EP0773322A1 - Ballast-free railway track structure - Google Patents

Ballast-free railway track structure Download PDF

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Publication number
EP0773322A1
EP0773322A1 EP96116838A EP96116838A EP0773322A1 EP 0773322 A1 EP0773322 A1 EP 0773322A1 EP 96116838 A EP96116838 A EP 96116838A EP 96116838 A EP96116838 A EP 96116838A EP 0773322 A1 EP0773322 A1 EP 0773322A1
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EP
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Prior art keywords
bearing
sleepers
solid carriageway
carriageway according
solid
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EP96116838A
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German (de)
French (fr)
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EP0773322B1 (en
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Pfleiderer Infrastrukturtechnick GmbH and Co KG
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Wayss and Freytag AG
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    • 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
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • 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
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete
    • 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
    • E01B2204/13—Dowels for slabs, sleepers or rail-fixings

Definitions

  • the invention relates to a slab track for rail-bound traffic, as described in the preamble of claim 1.
  • This carriageway has a track grate, the sleepers of which are vertically movable by means of dowel-like devices, but are anchored practically immovably in the sleeper axis on the support plate of the carriageway.
  • the invention has set itself the task of further developing a slab track of the type described above so that the economic disadvantages of the previously required special rail fastening are eliminated.
  • the limited possibility of deflection of the rail on the sleeper with the standard rail fastening is to be expanded by the more economical feasibility of larger spring travel with the help of spring elements arranged under the sleeper.
  • the storage of the track grate according to the invention achieves a safe vertical deflection of the track, which has considerable advantages over the previous solution with deflection directly under the rail foot and is considerably more economical.
  • the solution according to the invention is only possible with a vertically overall elastic or freely moveable mounting of the threshold on the base layer, as is known, for example, in the case of the slab track known from EP 0 637 645, in which the dowels of the sleepers on the base layer also have vertical movements the threshold allows relative to the base course.
  • the vibrating mass By moving the spring from the rail foot to the sleeper base, the vibrating mass is increased by the sleeper mass. The vibration is damped faster and noise emissions are reduced.
  • the threshold can be statically dimensioned with smaller dimensions and / or less reinforcement by punctiform, direct transmission of the vertical track load from the rail to the base course.
  • the proposed design of a slab track enables simple, high-precision pre-assembly of the bearings in the sleeper plant during the manufacture of the sleepers. This reduces the effort for height adjustment on the construction site accordingly.
  • Pollyurethane for example, would be suitable as a material for bearings made of elastomer foam, and chloroprene rubber for bearings made of solid material.
  • the bearings can also be designed as composite elements, for example steel plates with vulcanized rubber, as is customary in bridge construction for deformation bearings.
  • the bearings must be set so that they experience a 1-1.5 mm drop under a certain axle load. In the total weight of the directly supported track grating required for the positional stability of the track, sleepers with the previous standard dimensions and a minimum weight of 350 kg / sleeper are required.
  • the stiffness of the bearings under the sleepers can be increased in the direction of the rails towards the sleeper edges.
  • the restoring moments are increased because of the larger inner lever arms (larger core widths of the bearing cross-sections) these are combined into a storage unit by composite panels made of another material, for example steel, which facilitates assembly and also allows protrusions beyond the threshold.
  • Height corrections of the track grate are usually carried out by relining the rail on the threshold.
  • the bearings under the sleepers can also be increased by inserting additional bearing plates.
  • these compensation plates must be made of hard materials such as steel, hard rubber, etc.
  • the ties that have been anchored to the concrete base layer either have to be added to the dowel blocks or replaced with higher dowel blocks.
  • the important equivalence of the proposed slab track with the classic ballast track with regard to airborne noise emission can also be achieved without absorbers placed on the sleepers if the sleepers are ballasted with a damping bulk material (e.g. from recycling material from concrete demolition). In this case, it must be prevented that hard foreign bodies immigrate into the gap between the threshold and the base course, which prevent the threshold from deflecting.
  • the gap around the bearings and dowel elements can be filled with a soft foam that does not absorb water due to the risk of frost (e.g. closed-pore elastomer foam, foam rubber).
  • frost e.g. closed-pore elastomer foam, foam rubber
  • a sleeper 3 with a dowel 24 is held horizontally immovable and vertically movable on the base layer 1 in the sleeper axis.
  • spring elements according to the invention are arranged approximately as a point-shaped bearing 6 of the threshold, approximately in the axis of the rails.
  • the track grate made of sleepers 3 and rails 4 fastened thereon with a rail fastening 5 are placed on the bearings 6.
  • the bearing 6 consists of a plate 7, which in the example shown has anchoring elements integrally connected to it in a wart-like manner.
  • the anchoring elements 8 engage in corresponding recesses 10 on the underside of the threshold 3.
  • the joint 9 between the plate 7 of the bearing 6 with the anchoring elements 8 is closed with a suitable mortar and thereby the plate 7 is connected to the threshold 3 with the correct position and height.
  • This step is expediently already carried out during the production of sleepers in the sleepers factory.
  • With the anchoring elements 8, a positive connection between the plate 7 and the concrete of the sleeper 3 is achieved, which transfers shear forces even if the adhesive joint between the bearing and the sleeper fails.
  • FIG 3 shows an expedient embodiment of the bearing 6 with a plate 11 according to claim 8 with staggered growing force-transmitting cross sections 11/1, 11/2, 11/3.
  • the plate areas depending on their load-bearing cross-sectional areas 11/1, 11/2, 11/3, make different contributions which are inversely proportional to their size, so that the total deformation progressively decreases with increasing load.
  • Figure 2 shows a slab track in which soundproofing elements 12 according to claim 9 are mounted on the sleepers 3.
  • the reduction in the dimension of the threshold 3 by using the weight of the soundproofing elements 12 according to claim 9 is indicated by the length 13 reduced in FIG. 2 compared to the normal threshold length 14.
  • Height corrections of the track e.g. when the support layer 1 settles, it can be achieved in a simple manner by filling the bearing 6 or 23 with bearing supplement plates 15.
  • the plates 15 can have securing strips 16, by means of which the plates are prevented from moving relative to the bearing. 4 shows the example of a bearing with bearing strips 23.
  • a bearing constructed from bearing strips 23 can be combined expediently and to simplify assembly by means of a composite plate 17 to form a bearing unit 18.
  • the sound emission of the track can be reduced in addition to soundproofing elements 12 by filling the compartments 19 between the sleepers 3 with loose bulk material 20.
  • the gap 21 between the base layer 1 and the threshold 3 must be sealed against the ingress of foreign bodies, particularly from the bulk material.
  • a suitable means 22 for sealing the gap 21 can be aging-resistant, closed-pore elastomer foam.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Braking Arrangements (AREA)
  • Chain Conveyers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Traffic Control Systems (AREA)
  • Road Paving Structures (AREA)
  • Eyeglasses (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Ropes Or Cables (AREA)

Abstract

The track construction has a carrier layer (1) with a planar surface (2) supporting the rail sleepers (3) and the rails (4). It is anchored via anchorages (24) embedded in the carrier layer, to allow vertical movement but prevent horizontal movement. Spring elements act as point mountings (6) beneath the sleeper along the axis of each rail. Accurate height positioning of the mountings is via a plastics mortar joint (9) between the mounting and the carrier layer.

Description

Die Erfindung betrifft eine Feste Fahrbahn für schienengebundenen Verkehr, wie sie im Oberbegriff des Anspruchs 1 beschrieben ist. Diese Fahrbahn weist einen Gleisrost auf, dessen Schwellen durch dübelartige Vorrichtungen vertikal beweglich, jedoch in Schwellenachse praktisch unverschiebbar aufder Tragplatte der Fahrbahn verankert sind.The invention relates to a slab track for rail-bound traffic, as described in the preamble of claim 1. This carriageway has a track grate, the sleepers of which are vertically movable by means of dowel-like devices, but are anchored practically immovably in the sleeper axis on the support plate of the carriageway.

Derartige Feste Fahrbahnen sind beispielsweise aus der EP 0 637 645 bekannt. Bei dieser Festen Fahrbahn wird ein Gleisrost aus Schienen und Schwellen auf einer Tragschicht verlegt, wobei zwischen Schwellen und Tragschicht eine nachgiebige Schicht verlegt ist, die punktuelle Ungleichmäßigkeiten zwischen der Oberfläche der Tragschicht und den Sohlflächen der Schwellen ausgleichen und aus derartigen Ungleichmäßigkeiten evtl. entstehende Spannungsspitzen abbauen soll. Diese Ausgleichsschicht hat keine definierten elastischen Eigenschaften und trägt nur in zu vernachlässigender Größenordnung zur vertikalen Einfederung des Gleisrostes bei. Horizontal wird der Gleisrost durch elastische Dübelelemente, wie sie aus der EP 0 637 645 bekannt sind, auf der Tragschicht fixiert.Fixed carriageways of this type are known, for example, from EP 0 637 645. In this slab track, a track grate made of rails and sleepers is laid on a base course, with a flexible layer being laid between the sleepers and the base course, which compensates for punctual irregularities between the surface of the base course and the base surfaces of the sleepers and reduces any voltage peaks that may arise from such irregularities should. This leveling layer has no defined elastic properties and only contributes to the vertical deflection of the track grating to a negligible extent. The track grating is fixed horizontally on the base layer by elastic dowel elements, as are known from EP 0 637 645.

Um die aus betriebs- und fahrtechnischen Gründen erforderliche elastisch gedämpfte Abfederung des Gleises, die bei herkömmlichen geschotterten Gleisen durch die Schotterung gegeben ist, auch bei Festen Fahrbahnen zu erreichen, werden die Schienen auf Festen Fahrbahnen durch ein Schienenbefestigungssystem gehalten, bei dem eine verhältnismäßig dicke elastisch nachgiebige Zwischenplatte unter dem Schienenfuß eingebaut ist. Diese Platte allein unter dem Schienenfuß verlegt würde sehr große Kippbewegungen der Schiene bei entsprechender Belastung zulassen, durch die die Betriebssicherheit beeinträchtigt werden könnte.In order to achieve the elastically damped cushioning of the track required for operational and technical reasons, which is given by the ballast in conventional ballasted tracks, even on slab tracks, the slides are held on slab tracks by a rail fastening system, in which a relatively thick elastic flexible intermediate plate is installed under the rail foot. This plate, laid alone under the rail foot, would permit very large tilting movements of the rail under the appropriate load, which could impair operational safety.

Um die Einfederungseigenschaften für die Schiene bei der weichen Schienenauflagerung des Gleises auf der Schwelle bei Festen Fahrbahnen in einer Größenordnung zu erreichen, wie sie bei Schotterbettung üblich ist, wurde eine Schienenbefestigung für Feste Fahrbahnen entwickelt, die den Schienenfuß über dem Auflager mit Hilfe einer Stahlplatte verbreitert (vgl. Ioarv 300 der Deutschen Bundesbahn). Dadurch werden beim Kippen der Schiene die Kantenpressungen auf der elastischen Zwischenplatte und die Einsenkung der Platte und damit die Schienenkippung entsprechend verringert. Diese Schienenbefestigung ist durch die erforderliche Stahlplatte, erheblich vergrößerte Winkelführungsplatten und eine vergrößerte Zwischenplatte sehr aufwendig und beeinträchtigt die Wirtschaftlichkeit der gesamten Konstruktion dieser Festen Fahrbahn.In order to achieve the deflection properties for the rail in the soft rail support of the track on the sleeper on slab tracks of a magnitude that is common with ballast bedding, a rail attachment for slab tracks was developed, which widens the rail foot above the support with the help of a steel plate (see Ioarv 300 of the Deutsche Bundesbahn). As a result, when the rail is tilted, the edge pressures on the elastic intermediate plate and the depression of the plate and thus the rail tilting are correspondingly reduced. This rail fastening is very complex due to the required steel plate, considerably enlarged angle guide plates and an enlarged intermediate plate and affects the economy of the entire construction of this slab track.

Die Erfindung hat sich die Aufgabe gestellt, eine Feste Fahrbahn der oben beschriebenen Gattung so weiter zu entwickeln, daß die wirtschaftlichen Nachteile der bisher erforderlichen besonderen Schienenbefestigung entfallen. Die begrenzte Möglichkeit der Einfederung der Schiene auf der Schwelle bei der Standard-Schienenbefestigung soll durch die wirtschaftlichere Machbarkeit größerer Federwege mit Hilfe von unter der Schwelle angeordneten Federelementen erweitert werden.The invention has set itself the task of further developing a slab track of the type described above so that the economic disadvantages of the previously required special rail fastening are eliminated. The limited possibility of deflection of the rail on the sleeper with the standard rail fastening is to be expanded by the more economical feasibility of larger spring travel with the help of spring elements arranged under the sleeper.

Die Aufgabe wird gelöst durch eine Feste Fahrbahn, wie sie im kennzeichnenden Merkmal des Anspruchs 1 beschrieben ist. Ausgestaltungen der Erfindung geben die Ansprüche 2 - 9 an.The object is achieved by a slab track as described in the characterizing feature of claim 1. Embodiments of the invention specify claims 2-9.

Durch die erfindungsgemäße Lagerung des Gleisrostes wird eine sichere vertikale Einfederung des Gleises erreicht, die gegenüber der bisherigen Lösung mit Einfederung direkt unter dem Schienenfuß erhebliche Vorteile aufweist und wesentlich wirtschaftlicher ist. Die erfindungsgemäße Lösung ist jedoch nur möglich bei einer vertikal insgesamt elastischen oder frei beweglichen Lagerung der Schwelle auf der Tragschicht, wie sie beispielsweise bei der aus EP 0 637 645 bekannten Festen Fahrbahn bekannt ist, bei der auch die Verdübelung der Schwellen auf der Tragschicht vertikale Bewegungen der Schwelle relativ zur Tragschicht zuläßt.The storage of the track grate according to the invention achieves a safe vertical deflection of the track, which has considerable advantages over the previous solution with deflection directly under the rail foot and is considerably more economical. However, the solution according to the invention is only possible with a vertically overall elastic or freely moveable mounting of the threshold on the base layer, as is known, for example, in the case of the slab track known from EP 0 637 645, in which the dowels of the sleepers on the base layer also have vertical movements the threshold allows relative to the base course.

Durch die Verlagerung der Feder vom Schienenfuß zur Schwellensohle wird die schwingende Masse um die Schwellenmasse vergrößert. Die Schwingung wird schneller gedämpft und die Lärmemission vermindert.By moving the spring from the rail foot to the sleeper base, the vibrating mass is increased by the sleeper mass. The vibration is damped faster and noise emissions are reduced.

Durch punktförmige, unmittelbare Übertragung der vertikalen Gleislast aus der Schiene in die Tragschicht kann die Schwelle statisch mit geringeren Abmessungen und/oder geringerer Bewehrung bemessen werden.The threshold can be statically dimensioned with smaller dimensions and / or less reinforcement by punctiform, direct transmission of the vertical track load from the rail to the base course.

Die vorgeschlagene Bauart einer Festen Fahrbahn ermöglicht eine einfache, höhengenaue Vormontage der Lager bereits im Schwellenwerk bei der Herstellung der Schwellen. Damit sinkt der Aufwand für den Höhenausgleich aufder Baustelle entsprechend.The proposed design of a slab track enables simple, high-precision pre-assembly of the bearings in the sleeper plant during the manufacture of the sleepers. This reduces the effort for height adjustment on the construction site accordingly.

Als Material für Lager aus Elastomereschaum würde sich z.B. Pollyurethan eignen, für Lager aus Vollmaterial Chloroprene-Kautschuk. Die Lager können auch als Verbundelemente, z.B. Stahlplatten mit aufvulkanisiertem Gummi, wie im Brückenbau bei Verformungslagern üblich, ausgeführt werden. Die Lager müssen so eingestellt sein, daß sie unter einer bestimmten anzunehmenden Achslast eine Einsenkung von 1-1,5 mm erfahren. In dem für die Lagestabilität des Gleises geforderten Gesamtgewicht des direkt aufgelagerten Gleisrostes sind Schwellen mit den bisherigen Standardabmessungen und einem Mindestgewicht von 350 kg/Schwelle erforderlich. Bei Verwendung geeigneter, auf den Schwellen aufgelagerter Schallschutzelemente, wie sie zum Lärmschutz bei Hochleistungsstrecken der Bahn ohnehin gefordert werden und beispielsweise in den unveröffentlichten DE 195 17 384.8 , DE 195 29 754.7, DE 195 35 880.5 und DE 195 37 621.8 beschrieben sind, kann bei abgemindertem Schwellengewicht als Folge einer günstigeren, direkten Lastabtragung bei der erfindungsgemäßen Festen Fahrbahn durch Heranziehung des Gewichts der Schallschutzelemente die Gewichtsminderung der Schwellen ausgeglichen werden.Pollyurethane, for example, would be suitable as a material for bearings made of elastomer foam, and chloroprene rubber for bearings made of solid material. The bearings can also be designed as composite elements, for example steel plates with vulcanized rubber, as is customary in bridge construction for deformation bearings. The bearings must be set so that they experience a 1-1.5 mm drop under a certain axle load. In the total weight of the directly supported track grating required for the positional stability of the track, sleepers with the previous standard dimensions and a minimum weight of 350 kg / sleeper are required. When using suitable soundproofing elements mounted on the sleepers, such as are required for noise protection on high-performance lines of the railway anyway and are described, for example, in the unpublished DE 195 17 384.8, DE 195 29 754.7, DE 195 35 880.5 and DE 195 37 621.8, can with reduced threshold weight as a result of a more favorable, direct load transfer in the slab track according to the invention, the weight reduction of the thresholds can be compensated for by using the weight of the soundproofing elements.

Um die Kippneigung der Schwellen beim Angriff von Kräften in Schienenrichtung, z.B. beim Sonderlastfall

Figure imgb0001
Schienenbruch", zu verringern, kann die Steifigkeit der Lager unter den Schwellen in Schienenrichtung zu den Schwellenrändern hin vergrößert werden. Die Rückstellmomente werden dadurch wegen der größeren inneren Hebelarme (größere Kernweiten der Lagerquerschnitte) erhöht. Werden im Extremfall der Steifigkeitverteilung geteilte Lagerstreifen verwendet, können diese durch Verbundplatten aus einem anderem Material , z.B. Stahl, zu einer Lagereinheit zusammengefaßt werden, was die Montage erleichtert und auch Überstände über die Schwelle erlaubt.About the tendency of the sleepers to tilt when forces are applied in the direction of the rail, e.g. in the event of a special load
Figure imgb0001
Rail breakage ", the stiffness of the bearings under the sleepers can be increased in the direction of the rails towards the sleeper edges. The restoring moments are increased because of the larger inner lever arms (larger core widths of the bearing cross-sections) these are combined into a storage unit by composite panels made of another material, for example steel, which facilitates assembly and also allows protrusions beyond the threshold.

Höhehkorrekturen des Gleisrostes, die z.B. aus Setzungen des Baugrundes herühren können, werden im Regelfall durch Unterfüttern der Schiene auf der Schwelle ausgeführt. Reichen diese Möglichkeiten jedoch nicht aus, können auch die Lager unter den Schwellen durch Einschub von Lagerergänzungsplatten erhöht werden. Um die Einfederung der Lager nicht zu verändern, müssen diese Ausgleichsplatten aus harten Materialien, wie Stahl, Hartgummi usw. sein. In diesem Fall müssen bei den Schwellen, die mit der Betontragschicht verdübelt sind, entweder die Dübelsteine aufgestockt werden oder durch höhere Dübelsteine ersetzt werden.Height corrections of the track grate, e.g. can result from subsidence of the subsoil, are usually carried out by relining the rail on the threshold. However, if these options are not sufficient, the bearings under the sleepers can also be increased by inserting additional bearing plates. In order not to change the deflection of the bearings, these compensation plates must be made of hard materials such as steel, hard rubber, etc. In this case, the ties that have been anchored to the concrete base layer either have to be added to the dowel blocks or replaced with higher dowel blocks.

Die wichtige Gleichwertigkeit der vorgeschlagenen Festen Fahrbahn mit dem klassischen Schottergleis hinsichtlich der Luftschallemission kann auch ohne auf die Schwellen aufgelegte Absorber erreicht werden, wenn die Schwellen mit einem dämpfenden Schüttgut (z.B. aus Recyclingmaterial aus Betonabbruch) eingeschottert werden. In diesem Fall muß verhindert werden, daß harte Fremdkörper in den Spalt zwischen Schwelle und Tragschicht einwandern, die das Einfedern der Schwelle verhindern. Dazu kann der Spalt um die Lager und Dübelelemente vollflächig mit einem weichen Schaum, der wegen der Frostgefahr kein Wasser aufnimmt (z.B. geschlossenporiger Elastomereschaum, Moosgummi) aufgefüttert werden. In gleicher Weise können Abklebungen oder Kittfugen nur am Schwellenrand verwendet werden. Dann muß für eine dauerhaft wirksame Entwässerung des Spaltes gesorgt werden.The important equivalence of the proposed slab track with the classic ballast track with regard to airborne noise emission can also be achieved without absorbers placed on the sleepers if the sleepers are ballasted with a damping bulk material (e.g. from recycling material from concrete demolition). In this case, it must be prevented that hard foreign bodies immigrate into the gap between the threshold and the base course, which prevent the threshold from deflecting. The gap around the bearings and dowel elements can be filled with a soft foam that does not absorb water due to the risk of frost (e.g. closed-pore elastomer foam, foam rubber). In the same way, tapes or putty joints can only be used on the threshold edge. Then a permanently effective drainage of the gap must be ensured.

Die Erfindung wird anhand der Figuren 1 bis 6 erläutert. Es zeigen:

Figur 1 u. 2
Schnitte durch eine erfindungsgemäße Feste Fahrbahn senkrecht zur Gleisachse unmittelbar vor einer Gleisschwelle.
Fig. 1 mit normaler Schwelle ohne Ballastierung
Fig. 2 mit verkürzter Schwelle nach Anspruch 9 und Ballastierung durch Schallschutzelemente.
Figur 3
Ein Lager 6 mit einer Tragplatte 11 nach Anspruch 8.
Figur 4
Schnitt durch ein Lager nach den Ansprüchen 10 und 14
Figur 5
Schnitt durch ein Lager nach Anspruch 11
Figur 6
Schnitt durch eine Feste Fahrbahn nach den Ansprüchen 15, 16 und 17
The invention is explained with reference to FIGS. 1 to 6. Show it:
Figure 1 u. 2nd
Cuts through a slab track according to the invention perpendicular to the track axis immediately in front of a track sleeper.
Fig. 1 with normal threshold without ballasting
Fig. 2 with a shortened threshold according to claim 9 and ballasting by soundproofing elements.
Figure 3
A bearing 6 with a support plate 11 according to claim 8.
Figure 4
Section through a bearing according to claims 10 and 14
Figure 5
Section through a bearing according to claim 11
Figure 6
Section through a slab track according to claims 15, 16 and 17

Auf einer erfindungegemäßen Fahrbahn ist eine Schwelle 3 mit einem Dübel 24 in Schwellenachse horizontal unverschieblich und vertikal beweglich auf der Tragschicht 1 gehalten. Auf der Oberfläche 2 der Tragschicht 1 sind etwa in der Achse der Schienen erfindungsgemäße Federelemente als punktförmige Lager 6 der Schwelle angeordnet. Auf den Lagern 6 ist der Gleisrost aus Schwellen 3 und darauf mit einer Schienenbefestigung 5 befestigten Schienen 4 aufgelegt. Das Lager 6 besteht aus einer Platte 7, die im gezeigten Beispiel warzenförmig mit ihr einstückig verbundene Verankerungselemente aufweist. Die Verankerungselemente 8 greifen in entsprechende Ausnehmungen 10 auf der Unterseite der Schwelle 3 ein. Die Fuge 9 zwischen der Platte 7 des Lagers 6 mit den Verankerungselementen 8 wird mit einem geeigneten Mörtel geschlossen und dadurch die Platte 7 mit der Schwelle 3 lage- und höhengenau verbunden. Dieser Arbeitsgang wird zweckmäßig bereits bei der Schwellenfertigung in der Schwellenfabrik durchgeführt. Mit den Verankerungselementen 8 wird eine formschlüssige Verbindung zwischen der Platte 7 und dem Beton der Schwelle 3 erreicht, die auch bei Versagen der Klebefuge zwischen Lager und Schwelle Schubkräfte überträgt.On a roadway according to the invention, a sleeper 3 with a dowel 24 is held horizontally immovable and vertically movable on the base layer 1 in the sleeper axis. On the surface 2 of the support layer 1, spring elements according to the invention are arranged approximately as a point-shaped bearing 6 of the threshold, approximately in the axis of the rails. The track grate made of sleepers 3 and rails 4 fastened thereon with a rail fastening 5 are placed on the bearings 6. The bearing 6 consists of a plate 7, which in the example shown has anchoring elements integrally connected to it in a wart-like manner. The anchoring elements 8 engage in corresponding recesses 10 on the underside of the threshold 3. The joint 9 between the plate 7 of the bearing 6 with the anchoring elements 8 is closed with a suitable mortar and thereby the plate 7 is connected to the threshold 3 with the correct position and height. This step is expediently already carried out during the production of sleepers in the sleepers factory. With the anchoring elements 8, a positive connection between the plate 7 and the concrete of the sleeper 3 is achieved, which transfers shear forces even if the adhesive joint between the bearing and the sleeper fails.

Eine zweckmäßige Ausgestaltung des Lagers 6 mit einer Platte 11 nach Anspruch 8 mit gestaffelt wachsenden kraftübertragenden Querschnitten 11/1, 11/2, 11/3 zeigt Fig. 3.3 shows an expedient embodiment of the bearing 6 with a plate 11 according to claim 8 with staggered growing force-transmitting cross sections 11/1, 11/2, 11/3.

Zur Gesamtverformung der Platte 11 leisten bei gegebener Kraft die Plattenbereiche entsprechend ihren tragenden Querschnittsflächen 11/1, 11/2, 11/3 unterschiedliche zu ihrer Größe umgekehrt proportionale Beiträge, sodaß die Gesamtverformung mit wachsender Belastung progressiv abnimmt.For the total deformation of the plate 11, the plate areas, depending on their load-bearing cross-sectional areas 11/1, 11/2, 11/3, make different contributions which are inversely proportional to their size, so that the total deformation progressively decreases with increasing load.

Figur 2 zeigt eine Feste Fahrbahn bei der Schallschutzelemente 12 nach Anspruch 9 auf die Schwellen 3 aufgelagert sind. Durch Heranziehung des Gewichts der Schallschutzelemente 12, die auf den Schwellen 3 gelagert sind, zur Gewichtserhöhung des Gleisrostes, können andere Teile des Gleisrotes leichter ausgebildet werden. Diese Möglichkeit erlaubt eine leichtere Ausbildung der Schwellen 3, die durch günstigere statische Bedingungen bei Verwendung der erfindungsgemäßen Lager 6 auch tatsächlich ausführbar sind.Figure 2 shows a slab track in which soundproofing elements 12 according to claim 9 are mounted on the sleepers 3. By using the weight of the soundproofing elements 12, which are mounted on the sleepers 3, to increase the weight of the track grate, other parts of the track red can be formed more easily. This possibility allows the sleepers 3 to be designed more easily, which are actually feasible due to more favorable static conditions when the bearings 6 according to the invention are used.

Die Verminderung der Abmessung der Schwelle 3 durch Heranziehung des Gewichts der Schallschutzelemente 12 nach Anspruch 9 wird durch die gegenüber der normalen Schwellenlänge 14 verminderte Lange 13 in Fig. 2 angedeutet.The reduction in the dimension of the threshold 3 by using the weight of the soundproofing elements 12 according to claim 9 is indicated by the length 13 reduced in FIG. 2 compared to the normal threshold length 14.

Höhenkorrekturen des Gleises, z.B. bei Setzungen der Tragschicht 1 können in einfacher Weise durch Auffüttern des Lagers 6 oder 23 mit Lagerergänzungsplatten 15 erreicht werden. Die Platten 15 können Sicherungsleisten 16 aufweisen, durch die eine Verschiebung der Platten gegenüber dem Lager verhindert wird. In Fig. 4 ist das Beispiel eines Lagers mit Lagerstreifen 23 dargestellt.Height corrections of the track, e.g. when the support layer 1 settles, it can be achieved in a simple manner by filling the bearing 6 or 23 with bearing supplement plates 15. The plates 15 can have securing strips 16, by means of which the plates are prevented from moving relative to the bearing. 4 shows the example of a bearing with bearing strips 23.

Ein aus Lagerstreifen 23 aufgebautes Lager kann zweckmäßig und zur Vereinfachung der Montage mittels einer Verbundplatte 17 zu einer Lagereinheit 18 zusammengefaßt werden.A bearing constructed from bearing strips 23 can be combined expediently and to simplify assembly by means of a composite plate 17 to form a bearing unit 18.

Die Schallemission des Gleises kann außer durch Schallschutzelemente 12 durch Auffüllung der Fächer 19 zwischen den Schwellen 3 mit losem Schüttgut 20 vermindert werden. In diesem Fall muß der Spalt 21 zwischen Tragschicht 1 und Schwelle 3 gegen das Eindringen von Fremdkörpern besonders aus dem Schüttgut gedichtet werden. Ein geeignetes Mittel 22 zur Abdichtung des Spaltes 21 kann alterungsbeständiger, geschlossenporiger Elastomere-Schaum sein.The sound emission of the track can be reduced in addition to soundproofing elements 12 by filling the compartments 19 between the sleepers 3 with loose bulk material 20. In this case, the gap 21 between the base layer 1 and the threshold 3 must be sealed against the ingress of foreign bodies, particularly from the bulk material. A suitable means 22 for sealing the gap 21 can be aging-resistant, closed-pore elastomer foam.

Claims (16)

Feste Fahrbahn für schienengebundenen Verkehr, bestehend aus einer Tragschicht (1), wie sie aus dem Straßendeckenbau an sich bekannt ist, mit im wesentlichen ebener Oberfläche (2) und darauf verlegtem Gleisrost aus Schienen (4) und Schwellen (3), wobei das Gleis vertikal beweglich und horizontal im wesentlichen unverschieblich durch Dübel, die in der Tragschicht (1) verankert und in den Schwellen (3) gleitend geführt sind, gehalten und auf der Tragschicht gelagert ist, dadurch gekennzeichnet, daß etwa in der Achse jeder Schiene Federelemente als punktförmige Lager (6,23) unter der Schwelle (3) angeordnet sind.Solid carriageway for rail-bound traffic, consisting of a base course (1), as is known per se from road surface construction, with an essentially flat surface (2) and a track grating of rails (4) and sleepers (3) laid thereon, the track vertically movable and horizontally essentially immovable by dowels, which are anchored in the support layer (1) and slidably guided in the sleepers (3), and are supported and mounted on the support layer, characterized in that spring elements as punctiform in the axis of each rail Bearings (6.23) are arranged under the threshold (3). Feste Fahrbahn nach Anspruch 1, dadurch gekennzeichnet, daß das Federelement ein bei der Schwellenfertigung unverlierbar und höhengenau vormontierbares Lager (6, 23) ist.Solid carriageway according to claim 1, characterized in that the spring element is a bearing (6, 23) which is captive and can be preassembled in height during the manufacture of the sleeper. Feste Fahrbahn nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß das Lager (6, 23) mit Hilfe einer mit geeignetem Kunststoffmörtel verfüllten Fuge (9) höhengenau montierbar ist.Solid carriageway according to claims 1 and 2, characterized in that the bearing (6, 23) can be mounted at the exact height with the aid of a joint (9) filled with suitable plastic mortar. Feste Fahrbahn nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß das Lager (6, 23) eine aus einem geeigneten Elastomere hergestellte Platte (7,11) aufweist, die mit einem geeigneten Kunststoffmörtel und/oder durch angeformte in die Schwelle (3) einbindende Verankerungselemente (8) unverlierbar mit der Schwelle (3) verbindbar ist.Solid carriageway according to claims 1 to 3, characterized in that the bearing (6, 23) has a plate (7, 11) made of a suitable elastomer, which is coated with a suitable plastic mortar and / or by molded into the threshold (3). integrating anchoring elements (8) can be captively connected to the threshold (3). Feste Fahrbahn nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Platte (7,11) des Lagers (6, 23) aus einem geschlossenporigen Elastomerschaum hergestellt ist.Solid carriageway according to one of claims 1 to 4, characterized in that the plate (7, 11) of the bearing (6, 23) is made of a closed-pore elastomer foam. Feste Fahrbahn nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Platte (7,11) des Lagers (6, 23) aus einem elastischen Vollmaterial besteht, das mit Hohlräumen und/oder geeigneter Profilierung versehen und dadurch verformbar ist.Solid carriageway according to one of claims 1 to 5, characterized in that the plate (7, 11) of the bearing (6, 23) consists of an elastic solid material which is provided with cavities and / or suitable profiling and is thereby deformable. Feste Fahrbahn nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Federkraft des Lagers (6, 23) mit zunehmender Belastung progressiv ansteigt.Solid roadway according to one of claims 1 to 6, characterized in that the spring force of the bearing (6, 23) increases progressively with increasing load. Feste Fahrbahn nach Anspruch 6 und 7, dadurch gekennzeichnet, daß das Lager (6,23) Platten (11) mit einer Formgebung mit in vertikaler Achse gestaffelt wachsendem kraftübertragenden Querschnitten (11/1, 11/2, 11/3) aufweist.Solid carriageway according to claims 6 and 7, characterized in that the bearing (6, 23) has plates (11) with a shape with force-transmitting cross sections (11/1, 11/2, 11/3) which grow in a staggered manner in the vertical axis. Feste Fahrbahn nach Anspruch 1, dadurch gekennzeichnet, daß durch Ausbildung planmäßiger Punktlager der Schwellen (3) unmittelbar unter den Schienenauflagern das Konstruktionsgewicht der Schwelle verminderbar, und das betriebstechnisch wirksame Gesamtgewicht aus dem verminderten Gewicht der Schwellen (3), der Schienen (4) und Schienenbefestigungen (5) durch aufden Schwellen aufgelagerte Schallschutzelemente (12) auf den erforderlichen Sollwert vergrößerbar ist.Solid carriageway according to claim 1, characterized in that the constructional weight of the sleeper can be reduced and the operationally effective total weight from the reduced weight of the sleepers (3), the rails (4) and Rail fastenings (5) can be enlarged to the required setpoint by soundproofing elements (12) supported on the sleepers. Feste Fahrbahn nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das Lager (6,23) in Richtung der Schienen (4) veränderliche vertikale Federsteifigkeiten aufweist und diese Steifigkeit zu den Rändern der Schwelle (3) hin größer wird.Solid carriageway according to one of claims 1 to 8, characterized in that the bearing (6, 23) has variable vertical spring stiffnesses in the direction of the rails (4) and this stiffness increases towards the edges of the sleeper (3). Feste Fahrbahn nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß das Lager (6,23) unter den Schwellen (3) durch ein Ergänzungsteil (15) in der Höhe aufstockbar ist, wobei die Gesamtsteifigkeit des aufgestockten Lagers gegenüber der ursprünglichen Lagerung unverändert bleibt.Solid carriageway according to one of Claims 1 to 10, characterized in that the height of the bearing (6, 23) under the sleepers (3) can be increased by means of a supplementary part (15), the total rigidity of the increased bearing remaining unchanged compared to the original bearing remains. Feste Fahrbahn nach Anspruch 11, dadurch gekennzeichnet, daß das Ergänzungsteil (15) eine so große Federsteifigkeit aufweist, daß es zur Einfederung des Lagers (6,23) praktisch keinen Beitrag leistet.Solid carriageway according to claim 11, characterized in that the supplementary part (15) has such a high spring stiffness that it makes practically no contribution to the deflection of the bearing (6, 23). Feste Fahrbahn nach den Ansprüchen 11 und 12, dadurch gekennzeichnet, daß das Ergänzungsteil (15) durch Sicherungsleisten (16) oder andere geeignete Mittel horizontal gegenüber der Schwelle (3) unverschiebbar ist.Solid carriageway according to claims 11 and 12, characterized in that the supplementary part (15) cannot be displaced horizontally with respect to the threshold (3) by securing strips (16) or other suitable means. Feste Fahrbahn nach den Ansprüchen 1 bis 13, dadurch gekennzeichnet, daß das Lager von zwei entlang den Schwellenrändern angeordneten Lagerstreifen (23) gebildet wird.Solid carriageway according to claims 1 to 13, characterized in that the bearing is formed by two bearing strips (23) arranged along the threshold edges. Feste Fahrbahn nach Anspruch 4, dadurch gekennzeichnet, daß die Lagerstreifen (23) mit Verbundplatten (17) aus gegenüber den Lagerstreifen härterem Werkstoffzu einer Lagereinheit (18) kombinierbar sind.Solid carriageway according to claim 4, characterized in that the bearing strips (23) can be combined with composite plates (17) made of material which is harder than the bearing strips to form a bearing unit (18). Feste Fahrbahn nach den Anspruchen 1-15, dadurch gekennzeichnet, • daß der Spalt (21) zwischen Schwelle (3) und Tragschicht (1) gegen das Eindringen von Fremdkörpern (20) durch geeignete Mittel (22) z.B. Füllung mit geschlossenporigem Schaum oder Abkleben der umlaufenden Fugen, abdichtbar ist, und • daß die Fächer (19) zwischen den Schwellen (3) mit losen Schüttgütern (20) auffüllbar sind. Solid carriageway according to claims 1-15, characterized in that • That the gap (21) between the threshold (3) and the base layer (1) against the penetration of foreign bodies (20) by suitable means (22), for example filling with closed-cell foam or masking the circumferential joints, is sealable, and • that the compartments (19) between the sleepers (3) can be filled with loose bulk materials (20).
EP96116838A 1995-11-08 1996-10-19 Ballast-free railway track structure Expired - Lifetime EP0773322B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19541491 1995-11-08
DE19541491A DE19541491A1 (en) 1995-11-08 1995-11-08 Fixed track for rail-bound traffic

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EP0773322A1 true EP0773322A1 (en) 1997-05-14
EP0773322B1 EP0773322B1 (en) 2001-11-28

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EP96116838A Expired - Lifetime EP0773322B1 (en) 1995-11-08 1996-10-19 Ballast-free railway track structure

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EP (1) EP0773322B1 (en)
AT (1) ATE209730T1 (en)
DE (2) DE19541491A1 (en)
DK (1) DK0773322T3 (en)
ES (1) ES2167502T3 (en)
PT (1) PT773322E (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014183925A1 (en) * 2013-05-17 2014-11-20 Rail.One Gmbh Concrete sleeper and solid carriageway
CN112695577A (en) * 2020-12-23 2021-04-23 天津大学 Repairing method and chiseling device for wide and narrow joints of CRTSII type slab ballastless track

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DE2324213A1 (en) * 1973-05-12 1974-11-21 Continental Gummi Werke Ag SOUND ABSORBING TRACK BED
DE2830138A1 (en) * 1978-07-08 1980-01-17 Zueblin Ag sleeper-less concrete railway track rail support points - are reinforced concrete units mounted on others initially let into slab
US4923118A (en) * 1989-02-21 1990-05-08 Armand Goossens Anti-vibration support system for railroads
EP0621370A1 (en) * 1993-04-22 1994-10-26 Walter Bau-Aktiengesellschaft Method for making a ballastless track structure and the ballastless track structure made by the method
EP0637645A1 (en) 1993-08-02 1995-02-08 Wayss & Freytag Aktiengesellschaft Rigid railroad-base

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US4303199A (en) * 1978-08-22 1981-12-01 Eisses Jacobus A Restored vibration isolation for railway tracks
AT395254B (en) * 1989-11-23 1992-11-10 Porr Allg Bauges Permanent way with intermediate plate
DE9018025U1 (en) * 1990-12-19 1994-01-05 Preussag Stahl Ag Railway superstructure with counterweights

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Publication number Priority date Publication date Assignee Title
DE2324213A1 (en) * 1973-05-12 1974-11-21 Continental Gummi Werke Ag SOUND ABSORBING TRACK BED
DE2830138A1 (en) * 1978-07-08 1980-01-17 Zueblin Ag sleeper-less concrete railway track rail support points - are reinforced concrete units mounted on others initially let into slab
US4923118A (en) * 1989-02-21 1990-05-08 Armand Goossens Anti-vibration support system for railroads
EP0621370A1 (en) * 1993-04-22 1994-10-26 Walter Bau-Aktiengesellschaft Method for making a ballastless track structure and the ballastless track structure made by the method
EP0637645A1 (en) 1993-08-02 1995-02-08 Wayss & Freytag Aktiengesellschaft Rigid railroad-base

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014183925A1 (en) * 2013-05-17 2014-11-20 Rail.One Gmbh Concrete sleeper and solid carriageway
CN112695577A (en) * 2020-12-23 2021-04-23 天津大学 Repairing method and chiseling device for wide and narrow joints of CRTSII type slab ballastless track
CN112695577B (en) * 2020-12-23 2022-02-22 天津大学 Repairing method and chiseling device for wide and narrow joints of CRTSII type slab ballastless track

Also Published As

Publication number Publication date
EP0773322B1 (en) 2001-11-28
DE19541491A1 (en) 1997-05-15
ES2167502T3 (en) 2002-05-16
DK0773322T3 (en) 2002-03-25
ATE209730T1 (en) 2001-12-15
DE59608314D1 (en) 2002-01-10
PT773322E (en) 2002-05-31

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