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WO2021058652A1 - Procédé pour produire un corps de rail et corps de rail formé au moyen de ce procédé - Google Patents

Procédé pour produire un corps de rail et corps de rail formé au moyen de ce procédé Download PDF

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Publication number
WO2021058652A1
WO2021058652A1 PCT/EP2020/076736 EP2020076736W WO2021058652A1 WO 2021058652 A1 WO2021058652 A1 WO 2021058652A1 EP 2020076736 W EP2020076736 W EP 2020076736W WO 2021058652 A1 WO2021058652 A1 WO 2021058652A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
liquid
track
track body
track bed
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.)
Ceased
Application number
PCT/EP2020/076736
Other languages
German (de)
English (en)
Inventor
Jörg Frenzel
Murray Roeland
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.)
HYPERION VERWALTUNG GmbH
Original Assignee
HYPERION VERWALTUNG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HYPERION VERWALTUNG GmbH filed Critical HYPERION VERWALTUNG GmbH
Priority to EP20781461.7A priority Critical patent/EP4034708B1/fr
Publication of WO2021058652A1 publication Critical patent/WO2021058652A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/001—Track with ballast
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/03—Injecting, mixing or spraying additives into or onto ballast or underground

Definitions

  • the invention relates to a method for producing a track body, in particular a surface of a track body, as well as a track body which is obtainable in particular by this method.
  • the object of the invention was to provide a method for consolidating a track body.
  • the invention specifies a method for producing a track body and a track body according to the independent claims. Preferred embodiments are given in the dependent claims.
  • a track bed made of ballast is only superficially treated or coated with a liquid that can be hardened or thickened to a solid.
  • the liquid can be applied over an entire surface, in particular an upwardly facing surface, of a track bed or only over a part of it.
  • the liquid is preferably applied to an outer surface, in particular an upwardly facing surface, or to an outer side of the track bed, in particular on an upwardly facing outer side.
  • ballast stones that come into contact with the liquid are connected to one another.
  • the composite of hardened or thickened liquid and thus connected ballast stones is referred to according to the invention as a “layer”.
  • the ballast stones are connected by hardened or thickened liquid.
  • the layer there are preferably spaces between the ballast stones connected to one another.
  • the layer is preferably porous.
  • the layer is not or essentially non-porous. The gaps between ballast stones that are connected to one another are filled with the liquid, which then thickens or hardens.
  • connection can be gluing through the hardened or thickened liquid.
  • the connection takes place at least in the case of ballast stones on the surface of the track bed which is brought into contact with the liquid, preferably also in the case of ballast stones underneath, for example in the 2nd layer.
  • ballast stones of the track bed are connected to one another.
  • Ballast stones of the track bed located at least on the surface are connected to one another by the liquid hardened to a solid or by the thickened liquid, with some of the ballast stones of the track bed, in particular inside the track bed, remaining unconnected to one another.
  • ballast stones of the track bed which are arranged between a substrate on which the track bed rests and the layer formed, are not connected to one another by hardened or thickened liquid.
  • a surface dimensional stability of the track bed is achieved. Loose stones that are not bound into the layer are prevented from penetrating or destroying the layer.
  • An increase in the side shift resistance is not the focus of the present invention, or is usually not achieved in the case of thin layers formed.
  • the invention preferably does not relate to ballast gluing for static purposes, but deals exclusively and explicitly only with the surfaces and contact points outside of the load transfer, in particular outside a load transfer area of a sleeper directed downwards at a 45 ° angle, by means of applying the liquid to form the layer.
  • the layer is preferably formed only temporarily, for example it is UV degradable within a certain time, as will be described below.
  • the effect achieved is optimally integrated into a freely definable rhythm for permanent way maintenance and optimizes this process.
  • the layer according to the invention By forming the layer according to the invention, the following can be influenced differently or in combination: rail, threshold, fastening, ballast.
  • rail rail
  • threshold fastening
  • ballast ballast
  • the aim of integrating the ballast stones in a layer, whereby they are connected to one another, is that the applied material does not "flake off” again due to ballast stone movements, but rather remains firmly on the stone surfaces, depending on the desired adhesion period (depending on the UV setting).
  • Possible areas of application of the invention are, in addition to use in the area of a railroad track, also applications in the area of maintenance and storage areas, filling stations or loading areas, other train station areas and logistics areas, in particular in the area of track-guided traffic. However, a corresponding application is also possible in specially designated regions to be protected outside of the sections described above (water protection areas).
  • Liquid substances ie liquids other than the liquid from which the layer was formed
  • a liquid substance may or may not be incorporated into the layer.
  • the layer preferably has hydrophobic properties. Surface water, for example a liquid substance, is then not bound and flows away. Oils, fats, hydrocarbons, or Herbicides, as an example of a liquid substance, on the other hand, can adhere to the layer or penetrate into cavities if the layer has such, for example if the layer is a foam. A capillary action in a cavity can support the uptake of the liquid substance.
  • the upper surface layer i.e. ballast stones and the hardened or thickened liquid connecting them
  • the upper surface layer can be easily picked up by means of excavators or other devices suitable for ballast pick-up, ballast stones separated from the hardened or thickened liquid and the cured or thickened liquid decentralized decontaminated and / or disposed of. All that remains are the ballast stones that could be returned to rail traffic.
  • the invention specifies, in particular, a method for producing a track body, comprising:
  • a hardenable or thickenable liquid i.e. a liquid that can be increased in viscosity
  • a hardenable or thickenable liquid i.e. a liquid that can be increased in viscosity
  • Ballast stones are connected to one another in such areas or where the liquid is applied.
  • the layer is formed where the liquid is applied.
  • a track can be applied to the track bed, for example after previous steps, such as working through or creating a new one by working with a tamping machine, DGS, profiling, and only then is the liquid applied.
  • the method can thus include before the aforementioned method steps:
  • the curing takes place preferably through a chemical reaction of components contained in the liquid.
  • a thickening takes place preferably through a chemical reaction of components contained in the liquid, preferably through the action of air.
  • the liquid remains flowable, in particular flowable at 25 ° C., even more preferably flowable at 40 ° C., but has an increased viscosity.
  • the product When cured, the product is not flowable, in particular not flowable at 25 ° C, even more preferably not flowable at 40 ° C.
  • Gravel stones are present below the layer, which are not integrated into the layer. These can be stones that are only arranged inside, i.e. not on a surface of the track bed. It is also not possible for stones to be connected to one another, which are arranged on the side (facing to the side) surfaces of the track bed, also referred to as flanks, e.g. if the liquid is not applied to the surface of the flanks of the track bed, but only on one of them upward facing surface.
  • the penetration depth can be in the range of preferably 1-15 cm (means 1 to 15 cm), or 3-15 cm, more preferably 1-13 cm, or 3-13 cm, even more preferably 1-10 cm, or 3- 10 cm, most preferably 1-7 cm, 3-7 cm, 1-6 cm, 3-6 cm, 1-5 cm or 3-5 cm.
  • the penetration depth does not have to be identical over the entire layer or along the entire layer, but can vary.
  • the thickness of the layer can be as above-mentioned depth of penetration.
  • the thickness of the layer is preferably ⁇ 15 cm, more preferably ⁇ 13 cm, even more preferably ⁇ 10 cm, or ⁇ 7 cm, most preferably ⁇ 6 cm or ⁇ 5 cm.
  • the thickness of the layer is preferably in the range of 1-15 cm, or 3-15 cm, more preferably 1-13 cm, or 3-13 cm, even more preferably 1-10 cm, or 3-10 cm, most preferably 1 -7 cm, 3-7 cm, 1-6 cm, 3-6 cm, 1-5 cm or 3-5 cm.
  • the layer thickness can be measured as well as the above-mentioned penetration depth.
  • the thickness of the layer does not have to be identical over the entire layer or along the entire layer, but can vary.
  • the layer thickness is preferably measured from an upper edge of a ballast superstructure or of the track bed, assumed to be a straight line, vertically downwards.
  • the straight line is preferably a horizontal line which forms an upper boundary of the ballast superstructure or the track bed. This upper limit can be assumed to be the limit through which no more ballast stone protrudes upwards.
  • the thickness of the layer is stated in percent
  • the lower limit can be assumed for all of these upper limits: 3%, 5%, 8% or 10% of the height of the track bed.
  • the height of the track bed can be, for example, 30 cm or 40 cm.
  • the thickness of the layer is such that a first, external layer, in particular located on an upper side of the track bed, ballast stones, is connected to one another in the layer or is incorporated into the layer.
  • ballast stones are gravel stones that are located in an area where the liquid is / was applied.
  • Ballast stones that are located below the first layer are preferably not, or predominantly not, connected to one another in the layer or incorporated into the layer.
  • ballast stones located below the first layer is preferably connected to one another in the layer or incorporated into the layer.
  • These are gravel stones that are located in an area where the liquid is / was applied.
  • Ballast stones that are located below the second layer are preferably not, or predominantly not, connected to one another in the layer or incorporated into the layer.
  • ballast stones located below the second layer, is connected to one another in the layer or incorporated into the layer.
  • Ballast stones that are located below the third layer are preferably not, or predominantly not, connected to one another in the layer or incorporated into the layer.
  • the liquid can be applied to part of an upwardly facing surface of the track bed or to an entire upwardly facing surface.
  • the surface pointing upwards is preferably the freely accessible surface which is not covered by thresholds.
  • the liquid can be applied to one or more side-facing surfaces of the track bed, for example on one or more flanks.
  • the layer thickness does not have to be identical over the entire layer, but can vary.
  • Ballast stones, which are incorporated into the layer are preferably completely or essentially completely covered by the applied liquid.
  • Ballast stones, which are incorporated into the layer are preferably completely or essentially completely covered by the hardened or thickened liquid.
  • the liquid is preferably a reactive mixture which is curable.
  • the degree of hardness can vary, so that the stone can still move slightly when force is applied, without it stepping out of your position or damaging the layer. This allows dynamic effects to be compensated without the connection between gravel stones “breaking” immediately.
  • the liquid is preferably applied from above. It can be applied, for example, by pouring, spraying, atomizing or atomizing.
  • the liquid can be applied with or without pressure.
  • the liquid can be foamed when it is applied. During the hardening or thickening process, the foaming of the liquid may disappear or substantially disappear. After hardening or thickening, the foaming of the liquid may have disappeared or substantially disappeared. In other words, cavities formed in the liquid can then have disappeared or essentially disappeared. In other words, after curing or thickening, the liquid can be defoamed or substantially defoamed. For this purpose, the liquid can have a defoamer.
  • ballast stones are connected by the defoamed and hardened or thickened liquid.
  • the application of a foamed or swollen, but preferably not permanently foamed or swollen liquid has the advantage that the liquid in the swollen or foamed state first completely or largely completely surrounds the stones, then collapses and then falls around the stone. and dries up. So an improved application on the stone is given and the greatest possible contact with, on and between the gravel stones is achieved.
  • the gravel surface can be sprayed from a large number of openings in order to achieve a foam carpet that penetrates evenly into the gravel bed.
  • a (partial) layer can be formed in the lower part of the layer formed according to the invention, e.g. by clumping or sagging and collapsing of the foam.
  • this (partial) layer also known as the barrier layer
  • the spaces between the ballast stones are filled, which can happen when a sufficient amount of foamed liquid falls and collapses.
  • the foaming of the liquid may have disappeared or essentially disappeared, so that gaps between the ballast stones are formed (or formed again) which are not filled with foam.
  • a staggered reaction is possible - first in the lower area, then in the upper area, i.e. first from bottom to top and then from top to bottom. In this way, the greatest possible accumulation of the material in the lower barrier layer can be generated.
  • a layer is thus formed which in turn has at least the following two layers: a lower layer (or partial layer), also referred to as a barrier layer, in which gaps between ballast stones are filled, an upper layer (or partial layer), also referred to as a permeable layer in which the liquid is / is defoamed, so that gaps between the ballast stones are formed (or formed again). These spaces are not filled with foamed liquid or foam.
  • the liquid can be a melt that hardens after application, for example a molten thermoplastic urethane (TPU).
  • TPU thermoplastic urethane
  • the liquid can be poured over the crushed stone, trickle down, and then cool and solidify. For recycling, heating the ballast stones can melt the coating that could be caught when it drips off.
  • the liquid has a dye and the preferably matt layer formed from the hardened or thickened liquid is colored by the dye, preferably also colored matt.
  • Elastic elements of the track are significantly influenced in their frequency-dependent dynamic stiffness by the intrinsic temperatures.
  • a ballast bed colored white can also serve to cool rails that are comparatively more heated by a comparatively lower temperature achieved under the influence of sunlight or to dissipate heat from them and also to radiate less to them.
  • the dye preferably has a color which is selected from white, gray or beige, as a result of which light absorption and heating of the track bed is reduced.
  • the simultaneous gluing of the stones through the layer prevents this color from being removed prematurely again due to abrasion, in particular due to the movement of ballast with one another and against each other, or areas that are no longer covered with color, although color was previously applied there.
  • a matt coloration mentioned has the advantage that undesired reflections are reduced. It can also be achieved that, if necessary, other colors adhere better to the matt surface.
  • ballast stones in the layer By connecting the ballast stones in the layer, in particular by gluing, it can be ensured that even at high speeds (up to 400 km / h) there is no twisting and thus a change in the colored surface of the layer.
  • a preferred dye is a disperse dye.
  • a pattern can be applied to a, preferably colored, layer.
  • a layer or such a pattern enables the track position to be easily checked visually. Interruptions, misalignments or other line changes in the colored area or in the pattern can easily be recognized visually, by a train driver or artificial vision, for example, whether there has been a change in the ballast surface that may require a maintenance process, inspection process, maintenance or repair. This early detection can be useful, especially in the case of extremely high train density, without an additional inspection and / or measuring run having to be carried out.
  • the colored layer also enables easier, rail-free visual documentation, for example by means of drones (UAV). At the same time, an area designed in this way can provide additional directional orientation for movables.
  • markings can also be used to illustrate escape routes and, if necessary, also for train train signaling as a supplement to existing signaling, for example if there should be signal disruptions or failures.
  • ballast stones in the layer By connecting the ballast stones in the layer, in particular by gluing, it can be ensured that even at high speeds (up to 400 km / h) there is no twisting and thus a change in an applied pattern.
  • the structure formed by the hardening or thickening of the liquid is UV-degradable, so that in the case of an uncovered arrangement of the track in the open air, after a period of no more than 8, 6 or 4 years after the formation of the layer, the structure is decomposed to the extent that that ballast stones previously integrated into the layer can be removed manually from the track bed.
  • the structure formed by the hardening or thickening of the liquid is UV-degradable, in such a way that with an uncovered arrangement of the track in the open air within a defined period of time, which can be based on the regular tamping interval period (maintenance cycles), at the latest after 8, 6 , or 4 Years after the formation of the layer, the layer has decomposed to such an extent that ballast stones previously bound into the layer or previously interconnected by hardened or thickened liquid can be removed from the track bed, preferably released manually, even more preferably released without mechanical Tools must be used to destroy the layer or the ballast stones (for recycling purposes) would have to be treated differently.
  • Outdoors preferably means a location without shade, ie with unhindered sunlight, preferably in a region of 40 ° to 55 ° north latitude and 10 ° west to 10 ° east longitude.
  • loosened ballast stones can be worked into deeper layers (preferably without adhesions). This optimizes the subsequent reapplication process. This means that only the upper surface layer is affected, which results in easier (single-origin) bedding cleaning.
  • UV degradability can be achieved in that UV protection agents are either not added or only added to such an extent that the described degradability is achieved. It is also possible to choose the chemical composition of the liquid so that a UV-sensitive layer is formed. UV-sensitive means in particular that chemical bonds in the layer are broken by UV light. By adding UV protection agents in a suitable amount, the degradability can be set to the above value, provided that the degradability is faster than desired without such protection agents.
  • UV Degradability by UV is advantageous because it simplifies the exchange and disposal of ballast stones and prevents additional fine dust formation.
  • the liquid is preferably designed in such a way that, prior to decomposition by UV, punctual forces, for example in the form of tampons or scraping chains, a bond between the stones can be mechanically separated again, so that the structure can be broken up again at any time before decomposition by UV and repair Maintenance work can take place.
  • the liquid can preferably also be hardened or thickened in the presence of moisture, preferably also when applied to a wet surface, in particular wet ballast stone or a wet rail.
  • the liquid can also have a fire protection agent. Such a fire protection agent is accordingly also present in the layer.
  • the surface structure of the ballast stones and the material properties of the liquid are preferably chosen so that after the ballast stones have been removed, a hardened liquid or thickened liquid can be removed again abrasively (by means of a rotary container / drum method) or chemically.
  • the liquid can be hardened to form a plastic, synthetic resin or silicate.
  • the resin can be epoxy resin.
  • the plastic can be a polyurethane.
  • the liquid itself can be a plastic or a plastic pre-product, or a synthetic resin or synthetic resin pre-product, or a silicate or a silicate pre-product.
  • a plastic is preferably a polyurethane.
  • Another liquid that is foamed during hardening or thickening is a cellulose-based or cellulose-containing liquid that can be foamed to form a cellulose foam.
  • the liquid is not foamed during hardening or thickening, in particular not foamed by gas introduced or generated during hardening (e.g. a hardening reaction) or thickening.
  • the ambient air is not considered to be introduced gas, parts of which may be enclosed in the layer during the layer formation.
  • there are no pores obtained by foaming in the solid or the thickened liquid resulting from the curing or thickening in particular no pores obtained from gas introduced or formed during curing or thickening.
  • the liquid is foamed on its surface during the hardening or thickening process. This can be achieved by first applying a first liquid, which cannot be foamed, and then, after thickening or at least partially hardening the first liquid, applying a second liquid which foams when it is thickened or hardened.
  • the shift is over composed of two components.
  • Superficial foaming means that the layer is not foamed throughout, especially not foamed in the inner areas. This creates a structure in the gravel surface that also helps to reduce emissions.
  • the track body has sleepers, and the liquid is applied in such a way that the liquid is applied to the track bed exposed between the sleepers and no liquid is applied to a predominant part of the surface or the entire surface of the sleepers.
  • the surface of the sleepers is meant the upward facing surface of the sleepers.
  • liquid is essentially only applied in the spaces between the sleepers to the ballast stones exposed there and in their spaces.
  • the track body has sleepers, and the liquid is applied in such a way that the liquid is also applied to the entire surface of the sleepers.
  • a protective structure can be applied. This is advantageous for wooden sleepers that are no longer allowed to be soaked with tar oils or that are exposed to termites (e.g. in Australia), or concrete sleepers that have the first cracks and thus continue to be affected by the weather (frost, dew, sun, ...) - are subject to premature expiry.
  • the liquid can be designed in such a way that it is hydrophobic or the thickened or hardened liquid is hydrophobic.
  • the track body has rails and the liquid is applied in such a way that the liquid is applied to inside flanks, and preferably also to the rail foot.
  • heating by splints can be counteracted, in particular when the above-mentioned dye is present.
  • liquid can also be applied to the outside flanks of the rails, with a similar effect.
  • the liquid is applied in such a way that the liquid is also applied to the rail fastenings. This can be done especially in In the event of a colored liquid, enable visual or visual inspection to determine whether the rail fastenings are in working order.
  • no or only minimal liquid is applied to a running surface of the rails.
  • liquid is only applied up to the upper edge of the lower half of the rail head height. This prevents the liquid or layer formed or any paint present therein from adhering to wheel tires and does not change the adhesion between the vehicle and the rail track.
  • the liquid can be applied with a spray bar, a spray frame, a spray gun, or spray lance, manually, mechanically or automatically.
  • a spray bar e.g. with a high performance polyurea coating
  • spray lance e.g. with a high performance polyurea coating
  • the invention also specifies a track body which can be obtained or obtained by an above-mentioned method. Features objectively described in the method can be present on the track body individually or in combination. Without limiting this, special embodiments of the track body are explicitly specified below.
  • a track structure can also contain points and crossings and lead through level crossings.
  • a track body in which ballast stones located on a surface of a track bed are incorporated into a layer which penetrates the surface of the track bed or which is formed superficially, or only superficially, in the track bed.
  • the layer is colored by a dye, preferably colored white, gray or beige.
  • the track body can have: rails, sleepers, a track bed made of gravel, fastenings for the rails on the sleepers.
  • the thickness of the layer is ⁇ 15 cm.
  • the thickness of the layer is 1-10 cm.
  • the thickness of the layer is 1-7 cm.
  • the layer is UV-degradable, so that if the track body is not roofed outdoors, after a period of no more than 6 years after the layer has been formed, the layer is decomposed to such an extent that ballast stones previously integrated into the layer are broken down can be released manually from the track bed.
  • the track body has sleepers, and the layer is applied in such a way that the layer is applied to the track bed exposed between the sleepers and that no hardened or thickened liquid is present on a major part of the surface or the entire surface of the sleepers , from which the layer is formed together with the ballast stones, applied or is present there.
  • the track body has rails, and hardened or thickened liquid, from which the layer is formed together with the ballast stones, is also applied to the inside flanks of the rails, the liquid preferably having a dye which is preferably selected made of white, gray or beige.
  • the inside flanks of the rails thus have hardened or thickened liquid. This can be designed in the form of a film which completely or partially covers the surface of the inside flanks of the rails.
  • FIG. 1 shows a cross section through a track body with a spray bar attached.
  • a ballast superstructure is created in accordance with the regulations so that it is in its final target position, after tamping and profiling, if necessary.
  • a ballast leveler can be used in combination with a track tamping machine. The tamping machine compacts the ballast, while the leveling machine follows and creates the bedding cross-section.
  • the liquid which can be hardened to form a polyurethane resin, is applied to the track bed in the sleeper intermediate compartments and on the inside and outside of the rail flanks, the rail base and rail head by means of a spray bar or a movable robot arm.
  • the track body 1 which has the track bed 2, which is composed of ballast stones 3.
  • the rails 4 are arranged on the track bed 2.
  • the spray bar 5 is guided on the rails 4 by means of rollers / flange 6 and moved in the direction of the rails. Positioning by placing it on the rail head results in automatic height corrections, for example through different rail web heights.
  • curable or thickenable liquid 9 is sprayed onto the surface of the track bed 2 or onto the ballast stones 3 located on the surface, the inside flanks 10 of the rails 4 and the outside flanks 11 of the rails 4, the rail foot and the rail head and the rail fastenings.
  • the liquid 9 penetrates the surface of the track bed 2 and forms there, together with the ballast stones 3, which are wetted with the liquid, the layer 13 after thickening or hardening. Ballast stones 3 in the layer 13 are connected to one another by hardened or thickened liquid.
  • the liquid acts as a kind of glue. In the layer 13, the spaces between ballast stones 3, which are located in the layer, are not completely filled, which is not shown in the drawing.
  • the layer 13 does not penetrate the entire track bed 2.
  • the penetration depth is up to 15 cm, measured from an upper edge 12 of the track bed 2 vertically downwards.
  • the layer thickness is not as constant as it is shown here in the schematic drawing.
  • liquid is applied to the inside flanks 10 and the outside flanks 11 of the rails 4. Furthermore, liquid can be applied to the sleepers and the fastening means, not shown here.
  • the place of application can vary depending on the arrangement of the nozzles. For example, it can be provided to provide only the nozzles 7 which apply liquid downward in the area between the rails 4. In a first expansion, the nozzles 8, which apply liquid 9 to the inside flanks 10, can also be added. In a further extension, nozzles 7 and / or 8 can be added which apply liquid 9 on the outside of the rails 4 to the track bed 2 (i.e. transversely seen from the rails 4 in the outer direction) and / or apply liquid 9 to the outside flanks 11 of the rails 4. In yet another expansion, it can be provided that liquid 9 is also applied to the flanks 14 of the track bed 2 and penetrates there, for which the spray bar 5 would have to be expanded accordingly.
  • optical sensors e.g. color sensors or cameras, provided on the spray bar 5 or a device in which the spray bar 5 is integrated, and not shown here, it is possible to detect a surface of a threshold in good time and the spraying through the nozzles 7 in good time to interrupt or after being driven over the threshold to continue spraying or to allow an additional spraying of the rail fastening or the spraying of a pattern.
  • the optical sensors detect whether the spray bar 5 of the spray bar apparatus is located above or next to the threshold and the supply of liquid can thus be interrupted at certain points or additionally carried out, for example within switches
  • the process can be automated through detection with optical sensors.
  • information can be transmitted to a device in which the spray bar 5 is integrated, from which the objects to be sprayed and not to be sprayed can be identified and how they can be differentiated from one another.
  • the objects to be recognized are always the same.
  • a color sensor preferably working with pulsed white light, can be used for detection.
  • Pulsed white light offers numerous advantages for the reliable recognition of colors. By recognizing shadows and shapes (light-dark / and structure-smooth), color sensors, pulsed white light, can be used to determine at which point on the track the spray unit is located.
  • the white light is homogeneous.
  • the sensor therefore recognizes the programmed colors and structures safely and reliably, regardless of the approach direction of the colored surfaces.
  • the color sensor also reliably detects moving and vibrating objects. This significantly increases process reliability.
  • the sensor can be easily and easily adjusted to the color areas to be recognized with a visible light spot, e.g. 4 mm in diameter.
  • the pulsed white light is largely insensitive to external light. The light source and the electronics required take up little space.
  • the nozzles can be switched on or off at appropriately adapted time intervals in order to prevent or reduce spraying of the threshold surface.
  • the application can be carried out at standardized threshold distances as follows: In the middle of the threshold (or on the outer sides of the threshold in the case of bi-block thresholds) next to the spray bar 5, an impeller (not shown) can be provided, which starts the spraying process when it hits the threshold surface can be temporarily suspended at the level of the following threshold. Nevertheless, the spraying of the inside flank 10 and outside flank 11 is not interrupted at this moment. A separate supply line is provided for this. A fixed division of the spraying processes is also possible due to the standardized threshold distances.
  • the "clock generator” is a distance meter that interrupts the supply of liquid in a predetermined rhythm.
  • FIG. 2 shows the time sequence of the method according to the invention, the method or the time sequence having already been explained in terms of apparatus with reference to FIG. 1.
  • the steps are:
  • Step S1 applying a hardenable or thickenable liquid to a track bed made of ballast stones.
  • Step S2 hardening or thickening of the liquid, as a result of which a layer is formed which penetrates the surface of the track bed.

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  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Railway Tracks (AREA)

Abstract

L'invention concerne un procédé pour produire un corps de rail (1), comprenant les étapes consistant à : appliquer un liquide (9) durcissable ou épaississable sur le ballaste (2), formé de pierres (3), du corps de rail (1), le liquide (9) étant appliqué en surface sur le ballaste (2) ; durcir ou épaissir le liquide (9), ce qui permet la formation d'une couche (13) qui pénètre en surface dans le ballaste (2), les pierres (3) qui se trouvent à la surface du ballaste (2) se trouvant liées à la couche (13). L'invention concerne par ailleurs un corps de rail formé au moyen de ce procédé.
PCT/EP2020/076736 2019-09-24 2020-09-24 Procédé pour produire un corps de rail et corps de rail formé au moyen de ce procédé Ceased WO2021058652A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20781461.7A EP4034708B1 (fr) 2019-09-24 2020-09-24 Procédé de fabrication du corps de voie ferrée et corps de voie ferrée formé par ce procédé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019214562.0A DE102019214562A1 (de) 2019-09-24 2019-09-24 Verfahren zur Herstellung eines Gleiskörpers
DE102019214562.0 2019-09-24

Publications (1)

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WO2021058652A1 true WO2021058652A1 (fr) 2021-04-01

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PCT/EP2020/076736 Ceased WO2021058652A1 (fr) 2019-09-24 2020-09-24 Procédé pour produire un corps de rail et corps de rail formé au moyen de ce procédé

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Country Link
EP (1) EP4034708B1 (fr)
DE (1) DE102019214562A1 (fr)
WO (1) WO2021058652A1 (fr)

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WO2023061847A1 (fr) * 2021-10-12 2023-04-20 Hyperion Verwaltung Gmbh Procédé et dispositif pour le recyclage de composites polyuréthane/pierre concassée

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WO1991008056A1 (fr) * 1989-12-02 1991-06-13 Koch Marmorit Gmbh Procede et dispositif d'application de resines a composants multiples et leurs utilisations
DE19651755A1 (de) * 1996-12-12 1998-06-18 Claus Dieter Ihle Verfahren zur Oberflächenstabilisierung von Schotterbetten und anderen Schüttgütern im Bahn-, Straßen- und Wegebau
WO2009068169A1 (fr) * 2007-11-27 2009-06-04 Hennecke Gmbh Procédé de consolidation d'un lit de ballast et dispositif de mise en oeuvre de ce procédé
DE102012004720A1 (de) * 2012-03-07 2013-09-12 Frank Petrick Verfahren und Vorrichtung zum Verfestigen von lockeren Bodenmaterialien
WO2018010860A1 (fr) * 2016-04-19 2018-01-18 Huerlimann Bautenschutz Ag Dispositif de distribution d'adhésifs à plusieurs composants sur un mélange granulaire, ainsi que procédé de distribution et utilisation du dispositif

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DE2448978A1 (de) 1974-01-17 1975-07-24 Plasser Bahnbaumasch Franz Verfahren und vorrichtung zum verkleben des schotters einer gleisbettung
WO1991008056A1 (fr) * 1989-12-02 1991-06-13 Koch Marmorit Gmbh Procede et dispositif d'application de resines a composants multiples et leurs utilisations
DE19651755A1 (de) * 1996-12-12 1998-06-18 Claus Dieter Ihle Verfahren zur Oberflächenstabilisierung von Schotterbetten und anderen Schüttgütern im Bahn-, Straßen- und Wegebau
WO2009068169A1 (fr) * 2007-11-27 2009-06-04 Hennecke Gmbh Procédé de consolidation d'un lit de ballast et dispositif de mise en oeuvre de ce procédé
DE102012004720A1 (de) * 2012-03-07 2013-09-12 Frank Petrick Verfahren und Vorrichtung zum Verfestigen von lockeren Bodenmaterialien
WO2018010860A1 (fr) * 2016-04-19 2018-01-18 Huerlimann Bautenschutz Ag Dispositif de distribution d'adhésifs à plusieurs composants sur un mélange granulaire, ainsi que procédé de distribution et utilisation du dispositif

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023061847A1 (fr) * 2021-10-12 2023-04-20 Hyperion Verwaltung Gmbh Procédé et dispositif pour le recyclage de composites polyuréthane/pierre concassée

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EP4034708A1 (fr) 2022-08-03
EP4034708C0 (fr) 2024-01-03
EP4034708B1 (fr) 2024-01-03
DE102019214562A1 (de) 2021-03-25

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