EP1738027A1 - Sleeper frame for a ballasted railway track and method for production thereof - Google Patents

Sleeper frame for a ballasted railway track and method for production thereof

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Publication number
EP1738027A1
EP1738027A1 EP05744523A EP05744523A EP1738027A1 EP 1738027 A1 EP1738027 A1 EP 1738027A1 EP 05744523 A EP05744523 A EP 05744523A EP 05744523 A EP05744523 A EP 05744523A EP 1738027 A1 EP1738027 A1 EP 1738027A1
Authority
EP
European Patent Office
Prior art keywords
sleepers
frame
frame threshold
threshold according
diagonal bars
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
Application number
EP05744523A
Other languages
German (de)
French (fr)
Other versions
EP1738027B1 (en
Inventor
Peter Plica
Sebastian Plica
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Plica Peter Dr Ing
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Plica Peter Dr Ing
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Filing date
Publication date
Application filed by Plica Peter Dr Ing filed Critical Plica Peter Dr Ing
Priority to PL05744523T priority Critical patent/PL1738027T3/en
Publication of EP1738027A1 publication Critical patent/EP1738027A1/en
Application granted granted Critical
Publication of EP1738027B1 publication Critical patent/EP1738027B1/en
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone

Definitions

  • the invention relates to a frame threshold for a railway ballast track consisting of two sleepers with two extending under the rails longitudinal beams and a method for producing this threshold.
  • Monolithic prestressed concrete sleepers consisting of sleepers and under the rails extending longitudinal beams, hereinafter referred to as frame thresholds are known in various embodiments. Their advantages compared to the classic ballast track with sleepers alone are once in the enlarged bearing surface on the gravel, on the other hand in the increased lateral displacement resistance of the single sleepers and in the better horizontal frame support of the track grid.
  • the invention is therefore an object of the invention to provide a frame threshold, in which the boundary conditions for effective plug are simplified and improved, in which the risk of breakage due to distortion of the frame threshold is significantly reduced and which can be produced using existing cross sleeper manufacturing.
  • the invention is based on the recognition that the above-mentioned disadvantages of the frame threshold preferably by a space-saving design of the side members can be eliminated, on the one hand creates a horizontally as rigid as possible connection between the sleepers and on the other hand allows mutual twisting of the sleepers.
  • the side members should be produced later and independently of the cross sleeper production.
  • the truss-like arrangement of the diagonal bars in the threshold floor plan leads to a number of advantages:
  • the wide side rail of known frame thresholds is replaced by at least two diagonal bars, the small footprint of the rail foot width does not exceed substantially for an unobstructed and effective plugging of the sleepers is possible.
  • the plugging of the longitudinal members and thus the risk of unintentional deterioration of the track position is eliminated.
  • the resulting from the horizontal frame effect thrust forces between the sleepers are securely transmitted by acting as truss diagonal bars.
  • the anchoring of the diagonal bars does not take place in the highly stressed support area of the sleepers, but thanks to the diagonal bar spread laterally in less stressed zones.
  • the diagonal bars preferably lie one above the other in two horizontal planes and thus lead to the following characteristics of the frame threshold:
  • the elastic diagonal bars together with the sleepers, form a frame that absorbs large vertical deformations without overloading the individual parts when the sleepers cross each other.
  • the risk of breakage in the presence of local hollow layers is thus significantly reduced.
  • the unwanted tilting of the sleepers about their longitudinal axis under the wheel load is largely eliminated as in known frame thresholds characterized in that 85 - the frame effect prevents mutual rotation of the two connected sleepers.
  • the diagonal bars In response to the tilting of the sleepers tensile and compressive forces arise in the diagonal bars.
  • the force components of the diagonal bars which are directed in the transverse sleeper longitudinal axis, should compensate each other.
  • the diagonal bars In order to achieve this force equalization 90, the diagonal bars must be arranged symmetrically to the track longitudinal axis.
  • the superimposed diagonal bars form a sufficiently large, vertical surface for activating the gravel resistance acting transversely to the track.
  • the transverse displacement resistance of the frame threshold according to the invention remains largely unchanged compared with known embodiments.
  • the uniaxially prestressed sleepers can be prepared beforehand in existing systems. The assembly to a frame threshold takes place in a further production step.
  • the production process according to the invention results in known single steps, e.g. the installation and compression of the diagonal bars to 105 simple operations and low investment for manufacturing.
  • Fig. 1 is a plan view of the frame threshold consisting of two conventional prestressed concrete sleepers and two longitudinal members in the form of 110 superposed, centrally crossing diagonal bars.
  • Fig. 3 shows the schematic diagram of a tiltable manufacturing platform for assembling the sleepers with the diagonal bars.
  • each reinforcing bar is secured by a strong protective tube 5 made of plastic, steel or a combination of both materials against mechanical attack and corrosion, wherein the space between the protective tube 5 and the reinforcing bar to further increase the corrosion resistance are also filled with grout 6 can.
  • thresholds 1 any type of threshold can be used depending on the requirement.
  • the number and size of the diagonal bars 2 to be provided depends on the one hand on the stress on the frame threshold.
  • the position of the tension reinforcement in the sleepers 1 is important because the rohrformigen openings 4 between the individual biasing elements of the sleepers 1 place
  • the protective tubes 5 end in cone-like connecting pieces 7 as a separate part of the rohrformigen openings 4. To seal the joint sealing rings can be provided as a front seal between the connecting pieces 7 and the protective tubes 5. 135 Another embodiment of the frame according to the invention provides to use as rod elements 3 conventional bar steel profiles with appropriate cross-sectional shape. If a scheduled rust removal is already taken into account when selecting the profile, the installation of protective tubes 5 can be omitted.
  • FIG. 3 shows, in a schematic representation, the production platform 8 suitable for the production method 140 according to the invention, on which the already produced cross ties 1 are placed in pairs in an overhead position, wherein the rail supports of the sleepers 1 engage in aligned abutments. Subsequently, if provided, the protective tubes 5 are installed and the rod elements 3 are inserted. 145 With the tilting of the manufacturing platform 9 about the central axis of rotation 9, the weight of the now above-lying cross sleeper acts on the lower supported cross sleeper and generates the necessary pressure for possibly existing sealing rings. About the Verpressmörtelanschluß 10 then the grout 6 is injected increasing from bottom to top. In order to avoid air pockets in the 150 grout 6, the tilt angle of the manufacturing platform 8 should preferably reach at least 45 ° to the horizontal. The ends of the rohrformigen openings 4 are closed after completion of the pressing process with recoverable plug.
  • the production of the rohrformigen openings 4 in the sleepers 1 can be done depending on the production quantity and the position of the clamping reinforcement in the sleepers 1 in different ways.
  • the openings 4 are expediently by mounting parts, such as conventional, corrugated sheaths with special cone-shaped end pieces. 7 created, which are placed in the mold before concreting ..
  • the production of the frame threshold according to the invention is not limited to the method proposed here.
  • the threshold can also be produced by known 170 methods in a one-step process.
  • a preferred, one-stage production method consists of inserting the diagonal bars 2 between two juxtaposed molds and then simultaneously concreting both sleepers.
  • the ends of the diagonal bars 2 projecting through slots in the molds are anchored to the adhesion with the hardening of the cross-sleeper concrete.
  • the production of the openings 4 and the subsequent compression process omitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Bridges Or Land Bridges (AREA)
  • Railway Tracks (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Forging (AREA)

Abstract

The invention relates to a sleeper frame for a ballasted railway track, comprising two transverse sleepers (1) and two longitudinal supports, running under the tracks, whereby each longitudinal support unit comprises at least two diagonal bars (2) arranged in a truss-like manner, lying one over the other in at least two horizontal planes, crossing in the middle between the transverse sleepers (1) and arranged symmetrically about the rail axis. Bar elements (3) are provided as diagonal bars (2) in the form of reinforcement rods or steel bar profiles, anchored in tubular openings (4) in the transverse sleepers (1) with injection mortar (6). The invention further relates to a production method, whereby firstly transverse sleepers (1) of any type are produced in conventional production equipment, then provided with rod elements (3) and further components on an assembly platform (8) and the assembly platform (8) is then tipped through at least 45 DEG and the rod elements (3) pressed in in this position.

Description

RAHMENSCHWELLE FÜR EINEN ΞISENBÄHNSCHOTTEROBERBAU UND VERFAHREN ZU DEREN HERSTELLUNG FRAME SLEEVE FOR A RUBBER SNOWBORDER CONSTRUCTION AND METHOD FOR THE PRODUCTION THEREOF
Beschreibungdescription
Die Erfindung betrifft eine Rahmenschwelle für einen Eisenbahnschotteroberbau bestehend aus zwei Querschwellen mit zwei unter den Schienen verlaufenden Längsträgern und ein Verfahren zur Herstellung dieser Schwelle.The invention relates to a frame threshold for a railway ballast track consisting of two sleepers with two extending under the rails longitudinal beams and a method for producing this threshold.
Monolithische Spannbetonschwellen bestehend aus Querschwellen und unter den Schienen verlaufenden Längsträgern, im folgenden als Rahmenschwellen bezeichnet, sind in verschiedenen Ausführungsformen bekannt. Ihre Vorteile gegenüber dem klassischen Schotteroberbau mit Querschwellen allein bestehen einmal in der vergrößerten Auflagerfläche auf dem Schotter, zum anderen im erhöhten Querverschiebewiderstand der Einzelschwellen und in der besseren horizontalen Rahmentragwirkung des Gleisrostes.Monolithic prestressed concrete sleepers consisting of sleepers and under the rails extending longitudinal beams, hereinafter referred to as frame thresholds are known in various embodiments. Their advantages compared to the classic ballast track with sleepers alone are once in the enlarged bearing surface on the gravel, on the other hand in the increased lateral displacement resistance of the single sleepers and in the better horizontal frame support of the track grid.
Bekannte Ausführungsarten der Rahmenschwelle gemäß DE 19842 312 oder AT 408 774 zeigen allerdings in Hinsicht auf die Stopfarbeiten im Gleis erhebliche Nachteile.However, known embodiments of the frame threshold according to DE 19842 312 or AT 408 774 show considerable disadvantages with regard to the stuffing work in the track.
Üblicherweise werden Querschwellen auf beiden Seiten jeder Schiene durchgehend mit einer auf dem Gleis fahrenden Maschine gestopft. Dabei wird nur der schmale Bereich unter den Schienen nicht erfaßt, weil die von oben angreifenden Stopfpickel diesen Abschnitt nicht erreichen können. Die breiten Längsträger der Rahmenschwellen vergrößern diesen nicht erfaßbaren Bereich und behindern damit die notwendige Schotterverdichtung unter den Querschwellen deutlich stärker. Breite Längsträger bei Rahmenschwellen sind deshalb für die als ersten Arbeitsgang durchzuführende Querschwellenstopfung ungünstig.Usually, sleepers on both sides of each rail are stuffed continuously with a machine moving on the track. In this case, only the narrow area under the rails is not detected, because the attacking from above tamping can not reach this section. The wide side members of the frame thresholds increase this non-detectable area and thus hinder the necessary ballast compaction under the sleepers much stronger. Wide side members with frame thresholds are therefore unfavorable for the first step to be performed cross-threshold clogging.
Darüberhinaus ist bei Rahmenschwellen ein zweiter Stopfvorgang zur Verdichtung des Schotters unter den Längsträgern erforderlich, der mit Hilfe einer zweiten, speziellen Maschine im Anschluß an die Stopfung der Querschwellen vorgenommen wird. Kosten und Zeitbedarf für die Stopfarbeiten werden damit erhöht.Moreover, with frame sleepers, a second stuffing operation is required to densify the ballast under the side members, using a second, special one Machine is made following the tamping of the sleepers. Costs and time required for the tamping work are increased.
- Ein weiterer Nachteil ergibt sich daraus, daß die genaue Höhenlage des Gleises im Zuge der Querschwellenstopfung geschaffen wird. Bei der anschließenden Längsträgerstopfung ist aber eine unbeabsichtigte Anhebung der gesamten Rahmenschwelle durch zu intensives Stopfen möglich. Beide Stopfvorgänge beeinflussen sich also gegenseitig in Hinsicht auf die Höhenlage der Schwellen. Eine Lageverschlechterung des Gleises bei unsachgemäßer Stopfung der Längsträger ist nicht auszuschließen.- Another disadvantage arises from the fact that the exact altitude of the track is created in the wake of the cross-threshold clogging. In the subsequent Längsträgerstopfung but unintentional increase in the overall frame threshold is possible by too intensive plugging. Both stuffing processes thus influence each other in terms of the altitude of the thresholds. A deterioration of the track in case of improper stuffing of the side members can not be excluded.
Als Nachteil monolithischer Rahmenschwellen gilt weiterhin, daß bei schlechter Gleisunterhaltung örtliche Hohllagen auftreten, die zu einer Verwindung des Rahmens bis zu dessen Bruch führen können. Dieser Nachteil kann bisher nur durch eine kräftige, zweiachsige Vorspannung des Rahmens beseitigt werden. Die dazu notwendigen Fertigungseinrichtungen sind jedoch aufwendig und kostensteigernd.Another disadvantage of monolithic frame thresholds is that, in the case of poor track maintenance, local hollow layers occur which can lead to distortion of the frame until it breaks. This disadvantage can be eliminated so far only by a strong, biaxial bias of the frame. However, the necessary manufacturing facilities are consuming and cost-increasing.
Die Fertigung von Rahmenschwellen in Form momolithischer Tragelemente erfordert weiterhin den Bau neuartiger Fertigungseinrichtungen, die eine gleichzeitige, zweiachsige Vorspannung in Längs- und Querrichtung des Rahmens ermöglichen. . Bestehende Anlagen zur Herstellung von Querschwellen sind nicht einsetzbar. Synergieeffekte in der Fertigung sind deshalb nicht möglich.The production of frame sleepers in the form of momolithic support elements also requires the construction of novel manufacturing facilities that allow a simultaneous, two-axis bias in the longitudinal and transverse directions of the frame. , Existing plants for the production of sleepers can not be used. Synergy effects in production are therefore not possible.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Rahmenschwelle zu schaffen, bei der die Randbedingungen für ein wirkungsvolles Stopfen vereinfacht und verbessert sind, bei der die Bruchgefahr infolge einer Verwindung der Rahmenschwelle deutlich reduziert wird und die unter Anwendung vorhandener Querschwellenfertigungen herstellbar ist.The invention is therefore an object of the invention to provide a frame threshold, in which the boundary conditions for effective plug are simplified and improved, in which the risk of breakage due to distortion of the frame threshold is significantly reduced and which can be produced using existing cross sleeper manufacturing.
Die Aufgabe wird durch die Merkmale der Patentansprüche 1 und 9 der Erfindung gelöst.The object is solved by the features of claims 1 and 9 of the invention.
Die Erfindung geht von der Erkenntnis aus, daß die oben genannten Nachteile der Rahmenschwelle vorzugsweise durch eine raumsparende Ausbildung der Längsträger beseitigt werden können, die einerseits horizontal eine möglichst schubsteife Verbindung zwischen den Querschwellen schafft und andererseits eine gegenseitige Verwindung der Querschwellen erlaubt. Außerdem sollen sich die Längsträger - nachträglich und unabhängig von der Querschwellenfertigung herstellen lassen.The invention is based on the recognition that the above-mentioned disadvantages of the frame threshold preferably by a space-saving design of the side members can be eliminated, on the one hand creates a horizontally as rigid as possible connection between the sleepers and on the other hand allows mutual twisting of the sleepers. In addition, the side members should be produced later and independently of the cross sleeper production.
* Mit der in der Erfindung vorgeschlagenen Auflösung des Längsträgers in mehrere, fachwerk- und rahmenartig wirkende Diagonalstäbe läßt sich diese Erkenntnis in folgender Weise verwirklichen. * With the proposed in the invention, the resolution of the longitudinal member in a plurality, truss-like and frame-like acting diagonal bars, this realization can be realized in the following manner.
Die fachwerkartige Anordnung der Diagonalstäbe im Schwellengrundriß führt zu einer Reihe von Vorteilen: - Der breite Längsträger bekannter Rahmenschwellen wird ersetzt durch mindestens zwei Diagonalstäbe, deren geringer Platzbedarf die Schienenfußbreite im wesentlichen nicht überschreitet Damit ist ein unbehindertes und wirksames Stopfen der Querschwellen möglich. Das Stopfen der Längsträger und damit das Risiko einer unbeabsichtigten Verschlechterung der Gleislage entfällt. - Die aus der horizontalen Rahmentragwirkung entstehenden Schubkräfte zwischen den Querschwellen werden durch die als Fachwerk wirkenden Diagonalstäbe sicher übertragen.The truss-like arrangement of the diagonal bars in the threshold floor plan leads to a number of advantages: The wide side rail of known frame thresholds is replaced by at least two diagonal bars, the small footprint of the rail foot width does not exceed substantially for an unobstructed and effective plugging of the sleepers is possible. The plugging of the longitudinal members and thus the risk of unintentional deterioration of the track position is eliminated. - The resulting from the horizontal frame effect thrust forces between the sleepers are securely transmitted by acting as truss diagonal bars.
Die Verankerung der Diagonalstäbe erfolgt nicht im hochbeanspruchten Auflagerbereich der Querschwellen, sondern dank der Diagonalstabspreizung seitlich davon in weniger beanspruchten Zonen.The anchoring of the diagonal bars does not take place in the highly stressed support area of the sleepers, but thanks to the diagonal bar spread laterally in less stressed zones.
In der Vertikalebene liegen die Diagonalstäbe hingegen vorzugsweise übereinander in zwei horizontalen Ebenen und führen damit zu folgenden Eigenschaften der Rahmenschwelle:On the other hand, in the vertical plane, the diagonal bars preferably lie one above the other in two horizontal planes and thus lead to the following characteristics of the frame threshold:
Die elastischen Diagonalstäbe bilden zusammen mit den Querschwellen einen Rahmen, der bei einer gegenseitigen Verwindung der Querschwellen größere Vertikalverformungen ohne Überlastung der Einzelteile aufnimmt. Die Bruchgefahr beim Auftreten von örtlichen Hohllagen wird damit deutlich verringert. Das unerwünschte Kippen der Querschwellen um ihre Längsachse unter der Radlast wird wie bei bekannten Rahmenschwellen weitgehend beseitigt dadurch, daß 85 - die Rahmenwirkung eine gegenseitige Verdrehung der beiden angeschlossenen Querschwellen verhindert.The elastic diagonal bars, together with the sleepers, form a frame that absorbs large vertical deformations without overloading the individual parts when the sleepers cross each other. The risk of breakage in the presence of local hollow layers is thus significantly reduced. The unwanted tilting of the sleepers about their longitudinal axis under the wheel load is largely eliminated as in known frame thresholds characterized in that 85 - the frame effect prevents mutual rotation of the two connected sleepers.
Als Reaktion auf das Kippen der Querschwellen entstehen in den Diagonalstäben Zug- und Druckkräfte. Die in Querschwellenlängsachse gerichteten Kraftkomponenten der Diagonalstäbe sollten sich dabei gegenseitig ausgleichen. Um diesen Kraftaus- 90 gleich zu erreichen, müssen die Diagonalstäbe symmetrisch zur Gleislängsachse angeordnet sein.In response to the tilting of the sleepers tensile and compressive forces arise in the diagonal bars. The force components of the diagonal bars, which are directed in the transverse sleeper longitudinal axis, should compensate each other. In order to achieve this force equalization 90, the diagonal bars must be arranged symmetrically to the track longitudinal axis.
Die übereinanderliegenden Diagonalstäbe bilden eine ausreichend große, vertikale Fläche zur Aktivierung des quer zum Gleis wirkenden Schotterwiderstandes, Dadurch bleibt der Querverschiebewiderstand der erfindungsgemäßen 95 Rahmenschwelle gegenüber bekannten Ausführungsarten weitgehend erhalten.The superimposed diagonal bars form a sufficiently large, vertical surface for activating the gravel resistance acting transversely to the track. As a result, the transverse displacement resistance of the frame threshold according to the invention remains largely unchanged compared with known embodiments.
Die Verwendung der Diagonalstäbe führt auch in Hinsicht auf die erforderlichen Fertigungsvorrichtungen zu Vorteilen:The use of the diagonal bars also leads to advantages with regard to the required production devices:
Wegen der erfindungsgemäßen Auflösung der Längsträger in Diagonalstäbe entfällt auch die bisher bei monolithischen Rahmenschwellen erforderliche, 100 zweiachsige Vorspannung. Damit können die einachsig vorgespannten Querschwellen vorab in schon vorhandenen Anlagen hergestellt werden. Der Zusammenbau zu einer Rahmenschwelle erfolgt in einem weiteren Fertigungsschritt.Because of the inventive resolution of the side members in diagonal bars also eliminates the previously required for monolithic frame thresholds, 100 two-axis bias. Thus, the uniaxially prestressed sleepers can be prepared beforehand in existing systems. The assembly to a frame threshold takes place in a further production step.
Das erfindungsgemäße Herstellungsverfahren führt wegen der Beschränkung auf bekannte Einzelschritte, wie z.B. das Einbauen und Verpressen der Diagonalstäbe zu 105 einfachen Arbeitsvorgängen und geringen Investitionen für die Fertigung.The production process according to the invention results in known single steps, e.g. the installation and compression of the diagonal bars to 105 simple operations and low investment for manufacturing.
Weitere Einzelheiten der Erfindung werden an Hand der Zeichnungen näher erläutert. Es zeigen: Fig. 1 eine Draufsicht der Rahmenschwelle bestehend aus zwei üblichen Spannbetonquerschwellen und zwei Längsträgern in Form 110 übereinander angeordneter, sich mittig kreuzender Diagonalstäbe.Further details of the invention are explained in more detail with reference to the drawings. Show it: Fig. 1 is a plan view of the frame threshold consisting of two conventional prestressed concrete sleepers and two longitudinal members in the form of 110 superposed, centrally crossing diagonal bars.
Fig. 2 einen Querschnitt a-a der Rahmenschwelle im Bereich der Diagonalstäbe,2 shows a cross section a-a of the frame threshold in the region of the diagonal bars,
Fig. 3 die Prinzipdarstellung einer kippbaren Fertigungsplattform zum Zusammenbau der Querschwellen mit den Diagonalstäben.Fig. 3 shows the schematic diagram of a tiltable manufacturing platform for assembling the sleepers with the diagonal bars.
Die Fig. 1 und 2 dargestellte Ausführungsart der ertlndungsgemäßen 115 Rahmenschwelle besteht einerseits aus zwei üblichen Spannbetonquerschwellen 1 und andererseits aus jeweils zwei unter den Schienen liegenden,gekreuzten Diagonalstäben 2. Als Diagonalstäbe 2 dienen Stabelemente 3 in Form von gerippten Bewehrungsstäben, die in rohrformigen Öffnungen 4 der Querschwellen 1 enden und dort mit Verpressmörtel 6 über Haftung verankert sind. Zwischen den 120 Querschwellen 1 ist jeder Bewehrungsstab durch ein kräftiges Schutzrohr 5 aus Kunststoff, Stahl oder einer Kombination beider Materialien gegen mechanische Angriffe und Korrosion gesichert, wobei der Raum zwischen dem Schutzrohr 5 und dem Bewehrungsstab zur weiteren Erhöhung der Korrosionbeständigkeit ebenfalls mit Verpressmörtel 6 verfüllt werden kann.1 and 2 embodiment of the 115 frame threshold according to the invention consists on the one hand of two conventional prestressed concrete sleepers 1 and on the other hand of two crossed diagonal bars 2 located below the rails. The diagonal bars 2 are bar elements 3 in the form of ribbed reinforcing bars which are arranged in tubular openings 4 the sleepers 1 end and there are anchored with grout 6 adhesion. Between the 120 sleepers 1, each reinforcing bar is secured by a strong protective tube 5 made of plastic, steel or a combination of both materials against mechanical attack and corrosion, wherein the space between the protective tube 5 and the reinforcing bar to further increase the corrosion resistance are also filled with grout 6 can.
125 Als Querschwellen 1 können je nach Anforderung beliebige Schwellentypen eingesetzt werden. Die Anzahl und Größe der vorzusehenden Diagonalstäbe 2 hängt einerseits von der Beanspruchung der Rahmenschwelle ab. Andererseits ist auch die Lage der Spannbewehrung in den Querschwellen 1 von Bedeutung, da die rohrformigen Öffnungen 4 zwischen den einzelnen Vorspannelementen der Querschwellen 1 PlatzAs thresholds 1, any type of threshold can be used depending on the requirement. The number and size of the diagonal bars 2 to be provided depends on the one hand on the stress on the frame threshold. On the other hand, the position of the tension reinforcement in the sleepers 1 is important because the rohrformigen openings 4 between the individual biasing elements of the sleepers 1 place
130 finden müssen.130 must find.
Die Schutzrohre 5. enden in konusartigen Anschlußstücken 7 als separates Teil der rohrformigen Öffnungen 4. Zur Abdichtung der Fuge können Dichtungsringe als Stirndichtung zwischen den Anschlußstücken 7 und den Schutzrohren 5 vorgesehen werden. 135 Eine weitere Ausführungsart der erfindungsgemäßen Rahmenschwelle sieht vor, als Stabelemente 3 übliche Stabstahlprofile mit zweckmäßiger Querschnittsform zu verwenden. Wird bei der Wahl des Profils ein planmäßiger Rostabtrag bereits berücksichtigt, so kann der Einbau von Schutzrohren 5 entfallen.The protective tubes 5 end in cone-like connecting pieces 7 as a separate part of the rohrformigen openings 4. To seal the joint sealing rings can be provided as a front seal between the connecting pieces 7 and the protective tubes 5. 135 Another embodiment of the frame according to the invention provides to use as rod elements 3 conventional bar steel profiles with appropriate cross-sectional shape. If a scheduled rust removal is already taken into account when selecting the profile, the installation of protective tubes 5 can be omitted.
Fig. 3 zeigt in Prinzipdarstellung die für das erfindungsgemäße Herstellungsverfahren 140 geeignete Fertigungsplattform 8, aufweiche die bereits vorab hergestellten Querschwellen 1 paarweise in Überkopflage aufgelegt werden, wobei die Schienenauflager der Querschwellen 1 in ausgerichtete Gegenlager einrasten. Anschließend werden, falls vorgesehen, die Schutzrohre 5 eingebaut und die Stabelemente 3 eingeschoben. 145 Mit dem Kippen der Fertigungsplattform 9 um die zentrale Drehachse 9 wirkt das Gewicht der jetzt oben liegenden Querschwelle auf die untere abgestützte Querschwelle und erzeugt dabei den für eventuell vorgeehene Dichtungsringe notwendigen Preßdruck. Über den Verpressmörtelanschluß 10 wird dann der Verpressmörtel 6 von unten nach oben ansteigend injiziert. Um Lufteinschlüsse im 150 Verpreßmörtel 6 zu vermeiden, sollte der Kippwinkel der Fertigungsplattform 8 vorzugsweise mindestens 45° gegen die Horizontale erreichen. Die Enden der rohrformigen Öffnungen 4 werden nach Abschluß des Verpressvorganges mit wiedergewinnbaren Stopfen verschlossen.FIG. 3 shows, in a schematic representation, the production platform 8 suitable for the production method 140 according to the invention, on which the already produced cross ties 1 are placed in pairs in an overhead position, wherein the rail supports of the sleepers 1 engage in aligned abutments. Subsequently, if provided, the protective tubes 5 are installed and the rod elements 3 are inserted. 145 With the tilting of the manufacturing platform 9 about the central axis of rotation 9, the weight of the now above-lying cross sleeper acts on the lower supported cross sleeper and generates the necessary pressure for possibly existing sealing rings. About the Verpressmörtelanschluß 10 then the grout 6 is injected increasing from bottom to top. In order to avoid air pockets in the 150 grout 6, the tilt angle of the manufacturing platform 8 should preferably reach at least 45 ° to the horizontal. The ends of the rohrformigen openings 4 are closed after completion of the pressing process with recoverable plug.
Abschließend folgt das Rückdrehen der Fertigungsplattform 8 in die Horizontallage und 155 das sofortige Umsetzen der Rahmenschwelle auf einen Erhärtungsplatz, wo sie bis zur ausreichenden Erhärtung des Verpressmörtels 6 verbleibt.Finally follows the turning back of the production platform 8 in the horizontal position and 155 the immediate implementation of the frame threshold on a hardening place, where it remains until the sufficient hardening of the grout 6.
Die Herstellung der rohrformigen Öffnungen 4 in den Querschwellen 1 kann abhängig von der Fertigungsmenge und der Lage der Spannbewehrung in den Querschwellen 1 auf unterschiedliche Weise erfolgen.The production of the rohrformigen openings 4 in the sleepers 1 can be done depending on the production quantity and the position of the clamping reinforcement in the sleepers 1 in different ways.
160 Bei geringer Fertigungsmenge und wenig Platz zwischen der Spannbewehrung der Querschwellen 1 werden die Öffnungen 4 zweckmäßigerweise durch Einbauteile, wie z.B. übliche, gewellte Hüllrohre mit speziellen konusartigen Abschlußstücken 7 geschaffen, die vor dem Betonieren in die Schalungsform eingelegt werden..160 With low production volume and little space between the clamping reinforcement of the sleepers 1, the openings 4 are expediently by mounting parts, such as conventional, corrugated sheaths with special cone-shaped end pieces. 7 created, which are placed in the mold before concreting ..
Unter umgekehrten Bedingungen ist das Bohren der Öffnungen 4 an den fertigen 165 Querschwellen 1 vorzuziehen, Wobei auf ausreichenden Abstand der Bohrlöcher von den Spannelementen und auf ausreichende Rauhigkeit der Bohrlochwände zu achten ist.Under reverse conditions, it is preferable to drill the openings 4 at the finished 165 sleepers 1, taking care to ensure sufficient spacing of the holes from the tendons and sufficient roughness of the borehole walls.
Die Herstellung der erfindungsgemäßen Rahmenschwelle ist nicht auf das hier vorgeschlagene Verfahren beschränkt. Die Schwelle kann ebenso mit bekannten 170 Methoden im einstufigen Verfahren produziert werden.The production of the frame threshold according to the invention is not limited to the method proposed here. The threshold can also be produced by known 170 methods in a one-step process.
Eine bevorzugte, einstufige Herstellart besteht zum Beispiel darin, zwischen zwei nebeneinander angeordneten Formen die Diagonalstäbe 2 einzulegen und dann beide Schwellen gleichzeitig zu betonieren. Die durch Schlitze in die Formen hineinragenden Enden der Diagonalstäbe 2 werden mit der Erhärtung des Querschwellenbetons auf 175 Haftung verankert. Das Herstellen der Öffnungen 4 und der spätere Verpressvorgang entfallen. For example, a preferred, one-stage production method consists of inserting the diagonal bars 2 between two juxtaposed molds and then simultaneously concreting both sleepers. The ends of the diagonal bars 2 projecting through slots in the molds are anchored to the adhesion with the hardening of the cross-sleeper concrete. The production of the openings 4 and the subsequent compression process omitted.

Claims

Patentansprüche claims
1. Rahmenschwelle bestehend aus zwei Querschwellen und zwei im wesentlichen unter den Schienen verlaufenden Längsträgereinheiten dadurch gekennzeichnet, daß1. frame threshold consisting of two sleepers and two substantially extending under the rails longitudinal carrier units, characterized in that
180 zwischen den Querschwellen (1) jede Längsträgereinheit aus mindestens zwei fachwerkartig angeordneten Diagonalstäben (2) besteht, die sich in der Mitte des Abstandes zwischen den Querschwellen (1) kreuzen.180 between the sleepers (1) consists of each longitudinal support unit of at least two truss-like diagonal bars (2), which intersect in the middle of the distance between the sleepers (1).
2. Rahmenschwelle gemäß Anspruch 1 dadurch gekennzeichnet, daß die Diagonalstäbe (2) übereinander in mindestens zwei horizontalen Ebenen 185 liegen.2. Frame threshold according to claim 1, characterized in that the diagonal bars (2) lie one above the other in at least two horizontal planes 185.
3. Rahmenschwelle gemäß Anspruch 1 und 2 dadurch gekennzeichnet, daß die Diagonalstäbe (2) symmetrisch zur Gleisachse angeordnet sind.3. frame threshold according to claim 1 and 2, characterized in that the diagonal bars (2) are arranged symmetrically to the track axis.
4. Rahmenschwelle gemäß Anspruch 1 bis 3 dadurch gekennzeichnet, daß jeder Diagonalstab (2) aus mindestens einem Stabelement (3) besteht, das 190 beidseitig in rohrformigen Öffnungen (4) der Querschwellen (1) mit Verpreßmörtel (6) über Haftung verankert ist,4. frame threshold according to claim 1 to 3, characterized in that each diagonal bar (2) consists of at least one rod element (3) which is anchored 190 on both sides in rohrformigen openings (4) of the sleepers (1) with grout (6) on liability,
5. Rahmenschwelle gemäß Anspruch 4 dadurch gekennzeichnet, daß das Stabelement (3) als üblicher Bewehrungsstahl ausgebildet ist.5. frame threshold according to claim 4, characterized in that the rod element (3) is designed as conventional reinforcing steel.
6. Rahmenschwelle gemäß Anspruch 5 dadurch gekennzeichnet, daß6. frame threshold according to claim 5, characterized in that
195 jedes Stabelement (3) aus üblichem Bewehrungsstahl ein zwischen den Querschwellen (1) angeordnetes Schutzrohr (5) aufweist.195 each rod element (3) of conventional reinforcing steel between the sleepers (1) arranged protective tube (5).
7. Rahmenschwelle gemäß Anspruch 6 dadurch gekennzeichnet, daß jedes Stabelement (3) aus üblichem Bewehrungsstahl auf seiner ganzen Länge von Verpressmörtel (6) umhüllt ist. 7. frame threshold according to claim 6, characterized in that each rod element (3) of conventional reinforcing steel over its entire length of Verpressmörtel (6) is wrapped.
200 8. Rahmenschwelle gemäß Anspruch 4 dadurch gekennzeichnet, daß jedes Stabelement (3) aus einem Stabstahlprofil besteht.200 8. frame threshold according to claim 4, characterized in that each rod element (3) consists of a bar steel profile.
• 9. Verfahren zur Herstellung der Rahmenschwelle gemäß Anspruch 1 bis 8 dadurch gekennzeichnet, daß in einem ersten Fertigungsschritt Querschwellen (1) beliebiger Bauart in 205 bekannten Fertigungseinrichtungen hergestellt und zusätzlich mit rohrformigen Öffnungen (4) zur späteren Durchführung und Verankerung von Stabelementen (3) ausgestattet werden, in einem zweiten Fertigungsschritt jeweils zwei Querschwellen (1) auf einer kippbaren Fertigungsplattform (8) in Überkopflage aufgelegt, planmäßig ausgerichtet 210 und mit Stabelementen (3) ausgerüstet werden, in einem dritten Fertigungsschritt die Fertigungsplattform (8) um die Drehachse (9) bis zu mindestens 45° gegen die Horizontale gekippt wird und in dieser Lage die Verpressung der Staabelemente (3) mit Fließrichtung von unten nach oben erfolgt und in einem vierten Fertigungsschritt nach dem Rückdrehen der Fertigungsplattform 215 (9) in die Horizontallage die Rahmenschwellen auf benachbarte Erhärtungsplätze abgelegt werden, um dort bis zur ausreichenden Erhärtung des Verpreßmörtels (6) zu verbleiben:9. A method for producing the frame threshold according to claim 1 to 8, characterized in that produced in a first manufacturing step, transverse sleepers (1) of any type in 205 known manufacturing facilities and additionally with rohrformigen openings (4) for later implementation and anchoring of rod elements (3). In a second production step, in each case two transverse sleepers (1) are placed on a tiltable production platform (8) in an overhead position, aligned as planned 210 and equipped with rod elements (3), in a third production step the production platform (8) is rotated around the axis of rotation (9 ) is tilted to at least 45 ° to the horizontal and in this position, the compression of the rod elements (3) in the flow direction from bottom to top and in a fourth manufacturing step after turning back the manufacturing platform 215 (9) in the horizontal position, the frame thresholds on adjacent Hardening places off t to remain until the sufficient hardening of the grout (6):
10. Verfahren gemäß Anspruch 9 dadurch gekennzeichnet, daß die rohrformigen Öffnungen (4) in den Querschwelllen (1) durch Einbauteile 220 geschaffen werden, die vor dem Betonieren der Querschwellen (1) in der Schalungsform montiert werden.10. The method according to claim 9, characterized in that the rohrformigen openings (4) in the Querschwelllen (1) are provided by built-in parts 220, which are mounted before concreting the sleepers (1) in the formwork.
11. Verfahren gemäß Anspruch 9 dadurch gekennzeichnet, daß die rohrformigen Öffnungen (4) nachträglich in die fertigen Querschwellen (1) gebohrt werden. 11. The method according to claim 9, characterized in that the rohrformigen openings (4) are subsequently drilled in the finished sleepers (1).
EP05744523A 2004-04-21 2005-04-15 Sleeper frame for a ballasted railway track and method for production thereof Active EP1738027B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05744523T PL1738027T3 (en) 2004-04-21 2005-04-15 Sleeper frame for a ballasted railway track and method for production thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004019278A DE102004019278B3 (en) 2004-04-21 2004-04-21 Frame threshold for a railway ballast track
PCT/DE2005/000692 WO2005103383A1 (en) 2004-04-21 2005-04-15 Sleeper frame for a ballasted railway track and method for production thereof

Publications (2)

Publication Number Publication Date
EP1738027A1 true EP1738027A1 (en) 2007-01-03
EP1738027B1 EP1738027B1 (en) 2008-07-09

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EP05744523A Active EP1738027B1 (en) 2004-04-21 2005-04-15 Sleeper frame for a ballasted railway track and method for production thereof

Country Status (7)

Country Link
EP (1) EP1738027B1 (en)
CN (1) CN1981088B (en)
AT (1) ATE400696T1 (en)
DE (3) DE102004019278B3 (en)
ES (1) ES2310353T3 (en)
PL (1) PL1738027T3 (en)
WO (1) WO2005103383A1 (en)

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CN107217551A (en) * 2017-07-10 2017-09-29 中铁第四勘察设计院集团有限公司 A kind of assembly concrete-filled steel tube double-block type sleeper
CN109056428A (en) * 2018-08-04 2018-12-21 中铁二院工程集团有限责任公司 A kind of track anti-creep structure for rack rails traffic system
CN109722948B (en) * 2019-01-30 2020-06-23 武汉理工大学 X type anti-skidding rail pillow of adjustable interval
ES2803701B2 (en) * 2019-07-23 2022-02-02 Talleres Alegria S A PRE-ASSEMBLED TRACK DEVICE
CN111535097B (en) * 2020-05-19 2021-09-14 中国铁路成都局集团有限公司成都工务段 Sleeper shoulder-blocking repairing mold
CN113338083A (en) * 2021-05-24 2021-09-03 中国国家铁路集团有限公司 Improved double-block sleeper, track plate with improved double-block sleeper and track system

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US1387184A (en) * 1920-03-29 1921-08-09 W F Lee Roadbed construction
FR690315A (en) * 1930-02-20 1930-09-18 Railroad track support made up of reinforced concrete beams connected to each other by triangulated pieces
DE4203895C2 (en) * 1992-02-11 1996-08-29 Dyckerhoff & Widmann Ag Device for producing prefabricated components from prestressed concrete with immediate bond, in particular prestressed concrete sleepers
CN2175254Y (en) * 1993-04-23 1994-08-24 徐蕴贤 Concrete sleeper of double block type made of steel fibre
KR100265579B1 (en) * 1994-03-29 2000-09-15 오제끼 마사노리 Ladder-type sleepers and railway tracks
AT408774B (en) * 1997-09-10 2002-03-25 Riessberger Klaus UNDERRISING FOR RAILWAY TRACKS
DE19842312C1 (en) * 1998-09-16 1999-12-09 Peter Plica Sleeper frame for railway bedding
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Title
See references of WO2005103383A1 *

Also Published As

Publication number Publication date
ES2310353T3 (en) 2009-01-01
PL1738027T3 (en) 2009-01-30
ATE400696T1 (en) 2008-07-15
DE112005001504A5 (en) 2007-05-24
DE502005004643D1 (en) 2008-08-21
EP1738027B1 (en) 2008-07-09
DE102004019278B3 (en) 2006-02-09
CN1981088B (en) 2012-01-04
CN1981088A (en) 2007-06-13
WO2005103383A1 (en) 2005-11-03

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