EP1735500B1 - Prefabricated, traditionnaly reinforced support panel - Google Patents

Prefabricated, traditionnaly reinforced support panel Download PDF

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Publication number
EP1735500B1
EP1735500B1 EP05729172.6A EP05729172A EP1735500B1 EP 1735500 B1 EP1735500 B1 EP 1735500B1 EP 05729172 A EP05729172 A EP 05729172A EP 1735500 B1 EP1735500 B1 EP 1735500B1
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EP
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Prior art keywords
reinforcements
support plate
steel rods
concrete steel
longitudinal
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EP05729172.6A
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German (de)
French (fr)
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EP1735500A1 (en
Inventor
Johann Floh
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Porr Technobau und Umwelt AG
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Porr Technobau und Umwelt 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
    • 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
    • E01B3/40—Slabs; Blocks; Pot sleepers; Fastening tie-rods to them
    • 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

Definitions

  • the invention relates to a prefabricated, flabby-reinforced support plate, according to the preamble of claim 1.
  • ballastless superstructure for rail-bound traffic is becoming more and more important and the longer tunnel routes are, since the ballastless superstructure takes up less height than the ballast track, and furthermore, the higher the speeds of the trains are and the train sequence is greater longer intervals are possible for the repair and at the same time shorter repair times.
  • ballastless superstructure There are various systems of ballastless superstructure known, it is essential how the forces are introduced from the rails in the superstructure. For example, it is known to sink rails together with concrete sleepers in a not yet hardened concrete, with a very complex, because accurate adjustment, u. between both horizontally and vertically.
  • a method for producing a ballastless superstructure wherein a prefabricated support plate is supported in its four corner regions via spindles on a subfloor.
  • the support plate has on its underside a sound-absorbing material, u. between a polyester polyurethane foam, on. Between this layer and the substrate a flowable solidifying mass is introduced. Due to the sound-absorbing layer at the same time a compression of the support plate is made possible.
  • a ballastless superstructure is like a ballast track not a rigid structure, but it must be the compression of the rails allows.
  • the rails rest directly or indirectly via a rubber-elastic layer on elements of the superstructure, and on the other hand, the elements, which introduce the forces from the rails into the ground, also spring back onto the ground.
  • this suspension is achieved by the mutual support of the gravel grains.
  • a corresponding prior art is z. B. by the EP 1 039 030 A1 given.
  • the DE 2827653 A1 has a railway superstructure to the object, with a destruction of a track-building board to be avoided by the fastening means for the rails. It is proposed to perform the support plate plane-parallel and to achieve the required inclination of the rails by underlay wedges. In this publication it is clearly stated that a change in the reinforcement in support plates lead to particular difficulties, and can occur by the fastening means cracking in the region of the mounting holes.
  • An object of the present invention is to form such support plates, which are constructed of concrete, so that they can absorb the stress occurring during stress as well as tension without premature destruction.
  • Another object of the present invention is as high as possible forces from the support plate to the ground, u. between in the rail longitudinal direction and transversely to be able to transfer, with a high service life of the support plate should be guaranteed at the same time.
  • the high life of the support plate must not be prevented the compliant behavior of the same on the ground, otherwise a breakage of rails and wheels, especially wheel rims, can be caused.
  • the support plate By dimensioning the support plate is thereby ensured that on the one hand, an exact alignment of the support plates during installation is possible, and on the other hand, that in the long term, an accurate positioning can be maintained by the recesses, in which then engage the substrate with positioned support plate in situ manufactured parts , Due to the specific dimensioning of the recesses, u. zw., That these have a greater extent than normal in the rail longitudinal direction, is taken into account that in particular by the sinusoidal nature of the wheels stress transverse to the rail longitudinal direction may be greater than in the rail longitudinal direction.
  • the filling of an intermediate space between the support plate and the substrate on the one hand better enables, at the same time the body for fixing the support plate can be made very easy.
  • the rubber-elastic coating on the underside of the support plate allows the necessary compression.
  • the two recesses mentioned represent a solution
  • a weakening of the support plate in the transverse and rail longitudinal direction is effected by the same.
  • Such a weakening can be avoided or reduced in the longitudinal direction if the upper and lower reinforcements have at least two longitudinal reinforcements with reinforcing bars extending in each case in the longitudinal direction of the support plate, which corresponds to the longitudinal direction of the rails or lower frame are connected.
  • a further introduction of force can be achieved in that the upper and lower reinforcement each have on both sides of the recesses arranged transverse reinforcements with reinforcing bars, which are connected to the upper and lower frame.
  • Additional reinforcement can be achieved by having the upper and lower reinforcements each having longitudinal and transverse reinforcements disposed on either side of the recesses with reinforcing bars shorter than those associated with the upper and lower frames, respectively, and with the frame connected longitudinal reinforcements are connected.
  • the upper reinforcement has shorter longitudinal reinforcements with reinforcing bar than those connected to the frame and to the transverse reinforcements with reinforcing bar to the upper or lower frame with reinforcing bar, a particularly advantageous distribution of forces, in particular tensile forces, in the upper and lower Ensured area of the support plate.
  • support plate 1 is constructed with concrete and has two recesses 2. These recesses are, as in Fig. 2 shown dashed, tapered towards the inside. Through this design, a support plate can be easily lifted from the ground.
  • the support plate 1 has supports 3 for the rails, not shown.
  • the longitudinal extent of the support plate, ie in the longitudinal direction of the rail according to arrow a, is 5160 mm, the extension transverse thereto 2.400 mm.
  • the minimum thickness of the plate is 160 mm.
  • the recesses 2 are formed rectangular, with the longer side of the rectangle is arranged parallel to the rail longitudinal direction and 900 mm, whereas the width extension is 600 mm.
  • the plate further has openings 4, which a Have thread along which spindles are mounted vertically variable, so that an exact alignment of the support plate can be done on the ground.
  • the support plate on an upper reinforcement 5 and a lower reinforcement 6.
  • the two reinforcements are connected by transverse reinforcements 7 made of rebar.
  • the upper and lower reinforcement are shown schematically, for reasons of clarity, the dimensions of the support plate 1 and the dimensioning and positioning of the recesses 2 are shown.
  • the upper and lower reinforcement 5, 6 have substantially rectangular frames 8, 9 made of reinforcing bars, which are each welded. With the upper frame 8 and the lower frame 9 (see. Fig. 4 ) are connected the transverse reinforcements, which, as in Fig. 2 shown to both frames are guided.
  • the transverse reinforcements 7 and longitudinal reinforcements 10 are provided made of rebar.
  • longitudinal reinforcements 11 are provided, which are shorter than those which are connected to the frame and terminate in front of the frame.
  • shorter transverse reinforcements 12 are provided both in the upper reinforcement 5 and in the lower reinforcement 6, which are arranged on both sides of the recesses 2 and are also connected at least with the longitudinal reinforcements 10 which are connected to the frame.
  • a reinforcements 13 made of reinforcing bars provided, the longitudinal reinforcements and transverse reinforcements, u. between the ones connected to the frame and the shorter ones.
  • At least one further longitudinal reinforcement 14 is provided in the longitudinal direction a between the two recesses 2, which likewise consists of reinforcing steel bars and is connected to the transverse reinforcements 7 which are respectively connected to the upper and lower frames 8, 9.
  • rebar Under rebar are usually cylindrical rods with different diameters to understand that in addition to better fixation in the concrete have ribs.
  • a material for example, carbon steel but also stainless steel can serve for special purposes. When stainless steel is especially on the Stress corrosion cracking to be respected.
  • a binding wire To connect the rebars usually a binding wire is used, but there is also the possibility that a connection by welding takes place.
  • the entire reinforcement ie the upper and lower reinforcement, is placed in a mold and rests in the same over spacers. For the recesses or supports of the rails must be taken to ensure that a removal of the support plate from the mold can be performed as easily as possible.
  • This prefabricated support plate is provided on the bottom with a rubber granulate with 3 mm thickness.
  • Such a rubber granulate is additionally arranged on the walls of the recesses 2.
  • the support plates are then brought with spindles on a leveled ground and then on the recesses 2 or so required, through further recesses filling the gap between the substrate and the plate and in the recesses, for example, made with concrete.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Description

Die Erfindung betrifft eine vorgefertigte, schlaff bewehrte Tragplatte, gemäß dem Oberbegriff des Anspruches 1.The invention relates to a prefabricated, flabby-reinforced support plate, according to the preamble of claim 1.

Der schotterlose Oberbau für den schienengebundenen Verkehr gewinnt immer mehr an Bedeutung und dies, je länger Tunnelstrecken sind, da der schotterlose Oberbau eine geringere Höhe als der Schotteroberbau beansprucht, und weiters, je höher die Geschwindigkeiten der Züge höher sind und die Zugfolge größer ist, da längere Intervalle für die Instandsetzung möglich sind, und da gleichzeitig kürzere Zeiten für die Instandsetzung anfallen.The ballastless superstructure for rail-bound traffic is becoming more and more important and the longer tunnel routes are, since the ballastless superstructure takes up less height than the ballast track, and furthermore, the higher the speeds of the trains are and the train sequence is greater longer intervals are possible for the repair and at the same time shorter repair times.

Es sind verschiedene Systeme des schotterlosen Oberbaues bekannt, wobei wesentlich ist, wie die Kräfte von den Schienen in den Oberbau eingeleitet werden. So ist es beispielsweise bekannt, Schienen gemeinsam mit Betonschwellen in einem noch nicht erhärteten Ortsbeton einzusenken, wobei ein sehr aufwändiges, da genaues Justieren, u. zw. sowohl in horizontaler als in vertikaler Richtung, erforderlich ist.There are various systems of ballastless superstructure known, it is essential how the forces are introduced from the rails in the superstructure. For example, it is known to sink rails together with concrete sleepers in a not yet hardened concrete, with a very complex, because accurate adjustment, u. between both horizontally and vertically.

Aus der AT 390 976 B ist ein Verfahren zur Herstellung eines schotterlosen Oberbaues bekannt, wobei eine vorgefertigte Tragplatte in ihren vier Eckenbereichen über Spindeln an einem Unterboden abgestützt ist. Die Tragplatte weist auf ihrer Unterseite ein schalldämmendes Material, u. zw. einen Polyesterpolyurethanschaum, auf. Zwischen dieser Schichte und dem Untergrund wird eine fließfähige sich verfestigende Masse eingebracht. Durch die schalldämmende Schichte wird gleichzeitig ein Einfedern der Tragplatte ermöglicht.From the AT 390 976 B a method for producing a ballastless superstructure is known, wherein a prefabricated support plate is supported in its four corner regions via spindles on a subfloor. The support plate has on its underside a sound-absorbing material, u. between a polyester polyurethane foam, on. Between this layer and the substrate a flowable solidifying mass is introduced. Due to the sound-absorbing layer at the same time a compression of the support plate is made possible.

Ein schotterloser Oberbau ist wie ein Schotteroberbau keine starre Struktur, sondern es muss das Einfedern der Schienen ermöglicht sein. Einerseits ruhen die Schienen mittel- oder unmittelbar über eine gummielastische Schichte auf Elementen des Oberbaues auf, und andererseits federn die Elemente, welche die Kräfte von den Schienen in den Untergrund ein¬leiten, ebenfalls auf dem Untergrund auf. Beim Schotteroberbau wird diese Federung durch das gegenseitige Abstützen der Schotterkörner erreicht. Diese Flexibilität kann so groß sein, dass beispielsweise Betonschwellen, insbesondere im Mittelbereich, brechen. Auch Tragplatten werden für den schotterlosen Oberbau eingesetzt, und nach Entlastung besteht das Bestreben derselben, in die ursprüngliche Lage zurück zu kehren.A ballastless superstructure is like a ballast track not a rigid structure, but it must be the compression of the rails allows. On the one hand, the rails rest directly or indirectly via a rubber-elastic layer on elements of the superstructure, and on the other hand, the elements, which introduce the forces from the rails into the ground, also spring back onto the ground. In gravel superstructure, this suspension is achieved by the mutual support of the gravel grains. These Flexibility can be so great that concrete sleepers, for example, break in the middle area. Also support plates are used for the ballastless superstructure, and after relief there is the same endeavor to return to the original position.

Ein entsprechender Stand der Technik ist z. B. durch die EP 1 039 030 A1 gegeben.A corresponding prior art is z. B. by the EP 1 039 030 A1 given.

In der AT 238 239 B wird ein schienengleicher Bahnübergang mit einer Platte ohne Ausnehmungen beschrieben.In the AT 238 239 B a level crossing with a plate without recesses is described.

In der japanischen Offenlegungsschrift 2001-107 508 wird eine Fußbodenplatte mit einer Ausnehmung beschrieben. Es sind schräg zur Längsrichtung der Platte Bewehrungen vorgesehen. Die Krafteinleitung einer Tragplatte für den Schienenverkehr und die bei einer Fußbodenplatte ist in keiner Weise gleichzusetzen.In Japanese Patent Publication 2001-107 508 a floor panel is described with a recess. There are provided obliquely to the longitudinal direction of the plate reinforcements. The introduction of force of a support plate for rail transport and the case of a floor plate is in no way equate.

In der DE 103 27 467 A1 ist ein Tragkörper für Schienen ohne Ausnehmungen beschrieben.In the DE 103 27 467 A1 is a support body for rails without recesses described.

Die DE 2827653 A1 hat einen Eisenbahnoberbau zum Gegenstand, wobei eine Zerstörung einer Gleisbauplatte durch die Befestigungsmittel für die Schienen vermieden werden soll. Hierbei wird vorgeschlagen, die Tragplatte planparallel auszuführen und die erforderliche Neigung der Schienen durch Unterlagskeile zu erreichen. In dieser Offenlegungsschrift wird deutlich dargelegt, dass eine Änderung der Bewehrung in Tragplatten zu besonderen Schwierigkeiten führen, und durch die Befestigungsmittel eine Rissbildung im Bereich der Befestigungslöcher eintreten kann.The DE 2827653 A1 has a railway superstructure to the object, with a destruction of a track-building board to be avoided by the fastening means for the rails. It is proposed to perform the support plate plane-parallel and to achieve the required inclination of the rails by underlay wedges. In this publication it is clearly stated that a change in the reinforcement in support plates lead to particular difficulties, and can occur by the fastening means cracking in the region of the mounting holes.

Eine Aufgabe der vorliegenden Erfindung besteht darin, derartige Tragplatten, die aus Beton aufgebaut sind, so auszubilden, dass sie die bei Belastung auftretenden Druck- als auch Zugspannung ohne vorzeitige Zerstörung aufnehmen können. Eine weitere Aufgabe der vorliegenden Erfindung besteht darin, möglichst hohe Kräfte von der Tragplatte auf den Untergrund, u. zw. in Schienenlängsrichtung und quer hierzu, übertragen zu können, wobei eine hohe Lebensdauer der Tragplatte gleichzeitig gewährleistet sein soll. Durch die hohe Lebensdauer der Tragplatte darf allerdings nicht das nachgiebige Verhalten derselben am Untergrund verhindert werden, da sonst ein Bruch von Schienen und Rädern, insbesondere Radkränzen, verursacht werden kann.An object of the present invention is to form such support plates, which are constructed of concrete, so that they can absorb the stress occurring during stress as well as tension without premature destruction. Another object of the present invention is as high as possible forces from the support plate to the ground, u. between in the rail longitudinal direction and transversely to be able to transfer, with a high service life of the support plate should be guaranteed at the same time. By However, the high life of the support plate must not be prevented the compliant behavior of the same on the ground, otherwise a breakage of rails and wheels, especially wheel rims, can be caused.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des kennzeichnenden Teils des Anspruches 1 gelöst.According to the invention, this object is solved by the features of the characterizing part of claim 1.

Durch die Dimensionierung der Tragplatte wird dabei sichergestellt, dass einerseits eine exakte Ausrichtung der Tragplatten beim Verlegen möglich ist, und andererseits, dass durch die Ausnehmungen, in welche sodann am Untergrund bei positionierter Tragplatte in situ gefertigte Teile eingreifen, längerfristig eine genaue Positionierung beibehalten werden kann. Durch die spezifische Dimensionierung der Ausnehmungen, u. zw., dass diese in Schienenlängsrichtung eine größere Erstreckung als normal hierzu aufweisen, wird Rechnung getragen, dass insbesondere durch die Sinusläufigkeit der Räder eine Beanspruchung quer zur Schienenlängsrichtung größer sein kann als in Schienenlängsrichtung. Durch die durchgehend nach unten offenen Öffnungen ist einerseits die Füllung eines Zwischenraumes zwischen der Tragplatte und dem Untergrund besser ermöglicht, wobei gleichzeitig auch der Körper zur Fixierung der Tragplatte besonders einfach gefertigt werden kann. Die gummielastische Beschichtung auf der Unterseite der Tragplatte ermöglicht das erforderliche Einfedern.By dimensioning the support plate is thereby ensured that on the one hand, an exact alignment of the support plates during installation is possible, and on the other hand, that in the long term, an accurate positioning can be maintained by the recesses, in which then engage the substrate with positioned support plate in situ manufactured parts , Due to the specific dimensioning of the recesses, u. zw., That these have a greater extent than normal in the rail longitudinal direction, is taken into account that in particular by the sinusoidal nature of the wheels stress transverse to the rail longitudinal direction may be greater than in the rail longitudinal direction. Through the openings continuously open on the one hand, the filling of an intermediate space between the support plate and the substrate on the one hand better enables, at the same time the body for fixing the support plate can be made very easy. The rubber-elastic coating on the underside of the support plate allows the necessary compression.

Durch das getrennte Vorsehen einer oberen und unteren Bewehrung mit Betonstabstählen kann den unterschiedlichen Beanspruchungen, insbesondere Zugbeanspruchungen, Rechnung getragen werden, wobei eine exakte Positionierung der Betonstabstähle über einen oberen Rahmen und unteren Rahmen besonders einfach Rechnung getragen ist. Durch die quer zur Schienenlängsrichtung verlaufenden Bewehrungen mit Betonstabstahl kann eine besonders exakte Übertragung der Kräfte von der Schienenlängsrichtung in die Schienenquerrichtung erfolgen. Dabei sind die Querbewehrungen mit dem oberen Rahmen und dem unteren Rahmen verbunden und um beide Rahmen geführt.The separate provision of an upper and lower reinforcement with rebars, the different stresses, in particular tensile loads, be taken into account, with an exact positioning of the rebar over an upper frame and lower frame is particularly easy account. By extending transversely to the rail longitudinal reinforcements with rebar a particularly accurate transmission of forces from the rail longitudinal direction in the rail transverse direction can be done. The transverse reinforcements are connected to the upper frame and the lower frame and guided around both frames.

Obwohl zur Übertragung der Kräfte von der Tragplatte in den Untergrund die beiden angeführten Ausnehmungen eine Lösung darstellen, wird durch dieselben eine Schwächung der Tragplatte in Quer- und Schienenlängsrichtung bewirkt. Eine derartige Schwächung kann in der Längsrichtung vermieden bzw. verringert werden, wenn die obere und untere Bewehrung zumindest je zwei in Längsrichtung der Tragplatte, die der Schienenlängsrichtung entspricht, verlaufende jeweils beidseits der Ausnehmungen angeordnete Längsbewehrungen mit Betonstabstählen aufweisen, die an ihren Enden mit dem oberen bzw. unteren Rahmen verbunden sind.Although for the transmission of forces from the support plate into the ground, the two recesses mentioned represent a solution, a weakening of the support plate in the transverse and rail longitudinal direction is effected by the same. Such a weakening can be avoided or reduced in the longitudinal direction if the upper and lower reinforcements have at least two longitudinal reinforcements with reinforcing bars extending in each case in the longitudinal direction of the support plate, which corresponds to the longitudinal direction of the rails or lower frame are connected.

Eine weitere Krafteinleitung kann dadurch erreicht werden, dass die obere und untere Bewehrung jeweils beidseits der Ausnehmungen angeordnete Querbewehrungen mit Betonstabstählen aufweist, die mit dem oberen bzw. unteren Rahmen verbunden sind.A further introduction of force can be achieved in that the upper and lower reinforcement each have on both sides of the recesses arranged transverse reinforcements with reinforcing bars, which are connected to the upper and lower frame.

Eine zusätzliche Verstärkung kann dadurch erreicht werden, dass die obere und untere Bewehrung jeweils beidseits der Ausnehmungen angeordnete Längs- und Querbewehrungen mit Betonstabstählen aufweist, die kürzer sind als jene, die mit dem oberen bzw. unteren Rahmen verbunden sind, und mit den mit dem Rahmen verbundenen Längsbewehrungen verbunden sind.Additional reinforcement can be achieved by having the upper and lower reinforcements each having longitudinal and transverse reinforcements disposed on either side of the recesses with reinforcing bars shorter than those associated with the upper and lower frames, respectively, and with the frame connected longitudinal reinforcements are connected.

Weist die obere Bewehrung kürzere Längsbewehrungen mit Betonstabstahl auf als jene, die mit dem Rahmen und mit den Querbewehrungen mit Betonstabstahl mit dem oberen bzw. unteren Rahmen mit Betonstabstahl verbunden sind, so ist eine besonders vorteilhafte Verteilung der Kräfte, insbesondere Zugkräfte, im oberen und unteren Bereich der Tragplatte gewährleistet.If the upper reinforcement has shorter longitudinal reinforcements with reinforcing bar than those connected to the frame and to the transverse reinforcements with reinforcing bar to the upper or lower frame with reinforcing bar, a particularly advantageous distribution of forces, in particular tensile forces, in the upper and lower Ensured area of the support plate.

Sind sowohl in der oberen Bewehrung mit Betonstabstahl als auch in der unteren Bewehrung mit Betonstabstahl schräg zur längs verlaufenden Bewehrung mit Betonstabstahl Bewehrungen mit Betonstabstahl vorgesehen, welche Längs- und Querbewehrungen mit Betonstabstahl verbinden, die unmittelbar mit dem oberen bzw. unteren Rahmen mit Betonstabstahl verbunden sind, so kann eine Erhöhung der Lebensdauer im extrem beanspruchten Eckenbereich der Ausnehmungen erreicht werden.Are provided in the upper reinforcement with reinforcing bars as well as in the lower reinforcement with reinforcing bars oblique to the longitudinal reinforcement with rebar reinforcements with reinforcing bars connecting longitudinal and transverse reinforcements with reinforcing bars, which are directly connected to the upper and lower frame with rebar , so an increase in life in the extremely stressed corner region of the recesses can be achieved.

Verbinden die schräg verlaufenden Bewehrungen mit Betonstabstahl zusätzlich auch die kürzeren Quer- und Längsbewehrungen, jeweils aus Betonstabstahl, so ist eine besondere vorteilhafte Einleitung der Kräfte in die Bewehrung gegeben.If the inclined reinforcements with reinforcing bars additionally connect the shorter transverse and longitudinal reinforcements, in each case made of reinforcing bar steel, a special advantageous introduction of the forces into the reinforcement is provided.

Sind zwischen den Ausnehmungen Längsbewehrungen vorgesehen, die mit den Querbewehrungen verbunden sind, die mit dem oberen bzw. unteren Rahmen verbunden sind, so kann eine besondere Stabilisierung zwischen den Ausnehmungen erreicht werden.Are longitudinal reinforcements provided between the recesses, which are connected to the transverse reinforcements, which are connected to the upper and lower frame, so a special stabilization between the recesses can be achieved.

Im Folgenden wird die Erfindung anhand der Zeichnungen näher erläutert.In the following the invention will be explained in more detail with reference to the drawings.

Es zeigen:

Fig. 1
eine Tragplatte in Sicht von oben,
Fig. 2
einen Querschnitt der Tragplatte gemäß der Linie II-II von Fig. 1,
Fig. 3
eine obere Bewehrung und
Fig. 4
eine untere Bewehrung.
Show it:
Fig. 1
a support plate in view from above,
Fig. 2
a cross section of the support plate according to the line II-II of Fig. 1 .
Fig. 3
an upper reinforcement and
Fig. 4
a lower reinforcement.

Die in Fig. 1 in Ansicht von oben dargestellte Tragplatte 1 ist mit Beton aufgebaut und weist zwei Ausnehmungen 2 auf. Diese Ausnehmungen sind, wie in Fig. 2 strichliert dargestellt, nach oben hin nach innen verjüngend ausgebildet. Durch diese Ausbildung kann eine Tragplatte leichter vom Untergrund abgehoben werden. Die Tragplatte 1 weist Auflager 3 für die nicht dargestellten Schienen auf. Die Längserstreckung der Tragplatte, also in Schienenlängsrichtung gemäß Pfeil a, beträgt 5.160 mm, die Erstreckung quer hierzu 2.400 mm. Die Mindestdicke der Platte beträgt 160 mm. Die Ausnehmungen 2 sind rechteckig ausgebildet, wobei die längere Seite des Rechteckes parallel zur Schienenlängsrichtung angeordnet ist und 900 mm beträgt, wohingegen die Breitenerstreckung 600 mm beträgt. Die Platte weist weiters Öffnungen 4 auf, welche ein Gewinde besitzen, entlang welchen Spindeln höhenveränderlich gelagert sind, so dass eine exakte Ausrichtung der Tragplatte am Untergrund erfolgen kann.In the Fig. 1 in view from above shown support plate 1 is constructed with concrete and has two recesses 2. These recesses are, as in Fig. 2 shown dashed, tapered towards the inside. Through this design, a support plate can be easily lifted from the ground. The support plate 1 has supports 3 for the rails, not shown. The longitudinal extent of the support plate, ie in the longitudinal direction of the rail according to arrow a, is 5160 mm, the extension transverse thereto 2.400 mm. The minimum thickness of the plate is 160 mm. The recesses 2 are formed rectangular, with the longer side of the rectangle is arranged parallel to the rail longitudinal direction and 900 mm, whereas the width extension is 600 mm. The plate further has openings 4, which a Have thread along which spindles are mounted vertically variable, so that an exact alignment of the support plate can be done on the ground.

Wie aus dem Schnitt in Fig. 2 zu entnehmen, weist die Tragplatte eine obere Bewehrung 5 und eine untere Bewehrung 6 auf. Die beiden Bewehrungen sind über Querbewehrungen 7 aus Betonstabstahl verbunden.As from the cut in Fig. 2 can be seen, the support plate on an upper reinforcement 5 and a lower reinforcement 6. The two reinforcements are connected by transverse reinforcements 7 made of rebar.

In den Fig. 3 und 4 sind die obere bzw. untere Bewehrung schematisch dargestellt, wobei aus Gründen der Übersicht auch die Dimensionierung der Tragplatte 1 als auch die Dimensionierung und Positionierungen der Ausnehmungen 2 abgebildet sind. Die obere und untere Bewehrung 5, 6 weisen im Wesentlichen rechteckige Rahmen 8, 9 aus Betonstabstahl auf, die jeweils verschweißt sind. Mit dem oberen Rahmen 8 und dem unteren Rahmen 9 (vgl. Fig. 4) sind die Querbewehrungen verbunden, die, wie in Fig. 2 dargestellt, um beide Rahmen geführt sind. Zusätzlich zu den Querbewehrungen 7 sind auch Längsbewehrungen 10 aus Betonstabstahl vorgesehen. Parallel zu diesen Längsbewehrungen sind weitere Längsbewehrungen 11 vorgesehen, die kürzer sind als jene, die mit den Rahmen verbunden sind und vor den Rahmen endigen. Weiters sind sowohl bei der oberen Bewehrung 5 als auch bei der unteren Bewehrung 6 kürzere Querbewehrungen 12 vorgesehen, die beidseitig der Ausnehmungen 2 angeordnet sind und zumindest mit den Längsbewehrungen 10, die mit dem Rahmen verbunden sind, ebenfalls verbunden sind. Im Eckenbereich der Ausnehmungen 2 sind schräg zur Längsrichtung a verlaufende Bewehrungen 13 aus Betonstabstahl vorgesehen, die die Längsbewehrungen und Querbewehrungen, u. zw. sowohl die, die mit dem Rahmen verbunden sind als auch die kürzeren verbinden. Zwischen den beiden Ausnehmungen 2 ist in Längsrichtung a zumindest eine weitere Längsbewehrung 14 vorgesehen, die ebenfalls aus Betonstabstahl besteht und mit den Querbewehrungen 7, die jeweils mit dem oberen bzw. unteren Rahmen 8, 9 verbunden sind, verbunden ist.In the 3 and 4 the upper and lower reinforcement are shown schematically, for reasons of clarity, the dimensions of the support plate 1 and the dimensioning and positioning of the recesses 2 are shown. The upper and lower reinforcement 5, 6 have substantially rectangular frames 8, 9 made of reinforcing bars, which are each welded. With the upper frame 8 and the lower frame 9 (see. Fig. 4 ) are connected the transverse reinforcements, which, as in Fig. 2 shown to both frames are guided. In addition to the transverse reinforcements 7 and longitudinal reinforcements 10 are provided made of rebar. In parallel to these longitudinal reinforcements further longitudinal reinforcements 11 are provided, which are shorter than those which are connected to the frame and terminate in front of the frame. Furthermore, shorter transverse reinforcements 12 are provided both in the upper reinforcement 5 and in the lower reinforcement 6, which are arranged on both sides of the recesses 2 and are also connected at least with the longitudinal reinforcements 10 which are connected to the frame. In the corner region of the recesses 2 are extending obliquely to the longitudinal direction a reinforcements 13 made of reinforcing bars provided, the longitudinal reinforcements and transverse reinforcements, u. between the ones connected to the frame and the shorter ones. At least one further longitudinal reinforcement 14 is provided in the longitudinal direction a between the two recesses 2, which likewise consists of reinforcing steel bars and is connected to the transverse reinforcements 7 which are respectively connected to the upper and lower frames 8, 9.

Unter Betonstabstahl sind in der Regel zylindrische Stäbe mit unterschiedlichen Durchmessern zu verstehen, die zusätzlich zur besseren Fixierung im Beton Rippen aufweisen. Als Material kann beispielsweise Kohlenstoffstahl aber auch rostfreier Stahl für besondere Zwecke dienen. Beim rostfreien Stahl ist besonders auf die Spannungsrisskorrosion zu achten. Zur Verbindung der Betonstabstähle wird in der Regel ein Bindedraht verwendet, allerdings besteht die Möglichkeit auch, dass ein Verbinden durch Schweißen erfolgt. Bei der Fertigung einer Betontragplatte wird die gesamte Bewehrung, also die obere und untere Bewehrung, in eine Form eingebracht und ruht in derselben über Distanzstücke auf. Für die Ausnehmungen bzw. Auflager der Schienen muss besonders darauf geachtet werden, dass eine Entnahme der Tragplatte aus der Form möglichst einfach durchgeführt werden kann. Diese vorgefertigte Tragplatte wird auf der Unterseite mit einem Gummigranulat mit 3 mm Dicke versehen. Ein derartiges Gummigranulat wird zusätzlich an den Wänden der Ausnehmungen 2 angeordnet. Die Tragplatten werden sodann mit Spindeln über einen eingeebneten Untergrund gebracht und sodann wird über die Ausnehmungen 2 bzw. so erforderlich, über weitere Ausnehmungen die Füllung des Zwischenraumes zwischen dem Untergrund und der Platte und auch in den Ausnehmungen, beispielsweise mit Beton, vorgenommen.Under rebar are usually cylindrical rods with different diameters to understand that in addition to better fixation in the concrete have ribs. As a material, for example, carbon steel but also stainless steel can serve for special purposes. When stainless steel is especially on the Stress corrosion cracking to be respected. To connect the rebars usually a binding wire is used, but there is also the possibility that a connection by welding takes place. When manufacturing a concrete slab, the entire reinforcement, ie the upper and lower reinforcement, is placed in a mold and rests in the same over spacers. For the recesses or supports of the rails must be taken to ensure that a removal of the support plate from the mold can be performed as easily as possible. This prefabricated support plate is provided on the bottom with a rubber granulate with 3 mm thickness. Such a rubber granulate is additionally arranged on the walls of the recesses 2. The support plates are then brought with spindles on a leveled ground and then on the recesses 2 or so required, through further recesses filling the gap between the substrate and the plate and in the recesses, for example, made with concrete.

Claims (7)

  1. A prefabricated, mild-steel reinforced support plate (1), which has a rectangular shape and is made of concrete, for at least two rails of a ballastless superstructure for rail-borne traffic, wherein the longer sides of the support plate (1) during operation extend in the longitudinal direction of the rails, wherein at least two continuous recesses (2), which are longer in the longitudinal direction (a) than in the direction extending perpendicular thereto, are provided in the support plate (1), and wherein the support plate (1) features a rubber-elastic coating on its side that forms the underside during operation, characterized in that the mild-steel reinforcement is realized in the form of an upper reinforcement (5) and a lower reinforcement (6) of concrete steel rods, which respectively feature a welded rectangular frame (8, 9) of concrete steel rods that respectively lies in essentially one plane, wherein the upper and lower reinforcements (5, 6) are connected by means of transverse reinforcements (7) of concrete steel rods, and wherein said transverse reinforcements are connected to the upper frame (8) and the lower frame (9) and extend around both frames (8, 9).
  2. The support plate (1) according to claim 1, characterized in that the upper (5) and the lower (6) reinforcement respectively feature at least two longitudinal reinforcements (10) of concrete steel rods, which extend in the longitudinal direction of the support plate (1) and are respectively arranged on both sides of the recesses (2), wherein said longitudinal reinforcements are respectively connected to the upper and the lower frame (8, 9) on their ends.
  3. The support plate (1) according to claim 1 or 2, characterized in that the upper (5) and the lower (6) reinforcement feature transverse reinforcements (12) of concrete steel rods arranged on both sides of each recess (2), wherein said transverse reinforcements are shorter than the transverse reinforcements (7), which are respectively connected to the upper (8) and the lower (9) frame, and connected to the longitudinal reinforcements (10) that are connected to the frames (8, 9).
  4. The support plate (1) according to one of claims 1-3, characterized in that the upper (5) and the lower (6) reinforcement feature longitudinal reinforcements (11) of concrete steel rods that are shorter than the longitudinal reinforcements (10) connected to the frames (8, 9), wherein the shorter longitudinal reinforcements (11) are connected to transverse reinforcements (7) of concrete steel rods, which are respectively connected to the upper and the lower frame (8, 9) with concrete steel rods.
  5. The support plate (1) according to one of claims 1-4, characterized in that reinforcements (13) of concrete steel rods, which extend obliquely to the longitudinal reinforcement, are provided in the upper reinforcement (5) of concrete steel rods, as well as in the lower reinforcement (6) of concrete steel rods, wherein said obliquely extending reinforcements connect longitudinal and transverse reinforcements (10, 7) of concrete steel rods that are directly connected to the upper and the lower frame (8, 9) of concrete steel rods.
  6. The support plate (1) according to claim 3, 4 or 5, characterized in that the obliquely extending reinforcements (13) of concrete steel rods additionally connect the shorter link shorter longitudinal reinforcements (11, 12, 14), which respectively consist of concrete steel rods.
  7. The support plate (1) according to one of claims 1-6, characterized in that longitudinal reinforcements (14) are provided between the recesses (2) and are connected to the transverse reinforcements (7), which are respectively connected to the upper (8) and the lower (9) frame.
EP05729172.6A 2004-04-14 2005-04-12 Prefabricated, traditionnaly reinforced support panel Active EP1735500B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT6422004A AT500284B8 (en) 2004-04-14 2004-04-14 PREPARED, PARTICULAR SLEEP, REINFORCED SUPPORT PLATE
PCT/AT2005/000123 WO2005100692A1 (en) 2004-04-14 2005-04-12 Prefabricated, particularly mild-steel, reinforced support plate

Publications (2)

Publication Number Publication Date
EP1735500A1 EP1735500A1 (en) 2006-12-27
EP1735500B1 true EP1735500B1 (en) 2016-05-11

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Application Number Title Priority Date Filing Date
EP05729172.6A Active EP1735500B1 (en) 2004-04-14 2005-04-12 Prefabricated, traditionnaly reinforced support panel

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EP (1) EP1735500B1 (en)
AT (1) AT500284B8 (en)
DK (1) DK1735500T3 (en)
ES (1) ES2585905T3 (en)
PT (1) PT1735500T (en)
WO (1) WO2005100692A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516518B1 (en) 2015-01-28 2016-06-15 Porr Bau Gmbh Reinforced reinforced concrete slab
HUP1800227A2 (en) * 2018-06-27 2019-12-30 Robert Csepke Sleeper

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1409788A1 (en) * 1962-02-05 1968-12-12 Baustahlgewebe Gmbh Reinforcement arrangement for existing reinforced concrete slabs
DE2827653A1 (en) * 1978-06-23 1980-01-10 Saunders Reeve Engineering Ltd Continuous concrete slab railway rail support superstructure - has continuous elastic wedge underlay, with edge bars on flat base slab
AT377806B (en) * 1982-11-16 1985-05-10 Dyckerhoff & Widmann Ag RAILWAY CONSTRUCTION
AT390976B (en) 1988-12-19 1990-07-25 Porr Allg Bauges METHOD FOR ESTABLISHING A GRAVEL-FREE TOP, AND A TOP MANUFACTURED BY THIS METHOD
NL1009311C2 (en) * 1998-06-04 1999-04-27 Milan Duskov Railway track construction - has track supported on load distributing layer resting on top of low density foundation layer, preferably comprising a composite material or expanded polystyrene hard foam
AT410329B (en) * 1999-03-19 2003-03-25 Porr Allg Bauges Ballastless superstructure
JP4430173B2 (en) * 1999-10-12 2010-03-10 西松建設株式会社 Hole reinforcing member and hole reinforcing structure
DE10327467A1 (en) * 2002-06-21 2004-01-08 Jörger, Konrad Platform construction method for fixed train track involves ballast surface and a rear formed surface using bringing the filling material and binding material to the ballast surface and mixing together

Also Published As

Publication number Publication date
AT500284B1 (en) 2006-08-15
AT500284A1 (en) 2005-11-15
PT1735500T (en) 2016-08-18
EP1735500A1 (en) 2006-12-27
AT500284B8 (en) 2007-02-15
DK1735500T3 (en) 2016-08-22
ES2585905T3 (en) 2016-10-10
WO2005100692A1 (en) 2005-10-27

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