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EP1619305B1 - Assiette de voie partiellement injectée avec une mousse et procédé pour l'exécution de l'assiette - Google Patents

Assiette de voie partiellement injectée avec une mousse et procédé pour l'exécution de l'assiette Download PDF

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Publication number
EP1619305B1
EP1619305B1 EP05106393A EP05106393A EP1619305B1 EP 1619305 B1 EP1619305 B1 EP 1619305B1 EP 05106393 A EP05106393 A EP 05106393A EP 05106393 A EP05106393 A EP 05106393A EP 1619305 B1 EP1619305 B1 EP 1619305B1
Authority
EP
European Patent Office
Prior art keywords
ballast
track
sleepers
foam
stones
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.)
Expired - Lifetime
Application number
EP05106393A
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German (de)
English (en)
Other versions
EP1619305A3 (fr
EP1619305A2 (fr
EP1619305A8 (fr
Inventor
Tim Frenzel
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.)
MSB Management GmbH
Original Assignee
MSB Management 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
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Application filed by MSB Management GmbH filed Critical MSB Management GmbH
Priority to EP05106393A priority Critical patent/EP1619305B1/fr
Priority to PL05106393T priority patent/PL1619305T3/pl
Publication of EP1619305A2 publication Critical patent/EP1619305A2/fr
Publication of EP1619305A8 publication Critical patent/EP1619305A8/fr
Publication of EP1619305A3 publication Critical patent/EP1619305A3/fr
Application granted granted Critical
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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
    • E01B1/008—Drainage of track
    • 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
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • E01B27/18—Sleeper-tamping machines by introducing additional fresh material under the sleepers, e.g. by the measured-shovel method, by the blowing method
    • 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 track superstructure for a rail on a substrate according to the preamble of claim 1 and to a method for producing such a track superstructure.
  • the construction of the gravel track is from the theoretical view a complicated, complex realization. It is complicated because the ballast mass, which is not in a rigid, firm structure, changes with dynamic influence.
  • the gravel is compacted with so-called tamping machines after the track grid has been mounted on a ballast bed that is at least 30 cm thick. Now the track grid is resting on the ballast bed and transfers the loads from the track run over the rails to the sleepers and from there to the ballast. The loads are then in the gravel body - idealized - distributed from gravel stone to ballast down to the underlying Planum down and discharged into the ground.
  • the railways now operate in freight transport with an axle load of 22.5 t.
  • the thresholds transfer this load on its underside to an average of about 330 gravel stone tips and from there down from stone to stone. Thus, only about 12% of the threshold floor area is used as a footprint. These values apply to both horizontal and vertical load transfers.
  • the cavity in the ballast tower is about 40%, which means that there is enough space to allow twisting or shifting of the individual ballast stones under dynamic loading.
  • the invention provides that substantially only the cavities between the ballast stones within the load transfer areas of the ballast body for fixing the position of the ballast stones in these areas with a foam material, in particular a PU foam material, are filled and that between the ballast body and the ground an elastic Drainage layer is arranged.
  • ballast body provided only in parts with a foamable material, within these areas however, the voids between the ballast stones are substantially completely filled by this foamable material, but it is ensured that the track body morphology remains unchanged by the foaming from the state of the ballast body before the introduction of the foamable material.
  • These areas of the ballast body are the load transfer areas below the sleepers, these load removal areas extending obliquely outwardly from the sleepers and below the sleepers.
  • the cavities between the ballast stones remain free within the zones of the ballast body located between the load transfer areas, so that surface water which impinges on the ballast body can flow downwards or within these zones laterally. Surface water reaching the gravel body can also penetrate the gravel body horizontally.
  • ballast body As a result of the partial expansion of the ballast body according to the invention, it is precisely the ballast stones that are most "stressed" during crossings over the track that remain stable in position. So they keep their after the stuffing process and after the (artificially) generated Clearisher the track superstructure permanently on, and that essentially over the entire service life of the track superstructure. A replenishment, as is the case today with track ballast bodies, is thereby unnecessary.
  • Foam which can be used in the context of the invention is a hard foam or a semi-rigid foam, ie a foam which sets up a not inconsiderable resistance to deformation.
  • the foam must have sufficient compressive strength.
  • the foam can be adjusted in terms of pressure resistance, reaction times, reaction components, pot life.
  • Suitable foam materials include polyurithane (PU), polyester (PES), polystyrene (PS) or polyvinyl chloride (PVC) foams.
  • the foam can be closed or open-celled. Open-cell Foams have the advantage that they are acoustically effective, which is advantageous for use in track superstructure.
  • the foam should be elastic, long term stable, rot proof, fire resistant, resistant to pests and resistant to chemicals.
  • an elastic drainage layer To create a drainage possibility below the track superstructure of the ballast body is arranged on an elastic drainage layer.
  • drainage drainage mats As offered for example by Rehau AG.
  • Advantageous are porous rubber mats or mats made of a different elastomer material.
  • elastomer granules are suitable, the particles of which are connected to one another while leaving free spaces horizontally and vertically through the mat extending cavities.
  • particles of tire material are suitable for producing such elastic drainage mats.
  • the elastic elastomer drainage mat can take high weights and contact forces, is long-term stable and rot-proof and has the other above properties, which preferably apply to the foam.
  • Drainage mats could not be used under ballast bodies, because they do not withstand the stresses that occur over time caused by several stuffing processes. According to the invention, however, only a single stuffing process, namely in the construction of the track superstructure, is required. In this respect, a merit of the invention is also to be seen in the fact that it has been able to provide as a result of preventing subsequent Nachstopfvor Cyprus a drainage material under the track superstructure. Through the drainage, there is a controlled and directed removal of water, which effectively prevents rinsing of the substrate (subplan). Furthermore, the material of the drainage mat, as described above, contributes to its long-term stability and thus maintains its (horizontal) porosity even under high pressure loads.
  • ballast stones within the load transfer areas, it is expedient to provide the sleepers on their undersides with an elastic material, in particular made of plastic (so-called threshold soling).
  • an elastic material in particular made of plastic
  • threshold soling Such soles are suitable for example in EP-A-1 298 252 to find.
  • the ballast stones resting on the threshold penetrate into the elastic material of the sleeper reinforcement, which leads to a fixation by a kind of "entanglement".
  • ballast body has been heated before the introduction of the foamable material or has an elevated temperature, which may be given depending on the ambient conditions without heating by an additional heat source.
  • sleepers with a padding of an elastic material, in particular plastic material, are embedded in the ballast body.
  • ballast track - the twisting of the rock under dynamic load - is thus prevented according to the invention that after completion of the new or renewed track this is foamed with a foam material in the ballast body only in the load transfer zones.
  • the foam used is preferably a PU foam.
  • PU foams have been known in industry and construction for decades. The adaptation to the respective application task is problem-free. The use in wet weather does not hurt, but promotes.
  • ballast stones of the track within the load transfer areas are connected by the introduced foam together to form a holistic gravel structure.
  • the adhesion of the foam to the ballast stone and the structure density of the foam can be adjusted to the order of magnitude of the maximum load entry plus a safety factor.
  • the present invention does not assume that the loads are transferred or removed from the train operation via the foam.
  • the built-in foam stabilizes the ballast structure and prevents the escape of the ballast core from the compacted ballast produced by the tamping machine.
  • the demonstrably stable gravel track is preserved in its production form for a very long time in its acceptance quality.
  • the durability of the (e.g., PU) foam or its composition plays a major role.
  • PU foam also improves the dynamic characteristics which enhance such properties as the degree of damping and the rate of stress waves (e.g., compression wave, shear wave and surface wave).
  • PU foam is preferably used in the correct spatial position and to the correct depth to ensure that the improvements in technical performance are achieved.
  • PU foam is preferably chemically built to ensure that its desired properties for the particular application, taking into account stiffness, strength, viscosity, fatigue limits, acoustic damping, temperature range, biochemical and hydroscopic properties, hardening time and lifespan are correct.
  • foams on the market which tolerate a temperature range of -30 ° to + 80 ° C, are steam and water resistant, do not shrink or press and are resistant to feces (this is not negligible, since still many passenger rail cars have open toilet systems and thus emptying feces on the ballast).
  • additional materials for the PU foam can be used to further extend the chemical properties. There are enough ready-mixed foams with corresponding properties to be selected according to the given situation.
  • the invention provides a stabilized ballast superstructure in a railway track produced by this method.
  • PU foam can be used to increase the vertical and / or longitudinal stability of the substructure (e.g., stiffness and strength).
  • the system shall be carefully inspected to ensure that the stresses and forces remain dynamic, oscillating or static within the fatigue or stress limits of the PU foam reinforced superstructure with a given safety factor taking into account the desired life cycles.
  • the addition of a PU foam positively alters the static and dynamic behavior of the particulate superstructure and thus also the overall and partial behavior of the substructure.
  • composition of the foam is selected based on the stiffness and strength properties required by the composite.
  • tensile and shear strength properties of the foam are determined as part of the design process.
  • the foam properties are designed to ensure that an effective cushion-like foundation of stabilized ballast is built over the weak area. If the rigidity is high enough, a more even load distribution at the point of contact with the sheet body occurs.
  • foam properties are selected to more effectively distribute the large vertical forces under the turnout while still maintaining good composite damping properties.
  • a raising of the threshold by the introduction of the foam is largely excluded.
  • holes 20 may be provided in the thresholds 11 at various points in the production so that the intumescent material can be injected directly into the underlying gravel and stabilize it completely.
  • the track consists of foamed gravel and unfused gravel.
  • the foamed area is always below the threshold and in the load-bearing areas. This creates a conical foamed structure in the vicinity of the threshold.
  • Double-track route on straight stretches or in bends with the necessary track sub-elevations are created by the selected economical foaming of the gravel body areas in which the accumulated rainwater can not be dissipated in the usual way as in a completely open ballast body.
  • the track superstructure according to the invention is in a first embodiment in the FIGS. 1 to 3 shown.
  • the track superstructure is located on a subgrade 12, which is inclined as usual and may have a protective layer of asphalt or gravel.
  • a drainage mat 14 On the substrate 12 (Planum) is a drainage mat 14, on which a ballast body 16 of individual ballast stones 18 (in the Fig. 1 and 2 implies and in Fig. 3 partly shown in detail).
  • Embedded in the upper area of the ballast body 16 are wooden, concrete or steel sleepers 20, to which the rails 24 are fastened via fastening points which are in particular height-adjustable (indicated at 22).
  • the load transfer regions 26 are defined in the ballast body 16, within which the loads occurring when the rails 24 travel over are transferred to the ground 12.
  • load transfer regions 26 are trapezoidal. Within the end region of the ballast body 16 facing the base 12, the load transfer regions 26 merge into one another. In the plan view, the load transfer area 26 is as in FIG Fig. 2 The regions between adjacent load transfer regions 26 are substantially V-shaped.
  • the cavities between the ballast stones 18 within the load transfer regions 26 are now completely filled with foam, preferably with a PU foam 28 which is adjusted according to the requirements and loads.
  • PU foams can be adjusted to the respective requirements with regard to, for example, compressive strength, adhesion and foaming behavior adjust accordingly, which is generally well known and leads to an optimal for the particular application foam material.
  • the ballast stones 18 within the load transfer areas 26 are thus fixed in position; Below the sills 20 are lower side soffits 30 made of a (elastic) plastic material.
  • the foam 28 may also be disposed laterally of the lower portions of the sills 20 so that they are embedded by ballast body regions provided with the foam 28.
  • a drainage mat 14 below a track superstructure is particularly evident in a two- or multi-track route, as in Fig. 4 is shown.
  • the individual components of the track superstructure 10 'of Fig. 4 identical or equal to the individual components of the track superstructure 10 of FIGS. 1 to 3 are. are they in Fig. 4 marked with the same reference numerals.
  • a vehicle with the possibility of a stepping operation for the passage of ⁇ 1m / sec can be used, with which the system can be offset with cm-accuracy.
  • the storage warehouses are equipped with KTCs, which can be filled at the factory and placed on a crane and lifted off.
  • the heating and drying unit preferably has a lowerable bell of z. B. at least 6 x 2.5 m 2 , in the hot air from z. B. a support burner is conveyed in an air line by blower. This unit can be set several times (eg three times) in succession, in order to be able to set the necessary foaming parameters depending on the outside temperature and humidity of the ballast.
  • the heating can be done with mineral oil products, gas or with natural vegetable oils.
  • the exhaust heat and the waste heat of the locomotive can also be used.
  • each up to eight foam lances for each Has threshold side and several hovering, for example, ten can operate simultaneously.
  • the foam lances can be individually lowered into the ballast body by a propulsion device.
  • the necessary lowering is calculated by determining the inclination of the track body by a process computer for each lance.
  • the lances can be closed at the bottom and provided with lateral outlet nozzles with the same or different opening widths.
  • the lances are displaceable by lateral drives and are positioned by measuring devices directly next to the threshold body. After lowering the lances to the calculated point, the foaming process controlled by the process computer is triggered.
  • the lances are pulled out of the ballast bed with a drive in a speed previously calculated and controlled by the process computer.
  • the computer recognizes the end point of the foaming process and shuts down the pumps or closes the valves at the mixing head. Immediately, the lance is blown free with compressed air and rinsed with hot water and blown dry again with compressed air.
  • the device is started up after this clock simultaneously with the heating bells. During the phase of moving the device, the air heating and blowers are switched off. The train can then be moved to repeat the process on the subsequent segment.
  • the lances are interchangeably mounted on a part that receives the drive as a support for the vertical introduction into the ballast body. Then the mixing head is attached.
  • the lower part of the lance is made of a wear-resistant material, e.g. Tungsten carbide or equivalent steel.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Railway Tracks (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Claims (10)

  1. Superstructure de voie pour une voie ferroviaire sur un sous-sol (12) incliné transversalement à l'extension de la-même, comprenant
    - un corps de ballast (16) formé par des pierres de ballast individuelles (18), et
    - des traverses de chemin de fer (20) encastrées dans le corps de ballast, auxquelles on peut monter des rails (24), le corps de ballast (16) comprenant des zones de dissipation de charges (26) au-dessous les rails (20), qui, quand une véhicule ferroviaire court sur les rails (24), absorbent des charges agissant verticalement sur le corps de ballast (16) à travers les traverses (20) et les transmettent au sous-sol (12) au-dessous le corps de ballast (16),
    caractérisée en ce que
    - sensiblement seulement les vides entre les pierres de ballast (18) situées dans les zones de dissipation de charges (26) du corps de ballast (16) sont remplies d'une mousse (28), en particulier une mousse PU, afin d'immobiliser les pierres de ballast (18) dans ces zones (26), et
    - une couche de drainage (14) élastique est prévue entre le corps de ballast (16) et le sous-sol (12).
  2. Superstructure de voie selon la revendication 1, caractérisée en ce que la couche de drainage (14) comprend une couche poreuse de particules d'un matériau élastomère, en particulier des particules de caoutchouc obtenues de préférence de pneus recyclés, les particules étant liées entre eux-mêmes.
  3. Superstructure de voie selon la revendication 1 ou 2, caractérisée en ce qu'un non-tissé est prévu dessous et dessous la couche de drainage (14).
  4. Superstructure de voie selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les faces de dessous des traverses (20) sont prévues d'une sole (30) d'un matériau élastique, notamment d'un matériau plastique.
  5. Superstructure de voie selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les rails (24) sont adaptés d'être montés sur les traverses (20) d'une manière réglable en hauteur.
  6. Procédé d'établissement d'une superstructure de voie pour une voie ferroviaire sur un sous-sol incliné transversalement à l'extension de la même, dans lequel
    - une nappe élastique (14) est positionnée sur le sous-sol,
    - un corps de ballast (16) est formé sur la nappe de drainage (14), le corps de ballast étant formé par des pierres de ballast (18) présentant des vides entre eux-mêmes,
    - des traverses (20) sont encastrées dans le corps de ballast (16), et
    - des rails (24) sont montés sur les traverses (20), et
    - un matériau moussable (28) est introduit dans les vides entre les pierres de ballast pour immobiliser les pierres de ballast (18) qui se trouvent sensiblement seulement dans des zones de dissipation de charges (26) du corps de ballast (16) dessous les traverses (20).
  7. Procédé d'établissement d'une superstructure de voie selon la revendication 6, caractérisé en ce que les pierres de ballast (18) sont lavées avant le corps de ballast (16) est formé et/ou avant le matériau moussable (28) est introduit dans ledit corps de ballast (16).
  8. Procédé d'établissement d'une superstructure de voie selon la revendication 6 ou 7, caractérisé en ce que le corps de ballast (16) est chauffé avant le matériau moussable (28) est introduit.
  9. Procédé d'établissement d'une superstructure de voie selon l'une quelconque des revendications 6 à 8, caractérisé en ce que des traverses (20) sont encastrées dans le corps de ballast (16), comprenant une sole (30) d'un matériau élastique, notamment d'un matériau plastique.
  10. Procédé d'établissement d'une superstructure de voie selon l'une quelconque des revendications 6 à 9, caractérisé en ce que le corps de ballast (16) est bourré et/ou mis dans vibrations pour l'affaisement initial, avant l'introduction du matériau moussable (28).
EP05106393A 2004-07-23 2005-07-13 Assiette de voie partiellement injectée avec une mousse et procédé pour l'exécution de l'assiette Expired - Lifetime EP1619305B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05106393A EP1619305B1 (fr) 2004-07-23 2005-07-13 Assiette de voie partiellement injectée avec une mousse et procédé pour l'exécution de l'assiette
PL05106393T PL1619305T3 (pl) 2004-07-23 2005-07-13 Nawierzchnia torowiska częściowo wypełniona wtryśniętą pianką oraz sposób wytwarzania tej nawierzchni

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04017427 2004-07-23
EP05106393A EP1619305B1 (fr) 2004-07-23 2005-07-13 Assiette de voie partiellement injectée avec une mousse et procédé pour l'exécution de l'assiette

Publications (4)

Publication Number Publication Date
EP1619305A2 EP1619305A2 (fr) 2006-01-25
EP1619305A8 EP1619305A8 (fr) 2006-07-19
EP1619305A3 EP1619305A3 (fr) 2006-09-06
EP1619305B1 true EP1619305B1 (fr) 2009-05-06

Family

ID=34925891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05106393A Expired - Lifetime EP1619305B1 (fr) 2004-07-23 2005-07-13 Assiette de voie partiellement injectée avec une mousse et procédé pour l'exécution de l'assiette

Country Status (5)

Country Link
EP (1) EP1619305B1 (fr)
AT (1) ATE430837T1 (fr)
DE (1) DE502005007225D1 (fr)
ES (1) ES2326125T3 (fr)
PL (1) PL1619305T3 (fr)

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DE102010016733A1 (de) 2010-04-30 2011-11-03 Bayer Materialscience Ag Konditioniervorrichtung und Verfahren zum Trocknen und Temperieren eines Schotterbetts
DE102011053368A1 (de) 2011-09-07 2013-03-07 Bayer Materialscience Aktiengesellschaft Raupenkette, Konditioniervorrichtung, Verfahren zum Temperieren eines Schotterbetts sowie Verwendung eines Schaumstoffs
AU2008241025B2 (en) * 2007-04-24 2013-06-20 Hennecke Gmbh Method and device for foaming ballast beds
EP2730699A1 (fr) 2012-11-09 2014-05-14 Bayer MaterialScience AG Procédé destiné à transformer en mousse un lit de ballast d'une installation de rails de voie ferrée
EP3385446A1 (fr) 2017-04-07 2018-10-10 Holcim Technology Ltd. Assiette de voie et procédé de stabilisation d'une assiette de voie
DE102022200074A1 (de) 2022-01-05 2023-07-06 Hyperion Verwaltung Gmbh Konditioniervorrichtung und Konditionierverfahren zum Reinigen und/oder Trocknen eines aus Schottersteinen gebildeten Gleisbetts

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DE102005013736A1 (de) * 2005-03-22 2006-09-28 Max Bögl Bauunternehmung Gmbh & Co.Kg Gleisanlage und Betonplatte einer Festen Fahrbahn
US20090152368A1 (en) 2006-02-10 2009-06-18 Msb-Management Gmbh Method for producing a track superstructure which underwent partial foaming
WO2007090902A1 (fr) * 2006-02-10 2007-08-16 Msb-Management Gmbh Procede et dispositif de nettoyage du ballast avec incorporation d'un tapis de drainage
GB2440147B (en) * 2006-07-15 2011-02-09 Terram Ltd Containment structure
US7896255B2 (en) 2007-01-18 2011-03-01 Msb-Management Gmbh Partly foamed railroad track support arrangement
EP2126214A1 (fr) * 2007-02-22 2009-12-02 SSL-Schwellenwerk und Steuerungstechnik Linz GmbH Procédé de réalisation d'une semelle pour traverse sur un corps de traverse et traverse
DE102007057064A1 (de) * 2007-11-27 2009-05-28 Hennecke Gmbh Verfahren zum Verfestigen eines Schotterbetts und Vorrichtung zur Durchführung des Verfahrens
GB0908280D0 (en) 2009-05-14 2009-06-24 Geofabrics Ltd Trackbed liner and related methods
DE102010062651A1 (de) 2010-12-08 2012-06-14 Ntg-Bau Gmbh Vorrichtung und Verfahren zum Lösen von an in einem Schotterkörper verlegten Gleisschwellen anhaftenden Schottersteinen
RU2447220C1 (ru) * 2010-12-28 2012-04-10 Открытое Акционерное Общество "Российские Железные Дороги" Способ нанесения полимерных покрытий на балластный слой
RU2604749C2 (ru) 2011-09-01 2016-12-10 Байер Интеллектуэль Проперти Гмбх Способ формирования балластных призм
WO2013057068A2 (fr) 2011-10-19 2013-04-25 Bayer Intellectual Property Gmbh Appareil de déplacement de tête de mélange de machine de versage et système de versage
DE102012105983A1 (de) * 2012-07-04 2014-01-09 Hering Bau Gmbh & Co. Kg Akustische Abschirmeinheit und deren Aufbau
CN106545361B (zh) * 2016-11-24 2019-01-11 贵州开磷集团股份有限公司 一种矿山井下强透水性充填挡墙及其施工方法
WO2020109267A1 (fr) * 2018-11-27 2020-06-04 Covestro Deutschland Ag Procédé de préparation d'un lit de voie
DE102019210289A1 (de) 2019-07-11 2021-01-14 Hyperion Verwaltung Gmbh Schotter-Kunststoff-Verbundkörper
DE102021211499A1 (de) 2021-10-12 2023-04-13 Hyperion Verwaltung Gmbh Verfahren und Vorrichtung zum Recyceln von Polyurethan-Schotter-Verbünden
CN114808565B (zh) * 2022-03-10 2023-05-23 中铁四局集团有限公司 一种聚氨酯固化道床的施工方法

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EP0700475A1 (fr) * 1993-05-25 1996-03-13 KOCH MARMORIT GmbH Procede et realisation d'une couche intermediaire elastique pour voies ferrees
GB2356880A (en) * 1999-12-01 2001-06-06 Terram Ltd Rail support structures and geosynthetics

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008241025B2 (en) * 2007-04-24 2013-06-20 Hennecke Gmbh Method and device for foaming ballast beds
US8938887B2 (en) 2010-04-30 2015-01-27 Bayer Intellectual Property Gmbh Conditioning device and method for drying and controlling the temperature of a ballast bed
WO2011134967A1 (fr) 2010-04-30 2011-11-03 Bayer Materialscience Ag Dispositif de conditionnement et procédé pour sécher et réguler la température d'un lit de ballast
DE102010016733B4 (de) * 2010-04-30 2012-09-20 Bayer Materialscience Aktiengesellschaft Konditioniervorrichtung und Verfahren zum Trocknen und Temperieren eines Schotterbetts
DE102010016733A1 (de) 2010-04-30 2011-11-03 Bayer Materialscience Ag Konditioniervorrichtung und Verfahren zum Trocknen und Temperieren eines Schotterbetts
DE102011053368A1 (de) 2011-09-07 2013-03-07 Bayer Materialscience Aktiengesellschaft Raupenkette, Konditioniervorrichtung, Verfahren zum Temperieren eines Schotterbetts sowie Verwendung eines Schaumstoffs
WO2013034643A2 (fr) 2011-09-07 2013-03-14 Bayer Intellectual Property Gmbh Véhicule à chenilles, dispositif de traitement, procédé de chauffe d'un lit de ballast et utilisation d'une mousse
EP2730699A1 (fr) 2012-11-09 2014-05-14 Bayer MaterialScience AG Procédé destiné à transformer en mousse un lit de ballast d'une installation de rails de voie ferrée
WO2014072460A1 (fr) * 2012-11-09 2014-05-15 Bayer Materialscience Ag Procédé de protection par la mousse d'un lit de ballast d'une voie ferrée
EP3385446A1 (fr) 2017-04-07 2018-10-10 Holcim Technology Ltd. Assiette de voie et procédé de stabilisation d'une assiette de voie
WO2018185702A1 (fr) 2017-04-07 2018-10-11 Holcim Technology Ltd Plateforme de voie et procédé de stabilisation d'une plateforme de voie
DE102022200074A1 (de) 2022-01-05 2023-07-06 Hyperion Verwaltung Gmbh Konditioniervorrichtung und Konditionierverfahren zum Reinigen und/oder Trocknen eines aus Schottersteinen gebildeten Gleisbetts
WO2023131652A1 (fr) 2022-01-05 2023-07-13 Hyperion Verwaltung Gmbh Appareil de conditionnement pour le nettoyage et/ou le séchage d'un lit de voie formé à partir de pierres de ballast, et procédé de conditionnement utilisant ledit appareil de conditionnement

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EP1619305A3 (fr) 2006-09-06
DE502005007225D1 (de) 2009-06-18
PL1619305T3 (pl) 2009-10-30
ES2326125T3 (es) 2009-10-01
EP1619305A2 (fr) 2006-01-25
ATE430837T1 (de) 2009-05-15
EP1619305A8 (fr) 2006-07-19

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