EP0822293A1 - Verfahren zum Einbringen von Füllmaterial unter eine feste Fahrbahn und Vorrichtung zur Durchführung des Verfahrens - Google Patents
Verfahren zum Einbringen von Füllmaterial unter eine feste Fahrbahn und Vorrichtung zur Durchführung des Verfahrens Download PDFInfo
- Publication number
- EP0822293A1 EP0822293A1 EP97110956A EP97110956A EP0822293A1 EP 0822293 A1 EP0822293 A1 EP 0822293A1 EP 97110956 A EP97110956 A EP 97110956A EP 97110956 A EP97110956 A EP 97110956A EP 0822293 A1 EP0822293 A1 EP 0822293A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier material
- carriageway
- openings
- filling
- solid
- 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
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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
- 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
- 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
-
- 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
-
- 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
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
Definitions
- the rails do not necessarily have to be laid on sleepers, but can also, attached by means of rail fastenings, run directly on a concrete slab.
- the a solid roadway is usually made up of several layers: located above a frost protection layer a so-called hydraulic base course (HGT) made of lean concrete and above again a layer of hard concrete, which is the sleepers for the rails or directly the Carries rails.
- HHT hydraulic base course
- DE 43 19 470 C1 describes a method in which to compensate for Settlement under an endlessly laid solid carriageway through horizontal in the Concrete slab cast in pipes hardening via roughly vertical outlet openings Grout is pressed between the concrete slab and the substrate.
- the Concrete slab is usually raised by pressing.
- the altitude, especially compliance with the bank of the Concrete slab, although with targeted pressing in, but not with a particularly large one Precision can be controlled even by one-sided pressing.
- a substance is placed under the solid carriageway is introduced, which consists of many small particles that act like force a grain structure behave and the forces from the concrete roadway to the substructure of the solid roadway transmitted.
- a substance that is particularly advantageous is the Roughness of the surface and due to the storage density a high angle of the inner Has friction; this will result in a lateral exit of the particles under the superstructure, the would lead to a further lowering, practically prevented.
- Lowering and appropriate relining on the edge of the solid roadway could an additional sealing of the edge of the solid carriageway against the leakage of Particles may be beneficial, e.g. through a partition with concrete or steel wall.
- Such a deformable substance as relining is also better than one Solid body capable of some damping of the vehicle triggered To cause vibrations.
- Relining is therefore below the concrete slab, below the HGT and / or below the frost protection layer possible.
- Sand is preferably used as the material for the underfill, especially those types of sand that have sharp-edged grain are advantageous Oppose shifts under the influence of forces greater resistance.
- Plastic granules that can come from recycling, or ground Blast furnace slags, finely shredded materials from old bitumen-bound roads or from concrete recycling, fine glass shot, e.g. from picture tube recycling, and other finely grained solid and not or only very slowly biodegradable Materials.
- the sedimentation takes place mainly at the places where the cavity is greatest under the fixed lane, since there is also the smallest Flow velocities prevail.
- the process therefore works by itself without human intervention compensating for differences in the size of the cavities underneath the roadway.
- Settling takes place starting from the inflow opening through the Roadway, in a shape similar to a pancake, on the surface of which is constantly in their position changing, temporary, transport channels with additional supplies Transport the loaded carrier material to the outside, where then due to low flow velocity, separation with another The pancake is enlarged, etc. (see Fig. 3).
- the carrier material which is released again after the filling material has settled is the Possibility to escape under the fixed lane. This is permeable side fill guaranteed.
- the carrier material emerges laterally under the solid Lane and can, in the case of a liquid carrier material, e.g. in gutters, collected and reused for re-mixing with the granular filling material be (see Fig. 1).
- Another possibility is the exit of the fluid carrier material through openings in the solid carriageway upwards where it is also caught and can be reused (see Fig. 2).
- It offers itself as a fluid carrier material preferably water, which is in motion due to its density and Viscosity good wearing properties for most particles up to the grain size of coarse sand (up to approx. 2 mm).
- Air also offers the advantage of cheap Availability, being transportable for heavier sand-like particles Grain size is achieved by a significantly higher speed, so such Particles do not start to settle early before they start on yours Have reached their final storage location. Heavy particles must therefore be more fine-grained than lightweight to increase their surface area relative to the mass and thus their settling behavior to improve in the fluid. Especially plastic is also in because of its lower density normal sand-like grain with swirled air as a carrier material under the solid Separable roadway.
- ⁇ T - ⁇ F For sand in water ( ⁇ T - ⁇ F ) is approximately 1.6 g / cm 3 , for sand in air it is approximately 2.6 g / cm 3 . Since the viscosity ⁇ for air is approximately 50 times lower than that of water, either the air velocity (vortex) must be approximately 2.6 / 1.6 ⁇ 50 ⁇ 80 times greater than that of water, or the diameter of the particles in air must be about 9 times slower than in water at the same speed, or a combination of the above effects can be used.
- the ratio of the masses of fluid carrier material to filler material can vary according to the carrying capacity of the fluid for the particle in question and the viscosity of the formed mixture vary between 1000: 1 and 1: 1, e.g. with sand in Water a ratio of the order of magnitude 3: 1 to 10: 1 was found to be optimal Has.
- gas bubbles By attaching gas bubbles to solid particles of the filling material, their Buoyancy in a liquid carrier material can be greatly increased so that less Flow velocities and lower mass ratios of carrier material too Filling material is possible and also larger particles in the process Can be applied than would otherwise be possible.
- a pinching of gas bubbles through Gas can be blown in by adding flotation aids, similar to those such as they are used in ore separation to facilitate liquid carrier material will.
- an agent to the water as an auxiliary which reduces the flow resistance of the mixture and facilitates penetration into smaller gaps.
- agents that are effective even in low concentrations are, for example, in the magazine International Water Power and Dam Construction ", Volume 30, No. 6, pp. 53-58 ( Reducing drag by polmers for hydro construction ").
- the most frequently used substances are polyethylene oxide, polyacrylamide and the guar gum obtained from natural substances (guar bean). It is advantageous when using these substances to reduce the flow resistance that they do not, if at all strong, yet noticeable adhesion of the filling material particles, which due to their water solubility is removed when filling is carried out again later.
- Raising the road or reducing the contact force on the ground is possible with a device that mechanically clings to the rail, while stamps with a load distribution plate starting from the device on both sides be pressed onto the ground outside the solid carriageway (see Fig. 1 and Fig. 2).
- the Device can preferably be in the form of one or more wheels running Rail carriages be executed. Instead of mechanically clinging to the rail (s.Fig.4a), the clamping is also with magnetic force on the ferromagnetic rail possible (see Fig. 4b).
- the device preferably also has at least one of the following parts on board: Measuring devices, pumps and mixing devices for carrier material and Filling material, collecting devices for recovered carrier material, possibly with Separation device of non-deposited filling material and / or soil particles, also the necessary connectors between device and slab track as well also stocks of carrier material and filling material.
- the device described is then able to piece by piece the solid road to raise, align and reline.
- the process can be automated, from the surveying to the introduction of the Connectors for the fluid from the transport device to the intended connectors in the concrete slab or other solid carriageway, connecting the Rail vehicle on the rails, lifting and aligning the Concrete slab / solid carriageway, the introduction of the fluid carrier material with the mixed filler and the sedimentation of the filler, and optionally the return of the excess fluid with regeneration, and the subsequent one Place the concrete slab / solid carriageway on the filling material at the desired height.
- the sequence of the automated individual process sections is determined by Sensors monitored and controlled by computer: only when for the characteristic ones Control values in a certain process section target values are commanded the computer switches to the subsequent process section. When occurring It is advantageous if human workers present the Eliminate problems. For this reason, is also only a partially automatic variant of the Process conceivable in which the sequence of most process sections in succession is monitored and triggered by humans.
- Fig. 1 shows schematically the procedure using the example of a ballastless superstructure Type Züblin (Bautechnik 72 (1995), number 1, pages 2 to 10), one of which is not drawn in plastic film between the concrete support plate (2) and hydraulic bound base layer (HGT) (3) reduces the bond so much that later Only lifting the concrete support plate (2) lifts off while the one underneath hydraulically bound base layer (3) remains in its original position.
- HGT (3) and concrete support plate (2) In the emerging cavity (4) between HGT (3) and concrete support plate (2) is then over Feed pipes (5) through filling openings (6) in the concrete support plate (2) a mixture introduced from carrier material and filling material. After stopping most of it
- This page starts in the case of a liquid carrier material a groove (8) this. From there it will be the Fed reuse. The same thing happens on the other side with the in smaller amount of emerging carrier material.
- the channels also serve as Isolation.
- This dimension is therefore also in a modified design by extending the special situation to the left and right of the superstructure adaptable, which also leads to cheaper lever moments.
- the stamp can then in the above example can also be supported on the HGT (3).
- the stamps themselves are designed as channels for collecting liquid Carrier material formed.
- Figure 2 shows the roadway in the above construction of Figure 1 as an example, this time but the carrier material escapes after most of the filling material has settled through openings (12) through the road and through connectors (13) Reused, or else, preferably after separation of Solid content, released into the environment.
- larger cavities (4) between Concrete support plate (2) and HGT (3) are partitions (11) against leakage of filling and Carrier material advantageous, which can either be permanently attached (e.g. from Concrete) or after separating the filling material. It is here too possible to train the stamp in the function of such foreclosures.
- the figures illustrate the procedure using the example of raising the Concrete slab; but it is also possible to use the HGT together with the Lift the concrete slab above it if the bond between the two Layers is strong enough.
- Fig. 3 shows schematically the deposition of the filling material (15) in the form of a Pancakes under the road.
- Always changing, emerging and passing Transport channels (16) lead to steady growth, especially at the points with the lowest flow rate. It's about in the middle of the pancake Location (17) below the fill opening in the lane.
- the shape of the pancake depends from the shape of the cavity (4) under the carriageway and decreases when complete Filling at the end of angular shape.
- Fig.4 shows ways of clipping to the rail (19).
- Fig.4a is a simple one mechanical variant in the form of pliers
- Fig. 4b in a simple manner to hold on the rail (18) by means of magnetic force, only the core (19) of an electromagnet was drawn.
- the brackets and stamps are so along the to be lifted Line section arranged and of such strength that they add forces of can hold several hundred tons.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Railway Tracks (AREA)
- Road Repair (AREA)
Abstract
Description
- 1
- Betonschwelle
- 2
- Betontrageplatte
- 3
- hydraulisch gebundene Tragschicht (HGT)
- 4
- Hohlraum
- 5
- Zuleitungsrohr
- 6
- Einfüllöffnung in Betontrageplatte
- 7
- Spalt zwischen Betontrageplatte und HGT
- 8
- Auffangrinne
- 9
- Stempel
- 10
- Lastverteilungsplatte
- 11
- Abschottung
- 12
- Austrittsöffnungen für Trägermaterial
- 13
- Verbindungsstück
- 14
- Boden
- 15
- Füllmaterial
- 16
- temporäre Transportkanäle
- 17
- Ort unterhalb der Einfüllöffnung
- 18
- Schiene
- 19
- Kern eines Elektromagneten
- 20
- schienenbeweglicher Wagen
Claims (16)
- Verfahren zum Einbringen von Füllmaterial unter eine feste Fahrbahn, bzw. zwischen die einzelnen Schichten, aus denen diese aufgebaut sein kann, um diese in gewünschten Bereichen anzuheben, auszurichten oder auch nur zu unterfüttern,
dadurch gekennzeichnet, daß das einzubringende Füllmaterial in einem fluiden Trägermaterial verteilt ist und durch in der festen Fahrbahn befindliche Öffnungen an der Stelle der beabsichtigten Lageänderung eingespeist oder eingepreßt wird, wobei dem nach Absetzen des meisten Füllmaterials freigewordenen Trägermaterial durch Öffnungen in der festen Fahrbahn oder seitlich zwischen fester Fahrbahn und Untergrund die Möglichkeit geboten wird zu entweichen. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß alle oder die meisten Einfüllöffnungen bereits beim Herstellen der frisch verlegten festen Fahrbahn eingebaut werden, bevorzugt als ungefähr senkrechte Durchführungen runden oder polygonalen Querschnitts, die bevorzugt durch Kunststoff- oder Metallrohre ausgekleidet sein können. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß alle oder die meisten Einfüllöffnungen erst zur Durchführung des Verfahrens z.B. durch Bohren angebracht werden. - Verfahren nach mindestens einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die feste Fahrbahn Öffnungen aufweist, die bereits bei der frisch verlegten Fahrbahn vorhanden sind, oder später angebracht werden, durch die das vom Füllmaterial größtenteils befreite fluide Trägermaterial austreten kann. - Verfahren nach mindestens einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß das seitlich an der festen Fahrbahn oder durch Öffnungen in der festen Fahrbahn austretende, vom Füllmaterial größtenteils befreite Trägermaterial aufgefangen und nach eventueller Abscheidung von sonstigen Beimengungen nach Zusatz und Vermischung mit neuem Füllmaterial erneut unter die feste Fahrbahn gepumpt wird. - Verfahren nach mindestens einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß das Trägermaterial so stark bewegt wird, daß die Absinkgeschwindigkeit des Füllmaterials im bewegten Trägermaterial größenordnungsmäßig der von Sand in bewegtem Wasser entspricht, oder geringer als diese ist. - Verfahren nach mindestens einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß als Füllmaterial feinkörnige Substanzen, deren Körner stark aneinander haften oder reiben, eingesetzt werden. - Verfahren nach mindestens einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß als Füllmaterial Sand verwendet wird, der einer besonders geeigneten Korngrößengruppe, wie z.B. Mittel- bis Grobsand, angehört, oder aber auch Recyclingglaskörner, Recyclingbetonkörner, Recyclingasphaltkörner, Recyclingkunststoffkörner, grob zermahlene Hochofenschlacke oder eine Mischung aus diesen Komponenten. - Verfahren nach mindestens einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß das Trägermaterial Wasser ist. - Verfahren nach mindestens einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß das Trägermaterial ein Gas, bevorzugt Luft, ist. - Verfahren nach mindestens einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß das flüssige Trägermaterial mindestens ein Flotationshilfsmittel enthält, welches, im Verein mit eingeblasenem Gas, bevorzugt Luft, hilft, das Füllmaterial durch das an dieses angebundene Gas im bewegten Trägermaterial länger in der Schwebe zu halten. - Verfahren nach mindestens einem der Ansprüche 1 bis 9 und 11,
dadurch gekennzeichnet, daß das flüssige Trägermaterial mindestens einen Zusatzstoff enthält, welcher den Strömungswiderstand der gesamten Mischung herabsetzt und ein Einströmen in kleinste Ritzen ermöglicht. - Verfahren nach Anspruch 12,
dadurch gekennzeichnet, daß der Zusatzstoff ein Polymer ist, welches nach Abfluß des Trägerfluids eine wasserlösliche Verklebung des Füllmaterials bewirkt, bzw. die Haftung zwischen den Partikeln des Füllmaterials hinreichend erhöht um einer Verschiebung bei Belastung durch fahrende Züge nur langsam nachzugeben. - Vorrichtung zur Durchführung des Verfahrens nach mindestens einem der Ansprüche 1 bis 13,
dadurch gekennzeichnet, daß mindestens ein auf Rädern auf den Schienen beweglicher Wagen mindestens eine der Vorrichtungen Vermessungsgerät, Pumpe, Mischaggregat, Verbindungsstück zu einer oder mehreren Füllöffnungen in der festen Fahrbahn, Verbindungsstück zu mindestens einer der Austrittsöffnungen des Trägermaterials in der festen Fahrbahn oder zu längs der anzuhebenden Fahrbahn befindlichen Auffangrinnen für austretendes Trägermaterial, Abscheider zum Wiedergewinnen des Trägermaterials, Halter zum Festhalten an den Gleisen, horizontal und /oder vertikal ausfahrbare Anpreßstempel zum Anpressen auf den Boden neben der anzuhebenden Fahrbahn aufweist. - Vorrichtung zur Durchführung des Verfahrens nach Anspruch 14,
dadurch gekennzeichnet, daß das Festhalten an den Gleisen durch an- und abschaltbare Magneten erfolgt. - Verfahren unter Zuhilfenahme der Vorrichtung nach mindestens einem der Ansprüche 14 bis 15,
dadurch gekennzeichnet, daß an Stelle eines Füllmaterials in Trägermaterial ein aushärtbares oder konsolidierbares Füllmaterial verwendet wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19631430 | 1996-08-03 | ||
| DE19631430A DE19631430C2 (de) | 1996-08-03 | 1996-08-03 | Verfahren zum Einbringen von Füllmaterial unter eine feste Fahrbahn und Vorrichtung zur Durchführung des Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0822293A1 true EP0822293A1 (de) | 1998-02-04 |
| EP0822293B1 EP0822293B1 (de) | 2001-11-21 |
Family
ID=7801729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97110956A Expired - Lifetime EP0822293B1 (de) | 1996-08-03 | 1997-07-02 | Verfahren zum Einbringen von Füllmaterial unter eine feste Fahrbahn und Vorrichtung zur Durchführung des Verfahrens |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0822293B1 (de) |
| AT (1) | ATE209273T1 (de) |
| DE (2) | DE19631430C2 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013030149A1 (de) * | 2011-09-01 | 2013-03-07 | Bayer Intellectual Property Gmbh | Verfahren zur herstellung von schotterkörpern |
| CZ304730B6 (cs) * | 2013-07-16 | 2014-09-10 | ÄŚeskĂ© vysokĂ© uÄŤenĂ technickĂ© v Praze, Fakulta stavebnĂ | Prefabrikát pro realizaci výstavby silničních komunikací s betonovým povrchem a způsob této výstavby |
| CN116876263A (zh) * | 2023-02-03 | 2023-10-13 | 中南大学 | 一种铁路扣件承轨槽沉降自动调整装置 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19848655B4 (de) * | 1998-05-12 | 2009-09-17 | Ed. Züblin Ag | Sanierung von Festen Fahrbahnen |
| EP1061176B1 (de) | 1999-06-16 | 2004-04-28 | Hochtief Aktiengesellschaft | Verfahren zum Ausgleichen von vertikalen Gleiskörperverschiebungen einer festen Fahrbahn |
| DE10064748B4 (de) * | 2000-09-12 | 2014-10-16 | Max Bögl Bauunternehmung GmbH & Co. KG | Verfahren und Vorrichtung zur Lagekorrektur einer Plattenkonstruktion aus Betonfertigteilplatten |
| DE10248037B3 (de) * | 2002-10-15 | 2004-05-06 | Walter - Heilit Verkehrswegebau Gmbh | Verfahren zur Nachbehandlung einer Schienenfahrbahn |
| AU2005327807A1 (en) * | 2005-03-26 | 2006-10-12 | Rail.One Gmbh | Method of adjusting the height of a fixed rail carriageway |
| RU2334839C1 (ru) * | 2007-03-27 | 2008-09-27 | Государственное образовательное учреждение высшего профессионального образования Иркутский государственный университет путей сообщения (ИрГУПС) | Способ ремонта основания железнодорожного пути тоннеля |
| DE102007048214A1 (de) * | 2007-10-08 | 2009-04-09 | Rte Technologie Gmbh | Verfahren und Anordnung zum Ausrichten vorgefertigter Betontragplatten sowie Tragbalkenelement zur Verwendung in dem Verfahren und der Anordnung |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2068714A (en) * | 1932-01-11 | 1937-01-26 | Stedefeld Curt | Elastic permanent way |
| US4451180A (en) * | 1978-05-09 | 1984-05-29 | Duval Henry H | Method for restructuring railway roadbeds |
| WO1991008056A1 (de) * | 1989-12-02 | 1991-06-13 | Koch Marmorit Gmbh | Verfahren und vorrichtung zum auftragen von mehrkomponentenharzen und anwendungen derselben |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT400338B (de) * | 1991-06-17 | 1995-12-27 | Plasser Bahnbaumasch Franz | Maschine zur lagekorrektur eines auf einer tragschicht aufliegenden gleises |
| DE4319470C1 (de) * | 1993-06-11 | 1994-08-11 | Zueblin Ag | Verfahren zum Ausgleich von Setzungen unter einer endlos verlegten festen Fahrbahn |
-
1996
- 1996-08-03 DE DE19631430A patent/DE19631430C2/de not_active Expired - Fee Related
-
1997
- 1997-07-02 EP EP97110956A patent/EP0822293B1/de not_active Expired - Lifetime
- 1997-07-02 AT AT97110956T patent/ATE209273T1/de not_active IP Right Cessation
- 1997-07-02 DE DE59705452T patent/DE59705452D1/de not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2068714A (en) * | 1932-01-11 | 1937-01-26 | Stedefeld Curt | Elastic permanent way |
| US4451180A (en) * | 1978-05-09 | 1984-05-29 | Duval Henry H | Method for restructuring railway roadbeds |
| WO1991008056A1 (de) * | 1989-12-02 | 1991-06-13 | Koch Marmorit Gmbh | Verfahren und vorrichtung zum auftragen von mehrkomponentenharzen und anwendungen derselben |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013030149A1 (de) * | 2011-09-01 | 2013-03-07 | Bayer Intellectual Property Gmbh | Verfahren zur herstellung von schotterkörpern |
| AU2012301062B2 (en) * | 2011-09-01 | 2017-02-02 | Covestro Deutschland Ag | Method for producing ballast bodies |
| US9562332B2 (en) | 2011-09-01 | 2017-02-07 | Covestro Deutschland Ag | Method for producing ballast bodies |
| CZ304730B6 (cs) * | 2013-07-16 | 2014-09-10 | ÄŚeskĂ© vysokĂ© uÄŤenĂ technickĂ© v Praze, Fakulta stavebnĂ | Prefabrikát pro realizaci výstavby silničních komunikací s betonovým povrchem a způsob této výstavby |
| CN116876263A (zh) * | 2023-02-03 | 2023-10-13 | 中南大学 | 一种铁路扣件承轨槽沉降自动调整装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19631430C2 (de) | 2000-03-23 |
| EP0822293B1 (de) | 2001-11-21 |
| DE59705452D1 (de) | 2002-01-03 |
| ATE209273T1 (de) | 2001-12-15 |
| DE19631430A1 (de) | 1998-02-05 |
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