EP2092119A1 - Concrete sleeper - Google Patents
Concrete sleeperInfo
- Publication number
- EP2092119A1 EP2092119A1 EP08750324A EP08750324A EP2092119A1 EP 2092119 A1 EP2092119 A1 EP 2092119A1 EP 08750324 A EP08750324 A EP 08750324A EP 08750324 A EP08750324 A EP 08750324A EP 2092119 A1 EP2092119 A1 EP 2092119A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- concrete sleeper
- reinforcement
- longitudinal
- bars
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
- E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
- E01B3/34—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement with pre-tensioned armouring or reinforcement
-
- 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
- E01B1/004—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with prefabricated elements embedded in fresh concrete or asphalt
Definitions
- the invention relates to a Monoblockspannbetonschwelle, in particular for receiving at least two rail fasteners, for a slab track, comprising a reinforcement which is exposed with a transversely extending to the longitudinal axis of the monoblock tension concrete sleeper reinforcement section below the sole or bottom surface of the Monoblockspannbetonschwelle and longitudinal and transverse rods ,
- DE-A-100 04 346 relates to a Monoblockspannbetonschwelle whose reinforcement in the longitudinal direction spaced from each other arranged U-shaped bracket, whose extending below the sole free ends are hook-shaped to receive longitudinal and transverse bars.
- a Monoblockspannbetonschwelle according to DE-C-197 41 059 has a from the longitudinal direction of the threshold spaced apart extending brackets existing reinforcement.
- the geometry of the bracket corresponds to an open rectangle.
- a continuous, so uninterrupted section of the bracket runs below the sill.
- the concrete sleepers are supported for positionally accurate pouring into an in-situ concrete on support feet, the widths of which is slightly less than the extension of below the threshold extending portion of the reinforcement.
- the respective side legs of the section, which extends outside the support, can be connected to running in the longitudinal direction of the threshold anchor bars.
- a bi- or two-block concrete sleeper is known from DE-A-199 63 664.
- the blocks are connected to each other via lattice girders, in which longitudinal members extending in the longitudinal direction of the rail can be inserted.
- a construction of a slab track with two individual blocks consisting of concrete, each having a rail fastening, can be found in DE-U-200 11 481.
- the reinforcement of the individual blocks is formed by closed loops, which extend in sections below the block bottom. In the loops longitudinal or transverse reinforcements can be inserted. Within each block, the loops are connected to welded reinforcing bars.
- a two-block concrete sleeper can also be found in DE-C-198 16 407.
- the reinforcement consists of so-called lattice girders, each with three the edges of a triangular prism forming longitudinal rods and two connecting these meandering snakes. Due to the construction of the reinforcement, different lattice girders must be used depending on the moment of resistance to be achieved, so that a corresponding storage of different reinforcements is required.
- sleepers In a slab track according to EP-A-0 905 319, sleepers have under the sole extending brackets and anchor irons, with which the sleepers are integrated into an in-situ concrete of a slab track.
- Corresponding brackets are also on the soles or bottom surfaces of concrete sleepers according to DE-U-297 03 508 before, which are associated with a support plate of a slab track outgoing bracket, which in turn are connected to the former.
- Bracket or anchor bars are connected to longitudinal bars, which are cast in the running on the support layer of the slab road concrete.
- DE-C-102 30 741 discloses a two- or Mehrblockspannbetonschwelle with a reinforcement consisting of a V-shaped angled lattice girder which extends in sections below the sole of the concrete sleeper.
- a concrete sleeper intended for a ballast bed and manufactured in a rotary mold according to WO-A-03/104562, according to one embodiment as reinforcement, has a dynamic reinforcement mat running completely within the concrete sleeper in which the braiding wires are not welded together at each intersection point of the braid but only on the edges.
- DE-A-37 28 304 describes a railway sleeper with reinforcing elements that are electrically non-conductive or electrically insulated.
- track circuits are used, in which a sound-frequency signal is fed, the rails serve as a conductor.
- the vehicle transmits the signal which is received and evaluated at a remote point.
- the present invention is based on the object, a Monoblockspannbeton- threshold previously mentioned type so that not only a safe handling between the place of manufacture and the use is guaranteed, but also measures are taken to ensure that when installed in A slab track circuit systems operate with sufficient accuracy so that desired checks can be made via signal transmission over the tracks.
- the Monoblockspannbetonschwelle should be developed such that In addition to the required carrier properties the signal requirements is met.
- the invention provides that the reinforcement is an N-square column bent from one or more sections of structural steel mesh with N> 3, that the exposed reinforcement section comprises continuous or essentially continuous sections of the transverse rods of the structural steel mesh, that the reinforcement section at least has two welded to the sections longitudinal bars of the structural steel mat and that the longitudinal and transverse bars of Baustahlgewebes are electrically insulated on the outside or have electrically insulating material on the outside.
- the reinforcement is a 4-square column curved from one or more sections of structural steel mesh in the form of a trapezoid
- the exposed reinforcement section is the longer base section of the trapezoid and comprises continuous or substantially continuous sections of the transverse rods of structural steel mesh
- uncovered reinforcement section has at least two longitudinally welded to the sections longitudinal bars of Baustahlgewebes and supports for insertable between the sections of the transverse bars and the sole or suspendable on the sections further longitudinal bars that the running in the concrete sleeper shorter base portion of the trapezoid over its length is interrupted, and in that at least the longitudinal and transverse bars are electrically insulated on the outside in the exposed reinforcement section of the structural steel fabric or are provided with an electrically insulating material.
- the invention is carried out in a simple manner an electrical insulation of the reinforcement of the prestressed concrete sleeper with respect to the reinforcement of the slab track in that the longitudinal and transverse bars of the concrete sleepers, ie the bars of Baustahlgewebes have electrical insulation.
- the Baustahlgewebe - also called mats - z. B. by spraying, dipping or vortex sintering process with the desired insulating material or coated.
- Layer thicknesses of the order of magnitude of 5 ⁇ m and 100 ⁇ m, in particular in the range between 5 ⁇ m and 50 ⁇ m, should preferably be applied.
- the electrically insulating material should have a resistivity R between 500 ⁇ m and 1500 ⁇ m.
- the electrically insulating material is based on epoxy resin.
- suitable materials are also suitable.
- the reinforcing steel mesh or its longitudinal and transverse bars can be surrounded by plastics such as polyamides, polyethylene, polycarbonate, polystyrene or PVC. From the wire coating known coating known coatings z.
- Polyester and Polyesterimidlacke can also be used. Further examples are solvent-free, modified unsaturated polyester resins.
- the reinforcement consists of one or more bent sections of a welded steel mat, which is also referred to as Baustahlgewebe.
- the structural steel mat or the fabric consists of intersecting rods, which are usually welded together.
- the section forming the reinforcement has at least two longitudinal bars which are welded to the sections of the transverse bars which are outside, d. H. run below the threshold sole.
- the corresponding sections are basically formed continuously, so not interrupted. However, the invention is not abandoned when the section is severed.
- At least two longitudinal bars extend within the concrete sleeper.
- the transverse rods are preferably bent in such a way that a trapezoidal geometry results, wherein the ends of the shorter transverse legs extend at a distance from each other within the concrete sleeper.
- a simple positioning of the reinforcing steel mesh or wire mesh mesh basket is possible because the tensioned tension wires can pass through existing between the spaced transverse legs slot.
- the longer base leg of the curved crossbar forms supports for further insertion or under-hanging longitudinal bars. This makes it possible to produce standard concrete sleepers with the same reinforcement, in which, however, the anchoring ability of the threshold in the slab track is changed by the additionally inserted or attachable longitudinal bars, so can be made to the desired degree of reinforcement.
- longitudinal bars can also be arranged at the required circumference at a distance from each other.
- the electrical insulation ensures that the reinforcement of the concrete sleepers is insulated from the reinforcement of the slab track.
- the teaching of the invention is particularly suitable for long sleepers of lengths of at least 170 cm, preferably lengths of 220 cm and more, which receive two rail fasteners. But even shorter Monoblockspannbetonschwellen can be reinforced according to the teaching according to the Invention, ie those that are designed to hold a rail fastening and in the track with appropriate Long sleepers are connected.
- the rail fastener receiving shorter sleepers have usual lengths between 80 cm and 140 cm.
- the N-cantilever column in cross-section has a U-geometry with inwardly angled longitudinal side leg edges, wherein preferably the transverse leg extending below the bottom surface or the sole of the concrete sleeper section.
- the side legs may run with their edges angled inwardly below the bottom surface or sole of the concrete sleeper and connected via one or more brackets or wires. This ensures that when casting the concrete sleeper, the side legs are not bent uncontrollably.
- the or the strap or the wire connecting the legs then serves as a support for further longitudinal bars.
- the shorter base leg of the N-square pillar having the trapezoidal geometry may be partially removed and run within the concrete sleeper. This results in a gap that facilitates the threading of the tension wires.
- the longer base leg extends below the sole of the concrete sleeper and along it.
- the invention is also distinguished by the fact that the reinforcement consists of two trapezoidal bodies running parallel to one another, each of which forms an N-square column.
- the respective longer base section should form the section extending below the sole of the concrete sleeper.
- the mutually parallel N-square columns should have an isosceles trapezoidal shape on average.
- trapezoidal bodies may be connected as the N-pillars outside the concrete sleeper via one or more stirrups or wires to one another To ensure a clear geometric assignment that is not changed by the casting of the concrete sleeper.
- bracket connecting the side legs or base legs of the N-columns is formed in a mat-like manner with angled longitudinal edges, which have the further longitudinal bars to achieve the desired degree of reinforcement in the slab track.
- the preferably short legs should be broken along the sole of the concrete sleeper and extending within it to facilitate threading of the tension wires.
- the invention is characterized in that the reinforcement comprises at least one zigzag-shaped curved lattice girder with U-shaped sections angled within the concrete sleeper, which run perpendicular to the longitudinal axis of the concrete sleeper.
- the reinforcement comprises two sections along concrete threshold side surfaces extending V-shaped curved grid extending within the concrete threshold U-shaped sections and that the lattice are connected across transverse to the concrete sleeper longitudinal axis C-shaped bracket, extending below the concrete sleeper transverse leg support for the longitudinal bars is.
- the N-square column preferably has four edges that have a rectangular or trapezoidal geometry in section, then there is also the possibility that the reinforcement is designed as a hollow cylindrical body, so that the portion extending below the sole does not extend parallel to the bottom surface of the concrete tie, but to this a concave geometry shows.
- the invention further relates to a slab track consisting of a support layer, a height and positionally arranged on the support layer track rail rails and Monoblockspannbetonschwellen previously described type and a Concrete potting over the base course up to a predetermined height above the bottom of the threshold.
- the monoblock tension concrete sleeper according to the invention itself preferably has half the height of a conventional concrete sleeper.
- 1 is a side view of a threshold with reinforcement
- FIG. 3 shows the reinforcement of the threshold according to FIGS. 1 and 2 in an exploded view
- FIG. 5 shows a cross section through the concrete sleeper of FIG. 4,
- FIGS. 4 and 5 shows the reinforcement of the concrete sleeper according to FIGS. 4 and 5
- FIG. 7 shows a third embodiment of a concrete sleeper with reinforcement in side view
- FIG. 8 shows a cross section through the concrete sleeper of FIG. 7, 9 the reinforcement of the concrete sleeper according to FIGS. 7 and 8,
- FIG. 11 is a cross section through the concrete sleeper of FIG. 10,
- FIG. 13 shows a fifth embodiment of a concrete sleeper with reinforcement in side view
- FIG. 16 is a plan view of the concrete sleeper of FIG. 14,
- FIG. 18 is a sectional view of the structural steel mat according to FIG. 16 in the bent state, FIG.
- Fig. 20 shows a detail of a welded steel mat.
- FIGS. 1-15 and 19 certain monoblock tensioning sleepers are shown purely in principle for a slab track, which are laid in particular in the area of points. These are preferably long sleepers that are in the switch area can be used.
- the concrete sleepers are cast in in-situ concrete, which in turn is applied as a layer on a particular hydraulically bound support layer.
- a support layer consisting of the concrete sleepers and fastened to them, but not shown in the drawings, is placed on the support layer, which forms an assembly support layer, and is positioned precisely in height and height.
- the reinforcement of the concrete sleepers in the slab track further longitudinal and transverse bars or iron, which form the reinforcement of the slab track.
- the corresponding bars or iron touch the reinforcement of the prestressed concrete sleeper, without resulting in an electrically conductive connection due to the teaching of the invention; because the reinforcement of the prestressed concrete sleeper is insulated from the longitudinal and transverse bars or bars of the reinforcement of the slab track.
- the monoblock prestressed concrete sleepers are in particular long sleepers with a minimum length of 170 cm, in particular a length of 220 cm or more, on which at least two rail fasteners are applied.
- the invention also relates to monoblock tension concrete sleepers of shorter lengths intended for rail fastening only.
- Corresponding shorter sleepers usually have lengths between 80 cm and 140 cm and are connected in the track with a long sleeper.
- the Monoblockspannbetonschwellen are inexpensive to produce, as a reinforcement preferably a portion - possibly also several sections - a reinforcing steel mat, which is also referred to as Baustahlgewebe, bent to a column or a basket desired geometry.
- a portion of the reinforcement runs below the sole of the prestressed concrete sleeper, so that the exposed section serves as a support for further longitudinal bars.
- This makes it possible to influence with simple measures the anchoring ability of the threshold in the slab track, so turn off on the concrete used.
- the moment of resistance is influenced in order to simplify handling, ie before pouring into the concrete layer, so that the risk of Damage and in particular the bending of the reinforcement is minimized in their running outside the concrete threshold section.
- a corresponding structural steel mat 150 is shown in the non-bent state.
- the reinforcing steel mat 150 consists of intersecting longitudinal bars 152, 154, 156, 158 and transverse bars welded thereto, two of which are identified by the reference numerals 160 and 162 by way of example. If, in the exemplary embodiment, the longitudinal and transverse rods 152, 154, 156, 158 or 160, 162 are arranged relative to one another in such a way that they describe a right angle, other geometries are also possible. In that regard, reference is made to conventional structural steel mesh or Baustahlgewebe and their geometries. The same applies to the steel and the bar diameter.
- the steel mesh 150 is then bent along the lines 164, 166, 168, 170 such that z. B. results in a trapezoidal geometry, as the sectional view of FIG. 18 illustrates.
- the corresponding reinforcement designated by the reference numeral 172 has a geometry of a square column.
- the reinforcement 172 which forms the envelope of a trapezoid, is then placed in a conventional manner in a formwork for the production of a monoblock tension concrete sleeper.
- the leg 161 extending within the concrete sleeper to be cast consists of two mutually spaced sections 163, 165, so that the tensioning wires can be threaded through the gap 167 thus formed in the finished concrete sleeper within the basket or trapezoid 172 run.
- a corresponding monoblock tension concrete sleeper 174 is shown with a reinforcement in section, which corresponds to that of FIG.
- tension wires 169, 171 surrounded by the basket or trapezoid 172 in FIG. 19 are drawn.
- the illustrations illustrate that the reinforcement 172 extends below the sole of the concrete sleeper 174 with a portion 178 comprising the longer base leg 176 of the trapezoid 172 to serve as a support for further longitudinal bars 182, 184. If two are shown in the drawing, the number may differ. Of course, there is also the possibility that no further longitudinal rod is introduced.
- the longitudinal bars 182, 184 can be inserted or suspended, as illustrated in principle in FIG. 18.
- the anchoring ability of the threshold 174 in a slab track can be easily adapted, in particular, to the concrete being used.
- the additional longitudinal bars 182, 184 also increase the resistance moment of the threshold 176 for handling thereof, thus avoiding the risk of damage, and in particular bending, of the reinforcement 172 in its exposed portion 178 during transport.
- the unspecified longitudinal and transverse bars are surrounded by a layer 186 of electrically insulating material to electrical separation between the reinforcement 172 of Monoblockspannbetonsch shaft 174 against the reinforcement of the festivals Ensure roadway.
- the electrical insulation can be a varnish, a plastic coating or other suitable measures which ensure that the longitudinal and transverse bars of the reinforcement 172 are surrounded by an electrically insulating layer 186 as a whole.
- the electrically insulating material is one based on epoxy resin, without this being intended to limit the teaching according to the invention.
- Preferred methods of providing the structural steel mat 150 with electrical insulation are epoxy resin coatings, fluidized bed processes, or dip coating techniques.
- An application of polyester and Polyesteramidlacken or wrapping with polyamides, polyethylene, polycarbonate, polystyrene or PVC are also mentioned.
- the layer thickness of the electrically insulating material should be in the range between 5 .mu.m and 100 .mu.m, in particular in the range between 5 .mu.m and 50 .mu.m.
- the electrically insulating material should have a resistivity R of 500 ⁇ m ⁇ R ⁇ 1500 ⁇ m.
- the respective reinforcement is a bent section of a structural steel mat, as previously explained.
- the invention is not abandoned when the reinforcement consists of several sections of a steel mesh mat, which are bent and then connected together.
- a barbed wire can be used. Detached from this, the respective reinforcement is surrounded by an electrically insulating material, as has been explained before, without being mentioned below.
- Fig. 1 to 2 is a Monoblockspannbetonsch shaft 10 with two rail fasteners 11, 13 shown purely in principle.
- the prestressed concrete sleeper 10 has a reinforcement 12, which consists of a bent to an open rectangle construction steel fabric with inwardly angled side leg longitudinal edges 14, 16.
- the reinforcement 12 is consequently composed of longitudinal bars 18, 20 running within the concrete sleeper 10 and these connecting transverse bars 22, 24.
- the longitudinal bars 18, 20 and the transverse bars 22, 24 can be dimensioned differently.
- the longitudinal bars 18, 20 extending in the longitudinal direction of the threshold 10, a diameter of, for example, 16 mm and transverse to the longitudinal axis of the threshold 10 transverse bars 22, 24, a diameter of about 6 mm.
- the transverse rods 22, 24 extend in a plane which extends perpendicular to the longitudinal axis of the threshold 10, but to this can describe an angle of for example 45 ° to ⁇ 90 °, as this in principle in connection with Figs. 13 to 15 will be explained.
- the reinforcing 12 forming bent structural steel mat or Baustahlgewebe is open below the concrete sleeper 10, thus forming no closed in section rectangle. Rather, there is a U-geometry, wherein the side legs 26, 28 angled or bent inward (edge portions 14, 16). The edge portions 14, 16 thus form with the side legs 26, 28 a V or hook geometry.
- the open geometry also gives the advantage of a problematic Loosely inserting into a formwork in which guy wires are stretched and in which the concrete sleeper is poured.
- the side legs 22, 24 are connected via a function of a bracket performing another portion 30 of a structural steel mat, wherein the portion 30 has at least two longitudinal bars 32, 33 welded with transverse bars 37, which are thus part of the section of the structural steel mat.
- further longitudinal bars 34, 35 can be inserted.
- the section 30 may also be referred to as a reinforcement section.
- the longitudinal bars 34, 35 may have a dimensioning, such as the longitudinal bars 32, 33 welded firmly to the transverse bars 37, without, however, limiting the invention.
- the section has angled longitudinal edges 36, 38, which can be easily suspended in the U-shaped portion of the reinforcement 12 and secured thereto, as is apparent from Fig. 2.
- the angled longitudinal edges 36, 38 are bent around longitudinal bars 40, 42 of the structural steel mat, in the inner corners of the longitudinal side edges 14, 16 passing side legs 26, 28 extend.
- FIGS. 4 to 6 differs from that of FIGS. 1 to 3 in that a concrete sleeper 44 has a columnar or part basket-like reinforcement 46, which according to FIGS. 1 to 3 in section a U-geometry with after inside angled longitudinal side edges 48, 50, which, however, extend within the Mooblock prestressed concrete threshold 44.
- the thus extending outside the concrete sleeper 44 transverse leg 52 of the reinforcement 46 then serves as a support for the desired extent to be introduced longitudinal rods 54, 56. Independently of this go from the transverse leg 52 longitudinal rods 55, 57, which are welded to the transverse leg 52.
- the reinforcement extends in the drawing to be taken embodiments in the longitudinal direction considered within the concrete threshold, does not penetrate the end faces.
- the end faces of the reinforcement can be closed, for example, with a grid, in order to reduce or prevent cracking in the concrete sleeper.
- a concrete sleeper 66 may have a reinforcement 68, which shows an open trapezoid geometry.
- the reinforcement 68 which is also a bent reinforcing steel fabric with longitudinal bars 70, 72 and transversal transverse to this running.
- Ben 74, 76 is, on average, a trapezoidal geometry, with longer base leg 78 below the concrete sleeper 66, ie below the sole 80 runs.
- the shorter base leg 82 is embedded in concrete and interrupted, as illustrated in particular in FIG. 9.
- the base leg 78 is used according to the teaching according to the Invention as support and attachment for further longitudinal bars 84, 86, via which the anchoring ability and the moment of resistance of the concrete sleeper 66 is adjustable.
- longitudinal bars 85, 87 are welded to the transverse rods 74, 76, which, as shown in FIG. 9, is located in the vertices of the trapezoid.
- the longitudinal rods 85, 87 are therefore part of the structural steel mat.
- Runs in the longitudinal direction of the concrete sleepers 10, 44, 66 each have a reinforcement, which may have a cuboid or trapezoidal shape, it is according to the embodiment of FIGS. 10 to 12, the possibility in a concrete sleeper 88 two mutually parallel reinforcements 90, 92nd introduce, which can show a trapezoidal geometry in section, with longer base legs 94, 96 below the concrete sleeper 88, ie under the sole 99 runs.
- the base leg 94, 96 is preferably interrupted, that is not closed, as is apparent from the sectional views of FIGS. 11 and 12.
- the reinforcements 90, 92 are bent outwards, they can be fixed to each other below the concrete sleeper 88 via a bracket 98, a wire or a similar element.
- the base legs 94, 96 of the reinforcement 90, 92 which extend below the sole 99 form supports for further longitudinal bars 100, 102 in accordance with the previously described task.
- the reinforcements 12, 46, 68, 90, 92 are fiction, according to sections bent Baustahlgewebe or mats, so have the illustrated longitudinal and transverse bars preferably different dimensions. It is provided according to the embodiment of FIGS. 1 to 12, that the transverse rods, the example in FIGS. 1 to 9 are denoted by the reference numerals 22, 24, 74, 76, define planes which extend perpendicular to the longitudinal axis of the respective monoblock stress-concrete sleeper 10, 44, 66, 88.
- a concrete sleeper 104 has only bars 106, 108 running obliquely to the longitudinal axis of the concrete sleeper 104, with a section 110 extending below the concrete sleeper 104 likewise forming supports or fastening of longitudinal bars 112.
- Reinforcement 114 of a concrete sleeper 116 to be taken from FIGS. 14 to 16 consists of V-shaped grids 134, 136 or grid sections running parallel to the outer side surfaces 118, 119 of the concrete sleeper 116, which legs 124, 126 produce a V geometry.
- the legs 124, 126 extend in sections below the concrete sleeper 116.
- the inside of the concrete sleeper 116 extending ends (tips) are bent towards each other, so that in side view results in a U-shape (Fig. 15).
- the bent portions 128, 130 extend along the support surface 132 of the concrete sleeper 116. In this case, a corresponding grid 134, 136 along each side outer surface 118, 119 extend.
- the corresponding grating 134, 136 are connected via in section C-shaped and extending transversely to the concrete sleeper longitudinal axis bracket 138, wherein from their below the concrete sleeper 116 extending transverse legs 140 welded longitudinal bars 142, 143 emanate according to the teaching according to the Invention.
- Corresponding longitudinal bars can also run within the concrete sleeper 116. Furthermore, further longitudinal bars can be inserted.
- this invention is surrounded with insulation.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007025034A DE102007025034A1 (en) | 2007-05-29 | 2007-05-29 | concrete sleeper |
PCT/EP2008/056032 WO2008145544A1 (en) | 2007-05-29 | 2008-05-16 | Concrete sleeper |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2092119A1 true EP2092119A1 (en) | 2009-08-26 |
EP2092119B1 EP2092119B1 (en) | 2013-02-20 |
Family
ID=39608192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08750324A Not-in-force EP2092119B1 (en) | 2007-05-29 | 2008-05-16 | Concrete sleeper |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2092119B1 (en) |
KR (1) | KR101595743B1 (en) |
CN (1) | CN101784726B (en) |
DE (1) | DE102007025034A1 (en) |
DK (1) | DK2092119T3 (en) |
ES (1) | ES2408173T3 (en) |
TW (1) | TW200912096A (en) |
WO (1) | WO2008145544A1 (en) |
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CN102162209B (en) * | 2010-12-31 | 2012-09-05 | 北京中铁房山桥梁有限公司 | High-speed turnout switch tie for speed of 350km per hour and manufacturing method thereof |
CN102277799A (en) * | 2011-05-04 | 2011-12-14 | 中铁第四勘察设计院集团有限公司 | Steel bar welded wire mesh concrete sleeper |
CN103147366B (en) * | 2011-12-06 | 2015-02-11 | 乐昌市安捷铁路轨枕有限公司 | Environment-friendly type high-performance prestress concrete subway sleeper |
CN103147367A (en) * | 2013-03-29 | 2013-06-12 | 无锡恒畅铁路轨枕有限公司 | Concrete sleeper |
CN104532691A (en) * | 2014-12-17 | 2015-04-22 | 中铁第一勘察设计院集团有限公司 | Ballastless track connected-block sleeper |
DE102016118711A1 (en) | 2015-10-01 | 2017-04-06 | Technische Universität Dresden | Component with electrically conductive reinforcement |
EA031917B1 (en) * | 2016-12-23 | 2019-03-29 | Анатолий Эдуардович Юницкий | Unitsky's transport system |
CN109457549A (en) * | 2018-12-17 | 2019-03-12 | 中铁第四勘察设计院集团有限公司 | Frame-type connection reinforcing structure between the concrete filled steel tube and sleeper block of non-fragment orbit |
CN109457551B (en) * | 2018-12-18 | 2024-06-21 | 中铁第四勘察设计院集团有限公司 | Combined frame type connection reinforcing structure between sleeper block and ballast bed and construction method |
CN109914163B (en) * | 2019-03-14 | 2024-01-05 | 中铁二院工程集团有限责任公司 | Prefabricated plate type magnetic levitation composite track structure and construction method thereof |
CN111560797A (en) * | 2020-04-29 | 2020-08-21 | 中铁二院工程集团有限责任公司 | Ballastless track sleeper and track bed beneficial to adjustment |
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DE19963664A1 (en) | 1999-12-29 | 2001-07-26 | Pfleiderer Infrastrukturt Gmbh | Twin block concrete sleeper has reinforcements which protrude partially from it, additional concrete blocks being cast around protruding sections before sleeper is anchored in place by embedding in concrete |
DE20011481U1 (en) | 2000-06-30 | 2000-09-21 | Ed. Züblin AG, 70567 Stuttgart | Construction of a fixed carriageway from two individual blocks and reinforcements that link the individual blocks |
WO2003104562A1 (en) | 2002-06-01 | 2003-12-18 | RWP Gesellschaft für Baustellenautomatisierung mbH | Precast concrete part and method |
JP3839029B2 (en) * | 2004-06-04 | 2006-11-01 | 東海旅客鉄道株式会社 | Concrete sleepers |
KR20060033501A (en) * | 2004-10-15 | 2006-04-19 | 주식회사 삼성산업 | Rc (reinforced concrete) sleeper of wharf-type |
KR200373349Y1 (en) * | 2004-10-15 | 2005-01-21 | 주식회사 삼성산업 | Reinforcement assembly of RC(Reinforced Concrete) sleeper |
KR200390690Y1 (en) * | 2005-04-22 | 2005-07-22 | 주식회사 삼성콘크리트 | An iron frame structure of a concrete ballast track |
CN2816106Y (en) * | 2005-08-15 | 2006-09-13 | 中铁二十三局集团有限公司 | Slagfree resonance type insulation-less track |
DE202006001935U1 (en) * | 2006-02-06 | 2006-04-06 | Eichholz Gmbh & Co. Kg | Monoblock railroad tie for railbound vehicles has middle constricted body with narrower width compared to end bodies and longitudinal tie core rods set in middle body, in which lower surfaces of middle body are aligned with end bodies |
-
2007
- 2007-05-29 DE DE102007025034A patent/DE102007025034A1/en not_active Withdrawn
-
2008
- 2008-05-16 EP EP08750324A patent/EP2092119B1/en not_active Not-in-force
- 2008-05-16 WO PCT/EP2008/056032 patent/WO2008145544A1/en active Application Filing
- 2008-05-16 KR KR1020097027267A patent/KR101595743B1/en not_active IP Right Cessation
- 2008-05-16 CN CN2008800179194A patent/CN101784726B/en not_active Expired - Fee Related
- 2008-05-16 DK DK08750324.9T patent/DK2092119T3/en active
- 2008-05-16 ES ES08750324T patent/ES2408173T3/en active Active
- 2008-05-28 TW TW097119657A patent/TW200912096A/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2008145544A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR101595743B1 (en) | 2016-02-19 |
WO2008145544A1 (en) | 2008-12-04 |
DE102007025034A1 (en) | 2008-12-04 |
KR20100020490A (en) | 2010-02-22 |
CN101784726B (en) | 2013-06-19 |
ES2408173T3 (en) | 2013-06-18 |
CN101784726A (en) | 2010-07-21 |
TW200912096A (en) | 2009-03-16 |
DK2092119T3 (en) | 2013-05-27 |
EP2092119B1 (en) | 2013-02-20 |
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