EP2997194A1 - Concrete sleeper and solid carriageway - Google Patents

Concrete sleeper and solid carriageway

Info

Publication number
EP2997194A1
EP2997194A1 EP14715896.8A EP14715896A EP2997194A1 EP 2997194 A1 EP2997194 A1 EP 2997194A1 EP 14715896 A EP14715896 A EP 14715896A EP 2997194 A1 EP2997194 A1 EP 2997194A1
Authority
EP
European Patent Office
Prior art keywords
concrete sleeper
concrete
sole
dowel
ring
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
EP14715896.8A
Other languages
German (de)
French (fr)
Other versions
EP2997194B1 (en
Inventor
Arnold Pieringer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pcm Railone AG
Rail One GmbH
Original Assignee
Rail One GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rail One GmbH filed Critical Rail One GmbH
Publication of EP2997194A1 publication Critical patent/EP2997194A1/en
Application granted granted Critical
Publication of EP2997194B1 publication Critical patent/EP2997194B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E01B3/42—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone combined with inserts of wood or other material
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • 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
    • E01B1/007—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with interlocking means to withstand horizontal forces

Definitions

  • the invention relates to a concrete sleeper for a fixed carriageway, with a dowel stone, which is inserted with its upper portion in a lower side recess of the concrete sleeper and elastically supported by means of a ring made of an elastomer and with its lower portion in a fillable recess of a cover layer of fixed roadway is used.
  • a concrete sleeper for a fixed carriageway.
  • the fixed carriageway comprises a lower support layer, a first applied asphalt layer and a second asphalt layer applied as a cover layer.
  • the cover layer has recesses into which a dowel is inserted, which is thus arranged with its lower portion in the recess and with its upper portion in the lower side recess of the concrete sleeper.
  • the concrete sleeper is designed as a broad threshold, d. H. between two adjacent concrete sleepers only a small distance is provided.
  • Such a fixed track is offered by the applicant under the name Getrac (registered trademark).
  • Getrac registered trademark
  • the arranged between the concrete sleeper and the dowel elastic ring is conically formed on its outer side, whereby the insertion is facilitated.
  • At the bottom of the concrete sleeper is a thin fleece to compensate for any unevenness of the top layer.
  • Such solid roadways with elastic intermediate layers represent a mass-spring system can be transmitted by the vibrations and structure-borne noise to adjacent areas, buildings and structures. These waves can Both in the audible frequency range cause noise (secondary airborne sound) as well as cause vibrations of the floor or buildings. In the design of such a fixed track is therefore sought, the
  • the invention is therefore based on the object of specifying a concrete sleeper for a fixed carriageway, by which vibrations are transmitted less strongly to adjacent areas.
  • a sole made of an elastic material is arranged on the underside of the concrete sleeper.
  • the invention is based on the recognition that a considerable improvement, i. a reduction of the vibration emissions can be achieved by the spring of the mass-spring system tolerated as tolerated superstructure as possible and the above the spring arranged mass is increased.
  • a sole made of an elastic material is arranged on the underside of the concrete sleeper, whereby the mass (concrete sleeper) mounted on the spring (sole) is considerably increased compared to a merely elastically mounted rail of a conventional solid pavement.
  • the sole of the concrete sleeper according to the invention may be made of an elastomer, particularly preferred being EPDM (ethylene-propylene-diene monomer).
  • the sole may be loose or alternatively connected to the concrete sleeper, e.g. B. glued.
  • the sole is designed according to static and dynamic requirements, in particular the thickness and the rigidity of the sole are dimensioned such that a required or desired
  • the depressions can reach 1, 5 mm to 4 mm in such a sole.
  • the sole may be provided on one or both sides with a fleece.
  • a development of the invention may provide that the sole has a recess in the region of the lower-side recess for the dowel brick.
  • this recess also at the threshold ends
  • the dowel of the concrete sleeper according to the invention has a step with a downwardly enlarged diameter, wherein the outer edge of the step is preferably rounded. The rounded step prevents the ring made from the elastomer from being damaged by the millions of drop-in movements that occur during operation. Since no sharp edge is present at this point, unlike in the prior art, damage to the elastomeric ring is avoided.
  • the width of the step of the dowel block can be so dimensioned that the ring rests approximately at half its radial width on the level of the dowel block.
  • the underside recess of the concrete sleeper has a circumferential preferably rounded step, against which the ring abuts with its upper outer corner.
  • the ring is approximately at half its radial width at the level of the concrete sleeper. This means that the ring, which has a quadrangular or approximately rectangular cross-section, on two diagonally opposite
  • Corner points rests so that it undergoes shear deformation under load and deformed much like a parallelogram. This deformation is based on the one hand with its upper, outer corner at the level of
  • the ring may be formed as a square, square or hexagonal enclosure.
  • the ring is thus clamped at the concrete sleeper invention above and below, as he on the top of the step of the recess of the concrete sleeper and at the bottom of the dowel stone or rests. It is essential that the ring stored at the top on its outside and at the bottom on its inside
  • the invention relates to a fixed carriageway, comprising several
  • Base layer are embedded, wherein the cover layer or the support layer has on its upper side recesses for the dowel bricks, which are filled with a potting compound.
  • Fig. 1 is a side view of a concrete sleeper according to the invention
  • Fig. 2 is a plan view of the concrete sleeper of Fig. 1;
  • Fig. 3 is a cross-sectional view of one in a fixed
  • FIG. 4 shows a longitudinal section of the embedded in a solid roadway
  • the concrete sleeper 1 shown in Figs. 1 and 2 in a side view and a plan view is formed as a broad threshold and comprises two
  • Threshold blocks 2, 3 at the top rail supports 4, 5 are formed.
  • the two threshold blocks 2, 3 are connected by a middle section 6
  • the in this embodiment described broad threshold is not to be understood as a limitation, since the concrete sleeper can also have a different shape, such as a cuboid shape.
  • the threshold blocks 2, 3 form with the rail supports 4, 5 and the central portion 6 an integral, monolithic component.
  • Below the threshold blocks 2, 3 is in each case a sole 7, 8 arranged from an elastic material.
  • the sole is made of EPDM (ethylene-propylene-diene monomer) and has a thickness of 14 mm.
  • the specified thickness is not to be understood as a limitation, but the thickness of the sole can typically be between 6 and 20 mm, the sole thickness used is used in the context of the design of the stiffness and the
  • the concrete sleeper 1 On its underside, the concrete sleeper 1 has in its middle section 6 an annular recess 9 into which a dowel block with an elastomeric ring can be inserted. When installed, the concrete sleeper 1 is above the
  • Dowel stone coupled with the base course of a fixed carriageway, so that horizontal forces can be transferred to the ground. Vertical forces are introduced from the concrete sleeper 1 via the sole 7, 8 in the base course. At a fixed roadway, at least every second or third concrete sleeper is provided with a dowel.
  • Fig. 3 shows the concrete sleeper 1 cut in the transverse direction in the region of its recess, after installation in a fixed carriageway.
  • the concrete sleeper 1 has a plurality of reinforcing bars 10, 1 1, which may be limp or biased.
  • a dowel brick 12 is arranged, which is secured with an assembly line 13.
  • an elastic ring 14 which is made of an elastomer.
  • the dowel block 12 has a step 15. Below level 15, the dowel brick 12 has a larger one
  • the recess 9 of the concrete sleeper 1 has a peripheral step 17 with an outwardly enlarged diameter, at this stage 17 is the ring 14 with its upper outer corner.
  • the step 17 is rounded as the step 15, whereby damage to the ring 14 is avoided under load deformation.
  • Fig. 3 it is shown that the ring 14 approximately at its half radial width at the step 17 of the recess 9 of the
  • an asphalt base layer 18 is provided with recesses 19 for the dowels 12.
  • the recesses 19 are cylindrical and adapted to the size of the dowels 12, the depth of the recesses 19 is chosen so that below the dowel stone inserted together with the concrete sleeper, a free space 20 remains, the
  • the concrete sleepers 1 have rail fastenings, which - unlike conventional fixed carriageways - are not highly elastic rail fastenings.
  • the rail fastenings used allow compensation in height and lateral direction.
  • the height compensation is made possible by documents of different thicknesses, the side compensation by angle guide plates of different widths.
  • FIG. 4 shows a fixed track 23 comprising the concrete sleeper 1, are supported on the rails 24 which are held by rail fasteners 25.
  • the concrete sleeper 1 is above the dowel block 12 with a
  • Asphalt cover layer 26 which is located above an asphalt base layer 27.
  • the multi-layer asphalt base course is supported on an antifreeze layer 28. The loads occurring when driving on the fixed carriageway 23 are substantially above the below
  • Concrete sleeper 1 is mounted elastically, causing the tuning frequency
  • the threshold When driving by rail vehicles, the threshold is moved vertically downwards and then up again.
  • the ring 14 can absorb these movements approximately wear-neutral, since it at two diagonal
  • the fixed carriageway is made in concrete construction.
  • the concrete sleepers are mounted by means of the dowel on a concrete base course.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention relates to a concrete sleeper (1) for a solid carriageway (23), having a fixing block (12), which is inserted with the upper section thereof into an underside recess (9) in the concrete sleeper (1), is mounted elastically by means of a ring (14) produced from an elastomer and which can be inserted with the lower section thereof into a fillable cut-out (19) in a top layer of the solid carriageway (23), wherein a base (7, 8) consisting of an elastic material is arranged on the underside of the concrete sleeper (1).

Description

Betonschwelle und feste Fahrbahn  Concrete sleepers and fixed carriageway
Die Erfindung betrifft eine Betonschwelle für eine feste Fahrbahn, mit einem Dübelstein, der mit seinem oberen Abschnitt in eine unterseitige Ausnehmung der Betonschwelle eingesetzt und mittels eines aus einem Elastomer hergestellten Rings elastisch gelagert ist und der mit seinem unteren Abschnitt in eine verfüllbare Aussparung einer Deckschicht der festen Fahrbahn einsetzbar ist. The invention relates to a concrete sleeper for a fixed carriageway, with a dowel stone, which is inserted with its upper portion in a lower side recess of the concrete sleeper and elastically supported by means of a ring made of an elastomer and with its lower portion in a fillable recess of a cover layer of fixed roadway is used.
In der DE 202 13 667 U1 wird eine Betonschwelle für eine feste Fahrbahn vorgeschlagen. Die feste Fahrbahn umfasst eine untere Tragschicht, eine erste aufgebrachte Asphaltschicht und eine zweite als Deckschicht aufgebrachte Asphaltschicht. Die Deckschicht weist Aussparungen auf, in die ein Dübelstein eingesetzt ist, der somit mit seinem unteren Abschnitt in der Aussparung und mit seinem oberen Abschnitt in der unterseitigen Ausnehmung der Betonschwelle angeordnet ist. Die Betonschwelle ist als Breitschwelle ausgebildet, d. h. zwischen zwei benachbarten Betonschwellen ist lediglich ein geringer Abstand vorgesehen. Eine derartige feste Fahrbahn wird von der Anmelderin unter der Bezeichnung Getrac (eingetragene Marke) angeboten. Eine ähnlich aufgebaute feste Fahrbahn wird in der DE 102 30 740 A1 In DE 202 13 667 U1 a concrete sleeper is proposed for a fixed carriageway. The fixed carriageway comprises a lower support layer, a first applied asphalt layer and a second asphalt layer applied as a cover layer. The cover layer has recesses into which a dowel is inserted, which is thus arranged with its lower portion in the recess and with its upper portion in the lower side recess of the concrete sleeper. The concrete sleeper is designed as a broad threshold, d. H. between two adjacent concrete sleepers only a small distance is provided. Such a fixed track is offered by the applicant under the name Getrac (registered trademark). A similarly constructed fixed carriageway is described in DE 102 30 740 A1
beschrieben. Der zwischen der Betonschwelle und dem Dübelstein angeordnete elastische Ring ist an seiner Außenseite konisch ausgebildet, wodurch das Einsetzen erleichtert wird. An der Unterseite der Betonschwelle befindet sich ein dünnes Vlies, um eventuelle Unebenheiten der Deckschicht auszugleichen. Da die Betonschwelle wegen der harten Tragschichten, die bei diesem System described. The arranged between the concrete sleeper and the dowel elastic ring is conically formed on its outer side, whereby the insertion is facilitated. At the bottom of the concrete sleeper is a thin fleece to compensate for any unevenness of the top layer. Because of the concrete sleeper, because of the hard base courses, in this system
üblicherweise aus Asphalt hergestellt sind, hart gebettet ist, wird sie üblicherweise mit einer hochelastischen Befestigung montiert, die die beim Befahren durch Schienenfahrzeuge auftretenden Lasten aufnehmen und in Längsrichtung verteilen kann. Usually made of asphalt, is hard-bedded, it is usually mounted with a highly elastic attachment that can absorb the loads occurring when driving on rail vehicles and distribute in the longitudinal direction.
Derartige feste Fahrbahnen mit elastischen Zwischenschichten stellen ein Masse- Feder-System dar, durch das Erschütterungen und Körperschall an benachbarte Flächen, Gebäude und Bauwerke übertragen werden kann. Diese Wellen können sowohl im hörbaren Frequenzbereich Geräusche (Sekundärluftschall) verursachen als auch Vibrationen des Bodens oder von Gebäuden verursachen. Bei der Auslegung einer derartigen festen Fahrbahn wird daher angestrebt, den Such solid roadways with elastic intermediate layers represent a mass-spring system can be transmitted by the vibrations and structure-borne noise to adjacent areas, buildings and structures. These waves can Both in the audible frequency range cause noise (secondary airborne sound) as well as cause vibrations of the floor or buildings. In the design of such a fixed track is therefore sought, the
Frequenzbereich und die Amplitude der erzeugten Schwingungen so festzulegen, dass die Erschütterungen bzw. der erzeugte Schall auf bestimmte, nicht störende Frequenzbereiche beschränkt bleiben. Define frequency range and the amplitude of the vibrations generated so that the vibrations or the generated sound remain limited to certain non-interfering frequency ranges.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Betonschwelle für eine feste Fahrbahn anzugeben, durch die Erschütterungen weniger stark an benachbarte Bereiche übertragen werden. The invention is therefore based on the object of specifying a concrete sleeper for a fixed carriageway, by which vibrations are transmitted less strongly to adjacent areas.
Zur Lösung dieser Aufgabe ist bei einer Betonschwelle der eingangs genannten Art erfindungsgemäß vorgesehen, dass an der Unterseite der Betonschwelle eine Sohle aus einem elastischen Material angeordnet ist. To solve this problem is provided according to the invention in a concrete sleeper of the type mentioned that a sole made of an elastic material is arranged on the underside of the concrete sleeper.
Die Erfindung beruht auf der Erkenntnis, dass eine erhebliche Verbesserung, d.h. eine Verringerung der Schwingungsemissionen erzielt werden kann, indem die Feder des Masse-Feder-Systems oberbauverträglich möglichst weich gewählt und die oberhalb der Feder angeordnete Masse erhöht wird. The invention is based on the recognition that a considerable improvement, i. a reduction of the vibration emissions can be achieved by the spring of the mass-spring system tolerated as tolerated superstructure as possible and the above the spring arranged mass is increased.
Bei herkömmlichen festen Fahrbahnen weist lediglich die hochelastische In conventional fixed carriageways, only the highly elastic
Schienenbefestigung federnde Eigenschaften auf. Die Betonschwelle, die eine beträchtliche Masse in der Größenordnung von 300 - 1 .200 kg aufweisen kann, ist bei der herkömmlichen festen Fahrbahn jedoch hart auf der Deckschicht aufgelagert. Rail fastening resilient properties. However, the concrete sleeper, which may have a considerable mass on the order of 300-1,200 kg, is heavily supported on the top layer in the conventional solid pavement.
Erfindungsgemäß ist demgegenüber an der Unterseite der Betonschwelle eine Sohle aus einem elastischen Material angeordnet, wodurch die auf der Feder (Sohle) gelagerte Masse (Betonschwelle) im Vergleich zu einer lediglich elastisch gelagerten Schiene einer herkömmlichen festen Fahrbahn beträchtlich erhöht wird. Versuche haben ergeben, dass durch die erfindungsgemäße Betonschwelle Erschütterungen im Vergleich zu einer herkömmlichen festen Fahrbahn weniger stark in die Umgebung übertragen werden. Die Sohle der erfindungsgemäßen Betonschwelle kann aus einem Elastomer hergestellt sein, besonders bevorzugt wird dabei EPDM (Ethylen-Propylen-Dien- Monomer). Die Sohle kann lose oder alternativ mit der Betonschwelle verbunden, z. B. verklebt sein. According to the invention, on the other hand, a sole made of an elastic material is arranged on the underside of the concrete sleeper, whereby the mass (concrete sleeper) mounted on the spring (sole) is considerably increased compared to a merely elastically mounted rail of a conventional solid pavement. Experiments have shown that the concrete sleeper according to the invention shakes less than in a conventional fixed carriageway less strongly transmitted to the environment. The sole of the concrete sleeper according to the invention may be made of an elastomer, particularly preferred being EPDM (ethylene-propylene-diene monomer). The sole may be loose or alternatively connected to the concrete sleeper, e.g. B. glued.
Bei der erfindungsgemäßen Betonschwelle wird die Sohle gemäß statischen und dynamischen Erfordernissen ausgelegt, insbesondere wird die Dicke und die Steifigkeit der Sohle so bemessen, dass eine geforderte bzw. gewünschte In the concrete sleeper according to the invention, the sole is designed according to static and dynamic requirements, in particular the thickness and the rigidity of the sole are dimensioned such that a required or desired
Einsenkung beim Befahren durch ein Schienenfahrzeug erzielt wird, die auch hinsichtlich der Stabilität der Schienen verträglich ist. Die Sohle kann Lowering when driving through a rail vehicle is achieved, which is also compatible with respect to the stability of the rails. The sole can
vorzugsweise eine Dicke zwischen 6 mm und 20 mm aufweisen, besonders bevorzugt wird eine Sohlendicke zwischen 8 mm und 14 mm. Die Einsenkungen können bei einer derartigen Sohle 1 ,5 mm bis 4 mm erreichen. preferably have a thickness between 6 mm and 20 mm, more preferably a sole thickness between 8 mm and 14 mm. The depressions can reach 1, 5 mm to 4 mm in such a sole.
Um die mechanische Festigkeit der Sohle der erfindungsgemäßen Betonschwelle zu verbessern, kann die Sohle an einer oder an beiden Seiten mit einem Vlies versehen sein. Eine Weiterbildung der Erfindung kann vorsehen, dass die Sohle eine Aussparung im Bereich der unterseitigen Ausnehmung für den Dübelstein aufweist. In order to improve the mechanical strength of the sole of the concrete sleeper according to the invention, the sole may be provided on one or both sides with a fleece. A development of the invention may provide that the sole has a recess in the region of the lower-side recess for the dowel brick.
Gegebenenfalls kann diese Aussparung auch an den Schwellenenden Optionally, this recess also at the threshold ends
vorgesehen sein. Diese Ausnehmung kann kreisförmig oder quadratisch sein, so dass der Dübelstein problemlos montiert werden kann. Der Dübelstein muss nicht notwenigerweise rund bzw. zylinderförmig sein, daneben kann er auch viereckig oder sechseckig sein. Alternativ kann die Sohle zweiteilig ausgebildet sein, indem ein erster Sohlenabschnitt unterhalb eines Schwellenblocks und ein zweiter Sohlenabschnitt unterhalb des zweiten, gegenüberliegenden Schwellenblocks angeordnet wird. In Abhängigkeit der jeweiligen Auslegung kann es auch vorgesehen sein, dass die Sohle nicht vollflächig unterhalb eines Schwellenblocks bzw. eines Schienenauflagers ausgebildet ist, stattdessen kann sie z. B. als Streifen ausgebildet sein, der schmaler als das Schienenauflager ausgebildet ist. Es ist auch denkbar, dass der Dübelstein der erfindungsgemäßen Betonschwelle eine Stufe mit einem nach unten vergrößerten Durchmesser aufweist, wobei die Außenkante der Stufe vorzugsweise abgerundet ist. Die abgerundete Stufe verhindert, dass der aus dem Elastomer hergestellte Ring durch die während des Betriebs millionenfach auftretenden Einsenkbewegungen beschädigt wird. Da an dieser Stelle anders als im Stand der Technik keine scharfe Kante vorhanden ist, wird eine Beschädigung des Elastomerrings vermieden. be provided. This recess may be circular or square, so that the dowel stone can be easily mounted. The dowel must not necessarily be round or cylindrical, but it may also be square or hexagonal. Alternatively, the sole may be formed in two parts by a first sole portion is arranged below a threshold block and a second sole portion below the second, opposite threshold block. Depending on the particular design, it may also be provided that the sole is not formed over its entire surface below a threshold block or a rail support, instead it may, for. B. may be formed as a strip which is narrower than the rail support. It is also conceivable that the dowel of the concrete sleeper according to the invention has a step with a downwardly enlarged diameter, wherein the outer edge of the step is preferably rounded. The rounded step prevents the ring made from the elastomer from being damaged by the millions of drop-in movements that occur during operation. Since no sharp edge is present at this point, unlike in the prior art, damage to the elastomeric ring is avoided.
Die Breite der Stufe des Dübelsteins kann dabei so bemessen sein, dass der Ring näherungsweise mit seiner halben radialen Breite auf der Stufe des Dübelsteins aufliegt. The width of the step of the dowel block can be so dimensioned that the ring rests approximately at half its radial width on the level of the dowel block.
Es liegt auch im Rahmen der Erfindung, dass die unterseitige Ausnehmung der Betonschwelle eine umlaufende vorzugsweise abgerundete Stufe aufweist, an der der Ring mit seiner oberen äußeren Ecke anliegt. Vorzugsweise liegt der Ring näherungsweise auf seiner halben radialen Breite an der Stufe der Betonschwelle an. Das bedeutet, dass der Ring, der einen viereckigen oder näherungsweise rechteckigen Querschnitt aufweist, an zwei diagonal gegenüberliegenden It is also within the scope of the invention that the underside recess of the concrete sleeper has a circumferential preferably rounded step, against which the ring abuts with its upper outer corner. Preferably, the ring is approximately at half its radial width at the level of the concrete sleeper. This means that the ring, which has a quadrangular or approximately rectangular cross-section, on two diagonally opposite
Eckpunkten aufliegt, so dass er bei Belastung eine Schubverformung erfährt und sich ähnlich wie ein Parallelogramm verformt. Diese Verformung beruht darauf, dass er einerseits mit seiner oberen, äußeren Ecke an der Stufe der Corner points rests so that it undergoes shear deformation under load and deformed much like a parallelogram. This deformation is based on the one hand with its upper, outer corner at the level of
Betonschwelle und andererseits mit seiner unteren, inneren Ecke an der Stufe des Dübelsteins anliegt. Wenn die Betonschwelle beim Überfahren eines Concrete threshold and on the other hand, with its lower, inner corner of the step of the dowel stone rests. If the concrete threshold when crossing a
Schienenfahrzeugs vertikal belastet wird, federt zuerst die Sohle der Rail vehicle is loaded vertically, first springs the sole of the
Betonschwelle und gleichzeitig der Ring vertikal ein, auftretende Horizontal kräfte werden über den Dübelstein in die Tragschicht eingeleitet. Der Ring ist Concrete sleeper and at the same time the ring vertically, occurring horizontal forces are introduced via the dowel in the support layer. The ring is
vorzugsweise kreisförmig ausgebildet, daneben sind auch andere, an den preferably circular in shape, next to it are others to the
Querschnitt des Dübelsteins angepasste Ausführungen denkbar, z. B. kann der Ring als viereckige, quadratische oder sechseckige Umfassung ausgebildet sein. Cross-section of the dowel brick adapted designs conceivable, z. B., the ring may be formed as a square, square or hexagonal enclosure.
Der Ring ist somit bei der erfindungsgemäßen Betonschwelle oben und unten geklemmt, da er oben an der Stufe der Ausnehmung der Betonschwelle und unten an der Stufe des Dübelsteins an- bzw. aufliegt. Wesentlich ist dabei, dass der Ring oben an seiner Außenseite und unten an seiner Innenseite gelagert bzw. The ring is thus clamped at the concrete sleeper invention above and below, as he on the top of the step of the recess of the concrete sleeper and at the bottom of the dowel stone or rests. It is essential that the ring stored at the top on its outside and at the bottom on its inside
abgestützt ist. Dadurch ergibt sich die zuvor erläuterte parallelogrammartige Schubverformung, die eine gewisse vertikale Bewegung der aufgelagerten Betonschwelle ermöglicht. Diese Schubverformung weist den Vorteil auf, dass der Ring dadurch nur mäßig belastet wird, wodurch eine lange Lebensdauer zu erwarten ist. is supported. This results in the previously described parallelogram shear deformation, which allows a certain vertical movement of the superposed concrete sleeper. This shear deformation has the advantage that the ring is thereby only moderately stressed, whereby a long life is expected.
Daneben betrifft die Erfindung eine feste Fahrbahn, umfassend mehrere In addition, the invention relates to a fixed carriageway, comprising several
Betonschwellen der beschriebenen Art, die in eine Deckschicht oder eine Concrete sleepers of the type described, in a cover layer or a
Tragschicht eingebettet sind, wobei die Deckschicht oder die Tragschicht an ihrer Oberseite Aussparungen für die Dübelsteine aufweist, die mit einer Vergussmasse verfüllt sind. Base layer are embedded, wherein the cover layer or the support layer has on its upper side recesses for the dowel bricks, which are filled with a potting compound.
Weitere Vorteile und Einzelheiten der Erfindung werden nachfolgend anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnungen erläutert. Die Zeichnungen sind schematische Darstellungen und zeigen: Further advantages and details of the invention will be explained below with reference to an embodiment with reference to the drawings. The drawings are schematic representations and show:
Fig. 1 eine Seitenansicht einer erfindungsgemäßen Betonschwelle; Fig. 2 eine Draufsicht der Betonschwelle von Fig. 1 ; Fig. 1 is a side view of a concrete sleeper according to the invention; Fig. 2 is a plan view of the concrete sleeper of Fig. 1;
Fig. 3 eine in Querrichtung geschnittene Ansicht einer in eine feste Fig. 3 is a cross-sectional view of one in a fixed
Fahrbahn eingebetteten Betonschwelle; und Fig. 4 einen Längsschnitt der in eine feste Fahrbahn eingebetteten  Roadway embedded concrete sleepers; and FIG. 4 shows a longitudinal section of the embedded in a solid roadway
erfindungsgemäßen Betonschwelle.  concrete sleeper according to the invention.
Die in den Fig. 1 und 2 in einer Seitenansicht und einer Draufsicht gezeigte Betonschwelle 1 ist als Breitschwelle ausgebildet und umfasst zwei The concrete sleeper 1 shown in Figs. 1 and 2 in a side view and a plan view is formed as a broad threshold and comprises two
Schwellenblöcke 2, 3 an deren Oberseite Schienenauflager 4, 5 ausgebildet sind. Die beiden Schwellenblöcke 2, 3 sind durch einen mittleren Abschnitt 6 Threshold blocks 2, 3 at the top rail supports 4, 5 are formed. The two threshold blocks 2, 3 are connected by a middle section 6
miteinander verbunden, der - wie in Fig. 2 zu sehen ist - eine geringere Breite als die Schwellenblöcke 2, 3 aufweist. Die in diesem Ausführungsbeispiel beschriebene Breitschwelle ist nicht als Beschränkung zu verstehen, da die Betonschwelle auch eine andere Form, z.B. eine Quaderform, aufweisen kann. Die Schwellenblöcke 2, 3 bilden mit den Schienenauflagern 4, 5 und dem mittleren Abschnitt 6 ein integrales, monolithisches Bauteil. Unterhalb der Schwellenblöcke 2, 3 ist jeweils eine Sohle 7, 8 aus einem elastischen Material angeordnet. In dem dargestellten Ausführungsbeispiel besteht die Sohle aus EPDM (Ethylen- Propylen-Dien-Monomer) und besitzt eine Dicke von 14 mm. Die angegebene Dicke ist allerdings nicht als Beschränkung zu verstehen, vielmehr kann die Dicke der Sohle typischerweise zwischen 6 und 20 mm betragen, die verwendete Sohlendicke wird im Rahmen der Bemessung der Steifigkeit und der interconnected, which - as can be seen in Fig. 2 - has a smaller width than the threshold blocks 2, 3. The in this embodiment described broad threshold is not to be understood as a limitation, since the concrete sleeper can also have a different shape, such as a cuboid shape. The threshold blocks 2, 3 form with the rail supports 4, 5 and the central portion 6 an integral, monolithic component. Below the threshold blocks 2, 3 is in each case a sole 7, 8 arranged from an elastic material. In the illustrated embodiment, the sole is made of EPDM (ethylene-propylene-diene monomer) and has a thickness of 14 mm. The specified thickness is not to be understood as a limitation, but the thickness of the sole can typically be between 6 and 20 mm, the sole thickness used is used in the context of the design of the stiffness and the
Abstimmungsfrequenz der Betonschwelle festgelegt. Tuning frequency of concrete threshold set.
An ihrer Unterseite weist die Betonschwelle 1 in ihrem mittleren Abschnitt 6 eine ringförmige Ausnehmung 9 auf, in die ein Dübelstein mit einem elastomeren Ring einsetzbar ist. Im eingebauten Zustand ist die Betonschwelle 1 über den On its underside, the concrete sleeper 1 has in its middle section 6 an annular recess 9 into which a dowel block with an elastomeric ring can be inserted. When installed, the concrete sleeper 1 is above the
Dübelstein mit der Tragschicht einer festen Fahrbahn gekoppelt, so dass horizontale Kräfte in den Untergrund übertragen werden können. Vertikale Kräfte werden von der Betonschwelle 1 über die Sohle 7, 8 in die Tragschicht eingeleitet. Bei einer festen Fahrbahn ist zumindest jede zweite oder dritte Betonschwelle mit einem Dübelstein versehen. Dowel stone coupled with the base course of a fixed carriageway, so that horizontal forces can be transferred to the ground. Vertical forces are introduced from the concrete sleeper 1 via the sole 7, 8 in the base course. At a fixed roadway, at least every second or third concrete sleeper is provided with a dowel.
Fig. 3 zeigt die Betonschwelle 1 in Querrichtung geschnitten im Bereich ihrer Ausnehmung, nach dem Einbau in eine feste Fahrbahn. Die Betonschwelle 1 weist mehrere Bewehrungsstäbe 10, 1 1 auf, die schlaff oder vorgespannt sein können. Unterhalb der Betonschwelle 1 ist ein Dübelstein 12 angeordnet, der mit einem Montageband 13 gesichert ist. Zwischen dem Dübelstein 12 und der Betonschwelle 1 befindet sich ein elastischer Ring 14, der aus einem Elastomer hergestellt ist. In Fig. 3 erkennt man, dass der Dübelstein 12 eine Stufe 15 aufweist. Unterhalb der Stufe 15 weist der Dübelstein 12 einen größeren Fig. 3 shows the concrete sleeper 1 cut in the transverse direction in the region of its recess, after installation in a fixed carriageway. The concrete sleeper 1 has a plurality of reinforcing bars 10, 1 1, which may be limp or biased. Below the concrete sleeper 1 a dowel brick 12 is arranged, which is secured with an assembly line 13. Between the dowel block 12 and the concrete sleeper 1 is an elastic ring 14 which is made of an elastomer. In Fig. 3 it can be seen that the dowel block 12 has a step 15. Below level 15, the dowel brick 12 has a larger one
Durchmesser als oberhalb der Stufe 15 auf. Die durch die Stufe 15 gebildeteDiameter than above the 15 level. The formed by the stage 15
Außenkante, auf der eine Ecke des Rings 14 aufliegt, ist abgerundet. In Fig. 3 ist auch erkennbar, dass der Ring 14 näherungsweise mit seiner halben Breite auf der abgerundeten Stufe 15 aufliegt, die äußere Ecke des Rings 14 berührt eine Seitenfläche 16 der Ausnehmung 9. Vertikal ist die äußere Ecke des Rings 14 nicht aufgelagert, so dass sich der Ring 14 zumindest geringfügig vertikal bewegen kann. Zwischen der Oberseite des Dübelsteins 12 und der Unterseite der Ausnehmung 9 ist ein Freiraum gebildet. Outer edge on which rests a corner of the ring 14 is rounded. In Fig. 3 it can also be seen that the ring 14 rests approximately with its half width on the rounded step 15, the outer corner of the ring 14 contacts a Side surface 16 of the recess 9. Vertically, the outer corner of the ring 14 is not superimposed, so that the ring 14 can move at least slightly vertically. Between the top of the dowel block 12 and the bottom of the recess 9 a space is formed.
Die Ausnehmung 9 der Betonschwelle 1 weist eine umlaufende Stufe 17 mit einem sich nach außen vergrößerten Durchmesser auf, an dieser Stufe 17 liegt der Ring 14 mit seiner oberen äußeren Ecke an. Die Stufe 17 ist wie die Stufe 15 abgerundet, wodurch eine Beschädigung des Rings 14 unter Lastverformung vermieden wird. In Fig. 3 ist dargestellt, dass der Ring 14 näherungsweise auf seiner halben radialen Breite an der Stufe 17 der Ausnehmung 9 der The recess 9 of the concrete sleeper 1 has a peripheral step 17 with an outwardly enlarged diameter, at this stage 17 is the ring 14 with its upper outer corner. The step 17 is rounded as the step 15, whereby damage to the ring 14 is avoided under load deformation. In Fig. 3 it is shown that the ring 14 approximately at its half radial width at the step 17 of the recess 9 of the
Betonschwelle 1 anliegt. Concrete sleeper 1 is applied.
Bei der Herstellung einer festen Fahrbahn wird eine Asphalttragschicht 18 mit Aussparungen 19 für die Dübelsteine 12 versehen. Die Aussparungen 19 sind zylinderförmig ausgebildet und an die Größe der Dübelsteine 12 angepasst, die Tiefe der Aussparungen 19 ist so gewählt, dass unterhalb des gemeinsam mit der Betonschwelle eingesetzten Dübelsteins ein Freiraum 20 verbleibt, der In the production of a solid roadway, an asphalt base layer 18 is provided with recesses 19 for the dowels 12. The recesses 19 are cylindrical and adapted to the size of the dowels 12, the depth of the recesses 19 is chosen so that below the dowel stone inserted together with the concrete sleeper, a free space 20 remains, the
anschließend, nach dem Positionieren und Ausrichten der Betonschwelle 1 , mit einer Vergussmasse oder einem Vergussmörtel 21 vergossen wird. Von der Aussparung 19 erstrecken sich seitlich Vergussschlitze 22, durch die die then, after the positioning and alignment of the concrete sleeper 1, with a potting compound or a grout 21 is poured. From the recess 19 extending laterally Vergussschlitze 22, through which the
Vergussmasse 21 eingefüllt wird. Potting compound 21 is filled.
Die Betonschwellen 1 weisen Schienenbefestigungen auf, bei denen es sich - anders als bei herkömmlichen festen Fahrbahnen - nicht um hochelastische Schienenbefestigungen handelt. Die verwendeten Schienenbefestigungen erlauben einen Ausgleich in Höhen- und Seitenrichtung. Der Höhenausgleich wird durch Unterlagen unterschiedlicher Dicke ermöglicht, der Seitenausgleich durch Winkelführungsplatten unterschiedlicher Breite. Zusätzlich ist eine harte The concrete sleepers 1 have rail fastenings, which - unlike conventional fixed carriageways - are not highly elastic rail fastenings. The rail fastenings used allow compensation in height and lateral direction. The height compensation is made possible by documents of different thicknesses, the side compensation by angle guide plates of different widths. In addition, a hard one
Zwischenlage vorhanden, die zwischen der Schiene und der Oberfläche der Betonschwelle angeordnet ist und aus EVA (Ethylenvinylacetat) besteht. Fig. 4 zeigt eine feste Fahrbahn 23 umfassend die Betonschwelle 1 , auf der Schienen 24 aufgelagert sind, die durch Schienenbefestigungen 25 gehalten werden. Die Betonschwelle 1 ist über den Dübelstein 12 mit einer Intermediate layer disposed between the rail and the surface of the concrete sleeper and consists of EVA (ethylene vinyl acetate). Fig. 4 shows a fixed track 23 comprising the concrete sleeper 1, are supported on the rails 24 which are held by rail fasteners 25. The concrete sleeper 1 is above the dowel block 12 with a
Asphaltdeckschicht 26 verbunden, die sich oberhalb einer Asphalttragschicht 27 befindet. Die in mehreren Lagen hergestellte Asphalttragschicht ist auf einer Frostschutzschicht 28 aufgelagert. Die beim Befahren der festen Fahrbahn 23 auftretenden Belastungen werden im Wesentlichen über die unterhalb der Asphalt cover layer 26 which is located above an asphalt base layer 27. The multi-layer asphalt base course is supported on an antifreeze layer 28. The loads occurring when driving on the fixed carriageway 23 are substantially above the below
Betonschwelle 1 angeordneten Sohlen 7, 8 in die Asphaltdeckschicht 26 Concrete sleeper 1 arranged soles 7, 8 in the asphalt surface layer 26th
eingeleitet. Dabei treten Einsenkungen auf, die typischerweise 1 ,5 - 4 mm betragen. Dadurch ergibt sich der Vorteil, dass die gesamte Masse der initiated. There are depressions, which are typically 1, 5 - 4 mm. This gives the advantage that the entire mass of
Betonschwelle 1 elastisch gelagert ist, wodurch die Abstimmfrequenz Concrete sleeper 1 is mounted elastically, causing the tuning frequency
übertragener Schwingungen gesenkt wird. Andererseits ist die Federsteifigkeit der Sohle 7, 8, die die Funktion einer Feder in dem Feder-Masse-System hat, weich ausgelegt, was sich ebenso positiv auf die Abstimmfrequenz auswirkt. transmitted vibrations is lowered. On the other hand, the spring stiffness of the sole 7, 8, which has the function of a spring in the spring-mass system, designed soft, which also has a positive effect on the tuning frequency.
Beim Befahren durch Schienenfahrzeuge wird die Schwelle vertikal abwärts und anschließend wieder aufwärts bewegt. Der Ring 14 kann diese Bewegungen annähernd verschleißneutral aufnehmen, da er an zwei diagonal When driving by rail vehicles, the threshold is moved vertically downwards and then up again. The ring 14 can absorb these movements approximately wear-neutral, since it at two diagonal
gegenüberliegenden Ecken, einerseits an dem Dübelstein 12 und andererseits an der Ausnehmung 9 der Betonschwelle 1 , anliegt. opposite corners, on the one hand to the dowel block 12 and on the other hand on the recess 9 of the concrete sleeper 1, is applied.
Bei einer anderen Ausführung ist die feste Fahrbahn in Betonbauweise hergestellt. Dabei sind die Betonschwellen mittels des Dübelsteins auf einer Betontragschicht gelagert. In another embodiment, the fixed carriageway is made in concrete construction. The concrete sleepers are mounted by means of the dowel on a concrete base course.

Claims

Patentansprüche claims
1 . Betonschwelle (1 ) für eine feste Fahrbahn (23), mit einem Dübelstein (12), der mit seinem oberen Abschnitt in eine unterseitige Ausnehmung (9) der Betonschwelle (1 ) eingesetzt und mittels eines aus einem Elastomer hergestellten Rings (14) elastisch gelagert ist und der mit seinem unteren Abschnitt in eine verfüllbare Aussparung (19) einer Deckschicht der festen Fahrbahn (23) einsetzbar ist, dadurch gekennzeichnet, dass an der 1 . Concrete sleeper (1) for a fixed track (23), with a dowel (12) inserted with its upper portion in a lower-side recess (9) of the concrete sleeper (1) and elastically supported by means of a ring made of an elastomer (14) is and with its lower portion in a fillable recess (19) of a cover layer of the fixed track (23) can be inserted, characterized in that at the
Unterseite der Betonschwelle (1 ) eine Sohle (7, 8) aus einem elastischen Material angeordnet ist.  Bottom of the concrete sleeper (1) a sole (7, 8) is arranged made of an elastic material.
2. Betonschwelle nach Anspruch 1 , dadurch gekennzeichnet, dass die Sohle (7, 8) aus EPDM (Ethylen-Propylen-Dien-Monomer) besteht. 2. Concrete sleeper according to claim 1, characterized in that the sole (7, 8) consists of EPDM (ethylene-propylene-diene monomer).
Betonschwelle nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Sohle (7, 8) eine Dicke von 6 bis 20 mm, vorzugsweise 8 bis 14 mm, aufweist. Concrete sleeper according to claim 1 or 2, characterized in that the sole (7, 8) has a thickness of 6 to 20 mm, preferably 8 to 14 mm.
Betonschwelle nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Sohle (7, 8) an einer oder an beiden Seiten mit einem Vlies versehen ist. Concrete sleeper according to one of the preceding claims, characterized in that the sole (7, 8) is provided on one or both sides with a fleece.
Betonschwelle nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Sohle (7, 8) eine Aussparung im Bereich der unterseitigen Ausnehmung (9) für den Dübelstein (12) aufweist oder zweiteilig ausgebildet ist und lediglich unterhalb von Schwellenblöcken (2, 3) oder partiell unterhalb von Schienenauflagen angeordnet ist. Concrete sleeper according to one of the preceding claims, characterized in that the sole (7, 8) has a recess in the region of the lower-side recess (9) for the dowel brick (12) or is formed in two parts and only below threshold blocks (2, 3) or is arranged partially below rail pads.
Betonschwelle nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Dübelstein (12) eine Stufe (15) mit einem unten vergrößerten Durchmesser aufweist. Concrete sleeper according to one of the preceding claims, characterized in that the dowel brick (12) has a step (15) with a diameter enlarged below.
7. Betonschwelle nach Anspruch 6, dadurch gekennzeichnet, dass die Außenkante der Stufe (15) abgerundet ist. 7. concrete sleeper according to claim 6, characterized in that the Outside edge of the step (15) is rounded.
Betonschwelle nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass weniger als die halbe radiale Breite des Rings (14) auf der Stufe (15) des Dübelsteins (12) aufliegt. Concrete sleeper according to claim 6 or 7, characterized in that less than half the radial width of the ring (14) rests on the step (15) of the dowel block (12).
Betonschwelle nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die unterseitige Ausnehmung (9) der Betonschwelle (1 ) eine umlaufende Stufe (17) aufweist, an der der Ring (14) mit seiner oberen äußeren Ecke anliegt. Concrete sleeper according to one of the preceding claims, characterized in that the lower-side recess (9) of the concrete sleeper (1) has a peripheral step (17) against which the ring (14) rests with its upper outer corner.
10. Betonschwelle nach Anspruch 9, dadurch gekennzeichnet, dass die Stufe (17) abgerundet ist. 11 . Betonschwelle nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass weniger als die halbe radiale Breite des Rings (14) an der Stufe (17) der Betonschwelle (1 ) anliegt. 10. concrete sleeper according to claim 9, characterized in that the step (17) is rounded. 11. Concrete sleeper according to claim 9 or 10, characterized in that less than half the radial width of the ring (14) rests against the step (17) of the concrete sleeper (1).
12. Feste Fahrbahn (23), umfassend mehrere Betonschwellen (1 ) nach einem der Ansprüche 1 bis 11 , die in eine Deckschicht oder eine Tragschicht eingebettet sind, wobei die Deckschicht oder die Tragschicht mit einer Vergussmasse (21 ) verfüllte Aussparungen (19) für die Dübelsteine (12) aufweist. 12. Fixed carriageway (23), comprising a plurality of concrete sleepers (1) according to one of claims 1 to 11, which are embedded in a cover layer or a support layer, wherein the cover layer or the support layer with a potting compound (21) filled recesses (19) for the dowel stones (12).
Feste Fahrbahn nach Anspruch 12, dadurch gekennzeichnet, dass die Deckschicht und die Tragschicht aus Asphalt hergestellt sind oder dass die Tragschicht aus Beton hergestellt ist. Solid carriageway according to claim 12, characterized in that the cover layer and the support layer are made of asphalt or that the support layer is made of concrete.
Feste Fahrbahn nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass die Betonschwellen Schienenbefestigungen mit Mitteln zum Höhen- und Seitenausgleich und/oder eine harte Zwischenlage aus EVA Fixed carriageway according to claim 12 or 13, characterized in that the concrete sleepers rail fasteners with means for height and side compensation and / or a hard intermediate layer of EVA
(Ethylenvinylacetat) aufweisen.  (Ethylene vinyl acetate).
EP14715896.8A 2013-05-17 2014-04-04 Concrete sleeper and solid carriageway Active EP2997194B1 (en)

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DE102013105090.5A DE102013105090B4 (en) 2013-05-17 2013-05-17 Concrete sleepers and fixed carriageway
PCT/EP2014/056865 WO2014183925A1 (en) 2013-05-17 2014-04-04 Concrete sleeper and solid carriageway

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WO2014183925A1 (en) 2014-11-20
SA515370146B1 (en) 2019-05-07
DE102013105090B4 (en) 2016-12-15
EP2997194B1 (en) 2018-09-12
CA2910914C (en) 2018-05-22
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US20160083911A1 (en) 2016-03-24
DK2997194T3 (en) 2019-01-07

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