EP1288370A1 - Blochet de traverse, traverse à blochets, procédé et moule pour la fabrication d'un blochet ou d'une telle traverse, superstructure de voie ferrée, et procédé de correction du niveau d'une voie ferrée sans ballast - Google Patents

Blochet de traverse, traverse à blochets, procédé et moule pour la fabrication d'un blochet ou d'une telle traverse, superstructure de voie ferrée, et procédé de correction du niveau d'une voie ferrée sans ballast Download PDF

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Publication number
EP1288370A1
EP1288370A1 EP01120522A EP01120522A EP1288370A1 EP 1288370 A1 EP1288370 A1 EP 1288370A1 EP 01120522 A EP01120522 A EP 01120522A EP 01120522 A EP01120522 A EP 01120522A EP 1288370 A1 EP1288370 A1 EP 1288370A1
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EP
European Patent Office
Prior art keywords
block
sleeper
threshold
elastic material
sleeper block
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.)
Withdrawn
Application number
EP01120522A
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German (de)
English (en)
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.)
RTE TECHNOLOGIE GMBH
Original Assignee
Rhomberg Bau 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 Rhomberg Bau GmbH filed Critical Rhomberg Bau GmbH
Priority to EP01120522A priority Critical patent/EP1288370A1/fr
Publication of EP1288370A1 publication Critical patent/EP1288370A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/46—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0046—Machines or methods for applying the material to surfaces to form a permanent layer thereon to plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • B28B7/0035—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
    • B28B7/0044—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding the sidewalls of the mould being only tilted away from the sidewalls of the moulded article, e.g. moulds with hingedly mounted sidewalls
    • 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
    • E01B1/005—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with sleeper shoes
    • 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
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete

Definitions

  • the present invention relates to a sleeper block for insertion into a track superstructure a solid road. Furthermore, the present invention relates to a Sleeper block unit for insertion into a track superstructure of a fixed. Roadway, as well as a method and a mold for producing a threshold block or a sleeper block unit for insertion into a track superstructure of a fixed Roadway. Furthermore, the present invention relates to a track superstructure solid roadway with a sleeper block unit and a method for height correction a track superstructure of a fixed carriageway.
  • So-called fixed carriageways are used on railway lines, particularly in the high-speed range and used in the tunnel area.
  • the ballast With a firm road the ballast is replaced by another material, e.g. Concrete or asphalt, replaced. Thereby the stability of the road surface is increased and deformations caused by the loads of a Train will be reduced.
  • Solid carriageways have a long service life and low Maintenance and repair expenses.
  • This sleeper shoe consists of a bottom part with vertical side walls, which is made as an extrusion from an elastomeric material. Furthermore are End caps are provided to close the respective ends of the sleeper shoe. The two end caps are with the base, consisting of the bottom part and vertical Side walls glued or vulcanized to achieve a tight connection.
  • This sleeper shoe is pulled over a concrete sleeper, with a Barbs on the shoe in a corresponding recess of the threshold is held. Sealing lips are also provided to prevent water from entering and dirt in the area between the concrete sleeper and the sleeper shoe prevent.
  • Such a concrete sleeper is about 2.6 m long, with each of the concrete sleepers carries both rails.
  • DE 36 02 669 A1 describes a resilient covering for a concrete sleeper known. This creates an elastic coating layer on the bottom and side walls foamed on the concrete sleeper.
  • the concrete sleeper inserted in a mold and a given space between the concrete threshold and the mold with polyurethane elastomers, an adhesive Connection between the foam material and the concrete sleeper is created.
  • This foam-covered concrete sleeper is then poured into the concrete bed of a solid carriageway.
  • the foamed covering layer covers the floor of the concrete sleeper and part of the side walls.
  • a system is known in the manufacture of solid carriageways in which two Threshold blocks are connected with an L-shaped profile. These two threshold blocks each carry a track and are fixed in the concrete bed Potted roadway. Due to the elastic mounting, the L-shaped connection profile not be included in the concrete bed. Therefore, a given one Distance of, for example, 2 to 3 cm between the so-called filling concrete of the concrete basin and the L-shaped connection profile remain.
  • This L-shaped connection profile serves as a tie rod to both the track gauge (the distance between the two Rails) as well as the inclination of the rail on the threshold.
  • a fixed roadway is also known, with two independent threshold blocks are provided, each carrying a track. Because with this system there is no connecting rod, there is a higher embedding depth in the filling concrete of the concrete bed possible. The greater embedment depth increases the strength of the road elevated.
  • it is disadvantageous with this system that when adjusting the track In addition to the height and direction of the track, the track width and the inclination adjusted using special straightening systems and fixed during concreting have to.
  • a rubber shoe with an inserted elastic layer covered over the threshold blocks and then embedded in the filling concrete Attaching these rubber shoes to the sleeper blocks is relatively labor intensive.
  • the rubber shoes must be secured with straps for transport.
  • the rubber shoe has a relatively high weight, so that when adjusting of the track in the sole of the rubber shoe a certain sag that arises water or the like is reinforced. Water can e.g. very easily along the Penetrate the surface of the sleeper block between it and the rubber shoe, when the sleepers are stored or transported outdoors with the rubber shoe on become.
  • this object is achieved by a threshold block for insertion in a track superstructure of a fixed carriageway, with a sleeper block body and a sole surface made of elastic, in particular closed-pore, material is formed and side surfaces that emanate from the sole surface and at least partially are made of elastic, in particular closed-pore, material.
  • the sole surface of the sleeper block and at least partially the side surfaces of the sleeper block are made of elastic material, making a monolithic Threshold block is created that is easy to use.
  • the threshold block is exposed to the weather outdoors. In this case it is closed-pore Preferably use material.
  • closed-pore material When using the threshold block in areas where there is hardly any water and practically no frost, e.g. in the tunnel, In principle, open-pore material can also be used.
  • Such a sleeper block can be used to hold a single track can also be used to hold two rail tracks.
  • the threshold block with the sole surface, which is formed from elastic material, and with side surfaces which are at least partially formed from elastic material high dimensional accuracy. Have the outside dimensions of the sleeper block tight tolerance. This simplifies handling and standardization possible.
  • the elastic material has in the area of the Sole surface and the elastic material in the area of the side surfaces different elastic properties and / or strengths.
  • the threshold block has at least one side surface at least one inclined portion facing towards the sole surface a vertical center plane of the sleeper block is inclined, in particular at least two opposite side surfaces each have at least one inclined Have section that towards the sole surface to the vertical median plane of the threshold block are inclined.
  • the side surface has at least a first and a second inclined section that towards inclined towards the sole surface towards the vertical median plane of the sleeper block with the first inclined portion adjacent to the sole surface and is more inclined than the second inclined portion.
  • the threshold block is preferably symmetrical with respect to the vertical center plane.
  • the threshold block body has in the area of the side surfaces a step section with a recessed outer surface section with the elastic material on the recessed outer surface portion the threshold block body is arranged.
  • an outer surface of the elastic Material and an outer surface portion of the threshold block body to the Side surfaces of the threshold block a smooth transition, in particular aligned the outer surface of the elastic material and the outer surface portion of the Threshold block body on the side surfaces of the threshold block at least in one Transition area.
  • the elastic material on the side surfaces is closed Ring formed and with the elastic material on the sole surface, in particular connected by contact pressure.
  • a threshold block unit for insertion in a track superstructure of a solid track, with a first and a second threshold block, in particular a first and second Threshold block according to at least one of claims 1 to 8, which by at least one Connection carriers are connected, the connection carrier having an elastic covering each adjacent to the first and / or second threshold block; and / or a spacer element each adjacent to the first and / or second Threshold block is provided.
  • connection carrier has at least two, in particular three, cross struts, which are located between the first and the second Threshold block extend, the elastic coverings each on the cross struts are provided adjacent to the first and second threshold blocks.
  • the shape preferably has inner surfaces for forming the side surfaces of the Threshold block, wherein the elastic material on a portion of the inner surfaces abuts, and the side surfaces of the threshold block each made of elastic Material and an outer surface portion of the threshold block body are formed.
  • the elastic material for the side surfaces of the sleeper block is used as a ring in the form, follow concrete to Training the threshold block body is introduced into the mold, and subsequently the elastic material for the sole surface is put on.
  • the shape has pivotable side walls Formation of the side surfaces of the threshold block, wherein before the introduction of Concrete, especially after inserting the elastic material, the swiveling Sidewalls from an open position to a closed position in which the pivoting side walls form a closed shape, are brought, and the pivotable side walls from the closed position to the open position brought in to unlock the threshold block.
  • a form for Production of a sleeper block in particular a sleeper block according to at least one of claims 1 to 8, or a threshold block unit, in particular one Sleeper block unit according to claim 9 or 10, for insertion into a track superstructure a solid carriageway, in particular to carry out the method according to at least one of claims 11 to 14, with a basic circuit, in particular for Inclusion of a rail fastening device and swiveling side walls, which from an open position to a closed position in which the basic circuit and the pivotable side walls form a closed shape, can be brought.
  • a track superstructure a solid roadway with a sleeper block according to at least one of the Claims 1 to 8 and / or a threshold block unit according to at least one of the Claims 9 or 10, wherein the threshold block and / or the threshold block unit in a concrete bed are used.
  • connection carrier with the elastic covering is preferably in the Concrete bed added, and / or the spacer to form an opening in provided the concrete bed adjacent to the sleeper blocks, the connecting beam is accessible through the opening for severing the same.
  • connection carrier is completely in added to the concrete bed. This can increase the embedding depth.
  • the threshold block there is an adhesive bond between the elastic material and the threshold block body different from an adhesive connection between the elastic material and the concrete bed, in particular is the adhesive bond between the elastic material and the threshold block body larger than the adhesive bond between the elastic material and the concrete bed.
  • the threshold block can be removed from the concrete bed in a defined manner, in particular, the threshold block as a whole, i.e. with the elastic material away.
  • the preferred embedding depth of the sleeper block can be ensured.
  • the strength of the fixed track improved after the height correction. This means that a threshold block can always again be corrected several times in its altitude.
  • the predetermined one Embedding depth of the sleeper block is essentially restored.
  • Steps (a) and (b) are preferably carried out at least twice, in particular several times, executed for the sleeper block before a layer of compensating material is applied according to step (c).
  • the layer is preferably made of compensating material as a reinforced layer at least one reinforcement element, in particular made of steel or plastic. Furthermore, it is preferred that at least one connecting element in the layer of compensating material and the concrete bed is brought in to connect them. Thereby the strength of the fixed track after the height correction is improved.
  • Fig. 1 shows a first embodiment of the threshold block, inserted in a Track superstructure of a fixed carriageway, in a side sectional view.
  • the one in Fig. 1 The threshold block 1 shown is inserted into a concrete bed 12 of the solid carriageway.
  • This Threshold block 1 has a sole surface 3 and starts from this sole surface 3 Side surfaces 4 on.
  • An upper surface arranged opposite the sole surface 3 is intended for the assembly of one or two rail tracks (not shown).
  • the sole surface 3 of the sleeper block 1 is made entirely of an elastic material 5 formed.
  • the side faces 4 of the threshold block 1 are, as shown in FIG. 1, partially formed from elastic material 5.
  • the core of threshold block 1 is formed by a sleeper block body 2 made of concrete. Each of the side surfaces 4 will from an outer surface 5a of the elastic material 5 and an outer surface 7b of the Threshold block body formed.
  • the elastic material 5 shown is preferably closed-pore in order to Avoid absorption of moisture. So that the properties of the elastic Materials under various weather conditions, such as rain or frost.
  • the elastic material 5 of the sole surface 3 and the side surfaces 4 can be the same Have properties and / or material thicknesses.
  • different ones can be used for the elastic adjustment of the sleeper block Materials, i.e. Materials with different elastic properties and / or material thicknesses, provided for the sole surface and the respective side surfaces become.
  • the side surfaces 4 of the sleeper block according to FIG. 1 are inclined sections 4a educated. According to the exemplary embodiment shown, the side surfaces are therefore 4th in the direction of the sole surface 3 to a vertical central plane 6 of the sleeper block inclined towards.
  • the exemplary embodiment shows an inclination of 1:20.
  • the threshold block is designed symmetrically with respect to the central plane 6 a conical or V-shaped shape of the sleeper block, this in the direction tapered into the concrete bed 12.
  • the side surfaces in the area of the drawing plane of the Fig. 1 are also corresponding to the side surfaces 4 shown to a vertical Center plane inclined, which is perpendicular to the vertical center plane 6 shown.
  • the side surfaces 4 are essentially complete formed as inclined sections 4a.
  • the side surfaces can also partially formed with inclined sections.
  • one side surface an inclined and a vertical section or a section inclined in the opposite direction exhibit.
  • the transition from the vertical to the inclined section in the area of the transition of the outer surface of the elastic material and the Outer surface portion of the sleeper body.
  • the inclined portions of the side surfaces facilitate the manufacture of the sleeper block and the replacement of an already used threshold block like this will be explained later.
  • the threshold block shown in Fig. 1 is symmetrical with respect to the vertical planes educated. Furthermore, the threshold block according to the first embodiment be designed as an integral sleeper block for supporting both rail tracks.
  • the threshold block of the first embodiment can be used for storage a rail track can be provided.
  • two blocks are in each case Dependency of the track gauge and the desired inclination in the track superstructure a fixed roadway.
  • the sleeper block 1 is in the concrete bed 12 of the slab track concreted or poured, the entire sole surface and part of the side surfaces are recorded in the concrete bed. The area of the side surfaces that through the elastic material is formed, extends out of the concrete bed 12.
  • the threshold block 1 has the threshold block body 2 with a step section 7 in the area of the outer surface 4.
  • This Step portion 7 is through the outer surface portion 7b of the threshold block body on the side surface 4 of the threshold block 1 and a recessed outer surface section 7a of the threshold block body 2 is formed.
  • the elastic material 5 is in Area of the recessed outer surface portion 7a of the threshold block body 2 arranged.
  • the recessed portion 7a of the threshold block body 2 is as shown in FIG the thickness of the elastic material 5 is formed such that the outer surface 4 the threshold block 1 forms a step-free transition. Through this stepless Transition can reduce damage during transport, for example, and that Accumulation of dirt or the like be avoided. This turns the threshold block into an integral, monolithic shape.
  • the side surface has a constant slope on.
  • the outer surface 5a of the elastic material 5 is thus aligned and the outer surface portion 7b of the threshold block body 2 so that none Edge on the side surface 4 forms.
  • Fig. 2 is a second embodiment of the threshold block 1 in a side sectional view shown.
  • the threshold block of the second embodiment is similar the threshold block of the first embodiment, so that subsequently the differences from the first embodiment are explained.
  • the remaining Features of the threshold block of the second embodiment correspond to Features of the threshold block of the first embodiment, and it is based on a Repetition of explanations waived.
  • the threshold block 1 of the second embodiment Side surfaces on each with two inclined sections 4b and 4c.
  • This inclined Sections 4b, 4c are similar to the inclined sections of the first embodiment towards the sole surface 3 to the vertical central plane of the sleeper block 1 inclined.
  • the first inclined section 4b is adjacent to the sole surface 3 more inclined than the second inclined portion 4c adjacent to the first inclined section 4b.
  • the first has an inclined Section an inclination of 1: 5, and the second inclined section an inclination from 1:20.
  • the sleeper block thus tapers in the direction of the sole surface 3, i.e. the more he protrudes into the concrete bed 12, the stronger.
  • the threshold block 1 according to the second embodiment has a step portion 7, which, as described in connection with the first embodiment, is trained.
  • the inclined portions 4b and 4c of the side surface 4 of the second embodiment are formed by the elastic material.
  • an edge is formed in the side surface 4. Because this edge is in the range of elastic Material 5 of the side surface 4, no sharp or hard edge is formed, so the risk of damage in the transition area, in particular when transporting or handling the sleeper block is avoided.
  • An adhesive bond between the elastic material 5 and the threshold block body 2 is different from an adhesive bond between the elastic material 5 and the concrete bed 12.
  • the adhesive bond between the elastic Material 5 and the threshold block body 2 larger than the adhesive bond between the elastic material 5 and the concrete bed 12.
  • the threshold block 1 according to the first and second exemplary embodiments can be simplified Used in the concrete bed of a solid carriageway with a higher embedding depth become. Furthermore, the threshold block 1 according to the first and second exemplary embodiment allows a simple height correction, as will be explained below.
  • threshold block 1 it is preferred different materials on the side (side surfaces) and below (brine surface) or to use different properties and strengths. This will make the elastic storage of the sleeper block in the concrete bed set in the desired manner.
  • the elastic mounting of the sleeper block in the concrete bed is according to the specified elastic deflection in the vertical and horizontal directions.
  • the elastic material 5 is on the side surfaces 4 formed as a closed ring and with the elastic material on the Sole surface, in particular connected by contact pressure.
  • the side elastic Layer and the elastic sole surface are formed at the corner such that when No sustainable sound bridge can be built in concrete.
  • Cement slurry with with a thickness of 0.5 - 1 mm thickness are broken and is therefore not a structure-borne noise bridge.
  • the lateral elastic layer is preferred pulled down in order to pull the sleeper block (exchange or height correction, which is described below) the sole coating before Protect peeling on the edge.
  • the threshold block 1 according to the first and second exemplary embodiment with the sole surface, which is made of elastic material, and with side surfaces, at least are partially formed from elastic material, has a high dimensional accuracy.
  • the outer dimensions of the sleeper block have tight tolerances. This will handling is simplified and standardization is possible. These tight tolerances facilitate the replacement of the sleeper block, as will be described below is.
  • This high dimensional accuracy is made possible by the elastic Material 5, e.g. in the form of mats, is connected to the threshold block body 2 to form the monolithic sill block.
  • Fig. 3 is a threshold block unit for insertion into a track superstructure solid roadway shown.
  • This threshold block unit 8 has a first and a first second threshold block 1, which are connected to one another by a connecting support 9 are.
  • These threshold blocks 1 are according to the first and second exemplary embodiments 1 and 2, so that the explanations are repeated is waived.
  • the threshold block unit can also be used with others, for example conventional threshold blocks are formed.
  • the threshold block unit 8 has opposite each other Threshold blocks 1, which are connected by the connection carrier 9.
  • the threshold blocks 1 shown are provided for mounting a rail (not shown).
  • the distance between the two threshold blocks 1 is dependent on the connection carrier 9 the gauge.
  • the two sleeper blocks 1 are connected to one another by two connecting supports.
  • connection support 9 is designed as a so-called lattice support and at least has two, i.e. an upper and a lower cross strut 9a (b), 9c. Preferably are three, i.e. two upper and one lower cross strut 9a, 9b, 9c are provided. alternative it is also possible to use one upper and two lower cross struts or rods.
  • These cross struts 9a, 9b, 9c each extend into the sleeper blocks 1, such as this is shown by the broken line in Fig. 3.
  • These cross struts are used in the Manufacturing method of the threshold blocks 1 introduced into the respective molds in order to manufacture the threshold block unit 8.
  • the cross struts 9a, 9b, 9c are truss-like in a central section braced with each other in order to achieve the necessary rigidity of the sleeper block unit receive. This stiffness is necessary to ensure that it can be handled (storage, transport, Installation) and the adjustment of the sleeper block unit when inserted into the track superstructure to simplify the slab track.
  • Machines and devices which are generally known from ballast track construction in the construction of the fixed Lane are used.
  • the cross struts 9a, 9b, 9c are in one section not braced adjacent to the sleeper block 1.
  • This elastic covering 10 is made made of an elastic material, e.g. Foam or polystyrene.
  • This elastic Envelope 10 allows decoupling of threshold block 1 when the threshold block unit 8 is inserted into the concrete bed 12, the connecting support 9 in the Concrete bed 12 is added.
  • connection carrier 9 When loaded, it is necessary that the elastically mounted sleeper block 1 sink can. Any a lowering of the sleeper block 1 would be included in the concrete bed 12 not possible.
  • Due to the elastic covering 10 of the cross struts 9a, 9b, 9c of the connection carrier adjacent to the threshold block 1 is a bend of the individual Cross struts or bars possible in this area. This bend creates elasticity ensures that the threshold block 1 can be lowered. Through the elastic covering 10, the bend is not hindered by the concrete bed 12.
  • This Bending of the individual cross struts can be done by an appropriate choice of cross sections of the individual cross struts are favored or specifically determined. For example one or more predetermined bending points, e.g. Cross-sectional weaknesses, formed on the individual cross struts in the region of the elastic covering 10 his.
  • connection carrier 9 The elasticity mentioned by the bending of the cross member 9a, 9b, 9c adjacent to the Threshold block 1 is directed essentially perpendicular to the connection carrier 9. Lateral forces, in particular tensile forces, in the longitudinal direction of the connection carrier 9, i.e. are directed in the longitudinal direction of the cross struts 9a, 9b, 9c, by the cross member transferred and supported so that this connection acts as a kind of tie rod the lateral displacement of the sleeper block unit 8 acts in the fixed lane.
  • the cross member adjacent to the Cut threshold block 1 after inserting and curing concrete bed 12 become.
  • a spacing element 11 adjacent to the threshold block 1 as shown on the right Side of Fig. 3 is shown.
  • This spacer 11 forms in the area of the cross member 9 a type of joint that extends to the surface of the concrete bed 12. It is the spacer 11 made of an easily removable material or a material that creates a low resistance for a cutting tool. Such a material is for example foam or polystyrene.
  • the severing can also be done by special measures (cross-sectional weakening or installation of brittle intermediate parts) of the upper and lower cross struts Target breaking points are simplified. Ideally, these prepared spots break reliable when the track is first loaded by a heavy train. such Desired breaking points can also be used in connection with the elastic described above Wrapping 10 are used.
  • the elastic covering 10 enables the necessary displacement on the individual cross struts to trigger the break. Are these predetermined breaking points designed so that the breakage is caused by the first load If the track is pulled by a heavy train, the concrete bed will not open necessary to achieve the decoupling of the sleeper block from the concrete bed.
  • the connecting support 9 is essentially a pure assembly aid.
  • the threshold block unit is on the left side with an elastic covering 10 and provided on the right side with a spacer 11.
  • This Mixed construction is advantageous if for a sleeper block (right sleeper block) an essentially complete decoupling is desired while for the other Threshold block (left threshold block) in addition to the sufficient elasticity also the recording lateral tensile forces through the truss-like braced connecting bracket 9 is desired. For example, this can occur in tight radii with large cantilevers Case.
  • the threshold block unit can be used on both Sides have the elastic covering 10 or the spacer 11.
  • both the mentioned Mixed construction can be carried out as well as a variant in which both sides of the two Connection carrier with the elastic covering 10 or the spacer element 11 are trained.
  • the elastic covering can be combined with a spacer. It enables the elastic covering a corresponding elasticity of the threshold block, while the spacer simplifies refurbishment of the sleeper block assembly, like this will be explained below.
  • the lower or the upper cross struts are formed with the elastic covering, and each remaining cross struts can be provided for severing.
  • the can upper cross struts through an opening and using a cutting tool or the like.
  • FIGS. 1 to 3 and the preceding ones Variants described show schematically a track superstructure of a fixed Roadway.
  • this track superstructure there is a sleeper block according to the first or second embodiment included in the concrete bed 12.
  • threshold blocks 1 there is an adhesive connection between the elastic Material 5 and the threshold block body 2 different to an adhesive connection between the elastic material 5 and the concrete bed 12. This is done Removal of threshold block 1 in a defined manner during renovation, i.e. either the threshold block body 2 is released from the threshold block 1 and that elastic material 5 remains in the concrete bed 12, or the threshold block 1 is in the Entirely removed from the concrete bed 12.
  • the adhesive bond between the elastic material 5 and the threshold block body 2 less is as the adhesive bond between the elastic material 5 and the concrete bed 12 the threshold block body 2 can be replaced without the elastic material 5 needs to be replaced.
  • the adhesive bond between the elastic material 5 and the concrete bed 12 is less than the adhesive bond between the threshold block body 2 and the elastic material 5, so that the threshold block 1 always as Whole removed from the concrete bed 12 and through a similar threshold block 1 can be replaced.
  • the following is the procedure for making a threshold block for insertion described in a track superstructure of a fixed carriageway. This procedure can both for the manufacture of the sleeper block according to the first embodiment as well as for the manufacture of the sleeper block according to the second embodiment be used. Furthermore, the method for producing the Threshold block unit can be used.
  • a mold (not shown) is used, the inner surfaces of which form the side surfaces 4 of the sleeper block 1 are trained.
  • Such a shape is usually formed in two parts. Doing so the elastic material is inserted into the mold and concrete is filled into the mold To form threshold block body 2. The threshold block is removed, this has a sole surface made of elastic material and has side surfaces which are at least partially formed from elastic material.
  • the threshold block is manufactured overhead, i.e. the Form is open in the area to form the sole surface.
  • the elastic material 5 for all side surfaces 4 of the sleeper block 1 as a ring in the Form used.
  • concrete is poured into the mold and compacted. following the elastic material for forming the sole surface is placed from above, in shook the fresh concrete and overturned the form for demoulding.
  • the “overhead” production i.e. the threshold is followed by the rail attachment manufactured below, allows high accuracy in terms of contact areas for the Rail fastening, especially the positioning of the embedded dowels. Farther is the surface contour on the side of the rail fastening and the concrete quality the contact surface rail fastening - threshold in the desired manner. With the “overhead” production, the high requirements can be met.
  • a multi-part mold is used to manufacture the sleeper block.
  • This Form has a basic formwork in which the exact form in the area of the rail supports and rail fastening including the position of dowels.
  • This Basic formwork has receiving devices for the dowels in the area of the base Rail fastening.
  • the side walls of the mold for forming the side surfaces of the sleeper block are as foldable or pivotable side walls.
  • this shape has four foldable side walls, with an inclination of approx. 1:10 can be moved outwards to approx. 1:20 inwards.
  • These flaps can be flat (flat inner surface), for example around a sleeper block to manufacture according to the first embodiment; or can kink (Inner surface with two differently inclined surface sections) with or without fillet included, for example, a threshold block according to the second embodiment manufacture.
  • a Drive provided for the movement of the foldable side walls. This drive can be hydraulic, pneumatic or mechanical respectively.
  • the edges of these side walls are separated from each other so that the shape is easily accessible and the elastic material can be easily inserted.
  • the closed State or the closed position of the pivotable side walls are the Edges of these side walls form-fit in contact with one another and form together with the basic formwork, a mold space closed on five sides and open at the top is.
  • the exact form of the formwork and the lateral corner formation is determined by the Form fit of the foldable side walls ensured at their edges. Depending on the training the edges become the foldable side walls in a predetermined order closed.
  • the foldable side walls of the formwork each have a holding device for Position the elastic material on.
  • the elastic material is in shape of elastomer mats by negative pressure (vacuum) and / or by clasping the upper 5 to 10 cm of the elastomer mats.
  • the sleeper block with the sole surface made of elastic Material is formed, and with side surfaces that are at least partially made of elastic Material are formed, high dimensional accuracy.
  • the outside dimensions of the threshold block have tight tolerances. This simplifies handling and standardization is possible. These tight tolerances make it easier Replacing the threshold block as described below.
  • This high dimensional accuracy is possible because the elastic material 5, e.g. in shape of mats into which the mold is inserted and connected to the sleeper block body is going to form the monolithic sill block.
  • the outer dimensions of the Threshold block (with the elastic material) are due to the shape in tight tolerance certainly.
  • each of these shapes essentially is the same as the shape described above.
  • the side walls facing the other shape are formed with openings, for example slots, around the connection carrier insert into the mold from above.
  • the sealing can be preferred due to lost deposits made of plastic or wood in combination with the elastic material and any separating material for severing the cross struts can be achieved.
  • a corresponding sealing element can be integral with the elastic described Envelope or formed according to the spacer described above his.
  • the basic formwork is cleaned. This is done, for example, by blowing out the formwork. To make it easier to remove formwork, the formwork is sprayed with formwork oil. The dowels for the rail fastening are on the dowel holder of the formwork attached. If necessary, a threshold test is inserted into the form. at the manufacture of the sleeper block unit with opposing sleeper blocks the connection carrier is inserted into the respective shape from above, the corresponding Openings are sealed as described above.
  • the elastic material for the side surfaces for example made of elastomer mats Form of a ring or two to four individual pieces is inserted into the mold and positioned. There is a stop device in the formwork for this positioning intended. These elastomer mats are made by vacuum (vacuum) or by Clasp held. The four side surfaces are inclined by one Folded inward on the outside to close the mold. In doing so the side flaps are positively connected at their edges. The order of the Folding is determined by the formation of the edges. The foldable side panels the form are locked after closing.
  • Concrete is poured and compacted into the closed and locked form. This happens in one or more work steps with dosing and pressing the concrete by a vibrating plate in stamp form from above. Then the vibrating plate lifted off and the elastic material for the sole surface applied. This elastic Material in the form of an elastomer mat is stamped from above using the vibrating plate pressed here and shaken.
  • the entire Form together with a support plate on the hall floor or a conveyor overturned for further manipulation.
  • the locking of the side foldable side panels are released and the foldable side panels are opened. Then will the formwork is lifted and stands for the production of another sleeper block or another threshold block unit.
  • sleeper blocks By simply replacing the foldable side walls, sleeper blocks can be placed in can be easily manufactured with different heights.
  • the elastic material is inserted into the mold and adjusted. This is done for example by means of a stop or by vacuum or Brackets. Then concrete is poured into the mold.
  • Step section 7 explained above is formed, so that on the side surfaces 4 of the Threshold block 1 a smooth transition from the outer surface 5a of the elastic Material 5 to the outer surface portion 7b of the threshold block body 2 is formed.
  • the brine surface 3 is complete and the side surfaces 4 at least partially formed from elastic material 5.
  • the step section 7 to the threshold block body 2 and the attached elastic material 5 an integral threshold block 1 created, the penetration of water and Dirt is prevented safely. Since the side surfaces 4 are stepless and the elastic material 5 is firmly connected to the threshold block body 2, a Accumulation of water and dirt is reduced without additional measures.
  • a track superstructure of a fixed carriageway is shown, in which, as in Fig. 3, the connecting support 9 is completely accommodated in the concrete bed 12.
  • the elastic covering 10 or the spacing element 11 since this (as described above) provides the necessary elasticity of the threshold blocks 1 can be ensured.
  • the connection carrier 9 Through the complete inclusion of the connection carrier 9 the embedding depth of the threshold blocks 1 can be increased significantly. This will make the Strength of the solid road surface improved, so that stiffening measures, such as Reinforcements can be reduced or omitted.
  • connection carrier 9 completely included in the concrete bed 12.
  • the maximum embedding depth is essentially determined by the rail and the rail fastening, a space must be provided for assembly and maintenance. Consequently can embed up to 140mm with a threshold block height of approx. 200mm and it is sufficient that the upper edge of the sleeper block is approx. 80mm is arranged above the surface of the concrete bed.
  • connection carrier 9 Furthermore results from the complete inclusion of the connection carrier 9 and the large embedding depth makes the road much smoother because of the exposed cross sleepers or cross members are not required. This reduces and decreases the air resistance of the road a trip hazard. The reduced air resistance already reduces the noise reduced when driving. Furthermore, by the more uniform Surface simplifies the application of sound absorbing coatings or coverings.
  • a solid carriageway is in the area of switches and connecting tracks to turnout monoblock sleepers (in the track with 2 fastening points and used in the switch with up to 4 fastening points).
  • the length of the sleepers is constantly changing and the elastic material is in shape of mats to form the side surfaces and on the sole afterwards in the sleeper or glued to the sleeper block body at the construction site.
  • the threshold blocks for the area of a switch similar to those described above Threshold blocks formed.
  • the Threshold block By using the glued-on mats made of elastic material, the Threshold block with high dimensional accuracy designed as a monolithic sill block.
  • the outer dimensions of the sleeper block have tight tolerances. These tight Tolerances make it easier to replace the sleeper block, as follows is still described.
  • a threshold block 1 with inclined portions is as in the first and second embodiment shown, simply by lifting it out.
  • the adhesive bond between the elastic material 5 and the concrete bed 12 less than the adhesive bond between the elastic material 5 and the Threshold block body 2.
  • the threshold block 1 can be removed as a whole in the event of defects and be replaced by a similar one.
  • For reinstalling removed swelling blocks or exchanged swelling blocks becomes lubricant, preferably soap. This is advantageous because of the high thrust distances, which can accommodate the side materials to minimize when inserting.
  • the threshold block 1 can only be removed when the connection to the connection carrier 9 is cut is. This is already the case with the variant of the complete decoupling, as was described in detail above.
  • the cross struts 9a, 9b, 9c of the connecting support 9 must be severed in order to remove the threshold block 1. This can be done in such a way that the concrete bed 12 and the cross beams adjacent to the sleeper block 1 are severed. With regard to renovation, however, it is preferred that the elastic covering 10 in Connection with the spacer 11 on a side adjacent to the threshold block 1 is provided. The cutting of the cross struts 9a, 9b, 9c in easily done through the joint formed by the spacer 11. In this variant, however, the connection carrier 9 is only severed if if threshold block 1 is to be removed.
  • the side elastic Layer increased from 150mm to approx. 200mm and thus an embedding depth of up to 190 mm with a correction reserve of approx. 120 mm.
  • the original concrete bed can be the original embedding depth after the height correction be restored.
  • this compensation layer the existing one Concrete surfaces cleaned and the grain structure exposed if necessary by high pressure.
  • you can connect in the area of the threshold preheads the new, with the old concrete layer, pegs are drilled. This allows Height corrections by the appropriate amount again from scratch be performed. Thus, certain sections of the track are accumulated Height corrections possible. Through these repeated height corrections is an overall correction essentially unlimited scope possible.
  • the procedure for correcting the height of a track superstructure on a fixed carriageway can with the previously described threshold blocks or the threshold blocks of threshold block units described above are performed.
  • the threshold block is used with a specified embedding depth in a concrete bed (12) of the slab track.
  • the sleeper block (1) is lifted out of the concrete bed (12) and into Positioned depending on a predetermined height correction. After that there will be a space between the threshold block (1) and a recess in the concrete bed (12) Filling material, especially concrete, filled up. This recess is created by removing it and position the threshold block as shown, for example, in FIG. 2 is shown.
  • This procedure can be repeated several times, so repeated Height corrections at intervals or a correspondingly large height correction in several levels is possible.
  • an embedment depth of approx mm With sleepers, an embedment depth of approx mm provided. There is a height reserve for height corrections of approx. 70 mm. Thus, the height corrections can be made up to an embedment depth of approx. 70 mm done without further application of a leveling layer. If a height reserve of more than 60mm after up to approx. 6 height corrections (under 10mm reserve) by applying a leveling layer that is at least 60-70mm thick the original embedding depth is restored, so that further height corrections can be done using the new correction pool.
  • the layer out Compensation material in particular concrete, is applied to the concrete bed 12 when a predetermined dimension of approx. 60 mm of a total height correction has been reached.
  • the leveling layer is approx. 70mm, on the one hand to be able to accommodate reinforcement with the required concrete cover and on the other hand to ensure the necessary internal strength. Thin layers tend for crumbling and breaking. Avoid this. By applying the layer the predetermined embedding depth of the sleeper block essentially becomes from compensating material restored.
  • the layer of compensating material is considered reinforced Layer with at least one reinforcement element, for example made of steel or plastic (e.g. GRP mats).
  • a connecting element in is made up of the layer Compensation material and the concrete bed introduced to connect them.
  • This procedure can be done multiple times, making repeated height corrections at intervals or a correspondingly large height correction in several Levels is possible. So there is an essentially unlimited height correction possible.
  • the pressing or pouring in also in the area of the free flanks.
  • a cavity under the threshold block is in Fig2. shown.
  • the material is pressed in until it is in the diagonally opposite cannula swells upwards. With larger elevations, there is also a gap formation around around the coat. In this case, this gap is also shed. It can be found here the crack repair usual procedures with temporary sealing of the surface and subsequent Squeeze find use.
  • the aforementioned renovation or height correction can be done in a simple, time-saving and can thus be carried out cost-effectively. This allows the work mentioned can be carried out in short pauses and thus high availability the railway line can be reached.
  • Such renovations can be systematically prepared according to prepared procedures uniform spare parts.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Road Paving Structures (AREA)
EP01120522A 2001-08-28 2001-08-28 Blochet de traverse, traverse à blochets, procédé et moule pour la fabrication d'un blochet ou d'une telle traverse, superstructure de voie ferrée, et procédé de correction du niveau d'une voie ferrée sans ballast Withdrawn EP1288370A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01120522A EP1288370A1 (fr) 2001-08-28 2001-08-28 Blochet de traverse, traverse à blochets, procédé et moule pour la fabrication d'un blochet ou d'une telle traverse, superstructure de voie ferrée, et procédé de correction du niveau d'une voie ferrée sans ballast

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EP01120522A EP1288370A1 (fr) 2001-08-28 2001-08-28 Blochet de traverse, traverse à blochets, procédé et moule pour la fabrication d'un blochet ou d'une telle traverse, superstructure de voie ferrée, et procédé de correction du niveau d'une voie ferrée sans ballast

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT503772B1 (de) * 2006-05-19 2008-06-15 Getzner Werkstoffe Holding Gmbh Weiche für eine gleisanlage für schienenfahrzeuge
WO2010083935A1 (fr) * 2009-01-20 2010-07-29 Semperit Ag Holding Sabot pour traverses
CN101967780A (zh) * 2010-10-11 2011-02-09 江阴海达橡塑股份有限公司 剪切型弹性轨枕复合减震器
CN104723442A (zh) * 2015-03-05 2015-06-24 北京中铁房山桥梁有限公司 活底岔枕模型及其生产岔枕的方法
CN111455739A (zh) * 2020-04-11 2020-07-28 中铁二院工程集团有限责任公司 一种组合式轨枕
CN113696302A (zh) * 2021-08-31 2021-11-26 中交路桥建设有限公司 预制t梁改多跨径预制箱梁台座的施工方法
US11427970B2 (en) 2017-11-21 2022-08-30 Getzner Werkstoffe Holding Gmbh Switch
CN115709518A (zh) * 2022-11-17 2023-02-24 河南恒耐尔耐火材料有限公司 一种高炉炉缸整体浇筑装置及浇筑方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB332659A (en) * 1929-05-03 1930-07-31 Wallace Charles Yeomans Improvements relating to concrete railway ties
GB1538997A (en) * 1976-02-25 1979-01-24 Walker & Co Nv Method of constructing a ballast-free railway a railway constructed by said method and a block for use in such a railway
FR2539169A1 (fr) * 1983-01-12 1984-07-13 Delmas Georges Coffrage enveloppe pour ouvrages en beton
DE3602669A1 (de) 1986-01-31 1987-07-30 Japan National Railway Federnder ueberzug fuer eine direktverbindungs-schwelle
EP0557870A1 (fr) * 1992-02-28 1993-09-01 Saar-Gummiwerk GmbH Traverse pour rails de chemin de fer à utiliser dans une superstructure sans ballast
DE4335516A1 (de) 1993-10-19 1995-04-20 Phoenix Ag Schwellenschuh
EP1039033A1 (fr) * 1999-03-19 2000-09-27 GSG Knape Gleissanierung GmbH Méthode de réalisation d'une voie ferrée et son système d'alignement

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB332659A (en) * 1929-05-03 1930-07-31 Wallace Charles Yeomans Improvements relating to concrete railway ties
GB1538997A (en) * 1976-02-25 1979-01-24 Walker & Co Nv Method of constructing a ballast-free railway a railway constructed by said method and a block for use in such a railway
FR2539169A1 (fr) * 1983-01-12 1984-07-13 Delmas Georges Coffrage enveloppe pour ouvrages en beton
DE3602669A1 (de) 1986-01-31 1987-07-30 Japan National Railway Federnder ueberzug fuer eine direktverbindungs-schwelle
EP0557870A1 (fr) * 1992-02-28 1993-09-01 Saar-Gummiwerk GmbH Traverse pour rails de chemin de fer à utiliser dans une superstructure sans ballast
DE4335516A1 (de) 1993-10-19 1995-04-20 Phoenix Ag Schwellenschuh
EP1039033A1 (fr) * 1999-03-19 2000-09-27 GSG Knape Gleissanierung GmbH Méthode de réalisation d'une voie ferrée et son système d'alignement

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT503772B1 (de) * 2006-05-19 2008-06-15 Getzner Werkstoffe Holding Gmbh Weiche für eine gleisanlage für schienenfahrzeuge
WO2010083935A1 (fr) * 2009-01-20 2010-07-29 Semperit Ag Holding Sabot pour traverses
CN101967780A (zh) * 2010-10-11 2011-02-09 江阴海达橡塑股份有限公司 剪切型弹性轨枕复合减震器
CN101967780B (zh) * 2010-10-11 2012-04-11 江阴海达橡塑股份有限公司 剪切型弹性轨枕复合减震器
CN104723442A (zh) * 2015-03-05 2015-06-24 北京中铁房山桥梁有限公司 活底岔枕模型及其生产岔枕的方法
US11427970B2 (en) 2017-11-21 2022-08-30 Getzner Werkstoffe Holding Gmbh Switch
CN111455739A (zh) * 2020-04-11 2020-07-28 中铁二院工程集团有限责任公司 一种组合式轨枕
CN113696302A (zh) * 2021-08-31 2021-11-26 中交路桥建设有限公司 预制t梁改多跨径预制箱梁台座的施工方法
CN115709518A (zh) * 2022-11-17 2023-02-24 河南恒耐尔耐火材料有限公司 一种高炉炉缸整体浇筑装置及浇筑方法
CN115709518B (zh) * 2022-11-17 2024-01-05 河南恒耐尔耐火材料有限公司 一种高炉炉缸整体浇筑装置及浇筑方法

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