EP1026320B1 - Method for building a ballastless track - Google Patents

Abstract

In the method, a hydraulically bound support layer (2) is installed on the ground, directly on which is a concrete support layer (12), in which metal supports (5) are completely embedded. On the metal supports, two spaced apart rail locating heads (6) for railway rails (11) are connected and are at least partly concreted into the concrete support layer.

Description

The invention relates to a method for producing a Fixed carriageway for at least one railroad track, especially for high-speed traffic. Railroad track in the context of the invention also means that Switch sections are arranged on the slab track can. The invention further relates to a festival Roadway using the inventive method was produced. - Slab track means in the context of Invention in particular one used in the railway superstructure Concrete pavement. The concrete roadway usually has one endlessly laid concrete slab, the so-called concrete base layer, on. The concrete base layer usually lies on a hydraulically bound base layer that is expediently made of concrete.

Different methods of making a party Roadways are known from the prior art. Out DE 43 24 329 A1, for example, discloses a Gleisjoch with connected sleepers on one load-bearing concrete base layer and apply Pour the trough with in-situ concrete on the concrete base layer Fasten. The composite produced by this process between the individual layers and components or Reinforcement elements leaves with regard to the to be included considerable mechanical stress wish left.

A method is also known from DE 196 53 858 A1, which represents the closest prior art. with a hydraulically bound base layer Concrete trough is applied, which concrete trough longitudinal and Contains cross reinforcements. The concrete trough is designed to accommodate Two-block concrete sleepers are provided. The thresholds will be embedded in the concrete trough using a casting compound. First of all, the bond between the concrete trough and the Subsequent potting compound left something to be desired. There is also a lack of reliable push-resistant Connections between the concrete trough and the casting compound. The result is that according to this known method manufactured slab track for long-term loads unsuitable for high-speed traffic.

In contrast, the invention is the technical problem is based on a process of the type mentioned at the beginning specify with the simple and inexpensive way a very precise assembly of the components and in particular the railroad tracks is possible and with which a feast Roadway is created, the long term all mechanical Can reliably absorb stresses that occur particularly in high-speed traffic. The The invention is further based on the technical problem to specify a corresponding slab track.

The invention teaches to solve this technical problem a method of making a slab track for at least one railroad track with the features of claim 1.

The hydraulically bound base layer preferably consists of Concrete. The surface on which the hydraulically bound Base layer is applied, means the soil or preferably a corresponding embankment or embankment embankment. The subsoil is subsequently called a subgrade designated. According to a preferred embodiment each metal support two connected rail support heads on, the distance between the two rail bearing heads expediently the distance of the to be assembled Corresponds to railroad tracks. - The feature in the claim 1, after which the railroad tracks on the Rail support heads are mounted means expediently the final assembly or final assembly of the Railroad tracks on the rail support heads. How explained in more detail below the metal supports are placed on them or pre-assembled railroad tracks on the hydraulically bound base layer. This first aligning the metal carrier with the on-hook or railroad tracks that are not yet fully finalized corresponds to a rough alignment of the corresponding one Track grating made of metal girders and railroad tracks.

According to a preferred embodiment of the invention in the surface of the hydraulically bound base layer Alignment aids are provided for the metal supports. This Alignment aids function expediently as abutments with a horizontal alignment of the metal supports and are used, for example, as grooves or upstands in the surface of the hydraulically bound base layer realized.

According to a preferred embodiment, which is part of the Invention is of particular importance, at least one Longitudinal reinforcement element in the concrete base layer concreted. It is advisable to do this before Applying the metal carrier at least one lower one Longitudinal reinforcement element on the hydraulically bound Base layer designed. Longitudinal reinforcement means in the context of Invention a reinforcement in the longitudinal direction of the festivals Lane or in the longitudinal direction of the to be interpreted Railway tracks. With longitudinal reinforcement elements it can individual metal bars or metal bar bundles act. It is also within the scope of the invention that Longitudinal reinforcement elements in the form of a coherent prefabricated reinforcement mat with longitudinal reinforcement bars and cross reinforcement bars are used. For example it can be a steel rod mat. If Track grid sections made of metal beams and overlaid Railway tracks are to be aligned expediently a lower longitudinal reinforcement element beforehand appropriate length, preferably a longitudinal reinforcement mat, on the hydraulically bound base layer designed. Preferably, one on the hydraulic bound base layer designed lower longitudinal reinforcement element after aligning the metal support to the Bottom of the metal carrier attached, for example tied or welded.

According to a preferred embodiment of the invention the application of the metal carrier at least an upper one Longitudinal reinforcement element placed on the metal beams. The upper longitudinal reinforcement element or the upper longitudinal reinforcement elements can basically be designed like the lower longitudinal reinforcement elements described above. According to a preferred embodiment, a Reinforcement mat made of interconnected longitudinal reinforcement bars and cross reinforcement bars as the top Longitudinal reinforcement used. At least preferably an upper longitudinal reinforcement element before the final Assembly of the railroad tracks on the metal girders hung up. This is expediently at least an upper one Longitudinal reinforcement element on the top of the metal beam attached, for example tied or welded. An embodiment of the Method according to the invention, in which both with a worked lower as well as with an upper longitudinal reinforcement is and both longitudinal reinforcement elements expediently on the hydraulically bound base layer as well as on the Metal supports are designed. Both are preferred lower longitudinal reinforcement elements as well as the lower Longitudinal reinforcement elements completely in the concrete base layer concreted.

After applying the hydraulically bound base layer and preferably after laying out the lower longitudinal reinforcement on the hydraulically bound base layer the metal beams transverse to the longitudinal direction of the slab track aligned. The railroad tracks are on the Metal supports already placed or pre-assembled. According to a very preferred embodiment of the invention lattice girders are used as metal girders. On Lattice girder expediently has an upper chord and a lower chord, each consisting of at least two Longitudinal bars, preferably made of steel. The longitudinal bars of the upper chord and the lower chord are through Lattice girder brackets connected to each other. The lattice girders can be used as a three-belt carrier or as a four-belt carrier be trained. The lattice girders face across Longitudinal direction expediently a rectangular or a trapezoidal cross-section. Draw lattice girders advantageously by a high mechanical Resistance as well as a relatively low weight and a low material requirement.

According to a further preferred embodiment of the Invention steel profiles are used as metal supports. I-profiles, T-profiles, U-profiles are expedient or angle profiles used as steel profiles. You can the steel profiles are used as individual profiles or at least two steel profiles can be connected by fasteners to steel profile units with high rigidity be combined. The steel profiles can also welded reinforcement elements or perforations on their webs exhibit. As a result, the bond between the steel profiles and the concrete base layer improved become. According to a further embodiment of the invention perforated steel sheets are folded into steel profiles or shaped, for example, as Z, V, G, U, N or M profiles are trained and a relatively high rigidity exhibit.

According to the invention, metal carriers are already attached to it attached rail support heads used. The Rail support heads can be a top view round, elliptical, square or hexagonal Have cross-section. Have proven particularly successful Rail support heads that are rounded in the top view Have cross-sectional shapes. Expediently with Rail support heads made of concrete. Preferably The rail support heads are made of fiber-reinforced, very prefers steel fiber reinforced concrete. After very preferred Embodiment are firmly concreted on the metal support Rail support heads used. In this embodiment becomes a particularly effective monolithic Connection of the rail support heads with the one to be applied Concrete base layer reached. The rail support heads are expediently at least 50% of their amount in the Concrete base layer concreted. Are preferably to the Rail support heads, connection reinforcement elements, preferred hook-shaped connecting reinforcement elements connected, which are concreted into the concrete base layer.

The rail support heads expediently have Reinforcement cutouts to accommodate top and / or lower longitudinal reinforcement elements.

Preferably, the distance between the bottom of the Rail support heads and the hydraulically bound Base layer dimensioned so large that a void-free full-surface bond between the underside of the Rail support heads and the concrete base layer can be set up is. It is expedient to achieve the full area Composite the underside of the rail support heads Center inclined towards the rail support heads.

It will Rail support heads used, on the hydraulic bound base layer facing bottom support feet are arranged. Expediently protrudes from the bottom each rail support head one support foot in the direction the hydraulically bound base layer. The support feet can be made of concrete according to one embodiment. To Another embodiment are the support feet as concreted steel elements formed, which is expedient each have a footplate. These support feet in the form of steel elements with the metal support connected, for example welded. After a lot preferred embodiment of the invention is a Support foot of a rail support head immediately below the rail axis of the railroad track to be applied arranged.

After the completion of the hydraulically bound Base layer and expediently after laying one lower longitudinal reinforcement, the metal beams with the integrated rail support heads on the hydraulic bound base layer, preferably over that on the hydraulically bound base layer lying on the bottom Longitudinal reinforcement, laid out at predetermined intervals and aligned. A rough alignment is expedient the metal support in the horizontal direction and / or vertical direction. After claimed Embodiment of the invention, the metal carrier with the integrated rail support heads with the Railroad tracks pre-assembled to a section of track grating and laid out on the hydraulically bound base layer and aligned. The length of a track grate section is, for example, 10 to 12 m. It is expedient the track grate or track grate section is designed so that it is possible to drive on construction trains. As part of the Invention can the track grate sections instead of Railroad tracks initially also include auxiliary rails or have construction rails that are used by construction trains can be. These auxiliary rails or construction rails can then later replaced by the final railroad tracks become. According to a preferred embodiment of the Invention is based on the rough alignment of the metal carrier or the track grate from an upper longitudinal reinforcement at least one upper longitudinal reinforcement element on the Designed metal supports and conveniently on the Metal straps attached too.

According to one embodiment of the invention, several Metal carrier, at least two metal carriers, to one Carrier element combined. Advantageously, the called metal carrier a firm connection with each other on. In one embodiment, there are two metal supports Combined in a V-shape. When laid out this carrier element are then two rail support heads arranged under a railroad track and a rail support head is under the opposite railroad track arranged. According to another embodiment of the Invention, metal supports become a W-shaped Carrier element combined. According to this embodiment there are three rail support heads of the support element under one railroad track and are two further rail support heads of the support element under the second opposite railroad track arranged. Basically, it is within the scope of the invention that at least two metal supports to form a support element with the Provided that the resulting Carrier element with respect to a railroad track x + 1 Rail support heads and with respect to the second Railroad rail x rail support heads (with x ≥ 1). According to a further embodiment of the invention be at least two metal beams using vertical to the metal beams arranged connecting beams combined a rectangular support element. At this Embodiment are two each railroad track Rail support heads assigned to the support element.

After a rough alignment of the metal beams or the support elements are initially only pre-assembled railroad tracks to the Attached to metal supports. Conveniently, the Railroad tracks with the rail support heads of the Screwed metal carrier.

After the final fastening of the railroad tracks finds a fine alignment of the metal carrier or the Support elements instead. As part of the fine-tuning expediently a horizontal and / or vertical Alignment made. Alignment means in particular Adjustment and / or fixation. After very preferred Embodiment of the invention is with the fine alignment With the help of alignment spindles. Preferably are used for the vertical alignment of the metal supports Vertical spindles used. Are preferred for one horizontal alignment of the metal support horizontal spindles used. Each metal carrier expediently has two Vertical spindles, which are preferably in the rail bearing heads are provided. As a lower support surface for the vertical spindles preferably serve the surface of the hydraulically bound base layer. The vertical spindles enable precise adjustment of the height the metal girder or the height of the two railroad tracks. On the other hand, the vertical spindles allow precise setting of the cross slope of the track. - The Adjustment and fixation of the metal carrier or the Track rust can also be used as an alternative to the alignment spindles with the help of an adjustment and fixing frame. - To preferred embodiment of the invention are within the scope the fine-tuning initially only in certain Metal supports spaced apart finely aligned. For example, at intervals of each 30 m individual metal carrier finely aligned. in the Connection to the fine alignment of the selected Metal beams will then be used between those already in the Target position located metal beams arranged Metal carrier finely aligned. The fine-tuning takes place expediently both in vertical and in horizontal direction instead.

According to a very preferred embodiment of the invention on the longitudinal edges of the hydraulically bound base layer Formwork elements for the concrete base layer attached. To In one embodiment of the invention, the formwork elements after the final fastening of the railroad tracks and before fine-tuning the metal supports to the Longitudinal edges of the hydraulically bound base layer attached. After aligning the formwork elements these preferably in the hydraulically bound Base layer anchored. According to a preferred embodiment of the Invention, the formwork elements serve as supports for Construction tracks or auxiliary tracks by a construction train and / or from a fixing and adjusting device and / or from one Concreting equipment can be driven on. The Formwork elements also preferably meet the Function of a lateral support in the horizontal Align the metal supports.

According to a very preferred embodiment of the Invention is of particular importance as Formwork elements precast, expediently Precast reinforced concrete parts used. Preferably the Precast concrete with the help of anchor elements, for example Anchor rods, firmly in the hydraulically bound Base layer anchored. After the concrete of the concrete base course sufficient green strength is achieved has, the anchor elements are expediently again solved. The surface of the Formwork elements is preferably with profiles provided Furthermore, that of the concrete base layer facing surface of the formwork elements expediently Reinforcement elements, which after concreting the Concrete base layer an effective fastening of the precast concrete part ensure on the concrete base layer.

According to a further preferred embodiment of the Invention is the hydraulically bound base layer for the inclusion of the concrete base layer formed like a trough. It is within the scope of the invention that in the trough walls Reinforcements to reinforce the trough are introduced. In this embodiment according to the invention, the lateral trough walls the function of the formwork elements and furthermore preferably also the function of support elements for alignment measures.

Following the fine-tuning of the The concrete base layer is metal carrier with the stipulation the hydraulically bound base layer concreted that the metal beams are concreted into the concrete base layer become. After this The metal supports and are concreted onto the concrete base layer preferably also the lower and upper longitudinal reinforcement elements integral parts of the concrete base course. The Concrete base layer is expediently in one Operation, i.e. as a single-layer concrete base layer applied the hydraulically bound base layer. To very preferred embodiment of the invention is a fiber reinforced, expediently steel fiber reinforced Concrete base layer made. - Subject of the invention is also a slab track according to claim 9.

The invention is based on the knowledge that a surprisingly stable slab track can be produced that can withstand all mechanical stresses in the long term resists when according to the inventive method is worked. The especially in high speed traffic Considerable forces that occur can function reliably can be derived without being disadvantageous Impairments to the slab track result. The The invention is further based on the finding that a cohesive or monolithic connection of the Concrete of the concrete base layer with the metal beams and the rail support heads integrated therein, and preferably also be achieved with reinforcement elements can and especially because of this composite effect the advantages mentioned above can be achieved. According to the invention, the metal carriers are and preferably also Longitudinal reinforcement elements integral parts of the Concrete base course, with one embodiment in particular has proven itself, in which the concrete base layer also is fiber-reinforced. Furthermore, with the inventive method both a very simple and less complex as well as a very precise alignment and Assembly of the individual components, especially the Metal girders and the railroad tracks, possible. The after celebrations to be produced according to the method of the invention Roadway can in terms of track construction basically known classic work steps getting produced. Continuous is problem-free Production of slab track possible.

Fig. 1

einen Querschnitt durch eine erste Ausführungsform einer nach dem erfindungsgemäßen Verfahren hergestellten Festen Fahrbahn,

Fig. 2

einen vergrößerten Ausschnitt des Gegenstandes der Fig. 1 in einer anderen Ausführungsform,

Fig. 3

den Gegenstand nach Fig. 1 in einer weiteren Ausführungsform,

Fig. 4

eine zusätzliche Ausführungsform des Gegenstandes nach Fig. 1,

Fig. 5

einen Längsschnitt A-A durch eine nach dem erfindungsgemäßen Verfahren hergestellte Feste Fahrbahn,

Fig. 6

eine Ausführungsform des Gegenstandes nach Fig. 1 mit einer seitlichen Gleitschalung,

Fig. 7

einen vergrößerten Ausschnitt des Gegenstandes der Fig. 6,

Fig. 8

eine Ausführungsform des Gegenstandes nach Fig. 1 mit einem Justierrahmen,

Fig. 9

eine Ausführungsform des Gegenstandes nach Fig. 1 mit einer Oberflächenrüttler- und Abziehvorrichtung,

Fig. 10

eine Ausführungsform des Gegenstandes nach Fig. 1 mit rotierenden Flügelglättern,

Fig. 11

eine andere Ausführungsform des Gegenstandes nach Fig. 5,

Fig. 12

den Gegenstand nach Fig. 5 in einer weiteren Ausführungsform,

Fig. 13

Vermessungseinrichtungen zum Vermessen der Metallträger,

Fig. 14

eine Draufsicht auf nach dem erfindungsgemäßen Verfahren ausgerichtete Metallträger bzw. Trägerelemente in einer ersten Ausführungsform,

Fig. 15

eine zweite Ausführungsform des Gegenstandes nach Fig. 14,

Fig. 16

eine dritte Ausführungsform des Gegenstandes nach Fig. 14,

Fig. 17

eine vierte Ausführungsform des Gegenstandes nach Fig. 14,

Fig. 18

eine fünfte Ausführungsform des Gegenstandes nach Fig. 14, und

Fig. 19

eine weitere Ausführungsform des Gegenstandes gemäß Fig. 14.

The invention is explained in more detail below on the basis of a drawing which represents only one exemplary embodiment. In a schematic representation:

Fig. 1

3 shows a cross section through a first embodiment of a slab track produced by the method according to the invention,

Fig. 2

2 shows an enlarged section of the object of FIG. 1 in another embodiment,

Fig. 3

1 in a further embodiment,

Fig. 4

an additional embodiment of the object of FIG. 1,

Fig. 5

3 shows a longitudinal section AA through a slab track produced by the method according to the invention,

Fig. 6

1 shows an embodiment of the object according to FIG. 1 with a lateral sliding formwork,

Fig. 7

6 shows an enlarged section of the object of FIG. 6,

Fig. 8

1 shows an embodiment of the object according to FIG. 1 with an adjusting frame,

Fig. 9

1 an embodiment of the object according to FIG. 1 with a surface vibrating and pulling device,

Fig. 10

1 shows an embodiment of the object according to FIG. 1 with rotating wing blades,

Fig. 11

5 shows another embodiment of the object according to FIG. 5,

Fig. 12

5 in a further embodiment,

Fig. 13

Measuring devices for measuring the metal supports,

Fig. 14

1 shows a top view of metal supports or support elements aligned according to the method according to the invention,

Fig. 15

14 shows a second embodiment of the object according to FIG. 14,

Fig. 16

14 shows a third embodiment of the object according to FIG. 14,

Fig. 17

14 shows a fourth embodiment of the object according to FIG. 14,

Fig. 18

a fifth embodiment of the article of FIG. 14, and

Fig. 19

a further embodiment of the object according to FIG. 14.

In Fig. 1 is one according to the inventive method manufactured solid track for a railway track High speed traffic illustrated. On a flat surface 1, a hydraulically bound base layer 2 is applied Service. Are on the hydraulically bound base layer 2 which in the exemplary embodiment as a lattice girder with an upper chord 3 and lower flange 4 formed metal carrier 5 with their Beam longitudinal axis transverse to the longitudinal direction of the festivals Roadway aligned. The metal carrier 5 have Integrated, preferably concrete-reinforced rail support heads 6 made of concrete. On the hydraulically bound Base layer 2 facing underside 7 of the rail support heads 6 support feet 8 are provided, which in 1 designed as steel profiles are. The recognizable distance in Fig. 1 between the Support feet 8 and the hydraulically bound base layer 2 characterizes the lifting dimension of the metal carrier 5 completed vertical fine alignment. 1 are lower longitudinal reinforcement elements 9 can still be seen, the preferably and in the exemplary embodiment as metal rods are trained. These lower longitudinal reinforcement elements 9 are in the embodiment on the lower flange 4 of the Metal carrier 5 attached, preferably welded. at the embodiment of FIG. 1 are still top Longitudinal reinforcement elements 10 are provided, which in the exemplary embodiment are also designed as metal rods and preferably attached to the top flange 3 of the metal carrier 5 are, are preferably welded. On the Rail support heads 6 are the railroad tracks 11 assembled. Metal supports 5 are expediently provided with pre-assembled railroad tracks 11 as a track grating section delivered and on the hydraulically bound Base layer 2 aligned. - In Fig. 1 is the firm Roadway with concrete base layer 12 already applied shown. It can be seen that the surface of the Concrete base layer 12 in cross section as a roof profile is designed so that a reliable drainage is ensured.

The section shown in FIG. 2 shows one opposite modified the embodiment of FIG. 1 Rail support head 6. The protruding from the bottom 7 Support foot 8 is made of concrete. To the Longitudinal edges 13 of the hydraulically bound base layer 2 are formwork elements 14 for the concrete base layer 12 attached. The formwork element 14 according to FIG. 2 is over schematically shown anchoring elements 15 in the hydraulic base layer 2 anchored. In the embodiment is on the formwork element 14 Transport rail 16 of a transport track for one is not shown transport device and / or a construction and Adjustment rail 17 of a construction and alignment track for one movable adjusting and fixing device arranged. Furthermore, alignment spindles 18, 19 are shown in FIG. 2 recognizable. Horizontal spindles 18 are expediently used of arranged at the ends of the metal carrier 5 Alignment head plates 20 added. The horizontal spindles 18 enable exact horizontal adjustment and / or Fixation of the metal carrier 5. Conveniently and in In the exemplary embodiment, the horizontal spindles 18 are supported thereby on the formwork elements 14. In the Fig. 2 is further recognizable that the rail support heads 6 each have at least one vertical spindle 19 with whose help the metal carrier 5 in the vertical direction, i.e. regarding their height, adjusted and / or fixed can be. Fig. 2 shows the rest of a state in which the lower longitudinal reinforcement elements 9 on the hydraulically bound base layer 2 are designed and have not yet been attached to the metal support 5. The top Longitudinal reinforcement elements 10, however, are already on Metal carrier 5 has been attached. Conveniently and in Embodiment is otherwise between the bottom 7 of the rail support heads 6 and the hydraulic bound base layer 2 with a sufficient distance a realizes that a void-free Concreting the space between rail support heads 6 and hydraulically bound base layer 2 possible is.

In the embodiment of Fig. 3 are only lower Longitudinal reinforcement elements 9 are provided. It is also in the Framework of the invention, only upper longitudinal reinforcement elements 10 to be provided. On the on the formwork elements 14 arranged transport rails 16 is a transport portal 21 movable. On the construction and adjustment rails 17 an adjustment and fixing frame 22 can be moved. The Adjusting and fixing frame 22 has a horizontal movable adjustment and fixation slide 23, with A slide spindle 24 is horizontally adjustable. Fixing pliers 26 are connected to fixing spindles 25, with which the railroad tracks 11 can be detected and with which an exact alignment of the Railroad tracks 11 is possible. Conveniently and in Embodiment are between the support feet 8 and the hydraulically bound base layer 2 and between the alignment head plates 20 and the formwork elements 14 Wedge elements 27 are provided, which after precise alignment introduced with the help of the adjusting and fixing frame 22 be and the fixation of the metal support 5 to Conclusion of the concreting work for the concrete base course 12 guarantee. With the 16 movable transport portal 21 is, for example Track grate section transportable.

4 is hydraulic bound base layer 2, which is preferably made of concrete exists, formed trough-like and with trough walls 28th In this embodiment, the trough walls 28 serve as Formwork elements 14 for the concrete base layer 12. Furthermore, the trough walls 28 can be used as support elements a horizontal adjustment and / or fixation of the Serve metal carrier 5.

Fig. 5 shows a longitudinal section through an inventive Slab track, two as lattice girders trained metal carrier 5 with associated rail support heads 6 are recognizable. The lattice girders point an upper chord 3 and a lower chord 4, each consist of two rods, suitably steel rods. The bars of the upper chord 3 on the one hand and the lower chord 4 on the other hand are connected by lattice girder brackets 29. 5 has the as Lattice girder formed metal carrier 5 a rectangular cross-section. 5 are the lower longitudinal reinforcement elements 9 on the lower chords 4 of the Metal carrier 5 attached. In contrast, there are the upper ones Longitudinal reinforcement elements 10 above the top chord 3 of the Metal support 5. The rail support heads 6 demonstrate preferred embodiment and in the embodiment Housing on that suitably as a steel housing 30 corrugated housing wall 31 is formed. The steel case 30 is originally for receiving a connection reinforcement element 33 provided. When concreting the Rail support head 6 is the steel housing 30 expediently closed so that no concrete can penetrate. In the laid out state, the metal carrier 5 with the integrated rail support heads 6 are the Connection reinforcement elements 33 from the open steel housing 30 has been bent out. This state is in Fig. 5 shown. The connection reinforcement elements 33 preferably have and in the embodiment hook-shaped shape. The connection reinforcement elements 33 contribute to an effective bond between the Rail support heads 6 and the concrete base layer. The promote corrugated housing wall 31 and the bevel 32 a positive contact between the rail support heads 6 and the concrete base layer 12. In FIG. 5 it can also be seen that between the rail support heads 6 upper reinforcement mats Longitudinal reinforcement elements 10 are arranged, which Reinforcement mats have end hooks 34.

6, the concrete base layer 12 with the help of Sliding shuttering elements 35 made, which sliding shuttering elements 35 expediently to a formwork support 36 is connected, which is preferably on the railroad tracks 11 is movable. The horizontal Adjustment and / or fixation of a metal support 5 takes place with the help of one in the middle of the track arranged longitudinal groove 37, which is preferably in the hydraulically bound base layer 2 was introduced. In the longitudinal groove 37 engages a spindle holder 38. A left horizontal spindle 18a and a right horizontal spindle 18b is provided, which Horizontal spindles 18 each on the walls of the Support longitudinal groove 37. A vertical adjustment and / or Fixation is preferred and in the embodiment with Help provided in the rail support heads 6 Vertical spindles 19 performed. Conveniently and in Embodiment are the vertical spindles 19 in the the longitudinal edges 13 facing halves of the rail support heads 6 provided. Support the vertical spindles 19 preferred on the hydraulically bound base layer 2 from.

7 shows a sliding formwork element 35, that is fixed or resilient to the formwork frame support 36 connected. The slipform element 35 has one sloping formwork surface 39 with the upper area a formwork fillet 40 is provided. Based on these Shaping of the slipform element 35 is an early one Basic stability of the concrete of the concrete base course 12 reached.

8 is an adjusting and fixing frame 22 recognizable of a track grate section made of metal girders 5 and railroad tracks 11 brings it into its final position and which is movable on the railroad tracks 11. The Adjusting and fixing frame 22 consists of at least two Frame units, which are preferably located on spindle feet 42 Support on the hydraulically bound base layer 2. On the adjustment and fixing frame 22 is one with the help of Guide carrier spindles 43 horizontally displaceable Guide carrier 44 provided. A vertical adjustment and / or fixation of the track grate section Metal beams 5 and railroad tracks 11 will help of fixing pliers connected to the guide carrier 44 26 performed, which fixation pliers 26 to the Attack railroad tracks 11. Conveniently and in Exemplary embodiment are the fixing pliers 26 over Fixing spindles 25 attached to the guide bracket 44 and the vertical alignment can be done with the help of this Fixing spindles 25 take place. It is also within the Invention that the vertical alignment over the Spindle feet 42 is made. The horizontal Adjustment and / or fixation of the track grate section is preferably carried out via arranged in the longitudinal groove 37 Horizontal spindles 18a, b.

Fig. 9 shows a surface vibrator and puller 45, which on the formwork elements 14 arranged construction and adjustment rails 17 is movable. Appropriately and in the embodiment is on everyone Side of each railroad track 11 with a screed 46 integrated surface vibrators. The concrete surface the concrete base layer 12 is oscillating Movements of the screeds 46 are applied. - In 10 is a on the construction and adjustment rails 17th movable guide frame 47 shown on the rotating trowels 48 are connected. The rotating trowels 48 are preferred on each side each rail 11 arranged.

11 shows a longitudinal section through an embodiment a slab track according to the invention, in which the Metal carrier 5 are designed as steel profiles. On Metal support 5 is here by two U-steel profiles realized the top and bottom tabs 49th are interconnected. The U steel profiles are non-positively concreted into the rail support heads 6. In the exemplary embodiment is between the U steel profiles and preferably below the top tab 49 a transverse reinforcement 50 is provided. Over the metal support 5 are reinforcement recesses 51 for receiving the upper one Longitudinal reinforcement elements 10 are provided, which reinforcement recesses 51 expediently and in the embodiment are funnel-shaped. The reinforcement cutouts 51 ensure a positive fit Compound between rail support heads 6, upper Longitudinal reinforcement elements 10 and concrete base layer 12. - The upper longitudinal reinforcement elements 10 are preferably in the reinforcement recesses 51 of the rail support heads 6 pushed and in the embodiment in the longitudinal direction Solid carriageway joined together in sections and over Connections 52 interconnected. Both Connections 52 can be, for example Threaded socket connections or around welded connections act. On the lower longitudinal reinforcement elements 9 and / or on the upper longitudinal reinforcement elements 10 expediently attached transverse reinforcement elements 53. - The bottom 7 of the rail support heads 6 has in Embodiment of FIG. 11 to the middle of the Rail support heads 6 inclined surfaces. hereby becomes a full-surface and void-free bond between Rail support heads 6 and concrete base layer 12 promoted. Contact surfaces 54 of the rail support heads 6 to the concrete base course are expediently with Provide profiles. This is supposed to perfect bond with the concrete base layer 12 be ensured.

In the exemplary embodiment according to FIG. 12, the metal carriers are 5 as in the embodiment of FIG. 11 as U-steel profiles educated. The rail support heads 6 have Connection reinforcement elements 33, which consist of a Steel housing 30 were bent out. Regarding the Details can be found in the description of FIG. 5 to get expelled. 12 are still upper Longitudinal reinforcement elements 10 can be seen, the end hooks 34 have, which expediently on the hook-shaped Connect connection reinforcement elements 33. The top Longitudinal reinforcement elements 10 can be made using transverse reinforcement 50 can be combined into a mat.

13 shows measuring devices purely schematically for aligning the metal carrier 5 or for aligning a track grate from metal beams 5 and Railroad tracks 11 shown. According to preferred Embodiment of the method according to the invention initially only a few at certain intervals from each other arranged metal carrier 5 aligned. You can for example, the metal carrier 5, which are at intervals of approx. 30 m are arranged. This first aligned Metal beams 5 are subsequently called main beams designated. Only then will the others metal supports 5 arranged between the main supports (hereinafter subcarrier) aligned. - Fig. 13 shows first a measuring device 55, 56 for the Main carrier. This measuring device 55, 56 has a main viewpoint 55 on the expediently movable on the railroad tracks 11 and can be locked. The main viewpoint device 55 is preferably with a surveying instrument or a adjustable laser equipped. The is expediently Main viewpoint of the main viewpoint device 55 already been correctly aligned. The surveying instrument or the laser is then in half track and in one fixed distance to the top of the railroad track arranged. With the surveying instrument or with the Laser can then be the neighboring main point, for example at a distance of approx. 30 m. The neighboring one The main point is in the embodiment of FIG. 13 in place the main target device 56 is arranged. Also the Main target point device 56 is expediently on the Railroad tracks 11 can be moved and locked. The Main target point device 56 is with a not shown Target device equipped, on which the Surveying instrument or the laser of the main viewpoint device 55 is aligned. With the help of the measurement results the main carrier may be at the location of the main target point facility 56 can be precisely aligned. - In Fig. 13 is also a measuring device 57 for the Align those arranged between the main points Intermediate carrier shown. The measuring device 57 preferably has an adjustment and measuring frame. The Measuring device 57 is expediently on the Railroad tracks 11 can be moved and locked. The Adjusting and measuring frame of the measuring device 57 has a receiving device 58 with which the of the Main viewpoint 55 to the main destination 56 directed aiming beam, for example Laser beam that can be detected. With the help of the measurement result can be at the location of the measuring device 57 arranged intermediate beams exactly aligned become. Following this, the surveying device 57 move to the next intermediate beam and here is a corresponding measurement and alignment performed.

14 to 19 show preferred embodiments for the combination of metal supports 5 or support elements 61 to stable track grating sections. - Fig. 14 shows one Track grate section with Y-shaped metal supports 5. A rail support head 6 for the first railroad track 11 is as it were offset between two Rail support heads 6 of the opposite second Railroad track arranged.

Fig. 15 shows A-shaped metal carrier 5, the two Carrier legs 59 connected rail support heads 6 for which have a railroad track 11. In that area of the metal carrier 5, in which the two carrier legs 59 converge, there is a single rail support head 6 for the opposite second railroad track 11. The single rail support head 6 is with respect to the longitudinal direction of the slab track between the two opposite rail support heads 6 arranged. In the area of the two rail support heads 6 for the first rail 11 are the support legs 59 expediently by a connecting carrier element 60 connected with each other. The directly adjacent metal beams 5 are preferably rotated by 180 ° arranged to each other.

16 shows a combination of metal supports 5 W-shaped support elements 61. The first railroad track 11 here are three rail support heads 6 of the carrier element 61 assigned while the opposite second rail track 11 only two rail support heads 6 are assigned. Also in this embodiment are the immediately adjacent support elements 61 rotated by 180 ° to each other. - Fig. 17 shows Carrier elements 61, the combination of two parallel metal beams 5 are formed, which parallel metal support 5 by perpendicular to it Connection carrier elements 60 are connected. in this respect rectangular support elements 61 result. In FIG. 18 is an embodiment with cross-shaped support elements 61, which carrier elements 61 are shown each formed two intersecting metal beams 5 become.

Fig. 19 shows a special embodiment of A-shaped ones Support elements 61 combined metal supports 5. A Metal carrier 5 here consists of two parallel ones Steel profiles 62, which are expediently U-shaped in cross section are trained. The A-shaped support members 61 each have two of a first railroad track assigned rail support heads 6 and one of the opposite rail 11 assigned Rail support head 6. In the embodiment according to 19 are the immediately adjacent A-shaped ones Carrier elements 61 each rotated by 180 ° to one another arranged. This results in an alternating sequence of A-shaped support elements rotated by 180 ° 61. In Fig. 19 are also from the Rail support heads 6 outstanding connection reinforcement elements 33 recognizable. In the embodiment according to 19 each has a steel profile 62 of a metal carrier 5 one over the rail support heads 6 projecting section 63. This protruding Section 63 is suitable for assembly or for the Attachment of lower longitudinal reinforcement elements 9 and / or upper longitudinal reinforcement elements 10. In the Area in which the A-shaped support elements 61 two a rail support 11 associated rail support heads 6 have, the metal carrier 5 and Steel profiles 62 through a connecting support element 60 connected to each other, this also expediently is designed like a steel profile. 19 is furthermore recognizable that the rail support heads in the Top view roundings 64 at the corners or edges having.

Claims (9)

1. A method of producing a fixed trackway for at least one railway track, particularly for high-speed traffic,
   wherein a hydraulically bonded supporting layer is firstly applied to the subsoil,
   wherein metal girders with attached rail support heads are pre-installed with railway rails or auxiliary rails or constructional rails to form track grid sections which are laid on the hydraulically bonded supporting layer and are roughly aligned horizontally and/or vertically,
   wherein after this rough alignment the railway rails are finally mounted on the rail support heads, wherein horizontal and/or vertical fine alignment of the metal girders is carried out after the final mounting of the railway rails,
   and wherein a single concrete supporting layer is then directly concreted on to the hydraulically bonded supporting layer, with the proviso that the finely aligned metal girders are concreted into the concrete supporting layer.
2. A method according to claim 1, wherein at least one longitudinal reinforcing element is concreted into the concrete supporting layer.
3. A method according to either one of claims 1 or 2, wherein lattice beams are used as metal girders.
4. A method according to any one of claims 1 to 3, wherein steel sections are used as metal girders.
5. A method according to any one of claims 1 to 4, wherein rail support heads are employed which are fixedly concreted to the metal girder.
6. A method according to any one of claims 1 to 5, wherein rail support heads are used which have supporting feet disposed on their underside which faces the hydraulically bonded supporting layer.
7. A method according to any one of claims 1 to 6, wherein shuttering elements for the concrete supporting layer are fixed to the longitudinal edges of the hydraulically bonded supporting layer.
8. A method according to any one of claims 1 to 7, wherein at least two metal girders are combined to form a supporting element, which supporting element comprises x + 1 integrated rail support heads which are associated with the first railway track, as well as x integrated rail support heads which are associated with the second railway track (where x ≥ 1).
9. A fixed trackway for at least one railway track, particularly for high-speed traffic, produced by the method according to claim 1, comprising a hydraulically bonded supporting layer (2) which is applied to the subsoil, wherein a concrete supporting layer (12) is directly applied to the hydraulically bonded supporting layer (2), wherein metal girders (5) are completely concreted into the concrete supporting layer (12),
   wherein two spaced-apart rail support heads (6) for railway rails (11), which support heads are concreted, at least in part, into the concrete supporting layer (12), are attached to each of the metal girders (5),
   characterised in that on the underside, which faces the hydraulic supporting layer, of each rail support head (6), a supporting foot (8) which protrudes from the metal girder is attached to the rail support head (6) directly under the rail axis of the railway rail (11) to be installed.

Images