EP0715021A1 - Ballastless track superstructure for at least one railway track - Google Patents

Ballastless track superstructure for at least one railway track Download PDF

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Publication number
EP0715021A1
EP0715021A1 EP95117016A EP95117016A EP0715021A1 EP 0715021 A1 EP0715021 A1 EP 0715021A1 EP 95117016 A EP95117016 A EP 95117016A EP 95117016 A EP95117016 A EP 95117016A EP 0715021 A1 EP0715021 A1 EP 0715021A1
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EP
European Patent Office
Prior art keywords
concrete
rail
reinforcement
track
carriageway slab
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Granted
Application number
EP95117016A
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German (de)
French (fr)
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EP0715021B1 (en
Inventor
Johannes Dipl.-Ing. Dahl
Gerhard Ing.-Grad. Engelke
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Hochtief AG
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Hochtief AG
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/40Slabs; Blocks; Pot sleepers; Fastening tie-rods to them
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/005Making of concrete parts of the track in situ
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00Characteristics of the track and its foundations
    • E01B2204/06Height or lateral adjustment means or positioning means for slabs, sleepers or rails
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00Characteristics of the track and its foundations
    • E01B2204/09Ballastless systems
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00Characteristics of the track and its foundations
    • E01B2204/10Making longitudinal or transverse sleepers or slabs in situ or embedding them

Definitions

  • the invention relates to a ballastless superstructure system for at least one railroad track consisting of two railroad tracks, in particular for high-speed lines, with a base course, a continuously manufactured concrete carriageway slab and holding devices for the individual railroad tracks, the railroad tracks being fastened in the holding devices with the aid of rail fastening devices.
  • prefabricated concrete carriageway slabs are arranged on the base layer with the interposition of a compensating layer, which have longitudinally arranged receiving devices for the individual rail tracks and their rail fastening devices .
  • the receiving devices consist of upstands formed on the prefabricated concrete carriageway slabs and raised contact surfaces for the rail fastening devices compared to the surface of the concrete carriageway slabs.
  • the known embodiment does not meet the tolerance requirements, which have to be set in particular for high-speed lines, which is based on the fact that large prefabricated concrete pavement slabs cannot be laid with low tolz.
  • the known measures are also complex in terms of production technology and assembly technology.
  • ballastless superstructure system (DE 23 54 960 B2), in which the concrete carriageway slab, which can be made in in-situ concrete or can be composed of prefabricated elements, has long-running grooves, into which U-shaped receiving devices made of concrete are inserted at a distance from one another that accommodate the rail fasteners and rails.
  • the invention is based on the technical problem of specifying a ballastless superstructure system for at least one railroad track which can be easily manufactured with low tolerances and in particular meets all the requirements that have to be met for high-speed lines.
  • the ballastless superstructure system according to the invention is erected in in-situ concrete.
  • the proven manufacturing methods and manufacturing facilities of modern road construction can be used, namely road pavers for concrete roadways in road construction.
  • concrete carriageway slabs are also used in the context of the invention.
  • the rail base elements are also concreted in, because appropriate units can easily be installed in a conventional paver. Since the rail base elements are concreted in, they easily absorb shear stresses in the direction of the track and transversely to it, without having to accept an impairment of tolerance and corresponding displacements or displacements.
  • the rail base elements can be prefabricated, and that from a wide variety of materials.
  • the rail base elements will be manufactured in in-situ concrete.
  • the invention teaches that the rail base elements are made of in-situ concrete and are concreted into the top layer of the concrete carriageway slab in the manufacture thereof. It is understood that a concrete with high strength is used.
  • the invention recommends providing the recesses with oblique recess walls and supporting the rail fastening devices on them with complementary inclined surfaces.
  • the concrete carriageway slab and possibly also the base course can be provided with a sound-absorbing cover, from which only the cavity walls and the cavity floor protrude.
  • the sound absorbing cover can be made of rubber or plastic.
  • FIGS. 1 and 2 together explain a ballastless superstructure system for at least one railroad track from two railroad tracks 1, which superstructure system is set up in particular for high-speed lines.
  • a base layer 2 a continuously manufactured concrete slab 3 and receiving devices 4 are provided for the individual rail tracks 1.
  • the railroad tracks 1 are fastened in the holding devices 4 with the aid of rail fastening devices 5.
  • the concrete carriageway slab 3 consists of two layers 6, 7 made one on top of the other, between which a reinforcement 8 made of reinforcement bars running longitudinally and transversely in the direction of the track is arranged.
  • the concrete of the concrete carriageway slab 3 is integrally bonded, ie monolithically without a joint, in the reinforcement meshes 9, which form the spaced-apart reinforcement bars.
  • the receiving devices are designed as rail support elements 4, which are concreted into the upper layer 7 of the concrete carriageway slab 3 and anchored with reinforcement components in the form of reinforcement loops 10 or reinforcement baskets 11 in both layers 6, 7 of the concrete carriageway slab 3.
  • the rail base elements 4 have recesses 12 on their upper side, in which the rail fastening devices 5 and the rail feet 13 of the individual rail rails 1 fastened therein are arranged.
  • the rail fastening devices 5 and thus the rail feet 13 are by means of rail fastening screws 14 in the manner of sleeper screws, which in the rail base elements 4 are screwed in, held in the cavities 12. It goes without saying that dowels 15 are regularly inserted into the rail support elements 4 for screwing in the rail fastening screws 14.
  • the base layer 2 is set up according to the rules of architecture to accommodate the static and dynamic stresses.
  • At least the upper 7 of the two layers 6, 7 of the concrete carriageway slab 3 is designed as a fiber-reinforced concrete layer.
  • the rail base elements 4 are manufactured together with the continuous production of the entire ballast-free superstructure system from in-situ concrete and are concreted into the upper layer of the concrete carriageway slab 3.
  • Fig. 1 indicates in the rear part that the concrete slab 3 and the base layer 2 are provided with a sound-absorbing cover 18, from which only the chamber walls 16 and the chamber floor 19 protrude.
  • FIG. 3 If one looks at FIG. 3, one can see a formwork 20 that is set up and determined during manufacture of a track system according to the invention to manufacture the rail base elements 4 from in-situ concrete. It goes without saying that the in-situ concrete is introduced into the formwork interior. In the exemplary embodiment, it is already filled in. It was identified by appropriate hatching. It can be seen that reinforcement components in the form of reinforcement loops 10, which are anchored in both layers 6, 7 of the concrete carriageway slab 3, protrude into the interior of the mold. The formwork 20 carries on spring clips 21 dowels 15 for the sleeper screws 14. It is understood that after concreting the rail base elements 4 in the course of producing the upper layer 7 of the concrete carriageway slab 3, the formwork elements are implemented. If one looks at FIG.
  • Fig. 6 illustrates that a ballastless superstructure system according to the invention can be continuously manufactured in a simple manner.
  • the figure shows the scheme of a appropriate facility. The direction of work was indicated by arrows.
  • the height-adjustable undercarriages 27, which are set up to set the thickness of the concrete carriageway slab 3, and also the thickness of the individual layers 6, 7, can also be seen.
  • the paver 25 is equipped with a driver's station 28, and it has a base frame 29 which is connected by traverses is. Installed in this system are the dowel casters 30, a device 31 for the introduction of the longitudinal reinforcement 32 with a supply roller 33 and a device 34 for the introduction of the transverse reinforcement 35 with a storage chamber 36.
  • the concrete of the upper layer 7 is installed with a subsequent road smoother 37 also recognizes a device 38 for pressing in the loop reinforcements 10, with which the rail support elements 4 are anchored to the two layers 6, 7 of the concrete carriageway slab 3. If not loop reinforcements 10 but reinforcement cages 11 are used, as they were shown in FIG.
  • a device is connected instead of the device 38, which first introduces the undercut holes 22 into the concrete carriageway slab 3 and rinses them out or blows freely into which the reinforcement cages 11 are then inserted when the formwork 20 already described is positioned for the rail support elements 4.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Road Paving Structures (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The system includes a concrete track plate which consists of two layers formed one on the other, and between which is located a reinforcement made of reinforcing rods which run in the track direction and at right angles to it. The concrete of the layers of the track plate is materially bonded into the reinforcement mesh. The retaining units are constructed as rail support point elements which are connected into the upper layer of the concrete track plate and are anchored in both layers by reinforcing components.

Description

Die Erfindung betrifft ein schotterloses Oberbausystem für zumindest ein Eisenbahngleis aus zwei Eisenbahnschienen, insbesondere für Hochgeschwindigkeitsstrecken, - mit einer Tragschicht, einer kontinuierlich gefertigten Betonfahrbahnplatte und Aufnahmeeinrichtungen für die einzelnen Eisenbahnschienen, wobei die Eisenbahnschienen mit Hilfe von Schienenbefestigungsvorrichtungen in den Aufnahmeeinrichtungen befestigt sind.The invention relates to a ballastless superstructure system for at least one railroad track consisting of two railroad tracks, in particular for high-speed lines, with a base course, a continuously manufactured concrete carriageway slab and holding devices for the individual railroad tracks, the railroad tracks being fastened in the holding devices with the aid of rail fastening devices.

Bei dem bekannten schotterlosen Oberbausystem, von dem die Erfindung ausgeht (DE 23 54 958 B2), sind auf der Tragschicht unter Zwischenschaltung einer Ausgleichsschicht bis zu 6 m lange vorgefertigte Betonfahrbahnplatten angeordnet, die in Längsrichtung gereiht angeordnete Aufnahmeeinrichtungen für die einzelnen Eisenbahnschienen und deren Schienenbefestigungsvorrichtungen aufweisen. Die Aufnahmeeinrichtungen bestehen aus an die vorgefertigten Betonfahrbahnplatten angeformten Aufkantungen und gegenüber der Oberfläche der Betonfahrbahnplatten erhöhten Auflageflächen für die Schienenbefestigungsvorrichtungen. Die bekannte Ausführungsform genügt nicht den Tolerenzanforderungen, die insbesondere bei Hochgeschwindigkeitsstrecken gestellt werden müssen, was darauf beruht, daß große vorgefertigte Betonfahrbahnplatten nicht ausreichend tolzenzarm verlegt werden können. Die bekannten Maßnahmen sind außerdem in herstellungstechnischer und montagetechnischer Hinsicht aufwendig. Ohne weiteres sind die beschriebenen Bauteile unter Berücksichtigung der hohen Beanspruchungen nicht hinreichend schub- und druckfest miteinander verbunden, was störende Toleranzveränderungen auslösen kann. Ähnlich liegen die Verhältnisse bei einem schotterlosen Oberbausystem (DE 23 54 960 B2), bei dem die Betonfahrbahnplatte, die in Ortbeton hergestellt oder aus vorgefertigten Elementen zusammengesetzt sein kann, langlaufende Nuten aufweist, in die mit Abstand voneinander U-förmige Aufnahmeeinrichtungen aus Beton eingesetzt sind, welche die Schienenbefestigungsvorrichtungen und die Schienen aufnehmen.In the known ballast-free superstructure system from which the invention is based (DE 23 54 958 B2), prefabricated concrete carriageway slabs are arranged on the base layer with the interposition of a compensating layer, which have longitudinally arranged receiving devices for the individual rail tracks and their rail fastening devices . The receiving devices consist of upstands formed on the prefabricated concrete carriageway slabs and raised contact surfaces for the rail fastening devices compared to the surface of the concrete carriageway slabs. The known embodiment does not meet the tolerance requirements, which have to be set in particular for high-speed lines, which is based on the fact that large prefabricated concrete pavement slabs cannot be laid with low tolz. The known measures are also complex in terms of production technology and assembly technology. Without further ado, they are described Components, taking into account the high loads, are not connected to one another with sufficient shear and pressure resistance, which can trigger disturbing changes in tolerance. The situation is similar in the case of a ballastless superstructure system (DE 23 54 960 B2), in which the concrete carriageway slab, which can be made in in-situ concrete or can be composed of prefabricated elements, has long-running grooves, into which U-shaped receiving devices made of concrete are inserted at a distance from one another that accommodate the rail fasteners and rails.

Der Erfindung liegt das technische Problem zugrunde, ein schotterloses Oberbausystem für zumindest ein Eisenbahngleis anzugeben, welches unschwer toleranzarm hergestellt werden kann und insbesondere allen Anforderungen genügt, die bei Hochgeschwindigkeitsstrecken gestellt werden müssen.The invention is based on the technical problem of specifying a ballastless superstructure system for at least one railroad track which can be easily manufactured with low tolerances and in particular meets all the requirements that have to be met for high-speed lines.

Zur Lösung dieses technischen Problems ist Gegenstand der Erfindung ein schotterloses Oberbausystem für zumindest ein Eisenbahngleis aus zwei Eisenbahnschienen, insbesondere für Hochgeschwindigkeitsstrecken, - mit
   einer Tragschicht,
   einer kontinuierlich gefertigten Betonfahrbahnplatte und
   Aufnabmeeinrichtungen für die einzelnen Eisenbahnschienen,
wobei die Eisenbahnschienen mit Hilfe von Schienenbefestigungsvorrichtungen in den Aufnahmeeinrichtungen befestigt sind, mit den folgenden Merkmalen:

  • 1.1) die Betonfahrbahnplatte besteht aus zwei aufeinander gefertigten Schichten, zwischen denen eine Bewehrung aus in Gleisrichtung laufenden und quer dazu laufenden Bewehrungsstäben angeordnet ist, wobei der Beton der Schichten der Betonfahrbahnplatte in den Bewehrungsmaschen stoffschlüssig verbunden ist,
  • 1.2) die Aufnahmeeinrichtungen sind als Schienenstützpunktelemente ausgeführt, die in die obere Schicht der Betonfahrbahnplatte einbetoniert und mit Bewehrungsbauteilen in Form von Bewehrungsschlaufen oder Bewehrungskörben in beiden Schichten der Betonfahrbahnplatte verankert sind,
  • 1.3) die Schienenstützpunktelemente besitzen auf ihrer Oberseite Auskammerungen, in denen die Schienenbefestigungsvorrichtungen und darin befestigte Schienenfüße der einzelnen Eisenbahnschienen angeordnet sind,
  • 1.4) die Schienenbefestigungsvorrichtungen und damit die Schienenfüße sind mit Hilfe von Schienenbefestigungsschrauben nach Art von Schwellenschrauben, die in die Schienenstützpunktelemente eingeschraubt sind, in den Auskammerungen gehalten,
wobei die Tragschicht nach den Regeln der Baukunst zur Aufnahme der statischen und dynamischen Beanspruchungen eingerichtet ist. Ihr Aufbau richtet sich nach dem Untergrund. Die Tragschicht weist die erforderlichen Zuschlagstoffe auf und ist zumeist zementgebunden. Im allgemeinen ist bei dem erfindungsgemäßen schotterlosen Oberbausystem zumindest die obere der beiden Schichten der Betonfahrbahnplatte als faserbewehrte Betonschicht ausgeführt. Auf diese Weise kann unkontrollierte Rißbildung unter den aufzunehmenden statischen, dynamischen thermischen Beanspruchungen in der oberen Schicht der Betonfahrbahnplatte sicher verhindert werden, so daß die eingerichteten Toleranzen nicht durch unkontrollierte Rißbildungen verschlechtert werden.To solve this technical problem, the subject matter of the invention is a ballastless superstructure system for at least one railroad track consisting of two railroad tracks, in particular for high-speed lines
a base course,
a continuously manufactured concrete slab and
Recording devices for the individual railroad tracks,
the railroad tracks being fastened in the receiving devices with the aid of rail fastening devices, having the following features:
  • 1.1) the concrete carriageway slab consists of two layers, one on top of the other, between which a reinforcement consisting of reinforcement bars running in the direction of the track and running at right angles to it is arranged, the concrete of the layers of the concrete carriageway slab being integrally bonded in the reinforcement mesh
  • 1.2) the receiving devices are designed as rail support elements which are concreted into the upper layer of the concrete carriageway slab and anchored with reinforcement components in the form of reinforcement loops or reinforcement baskets in both layers of the concrete carriageway slab,
  • 1.3) the rail base elements have cavities on their top, in which the rail fastening devices and rail feet of the individual rail rails fastened therein are arranged,
  • 1.4) the rail fastening devices and thus the rail feet are held in the cavities with the aid of rail fastening screws in the manner of sleeper screws which are screwed into the rail support elements,
the base layer is set up according to the rules of architecture for absorbing the static and dynamic loads. Their structure depends on the underground. The base course has the required aggregates and is mostly cement-bound. In general, in the ballastless superstructure system according to the invention, at least the upper of the two layers of the concrete carriageway slab is designed as a fiber-reinforced concrete layer. In this way, uncontrolled crack formation under the static, dynamic thermal stresses to be absorbed in the upper layer of the concrete carriageway slab can be reliably prevented, so that the tolerances set up are not worsened by uncontrolled crack formation.

Das erfindungsgemäße schotterlose Oberbausystem wird in Ortbeton errichtet. Dabei kann auf die bewährten Fertigungsmethoden und Fertigungseinrichtungen des modernen Straßenbaus zurückgegriffen werden, nämlich auf Straßenfertiger für Betonfahrbahnen im Straßenbau. Daher wird im Rahmen der Erfindung auch von Betonfahrbahnplatten gesprochen. Einfach ist auch das Einbetonieren der Schienenstützpunktelemente, weil entsprechende Aggregate in einen üblichen Straßenfertiger leicht eingebaut werden können. Da die Schienenstützpunktelemente einbetoniert sind, nehmen sie Schubbeanspruchungen in Gleisrichtung und quer dazu ohne weiteres auf, ohne daß eine Toleranzbeeinträchtigung und entsprechende Versetzungen oder Verschiebungen in Kauf genommen werden müssen.The ballastless superstructure system according to the invention is erected in in-situ concrete. Here, the proven manufacturing methods and manufacturing facilities of modern road construction can be used, namely road pavers for concrete roadways in road construction. For this reason, concrete carriageway slabs are also used in the context of the invention. The rail base elements are also concreted in, because appropriate units can easily be installed in a conventional paver. Since the rail base elements are concreted in, they easily absorb shear stresses in the direction of the track and transversely to it, without having to accept an impairment of tolerance and corresponding displacements or displacements.

Im Rahmen der Erfindung können die Schienenstützpunktelemente vorgefertigt werden, und zwar aus den verschiedensten Werkstoffen. Insbesondere und vorzugsweise werden die Schienenstützpunktelemente in Ortbeton hergestellt werden. Dazu lehrt die Erfindung, daß die Schienenstützpunktelemente aus Ortbeton gefertigt und bei der Herstellung der oberen Schicht der Betonfahrbahnplatte in diese einbetoniert sind. Es versteht sich, daß insoweit mit einem Beton hoher Festigkeit gearbeitet wird. Aus montagetechnischen Gründen in bezug auf die Montage der Schienenbefestigungsvorrichtungen empfiehlt die Erfindung, die Auskammerungen mit schrägen Auskammerungswänden zu versehen und die Schienenbefestigungsvorrichtungen an diesen mit komplementären Schrägflächen abzustützen. Die Betonfahrbahnplatte und ggf. auch die Tragschicht können mit einer schallabsorbierenden Abdeckung versehen sein, aus der lediglich die Auskammerungswände und der Auskammerungsboden hervorragen. Die schallabsorbierende Abdeckung kann aus Gummi oder Kunststoff bestehen.In the context of the invention, the rail base elements can be prefabricated, and that from a wide variety of materials. In particular and preferably, the rail base elements will be manufactured in in-situ concrete. To this end, the invention teaches that the rail base elements are made of in-situ concrete and are concreted into the top layer of the concrete carriageway slab in the manufacture thereof. It is understood that a concrete with high strength is used. For reasons of assembly technology in relation to the assembly of the rail fastening devices, the invention recommends providing the recesses with oblique recess walls and supporting the rail fastening devices on them with complementary inclined surfaces. The concrete carriageway slab and possibly also the base course can be provided with a sound-absorbing cover, from which only the cavity walls and the cavity floor protrude. The sound absorbing cover can be made of rubber or plastic.

Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung ausführlicher erläutert. Es zeigen

Fig. 1
perspektivisch und bezüglich der einzelnen Herstellungsstufen auseinandergezogen einen Ausschnitt aus einem erfindungsgemäßen schotterlosen Oberbausystem, ausschnittsweise und ohne Eisenbahngleis,
Fig. 2
einen Querschnitt durch ein erfindungsgemäßes Oberbausystem mit eingebautem Eisenbahngleis,
Fig. 3
in gegenüber der Fig. 2 wesentlich vergrößertem Maßstab im Bereich A der Fig. 2 die Erläuterung von herstellungstechnischen Maßnahmen bei einem erfindungsgemäßen Oberbausystem,
Fig. 4
entsprechend und im Maßstab der Fig. 3 die Erläuterung von anderen herstellungstechnischen Maßnahmen von einem erfindungsgemäßen Oberbausystem,
Fig. 5
in einem Querschnitt entsprechend der Fig. 2 Einzelheiten zur Schienenbefestigungsvorrichtung bei einem erfindungsgemäßen Oberbausystem und
Fig. 6
in der Seitenansicht schematisch einen Fahrbahnfertiger, der zur Herstellung eines erfindungsgemäßen schotterlosen Oberbausystems geeignet ist.
In the following, the invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment. Show it
Fig. 1
perspectively and with respect to the individual manufacturing stages, a section of a ballastless track system according to the invention, in sections and without a railway track,
Fig. 2
2 shows a cross section through a track system according to the invention with a built-in railway track,
Fig. 3
on a significantly enlarged scale compared to FIG. 2 in area A of FIG. 2, the explanation of production engineering measures in a superstructure system according to the invention,
Fig. 4
3, the explanation of other manufacturing measures of a superstructure system according to the invention,
Fig. 5
in a cross section corresponding to FIG. 2 details of the rail fastening device in a track system according to the invention and
Fig. 6
in the side view schematically a road paver, which is suitable for producing a ballastless track system according to the invention.

Die Fig. 1 und 2 erläutern gemeinsam ein schotterloses Oberbausystem für zumindest ein Eisenbahngleis aus zwei Eisenbahnschienen 1, welches Oberbausystem insbesondere für Hochgeschwindigkeitsstrecken eingerichtet ist. Aus einer vergleichenden Betrachtung der Fig. 1 und 2 entnimmt man zunächst, daß eine Tragschicht 2, eine kontinuierlich gefertigte Betonfahrbahnplatte 3 und Aufnahmeeinrichtungen 4 für die einzelnen Eisenbahnschienen 1 vorgesehen sind. Die Eisenbahnschienen 1 sind mit Hilfe von Schienenbefestigungsvorrichtungen 5 in den Aufnahmeeinrichtungen 4 befestigt. Die Betonfahrbahnplatte 3 besteht aus zwei aufeinander gefertigten Schichten 6, 7, zwischen denen eine Bewehrung 8 aus in Gleisrichtung längslaufenden und querlaufenden Bewehrungsstäben angeordnet ist. Der Beton der Betonfahrbahnplatte 3 ist in den Bewehrungsmaschen 9, die die beabstandeten Bewehrungsstäbe bilden, stoffschlüssig, d. h. monolithisch ohne Fuge, verbunden. Die Aufnahmeeinrichtungen sind als Schienenstützpunktelemente 4 ausgeführt, die in die obere Schicht 7 der Betonfahrbahnplatte 3 einbetoniert und mit Bewehrungsbauteilen in Form von Bewehrungsschlaufen 10 oder Bewehrungskörben 11 in beiden Schichten 6, 7 der Betonfahrbahnplatte 3 verankert sind. Die Schienenstützpunktelemente 4 besitzen auf ihrer Oberseite Auskammerungen 12, in denen die Schienenbefestigungsvorrichtungen 5 und die darin befestigten Schienenfüße 13 der einzelnen Eisenbahnschienen 1 angeordnet sind. Die Schienenbefestigungsvorrichtungen 5 und damit die Schienenfüße 13 sind mit Hilfe von Schienenbefestigungsschrauben 14 nach Art von Schwellenschrauben, die in die Schienenstützpunktelemente 4 eingeschraubt sind, in den Auskammerungen 12 gehalten. Es versteht sich, daß zum Einschrauben der Schienenbefestigungsschrauben 14 regelmäßig Dübel 15 in die Schienenstützpunktelemente 4 eingesetzt sind.1 and 2 together explain a ballastless superstructure system for at least one railroad track from two railroad tracks 1, which superstructure system is set up in particular for high-speed lines. From a comparative view of FIGS. 1 and 2, it can first be seen that a base layer 2, a continuously manufactured concrete slab 3 and receiving devices 4 are provided for the individual rail tracks 1. The railroad tracks 1 are fastened in the holding devices 4 with the aid of rail fastening devices 5. The concrete carriageway slab 3 consists of two layers 6, 7 made one on top of the other, between which a reinforcement 8 made of reinforcement bars running longitudinally and transversely in the direction of the track is arranged. The concrete of the concrete carriageway slab 3 is integrally bonded, ie monolithically without a joint, in the reinforcement meshes 9, which form the spaced-apart reinforcement bars. The receiving devices are designed as rail support elements 4, which are concreted into the upper layer 7 of the concrete carriageway slab 3 and anchored with reinforcement components in the form of reinforcement loops 10 or reinforcement baskets 11 in both layers 6, 7 of the concrete carriageway slab 3. The rail base elements 4 have recesses 12 on their upper side, in which the rail fastening devices 5 and the rail feet 13 of the individual rail rails 1 fastened therein are arranged. The rail fastening devices 5 and thus the rail feet 13 are by means of rail fastening screws 14 in the manner of sleeper screws, which in the rail base elements 4 are screwed in, held in the cavities 12. It goes without saying that dowels 15 are regularly inserted into the rail support elements 4 for screwing in the rail fastening screws 14.

Bei dem beschriebenen schotterlosen Oberbausystem ist die Tragschicht 2 nach den Regeln der Baukunst zur Aufnahme der statischen und dynamischen Beanspruchungen eingerichtet. Zumindest die obere 7 der beiden Schichten 6, 7 der Betonfahrbahnplatte 3 ist als faserbewehrte Betonschicht ausgeführt. Die Schienenstützpunktelemente 4 sind zusammen mit der kontinuierlichen Fertigung des gesamten schotterlosen Oberbausystems aus Ortbeton gefertigt und bei der Herstellung der oberen Schicht der Betonfahrbahnplatte 3 in diese einbetoniert.In the described ballastless superstructure system, the base layer 2 is set up according to the rules of architecture to accommodate the static and dynamic stresses. At least the upper 7 of the two layers 6, 7 of the concrete carriageway slab 3 is designed as a fiber-reinforced concrete layer. The rail base elements 4 are manufactured together with the continuous production of the entire ballast-free superstructure system from in-situ concrete and are concreted into the upper layer of the concrete carriageway slab 3.

Aus der Fig. 5 entnimmt man, daß die Auskammerungen 12 schräge Auskammerungswände 16 aufweisen und die Schienenbefestigungsvorrichtungen 5 an diesen mit komplementären Schrägflächen 17 abgestützt sind, so daß eine toleranzarme Verspannung erfolgen kann. Die Fig. 1 deutet im rückwärtigen Teil an, daß die Betonfahrbahnplatte 3 und auch die Tragschicht 2 mit einer schallabsorbierenden Abdeckung 18 versehen sind, aus der lediglich die Auskammerungswände 16 und der Auskammerungsboden 19 hervorragen.5 that the recesses 12 have inclined recess walls 16 and the rail fastening devices 5 are supported thereon with complementary inclined surfaces 17, so that a tolerance tolerance can take place. Fig. 1 indicates in the rear part that the concrete slab 3 and the base layer 2 are provided with a sound-absorbing cover 18, from which only the chamber walls 16 and the chamber floor 19 protrude.

Betrachtet man die Fig. 3, so erkennt man eine Schalung 20 die eingerichtet und bestimmt ist, bei der Herstellung eines erfindungsgemäßen Oberbausystems die Schienenstützpunktelemente 4 aus Ortbeton zu fertigen. Es versteht sich, daß der Ortbeton in den Schalungsinnenraum eingeführt wird. Im Ausführungsbeispiel ist er bereits eingefüllt. Er wurde durch entsprechende Schraffierung kenntlich gemacht. Man erkennt, daß Bewehrungsbauteile in Form von Bewehrungsschlaufen 10, die in beiden Schichten 6, 7 der Betonfahrbahnplatte 3 verankert sind, in den Forminnenraum hineinragen. Die Schalung 20 trägt an Federklemmen 21 Dübel 15 für die Schwellenschrauben 14. Es versteht sich, daß nach dem Betonieren der Schienenstützpunktelemente 4 im Zuge der Herstellung der oberen Schicht 7 der Betonfahrbahnplatte 3 die Schalungselemente umgesetzt werden. Betrachtet man die Fig. 4, so erkennt man, wie verfahren wird, wenn nicht Bewehrungsschlaufen 10, sondern Bewehrungskörbe 11 eingesetzt werden. Hier ist in die Betonfahrbahnplatte 3 zunächst eine Bohrung 22 mit Hinterschneidung 23 eingebracht, in die an der Schalung 20 für die Schienenstützpunktelemente 4 befestigte Bewehrungskörbe 11 eingeführt werden. Hier ist die Betonierung noch nicht erfolgt. Man erkennt, daß sie unschwer durchgeführt werden kann. Zwischen den beiden Bewehrungskörben 11 ist ein Bereich 24 der Betonfahrbahnplatte 3 stehengeblieben, und zwar um eine sichere Verankerung des Betons für die Schienenstützpunktelemente 4 in diesem Bereich zu bewirken.If one looks at FIG. 3, one can see a formwork 20 that is set up and determined during manufacture of a track system according to the invention to manufacture the rail base elements 4 from in-situ concrete. It goes without saying that the in-situ concrete is introduced into the formwork interior. In the exemplary embodiment, it is already filled in. It was identified by appropriate hatching. It can be seen that reinforcement components in the form of reinforcement loops 10, which are anchored in both layers 6, 7 of the concrete carriageway slab 3, protrude into the interior of the mold. The formwork 20 carries on spring clips 21 dowels 15 for the sleeper screws 14. It is understood that after concreting the rail base elements 4 in the course of producing the upper layer 7 of the concrete carriageway slab 3, the formwork elements are implemented. If one looks at FIG. 4, one can see how to proceed if reinforcement cages 11 are used instead of reinforcement loops 10. Here, a bore 22 with an undercut 23 is first made in the concrete carriageway slab 3, into which reinforcement cages 11 fastened to the formwork 20 for the rail base elements 4 are inserted. The concreting has not yet taken place here. It can be seen that it can be carried out easily. A region 24 of the concrete carriageway slab 3 has remained between the two reinforcement cages 11, specifically in order to bring about a secure anchoring of the concrete for the rail base elements 4 in this region.

Die Fig. 6 verdeutlicht, daß ein erfindungsgemäßes schotterloses Oberbausystem auf einfache Weise kontinuierlich gefertigt werden kann. Die Figur zeigt das Schema einer entsprechenden Einrichtung. Die Arbeitsrichtung wurde durch Pfeile angedeutet. Man erkennt an der linken Seite der Fig. 6 am vorderen Ende des Fertigers 25 einen Aufnahmetrichter 26 für den Beton, der über geeignete Einrichtungen bei marschierendem Fertiger 25 als Unterschicht 6 bzw. Oberschicht 7 der Betonfahrbahnplatte 3 eingebracht wird, untere Schicht 6 und obere Schicht 7 mit räumlichem und zeitlichem Abstand. Man erkennt fernerhin die höhenverstellbaren Fahrwerke 27, die eingerichtet sind, um die Dicke der Betonfahrbahnplatte 3 einzustellen und auch die Dicke der einzelnen Schichten 6, 7. Der Fertiger 25 ist mit einem Fahrerstand 28 ausgerüstet, er besitzt einen Grundrahmen 29, der durch Traversen verbunden ist. Eingebaut in dieses System sind der Dübelbesetzer 30, eine Einrichtung 31 für das Einbringen der Längsbewehrung 32 mit Vorratsrolle 33 und eine Einrichtung 34 für das Einbringen der Querbewehrung 35 mit Vorratskammer 36. Der Einbau des Betons der oberen Schicht 7 erfolgt mit nachgeschaltetem Fahrbahnglätter 37. Man erkennt außerdem eine Einrichtung 38 zum Eindrücken der Schlaufenbewehrungen 10, mit denen die Schienenstützpunktelemente 4 mit den beiden Schichten 6, 7 der Betonfahrbahnplatte 3 verankert werden. Sollen nicht Schlaufenbewehrungen 10 sondern Bewehrungskörbe 11 eingesetzt werden, wie sie in Fig. 4 dargestellt wurden, so wird anstelle der Einrichtung 38 eine Einrichtung angeschlossen, die in die Betonfahrbahnplatte 3 zunächst die hinterschnittenen Bohrungen 22 einbringt und freispült oder freibläst, in die danach die Bewehrungskörbe 11 eingesetzt werden, wenn die schon beschriebenen Schalungen 20 für die Schienenstützpunktelemente 4 positioniert werden.Fig. 6 illustrates that a ballastless superstructure system according to the invention can be continuously manufactured in a simple manner. The figure shows the scheme of a appropriate facility. The direction of work was indicated by arrows. On the left-hand side of FIG. 6, at the front end of the paver 25, there is a receiving funnel 26 for the concrete, which is introduced as a lower layer 6 or upper layer 7 of the concrete carriageway slab 3 via suitable devices when the paver 25 is marching, the lower layer 6 and the upper layer 7 with spatial and temporal distance. The height-adjustable undercarriages 27, which are set up to set the thickness of the concrete carriageway slab 3, and also the thickness of the individual layers 6, 7, can also be seen. The paver 25 is equipped with a driver's station 28, and it has a base frame 29 which is connected by traverses is. Installed in this system are the dowel casters 30, a device 31 for the introduction of the longitudinal reinforcement 32 with a supply roller 33 and a device 34 for the introduction of the transverse reinforcement 35 with a storage chamber 36. The concrete of the upper layer 7 is installed with a subsequent road smoother 37 also recognizes a device 38 for pressing in the loop reinforcements 10, with which the rail support elements 4 are anchored to the two layers 6, 7 of the concrete carriageway slab 3. If not loop reinforcements 10 but reinforcement cages 11 are used, as they were shown in FIG. 4, a device is connected instead of the device 38, which first introduces the undercut holes 22 into the concrete carriageway slab 3 and rinses them out or blows freely into which the reinforcement cages 11 are then inserted when the formwork 20 already described is positioned for the rail support elements 4.

Claims (5)

Schotterloses Oberbausystem für zumindest ein Eisenbahngleis aus zwei Eisenbahnschienen, insbesondere für Hochgeschwindigkeitsstrecken, - mit
   einer Tragschicht,
   einer kontinuierlich gefertigten Betonfahrbahnplatte und
   Aufnahmeeinrichtungen für die einzelnen Eisenbahnschienen,
wobei die Eisenbahnschienen mit Hilfe von Schienenbefestigungsvorrichtungen in den Aufnahmeeinrichtungen befestigt sind, mit den folgenden Merkmalen: 1.1) die Betonfahrbahnplatte besteht aus zwei aufeinander gefertigten Schichten, zwischen denen eine Bewehrung aus in Gleisrichtung laufenden und quer dazu laufenden Bewehrungsstäben angeordnet ist, wobei der Beton der beiden Schichten der Betonfahrbahnplatte in den Bewehrungsmaschen stoffschlüssig verbunden ist, 1.2) die Aufnahmeeinrichtungen sind als Schienenstützpunktelemente ausgeführt, die in die obere Schicht der Betonfahrbahnplatte einbetoniert und mit Bewehrungsbauteilen in Form von Bewehrungsschlaufen oder Bewehrungskörben in beiden Schichten der Betonfahrbahnplatte verankert sind, 1.3) die Schienenstützpunktelemente besitzen auf ihrer Oberseite Auskammerungen, in denen die Schienenbefestigungsvorrichtungen und darin befestigte Schienenfüße der einzelnen Eisenbahnschienen angeordnet sind, 1.4) die Schienenbefestigungsvorrichtungen und damit die Schienenfüße sind mit Hilfe von Schienenbefestigungsschrauben nach Art von Schwellenschrauben, die in die Schienenstützpunktelemente eingeschraubt sind, in den Auskammerungen gehalten, wobei die Tragschicht nach den Regeln der Baukunst zur Aufnahme der statischen und dynamischen Beanspruchungen eingerichtet ist.
Ballastless track system for at least one railroad track consisting of two railroad tracks, in particular for high-speed lines, with
a base course,
a continuously manufactured concrete slab and
Reception facilities for the individual railroad tracks,
the railroad tracks being fastened in the receiving devices with the aid of rail fastening devices, having the following features: 1.1) the concrete carriageway slab consists of two layers, one on top of the other, between which a reinforcement consisting of reinforcement bars running in the direction of the track and running transversely to it is arranged, the concrete of the two layers of the concrete carriageway slab being integrally bonded in the reinforcement mesh, 1.2) the receiving devices are designed as rail base elements, which are concreted into the upper layer of the concrete carriageway slab and are anchored with reinforcement components in the form of reinforcement loops or reinforcement cages in both layers of the concrete carriageway slab, 1.3) the rail base elements have cavities on their top, in which the rail fastening devices and rail feet of the individual rail rails fastened therein are arranged, 1.4) the rail fastening devices and thus the rail feet are held in the cavities with the aid of rail fastening screws in the manner of sleeper screws which are screwed into the rail support elements, the base layer is set up according to the rules of architecture for absorbing the static and dynamic loads.
Oberbausystem nach Anspruch 1, wobei zumindest die obere der beiden Schichten der Betonfahrbahnplatte als faserbewehrte Betonschicht ausgeführt ist.Track system according to claim 1, wherein at least the upper of the two layers of the concrete carriageway slab is designed as a fiber-reinforced concrete layer. Oberbausystem nach einem der Ansprüche 1 oder 2, wobei die Schienenstützpunktelemente aus Ortbeton gefertigt und bei der Herstellung der oberen Schicht der Betonfahrbahnplatte in diese einbetoniert sind.Track system according to one of claims 1 or 2, wherein the rail base elements made of in-situ concrete and are concreted into the upper layer of the concrete carriageway slab in the manufacture thereof. Oberbausystem nach einem der Ansprüche 1 bis 3, wobei die Auskammerungen schräge Auskammerungswände aufweisen und die Schienenbefestigungsvorrichtung an diesen mit komplementären Schrägflächen abgestützt sind.Track system according to one of claims 1 to 3, wherein the recesses have inclined recess walls and the rail fastening device are supported on these with complementary inclined surfaces. Oberbausystem nach einem der Ansprüche 1 bis 4, wobei die Betonfahrbahnplatte und ggf. auch die Tragschicht mit einer schallabsorbierenden Abdeckung versehen sind, aus der lediglich die Auskammerungswände und der Auskammerungsboden hervorragen.Track system according to one of claims 1 to 4, wherein the concrete carriageway slab and possibly also the base layer are provided with a sound-absorbing cover, from which only the cavity walls and the cavity floor protrude.
EP95117016A 1994-11-30 1995-10-28 Ballastless track superstructure for at least one railway track Expired - Lifetime EP0715021B1 (en)

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DE4442497A DE4442497C2 (en) 1994-11-30 1994-11-30 Ballastless track system for at least one railroad track

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EP1026320A1 (en) * 1999-02-08 2000-08-09 Hochtief Aktiengesellschaft Method for building a ballastless track
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WO2010069586A1 (en) 2008-12-17 2010-06-24 Borealis Ag Improving cumene oxidation
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CN103952953A (en) * 2014-05-18 2014-07-30 中铁十九局集团第二工程有限公司 Ballastless track construction method for turnout zone of viaduct station
CN103952953B (en) * 2014-05-18 2016-06-22 中铁十九局集团第二工程有限公司 Overpass station turnout district Construction of Ballastless Track method

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PL311511A1 (en) 1996-06-10
ES2122421T3 (en) 1998-12-16
CN1133373A (en) 1996-10-16
EP0715021B1 (en) 1998-10-07
DE4442497A1 (en) 1996-06-13
DE59503849D1 (en) 1998-11-12
PL177930B1 (en) 2000-01-31
ATE171987T1 (en) 1998-10-15
DE4442497C2 (en) 1997-04-17
CZ312995A3 (en) 1996-06-12

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