EP0808945A2 - Superstructure de voie ferrée - Google Patents

Superstructure de voie ferrée Download PDF

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Publication number
EP0808945A2
EP0808945A2 EP97108169A EP97108169A EP0808945A2 EP 0808945 A2 EP0808945 A2 EP 0808945A2 EP 97108169 A EP97108169 A EP 97108169A EP 97108169 A EP97108169 A EP 97108169A EP 0808945 A2 EP0808945 A2 EP 0808945A2
Authority
EP
European Patent Office
Prior art keywords
track
sliding sleeve
threshold
track superstructure
superstructure according
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Withdrawn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
EP97108169A
Other languages
German (de)
English (en)
Other versions
EP0808945A3 (fr
Inventor
Harald Dr. Fritzsch
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.)
Odebrecht Bau AG
Original Assignee
Odebrecht Bau 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 Odebrecht Bau AG filed Critical Odebrecht Bau AG
Publication of EP0808945A2 publication Critical patent/EP0808945A2/fr
Publication of EP0808945A3 publication Critical patent/EP0808945A3/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Withdrawn legal-status Critical Current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
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • E01B1/007—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with interlocking means to withstand horizontal forces
    • 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
    • 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
    • E01B2204/04—Direct mechanical or chemical fixing of sleepers onto underground
    • 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
    • E01B2204/09—Ballastless systems
    • 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
    • E01B2204/13—Dowels for slabs, sleepers or rail-fixings

Definitions

  • the invention relates to a track superstructure according to the preamble of claim 1 and a method for its production and position correction. It is used in particular in a ballastless track superstructure with a solid base layer, e.g. made of asphalt or concrete.
  • a track superstructure according to the preamble of claim 1 is known from DE 43 13 105 A1.
  • ballastless track superstructure A major problem with a ballastless track superstructure is the lateral force transfer from the sleeper to the base course. This is usually achieved by casting the sleepers and thereby fixing them with respect to the base layer. This procedure has the disadvantage that the track systems produced in this way are difficult to maintain and position corrections can only be carried out with considerable effort.
  • DE 43 13 105 A1 discloses a track superstructure according to the preamble of claim 1, in which a dowel or threaded rod is glued as a fixing part in a bore in a base layer.
  • the fixing part is guided by a sliding bush in a bore in the sleeper so that the fixing part is movable in the bore in the vertical direction, but is not movable in the lateral direction, in particular in the longitudinal direction of the track.
  • Subsequent position correction is difficult with this track superstructure.
  • the threshold To carry out a horizontal position correction, the threshold must be removed and, after the correction, a new hole must be drilled in the base course in order to anchor the threshold again.
  • a track superstructure is known from DE 44 05 679 A1, in which the sleeper is pressed against the supporting layer by tensioning brackets, which are laid over the sleeper cross-section, and are tensioned by screws which are anchored in the supporting layer. With this track superstructure, a position correction can be carried out after loosening the clamping bracket.
  • this track superstructure has the disadvantage that when the tension of the bracket decreases due to vertical vibrations of the sleeper, a fixation in the longitudinal direction of the sleeper is no longer sufficient.
  • the track superstructure according to the invention preferably has a solid base layer, for example made of concrete or asphalt material, applied to a single or multi-layer substructure, which in turn can consist of one or more layers.
  • the fixing element can be designed as a transverse force mandrel, which is rigid and is not slidably locked in the base course in the direction of the track.
  • the fixing element is preferably freely or at least limitedly movable in a sliding sleeve in the vertical direction. In the latter case, the vertical movement can be limited by a stop on the fixing element or by a spring or the like.
  • the fixing element is preferably anchored by means of a dowel of known design which is introduced into a blind hole in a solid base layer.
  • a dowel By using a dowel, the transverse force is transferred to a considerably larger area of the base layer than, for example, when the fixing element is glued, without the permissible stresses on the borehole wall being exceeded.
  • a deep integration as was necessary according to the state of the art, is no longer necessary.
  • the dowel can optionally be simply pulled and replaced using known slot methods. The low position of the force application point in the sliding bush reduces the resulting forces acting on the fastening element and the dowel.
  • the fixing element can already be used during the production of the base layer e.g. be integrated into the base layer as a reinforcement element or prefabricated part or, as described in DE 43 13 105 A1, were glued in a blind hole in the base layer.
  • the sliding sleeve is preferably arranged displaceably in an elongated hole which is provided in a fastening element which is stationary with respect to the threshold.
  • the fastening element can be, for example, the track holder of a two-block sleeper, the middle part of a monoblock sleeper provided with a — preferably steel-reinforced — recess, or an element projecting beyond the sleeper cross-section, in which an elongated hole lying outside the sleeper cross-section is formed.
  • a protruding element can be provided in one piece both in the overlying and in the non-overlying area of the threshold formed with the threshold or firmly connected to it by suitable fasteners.
  • the elongated hole is preferably dimensioned such that a bore for anchoring the fixing element in the base layer can be made through this elongated hole and a dowel for anchoring the fixing element can be introduced into the bore through the elongated hole.
  • the sliding sleeve preferably has a protruding edge, e.g. a flange or a union nut that rests on the edge of the elongated hole.
  • one or more releasable stop elements can be provided as a securing device, which are locked in such a way that they block a movement of the sliding sleeve in the elongated hole.
  • a clamping bracket is preferably used for this purpose, which engages over the sliding sleeve and thereby prevents movement in both directions. This clamp is fixed by bracing against the fastener, e.g. by bracing against the walls of a recess in which the elongated hole is formed.
  • the threshold is secured against displacement in its longitudinal direction. After the stop element has been released, the sliding sleeve can move freely in the elongated hole, so that a horizontal position correction can be carried out.
  • the above-mentioned projecting edge of the sliding sleeve is pressed against the edge of the elongated hole by a spring pressed, which is supported on the fastening element or on the fixing element.
  • the sliding sleeve has two projecting edges on both sides of the elongated hole, wherein a wedge or a tension clamp between one of the edges and the fastening element presses the other edge against the fastening element and thereby locks the sliding sleeve.
  • the first edge can consist of a screwed-on union nut, wherein a spring between the union nut and the fastening element presses the other edge against the fastening element. The spring force can be regulated by tightening or loosening the nut.
  • the above-mentioned securing elements can also be used in such embodiments of the invention to secure a guide in which the sliding sleeve cannot be moved.
  • the securing device is preferably designed so that it can be rotated, e.g. by 90 °, can be fixed to the fastener.
  • an element can be used that is connected to the fastening element via a bayonet connection.
  • a clamping bracket or other spring element can be used, which is inserted into a recess containing the elongated hole and which is dimensioned such that it can be inserted into the recess in the relaxed state and clamped in the recess by twisting.
  • the sliding sleeve is formed in one piece with an element of the securing device or is firmly connected to it.
  • the invention can provide that the sliding sleeve is connected to a clamping element, for example a clamp or a spring clamping ring, which in turn is fastened to a tubular element which forms part of the threshold forms (eg a tubular track holder) or is firmly connected to the threshold.
  • the sliding sleeve can be moved along the longitudinal direction of the threshold by loosening the clamping element and the sliding sleeve can be fixed in a certain horizontal position by tightening the clamping element.
  • the sliding sleeve and optionally an annular holder in which the sliding sleeve is inserted can serve as a gauge for the blind bores in the base layer.
  • the fixing elements are preferably arranged in the middle of the threshold or track holder; however, they can also be provided at other locations, in particular also outside of the rail fastening. Furthermore, it can be advantageous to provide a plurality of fixing elements mounted in sliding sleeves for fixing a threshold, wherein the threshold can also be displaced along its longitudinal direction against the fixing elements after the securing device has been released. Additional securing, for example by means of a tensioning bracket placed over the threshold, is possible as a supplement.
  • Intermediate elastic layers e.g. made of plastic. With these intermediate layers, point loads can be avoided and the load on the solid base layer can be reduced overall.
  • the track superstructure according to the invention allows the track grating to be laid and aligned essentially with conventional track-laying machines. Furthermore, mechanical straightening processes in the horizontal and vertical directions can be carried out easily. A vertical position correction can be achieved in particular by mechanically lifting the track grate and applying a compensating layer on the base layer. In the track superstructure according to the invention, a considerably higher correction performance per unit of time can be achieved compared to the prior art are so that position corrections are also possible during off-duty use under operating conditions.
  • FIG. 1 and 2 show a first embodiment of a ballastless track superstructure according to the invention.
  • a rail is fastened via a rail fastening 2 of a known type to a two-block sleeper 1 with a track holder 4.
  • the two-block sleeper 1 is laid on a solid base layer 3, which here consists of two concrete or asphalt layers 3 1 and 3 2 .
  • Elastic intermediate layers can be provided between the supports of the sleeper 1 and the support layer 3.
  • the track holder 4 has the shape of a rectangular box, at least on a partial section, in the bottom of which an elongated hole 12 is formed. This box is open at the top and has two longitudinal edges 4 1 running in the longitudinal direction on its upper side.
  • a sliding sleeve 7 is inserted with a vertical bore, which rests on a flange 7 1 at its upper end on the edge of the slot 4.
  • a preferably made of steel clamping bracket 8 is braced against the edges 4 1 of the track holder 4 and / or against the walls of the box and thereby fixed.
  • those sections of the box which are loaded by the tensioning bracket 8 are provided with a surface structure which increases the friction between the tensioning bracket and the box, so that a tight fit is ensured.
  • the two legs 8 1 and 8 2 of the clamping bracket 8 overlap the flange 7 1 of the sliding sleeve in such a way that it is blocked and secured against movement in the elongated hole 12.
  • a dowel 6 is inserted into a blind hole in the base layer 3, in which a rigid transverse force mandrel 5 is screwed.
  • This transverse force mandrel 5 extends upwards through the bore the sliding sleeve 7. Its height is preferably such that it terminates approximately at the level of the upper edge 4 1 of the track holder 4.
  • the mandrel 5 is freely movable in the bore of the sliding sleeve 7.
  • the transverse force mandrel 5 guided in the bore of the sliding sleeve 7 fixes the sleeper 1 both in the longitudinal and transverse directions of the track grating, but allows the sleeper to move vertically with respect to the supporting layer 3 to. Since the force application point of the forces resulting from bending moments is at the sliding bush 7 and thus at the lower edge of the track holder 4, the resulting forces acting on the transverse force mandrel 5 and the dowel 6 are reduced. At the same time, the deep position of the sliding sleeve makes it possible to avoid restricting the clearance profile by the transverse force mandrel 5.
  • a solid base layer 3 is first applied to a substructure (not shown), which in the case of the example shown in FIG. 1 consists of two layers 3 1 and 3 2 .
  • the base layer 3 can of course also be a single layer or have more than two layers.
  • the track grate is then laid on this base layer 3 and part of the sleepers, possibly all of them, is each fixed by a transverse force mandrel 5.
  • a blind hole is made in the base layer 3 through the elongated hole 12 of the installed sleeper, into which the dowel 6 is then inserted.
  • the transverse force mandrel 5 is then screwed into the dowel 6.
  • the sliding sleeve 7 is placed on the mandrel 5 and pushed down along the mandrel 5 until the flange 7 1 rests on the edge of the elongated hole 12.
  • the sliding sleeve 7 can first be inserted into the elongated hole 12 and then the transverse force mandrel 5 can be screwed into the dowel 6.
  • a horizontal position correction is now carried out by moving the threshold 1, in which the sliding sleeve 7 is located in the elongated hole 12 shifts. Since the transverse force mandrel 5 is movable in the vertical direction in the sliding sleeve 7, a vertical position correction of the threshold can also be carried out, for example by padding with intermediate layers and then pouring the threshold under it. After completion of a possible position correction, the sliding sleeve 7 is then secured by the clamping bracket 8, so that the threshold is fixed in the longitudinal and transverse directions.
  • the method described above has the advantage that the blind bores on the already installed track grate can be aligned with the elongated holes as a teaching.
  • the bore of the sliding sleeve 7 can be dimensioned so that it can serve as a teaching for making the blind hole, so that the sliding sleeve 7 can be installed in the slot 12 before the threshold 1 is installed.
  • a horizontal position correction can be carried out without having to remove the transverse force mandrel or the rail.
  • the clamping bracket 6 has to be loosened, so that the sliding sleeve 5 can be displaced in the elongated hole 12 and the required horizontal position correction of the threshold can be carried out in the compensation method or according to fixed values with conventional straightening devices. Then the sliding sleeve is secured again by the clamping bracket 8.
  • a vertical position correction can also be carried out easily.
  • the track grating is raised to a sufficient base length with a track construction machine of a known type such that the transverse force mandrels 5 are still guided in the sliding bush 7.
  • the base layer 3 is now section by section milled off.
  • the sleepers are poured under until the sleeper supports rest on the full surface, whereby the sleepers are expediently first padded with passport intermediate layers of a significantly smaller area than the surface of the sleeper support and then a compensation layer is introduced by pouring the entire surface.
  • the track grate is then lowered again and the slide sleeves 7 are secured by the clamping bracket 8. In this way, even larger height corrections can be carried out repeatedly. Defects in the base layer 3 can also be easily repaired in this way.
  • the track grate can also be removed in sections before milling and applying a leveling layer. For small vertical corrections, simply padding the thresholds is sufficient.
  • the shear force mandrel 5 can be easily replaced in the event of a defect by unscrewing and screwing in a new mandrel without the track grate having to be moved for this purpose.
  • the dowel 6 can be slit through the elongated hole 12 and pulled to replace it with a new dowel.
  • Known machines can be used to slit and pull the dowel.
  • the embodiment of the track superstructure according to the invention shown in FIGS. 3 to 5 differs from the first embodiment by a different design of the slide sleeve and its securing.
  • the sliding sleeve 7a which is again guided in an elongated hole 12 of the box of the track holder 4 of a two-block sleeper 1, has an upper and a lower flange 7a 1 and 7a 2 , which lie on opposite sides of the elongated hole 12, so that the vertical movement of the sliding sleeve 7a in the elongated hole 12 is limited in both directions.
  • the upper flange 7a 1 has a vertical, downward-facing edge 7a '.
  • the sliding sleeve 7a is secured by a tension clamp 9 which is driven between the upper flange 7a 1 and a pressure plate 10 resting on the bottom of the track holder 4, the vertical edge 7a 'serving as a stop for the tension clamp 9.
  • the Tensioning clamp 9 preferably has a vertical curvature (cf. FIG. 5) so that it generates a spring force between the flange 7a 1 and the pressure plate 10.
  • the tension clamp 9 can of course also be driven between the track holder 4 and the lower flange 7a 2 .
  • the sliding sleeve 7a is movable in the elongated hole 12. Since the clamp 9 is not supported on the sides of the track holder, the edges 4 1 of the track holder can be omitted here.
  • the remaining components of the second embodiment correspond to those of the first embodiments.
  • the tensioning clamp 9 can be replaced by a spring ring and the upper flange 7a 1 by a union nut which is screwed onto a threaded section of the sliding sleeve 7a.
  • the spring force acting on the sliding sleeve can be adjusted by tightening or loosening the union nut.
  • another clamping element can be used instead of a clamping clamp, for example a clamping wedge.
  • FIG. 6 shows an example of a third embodiment of the track superstructure according to the invention, in which a two-block sleeper 1b is used which has a tubular track holder 4b.
  • the sliding sleeve 7b is slidably attached to the track holder 4b via a spring clip 11.
  • the sliding sleeve 7b can be moved along the track holder 4b, i.e. move in the longitudinal direction of the threshold 1b, and lock it by tensioning the spring clip at a certain point on the track holder 4b.
  • the spring clip 11 thus simultaneously fulfills the function of a guide element and a securing element.
  • the spring clip consists of two sub-elements 11 1 and 11 2 with interlocking ends, each of which has a bent section for enclosing the track holder 4b and a flat section have with a hole for receiving the sliding sleeve 7b without play.
  • the sliding sleeve 7b has a flange 7b 2 at its lower end and a union nut 16 at a threaded section at its upper end, which enclose the elements 11 1 and 11 2 between them.
  • a transverse force mandrel 5 is guided through the bore of the sliding sleeve 7b and is anchored in the supporting layer 3 as described above.
  • the sliding sleeve 7b holds the two sub-elements 11 1 and 11 2 together and is in turn secured by the drilling of these elements against displacement in the longitudinal and transverse directions.
  • the spring clip 11 is movable relative to the track holder 4b, so that it can be moved together with the sliding sleeve against the latter.
  • a clamp that is tightened with a screw or another suitable clamping element can also be used.
  • the sliding sleeve can be formed in one piece with a clamping element, such as a spring clip or a clamp, or can be firmly connected to it.
  • the blind hole for receiving the bracket 6 through the bore of the sliding sleeve if necessary also through the bore of the sub-elements 11 1 and 11 2 , can be introduced into the support layer 3 so that the alignment of the sliding sleeve with the Shear force mandrel is guaranteed by the manufacturing process.
  • a guide insert can optionally be inserted into the bore of the sliding sleeve 7b, which has a precisely fitting bore for receiving the transverse force mandrel 5.
  • FIG. 7 shows an example of a fourth embodiment of the track superstructure according to the invention, in which a monoblock threshold 1 'is used.
  • threshold 1 ' is not reinforced
  • a recess 17 is provided in the region of the middle part, into which a box-shaped steel support element 18 is embedded, which is designed similarly to the box-shaped section of the track holder 4 in the first embodiment.
  • a sliding sleeve 7 is inserted, which is secured by a clamping bracket 8 which is braced against the edge and / or the walls of the support element 18 and is thereby fixed.
  • a transverse force mandrel 5 is guided through the sliding sleeve 7 and, as described above, is anchored in the base layer 3 via a dowel 6.
  • a sliding sleeve provided with two flanges with a clamping wedge according to the second embodiment can also be used for securing.
  • Fig. 8 shows a fifth embodiment of the invention, in which a monoblock threshold 1 'is used.
  • a clamping plate 13 is integrated in the threshold 1 'in the region of the neutral axis and projects beyond the threshold cross section on one or both sides.
  • the clamping plate has an elongated hole 12, into which a sliding sleeve 7c is inserted.
  • the sliding sleeve has at its lower end a flange which bears against the clamping plate 13 and is provided at its upper end with a thread onto which a union nut 16 is screwed.
  • a compression spring ring 15 is arranged between the union nut 16 and the clamping plate 13 and braces the sliding sleeve 7c against the clamping plate 13. With the help of the nut 16, the spring tension can be regulated.
  • a transverse force mandrel 5 is guided through the bore of the sliding sleeve 7c and anchored in the base layer 3 with a dowel 6.
  • a Corresponding guide device consisting of elongated hole, sliding sleeve and transverse force mandrel can also be provided in the projecting section of the clamping plate 13 on the other side of the threshold (not shown in FIG. 8), so that the threshold is secured on both sides.
  • the clamping plate 13 can be integrated into the sleeper during manufacture and is preferably connected to the reinforcement in a non-conductive manner via plastic elements inside the sleeper.
  • the clamping plate can also be installed in standard sleepers.
  • the threshold is provided with one or more holes and the clamping plate with corresponding bolts which are guided through the holes and secured in a known manner.
  • FIG. 9 shows a modification of the embodiment of FIG. 8, in which instead of the clamping plate a coupling bracket 14 is used which rests on the top of the sleeper and whose vertical side sections merge into a horizontal section on both sides of the sleeper (in FIG 9, only one of these sections is shown for the sake of simplicity).
  • An elongated hole 12 is formed in each of these horizontal sections, in which the sliding sleeve 7c is attached and fixed, as described above with reference to FIG. 8.
  • the transverse force mandrel 5 anchored as described above can move freely in the bore of this sliding sleeve.
  • the cap is fixed with respect to the threshold in a known manner, for example by a screw or a recess in the top of the threshold.
  • the coupling bracket 14 can be connected to the sleeper 1 'via an elongated hole guide and secured against vertical and horizontal displacement by a suitable securing device, while the sliding sleeve 7c is accommodated in a bore which does not permit a displacement in the longitudinal direction of the sleeper.
  • transverse force mandrel In the exemplary embodiments described above, only one transverse force mandrel was used to fix the sleepers. Of course, several such transverse force mandrels can also be used to fix a single threshold.
  • the sliding sleeves assigned to the transverse force mandrels can either be displaceable in separate elongated holes or two or more sliding sleeves can be displaceably arranged in a single elongated hole.
  • the transverse force mandrel can have a stop at its upper end to limit the vertical movement in the sliding sleeve, which can be implemented, for example, by a union nut.
  • This stop can advantageously be used to support a spring which is guided by the transverse force mandrel and which is supported at its other end on the sliding sleeve, so that an elastic force is generated between the threshold and the transverse force mandrel or the supporting layer.
  • the point of application of the transverse force mandrel is preferably in the middle of the threshold; in principle, however, it can be provided at any point on the threshold, for example also outside the rail fastening.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Bridges Or Land Bridges (AREA)
  • Railway Tracks (AREA)
EP97108169A 1996-05-22 1997-05-20 Superstructure de voie ferrée Withdrawn EP0808945A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19620638A DE19620638C2 (de) 1996-05-22 1996-05-22 Gleisoberbau
DE19620638 1996-05-22

Publications (2)

Publication Number Publication Date
EP0808945A2 true EP0808945A2 (fr) 1997-11-26
EP0808945A3 EP0808945A3 (fr) 1998-05-20

Family

ID=7795037

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108169A Withdrawn EP0808945A3 (fr) 1996-05-22 1997-05-20 Superstructure de voie ferrée

Country Status (5)

Country Link
EP (1) EP0808945A3 (fr)
CZ (1) CZ148397A3 (fr)
DE (1) DE19620638C2 (fr)
HU (1) HUP9700898A3 (fr)
PL (1) PL320075A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010006162U1 (de) 2010-04-27 2010-07-29 Db Netz Ag Fixierelement für einen Gleisoberbau
HU230288B1 (hu) 2012-09-21 2015-12-28 Zoltán Mészárics Vasúti pályaszerkezet előre gyártott elemekből és eljárás annak megépítésére

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619417A1 (de) * 1986-06-10 1987-12-17 Salzgitter Peine Stahlwerke Betonschwelle
DE3710188A1 (de) * 1987-03-27 1988-10-13 Achim Wirth Spannoberbau
DE4239383C2 (de) * 1992-11-24 1996-08-14 Euka Bauelemente Verkaufsgesel Bahnkörper
DE4313105A1 (de) * 1993-04-22 1994-11-03 Walter Bau Ag Verfahren zum Herstellen eines schotterlosen Gleisoberbaus und ein nach dem Verfahren hergestellter Gleisoberbau
ES2066748T3 (es) * 1993-08-02 1998-04-01 Wayss & Freytag Ag Calzada firme para trafico sobre carriles.
EP0640718B1 (fr) * 1993-08-18 1998-06-03 Heilit & Woerner Bau-AG Voie de chemin de fer sur une dalle porteuse continue
DE4335877A1 (de) * 1993-10-18 1995-04-20 Betonwerk Rethwisch Gmbh Schotterloser Oberbau mit Betonschwellen
DE4405679A1 (de) * 1994-02-23 1995-08-24 Weiss Gmbh & Co Leonhard Gleisbefestigung auf einer festen Tragschicht
DE4428706A1 (de) * 1994-08-12 1996-02-15 Heilit & Woerner Bau Ag Gleisrost auf durchgehender Tragplatte und Verfahren zur Verlegung eines Gleisrostes auf durchgehender Tragplatte

Also Published As

Publication number Publication date
CZ148397A3 (en) 1997-12-17
HU9700898D0 (en) 1997-06-30
DE19620638C2 (de) 1999-05-06
PL320075A1 (en) 1997-11-24
EP0808945A3 (fr) 1998-05-20
DE19620638A1 (de) 1997-11-27
HUP9700898A2 (hu) 1998-03-30
HUP9700898A3 (en) 1998-10-28

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