EP1323864A2 - Ballast for railway bed - Google Patents

Ballast for railway bed Download PDF

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Publication number
EP1323864A2
EP1323864A2 EP02028480A EP02028480A EP1323864A2 EP 1323864 A2 EP1323864 A2 EP 1323864A2 EP 02028480 A EP02028480 A EP 02028480A EP 02028480 A EP02028480 A EP 02028480A EP 1323864 A2 EP1323864 A2 EP 1323864A2
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EP
European Patent Office
Prior art keywords
diameter
grain
track ballast
track
grains
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EP02028480A
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German (de)
French (fr)
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EP1323864A3 (en
EP1323864B1 (en
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Georg Grötz
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/001—Track with ballast
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/16—Specific granulometry of the ballast

Definitions

  • the invention relates to a track ballast for a ballast bed a railway track, especially for railways, consisting of aggregates of different grain diameters, being the mass fraction of the grains that have a grain diameter d> 60 mm, is less than 5% and the Mass fraction of the grains that have a grain diameter d ⁇ 30 mm have greater than 20%.
  • ballast bed has a certain intrinsic elasticity, which means that usually vibrations or alternating stresses can be well absorbed from rail transport and at the same time a damping of the on the railway vehicle effective vibrations with what increased driving comfort is connected.
  • the ballast track has also proven itself in that it has a high Possesses flexibility and adaptability and in relative can be easily maintained.
  • the track ballast used in many cases consists of Aggregates with a so-called "22.4 / 63 mm grain", i.e. it contains - apart from negligible proportions Foreign grain - only aggregate with a grain diameter in the range from 22.4 mm to 63 mm.
  • Such Grain distribution has been in the past when used of the track body at speeds ⁇ 200 km / h proven because the ballast bed formed from it on the one hand has a sufficiently high inherent stability and not under the loads of a train traveling over it evades laterally and on the other hand has sufficient elasticity can be achieved.
  • the conventional ballast bed is lacking Track position resistance compared to other designs leads to high maintenance costs. This occurs due to the increased due to the high speed Partial overloading of the ballast, resulting in broken gravel and destruction of the gravel structure.
  • EP 0 835 958 A2 describes a composition of a Schotters known for a railway track bed, in which the used aggregates a diameter in one area possess from 2 mm to 65 mm, the proportion of the relative small aggregates with a diameter d ⁇ 22.4 mm is approx. 40%, i.e. is very high. As a consequence, that the ballast in its installed state is high Has installation density, but this has the disadvantage that that the frost resistance of the ballast is reduced.
  • the invention has for its object a track ballast for a ballast bed of a railway track, in particular to create in a trough-like trough that even at high Speeds under an improved internal load transfer Avoiding stress and settlement peaks.
  • the Mass fraction of the grains that have a grain diameter d ⁇ 30 mm have greater than 20% and in particular greater than 30% his.
  • the track ballast can be made from any conventional ballast material be formed, but use is preferred of basalt and / or granite and / or gneiss and / or one rock of the same type.
  • the grain distribution line of the ballast according to the invention is preferably in a range which is defined by the following range limits: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 75 to 95 31.5 30 to 60 22.4 0 until 20 16 0 up to 2
  • the range limits can be narrowed as follows: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% in the range from ... to ... 63 100 56 95 until 100 45 75 to 90 31.5 30 until 50 22.4 0 to 15 16 0
  • the track ballast consists almost entirely of aggregates with a grain diameter in the range from 16 mm to 56 mm, ie has a grain size of 16/56 mm. It has proven to be advantageous if the stone grains are contained in the track ballast according to the following grain distribution (track ballast K1): Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 80 to 90 31.5 46 to 56 22.4 12 until 18 16 0 up to 2
  • the grain distribution of this ballast K1 can look as follows: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% 63 100 56 99 45 88 31.5 51 22.4 13 16 1
  • the track ballast consists almost entirely of aggregates with a grain diameter in the range from 22.4 mm to 56 mm, ie has a grain size of 22.4 / 56 mm. It has proven to be advantageous if the rock grains are contained in the track ballast according to the following grain size distribution (track ballast K2): Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 78 to 88 31.5 25 to 35 22.4 0 to 1st 16 0 to 1st
  • the grain distribution of this track ballast K2 can look as follows: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% 63 100 56 99 45 83 31.5. 30 22.4 1 16 0
  • the track ballast consists almost entirely of aggregates with a grain diameter in the range from 22.4 mm to 45 mm, ie has a grain size of 22.4 / 45 mm.
  • the rock grains are preferably contained in the track ballast according to the following grain distribution (track ballast K3): Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% in the range from .... to .... 63 99 until 100 56 99 until 100 45 92 until 100 31.5. 46 to 56 22.4 3 until 6 16 0 to 1st
  • the grain distribution of this ballast K3 can look as follows: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% 63 100 56 100 45 95 31.5 50 22.4 5 16 0th
  • FIG Track ballast shown, with three track ballast according to the invention (Track ballast K1, K2 and K3) a conventional one Track ballast are juxtaposed. From the illustration in Fig. 1 it can be seen that the track ballast according to the invention K1, K2 and K3 practically no aggregates with contain a grain diameter d> 56 mm, while corresponding Rocks in the conventional gravel still in a mass fraction of about 8% is included.
  • the proportion of grains with one Diameter d ⁇ 31.5 mm compared to the conventional track ballast significantly increased and lies with the invention Track ballast K1 at approx. 51% in the case of the invention Track ballast K2 at about 30% and with the invention Track ballast K3 at approx. 50%.
  • FIG. 1 shows individual concrete examples of the grain distribution curves of track ballast
  • FIG. 2 shows an area within which the grain distribution curve of a track ballast according to the invention should run.
  • the preferred, hatched area is determined by an upper and a lower boundary line, the following parameter values follow: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter ⁇ d in% in the range from ... to ... 63 100 100 56 95 100 45 75 90 31.5 30 50 22.4 0 15 16 0 0 Lower limit line Upper limit line

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

Ballast used for a ballast bed of a track, especially a railway track, comprises stones of different grain size. The weight percent of stones having a grain diameter of more than 60 mm is less than 5%, preferably less than 1%, and the weight percent of stones having a grain diameter of less than 30 mm is greater than 20%, preferably greater than 30%. <??>Preferred Features: The rocks comprise basalt and/or granite and/or a similar stone. The ballast consists almost exclusively of stones having a grain size between 16 and 56 mm.

Description

Die Erfindung betrifft einen Gleisschotter für ein Schotterbett eines Gleisfahrweges, insbesondere für Eisenbahnen, bestehend aus Gesteinskörnern unterschiedlichen Korndurchmessers, wobei der Massenanteil der Körner, die einen Korndurchmesser d>60 mm aufweisen, kleiner als 5% ist und der Massenanteil der Körner, die ein Korndurchmesser d<30 mm aufweisen, größer als 20% ist.The invention relates to a track ballast for a ballast bed a railway track, especially for railways, consisting of aggregates of different grain diameters, being the mass fraction of the grains that have a grain diameter d> 60 mm, is less than 5% and the Mass fraction of the grains that have a grain diameter d <30 mm have greater than 20%.

Seit langer Zeit wird bei Eisenbahn-Gleisanlagen als Oberbau der sogenannte Schotteroberbau verwendet, bei dem die die Schienen tragenden Schwellen auf einem Schotterbett aufliegen, das seinerseits auf einen Unterbau aufgelagert ist, über den die von dem Eisenbahnfahrzeug ausgeübten Kräfte in den Erdboden abgeleitet werden. Das Schotterbett besitzt eine gewisse Eigenelastizität, wodurch die üblicherweise einwirkenden Schwingungs- oder Wechselbeanspruchungen aus dem Schienenverkehr gut aufgenommen werden können und was gleichzeitig eine Dämpfung der an dem Eisenbahnfahrzeug wirksamen Schwingungen mit sich bringt, womit ein erhöhter Fahrkomfort verbunden ist. Der Schotteroberbau hat sich darüber hinaus dadurch bewährt, daß er eine hohe Flexibilität und Anpassungsfähigkeit besitzt und in relativ einfacher Weise instandgehalten werden kann.For a long time has been used as a superstructure in railway track systems the so-called gravel superstructure is used, in which the the sleepers supporting the rails on a ballast bed rest, which in turn is supported on a substructure over which those exercised by the railway vehicle Forces are derived into the ground. The ballast bed has a certain intrinsic elasticity, which means that usually vibrations or alternating stresses can be well absorbed from rail transport and at the same time a damping of the on the railway vehicle effective vibrations with what increased driving comfort is connected. The ballast track has also proven itself in that it has a high Possesses flexibility and adaptability and in relative can be easily maintained.

Der in vielen Fällen verwendete Gleisschotter besteht aus Gesteinskörner mit einer sogenannten "Körnung 22,4/63 mm", d.h. er enthält - abgesehen von vernachlässigbaren Anteilen an Fremdkorn - lediglich Gesteinskörner mit einem Korndurchmesser im Bereich von 22,4 mm bis 63 mm. Eine derartige Kornverteilung hat sich in der Vergangenheit bei Beanspruchungen des Gleiskörpers bei Geschwindigkeiten < 200 km/h bewährt, da das daraus gebildete Schotterbett einerseits eine ausreichend hohe Eigenstabilität besitzt und nicht unter den Belastungen eines darüberfahrenden Zuges seitlich ausweicht und andererseits eine ausreichende Eigenelastizität zu erzielen ist. Bei höheren Geschwindigkeiten besitzt das herkömmliche Schotterbett jedoch eine mangelnde Gleislagebeständigkeit, die gegenüber anderen Bauformen zu hohen Unterhaltskosten führt. Dabei tritt aufgrund der durch die hohe Geschwindigkeit bedingten erhöhten Belastungen eine teilweise Überlastung des Schotters auf, was zu einem Bruch der Schotterkörner und einer Zerstörung des Schottergefüges führen kann.The track ballast used in many cases consists of Aggregates with a so-called "22.4 / 63 mm grain", i.e. it contains - apart from negligible proportions Foreign grain - only aggregate with a grain diameter in the range from 22.4 mm to 63 mm. Such Grain distribution has been in the past when used of the track body at speeds <200 km / h proven because the ballast bed formed from it on the one hand has a sufficiently high inherent stability and not under the loads of a train traveling over it evades laterally and on the other hand has sufficient elasticity can be achieved. At higher speeds however, the conventional ballast bed is lacking Track position resistance compared to other designs leads to high maintenance costs. This occurs due to the increased due to the high speed Partial overloading of the ballast, resulting in broken gravel and destruction of the gravel structure.

Aus der EP 0 835 958 A2 ist eine Zusammensetzung eines Schotters für ein Eisenbahngleisbett bekannt, bei dem die verwendeten Gesteinskörner einen Durchmesser in einem Bereich von 2 mm bis 65 mm besitzen, wobei der Anteil der relativ kleinen Gesteinskörner mit einem Durchmesser d<22,4 mm ca. 40% beträgt, d.h. sehr hoch ist. Dies hat zur Folge, daß der Schotter in seinem eingebauten Zustand eine hohe Einbaudichte besitzt, jedoch ist damit der Nachteil verbunden, daß die Frostsicherheit des Schotters verringert ist. EP 0 835 958 A2 describes a composition of a Schotters known for a railway track bed, in which the used aggregates a diameter in one area possess from 2 mm to 65 mm, the proportion of the relative small aggregates with a diameter d <22.4 mm is approx. 40%, i.e. is very high. As a consequence, that the ballast in its installed state is high Has installation density, but this has the disadvantage that that the frost resistance of the ballast is reduced.

Aus der DE 195 00 443 A1, der DE 41 00 881 A1 und der DE 44 39 894 A1 sind Gleisanlagen bekannt, bei denen das Schotterbett in einem in Längsrichtung der Gleisanlagen verlaufenden U-förmigen, rinnenartigen Trog aus Beton angeordnet ist, um eine gute Abstützung des Oberbaus auch bei hohen Fahrgeschwindigkeiten der Eisenbahnfahrzeuge zu gewährleisten. Bei einem derartigen Aufbau wird die seitliche Abstützung des Schotterbettes im wesentlichen von den Seitenwänden des Troges übernommen, so daß diese Anforderung bei der Zusammensetzung bzw. Kornverteilung des Gleisschotters unter dem Gesichtspunkt der seitlichen Abstützung von untergeordneter Bedeutung ist und der Gleisschotter speziell auf andere Anforderungen, beispielsweise die innere Lastabtragung ausgerichtet und dimensioniert sein kann. Die bekannten Gleisschotter der genannten Art berücksichtigen dies jedoch nicht.From DE 195 00 443 A1, DE 41 00 881 A1 and DE 44 39 894 A1 track systems are known in which the ballast bed in a running in the longitudinal direction of the track systems U-shaped, gutter-like trough made of concrete is to provide good superstructure support even at high To ensure the speed of travel of the railway vehicles. With such a structure, the lateral support the ballast bed essentially from the side walls of the trough, so that this requirement at the composition or grain distribution of the track ballast from the point of view of lateral support from subordinate The meaning and the track ballast is special to other requirements, such as internal load transfer can be aligned and dimensioned. The well-known Take into account the ballast of the type mentioned but not this.

Der Erfindung liegt die Aufgabe zugrunde, einen Gleisschotter für ein Schotterbett eines Gleisfahrweges, insbesondere in einem rinnenartigen Trog zu schaffen, der auch bei hohen Geschwindigkeiten eine verbesserte innere Lastabtragung unter Vermeidung von Spannungs- und Setzungsspitzen aufweist.The invention has for its object a track ballast for a ballast bed of a railway track, in particular to create in a trough-like trough that even at high Speeds under an improved internal load transfer Avoiding stress and settlement peaks.

Diese Aufgabe wird erfindungsgemäß mit einem Schotter mit den Merkmalen des Anspruchs 1 gelöst. Dabei ist einerseits vorgesehen, die Kornfraktion aus Gesteinskörner relativ großen Durchmessers (d>60 mm) zu reduzieren und gleichzeitig die Kornfraktion der Gesteinskörner im mittleren Kieskornbereich (d<30 mm) um ein geringes Maß zu vergrößern, wobei der Massenanteil der Körner, die einen Korndurchmesser d<22,4 mm aufweisen, kleiner oder gleich 20% ist. Auf diese Weise wird erreicht, daß die Anzahl der gegenseitigen Kontaktpunkte zwischen den benachbarten Gesteinskörnern erhöht und somit die in den einzelnen Kontaktpunkten zu übertragenden Kontaktkräfte verringert sind. Dadurch wird die Lastverteilung innerhalb des Gleisschotters vergleichmäßigt, womit neben der Abnahme der plastischen Dehnungen auch eine Vergleichmäßigung der Setzungen im Schotterbett gegeben ist. Ein übermäßig kompakter bzw. dichter Schotter wird dabei jedoch vermieden, was der Fristsicherheit dient. Vorzugsweise ist vorgesehen, daß der Massenanteil der Körner, die einen Korndurchmesser von d<22,4 mm aufweisen, kleiner oder gleich 15% ist.This object is achieved with a ballast solved the features of claim 1. One is provided the grain fraction from aggregates relative large diameter (d> 60 mm) to reduce and at the same time the grain fraction of the aggregates in the middle gravel area (d <30 mm) to enlarge a small amount, being the mass fraction of the grains that have a grain diameter d <22.4 mm, is less than or equal to 20%. In this way it is achieved that the number of mutual Points of contact between the neighboring aggregates increased and thus in the individual contact points contact forces to be transmitted are reduced. Thereby the load distribution within the track ballast is evened out, with which in addition to the decrease in plastic strains also an equalization of settlements in the ballast bed given is. An overly compact or dense However, crushed stone is avoided, resulting in deadline security serves. It is preferably provided that the mass fraction of the grains that have a grain diameter of d <22.4 mm have less than or equal to 15%.

Erfindungsgemäß sollte der Massenanteil der Körner, die einen Korndurchmesser d>60 mm aufweisen, kleiner als 5% und insbesondere kleiner als 1% sein. Gleichzeitig sollte der Massenanteil der Körner, die einen Korndurchmesser d<30 mm aufweisen, größer als 20% und insbesondere größer als 30% sein.According to the invention, the mass fraction of the grains, the one Grain diameter d> 60 mm, less than 5% and in particular be less than 1%. At the same time, the Mass fraction of the grains that have a grain diameter d <30 mm have greater than 20% and in particular greater than 30% his.

Der Gleisschotter kann aus jedem herkömmlichen Schottermaterial gebildet sein, bevorzugt wird jedoch die Verwendung von Basalt und/oder Granit und/oder Gneis und/oder einem artgleichen Gestein.The track ballast can be made from any conventional ballast material be formed, but use is preferred of basalt and / or granite and / or gneiss and / or one rock of the same type.

Vorzugsweise liegt die Kornverteilungslinie des erfindungsgemäßen Schotters in einem Bereich, der durch die folgenden Bereichsgrenzen definiert ist: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von .... bis .... 63 99 bis 100 56 92 bis 100 45 75 bis 95 31,5 30 bis 60 22,4 0 bis 20 16 0 bis 2 The grain distribution line of the ballast according to the invention is preferably in a range which is defined by the following range limits: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 75 to 95 31.5 30 to 60 22.4 0 until 20 16 0 up to 2

Insbesondere können die Bereichsgrenzen wie folgt enger gefaßt sein: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von ... bis ... 63 100 56 95 bis 100 45 75 bis 90 31,5 30 bis 50 22,4 0 bis 15 16 0 In particular, the range limits can be narrowed as follows: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from ... to ... 63 100 56 95 until 100 45 75 to 90 31.5 30 until 50 22.4 0 to 15 16 0

In einem Ausführungsbeispiel der Erfindung kann vorgesehen sein, daß der Gleisschotter annähernd vollständig aus Gesteinskörnern mit einem Korndurchmesser im Bereich von 16 mm bis 56 mm besteht, d.h. eine Körnung 16/56 mm besitzt. Dabei hat es sich als vorteilhaft erwiesen, wenn die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind (Gleisschotter K1): Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von .... bis .... 63 99 bis 100 56 92 bis 100 45 80 bis 90 31,5 46 bis 56 22,4 12 bis 18 16 0 bis 2 In one embodiment of the invention, it can be provided that the track ballast consists almost entirely of aggregates with a grain diameter in the range from 16 mm to 56 mm, ie has a grain size of 16/56 mm. It has proven to be advantageous if the stone grains are contained in the track ballast according to the following grain distribution (track ballast K1): Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 80 to 90 31.5 46 to 56 22.4 12 until 18 16 0 up to 2

Gemäß einem konkreten Ausführungsbeispiel kann die Kornverteilung dieses Gleisschotters K1 wie folgt aussehen: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % 63 100 56 99 45 88 31,5 51 22,4 13 16 1 According to a specific embodiment, the grain distribution of this ballast K1 can look as follows: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% 63 100 56 99 45 88 31.5 51 22.4 13 16 1

In einem alternativen Ausführungsbeispiel der Erfindung kann vorgesehen sein, daß der Gleisschotter annähernd vollständig aus Gesteinskörnern mit einem Korndurchmesser im Bereich von 22,4 mm bis 56 mm besteht, d.h. eine Körnung 22,4/56 mm besitzt. Dabei hat es sich als vorteilhaft erwiesen, wenn die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind (Gleisschotter K2): Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von .... bis .... 63 99 bis 100 56 92 bis 100 45 78 bis 88 31,5 25 bis 35 22,4 0 bis 1 16 0 bis 1 In an alternative embodiment of the invention it can be provided that the track ballast consists almost entirely of aggregates with a grain diameter in the range from 22.4 mm to 56 mm, ie has a grain size of 22.4 / 56 mm. It has proven to be advantageous if the rock grains are contained in the track ballast according to the following grain size distribution (track ballast K2): Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 78 to 88 31.5 25 to 35 22.4 0 to 1st 16 0 to 1st

Gemäß einem konkreten Ausführungsbeispiel kann die Kornverteilung dieses Gleisschotters K2 wie folgt aussehen: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % 63 100 56 99 45 83 31,5. 30 22,4 1 16 0 According to a specific embodiment, the grain distribution of this track ballast K2 can look as follows: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% 63 100 56 99 45 83 31.5. 30 22.4 1 16 0

In einem weiteren alternativen Ausführungsbeispiel der Erfindung kann vorgesehen sein, daß der Gleisschotter annähernd vollständig aus Gesteinskörner mit einem Korndurchmesser im Bereich von 22,4 mm bis 45 mm besteht, d.h. eine Körnung 22,4/45 mm besitzt. Vorzugsweise sind die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten (Gleisschotter K3): Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von .... bis .... 63 99 bis 100 56 99 bis 100 45 92 bis 100 31,5. 46 bis 56 22,4 3 bis 6 16 0 bis 1 In a further alternative exemplary embodiment of the invention it can be provided that the track ballast consists almost entirely of aggregates with a grain diameter in the range from 22.4 mm to 45 mm, ie has a grain size of 22.4 / 45 mm. The rock grains are preferably contained in the track ballast according to the following grain distribution (track ballast K3): Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from .... to .... 63 99 until 100 56 99 until 100 45 92 until 100 31.5. 46 to 56 22.4 3 until 6 16 0 to 1st

Gemäß einem konkreten Ausführungsbeispiel kann die Kornverteilung dieses Gleisschotters K3 wie folgt aussehen: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % 63 100 56 100 45 95 31,5 50 22,4 5 16 0. According to a specific embodiment, the grain distribution of this ballast K3 can look as follows: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% 63 100 56 100 45 95 31.5 50 22.4 5 16 0th

Weitere Einzelheiten und Merkmale der Erfindung sind aus der folgenden Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die Figuren ersichtlich. Es zeigen:

Figur 1
verschiedene Kornverteilungen von Gleis- schottern,
Figur 2
einen bevorzugten Bereich für die Kornver- teilung.
Further details and features of the invention are apparent from the following description of exemplary embodiments with reference to the figures. Show it:
Figure 1
different grain distributions of track ballast,
Figure 2
a preferred area for grain distribution.

In der Figur 1 sind verschiedene Kornverteilungen von Gleisschottern gezeigt, wobei drei erfindungsgemäße Gleisschotter (Gleisschotter K1, K2 und K3) einem herkömmlichen Gleisschotter gegenübergestellt sind. Aus der Darstellung in Fig. 1 ist ersichtlich, daß die erfindungsgemäßen Gleisschotter K1, K2 und K3 praktisch keine Gesteinskörner mit einem Korndurchmesser d>56 mm enthalten, während entsprechende Gesteinskörner in dem herkömmlichen Schotter noch in einem Massenanteil von etwa 8% enthalten sind.Different grain distributions of are shown in FIG Track ballast shown, with three track ballast according to the invention (Track ballast K1, K2 and K3) a conventional one Track ballast are juxtaposed. From the illustration in Fig. 1 it can be seen that the track ballast according to the invention K1, K2 and K3 practically no aggregates with contain a grain diameter d> 56 mm, while corresponding Rocks in the conventional gravel still in a mass fraction of about 8% is included.

Gleichzeitig ist bei den erfindungsgemäßen Gleisschottern K1, K2 und K3 der Anteil an Gesteinskörnern, die einen Korndurchmesser d<22,4 mm besitzen, verglichen mit dem herkömmlichen Gleisschotter, der keine entsprechenden Gesteinskörner besitzt, zwar vergrößert, beträgt jedoch maximal 15%. Darüber hinaus ist der Anteil der Körner mit einem Durchmesser d<31,5 mm gegenüber dem herkömmlichen Gleisschotter deutlich erhöht und liegt bei dem erfindungsgemäßen Gleisschotter K1 bei ca. 51%, bei dem erfindungsgemäßen Gleisschotter K2 bei ca. 30% und bei dem erfindungsgemäßen Gleisschotter K3 bei ca. 50%.At the same time with the track ballast according to the invention K1, K2 and K3 the proportion of aggregates that a Have grain diameters d <22.4 mm compared to the conventional one Track ballast that has no corresponding aggregates owns, enlarged, but is maximum 15%. In addition, the proportion of grains with one Diameter d <31.5 mm compared to the conventional track ballast significantly increased and lies with the invention Track ballast K1 at approx. 51% in the case of the invention Track ballast K2 at about 30% and with the invention Track ballast K3 at approx. 50%.

Während Fig. 1 einzelne konkrete Beispiele für die Kornverteilungskurven von Gleisschottern zeigt, ist in Fig. 2 ein Bereich dargestellt, innerhalb dessen die Kornverteilungskurven eines erfindungsgemäßen Gleisschotters verlaufen sollte. Der bevorzugte, schraffiert dargestellte Bereich ist durch eine obere und eine untere Grenzlinie bestimmt, die folgenden Parameterwerten folgen: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von ... bis ... 63 100 100 56 95 100 45 75 90 31,5 30 50 22,4 0 15 16 0 0 Untere Grenzlinie Obere Grenzlinie 1 shows individual concrete examples of the grain distribution curves of track ballast, FIG. 2 shows an area within which the grain distribution curve of a track ballast according to the invention should run. The preferred, hatched area is determined by an upper and a lower boundary line, the following parameter values follow: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from ... to ... 63 100 100 56 95 100 45 75 90 31.5 30 50 22.4 0 15 16 0 0 Lower limit line Upper limit line

Claims (16)

Gleisschotter für ein Schotterbett eines Gleisfahrweges, insbesondere für Eisenbahnen, bestehend aus Gesteinskörnern unterschiedlichen Korndurchmessers, wobei der Massenanteil der Körner, die einen Korndurchmesser d>60 mm aufweisen, kleiner als 5% ist und wobei der Massenanteil der Körner, die ein Korndurchmesser d<30 mm aufweisen, größer als 20% ist, dadurch gekennzeichnet, daß der Massenanteil der Körner, die einen Korndurchmesser d<22,4 mm aufweisen, kleiner oder gleich 20% ist.Track ballast for a ballast bed of a track guideway, in particular for railways, consisting of aggregates of different grain diameters, the mass fraction of the grains having a grain diameter d> 60 mm being less than 5% and the mass fraction of the grains having a grain diameter d <30 mm, is greater than 20%, characterized in that the mass fraction of the grains which have a grain diameter d <22.4 mm is less than or equal to 20%. Gleisschotter nach Anspruch 1, dadurch gekennzeichnet, daß der Massenanteil der Körner, die einen Korndurchmesser d<22,4 mm aufweisen, kleiner oder gleich 15% ist.Track ballast according to claim 1, characterized in that the mass fraction of the grains which have a grain diameter d <22.4 mm is less than or equal to 15%. Gleisschotter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Massenanteil der Körner, die ein Korndurchmesser d>60 mm aufweisen, kleiner als 1% ist.Track ballast according to claim 1 or 2, characterized in that the mass fraction of the grains which have a grain diameter d> 60 mm is less than 1%. Gleisschotter nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Massenanteil der Körner, die einen Durchmesser d<30 mm aufweisen, größer als 30% ist.Track ballast according to one of claims 1 to 3, characterized in that the mass fraction of the grains which have a diameter d <30 mm is greater than 30%. Gleisschotter nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Gesteinskörner aus Basalt und/oder Granit und/oder Gneis und/oder einem artgleichen Gestein bestehen.Track ballast according to one of claims 1 to 4, characterized in that the aggregates consist of basalt and / or granite and / or gneiss and / or a rock of the same type. Gleisschotter nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von .... bis .... 63 99 bis 100 56 92 bis 100 45 75 bis 95 31,5 30 bis 60 22,4 0 bis 20 16 0 bis 2
Track ballast according to one of claims 1 to 5, characterized in that the rock grains are contained in the track ballast in accordance with the following grain distribution: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 75 to 95 31.5 30 to 60 22.4 0 until 20 16 0 up to 2
Gleisschotter nach Anspruch 6, dadurch gekennzeichnet, daß die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von ... bis ... 63 100 56 95 bis 100 45 75 bis 90 31,5 30 bis 50 22,4 0 bis 15 16 0
Track ballast according to claim 6, characterized in that the rock grains are contained in the track ballast according to the following grain distribution: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from ... to ... 63 100 56 95 until 100 45 75 to 90 31.5 30 until 50 22.4 0 to 15 16 0
Gleisschotter nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Gleisschotter annähernd vollständig aus Gesteinskörnern mit einem Korndurchmesser im Bereich von 16 mm bis 56 mm besteht (Körnung 16/56 mm).Track ballast according to one of claims 1 to 7, characterized in that the track ballast consists almost entirely of stone grains with a grain diameter in the range from 16 mm to 56 mm (grain size 16/56 mm). Gleisschotter nach Anspruch 8, dadurch gekennzeichnet, daß die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von .... bis .... 63 99 bis 100 56 92 bis 100 45 80 bis 90 31,5 46 bis 56 22,4 12 bis 18 16 0 bis 2
Track ballast according to claim 8, characterized in that the rock grains are contained in the track ballast according to the following grain size distribution: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 80 to 90 31.5 46 to 56 22.4 12 until 18 16 0 up to 2
Gleisschotter nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % 63 100 56 99 45 88 31,5 51 22,4 13 16 1
Track ballast according to claim 8 or 9, characterized in that the rock grains are contained in the track ballast according to the following grain distribution: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% 63 100 56 99 45 88 31.5 51 22.4 13 16 1
Gleisschotter nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Gleisschotter annähernd vollständig aus Gesteinskörnern mit einem Korndurchmesser im Bereich von 22,4 mm bis 56 mm besteht (Körnung 22,4/56 mm).Track ballast according to one of claims 1 to 7, characterized in that the track ballast consists almost entirely of stone grains with a grain diameter in the range from 22.4 mm to 56 mm (grain size 22.4 / 56 mm). Gleisschotter nach Anspruch 11, dadurch gekennzeichnet, daß die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von .... bis .... 63 99 bis 100 56 92 bis 100 45 78 bis 88 31,5 25 bis 35 22,4 0 bis 1 16 0 bis 1
Track ballast according to claim 11, characterized in that the rock grains are contained in the track ballast according to the following grain size distribution: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from .... to .... 63 99 until 100 56 92 until 100 45 78 to 88 31.5 25 to 35 22.4 0 to 1st 16 0 to 1st
Gleisschotter nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % 63 100 56 99 45 89 31,5 30 22,4 1 16 0
Track ballast according to claim 11 or 12, characterized in that the rock grains are contained in the track ballast according to the following grain distribution: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% 63 100 56 99 45 89 31.5 30 22.4 1 16 0
Gleisschotter nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Gleisschotter annähernd vollständig aus Gesteinskörnern mit einem Korndurchmesser im Bereich von 22,4 mm bis 45 mm besteht (Körnung 22,4/45 mm).Track ballast according to one of claims 1 to 7, characterized in that the track ballast consists almost entirely of stone grains with a grain diameter in the range from 22.4 mm to 45 mm (grain size 22.4 / 45 mm). Gleisschotter nach Anspruch 14 dadurch gekennzeichnet, daß die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % im Bereich von .... bis .... 63 99 56 99 bis 100 45 92 bis 100 31,5 46 bis 56 22,4 3 bis 6 16 0 bis 1
Track ballast according to claim 14, characterized in that the rock grains are contained in the track ballast according to the following grain size distribution: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% in the range from .... to .... 63 99 56 99 until 100 45 92 until 100 31.5 46 to 56 22.4 3 until 6 16 0 to 1st
Gleisschotter nach Anspruch 14 oder 15, dadurch gekennzeichnet, daß die Gesteinskörner in dem Gleisschotter entsprechend folgender Kornverteilung enthalten sind: Durchmesser d des Gesteinskorns in mm Massenanteil der Gesteinskörner mit einem Durchmesser < d in % 63 100 56 100 45 95 31,5 50 22,4 5 16 0
Track ballast according to claim 14 or 15, characterized in that the rock grains are contained in the track ballast according to the following grain distribution: Diameter d of the stone grain in mm Mass fraction of aggregates with a diameter <d in% 63 100 56 100 45 95 31.5 50 22.4 5 16 0
EP02028480A 2001-12-20 2002-12-19 Ballast for railway bed Expired - Lifetime EP1323864B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20120610U 2001-12-20
DE20120610U DE20120610U1 (en) 2001-12-20 2001-12-20 Track ballast for a ballast bed of a track route, especially for railways

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EP1323864A2 true EP1323864A2 (en) 2003-07-02
EP1323864A3 EP1323864A3 (en) 2004-06-23
EP1323864B1 EP1323864B1 (en) 2007-06-20

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AT (1) ATE365247T1 (en)
DE (2) DE20120610U1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4100881A1 (en) 1991-01-14 1992-07-16 Cronau Heinrich Gmbh Permanent way for railway high speed trains - consists of precast concrete trough sections laid end on end and filled with ballast bed
DE4439894A1 (en) 1994-01-18 1996-05-15 Heitkamp Gmbh Bau Track superstructure
DE19500443A1 (en) 1995-01-10 1996-07-18 Groetz Georg Track system for rail-bound vehicles
EP0835958A2 (en) 1996-10-10 1998-04-15 LEONHARD WEISS GmbH &amp; Co. NIEDERLASSUNG CRAILSHEIM Grain distribution for ballast for a railway track ballast

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104546B (en) * 1957-10-01 1961-04-13 Walter Schmidt Process for the production of a substructure for the ballast gravel that accommodates the sleepers
FR2615875B1 (en) * 1987-06-01 1989-09-08 Nord France Entreprise SUPPORT SYSTEM FOR RAIL TRACKS, USE IN REPLACING THE BALLAST
JP2959891B2 (en) * 1991-09-26 1999-10-06 南野 繁夫 Improvement method of track base

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4100881A1 (en) 1991-01-14 1992-07-16 Cronau Heinrich Gmbh Permanent way for railway high speed trains - consists of precast concrete trough sections laid end on end and filled with ballast bed
DE4439894A1 (en) 1994-01-18 1996-05-15 Heitkamp Gmbh Bau Track superstructure
DE19500443A1 (en) 1995-01-10 1996-07-18 Groetz Georg Track system for rail-bound vehicles
EP0835958A2 (en) 1996-10-10 1998-04-15 LEONHARD WEISS GmbH &amp; Co. NIEDERLASSUNG CRAILSHEIM Grain distribution for ballast for a railway track ballast

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EP1323864A3 (en) 2004-06-23
ATE365247T1 (en) 2007-07-15
DE50210344D1 (en) 2007-08-02
DE20120610U1 (en) 2002-02-28
EP1323864B1 (en) 2007-06-20

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