EP0640718B1 - Voie de chemin de fer sur une dalle porteuse continue - Google Patents

Voie de chemin de fer sur une dalle porteuse continue Download PDF

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Publication number
EP0640718B1
EP0640718B1 EP94112925A EP94112925A EP0640718B1 EP 0640718 B1 EP0640718 B1 EP 0640718B1 EP 94112925 A EP94112925 A EP 94112925A EP 94112925 A EP94112925 A EP 94112925A EP 0640718 B1 EP0640718 B1 EP 0640718B1
Authority
EP
European Patent Office
Prior art keywords
base plate
track grid
groove
continuous base
track
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.)
Expired - Lifetime
Application number
EP94112925A
Other languages
German (de)
English (en)
Other versions
EP0640718A1 (fr
Inventor
Alexander Von Wilcken
Peter Plattner
Günter Dr. Oberweiler
Rainer Osswald
Günter Schröter
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.)
Heilit und Woerner Bau AG
Deutsche Bahn AG
Original Assignee
Heilit & Woerner Bau-Ag
Heilit und Woerner Bau AG
Deutsche Bahn 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
Priority claimed from DE4336877A external-priority patent/DE4336877A1/de
Application filed by Heilit & Woerner Bau-Ag, Heilit und Woerner Bau AG, Deutsche Bahn AG filed Critical Heilit & Woerner Bau-Ag
Publication of EP0640718A1 publication Critical patent/EP0640718A1/fr
Application granted granted Critical
Publication of EP0640718B1 publication Critical patent/EP0640718B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • E01B3/38—Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails
    • 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
    • E01B2204/05—Use of geotextiles
    • 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

Definitions

  • the invention relates to a track grating on a continuous in the rail longitudinal direction Support plate.
  • the support plate can be one with Reinforcement and, if necessary, concrete slab provided with transverse joints act or an asphalt slab.
  • the plate itself is on the underground, especially on the usual one hydraulically bound base layer (HGT layer) applied.
  • the sleepers of the possibly pre-assembled Track grids do not support each other, as with the classic one Normal superstructure, over a ballast bed on the ground off, with the track grate in the gravel wedged, but over the continuous support plate.
  • the sleepers of the Gjisjochs thereby to be connected to the support plate in a force-transmitting manner, that after adjusting the thresholds
  • Most of the threshold spaces are filled with concrete (Rheda system).
  • the thresholds must be so far from the pouring the support plate are removed so that the Concrete easily between the underside of the threshold and Carrier plate can penetrate, i.e. the track grate is by means of Vertical and horizontal spindles, e.g. at every second threshold, in the exact height and lateral position brought and then concreted.
  • DE-A-41 13 566 describes a ballastless superstructure with a gutter in the continuous support plate Inclusion of a shear base.
  • This shear force base engages form-fitting in a corresponding recess on the underside the thresholds in order to apply transverse forces to the thresholds to be able to derive into the support plate.
  • Removable fasteners such as dowels or screw connections are explicit declined.
  • the US-A-1,731,155 finally from 1929 shows a conventional ballast bed using parallel to Rail sections running rail sections below the sleepers in the ballast bed that are rigid with the sleepers are connected to increase the lateral resistance of the track grate.
  • the invention is based on the technical problem, one railway superstructure with a track grate on a continuous one To provide support plate, which saves labor and material to set up is easier with Adjustment of the track grate, if necessary Readjustability.
  • the simple anchoring of the sleepers via the fasteners on the longitudinal groove is sufficient to all in practical operation forces arising from the sleepers to be able to transmit underground. Due to the Use of detachable fasteners can be done with high Adjustment accuracy can be worked with the possibility a lateral readjustment, a repair by Exchange of sleepers and even one yoke Track renewal. Carrier plates can nowadays with high Height precision can be manufactured. If necessary, is a height correction in the rail fastening device possible. The vertically downward forces are transferred from the thresholds directly to the ones below horizontal support plate derived.
  • the longitudinal groove can be in simpler Way in the support plate either already at the Carrier plate production or subsequently incorporated into this will.
  • the fasteners can Pre-adjustment also more or less loosely in the longitudinal groove be used so that changes in length of the to be adjusted Track grate section due to thermal expansion or contraction of the rails, especially when Day / night changes are permitted and do not cause tension of the track grate.
  • the sleepers are flat on the support plate rest, preferably with the interposition of a stress compensation layer.
  • a bitumen layer could be used as a voltage compensation layer or the like.
  • This material is besides the easy handling, that there is no risk that the stress balance layer after frequent heavy loads from the side The space between the threshold and the support plate oozes out.
  • the fasteners include a bracket across the respective threshold, the two ends of which are each held by means of holding means Longitudinal groove transmitting force (positive and / or non-positive) are connected.
  • the bracket allows easy adjustment of the sleepers in the transverse direction, i.e. parallel to the longitudinal direction of the sleeper.
  • the respective threshold transverse position is then in fixed in a simple way that the bracket on the Retaining means on both ends of the bracket towards the Support plate is tightened. Due to the use of the Longitudinal groove can pass through any threshold in any the position of the respective track grate defined length position parallel to the direction of the rails on the support plate be determined.
  • the longitudinal groove is undercut
  • the fastening means comprise holding means with an in engaging the longitudinal groove, supported on the groove flanks Holding part.
  • the holding part from one the nut cross section adapted from or a bolt with a head adapted to the groove cross section (Hammer head) is formed.
  • the longitudinal groove from one into the Support plate used steel profile rail with C-profile or trapezoidal profile is formed.
  • the steel profile machine itself in the support plate concrete or asphalt
  • the Steel profile rail roughened on the outside or is profiled.
  • the steel rail is grooved on the outside.
  • the longitudinal groove is substantially parallel has mutually extending groove flanks
  • the Fasteners include holding means with one in the Longitudinal groove engaging, pressing against the groove flanks Expansion element.
  • the pull-out strength of the expansion elements in the groove and on the other hand continue to increase the Possibility to use the expansion elements on the sleepers pre-assembled without difficulty when inserting into the Longitudinal groove or lifting out of the longitudinal groove, it is proposed that the groove flanks slightly upward converge with an angle of inclusion (2 ⁇ ) from 1 to 10 °, preferably 2 to 6 °, better 3 to 5 °, ideally about 4 °.
  • the groove flanks one in the longitudinal direction of the groove have continuous profiling.
  • the profile preferably forms in the groove cross section in essentially a wavy line, preferably with an amplitude the wavy line of about 1.5 mm, so that on the one hand good cohesion between the expansion element and Grooved flanks result in the possibility not is excluded, the threshold together with repairs Lifting expansion element from the support plate, the Spreading element more or less strong beforehand, possibly at all does not need to be loosened.
  • the expansion element has a substantially U-shaped cross section with side walls resting on the groove flanks and a connecting web preferably at the upper ends of the side walls that the facing each other Inner surfaces of the side walls in the upward direction run towards each other, and that the holding means one to the Inner surfaces of the side walls of a spreading element Pressure element and one engaging on the pressure element Has clamping element for spreading the expansion element.
  • the connecting web could also be sent to the be arranged at the lower ends of the side walls. Prefers however, its arrangement is at the top ends of the side walls, around a larger contact area at the bottom to get the threshold.
  • the pressure element of a bolt head or one Screw nut is formed with a screw connection on the inner surfaces of the expansion element, in Direction upwards towards side surfaces running towards one another.
  • the expansion element can also be deformed on all sides Be formed compression part, which on the groove flanks, at the top of a pressure element as well the underside of the threshold or a counter pressure element is present, and that one engaging the pressure element Clamping element is provided for compression of the compression part between pressure element and threshold or counter pressure element and accordingly pressing the compression part to the groove flanks.
  • the compression part can be a hard rubber part act with low compressibility.
  • the pressure element of a pressure rail is formed with one of the groove width corresponding rail width, and that the clamping element includes a threaded bolt for adjusting the distance the pressure rail from the bottom of the threshold.
  • the Pressure element from one adapted to the groove ready Bolt head or nut is formed.
  • the pressure rail For the formation of the pressure rail to spread the Spreading element or compressing the compression part many forms of training are possible.
  • a first Embodiment of the invention provides that the two Ends of the pressure rail with the two ends of the Threshold crossbar are connected, preferably via at least one adjustable screw connection.
  • the pressure rail can be continuous just be trained.
  • the pressure rail from the middle section of one essentially U-shaped, embracing the threshold from below Bracket is formed, the ends of which end with the ends of the Threshold connected from above to the crossbar, preferably via at least one adjustable screw connection.
  • the essentially U-shaped bracket the threshold laterally encompasses that one side leg of the U-shape of the bracket the pressure rail forms, and that the ends of the bracket connected via an adjustable screw connection are.
  • the threshold is essentially U-shaped on three sides encompasses that one of the two side legs of the U-shape on the underside of the threshold lies with one over the Threshold cantilevered temple end, and that the temple end is designed as a counter-pressure element on the underside the expansion element or the compression element rests for bracing by a penetrating end of the bracket connecting both temple ends together, the Bolts or clamping bolts carrying the nut.
  • ballast is used as the power transmission medium avoided between threshold and underground. Yet can gravel with advantage to fill the threshold spaces be used as it is effective Has exposed sound insulation and also is available relatively inexpensively. Because the gravel is not directly charged during operation also the usual ones to be carried out at periodic intervals Ballast processing measures.
  • Thresholds only in the area of their middle length at the Longitudinal groove are anchored. The material and assembly effort is accordingly low.
  • the fastening means form a releasable positive or non-positive connection with the longitudinal groove.
  • Track grating is generally understood in this application an arrangement of sleepers and on the sleepers mounted rails, the rails also after Place the sleepers on the support plate and can be assembled.
  • a pre-assembled unit sleepers and rails on the other hand, become the rail track designated.
  • the invention also relates to a method for Disassembly of a track yoke from the support plate according to railway superstructure manufactured above, whereby the track yoke is completely lifted off the support plate, if necessary after loosening the fasteners.
  • the invention is based on a preferred embodiments explained using the drawing.
  • FIG. 1 The overall structure of the railway superstructure according to the invention together with the track grate or track yoke is shown in FIG. 1.
  • On the actual earth body 10 is the usual first Frost protection layer 12 applied and then the also usual hydraulically bound base layer (HGT) 14.
  • HHT hydraulically bound base layer
  • a support plate 16 which in the preferred embodiment is formed by a concrete slab. This isL continuously formed in the direction of the rail, if necessary, with transverse joints to ensure controlled transverse crack formation ensure.
  • the support plate 16 can with a reinforcement 18 made of cross bars 18a and longitudinal bars 18b be provided to increase the tensile strength.
  • the support plate can also be a Trade slab from asphalt or similar material.
  • Thresholds 20 of a track yoke 22 are placed directly on the support plate 16, an intermediate layer of “geotextile” advantageously being provided as a tension compensation layer 24.
  • This is a fleece or fabric made of plastic material.
  • a material thickness of 300 g / cm 2 is preferably provided.
  • This “geotextile” can be laid as a continuous web, which accordingly keeps the laying costs low, or can also be tailored to the size of the underside of the respective threshold 20 in order to keep the material expenditure correspondingly small.
  • the voltage compensation layer 24 prevents excessive voltage peaks in the contact area between the support plate 16 and the threshold 20 lying flat on it. The entire underside 20a of the threshold 20 can rest on the support plate 16.
  • the threshold 20 can also be formed in the region of its length center with a relatively flat cutout 20b on the underside 20a indicated in dashed lines in FIG. 1.
  • the recess 20b prevents the threshold from resting in the region of its center length, so that bending of the threshold under load when the support plate 16 is not exactly level is avoided.
  • a corresponding cutout can also be provided on the upper side of the support plate, as will be explained with reference to FIGS. 4 to 6.
  • Fastening means 26 are used to fasten the Rails 28 carrying sleepers 20 on the support plate 16. They are shaped by an essentially U-shaped the threshold 20 above and laterally encompassing the Threshold cross-section adapted bracket 30 formed with the aid of holding means which engage on both temple ends 32 connected to the support plate 16 in a force-transmitting manner is.
  • the holding means are formed by a head screw 34, through a bore 36a in a horizontal outward direction angled bracket end portion 36 of bracket 30 are inserted and into a nut 38 within an undercut Engage the longitudinal groove 40 of the plate 16 (see also Fig. 2).
  • the longitudinal groove 40 extends parallel to FIG. 1 Longitudinal direction of the rail 28 in the width center aer Support plate 16. It is through the interior of a steel profile rail 42 defines, for example, C-profile has or the trapezoidal profile shown in Fig. 2 with trapezoidal sides to be striven towards each other for formation the groove undercut.
  • the mother 38 is on the Adjusted groove cross-section, i.e. with a correspondingly beveled opposite side surfaces 38a.
  • the outline of the mother 38 is approximated rectangular with a measured in the longitudinal direction of the groove Width a of the nut 38, which is smaller than that clear insertion width of the longitudinal groove 40.
  • the nut can then in, opposite the lower part of the picture Fig. 2 of the nut 38, 90 degrees with a vertical axis rotated arrangement inserted into the longitudinal groove 40 and then turned back 90 degrees so that the surfaces 38a on the inside of the side legs 42a can support the steel rail 42.
  • bracket 30 By tightening the thread more or less 38c of the nut 38 2 the bracket 30 can do more or less strongly in the vertical direction on the support plate 16 are used for the corresponding preload the threshold 20 against the support plate 16.
  • the rails 28 are conventional, not shown Way over rail fasteners (steel brackets or the like.) With an intermediate plate 44 to the Thresholds 20 attached.
  • the support plate 16 is on the HGT layer 14 applied, for which appropriate pavers are available stand.
  • the longitudinal groove 40 is incorporated using the Steel profile rail 42.
  • the steel profile rail 42 roughened on its outside or be profiled, ideally with a number of Grooves 42b, which are indicated in Fig. 2.
  • the sleepers 20 placed, be it as part of the pre-assembled Gleisjoches or each with a subsequent one Assembly of the rails 28.
  • the fastening means 26 loosely mounted by the respective bracket 30 placed and the cap screws 34 in the previously in the longitudinal groove 40 nuts 38 loose be screwed in.
  • the nuts 38 can along the Longitudinal joint 40 moved back and forth practically unhindered be so that the bracket 30 and thus the thresholds 20 in any longitudinal position parallel to Rail longitudinal direction set on the support plate 16 can be.
  • the thresholds 20 can without further under the loosely placed bracket 30 in Cross direction, i.e.
  • the adjustment position By tightening the fasteners 26, i.e. the cap screws 34, the adjustment position once set fix the thresholds 20 permanently. Still is readjustment also after a long time without further possible.
  • the cap screws 34 are corresponding for this to loosen at the moment. Even individuals can Sleepers 20 or the entire track grate can be dismantled, by loosening the cap screws 34.
  • Common ballast 45 can be used for sound insulation be on the support plate 16 in the spaces 46th filled between successive thresholds 20 becomes.
  • FIG. 4 to 7 is a second embodiment of the Track superstructure with track grating on a continuous support plate shown.
  • Components that function according to such correspond to the embodiment according to FIGS. 1 to 3, are with the same reference numbers, but increased in each case provided with the number 100.
  • the following is in the first Line on the different features of the second embodiment received so that for the common Features expressly on the above description of the first embodiment.
  • the force-transmitting element namely the Nut 38
  • a positive Connection is present, which is an extension of the fasteners 16 reliably prevented from the longitudinal groove 40.
  • assembly and disassembly if necessary difficult because the cap screw 34 completely from the mother 38 must be solved and the mother 38 at Insert or remove from the longitudinal groove 40 by 90 ° must be rotated.
  • the longitudinal groove 140 is either with mutually parallel groove flanks or better with slightly upward running towards each other Groove edges 146 provided.
  • the angle of inclination ⁇ of each flank of the groove compared to the vertical direction is 1/2 ° to 5 °, better 1 to 3 °, ideally about 2 °. In the latter The trap angle is then 2 ⁇ between the two Groove flanks 146 4 °.
  • both groove flanks 146 are included a profile running in the longitudinal direction of the groove.
  • Each wavy line 152 can be from in particular three wave trains can be formed, the Wave amplitude c about 1 to 3 mm, better 1 to 2mm, am is about 1.5 mm.
  • the groove depth d is in Example trap 50 mm.
  • the wavy line 152 consists of a purely consecutive partial circle.
  • the spreading profile 150 already mentioned has an im essential U-shaped cross-section with on the groove flanks 146 adjacent side walls 154 and a connecting these Connecting bridge 156 at the upper ends of the side walls 154.
  • the spreading profile 150 is spread out with the aid a pressure element in the form of a straight pressure rail 158. This lies towards each other in the upward direction running side surfaces 158a on the correspondingly inclined Inner surfaces 154a of the side walls 154 on below Formation of a kind of "double wedge arrangement". This leads to a corresponding relative movement the side walls between the pressure rail 158 and the expansion profile 150 154 increasingly to the outside for contact with the groove flanks 146 can be pressed.
  • the support plate 116 with a correspondingly shaped recess 116a is provided, which is located on both sides of the longitudinal groove 140 extends.
  • the recess depth is, for example 10 mm with a total width of 60 cm.
  • the embodiment described here is also an intermediate layer in the form of a voltage equalization layer 124 (Geotextile) between threshold 120 and support plate 116, that are limited to the contact surfaces can.
  • the longitudinal groove 140 advantageously already during the production of the continuous Support plate 116 can be incorporated, as well as the Recess 116a.
  • the profile of the longitudinal groove 140 according to Fig. 7 can also be used in plate production respectively.
  • the holding means from expansion profile 150, pressure rail 158 and bolt 160 when assembled in the longitudinal groove 140 are inserted from above.
  • the bolts 160 are of course not stronger tightened to the expansion profiles 150 into the To be able to insert longitudinal groove 140.
  • the rounded ones Edges (radius R1) of the longitudinal groove 140 according to FIG. 7 helpful.
  • the construction of the fasteners is similar to that of the second Embodiment, since the threshold 220th overlapping, essentially U-shaped bracket 230 with laterally protruding temple ends 230a via bolts 260 is connected to a pressure rail 258, which is extends within the longitudinal groove 240. However, it is not Spreading profile provided.
  • the longitudinal groove 240 is corresponding for this the first embodiment of FIG. 1 to 3 undercut with inclined groove flanks 246 that follow to run towards each other at the top. To increase the pull-out strength the longitudinal groove 240 from the interior according to Fig. 8 approximately trapezoidal profiled steel rail 242 formed.
  • the support plate 216 carrying the threshold 220 is shown in FIG Embodiment consistently flat. However, there may also be a recess if necessary be provided, as in the embodiment 4 to 7 if necessary, the recess 116a can also fall away.
  • the following exemplary embodiments differ previous essentially by redesigning the Bow shape. So shows the embodiment, according to the 10 and 11 a double bracket arrangement from an upper, relatively low-profile bracket 330 and a lower Brackets 370 that enclose the threshold 320 as a whole.
  • the respective, outwardly angled temple ends 330a or 370a are each via bolt-nut connections 372 connected adjustable.
  • the middle section 370b of the lower bracket 370 serves at the same time as a pressure rail. To this end, it extends at a distance from the bottom 320a of the threshold 320 within the Longitudinal groove 340. It engages in an expansion profile 354, which corresponds in structure and function to the spreading profile 154.
  • the side surfaces 358a are also corresponding of the central portion 370b is inclined upward to flat on the correspondingly inclined inner surfaces 354a of the spreading profile 354.
  • the embodiment according to FIGS. 12 to 14 comes with a single bracket 430, with a side leg 430d of the bracket 430 also serves as a pressure rail. Accordingly, the bracket 430 is on one side of the Threshold 420 open towards the temple ends 430a in turn over correspondingly long bolts 460 together are adjustably connected. According to that in FIG. 15 variant indicated can the pressure rail 430d 'with an expansion profile 454 'interact according to the 10 and 11 illustrated embodiment.
  • the lower temple end 530a serves here as a counter pressure element, on the underside of which the respective Spreading element in the form of a hard rubber washer 576 (FIGS. 16 and 17) or the spreading profile 576 '(FIG. 18) is present.
  • the lower one supporting the lower temple end 530a Side leg 530d is straight throughout and lies on the underside 520a of the threshold 520 flat.
  • the hard rubber washer 576 is again on the groove width adapted and has, for example, a square outline (see Fig. 17, below). It has a central through hole 576a through which a screw bolt 560 is inserted so that the hard rubber washer 576 the top of a corresponding to the hard rubber washer 576 in the outline of the square bolt head 560a of the screw bolt 560 lies. To facilitate assembly and disassembly the bolt 560 in turn penetrates one in FIG. 16 to the left in open slot 578 in the lower end 530a of the bracket 530.
  • the upper end of the bolt 560 is again through a corresponding hole 579 (or slot) at the top End 530a of the bracket 530 inserted and with one Nut 580 provided, which is on the top of the bracket 530 supports.
  • the nut 580 By turning the nut 580 the hard rubber disk 576 in the desired manner be axially compressed so that they can accommodate a desired Force is supported laterally on the groove flanks Generation of a correspondingly high frictional force.
  • the variant according to FIG. 18 uses instead of the hard rubber disc again a double wedge arrangement similar FIG. 11 or FIG. 15, here the spreading profile 576 ' something is turned away.
  • the connecting web 556 is located now at the lower ends of the two side walls 554, which follows directly on the underside of the end 530a of the bracket 530.
  • the wedge action is at the lower end of the bolt 560 'accordingly a screw head 590 with beveled Side surfaces 590a provided according to the Inclination of the inner surfaces of the side walls 554.

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  • Architecture (AREA)
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  • Machines For Laying And Maintaining Railways (AREA)

Claims (31)

  1. Voie de chemin de fer (22) sur une dalle porteuse (16) continue dans la direction longitudinale des rails, caractérisée en ce que la dalle porteuse (16) est pourvue d'au moins une rainure longitudinale (40 ; ... 540) s'étendant parallèlement à la direction longitudinale des rails, et en ce que les traverses (20 ; ... 520) de la voie de chemin de fer sont fixées sur la dalle porteuse grâce à des moyens de fixation démontables, qui sont ancrés dans la rainure longitudinale (40 ; 140 ... 540) , par une liaison détachable, par complémentarité de formes ou par force, avec la rainure longitudinale (40 ; ... 540), de telle sorte qu'il soit possible de régler la voie de chemin de fer, dans la direction longitudinale et dans la direction transversale, avant de serrer les moyens de fixation.
  2. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 1, caractérisée en ce que les traverses (20 ... 520) reposent sur la dalle porteuse avec, de préférence, intercalage d'une couche égalisant les contraintes.
  3. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 2, caractérisée en ce que la couche égalisant les contraintes (24 ; 124) est un matelas de fibres ou un tissu en matière synthétique, de préférence en géo-textile.
  4. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon l'une des revendications précédentes, caractérisée en ce que les moyens de fixation comprennent un étrier (30 ; ... 530) coiffant chaque traverse, dont les deux extrémités sont reliées avec la rainure longitudinale (40 ; ... 540) par des moyens de maintien assurant une transmission de forces.
  5. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon l'une des revendications précédentes, caractérisée en ce que la rainure longitudinale (40 ; 240) est taillée en contre-dépouille, et en ce que les moyens de fixation comprennent des moyens de maintien avec une partie de maintien pénétrant dans la rainure longitudinale (40 ; 240) et s'appuyant sur les flancs de la rainure.
  6. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 5, caractérisée en ce que la partie de maintien est constituée par un écrou adapté à la section transversale de la rainure, par un boulon associé à un écrou (38) adapté à la section transversale de la rainure, ou par un boulon associé à une tête, par exemple à une tête rectangulaire adaptée à la section transversale de la rainure.
  7. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 5 ou 6, caractérisée en ce que la rainure longitudinale (40 ; 240) est constituée par un rail profilé en acier (42) inséré dans la dalle porteuse, présentant un profil en C ou en forme de trapèze.
  8. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 7, caractérisée en ce que le rail profilé en acier (42) est rugueux ou profilé sur sa face extérieure.
  9. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 8, caractérisée en ce que le rail profilé en acier (42) présente des stries sur sa face extérieure.
  10. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon l'une des revendications 1 à 4, caractérisée en ce que la rainure longitudinale (140 ; 340 ; 440, 540) présente des flancs (146 ; 346 ; 446) s'étendant sensiblement parallèlement les uns aux autres, et en ce que les moyens de fixation comprennent des moyens de maintien comportant un élément d'écartement pénétrant dans la rainure longitudinale (140 ; 340 ; 440; 540) et appuyant sur les flancs (146 ; 346 ; 446) de la rainure.
  11. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 10, caractérisée en ce que les flancs (146) de la rainure sont légèrement orientés l'un vers l'autre, en direction du haut, en formant un angle (2 a) de 1 à 10°, de préférence de 2 à 6°, de façon encore préférée de 3 à 5°, le meilleur angle étant d'approximativement 4°.
  12. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 10 ou 11, caractérisée en ce que les flancs (146) de la rainure présentent un profilage s'étendant dans la direction longitudinale de la rainure.
  13. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 12, caractérisée en ce que le profilage de la section transversale de la rainure possède la forme générale d'une ondulation (152) et en ce que l'amplitude (c) de l'ondulation est, de préférence, comprise entre 1 et 3 mm, de façon encore préférée entre 1 et 2 mm, la meilleure valeur étant d'approximativement 1,5 mm.
  14. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon l'une des revendications 10 à 13, caractérisée en ce que l'élément d'écartement est rendu écartable au moyen d'au moins un dispositif bisphénoïde.
  15. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 14, caractérisée en ce que l'élément d'écartement présente une section transversale sensiblement en forme de U, avec des parois latérales (154) reposant sur les flancs (146) de la rainure et avec une barrette de liaison (156), de préférence aux extrémités supérieures des parois latérales (154) , en ce que les surfaces intérieures (154a), orientées l'une vers l'autre, des parois latérales (154), convergent l'une vers l'autre, en direction du haut, et en ce que les moyens de maintien comprennent un élément de pression reposant contre les surfaces intérieures (154a) des parois latérales (154) de l'élément d'écartement, ainsi qu'un élément de serrage saisissant l'élément de pression pour écarter l'élément d'écartement.
  16. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 15, caractérisée en ce que l'élément de pression est constitué par un rail de pression (158) reposant contre les surfaces intérieures de l'élément d'écartement, présentant des surfaces latérales (158a) convergeant l'une vers l'autre en direction du haut, et en ce que le moyen de serrage comprend un boulon fileté (160) servant à régler l'écart entre le rail de pression (158) et la face inférieure (116a) de la traverse (120).
  17. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 15, caractérisée en ce que l'élément de pression est constitué par une tête de boulon fileté (590) ou par un écrou d'un assemblage par vis, avec des surfaces latérales (590a) reposant contre les surfaces intérieures de l'élément d'écartement et convergeant l'une vers l'autre en direction du haut.
  18. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon l'une des revendications 15 à 17, caractérisée en ce que sont prévues, aux extrémités inférieures des parois latérales (154) de l'élément d'écartement, des saillies (162) orientées les unes vers les autres.
  19. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon l'une des revendications 10 à 14, caractérisée en ce que l'élément d'écartement est constitué par une partie de compression susceptible d'être déformée dans toutes les directions, de préférence par une partie en caoutchouc dur (476 ; 576), qui repose contre les flancs (446) de la rainure, contre la face supérieure d'un élément de pression, ainsi que contre la face inférieure (420a) de la traverse (420) ou d'un élément de contre-pression (530a), et en ce qu'est prévu un élément de serrage saisissant l'élément de pression pour comprimer la partie de compression entre l'élément de pression et la traverse et/ou l'élément de contre-pression et pour appuyer, de façon correspondante, la partie de compression sur les flancs (446) de la rainure.
  20. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 19, caractérisée en ce que l'élément de pression est constitué par un rail de pression (branche latérale 430d) dont la largeur correspond à la largeur de la rainure, et en ce que l'élément de serrage comprend un boulon fileté (460) servant à régler l'écart entre le rail de pression et la face inférieure de la traverse (420).
  21. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 19, caractérisée en ce que l'élément de pression est constitué par une tête de boulon fileté (560a) adaptée à la largeur de la rainure ou par un écrou.
  22. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 16 ou 20, caractérisée en ce que les deux extrémités du rail de pression (158 ; 258) sont reliées aux deux extrémités de l'étrier (130 ; 230) coiffant la traverse (120 ; 220), de préférence au moyen d'au moins un assemblage par vis réglable (figure 6 ; figure 9).
  23. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 16 ou 20, caractérisée en ce que le rail de pression est constitué par le tronçon central (370b) d'un étrier (370) sensiblement en forme de U, entourant la traverse (320) par dessous, étrier dont les extrémités (370a) sont reliées aux extrémités (330a) de l'étrier (330) coiffant la traverse (320), de préférence au moyen d'au moins un assemblage par vis réglable (figure 10).
  24. Voie de chemin de fer (22) sur une dalle porteuse (16) continue selon la revendication 16 ou 20, caractérisée en ce que l'étrier (430) sensiblement en forme de U entoure latéralement la traverse (420), en ce qu'une branche latérale (430d) du U que forme l'étrier constitue le rail de pression, et en ce que les extrémités (430a) de l'étrier sont reliées entre elles par un assemblage par vis réglable (figure 12).
  25. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 17 ou 21, caractérisée en ce que l'étrier (530) sensiblement en forme de U entoure la traverse (520) par trois côtés, en ce que l'une des deux branches latérales de la forme en U repose contre la face inférieure de la traverse (520), par une extrémité d'étrier (530a) inférieure faisant ressaut de la traverse, et en ce que l'extrémité d'étrier (530a) est conformée en élément de contre-pression, contre la face inférieure duquel l'élément d'écartement et/ou l'élément de compression repose pour être serré par un écrou de serrage (560 ; 560') reliant entre elles les deux extrémités d'étrier (530a), et portant la tête de boulon fileté (560a ; 590a) et/ou l'écrou.
  26. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon l'une des revendications précédentes, caractérisée en ce que les interstices séparant les traverses sont remplis, au moins partiellement, avec du ballast.
  27. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon l'une des revendications précédentes, caractérisée en ce que les traverses (20 ; ... 520) sont ancrées dans la rainure longitudinale (40 ; ... 540) uniquement au niveau du milieu de leur longueur.
  28. Voie de chemin de fer (22) sur une dalle porteuse (16) continue, selon la revendication 27, caractérisée en ce que les traverses (20 ; 120), dans la zone du milieu de leur longueur, présentent un écartement par rapport à la dalle porteuse (16 ; 116).
  29. Voie de chemin de fer (22) sur une dalle porteuse (16) selon la revendication 28, caractérisée en ce que la dalle porteuse (116) présente, de part et d'autre de la rainure longitudinale (140), un évidement (116a) dont la profondeur est, de préférence, comprise entre 5 et 15 mm, la meilleure valeur étant d'approximativement 10 mm.
  30. Procédé de fabrication d'une superstructure de voie ferrée comportant une voie de chemin de fer sur une dalle porteuse continue, comprenant les étapes suivantes :
    a) fabrication d'une dalle porteuse (16 ; 116) continue dans la direction longitudinale du rail, présentant une rainure longitudinale (40 ; 140) s'étendant parallèlement à la direction longitudinale du rail,
    b) pose des traverses d'une voie ferrée, de préférence d'un châssis de voie, sur la dalle porteuse (16 ; 116), de préférence avec intercalage d'une couche égalisant les contraintes,
    c) montage lâche de moyens de fixation démontables susceptibles d'être ancrés dans la rainure longitudinale (40 ; 140), afin de fixer les traverses (20 ; ... 520) sur la dalle porteuse (16 ; 116),
    d) réglage de la voie ferrée dans la direction longitudinale et transversale,
    e) serrage des moyens de fixation qui constituent une liaison détachable, par complémentarité de formes ou par force, avec la rainure longitudinale (40 ; 140).
  31. Procédé de démontage d'un châssis de voie de la dalle porteuse d'une superstructure de voie ferrée fabriquée selon le procédé de la revendication 30, caractérisé en ce que le châssis de voie est complètement soulevé de la dalle porteuse (16 ; 116), après avoir éventuellement desserré les moyens de fixation.
EP94112925A 1993-08-18 1994-08-18 Voie de chemin de fer sur une dalle porteuse continue Expired - Lifetime EP0640718B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4327817 1993-08-18
DE4327817 1993-08-18
DE4336877A DE4336877A1 (de) 1993-08-18 1993-10-28 Gleisrost auf durchgehender Tragplatte
DE4336877 1993-10-28

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EP0640718A1 EP0640718A1 (fr) 1995-03-01
EP0640718B1 true EP0640718B1 (fr) 1998-06-03

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EP94112925A Expired - Lifetime EP0640718B1 (fr) 1993-08-18 1994-08-18 Voie de chemin de fer sur une dalle porteuse continue

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AT (1) ATE166936T1 (fr)

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Publication number Priority date Publication date Assignee Title
DE19620638C2 (de) * 1996-05-22 1999-05-06 Fritzsch Harald Dr Ing Gleisoberbau
AU2012239860A1 (en) 2011-04-05 2013-05-09 Newstyle Nominees Pty Ltd Rail track sleeper support

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2149082A1 (de) * 1971-10-01 1973-04-05 Siemens Ag Bahnoberbau fuer schienengebundene foerdermittel
DE3710188A1 (de) * 1987-03-27 1988-10-13 Achim Wirth Spannoberbau
DE4239383C2 (de) * 1992-11-24 1996-08-14 Euka Bauelemente Verkaufsgesel Bahnkörper

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ATE166936T1 (de) 1998-06-15
EP0640718A1 (fr) 1995-03-01

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