shaped construction with a ground, for example a ground onto which a concrete bedding will be constructed, and between which two plate-shaped casing elements the reinforcement is comprised, where the reinforcement contains at least one connection element that mutually connects the at least one first casing element and the at least one second casing element in a bearing manner.
  • connection element increases the stability of the two casing elements and avoids for example the displacement of the two casing elements during the placement of concrete.
  • the connection elements are intended as structural reinforcement of a final installed concrete bedding, as a result of which the connection elements are understood to be included in the term "reinforcement” or "reinforcement for concrete" in the context of the present invention.
  • the at least one first casing element and the at least one second casing element are connected demountably to the connection element. Once concrete has been provided in the casing, this allows the two casing elements to be disassembled from the at least one connection element - that is then embedded in the concrete - so that the casing elements can be removed from the constructed reinforced concrete bedding and optionally can be recycled and reused.
  • the mounting of the casing elements to the at least one connection element can be realized in any way known in the state of the art.
  • the casing elements for example do not have to be connected directly to the connection element, but can also be connected bearingly to the connection element via a connecting piece.
  • connection element can have any shape such as for example rod-shaped, net-shaped, cable-shaped, grid-shaped, etc. and can further contain any material, such as for example metal, e.g. steel, optic fibre, plastic, etc. or a combination of these materials.
  • the at least one connection element is preferably rod-shaped. According to a preferred embodiment, the at least one connection element contains steel.
  • the at least one connection element is connected bearingly to at least a part of the at least one attachment means.
  • the attachment means contains at least one dowel, in which the least one connection element is connected bearingly to the at least one dowel.
  • this dowel will then be anchored in the concrete bedding between the two casing elements and this already in the correct position where afterwards, after the formation of the concrete bedding, a rail can be provided and mounted to the concrete bedding.
  • the dowel preferably contains a demountable closing element, similar to the one described above.
  • the at least one connection element is connected bearingly to the dowel via at least one positioning element.
  • Such positioning element holds the dowel in the correct position on the connection element.
  • the positioning element preferably holds the dowel in such position between the two casing elements so that the at least one dowel is already located in the correct position between the two casing elements where afterwards, after forming the concrete bedding, a rail can be provided and mounted to the concrete bedding.
  • the at least one positioning element preferably holds the dowel positioned with the closed end of the dowel oriented to the ground.
  • the positioning element contains a clamp system, which clamps the dowel and thus holds it in position or an annular holder that encloses the outer diameter of the dowel and thus holds the dowel in position.
  • the positioning element can be an integral part of the connection element or it can be connected separately to the connection element.
  • the positioning element, holding the dowel in place can optionally be placed in different positions on the connection element in order to adjust the position of the dowel in the casing.
  • the dowel and/or the positioning element can contain a control mechanism, that checks if the dowel is held in the correct position via the positioning element.
  • the positioning element contains a magnet that allows to position the dowel and the positioning element in a correct mutual position.
  • the reinforcement according to the present invention can contain any number of connection elements and the connection elements can be positioned in any way with respect to each other, e.g. crossed, in parallel, etc.
  • the reinforcement preferably contains at least two connection elements.
  • the at least two connection elements can be mutually connected via at least one tie element.
  • Such tie elements can contain the same or another material as the material of the connection elements.
  • the tie elements can for example contain metal, e.g. steel, optic fibre, plastic, etc.
  • the tie elements preferably contain the same material as the connection elements.
  • the tie elements preferably contain steel. Because of the presence of tie elements, the connection elements are mutually better stabilised and this further contributes to the general stability of the casing.
  • ballastless railway By using a casing for concrete according to the first aspect of the present invention, a ballastless railway can be obtained.
  • This ballastless railway contains at least a reinforcement, an attachment means, a rail and a concrete bedding, in which the reinforcement is connected bearingly to at least a part of the at least one attachment means, and the attachment means and reinforcement are at least partially embedded in the concrete bedding, and in which by means of the at least one attachment means, one rail can be mounted to the concrete bedding.
  • This ballastless railway is located on a ground by means of the concrete bedding.
  • the present invention relates to a method for the construction of a railway, consisting of the steps:
  • the at least one casing element of the casing is preferably removed from the casing after the formation of a reinforced concrete bedding, in which the reinforcement, to which at least a part of the at least one attachment means is connected bearingly, is also embedded in the concrete bedding.
  • a casing according to the present invention can preferably be used in a method for the construction of a railway as described in the Belgian patent application with number 2015/5148 filed on March 16th, 2015 , on behalf of Top-Off NV and Sleepers BVBA, or as described in the PCT patent application with number PCT/EP2016/055699 filed on March 16th, 2016 , on behalf of the same applicants.
  • the concrete according to the present invention can contain any type of concrete and can contain any concrete composition as known in the state of the art. Furthermore, the concrete can be provided in the casing in any way, using any means or device, as known in the state of the art.
  • FIG 1A and 1B respectively give a schematic side view and a schematic upper view of a casing of concrete according to an embodiment of the present invention.
  • the casing according to this embodiment contains two plate-shaped casing elements (2) that are perpendicular to a ground (1), onto which the concrete bedding will be installed, so that they form an upwardly open, gutter-shaped construction with the ground ( Figure 1A ) where concrete can be provided into.
  • the two casing elements hereby extend in parallel to each other.
  • connection elements (3) that can connect the two casing elements to each other.
  • the connection elements according to this embodiment extend in parallel to each other, perpendicular to the plate-shaped casing elements.
  • the connection elements are mounted to the casing elements via their ends.
  • Each casing element hereby contains recesses (not shown) in which each recess can contain an end of a rod-shaped connection element so that the end of the connection element can be shifted through the recess and can be positioned at the outer side of the casing element, i.e. at the side of the casing elements opposite to the side where concrete is provided.
  • connection elements At both ends of each connection elements, a screw system is provided (not shown), so that, once the connection element is shifted through the recess of the casing element, the connection element can be mounted to the casing plate by means of a nut (5) that is provided onto the screw system of the connection element at the outer side of the casing elements.
  • This system allows the casing elements to be disassembled easily from the reinforcement once the concrete has been provided, i.e. by again removing the nuts (5) from the screw system and removing the casing elements, while the reinforcement stays in the concrete.
  • other attachment methods can be used allowing the connection elements to be mounted to the casing elements and afterwards the casing elements to be removed from the connection elements.
  • Figure 1A shows two connection elements positioned above and under each other seen from a vertical point of view.
  • Each connection element in this embodiment is provided with four positioning elements (4) that are appropriate for correctly positioning four dowels (not shown).
  • the positioning elements of the two connection elements positioned above and under each other ( Figure 1A ) are also positioned above and under each other seen from a vertical point of view and each pair of positioning elements positioned above and under each other work together to correctly position one dowel, as schematically shown in Figure 5 .
  • the positioning elements according to this embodiment contain annular holders ( Figure 1B ) with a diameter that is sufficiently large to contain a dowel and to hold it in a correct position ( Figure 5 ).
  • the diameter of the annular element is optionally adjustable according to the type of dowel used in the attachment means.
  • the annular positioning element is an integral part of the connection element, but this positioning element can also be provided separately and attached to the connection element, for example by mounting it thereupon, in which the position of the positioning element can optionally be adjusted manually or automatically according to the type of attachment means for the rails.
  • a clamp element (not shown) can for example be provided that can clamp and hold the dowel in position.
  • the dowel that is shown schematically in figure 5 , is a hollow and tubular-shaped element with one end of the tube that is closed and one end of the tube that is open, in which the closed end is oriented to the ground, onto which the bedding will be placed.
  • the open end is arranged for receiving a screw of an attachment means of a rail so that a rail can be mounted to the concrete bedding with the attachment means via de dowel.
  • Figure 5 shows that the dowel, that is positioned by means of two positioning elements, contains a demountably closing element (9) at the open end of the dowel.
  • Such closing element ensures that the dowel, that is connected bearingly to the reinforcement before the concrete is provided in the casing, is not filled with concrete via the open end of the dowel. After providing the concrete, this closing element can easily be removed from the dowel so that the open end of the dowel becomes available for receiving a screw of an attachment means to mount the rail to the concrete bedding.
  • Figure 2A and 2B respectively give a schematic side view and a schematic upper view of a casing of concrete according to another embodiment of the present invention.
  • the casing contains two casing elements (2), between which straight rod-shaped connection elements (3) are provided that are mounted to the casing elements via their ends with a nut and screw system, similar to the one described for figure 1A and 1B .
  • two connection elements are positioned above and under each other from a vertical point of view and each connection element contains four positioning elements for positioning four dowels (not shown).
  • the positioning elements of the two connection elements positioned above and under each other are however not positioned exactly under each other from a vertical point of view, but slightly deviate from each other under a particular angle, so that when a dowel is placed in two positioning elements positioned under each other, the dowel forms a similar angle. In this way, by adjusting the position of the two positioning elements positioned above each other, the position of the dowel can be adjusted according to the type of dowel and the type of attachment means for the rails.
  • Figure 3 shows a schematic side view of a casing for concrete according to another embodiment of the present invention, in which the reinforcement contains three connection elements that are positioned above and under each other from a vertical point of view.
  • the reinforcement contains three connection elements that are positioned above and under each other from a vertical point of view.
  • three positioning elements (3) of the three connection elements positioned above and under each other work together to position one dowel (not shown).
  • Figure 4A and 4B respectively give a schematic side view and a schematic upper view of a casing for concrete according to another embodiment of the present invention.
  • the casing is similar to Figure 1 , but the connection elements in this embodiment are mutually connected via tie elements ((6) and (7)), the connection elements that are positioned above each other seen from a vertical point of view ( Figure 4A (6)) as well as the connection elements that are located in one plane seen from a horizontal point of view ( Figure 4B (7)).
  • tie elements (6) and (7)
  • connection elements are straight rod-shaped elements that extend in parallel to each other and are substantially perpendicular to the plate-shaped casing elements
  • connection elements can also take other shapes.
  • Two connection elements can for example cross each other, they can form an angle with respect to the plate-shaped casing elements and/or they can have curved or divergent shapes and thus they do not necessarily have to be straight.
  • connection or mounting of the reinforcement to the casing element can be realized in any way known in the state of the art.
  • the reinforcement for example doesn't have to be connected directly to the at least one casing element, but can also be connected bearingly to the casing element via a connecting piece.
  • Figure 6 gives a schematic illustration of how a reinforcement can be mounted to a casing for concrete according to an embodiment of the present invention.
  • two connection elements (3) extend in parallel to each other between two casing elements, similar to for example Figure 1 or 2 , but the ends of the two connection elements are hereby mounted to the casing elements (2) via a connecting piece (10).
  • the two places (5) where the connecting piece is mounted to the casing element are located further from each other than the connection elements are mutually positioned. This further ensures a more stable mounting of the reinforcement to the casing.
  • Figure 7 shows a schematic side view of a concrete bedding (11) that is installed by means of a casing for concrete according to figure 2 , in which two rails (13) are mounted to the concrete bedding by means of two attachment means (12) via the prepositioned dowels (8), i.e. the dowels (8), with closing element, were already positioned via positioning elements in the casing before concrete was provided or poured in the casing, in which afterwards, after the formation and hardening of the concrete bedding, the rails (13) were mounted to the prepositioned dowels via the screws of the attachment means (12).
  • the upper surface of the concrete bedding is first levelled, for example milled, before mounting the rails to the concrete bedding, in which a part of the upper surface of the concrete bedding was removed.
  • the upper surface was preferably levelled in such way that the open end of the dowels, that were embedded in the concrete bedding, were located at the upper surface of the concrete bedding, after which the closing element of the dowels could be disassembled so that the open end at the surface was available to be able to bring in a screw for mounting the rails.
  • the casing elements are still present after the formation of the concrete bedding, but these casing elements can also be disassembled and removed from the concrete bedding, for example just after the pouring and hardening of the concrete. After removing these casing elements, a ballastless railway is obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)

Claims (7)

  1. Coffrage pour béton, approprié pour la construction d'un enrobage de béton (11) d'un chemin de fer, comprenant un renfort entre au moins un premier et au moins un second élément de coffrage en forme de plaque (2), lesdits éléments de coffrage (2) étant aptes à former une construction en forme de gouttière ouverte vers le haut avec un sol (1), moyennant quoi les éléments de coffrage en forme de plaque (2) sont reliés par contact et de manière démontable au renfort, et au moins un moyen de fixation (12) pour monter au moins un rail (13) sur l'enrobage de béton (11) à construire, moyennant quoi ledit moyen de fixation (12) comprend au moins un goujon (8), moyennant quoi le renfort comprend au moins un élément de liaison (3) qui relie le au moins un premier et le au moins un second élément de coffrage en forme de plaque (2) par contact, moyennant quoi ledit au moins un élément de liaison (3) est relié par contact audit au moins un goujon (8) par l'intermédiaire d'au moins un élément de positionnement (4), caractérisé en ce que ledit élément de positionnement (4) contient un système de serrage pour serrer le goujon (8), un support annulaire (4) pour enfermer le diamètre extérieur du goujon (8) ou un aimant pour positionner le goujon (8) et l'élément de positionnement (4) dans une position mutuelle correcte, afin de maintenir ainsi le au moins un goujon (8) en place.
  2. Coffrage selon la revendication 1, dans lequel ledit au moins un goujon (8) contient un élément de fermeture démontable (9).
  3. Coffrage selon la revendication 1 ou 2, dans lequel le au moins un premier élément de coffrage en forme de plaque (2) et le au moins un second élément de coffrage en forme de plaque (2) sont reliés de manière démontable audit élément de liaison (3).
  4. Coffrage selon l'une quelconque des revendications 1 à 3, dans lequel ledit au moins un élément de liaison (3) est en forme de tige.
  5. Coffrage selon la revendication 3 ou 4, dans lequel ledit renfort contient au moins deux éléments de liaison (3).
  6. Coffrage selon la revendication 5, dans lequel lesdits au moins deux éléments de liaison (3) sont reliés l'un à l'autre par au moins un élément d'attache (6, 7).
  7. Procédé de construction d'un chemin de fer comprenant les étapes suivantes :
    a. la fourniture d'un coffrage pour béton selon l'une quelconque des revendications 1 à 6 sur un sol (1) sur lequel un enrobage de béton (11) sera installé;
    b. la fourniture de béton dans le coffrage et la mise en oeuvre du durcissement pour former un enrobage de béton armé (11) ;
    c. le montage d'au moins un rail (13) sur l'enrobage de béton (11) en utilisant au moins un moyen de fixation (12), dont au moins une partie est reliée par contact au renfort du coffrage.
EP16710194.8A 2015-03-16 2016-03-16 Boîtier pour lit de béton de voie de chemin de fer et procédé pour la construction d'une voie de chemin de fer Active EP3271512B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE201505149 2015-03-16
PCT/EP2016/055712 WO2016146699A1 (fr) 2015-03-16 2016-03-16 Boîtier pour lit de béton de voie de chemin de fer et procédé pour la construction d'une voie de chemin de fer

Publications (2)

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EP3271512A1 EP3271512A1 (fr) 2018-01-24
EP3271512B1 true EP3271512B1 (fr) 2019-10-09

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EP16710194.8A Active EP3271512B1 (fr) 2015-03-16 2016-03-16 Boîtier pour lit de béton de voie de chemin de fer et procédé pour la construction d'une voie de chemin de fer

Country Status (4)

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US (1) US20180080177A1 (fr)
EP (1) EP3271512B1 (fr)
AU (1) AU2016232178A1 (fr)
WO (1) WO2016146699A1 (fr)

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
FR3067045B1 (fr) * 2017-06-01 2019-07-26 Alstom Transport Technologies Procede de fabrication d'un support de voie ferree, support de voie ferree et installation ferroviaire associes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10029315A1 (de) * 1999-06-18 2001-03-01 Gsg Knape Gleissanierung Gmbh Verfahren zur Herstellung einer festen Fahrbahn für Schienenfahrzeuge
FR2831898B1 (fr) 2001-11-07 2004-10-01 Alstom Procede de construction d'une voie ferree sur une dalle de beton et selle provisoire pour la mise en oeuvre de ce procede
DE10163771B4 (de) 2001-12-27 2005-08-18 Leonhard Weiss Gmbh & Co. Kg Beton-Schienenauflager zur Aufnahme lediglich einer Schiene eines Gleises einer Festen Fahrbahn für Schienenfahrzeuge
FR2845700B1 (fr) * 2002-10-15 2015-02-13 Railtech Int Support de rail pour voie sans ballast
DE10312351A1 (de) 2003-03-20 2004-10-07 Leonhard Weiss Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung einer insbesondere festen Fahrbahn für Schienenfahrzeuge
DE10343628B4 (de) * 2003-09-20 2007-08-09 Heitkamp Rail Gmbh Vorrichtung zum Anheben und Ausrichten von Gleisrosten
DE102007046543A1 (de) 2007-09-27 2009-04-16 Vossloh-Werke Gmbh System zum Befestigen einer Schiene und Spannklemme für ein solches System
DE202009008366U1 (de) * 2008-07-08 2009-08-20 Heilit+Woerner Bau Gmbh Schienenfahrbahn, insbesondere für einen Tunnel- oder Brückenbereich
DE102013104907A1 (de) 2013-05-13 2014-11-13 Vossloh-Werke Gmbh System zum Befestigen von für Schienenfahrzeuge vorgesehenen Schienen, Befestigungspunkt für Schienen, Einrichtung zum Unterlegen von Schienen und Unterlegplatte
DE102013106123A1 (de) 2013-06-12 2014-12-18 Vossloh-Werke Gmbh Schienenbefestigungspunkt und Unterlegplatte für einen solchen Schienenbefestigungspunkt

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Also Published As

Publication number Publication date
WO2016146699A1 (fr) 2016-09-22
US20180080177A1 (en) 2018-03-22
EP3271512A1 (fr) 2018-01-24
AU2016232178A1 (en) 2017-10-12

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