EP3947815A2 - Section de voie sans ballast pour véhicule ferroviaire - Google Patents
Section de voie sans ballast pour véhicule ferroviaireInfo
- Publication number
- EP3947815A2 EP3947815A2 EP20726215.5A EP20726215A EP3947815A2 EP 3947815 A2 EP3947815 A2 EP 3947815A2 EP 20726215 A EP20726215 A EP 20726215A EP 3947815 A2 EP3947815 A2 EP 3947815A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- slab
- track
- stud
- longitudinal
- support
- 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
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000000806 elastomer Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011178 precast concrete Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013521 mastic Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—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
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
Definitions
- the invention relates to a ballast-free rail track for a railway vehicle.
- the invention relates more particularly to a section of track for a railway vehicle intended to allow the manufacture of a running track of a railway vehicle by placing end to end a plurality of track sections according to the invention.
- ballast Since the birth of railway tracks, it has been known to install these tracks on ballast, that is to say on a bed of crushed stone or gravel.
- the ballast distributes the forces transmitted by the sleepers under the action of the rolling loads on the underlying track platform.
- the ballast thus makes it possible to limit the compaction of the platform.
- the ballast also makes it possible to embed the sleepers to limit their displacement and deformation.
- ballast-free track projects have multiplied, in particular tracks on concrete slabs. Indeed, a ballast-free track has the advantages of minimizing track maintenance costs and extending its lifespan.
- ballast-free track generally comprises a concrete or asphalt foundation layer on which a concrete slab cast in place or prefabricated and intended to support and anchor the rails of the track is placed.
- the applicant has thus already proposed a ballast-free track for a guided transport vehicle comprising a track platform and a plurality of track sections each comprising a track panel formed of two sill extending along a longitudinal axis, each sill further comprising an upper longitudinal groove for receiving a rail, and cross members integral with the stringers and extending transversely between them.
- the track section already proposed by the applicant further comprises a plurality of panel supports configured to be able to support the panel above the track platform.
- the supports each comprise a fixing stud suitable for being fixed to the platform, a cradle suitable for supporting the panel, and means for vertical displacement of said cradle relative to said stud so as to be able to adjust the height of the panel relative to said platform and define the slope of the track section.
- the vertical displacement means comprise a wedge wedge resting on a bottom of a receptacle for receiving the stud, the wedge carrying the cradle which is mounted vertically movable along a vertical axis perpendicular to the longitudinal axis in the stud.
- each outrigger (and consequently, the height of each rail housed in the groove of the outrigger) can be adjusted, after its installation.
- This height of the outrigger (that is to say the distance which separates the platform from the outrigger) is defined and regulated by a displacement of the support cradle of a outrigger obtained by the displacement of the wedge in the corner of each support .
- the inventors have sought to improve the proposed solution, in particular in order to be able to simplify the adjustment of the track and to propose a more compact version of the means for adjusting the track after its installation.
- the invention aims to overcome at least some of the drawbacks of known ballast-less tracks.
- the invention aims to provide, in at least one embodiment, a section of track whose geometry (slope, height) can be adjusted. after its installation by simple and compact design means.
- the invention also aims to provide a section of track that does not require a concrete or mastic asphalt slab to be installed.
- the invention also aims to provide, in at least one embodiment, a section of track which allows correction of the geometry of the track thus formed after its installation and at any time during the life of the track thus formed. , in particular to compensate for the settlements linked to the operation of the track.
- the invention also aims to provide, in at least one embodiment, a section of track which can be quickly installed by track laying crews.
- the invention also aims to provide, in at least one embodiment, a section of track which is easy to maintain.
- the invention also aims to provide, in at least one embodiment, a section of track which is not very sensitive to flooding.
- the invention also aims to provide, in at least one embodiment, a section of track which can be installed on different types of engineering structure, such as tunnels, viaducts, in particular U-shaped viaducts, bridges. , booms, etc.
- the invention also aims to provide, in at least one embodiment, a section of track which limits its impact on the ecosystem of the location of the track.
- the invention relates to a section of track without ballast for a railway vehicle intended to be fixed on a track platform characterized in that said section of track comprises:
- prefabricated concrete track slab comprising two stringers extending along a longitudinal direction and, at each longitudinal end of the slab, a notch separating said stringers, so as to form an H-shaped track slab,
- a prefabricated support pad of at least this longitudinal end of the slab comprising a plate and a longitudinal central block projecting from said plate intended to extend into the indentation of this longitudinal end of said slab, once this slab is mounted on this pad, and delimiting on either side of said central block, at least two support bases for the two stringers of this longitudinal end of said slab, each base comprising at least one shim of predetermined thickness arranged on said plate and intended to support said rounded support of the sill of said slab facing this base, once this slab is mounted on said stud,
- the track section according to the invention consists exclusively of prefabricated parts (prefabricated concrete slab and prefabricated support pads), which makes it possible to control the quality of manufacture of the parts and to facilitate the installation of the track section on a track platform.
- prefabricated parts prefabricated concrete slab and prefabricated support pads
- the use of prefabricated parts associated with means for adjusting the geometry of the track makes it possible to satisfy all the layout configurations of the track (alignments, curves, connections, slopes, etc.).
- a section of track according to the invention makes it possible to adjust the precise geometry of the track at the time of its installation and after its installation on a platform without ballast.
- each rail carried by the blocks of each sill can be adjusted after installation.
- This rail height i.e. the distance from the top of the rail to the platform
- the track slab support studs also referred to as the track panel throughout the text.
- each support stud comprises a plate and a longitudinal central block projecting from the plate intended to extend into the notch of this longitudinal end, once this slab is mounted on this block.
- the slab (or panel) is carried by two support blocks arranged respectively at each of these two longitudinal ends.
- each stud defines at least two support bases for the two beams of this longitudinal end of the slab, each base comprising at least one wedge of predetermined thickness arranged on the plate and intended to support the rounded support. , which has a curved surface whose center of curvature is the top of the rail carried by the blocks of this sill.
- This particular structure of the block makes it possible to simply form, with a reduced number of parts, a system for adjusting the height and the slope of the track section.
- a section of track according to the invention does not require forming a slope directly on the earthwork of the track prior to the installation of the track. This slope can be formed after installation, by tilting the track slab, which facilitates track laying operations.
- This inclination results from a stack of shims on one of the bases of the pedestal to rotate the slab around a longitudinal axis.
- the rounded support in contact with the wedges having a curvature of center of curvature coinciding with the top of the rail, the vertical displacement of the sill which results from a stack of shims of predetermined thickness generates a pivoting of the slab around a longitudinal axis.
- the adjustment of the heights of the wedges also allows vertical and / or lateral adjustment of the slab.
- a section of track according to the invention therefore makes it possible, by adapting the height of the wedges and / or by stacking wedges of predetermined thickness on the bases of the plot, to define the height of the slab and its inclination.
- a section of track according to the invention further allows compensation for differential settlements of the track platform by individual adjustment of each stud.
- the track section adjustment functionality according to the invention also allows adjustment and correction of the track geometry during its life.
- the accuracy of the earthwork is also less critical than with prior art tracks due to the possibility of being able to subsequently refine the height of each sill relative to the platform and to make up for any earthwork faults.
- At least one stud comprises, on either side of the central block, two support bases for two beams separated by a transverse stiffening wall, so that this stud can support two longitudinal ends of two consecutive slabs.
- a block according to this variant makes the link between two consecutive slabs to form a railway track.
- the stud then comprises two pairs of bases (four bases in total), each pair of bases being configured to carry a longitudinal end of one of the two consecutive slabs.
- transverse stiffening wall acts as a stiffener for the stud in the transverse direction.
- said central block of at least one support stud - in particular of each support stud - comprises at least one longitudinal stop carried by a longitudinal wall of said central block so as to be able to block any longitudinal movement of the slab whose notch receives this longitudinal wall of the central block.
- the central block carries a longitudinal stop of the slab to prevent any longitudinal displacement of the slab relative to the support stud.
- This longitudinal stop is for example made of an elastomeric material.
- the central block preferably comprises a longitudinal stop on each of its two longitudinal walls in order to be able to block any longitudinal movement of each of the two tiles carried by this stud.
- said central block of at least one stud comprises at least one lateral stop mounted on a side wall of said central block so as to be able to block any lateral movement of the slab, the notch of which receives this side wall of the slab. central block.
- the central block carries a lateral stop of the slab to prevent any lateral displacement of the slab relative to the support stud.
- This lateral stop is for example made of an elastomeric material.
- the central block comprises two lateral stops mounted respectively on the two lateral walls of the central block in order to be able to block any lateral displacement (whatever the direction of displacement) of the slab relative to the stud.
- the central block preferably comprises two side stops for each of the two tiles (in other words, four side stops in all).
- said central block of at least one stud comprises at least one adjustable lateral stop so as to be able to define the lateral space which separates said central block from each slab carried by this stud.
- At least one lateral stop - preferably each lateral stop - is adjustable, that is to say it is possible to adjust the distance which separates the end of the lateral stop from the wall of the block. central.
- This adjustment can for example be obtained by threaded means formed of an internal thread formed in the side wall of the central block and of a stop which has a thread which matches the internal thread of the side wall. Screwing or unscrewing the stop in the tapping makes it possible to define the distance which separates the side wall from the central block of the slab.
- This adjustment of the side stops makes it possible to adjust the placement of the slab in relation to the stud.
- said bases of the wedges of at least one stud are inclined towards said central block to allow better stability of each slab carried by this stud.
- the bases of the wedges are inclined towards the central block so as to form a truncated V.
- the wedges are placed on the inclined branches of the V and receive the rounded supports carried by the lower faces of the slab beams. This improves the stability of the whole by concentrating efforts on the central block.
- said slab further comprises, at each longitudinal end, on either side of said notch, at least one threaded insert formed in said slab and emerging opposite said plate of the stud carrying this end of the slab, once the slab has been mounted on said stud, so as to allow vertical lifting of said slab relative to the stud by screwing a lifting screw into said insert which bears against said plate of said stud.
- the vertical lifting of the slab of the track section can be obtained by the use of a hydraulic cylinder such as a lifting jack or any equivalent means.
- said means of foundation of at least one stud in said track platform comprise at least one pile per sill support base.
- each stud in the platform by piles, preferably at least one pile per base.
- the stud comprises four bases to support two longitudinal ends of two successive slabs.
- piles can be of any type. They can be drilled, sunk or screwed into the platform depending on the nature of the soil and the lift to be obtained.
- the means of foundation of a block of a section of track according to the invention have a dual function of anchoring the block in the platform and of lift. of the ground under the plot.
- a section of track according to the invention can not only be anchored on a platform of a track without ballast by means of the foundation means of the studs in the platform, but it can also be installed on a base of a tunnel or a platform. deck of a bridge or a viaduct for example, in which case the studs are directly secured to the base of the tunnel or to the deck of the bridge or of the viaduct.
- the piles of each stud can be chosen differently to suit the nature of the soil where the stud is located.
- said rounded supports of said longitudinal beams of said slab are formed of elastomer.
- said shims of predetermined thickness arranged on said plate of said stud are made of steel.
- the invention also relates to a ballast-free track for a railway vehicle comprising a track platform and a plurality of track sections according to the invention successively fixed to said track platform.
- the invention also relates to a section of track and a track formed of a plurality of sections of track, characterized in combination by all or part of the characteristics mentioned above or below.
- FIG. 1 is a schematic perspective view of a section of track according to one embodiment of the invention.
- FIG. 2 is a detailed schematic view of a stud and a longitudinal end of a track slab of the track section of Figure 1.
- FIG. 3 is a schematic side perspective view of the block of FIG.
- FIG. 4 is a schematic side view of the block of FIG. 3 further comprising means for lifting the track slab.
- FIG. 5 is a schematic profile view of a section of track according to one embodiment of the invention.
- the terms longitudinal, transverse and vertical are used without limitation with reference to the trihedron L, T, V as shown in Figure 1.
- the longitudinal direction corresponds to the direction of the rails of the track section and defines the direction of movement. of a railway vehicle using this section of track.
- the vertical direction is the direction defined by the gravity of the place of installation of the track section.
- the transverse direction is the direction perpendicular to the longitudinal direction and to the vertical direction.
- FIG. 1 schematically illustrates a section of track according to an embodiment of the invention comprising a precast concrete track slab 20 (also designated by the term track panel) and two studs 30, 130 arranged at each of the longitudinal ends 20a, 20b of the track slab 20.
- Figure 1 also illustrates a portion of a second track slab 120, one longitudinal end of which rests on the stud 130, the other longitudinal end of this second slab 120 resting on another stud not shown in Figure 1.
- the precast concrete track slab 20 comprises two stringers 21, 22 which each extend along the longitudinal direction L.
- the slab 20 also has, at each of its longitudinal ends 20a, 20b, a notch 23, 24.
- the slab 20 has a general shape of H.
- Each sill 21, 22 also carries a plurality of transverse blocks 21a, 22a for retaining a longitudinal rail 21b, 22b.
- the blocks 21a, 22a are for example formed of concrete and sealed in the slab 20 of the track.
- the means for maintaining the rails 21b, 22b can be of any type and are not described here in detail.
- Each sill also comprises, at each of its longitudinal ends, and as shown in Figures 3 and 5, a rounded support 21c, 22c, for example made of elastomer, carried by a lower face of the sill.
- This rounded support 21c, 22c has a curvature whose center of curvature is the top of the rail 21b, 22b carried by this sill.
- the geometry of the rounded support 21c, 22c depends on the thickness of the slab, on the height of the blocks and on the height of the rails carried by the blocks so that once these various elements are assembled, the center of curvature of the rounded support 21c, 22c coincides with the top of the rail 21b, 22b.
- Each rounded support 21c, 22c rests on a stack of shims 33a, 34a, formed for example of steel.
- the height of the wedges or the number of wedges make it possible to adjust the height and the cant of the track section.
- the wedges 33a, 34a rest on bases 33, 34.
- These bases 33, 34 are formed on a plate 31 of the stud and separated from one another by a central block 32 longitudinal.
- the plate 31 has the general shape of a truncated V whose branches of the V form the bases inclined towards the longitudinal central block 32 which rises in the center of the truncated V.
- Each branch of the truncated V preferably extends parallel to the lower surface of the sill which bears the rounded support arranged opposite the base formed by this branch of the truncated V.
- the base 33 receives the stack of shims 33a on which the support 21c of the outrigger 21 comes to rest.
- the base 34 receives the stack of wedges 34a on which the support 22c of the sill 22 bears.
- each stud 30, 130 comprises, on either side of the central block 32, two support bases for two longitudinal beams separated by a transverse wall 37, 38, so that this stud 30 , 130 can support two longitudinal ends of two consecutive slabs.
- a stud according to the embodiment of the figures supports the two adjacent longitudinal ends of two consecutive track slabs.
- Each stud 30, 130 has, according to the embodiment of the figures, symmetry with respect to a transverse plane (except for the heights of the wedges which may be different on either side of the plane of symmetry insofar as the setting of the two consecutive track slabs may be different from one slab to another).
- the central block 32 of the stud 30 also comprises and as shown in particular in FIG. 2, two longitudinal walls 32a, 32b and two side walls 32c, 32d.
- Each longitudinal wall 32a, 32b further comprises a longitudinal stop 35a, 35b.
- Each longitudinal stop 35a, 35b is for example formed from an elastomer. It can for example be mounted to slide in a groove formed on the longitudinal wall 32a, 32b of the central block. These longitudinal stops make it possible to prevent any longitudinal displacement of the slab 20.
- each side wall 32c, 32d comprises two side stops 36a, 36b which extend in each notch of the slab 20.
- These side stops 36a, 36b are formed for example of elastomer and make it possible to prevent any lateral displacement of the slab. slab relative to stud 30.
- each side stop 36a, 36b is formed by a threaded rod configured to be able to be screwed into a mating thread formed in the side wall 32c, 32d of the central block so as to be able to define the distance which separates the central block 32 of the slab 20.
- the track section preferably comprises, at each longitudinal end 20a, 20b of the slab 20, 120 on either side of the notch 23, 24 formed at this end, a threaded insert 27a, 27b formed in the slab 20, 120 which opens out facing the plate 31 of the stud 30, 130.
- Each insert 27a, 27b is configured to be able to receive a lifting screw 28 which, once screwed, bears against the plate 31 of the stud 30, 130 which causes a vertical displacement of the slab 20 relative to the stud 30 anchored in the platform.
- the combination of the threaded insert 27a, 27b and the lifting screw 28 makes it possible to form vertical lifting means of the slab 20 relative to the stud 30. This makes it possible in particular to insert the wedges 33a. , 34a to adjust the orientation and position of the slab 20.
- Figure 5 schematically illustrates how a track section according to the invention can be adjusted.
- the invention makes it possible to modify the orientation of the slab, without destroying the track and without particular difficulties.
- the addition of a shim of thickness e on the shim 33a and the replacement of the shim 34a by a shim H2-e makes it possible to laterally move the slab 20 by a distance e to the left of FIG. 5
- the addition of a shim of thickness e on the shim 34a and the replacement of the shim 33a by a shim of thickness Hl-e makes it possible to move the slab 20 laterally by a distance e to the right of FIG. 5 .
- the addition of a shim of thickness e on the shim 34a, without modifying the shim 33a makes it possible to pivot the slab 20 with respect to a longitudinal axis to form a cant to the left of FIG. 5, the addition a shim of thickness e on the wedge 33a, without modifying the wedge 34a, allows the slab 20 to be pivoted with respect to a longitudinal axis to form a cant to the right of FIG. 5.
- a block of a section of track according to the invention makes it possible to easily adjust the orientation of the slab with a minimum of standardized parts.
- the invention allows, by the successive adjustment of the different pads supporting the different successive slabs of the track, the definition of the geometry of the track ( height and slope), after the installation of the various pedestals and the various slabs on the pedestals.
- each slab resting on two successive blocks it frees up a space between the platform and the slab, which allows rainwater to flow under the slabs if necessary and to insects and other amphibians living in the vicinity of the track to run under the track.
- a route according to the invention is therefore more respectful of the ecosystem than the routes of the prior art.
- a block of a track section according to the invention can form the support only of one longitudinal end of a track slab and not of two longitudinal ends of two successive slabs as illustrated in the figures.
- the installation of a track requires twice as many studs, for equivalent track, than the installation of the track, each stud of which supports the two longitudinal ends of two successive slabs.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Road Paving Structures (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Railway Tracks (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI202030148T SI3947815T1 (sl) | 2019-03-28 | 2020-03-16 | Del tira brez gramoza za tirno vozilo |
RS20230062A RS63934B1 (sr) | 2019-03-28 | 2020-03-16 | Deo koloseka bez zastora od tucanika za šinska vozila |
HRP20230102TT HRP20230102T1 (hr) | 2019-03-28 | 2020-03-16 | Dio kolosijeka bez balasta za željezničko vozilo |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1903225A FR3094381B1 (fr) | 2019-03-28 | 2019-03-28 | Section de voie sans ballast pour véhicule ferroviaire |
PCT/FR2020/050561 WO2020193911A2 (fr) | 2019-03-28 | 2020-03-16 | Section de voie sans ballast pour véhicule ferroviaire |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3947815A2 true EP3947815A2 (fr) | 2022-02-09 |
EP3947815B1 EP3947815B1 (fr) | 2022-11-09 |
Family
ID=67384031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20726215.5A Active EP3947815B1 (fr) | 2019-03-28 | 2020-03-16 | Section de voie sans ballast pour véhicule ferroviaire |
Country Status (17)
Country | Link |
---|---|
US (1) | US20220162806A1 (fr) |
EP (1) | EP3947815B1 (fr) |
AU (1) | AU2020245115B2 (fr) |
CA (1) | CA3132880C (fr) |
DK (1) | DK3947815T3 (fr) |
ES (1) | ES2936222T3 (fr) |
FI (1) | FI3947815T3 (fr) |
FR (1) | FR3094381B1 (fr) |
HR (1) | HRP20230102T1 (fr) |
HU (1) | HUE060991T2 (fr) |
LT (1) | LT3947815T (fr) |
MA (1) | MA55544B1 (fr) |
PL (1) | PL3947815T3 (fr) |
PT (1) | PT3947815T (fr) |
RS (1) | RS63934B1 (fr) |
SI (1) | SI3947815T1 (fr) |
WO (1) | WO2020193911A2 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115559156B (zh) * | 2022-12-06 | 2023-03-21 | 中国铁路设计集团有限公司 | 一种装配式轨道的楔形支撑结构及其安装方法 |
CN117966521B (zh) * | 2024-03-28 | 2024-06-04 | 高速铁路建造技术国家工程研究中心 | 一种可调装配式轨道结构 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0718438A1 (fr) * | 1994-12-22 | 1996-06-26 | Heilit & Woerner Bau-AG | Superstructure de voie ferrée comprenant une dalle porteuse continue et des dispositifs de fixation individuels pour les rails |
FR2938273B1 (fr) * | 2008-11-10 | 2010-12-24 | Alstom Transport Sa | Superstructure de voie fixe sans ballast et procede de construction |
US8544763B2 (en) * | 2010-03-15 | 2013-10-01 | Concrete Systems Inc. | Prefabricated plinth for supporting a railway track |
FR3036711B1 (fr) * | 2015-05-29 | 2017-06-23 | Systra | Section de voie de transport guide pour voie sans ballast et voie sans ballast formee d'une pluralite de telles sections |
WO2018145169A1 (fr) * | 2017-02-13 | 2018-08-16 | Mercury Rail Pty Ltd | Système de support de voie ferrée, ses composants et procédé de construction |
CN108914714B (zh) * | 2018-08-20 | 2021-01-15 | 中铁第四勘察设计院集团有限公司 | 一种装配式轨枕板式或轨道板式无砟轨道结构及装配方法 |
-
2019
- 2019-03-28 FR FR1903225A patent/FR3094381B1/fr active Active
-
2020
- 2020-03-16 ES ES20726215T patent/ES2936222T3/es active Active
- 2020-03-16 MA MA55544A patent/MA55544B1/fr unknown
- 2020-03-16 RS RS20230062A patent/RS63934B1/sr unknown
- 2020-03-16 HU HUE20726215A patent/HUE060991T2/hu unknown
- 2020-03-16 DK DK20726215.5T patent/DK3947815T3/da active
- 2020-03-16 EP EP20726215.5A patent/EP3947815B1/fr active Active
- 2020-03-16 PT PT207262155T patent/PT3947815T/pt unknown
- 2020-03-16 LT LTEPPCT/FR2020/050561T patent/LT3947815T/lt unknown
- 2020-03-16 US US17/599,536 patent/US20220162806A1/en active Pending
- 2020-03-16 AU AU2020245115A patent/AU2020245115B2/en active Active
- 2020-03-16 CA CA3132880A patent/CA3132880C/fr active Active
- 2020-03-16 FI FIEP20726215.5T patent/FI3947815T3/fi active
- 2020-03-16 SI SI202030148T patent/SI3947815T1/sl unknown
- 2020-03-16 PL PL20726215.5T patent/PL3947815T3/pl unknown
- 2020-03-16 WO PCT/FR2020/050561 patent/WO2020193911A2/fr unknown
- 2020-03-16 HR HRP20230102TT patent/HRP20230102T1/hr unknown
Also Published As
Publication number | Publication date |
---|---|
FR3094381A1 (fr) | 2020-10-02 |
WO2020193911A2 (fr) | 2020-10-01 |
LT3947815T (lt) | 2023-02-27 |
FR3094381B1 (fr) | 2021-03-12 |
RS63934B1 (sr) | 2023-02-28 |
CA3132880C (fr) | 2023-06-20 |
CA3132880A1 (fr) | 2020-10-01 |
HRP20230102T1 (hr) | 2023-03-17 |
AU2020245115B2 (en) | 2023-03-16 |
EP3947815B1 (fr) | 2022-11-09 |
AU2020245115A1 (en) | 2021-09-16 |
DK3947815T3 (da) | 2023-02-13 |
MA55544B1 (fr) | 2023-03-31 |
ES2936222T3 (es) | 2023-03-15 |
PT3947815T (pt) | 2023-02-02 |
US20220162806A1 (en) | 2022-05-26 |
WO2020193911A3 (fr) | 2020-11-19 |
FI3947815T3 (fi) | 2023-02-20 |
SI3947815T1 (sl) | 2023-04-28 |
MA55544A (fr) | 2022-05-11 |
HUE060991T2 (hu) | 2023-04-28 |
PL3947815T3 (pl) | 2023-05-08 |
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