EP0105950A1 - Mat made of elastic material - Google Patents

Mat made of elastic material Download PDF

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Publication number
EP0105950A1
EP0105950A1 EP82109420A EP82109420A EP0105950A1 EP 0105950 A1 EP0105950 A1 EP 0105950A1 EP 82109420 A EP82109420 A EP 82109420A EP 82109420 A EP82109420 A EP 82109420A EP 0105950 A1 EP0105950 A1 EP 0105950A1
Authority
EP
European Patent Office
Prior art keywords
mat
sheet
plates
underside
elastic material
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
EP82109420A
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German (de)
French (fr)
Other versions
EP0105950B1 (en
Inventor
Hans Dipl.-Ing. Braitsch
Hermann Ortwein
Josef Vorwald
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.)
Clouth Gummiwerke AG
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Clouth Gummiwerke AG
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 Clouth Gummiwerke AG filed Critical Clouth Gummiwerke AG
Priority to AT82109420T priority Critical patent/ATE18583T1/en
Priority to EP82109420A priority patent/EP0105950B1/en
Publication of EP0105950A1 publication Critical patent/EP0105950A1/en
Application granted granted Critical
Publication of EP0105950B1 publication Critical patent/EP0105950B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • E01B2/003—Arrangement of tracks on bridges or in tunnels
    • 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
    • E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete

Definitions

  • the invention relates to a mat made of elastic material arranged under a ballast bed. Such mats are used to elastically support the ballast bedding and the tracks laid thereon against the ground and against tunnel or trough walls in order to insulate structure-borne noise.
  • the known mats of the aforementioned type consist of foamed materials or of waste rubber granulate, which is encased with one another and covered with a solid rubber sheet.
  • Mats are also already known which consist of several solid rubber layers, the solid rubber sheets having cavities and further cavities being formed by appropriate profiling of the adjoining surfaces of the solid rubber sheets.
  • the main disadvantage of the known mats is that the sharp-edged ballast penetrates into the mat in a short time, whereby the mat is destroyed in such a way that it is finally only available in granular form. A granulated mat is no longer able to insulate structure-borne noise.
  • Another disadvantage of the known mats is that they occur when horizontal forces occur move in the direction of these forces, so that the ballast bed finally rests directly on the ground on the side facing away from the respective force and therefore no insulation of structure-borne noise is possible at these points.
  • Structure-borne noise bridges can also be formed in the known mats in that when the ballast is stuffed over individual ballast stones, a pressure pyramid with its tip pointing downward is built up, through which the ballast stones in question are finally pressed through the mat down to the ground.
  • the invention has for its object to avoid the aforementioned disadvantages and to ensure that the structure-borne sound insulation to be achieved with such a mat is maintained over a long period of time.
  • the top of the mat has a sheet whose hardness and elasticity are such that the ballast can not penetrate the mat.
  • the sheet metal can consist of metal or another material with corresponding properties, for example plastic.
  • the sheet prevents the ballast from penetrating into the mat and also ensures that the load is distributed over a large area, resulting in particularly high structure-borne noise insulation and an extension of the life of the mat.
  • the sheet also prevents any displacement of the mat without the mat having to be glued to the substrate.
  • the sheet is profiled in such a way that horizontally extending areas are formed Alternate sloping areas.
  • a force acting on the mat pressure thrust component is created by the pressure of the ballast on the inclined areas of the sheet, the challdämmung in terms of the body to advantage S / affects.
  • displacement of the ballast on the mat can be prevented by providing the sheet on its free surface with a layer of a material with a high coefficient of friction. This layer can be made of rubber, for example.
  • the mat consists of at least two superimposed plates made of elastic material, cavities being formed in the interior of the mat by appropriate profiling of the opposing surfaces of the plates, the profiling being chosen such that the mat is essentially subjected to pressure-shear stress, in view of the resulting increase in structure-borne noise insulation. Due to the profiling of the opposing surfaces of the plates, the deflection of the mat can also be largely predetermined. In addition, because of the cavities formed as a result of the profiling of the surfaces mentioned in the interior of the mat, it is not necessary to manufacture the mat from foamed material or to provide the individual plates with cavities.
  • the underside of the mat expediently also has a sheet which corresponds to the sheet provided on the top of the mat with regard to hardness and elasticity.
  • knobs, projections or the like known per se are provided on the underside of the mat. Even a mat designed in this way does not need to be made from a foamed material or provided with cavities, since the knobs, projections or the like allow the mat to be sufficiently deflected.
  • Fig. 1 shows a mat consisting of an upper plate 1 and a lower plate 2, the top of the upper plate 1 having a sheet 3. Cavities 4 are formed between the plates 1 and 2 by appropriate profiling of the opposing surfaces.
  • the sheet 3 is provided on its surface with a layer 5 of a material with a high coefficient of friction.
  • both the top of the upper plate 1 and the underside of the lower plate 2 is provided with a sheet 3 or 6.
  • both the top of the upper plate 3 and the underside of the lower plate 6 can each be provided with a layer 5 of a material with a high coefficient of friction.
  • Fig. 4 The mat shown in Fig. 4 is provided on its top with a sheet 3, which is profiled so that horizontally extending areas 3.1 alternate with sloping areas 3.2. This mat is provided with knobs 7 on its underside.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Carpets (AREA)
  • Laminated Bodies (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

1. Mat made of elastic material to be arranged under a bed of broken stones of which the top side is a protection layer, characterized in that this protection layer consists of a metal sheet (3) the hardness and elasticity of which are designed in such a way that the broken stones cannot penetrate into the mat, or a plate of respective hardness and elasticity.

Description

Die Erfindung betrifft eine unter einer Schotterbettung angeordnete Matte aus elastischem Werkstoff. Derartige Matten dienen dazu, die Schotterbettung und die darauf verlegten Geleise gegen den Untergrund und gegen Tunnel- oder Trogwände elastisch zu lagern, um eine Dämmung des Körperschalls zu bewirken.The invention relates to a mat made of elastic material arranged under a ballast bed. Such mats are used to elastically support the ballast bedding and the tracks laid thereon against the ground and against tunnel or trough walls in order to insulate structure-borne noise.

Die bekannten Matten der vorgenannten Art bestehen aus geschäumten Werkstoffen oder aus mit einer Vollgummibahn ummanteltes untereinander verklebtes Altgummigranulat. Es sind auch bereits Matten bekannt, die aus mehreren Vollgummilagen bestehen, wobei die Vollgummibahnen Hohlräume aufweisen und weitere Hohlräume durch'entsprechende Profilierung der aneinander angrenzenden Flächen der Vollgummibahnen gebildet sind.The known mats of the aforementioned type consist of foamed materials or of waste rubber granulate, which is encased with one another and covered with a solid rubber sheet. Mats are also already known which consist of several solid rubber layers, the solid rubber sheets having cavities and further cavities being formed by appropriate profiling of the adjoining surfaces of the solid rubber sheets.

Der wesentliche Nachteil der bekannten Matten besteht darin, daß der scharfkantige Schotter in kurzer Zeit in die Matte eindringt, wodurch die Matte derart zerstört wird, daß sie schließlich nur noch in granulierter Form vorhanden ist. Eine granulierte Matte vermag aber keinen Körperschall mehr zu dämmen. Ein weiterer Nachteil der bekannten Matten besteht darin, daß sie sich bei Auftreten horizontaler Kräfte in Richtung dieser Kräfte verschieben, so daß an der der jeweiligen Kraft abgewandten Seite schließlich die Schotterbettung unmittelbar auf dem Untergrund aufliegt und daher an diesen Stellen keine Dämmung des Körperschalls mehr möglich ist. Körperschallbrücken können sich bei den bekannten Matten auch dadurch bilden, daß sich beim Stopfen des Schotters über einzelne Schottersteine eine mit ihrer Spitze nach unten weisende Druckpyramide aufbaut, durch die die betreffenden Schottersteine schließlich durch die Matte hindurch bis auf den Untergrund gedrückt werden.The main disadvantage of the known mats is that the sharp-edged ballast penetrates into the mat in a short time, whereby the mat is destroyed in such a way that it is finally only available in granular form. A granulated mat is no longer able to insulate structure-borne noise. Another disadvantage of the known mats is that they occur when horizontal forces occur move in the direction of these forces, so that the ballast bed finally rests directly on the ground on the side facing away from the respective force and therefore no insulation of structure-borne noise is possible at these points. Structure-borne noise bridges can also be formed in the known mats in that when the ballast is stuffed over individual ballast stones, a pressure pyramid with its tip pointing downward is built up, through which the ballast stones in question are finally pressed through the mat down to the ground.

Der Erfindung liegt die Aufgabe zugrunde, die vorgenannten Nachteile zu vermeiden und sicherzustellen, daß die mit einer derartigen Matte zu erzielende Körperschalldämmung über einen langen Zeitraum erhalten bleibt.The invention has for its object to avoid the aforementioned disadvantages and to ensure that the structure-borne sound insulation to be achieved with such a mat is maintained over a long period of time.

Die Lösung der gestellten Aufgabe besteht darin, daß die Oberseite der Matte ein Blech aufweist, dessen Härte und Elastizität so bemessen sind, daß der Schotter nicht in die Matte eindringen kann. Das Blech kann aus Metall oder einem anderen Werkstoff mit entsprechenden Eigenschaften bestehen, beispielsweise aus Kunststoff. Das Blech verhindert das Eindringen des Schotters in die Matte und gewährleistet darüber hinaus eine Verteilung der Last auf eine große Fläche, wodurch eine besonders hohe Körperschalldämmung und eine Verlängerung der Lebensdauer der Matte erzielt werden. Das Blech verhindert ferner jegliches Verschieben der Matte, ohne daß ein Verkleben der Matte mit dem Untergrund erforderlich ist.The solution to the problem is that the top of the mat has a sheet whose hardness and elasticity are such that the ballast can not penetrate the mat. The sheet metal can consist of metal or another material with corresponding properties, for example plastic. The sheet prevents the ballast from penetrating into the mat and also ensures that the load is distributed over a large area, resulting in particularly high structure-borne noise insulation and an extension of the life of the mat. The sheet also prevents any displacement of the mat without the mat having to be glued to the substrate.

In Weiterbildung der Erfindung ist das Blech so profiliert, daß sich horizontal verlaufende Bereiche mit schräg verlaufenden Bereichen abwechseln. Durch diese Ausbildung des Bleches wird einerseits ein Verschieben des Schotters auf der Matte verhindert, während andererseits durch den Druck des Schotters auf die schräg verlaufenden Bereiche des Bleches eine auf die Matte einwirkende Druck-Schub-Komponente entsteht, die sich hinsichtlich der Körpervorteilhaft Schalldämmung/auswirkt. Ein Verschieben des Schotters auf der Matte kann nach einem anderen Merkmal der Erfindung dadurch verhindert werden, daß das Blech auf seiner freien Oberfläche mit einer Schicht eines Werkstoffs mit hohem Reibungskoeffizienten versehen ist. Diese Schicht kann beispielsweise aus Gummi bestehen.In a further development of the invention, the sheet is profiled in such a way that horizontally extending areas are formed Alternate sloping areas. By this design the sheet displacement of the ballast on the one hand prevented in the mat, while on the other hand, a force acting on the mat pressure thrust component is created by the pressure of the ballast on the inclined areas of the sheet, the challdämmung in terms of the body to advantage S / affects. According to another feature of the invention, displacement of the ballast on the mat can be prevented by providing the sheet on its free surface with a layer of a material with a high coefficient of friction. This layer can be made of rubber, for example.

Bei einer besonders vorteilhaften Ausführungsform der Erfindung besteht die Matte aus mindestens zwei übereinanderliegenden Platten aus elastischem Werkstoff, wobei durch entsprechende Profilierung der sich gegenüberliegenden Flächen der Platten in an sich bekannter Weise im Inneren der Matte Hohlräume gebildet sind, wobei die Profilierung so gewählt ist, daß die Matte im wesentlichen einer Druck-Schub-Beanspruchung ausgesetzt ist, und zwar im Hinblick auf die sich dadurch ergebende Erhöhung der Körperschalldämmung. Durch die Profilierung der sich gegenüberliegenden Flächen der Platten ist ferner die Einfederung der Matte weitgehend vorherbestimmbar. Darüber hinaus ist es wegen der infolge der Profilierung der genannten Flächen im Inneren der Matte gebildeten Hohlräume nicht erforderlich, die Matte aus geschäumtem Werkstoff herzustellen oder die einzelnen Platten mit Hohlräumen zu versehen.In a particularly advantageous embodiment of the invention, the mat consists of at least two superimposed plates made of elastic material, cavities being formed in the interior of the mat by appropriate profiling of the opposing surfaces of the plates, the profiling being chosen such that the mat is essentially subjected to pressure-shear stress, in view of the resulting increase in structure-borne noise insulation. Due to the profiling of the opposing surfaces of the plates, the deflection of the mat can also be largely predetermined. In addition, because of the cavities formed as a result of the profiling of the surfaces mentioned in the interior of the mat, it is not necessary to manufacture the mat from foamed material or to provide the individual plates with cavities.

Die Herstellung und die Lagerhaltung der die Matte bildenden Platten wird dadurch erheblich vereinfacht, daß die beiden Platten symmetrisch zueinander ausgebildet sind.The manufacture and storage of the plates forming the mat is considerably simplified in that the two plates are symmetrical to one another.

Zweckmäßigerweise weist auch die Unterseite der Matte ein Blech auf, das dem auf der Oberseite der Matte vorgesehenen Blech hinsichtlich Härte und Elastizität entspricht.The underside of the mat expediently also has a sheet which corresponds to the sheet provided on the top of the mat with regard to hardness and elasticity.

Nach einem weiteren Merkmal der Erfindung sind an der Unterseite der Matte an sich bekannte Noppen, Vorsprünge o. dgl. vorgesehen. Auch eine so ausgebildete Matte braucht nicht aus einem geschäumten Werkstoff hergestellt werden oder mit Hohlräumen versehen sein, da die Noppen, Vorsprünge o. dgl. eine ausreichende Einfederung der Matte zulassen.According to a further feature of the invention, knobs, projections or the like known per se are provided on the underside of the mat. Even a mat designed in this way does not need to be made from a foamed material or provided with cavities, since the knobs, projections or the like allow the mat to be sufficiently deflected.

In.der Zeichnung sind mehrere Ausführungsbeispiele der erfindungsgemäßen Matte jeweils im Querschnitt dargestellt.In the drawing, several embodiments of the mat according to the invention are each shown in cross section.

Fig. 1 zeigt eine Matte, die aus einer oberen Platte 1 und einer unteren Platte 2 besteht, wobei die Oberseite der oberen Platte 1 ein Blech 3 aufweist. Zwischen den Platten 1 und 2 sind durch entsprechende Profilierung der sich gegenüberliegenden Flächen Hohlräume 4 gebildet.Fig. 1 shows a mat consisting of an upper plate 1 and a lower plate 2, the top of the upper plate 1 having a sheet 3. Cavities 4 are formed between the plates 1 and 2 by appropriate profiling of the opposing surfaces.

Bei der in Fig. 2 dargestellten Matte ist das Blech 3 auf seiner Oberfläche mit einer Schicht 5 eines Werkstoffes mit hohem Reibungskoeffizienten versehen.In the mat shown in Fig. 2, the sheet 3 is provided on its surface with a layer 5 of a material with a high coefficient of friction.

Die beiden Platten 1 und 2 der in Fig. 3 dargestellten Matte sind symmetrisch zueinander ausgebildet. Ferner ist sowohl die Oberseite der oberen Platte 1 als auch die Unterseite der unteren Platte 2 mit einem Blech 3 bzw. 6 versehen. Bei dieser Matte können ferner sowohl die Oberseite des oberen Bleches 3 als auch die Unterseite des unteren Bleches 6 mit je einer Schicht 5 eines Werkstoffes mit hohem Reibungskoeffizienten versehen sein.The two plates 1 and 2 of the mat shown in Fig. 3 are symmetrical to each other. Furthermore, both the top of the upper plate 1 and the underside of the lower plate 2 is provided with a sheet 3 or 6. In this mat, both the top of the upper plate 3 and the underside of the lower plate 6 can each be provided with a layer 5 of a material with a high coefficient of friction.

Die in Fig. 4 dargestellte Matte ist an ihrer Oberseite mit einem Blech 3 versehen, das so profiliert ist, daß sich horizontal verlaufende Bereiche 3.1 mit schräg verlaufenden Bereiche 3.2 abwechseln. Diese Matte ist an ihrer Unterseite mit Noppen 7 versehen.The mat shown in Fig. 4 is provided on its top with a sheet 3, which is profiled so that horizontally extending areas 3.1 alternate with sloping areas 3.2. This mat is provided with knobs 7 on its underside.

Claims (7)

1. Unter einer Schotterbettung angeordnete Matte aus elastischem Werkstoff, dadurch gekennzeichnet, daß die Oberseite der Matte ein Blech (3) aufweist, dessen Härte und Elastizität so bemessen sind, daß der Schotter nicht in die Matte eindringen kann.1. Under a ballast bed arranged mat made of elastic material, characterized in that the top of the mat has a sheet (3) whose hardness and elasticity are dimensioned so that the ballast can not penetrate the mat. 2. Matte nach Anspruch 1, dadurch gekennzeichnet, daß das Blech (3) so profiliert ist, daß sich horizontal verlaufende Bereiche (3.1) mit schräg verlaufenden Bereichen (3.2) abwechseln.2. Mat according to claim 1, characterized in that the sheet (3) is profiled so that horizontally extending areas (3.1) alternate with inclined areas (3.2). 3. Matte nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Blech (3) auf seiner freien Oberfläche mit einer Schicht (5) eines Werkstoffes mit hohem Reibungskoeffizienten versehen ist.3. Mat according to claim 1 or 2, characterized in that the sheet (3) is provided on its free surface with a layer (5) of a material with a high coefficient of friction. 4. Matte nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Matte aus mindestens zwei übereinanderliegenden Platten (1 und 2) aus elastischem Werkstoff besteht, wobei durch entsprechende Profilierung der sich gegenüberliegenden Flächen der Platten (1 und 2) in an sich bekannter Weise im Inneren der Matte Hohlräume (4) gebildet sind, wobei die Profilie' rung so gewählt ist, daß die Matte im wesentlichen einer Druck-Schub-Beanspruchung ausgesetzt ist.4. Mat according to claim 1, 2 or 3, characterized in that the mat consists of at least two superimposed plates (1 and 2) made of elastic material, with appropriate profiling of the opposite surfaces of the plates (1 and 2) in itself known manner are formed inside the mat cavities (4), wherein the Profilie tion 'is selected so that the mat essentially a compressive shear stress is exposed. 5. Matte nach Anspruch 4, dadurch gekennzeichnet, daß die Platten (1 und 2) symmetrisch zueinander ausgebildet sind.5. Mat according to claim 4, characterized in that the plates (1 and 2) are symmetrical to each other. 6. Matte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Unterseite der Matte ein Blech (6) aufweist, das dem auf der Unterseite der Matte vorgesehenen Blech (3) hinsichtlich Härte und Elastizität entspricht.6. Mat according to one of the preceding claims, characterized in that the underside of the mat has a sheet (6) which corresponds to the sheet (3) provided on the underside of the mat in terms of hardness and elasticity. 7. Matte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß an der Unterseite der Matte an sich bekannte Noppen (7), Vorsprünge o. dgl. vorgesehen sind.7. Mat according to one of claims 1 to 3, characterized in that knobs (7), projections or the like which are known per se are provided on the underside of the mat.
EP82109420A 1982-10-12 1982-10-12 Mat made of elastic material Expired EP0105950B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT82109420T ATE18583T1 (en) 1982-10-12 1982-10-12 MAT MADE OF ELASTIC MATERIAL.
EP82109420A EP0105950B1 (en) 1982-10-12 1982-10-12 Mat made of elastic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82109420A EP0105950B1 (en) 1982-10-12 1982-10-12 Mat made of elastic material

Publications (2)

Publication Number Publication Date
EP0105950A1 true EP0105950A1 (en) 1984-04-25
EP0105950B1 EP0105950B1 (en) 1986-03-12

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EP82109420A Expired EP0105950B1 (en) 1982-10-12 1982-10-12 Mat made of elastic material

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EP (1) EP0105950B1 (en)
AT (1) ATE18583T1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0473554A2 (en) * 1990-08-28 1992-03-04 Fip Industriale S.P.A. Anti-vibration resilient insulation material for ballast supported railroad tracks
US5361986A (en) * 1992-06-13 1994-11-08 Hilti Aktiengesellschaft Arrangement for laying rail
WO2008122065A1 (en) * 2007-04-06 2008-10-16 Semperit Aktiengesellschaft Holding Coating material for direct connection to a concrete structure
CN110468629A (en) * 2019-08-28 2019-11-19 吴永芳 For assembled track viscoplasticity bed course manufacturing method and equipment, viscoplasticity bed course

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2324213A1 (en) * 1973-05-12 1974-11-21 Continental Gummi Werke Ag SOUND ABSORBING TRACK BED
FR2353757A1 (en) * 1976-06-04 1977-12-30 Japan National Railway Composite sheet for railway anti-vibration pads - comprising perforated metal or fibre-reinforced plate laminated with sheet rubber
BE863519A (en) * 1977-02-05 1978-05-16 Continental Gummi Werke Ag BALLAST SUBSTRATE FOR RAILWAYS
DE2701597A1 (en) * 1977-01-15 1978-07-20 Walter Battermann Railway track bed flexible underlay plate - has hollow ribs on underside with full length internal stems reaching toward base
DE2817278A1 (en) * 1978-04-20 1979-10-25 Diether Uderstaedt Sound insulating railway rail underlay - has insulation units matching trapezium shaped deformation in interfacing base and support plates
BE878108A (en) * 1978-08-11 1979-12-03 Continental Gummi Werke Ag ELASTIC BASE PLATE
DE3019531A1 (en) * 1980-05-22 1981-11-26 Continental Gummi-Werke Ag, 3000 Hannover Railway track ballast underlay - has uneven downward pressed surface on elastic plates with underside lattice work

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2324213A1 (en) * 1973-05-12 1974-11-21 Continental Gummi Werke Ag SOUND ABSORBING TRACK BED
FR2353757A1 (en) * 1976-06-04 1977-12-30 Japan National Railway Composite sheet for railway anti-vibration pads - comprising perforated metal or fibre-reinforced plate laminated with sheet rubber
DE2701597A1 (en) * 1977-01-15 1978-07-20 Walter Battermann Railway track bed flexible underlay plate - has hollow ribs on underside with full length internal stems reaching toward base
BE863519A (en) * 1977-02-05 1978-05-16 Continental Gummi Werke Ag BALLAST SUBSTRATE FOR RAILWAYS
DE2817278A1 (en) * 1978-04-20 1979-10-25 Diether Uderstaedt Sound insulating railway rail underlay - has insulation units matching trapezium shaped deformation in interfacing base and support plates
BE878108A (en) * 1978-08-11 1979-12-03 Continental Gummi Werke Ag ELASTIC BASE PLATE
DE3019531A1 (en) * 1980-05-22 1981-11-26 Continental Gummi-Werke Ag, 3000 Hannover Railway track ballast underlay - has uneven downward pressed surface on elastic plates with underside lattice work

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0473554A2 (en) * 1990-08-28 1992-03-04 Fip Industriale S.P.A. Anti-vibration resilient insulation material for ballast supported railroad tracks
EP0473554A3 (en) * 1990-08-28 1992-04-22 Fip Industriale S.P.A. Anti-vibration resilient insulation material for ballast supported railroad tracks
US5361986A (en) * 1992-06-13 1994-11-08 Hilti Aktiengesellschaft Arrangement for laying rail
WO2008122065A1 (en) * 2007-04-06 2008-10-16 Semperit Aktiengesellschaft Holding Coating material for direct connection to a concrete structure
CN110468629A (en) * 2019-08-28 2019-11-19 吴永芳 For assembled track viscoplasticity bed course manufacturing method and equipment, viscoplasticity bed course

Also Published As

Publication number Publication date
ATE18583T1 (en) 1986-03-15
EP0105950B1 (en) 1986-03-12

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