CN101784726A - Concrete sleeper - Google Patents
Concrete sleeper Download PDFInfo
- Publication number
- CN101784726A CN101784726A CN200880017919A CN200880017919A CN101784726A CN 101784726 A CN101784726 A CN 101784726A CN 200880017919 A CN200880017919 A CN 200880017919A CN 200880017919 A CN200880017919 A CN 200880017919A CN 101784726 A CN101784726 A CN 101784726A
- Authority
- CN
- China
- Prior art keywords
- concrete sleeper
- mentioned
- reinforcing bar
- longitudinal rod
- sleeper
- 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
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
Monoblock reinforced concrete sleeper (10) for a solid track having reinforcement (12), wherein the reinforcement is exposed with a section underneath the base or bottom area of the concrete sleeper. In order to be able to predefine the anchoring capability of the concrete sleeper within a desired range and at the same time to ensure that circuit systems are not disrupted by the reinforcement, it is proposed that the reinforcement (12) is a section of a construction steel mesh for an N-sided polygonal column with N > 3 bent section of a construction steel mat, and the exposed section of the reinforcement is the support for longitudinal rods, and that the longitudinal and transverse rods of the construction steel mesh are electrically insulated on the outside.
Description
Technical field
The present invention relates to a kind of monoblock prestressed concrete sleeper that is used for fixing railroad track, be particularly useful for bearing at least two rail fastening bodies, comprise reinforcing bar, it exposes and comprises longitudinal rod and transverse bar by the lengths of rebar perpendicular to the vertical axis extension of monoblock prestressed concrete sleeper below monoblock prestressed concrete sleeper bottom or bottom surface.
Background technology
DE-A-100 04 346 relates to a kind of monoblock prestressed concrete sleeper, and its reinforcing bar has the U-shaped hook that the space is provided with in the vertical, and the free end hook-type ground that it extends below the bottom constitutes, and is used to bear longitudinal rod and transverse bar.
Monoblock prestressed concrete sleeper according to DE-C-197 41 059 has the reinforcing bar of being made up of the hook of space extension on sleeper is vertical.The geometry of hook is corresponding to the rectangle that opens wide.Hook continuous, promptly do not have the intercept that interrupts and below the sleeper bottom surface, extend.Concrete sleeper is used for the position and casts on the spot the concrete the inside exactly and be bearing in leg, and its width is slightly less than the length of the reinforcing bar intercept that extends below sleeper.The outside intercept side leg that extends of supporting can be connected in the vertical upwardly extending crab-bolt of sleeper.
By DE-A-199 63 664 known binarys or two body concrete sleepers.They interconnect by the grid support, can serve as a contrast into the longitudinal carrier at the rail longitudinal extension in the grid support.
Obtain having the fixedly railway track structure of two single sleeper bodies of being made up of concrete by DE-U-200 11 481, single sleeper body has rail fastening body respectively.The reinforcing bar of single sleeper body constitutes by the winding of sealing, and they extend below the sleeper body bottom surface partly.In winding, can serve as a contrast into vertical or horizontal reinforcing bar.In each sleeper body inside winding is connected with the reinforcement rod of welding.
Obtain the binary sleeper that a kind of concrete is made by DE-C-198 16 407.Reinforcing bar is made up of so-called grid support, and they have three longitudinal rods that form the triangular prism seamed edges respectively and are connected their sinuous bar with two.Because bar construction must use different grid supports according to the moment of resistance that will realize, therefore need correspondingly store different reinforcing bars.
Sleeper has the hook and the crab-bolt of extending below the bottom surface in according to the fixedly railroad track of EP-A-0 905 319, makes sleeper be combined to the fixedly the inside of concrete on the spot of railroad track by them.
Also be arranged on the bottom or bottom surface of concrete sleeper according to DE-U-297 03 508 corresponding hooks, they are set up the hook that extends out from fixing railway rail supporting plate, itself is connected with above-mentioned hook.
Make correspondingly according to DE-C-197 41 059 that the hook or the crab-bolt of space are connected with longitudinal rod, longitudinal rod casts in the inside of concrete on the spot of extending in fixing railway rail supporting layer the inside.
Obtain the prestressed reinforced concrete tie of two bodies or many bodies by DE-C-102 30 741, have the reinforcing of being made up of V-arrangement bending grid support, the grid support is extension below the concrete sleeper bottom partly.
According to WO-A-03/104562 coordinate mutually with rubble ballast aggregate circuit bed and have fully at the inner dynamic (dynamical) steel mesh reinforcement that extends of concrete sleeper as reinforcing bar according to embodiment with the concrete sleeper of rotation form processing, wherein shape steel wire into the net is not welded to each other on each net crosspoint, but only on the edge.
DE-A-37 28 304 has described the rail sleeper with reinforcing bar parts, and they are non-conductive or electric insulation.
The requirement regulation of Deutsche Bahn AG, fixedly the structure of railroad track will constitute like this, can use the equipment that is fixed on the signalling technique on rail or the sleeper without restriction.When using the audio frequency DC loop, the position of insulating is set in the fixing reinforcing bar the inside of railroad track for this reason.
In order to check, whether vehicle is positioned on the track, uses DC loop, wherein feed-in audio signal, and wherein rail is as conductor.Vehicle sends signal, it away from point on receive and estimate.
Summary of the invention
The objective of the invention is, improve the monoblock prestressed concrete sleeper of above-mentioned form, not only guarantee carrying reliably between machining location and place to use, and take measures, they guarantee, therefore the current loop system can utilize the signal transmission by rail to realize desired check with enough precision work when being installed in fixedly the railroad track the inside.Especially to improve monoblock prestressed concrete sleeper like this, the feasible demand that except required bearing characteristics, also satisfies on the signalling technique.
In order to achieve this end the present invention's regulation, described reinforcing bar is the N prism that bending is come out from one or more intercepts of steel mesh reinforcement, N＞3, the lengths of rebar that exposes comprises continuous or continuous substantially steel mesh reinforcement transverse bar intercept, lengths of rebar have at least two with the longitudinal rod of the longitudinal rod of the steel mesh reinforcement of intercept welding and steel mesh reinforcement and transverse bar in the outside be electric insulation or have electrically insulating material in the outside.
Especially stipulate, described reinforcing bar is 4 prisms of the trapezoidal shape that bending is come out from one or more intercepts of steel mesh reinforcement, the lengths of rebar that exposes is trapezoidal long basic leg and comprises continuous or continuous substantially steel mesh reinforcement transverse bar intercept, the lengths of rebar that exposes have the welding of at least two and intercept steel mesh reinforcement longitudinal rod and be used for the intercept of transverse bar and the bearing between the bottom is insertable or can be suspended on other longitudinal rod on the intercept from below, the short trapezoidal basic leg that extends in concrete sleeper interrupts on its length, and at least longitudinal rod and transverse bar in the steel mesh reinforcement lengths of rebar that exposes be in the outside electric insulation or be furnished with electrically insulating material.
Realize the prestressed reinforced concrete tie reinforcing bar thus with respect to the fixing electric insulation of railroad track reinforcing bar according to the present invention in simple mode, make the concrete sleeper reinforcing bar longitudinal rod and transverse bar, be that the bar of steel mesh reinforcement has electric insulation.Can make steel mesh reinforcement for this reason, be also referred to as the reinforcing bar pad for example by spraying, flood or in molten channel process, being furnished with desired insulation materials or coating.At this preferred bed thickness is the order of magnitude of 5 μ m to 100 μ m, especially in the scope of 5 μ m to 50 μ m.Electrically insulating material especially will have the unit resistance of 500 μ Ω m to 1500 μ Ω m.
The preferred electrically insulating material that uses epoxy resin-matrix.Can consider the material that other is fit to equally.Therefore steel mesh reinforcement or its longitudinal rod and transverse bar can surround by plastics such as polyamide, polyethylene, Merlon, polyphenyl alkene or polyvinyl chloride.Can use equally by enamel-covered wire known lacquer such as polyester lacquer and polyester imido lacquer.Other example is a unsaturated polyester resin solvent-free, remodeling.
Therefore can not change processing technology ground and use according to steel mesh reinforcement intercept of the present invention, wherein provide required electric insulation from the beginning as reinforcing bar.
Be made up of the intercept of one or more bendings of concrete reinforcement pad according to reinforcing bar of the present invention, the reinforcing bar pad is also referred to as steel mesh reinforcement.Reinforcing bar pad or net are made up of the bar that intersects, and they generally are welded to each other.Have at least two longitudinal rods at this intercept that forms reinforcing bar, they and the intercept welding of transverse bar, transverse bar beyond the sleeper bottom, promptly below extension.Constitute continuously in principle at this corresponding intercept, promptly do not interrupt.But,, do not leave the present invention if intercept disconnects.
Also preferably at least two longitudinal rods extend in concrete sleeper inside.
Described transverse bar is preferably crooked like this, obtains a trapezoidal shape, and wherein extend in concrete sleeper inside the end than the hyphen leg of space.Can realize the convenient location of steel mesh reinforcement or reinforcing bar pad thus, because compressor wire can be passed in the slit that exists between the horizontal leg at interval.The long basic leg of crooked transverse bar is formed for the bearing of that other will be inserted into or the longitudinal rod that will be hung from below.There is possibility thus,, but changes the anchor of sleeper in fixing railroad track, that is, lay with desired reinforcing bar degree realization by additional longitudinal rod that will be inserted into or that hang with identical reinforcing bar processing criterion concrete sleeper.The side leg that exposes intercept of reinforcing bar be parallel to or be basically parallel to the bottom straight line when extending longitudinal rod can also be provided with spaced reciprocally with required scope.
Irrelevant therewith, owing to the reinforcing bar that comes out from an intercept or a plurality of intercept bending of reinforcing bar pad can be realized the processing that cost is favourable.The longitudinal rod that connects transverse bar also guarantees, easily concrete sleeper is transported to the position of wanting the casting concrete sleeper from machining location, does not allow the crooked danger in ground and do not increase the reinforcing bar pad that exposes.Can because especially obtain the cost advantageous method, steel mesh reinforcement or its longitudinal rod or transverse bar be surrounded with electric insulation layer in this processing cost owing to insulation increases by dipping technique or molten channel process.
Guarantee that at this electric insulation the reinforcing bar of concrete sleeper is with respect to the fixedly reinforcing bar insulation of railroad track.Verified by this simple measure, can conducting electrical signals by the rail that is bearing in correspondingly on the reinforced concrete sleeper that constitutes according to the present invention, they do not weaken like this by reinforcing bar, to such an extent as to the decay that leads to errors and estimate.
Be particularly useful for the long sleeper of 170cm length, best 220cm and length at least according to theory of the present invention, they bear two rail fastening bodies.But also can reinforce short monoblock prestressed concrete sleeper according to theory of the present invention, that is, and the sort of sleeper that is used for bearing a rail fastening body and lays and be connected with long sleeper accordingly at track.The short sleeper that bears a rail fastening body has the length of common 80cm to 140cm.
Especially regulation, described N prism has the U-shaped shape in cross section, have the long side leg edge of inside bending, the intercept that wherein horizontal leg preferably extends below the bottom surface of concrete sleeper or bottom.
Also can select to make the edge of described side leg by its inside bending below the bottom surface of concrete sleeper or bottom, to extend and connect by one or more hooks or steel wire.Guarantee that thus the side leg can be controllably crooked when the welding concrete reinforcement.Therefore the steel wire of hook or connection side leg is as the bearing of other longitudinal rod.
Especially can consider trapezoidal shape as the N prism that is used for reinforcing bar, wherein especially preferred in cross section isosceles trapezoidal.The short basic leg of described N prism with trapezoidal shape can be partly away from and extend in that concrete sleeper is inner.Obtain the gap thus, it is easy to thread into compressor wire.Therefore long basic leg extends below the concrete sleeper bottom and along the bottom.
Feature of the present invention is that also described reinforcing bar is made up of two prismatoids that extend that are parallel to each other, and they form the N prism respectively.The intercept that below this long basic leg will be formed on the concrete sleeper bottom, extends.Irrelevant therewith, make the N prism that extends that is parallel to each other in cross section, have isosceles-trapezium-shaped.
Prismatoid is connected by one or more hooks or steel wire beyond concrete sleeper as the N prism, be used to guarantee clear and definite geometrical relationship, it can be owing to the casting concrete sleeper changes.
Stipulate that in improvement project of the present invention connect the long edge formation of the hook cushion ground of prismatic side of N or basic leg by bending, they have other longitudinal rod and are used for fixedly realizing desired reinforcing bar degree inside the railroad track.Disconnect along the concrete sleeper bottom and at the inner preferably short side leg that extends of concrete sleeper in this embodiment, be used to be easy to thread into compressor wire.
Feature of the present invention is that also described reinforcing bar comprises the grid support of at least one zigzag bending, and it has the U-shaped intercept in the inner bending of concrete sleeper, and they are perpendicular to the vertical axis extension of concrete sleeper.
Especially stipulate, make reinforcing bar comprise that two parts of extending along the concrete sleeper side are the grid that V-arrangement extends, they have at the inner U-shaped intercept that extends of concrete sleeper, and grid is connected by the C shape hook that is transverse to the concrete sleeper vertical axis extension, and its horizontal leg that extends below concrete sleeper is the bearing that is used for longitudinal rod.
If the N prism preferably has four seamed edges, they have rectangle or trapezoidal shape in cross section, then also there is this possibility, reinforcing bar is made of hollow cylinder, make the intercept that below the bottom, extends be not parallel to the concrete sleeper bottom surface thus and extend, but be concavity with respect to this bottom surface.
Feature of the present invention also relates to a kind of fixedly railroad track, the track that it is made up of supporting bed, height and position accurately are provided with on supporting bed the monoblock prestressed concrete sleeper by rail and above-mentioned form, and on supporting bed up to given concrete casting above the sleeper bottom level.
Preferably has half height of common concrete sleeper according to monoblock prestressed concrete sleeper of the present invention itself.
Description of drawings
Not only by claim, be subordinated to the feature of claim itself and/or its combination, and describe the preferred embodiment that provides by following accompanying drawing and provide other details of the present invention, advantage and feature.In the accompanying drawing:
Fig. 1 illustrates the sleeper with reinforcing bar with lateral view,
Fig. 2 illustrates sleeper according to Fig. 1 with cross-sectional view,
Fig. 3 illustrates sleeper reinforcing bar according to Fig. 1 and 2 with separated view,
Fig. 4 illustrates second embodiment of sleeper with lateral view,
Fig. 5 illustrates concrete sleeper according to Fig. 4 with cross-sectional view,
Fig. 6 illustrates the reinforcing bar according to the concrete sleeper of Figure 4 and 5,
Fig. 7 illustrates the 3rd embodiment of the concrete sleeper with reinforcing bar with lateral view,
Fig. 8 illustrates concrete sleeper according to Fig. 7 with cross-sectional view,
Fig. 9 illustrates the reinforcing bar according to the concrete sleeper of Fig. 7 and 8,
Figure 10 illustrates the 4th embodiment of the concrete sleeper with reinforcing bar with lateral view,
Figure 11 illustrates concrete sleeper according to Figure 10 with cross-sectional view,
Figure 12 illustrates reinforcing bar according to the concrete sleeper of Figure 10 and 11 with separated view,
Figure 13 illustrates the 5th embodiment of the concrete sleeper with reinforcing bar with lateral view,
Figure 14 illustrates the 6th embodiment of the concrete sleeper with reinforcing bar with lateral view,
Figure 15 illustrates concrete sleeper according to Figure 14 with cross-sectional view,
Figure 16 illustrates concrete sleeper according to Figure 14 with vertical view,
Figure 17 to be being that the reinforcing bar pad is shown clearly,
Figure 18 illustrates case of bending according to the reinforcing bar pad of Figure 16 with sectional view,
Figure 19 illustrates monoblock prestressed concrete sleeper with sectional view,
Figure 20 illustrates the part of concrete steel pad.
The specific embodiment
The monoblock prestressed concrete sleeper that is used for fixing railroad track is shown to pure principle, their positions, turnout that especially is laid in Fig. 1-15 and 19.Preferably long sleeper, they can be installed in the position, turnout.Described concrete sleeper casts on the spot the concrete the inside, and it also is laid on the carrier layer that especially water conservancy connects as layer.In advance on the carrier layer that the water conservancy of expression assembling carrier layer connects position and location, pin-point accuracy ground by concrete sleeper and fixed thereon, but the lattice beam that unshowned in the accompanying drawings rail constitutes arrange.Other longitudinal rod and transverse bar are fixedly also being extended in the railroad track in reinforcing bar next door at concrete sleeper, and they form the fixedly reinforcing bar of railroad track.Corresponding bar is the reinforcing bar of prestressed reinforced concrete tie, according to do not exist conduction to connect according to theory of the present invention; Because the reinforcing bar of prestressed reinforced concrete tie is with respect to fixedly the longitudinal rod and the transverse bar of the reinforcing bar of railroad track insulate.
Monoblock prestressed concrete sleeper especially minimum length is that 170cm, especially length are 220cm or longer long sleeper, places at least two rail fastening bodies thereon.But the present invention also relates to the integrated prestress sleeper of shorter length, they are used for only rail fastening body.The corresponding shorter general length of sleeper is 80cm to 140cm and is connected with a long sleeper in track.
In order advantageously to process the integrated prestress sleeper by cost, as reinforcing bar preferably make the reinforcing bar pad, be also referred to as an intercept of steel mesh reinforcement-also can make its a plurality of intercepts-the bend to post or the basketry of desired shape in case of necessity.Extend below the bottom of prestressed reinforced concrete tie in this lengths of rebar, therefore the intercept that exposes is as the bearing of other longitudinal rod.There is this possibility thus, influences the anchor of sleeper in fixing railroad track, promptly be placed on the concrete that will use with simple measure.Obtain advantage simultaneously, influence the moment of resistance, be used to simplify the operation, promptly be cast to before the layer of concrete the inside, reduce thus to damage and especially prevent the danger of reinforcing bar in its intercept bending of beyond concrete sleeper, extending.
State with not bending in Figure 17 illustrates corresponding reinforcing bar pad 150.This reinforcing bar pad 150 is formed by the longitudinal rod 152,154,156,158 that intersects with the transverse bar of its welding, and two transverse bar example ground wherein are with label symbol 160 and 162 expressions.If make longitudinal rod and transverse bar 152,154,156,158 and 160,162 so mutual settings in the present embodiment, make them form a right angle, then can realize other shape equally.So please refer to common reinforcing bar pad or steel mesh reinforcement and its shape.Equally also be applicable to steel and bar footpath.Therefore make reinforcing bar pad 150 along line 164,166,168,170 is crooked like this, obtains for example trapezoidal shape, as shown in the sectional view of Figure 18.Reinforcing bar with label symbol 172 expressions has the shape of quadrangular accordingly.The reinforcing bar 172 that forms trapezoidal envelope joins the template the inside in the mode of being accustomed to, and is used to process monoblock prestressed concrete sleeper.In this advantage be, at the intercept 163 of the inner leg 161 that extends of the concrete sleeper that will be cast by two spaces, 165 form, and therefore can thread into compressor wire by the gap 167 of such formation, and they extend at basketry or trapezoidal 172 inside in the concrete sleeper of finishing.
With sectional view the monoblock prestressed concrete sleeper 174 that has reinforcing bar accordingly is shown in Figure 19, it is corresponding to the sleeper of Figure 18.Compressor wire 169,171 additionally is shown, and they are surrounded by the basketry among Figure 19 or trapezoidal 172.Irrespectively view shows therewith, and reinforcing bar 172 extends below concrete sleeper 174 bottoms by comprising trapezoidal 172 the intercept 178 than long basic leg 176, is used for the bearing as other longitudinal rod 182,184.Two shown in the drawings, then quantity can be different therewith.Certainly also there is this possibility, do not add other longitudinal rod.Can insert or hang longitudinal rod 182,184, as what represent on Figure 18 principle.
Irrelevant therewith, according to selected reinforcing bar 172 shapes such as trapezoidal can sleeper 174 can the anchor on fixedly the railroad track the inside especially is laid in the concrete that will use by simple mode.But the longitudinal rod 182,184 that adds has also increased the moment of resistance of carrying sleeper 176, and therefore minimizing damages when transportation and especially makes reinforcing bar 172 expose the danger of intercept 178 bendings at it.
As what obtain by reinforcing bar pad part figure according to Figure 20, the layer 186 that the longitudinal rod that is not shown specifically and transverse bar are made by electrically insulating material surrounds, and is used to guarantee that the reinforcing bar 172 of monoblock prestressed concrete sleeper 174 is with respect to the fixedly reinforcing bar electricity isolation of railroad track.Electric insulation can be lacquer, plastics covering or other measure that is fit to, and they guarantee, the longitudinal rod of reinforcing bar 172 and transverse bar are surrounded by electric insulation layer 186 generally.Electrically insulating material is the material of epoxy resin-matrix especially, can not be subjected to its restriction according to theory of the present invention.
The method for optimizing that is used to make reinforcing bar pad 150 be furnished with electric insulation is epoxy resin coating, molten channel process or paint-dipping process.Can adopt coating polyester lacquer or polyester imido to coat with lacquer or surround equally with polyamide, polyethylene, Merlon, polyphenyl alkene or polyvinyl chloride.
The bed thickness of electrically insulating material will be at 5 μ m to 100 μ m, especially 5 μ m to 50 μ m.In addition, preferably making the unit resistance R of electrically insulating material is 500 μ Ω m to 1500 μ Ω m.
Other expansion structure and the embodiment that are used for the monoblock prestressed concrete sleeper reinforcing bar are described below, and wherein each reinforcing bar is the crooked intercept of reinforcing bar pad, as recited above.Certainly, also do not leave the present invention if reinforcing bar is made up of a plurality of intercepts of reinforcing bar pad, they are correspondingly crooked and interconnect.Especially can use metal binding wire for this reason.As mentioned above, can not break away from each reinforcing bar and surround, no longer explain below this point by electrically insulating material.
Monoblock prestressed concrete sleeper 10 with two rail fastening bodies 11,13 is shown to pure principle in Fig. 1 to 2.Prestressed reinforced concrete tie 10 has reinforcing bar 12, and it is made up of the steel mesh reinforcement that bends to unlimited rectangle, has the long edge 14,16 of side leg of inside bending.
Therefore reinforcing bar 12 is by forming at the transverse bar 22,24 of concrete sleeper 10 inner longitudinal rods 18,20 that extend and connection longitudinal rod.Can be of different sizes at this longitudinal rod 18,20 and transverse bar 22,24.Preferably have for example diameter of 16mm at sleeper 10 vertical upwardly extending longitudinal rods 18,20, the transverse bar 22,24 that is transverse to sleeper 10 vertical axis extensions has the diameter of about 6mm.But at this is not requirement forcibly, and transverse bar 22,24 extends in a plane, this plane is perpendicular to the longitudinal axis of sleeper 10, but can with the angle of this planar shaped precedent as 45 ° to＜90 °, as on the principle in conjunction with Figure 13 to 15 explained.
The reinforcing bar pad or the steel mesh reinforcement that form the bending of reinforcing bar 12 open wide below concrete sleeper 10, therefore are formed on the rectangle that does not seal in the cross section.But obtain the U-shaped shape, wherein its 26,28 inside bendings of side leg or bending (edge section 14,16).Therefore edge section 14,16 forms V-arrangement or hook-type with side leg 26,28.Obtain serving as a contrast without a doubt advantage equally by the shape of opening wide into to the template the inside, in template the tensioning compressor wire and in template the casting concrete sleeper.
Described side leg 22,24 connects by other intercept 30 of reinforcing bar pad of bearing the hook function, and wherein intercept 30 has at least two longitudinal rods 32,33 that weld with transverse bar 37, so they are ingredients of reinforcing bar pad intercept.Additionally can insert other longitudinal rod 34,35.Intercept 30 also can be called lengths of rebar.
The intercept 30 of bearing the hook function guarantees that when the casting prestressed reinforced concrete tie side leg 26,28 of reinforcing bar 12 intercepts of crooked grooving can be not crooked.
By inserting or hang the advantage that other longitudinal rod 34,35 obtains is to change the anchor of the sleeper of finishing in desired scope.The moment of resistance of concrete sleeper 10 also changes.
Described longitudinal rod 34,35 can have and identical with the longitudinal rod 32,33 of transverse bar 37 welding regularly size, but the present invention is not limited.
If, also can depart from this quantity adding two additional longitudinal rods 34,35 as bearing and among the embodiment of the intercept that extends below bottom sleeper.
This intercept has the longitudinal rod 36,38 of bending, and they are suspended on the U-shaped intercept the inside of reinforcing bar 12 without a doubt or fix by them, as what provided by Fig. 2.Especially regulation makes longitudinal rod 40,42 bendings of the long edge 36,38 of bending around the reinforcing bar pad, and they extend in the inside, interior turning of the side leg 26,28 that carries out the transition to long side edges 14,16.
The embodiment of Fig. 4 to 6 is different with the embodiment of Fig. 1 to 3, concrete sleeper 44 has the reinforcing bar 46 of cylindricality or part basketry shape, it has the U-shaped shape corresponding to Fig. 1 to 3 in cross section, long side edges 48 with inside bending, 50, but they are monoblock prestressed concrete sleeper 44 inner extensions.Therefore at the bearing of the concrete sleeper 44 outside reinforcing bar that extends 46 horizontal legs 52 as the longitudinal rod 54,56 that will join desired scope the inside.Irrelevant therewith, extend the longitudinal rod 55,57 that welds with horizontal leg 52 from horizontal leg 52.
Obtain as the sectional view by Fig. 2 and 5, reinforcing bar 12,46 surrounds the compressor wire 53,58,60,62 of prestressed reinforced concrete ties 10,44, therefore owing to lack horizontal leg and can realize locating easily and fixing.
In addition, reinforcing bar is observed in the embodiment that is provided by accompanying drawing in the vertical in the inner extension of concrete sleeper, does not pass its end face.The reinforcing bar end face is used for reducing or being suppressed at concrete sleeper forming crackle for example by the grid sealing.
If reinforcing bar 12,46 oblong-shapeds that have sealing or open wide, wherein when the limit of not sealing below concrete sleeper 10, i.e. when extension below its bottom 64, by reinforcing bar pad intercept 30 or other link sealing steel wire with hook function, embodiment concrete sleeper 66 corresponding to Fig. 7 to 9 can have reinforcing bar 68 thus, and it shows the trapezoidal shape that opens wide.In other words, reinforcing bar 68 has trapezoidal shape in cross section, and this reinforcing bar is crooked steel mesh reinforcement equally, has longitudinal rod 70,72 and be transverse to the transverse bar 74,76 that longitudinal rod extends, wherein long basic leg 78 concrete sleeper 66 below, i.e. extension below its bottom 80.Short basic leg 82 is that adding is concrete and interruption, especially as shown in Figure 9.Base leg 78 can be regulated the anchor and the moment of resistance of concrete sleeper 66 corresponding to according to the bearing and the fixed body of theory of the present invention as other longitudinal rod 84,86 by them.Irrelevant therewith, welding longitudinal rod 85,87 on transverse bar 74,76, it is positioned at trapezoidal corner point corresponding to the view of Fig. 9.So longitudinal rod 85,87th, the ingredient of reinforcing bar pad.
If at concrete sleeper 10,44,66 vertically extend reinforcing bar respectively, it can have rectangle or trapezoidal shape, and therefore also there is this possibility in the embodiment corresponding to Figure 10 to 12, adds two reinforcing bars 90 that are parallel to each other and extend in concrete sleeper 88 the insides, 92, they can demonstrate trapezoidal shape in cross section, wherein long basic leg 94,96 concrete sleeper 88 below, i.e. extension below its bottom 99.Preferably interrupt at this basic leg 94,96, promptly do not seal, provide as sectional view by Figure 11 and 12.
Outwardly-bent in order to get rid of reinforcing bar 90,92 when the casting concrete sleeper 88, they are interfixed below by hook 98, steel wire or the parts that play same function at concrete sleeper 88.
Irrelevant therewith, the basic leg 94,96 of the reinforcing bar 90,92 that extends below bottom 99 is formed for the bearing of other longitudinal rod 100,102 corresponding to above-mentioned task.
Described reinforcing bar 12,46,68,90,92 is the steel mesh reinforcement of bending or the intercept of reinforcing bar pad according to the present invention, that is, described longitudinal rod and transverse bar preferably are of different sizes.At this according to embodiment of Fig. 1 to 12 regulation, in Fig. 1 to 9 with label symbol 22,24, the transverse bar tensioning planes of 74,76 expressions, this plane is perpendicular to the vertical axis extension of each monoblock prestressed concrete sleeper 10,44,66,88.
Also there is this possibility in embodiment corresponding to Figure 13, makes steel mesh reinforcement pass through the rectangle diagonal bending that is formed by longitudinal rod and transverse bar in order to form reinforcing bar 105.This point is provided by Figure 13.Therefore concrete sleeper 104 only has the bar 106,108 that favours concrete sleeper 104 vertical axis extensions, and wherein the intercept that extends below concrete sleeper 104 forms the bearing or the fixed body of longitudinal rod 112 equally.
The reinforcing bar 114 of the concrete sleeper 116 that is provided by Figure 14 to 16 is formed by being parallel to V-arrangement grid 134,136 or the grid section that concrete sleeper 116 lateral surfaces 118,119 extend, and they are made up of the side leg 124,126 that produces the V-arrangement shape.Partly below concrete sleeper 116, extend at this side leg 124,126.Crooked mutually in concrete sleeper 116 inner ends (tip) of extending, therefore in lateral view, obtain U-shaped shape (Figure 15).Crooked intercept 128,130 extends along the bearing surface 132 of concrete sleeper 116.Extend along each lateral surface 118,119 at this corresponding grid 134,136.
Corresponding grid 134,136 by hook 138 connections C shape in cross section and that be transverse to the concrete sleeper vertical axis extension, wherein corresponding to extending the longitudinal rod 142,143 of welding from its horizontal leg 140 that below concrete sleeper 116, extends according to theory of the present invention.Corresponding longitudinal rod also can be concrete sleeper 116 inner extensions.Can insert other longitudinal rod in addition.
By forming just as zigzag and along long lateral surface 118,119 the intercepts 128 that extend with the bendings of extending in concrete sleeper 116 inside, 130 grid 134, the transverse bar as hook 138 of the formation C shape of 136 structure and connection grid 134,136 obtains the N prism equally as reinforcing bar 114.
With described reinforcing bar shape it is surrounded with insulation according to the present invention.
Claims (27)
1. monoblock prestressed concrete sleeper (10,44,66,88 that is used for fixing railroad track, 116,174), be particularly useful for bearing two rail fastening bodies (11,13), comprise reinforcing bar (12,46,68,90,92,114,172), it passes through the lengths of rebar (30 perpendicular to the vertical axis extension of monoblock prestressed concrete sleeper, 178) below monoblock prestressed concrete sleeper bottom (64,80,99,180) or bottom surface, expose and comprise longitudinal rod and transverse bar (18,20,22,24,32,33,34,35,40,42,54,55,56,57,70,72,74,76,84,85,86,87,100,102,106,108,112,142,143,152,154,156,158,160,162,182,184), it is characterized in that described reinforcing bar (12,46,48,68,90,92,114,172) be the N prism that bending is come out from one or more intercepts of steel mesh reinforcement (150), N＞3, the lengths of rebar that exposes (30,178) comprises continuous or continuous substantially steel mesh reinforcement transverse bar (22,24,74,76,160,162) intercept, lengths of rebar have at least two longitudinal rods (18,20,32 with the steel mesh reinforcement of intercept welding, 33,40,42,55,57,70,72,85,87,106,108,112,142,143,152,154,156,158) and the longitudinal rod of steel mesh reinforcement and transverse bar in the outside be electric insulation or have electrically insulating material in the outside.
2. concrete sleeper as claimed in claim 1 is characterized in that, described reinforcing bar (12,46,48,90,92,114,172) be 4 prisms of the trapezoidal shape that bending is come out from one or more intercepts of steel mesh reinforcement (150), the lengths of rebar that exposes (30,178) is trapezoidal long basic leg and comprises continuous or continuous substantially steel mesh reinforcement transverse bar (22,24,74,76,160,162) intercept, the lengths of rebar that exposes have at least two longitudinal rods (18,20 with the steel mesh reinforcement of intercept welding, 32,33,40,42,55,57,70,72,85,87,106,108,112,142,143,152,154,156,158) and to be used for the intercept of transverse bar and the bearing between the bottom be insertable or can be suspended on other longitudinal rod (34 on the intercept from below, 35,54,56,84,86,100,102,182,184) the short trapezoidal basic leg that, in concrete sleeper (10), extends in the steel mesh reinforcement lengths of rebar that interruption and longitudinal rod and transverse bar on its length are exposing be in the outside electric insulation or be furnished with electrically insulating material.
3. concrete sleeper as claimed in claim 1 or 2 is characterized in that, at the longitudinal rod and the transverse bar (18,20,22,24,32 of steel mesh reinforcement (150), 33,34,35,40,42,54,55,56,57,70,72,74,76,84,85,86,87,100,102,106,108,112,142,143,152,154,156,158,160,162,182,184) connector between be electric insulation or make by electrically insulating material.
4. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described longitudinal rod and transverse bar (18,20,22,24,32,33,34,35,40,42,54,55,56,57,70,72,74,76,84,85,86,87,100,102,106,108,112,142,143,152,154,156,158,160,162,182,184) or steel mesh reinforcement (150) surround with insullac.
5. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described longitudinal rod and transverse bar (18,20,22,24,32,33,34,35,40,42,54,55,56,57,70,72,74,76,84,85,86,87,100,102,106,108,112,142,143,152,154,156,158,160,162,182,184) or steel mesh reinforcement (150) be furnished with the coating of epoxy resin-matrix.
6. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described electrically insulating material applies with molten channel process.
7. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described electrically insulating material applies with paint-dipping process.
8. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described electrically insulating material is sprayed.
9. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described electrically insulating material has thickness D, wherein 5 μ m≤D≤100 μ m, especially 5 μ m≤D≤50 μ m.
10. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described electrically insulating material has unit resistance R, wherein 500 μ Ω m≤R≤1500 μ Ω m.
11., it is characterized in that described electrically insulating material is polyester lacquer or polyester imido lacquer as each described concrete sleeper in the above-mentioned claim.
12., it is characterized in that described longitudinal rod and transverse bar (18,20,22,24,32 as each described concrete sleeper in the above-mentioned claim, 33,34,35,40,42,54,55,56,57,70,72,74,76,84,85,86,87,100,102,106,108,112,142,143,152,154,156,158,160,162,182,184) or steel mesh reinforcement (150) surround by plastics such as polyamide, polyethylene, Merlon, polyphenyl alkene or polyvinyl chloride and for example wrap.
13., it is characterized in that the described lengths of rebar that exposes (30 as each described concrete sleeper in the above-mentioned claim, 178) be that to be used for the intercept of transverse bar and the bearing between the bottom be insertable or can be suspended on from below on the intercept other, the electric insulation longitudinal rod (34 in circumference or the outside in case of necessity, 35,54,56,84,86,100,102,182,184).
14. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described N prism has the U-shaped shape in cross section, have the side leg edge (48,50) of inside bending.
15., it is characterized in that described cross side leg (52) with N prism of U-shaped shape is reinforcing bar (46) section of extending as each described concrete sleeper in the above-mentioned claim below the bottom surface (30) of concrete sleeper (44).
16. as each described concrete sleeper in the above-mentioned claim, it is characterized in that, described side leg (26 with N prism of U-shaped shape, 28) the long limit (14 by its inside bending, 16) below the bottom surface (64) of concrete sleeper (10), extend and pass through hook (30) connection, it is the bearing that is used for other longitudinal rod (34,35).
17., it is characterized in that described N prism has trapezoidal shape in cross section as each described concrete sleeper in the above-mentioned claim.
18., it is characterized in that described N prism has the shape of isosceles trapezoid as each described concrete sleeper in the above-mentioned claim
19. as each described concrete sleeper in the above-mentioned claim, it is characterized in that, the short basic leg of described N prism with trapezoidal shape at least partly away from
20. as each described concrete sleeper in the above-mentioned claim, it is characterized in that, described long basic leg (78) with N prism of trapezoidal shape is reinforcing bar (68) section of extending below the bottom surface (80) of concrete sleeper (66) and is the bearing that is used for other longitudinal rod (84,86).
21., it is characterized in that described reinforcing bar is by two preferably trapezoidal grid bodies (90,92) compositions that are parallel to each other as each described concrete sleeper in the above-mentioned claim.
22. as each described concrete sleeper in the above-mentioned claim, it is characterized in that the long basic leg of described trapezoidal grid body (90,92) is the intercept that extends below the bottom surface (98) of concrete sleeper (88), be used to bear other longitudinal rod (100,102) of desired quantity.
23., it is characterized in that the prismatoid (90,92) that extends that is parallel to each other connects by hook or steel wire (98) in addition at concrete sleeper (88) as each described concrete sleeper in the above-mentioned claim.
24. as each described concrete sleeper in the above-mentioned claim, it is characterized in that, described reinforcing bar (172) or crooked steel mesh reinforcement (150) are by at concrete sleeper (10,44,66,88) vertical upwardly extending longitudinal rod (152,154,156,158) and be transverse to the transverse bar (160,162) that longitudinal rod extends and form.
25. as each described concrete sleeper in the above-mentioned claim, it is characterized in that described reinforcing bar (105) is the intercept of steel mesh reinforcement, its bending (Figure 13) on the diagonal of the rectangle that forms by longitudinal rod that intersects and transverse bar.
26. as each described concrete sleeper in the above-mentioned claim, it is characterized in that, described reinforcing bar (114) comprises the grid support (120) of at least one zigzag bending, it has the U-shaped intercept (128 in the inner bending of concrete sleeper, 130), they are perpendicular to the vertical axis extension of concrete sleeper (116).
27. as each described concrete sleeper in the above-mentioned claim, it is characterized in that, described reinforcing bar (114) comprises two along concrete sleeper side (118,119) grid (134 of the local v-shaped bending of Yan Shening, 136), they have at inner U-shaped intercept (128,130) that extends of concrete sleeper and described grid and connect by the C shape hook (138) that is transverse to the concrete sleeper vertical axis extension, and its horizontal leg that extends below concrete sleeper is the bearing of longitudinal rod (142).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007025034.9 | 2007-05-29 | ||
| 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 |
|---|---|
| CN101784726A true CN101784726A (en) | 2010-07-21 |
| CN101784726B CN101784726B (en) | 2013-06-19 |
Family
ID=39608192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800179194A Expired - Fee Related CN101784726B (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) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162209A (en) * | 2010-12-31 | 2011-08-24 | 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 |
| 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 |
| CN109457551A (en) * | 2018-12-18 | 2019-03-12 | 中铁第四勘察设计院集团有限公司 | Group frame type connection reinforcing structure and construction method between sleeper block and railway roadbed |
| 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 |
| CN109914163A (en) * | 2019-03-14 | 2019-06-21 | 中铁二院工程集团有限责任公司 | A kind of magnetic of Prefabricated slab type floats composite orbit structure and its construction method |
| CN110366514A (en) * | 2016-12-23 | 2019-10-22 | A·尤尼茨基 | You Niciji transportation system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE102016118711A1 (en) | 2015-10-01 | 2017-04-06 | Technische Universität Dresden | Component with electrically conductive reinforcement |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3728304A1 (en) * | 1987-08-25 | 1989-03-16 | Strabag Bau Ag | Railway sleeper |
| DE29703508U1 (en) | 1997-02-27 | 1997-04-17 | Wayss & Freytag Ag | Slab track, mainly for the switch area |
| DE19741059C1 (en) | 1997-09-18 | 1999-05-06 | Wayss & Freytag Ag | Method for producing solid rail bed |
| DK0905319T3 (en) | 1997-09-18 | 2006-08-28 | Pfleiderer Infrastrukturt Gmbh | A method for producing a fixed carriageway for rail-bound traffic, and a solid carriageway made according to this method |
| DE19816407C1 (en) | 1998-04-11 | 1999-10-28 | Pfleiderer Verkehrstechnik | Concrete sleeper for firm fastening of railway rails |
| DE19848928C2 (en) * | 1998-10-23 | 2003-08-21 | Pfleiderer Infrastrukturt Gmbh | Slab track and method of making it |
| DE10004346C2 (en) | 1999-01-27 | 2001-11-29 | Betonwerk Rethwisch Gmbh | Trouble-free slab track, procedures and sleepers therefor |
| 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 | Zueblin Ag | 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 |
| KR200373349Y1 (en) * | 2004-10-15 | 2005-01-21 | 주식회사 삼성산업 | Reinforcement assembly of RC(Reinforced Concrete) sleeper |
| KR20060033501A (en) * | 2004-10-15 | 2006-04-19 | 주식회사 삼성산업 | Rc (reinforced concrete) sleeper of wharf-type |
| 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 CN CN2008800179194A patent/CN101784726B/en not_active Expired - Fee Related
- 2008-05-16 ES ES08750324T patent/ES2408173T3/en active Active
- 2008-05-16 KR KR1020097027267A patent/KR101595743B1/en not_active IP Right Cessation
- 2008-05-16 DK DK08750324.9T patent/DK2092119T3/en active
- 2008-05-16 WO PCT/EP2008/056032 patent/WO2008145544A1/en active Application Filing
- 2008-05-16 EP EP08750324A patent/EP2092119B1/en not_active Not-in-force
- 2008-05-28 TW TW097119657A patent/TW200912096A/en unknown
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162209A (en) * | 2010-12-31 | 2011-08-24 | 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 |
| 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 |
| 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 |
| CN110366514A (en) * | 2016-12-23 | 2019-10-22 | A·尤尼茨基 | You Niciji transportation system |
| CN110366514B (en) * | 2016-12-23 | 2021-05-07 | A·尤尼茨基 | Unitz-based transportation 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 |
| CN109457551A (en) * | 2018-12-18 | 2019-03-12 | 中铁第四勘察设计院集团有限公司 | Group frame type connection reinforcing structure and construction method between sleeper block and railway roadbed |
| CN109914163A (en) * | 2019-03-14 | 2019-06-21 | 中铁二院工程集团有限责任公司 | A kind of magnetic of Prefabricated slab type floats composite orbit structure and its 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2092119B1 (en) | 2013-02-20 |
| CN101784726B (en) | 2013-06-19 |
| DK2092119T3 (en) | 2013-05-27 |
| ES2408173T3 (en) | 2013-06-18 |
| KR101595743B1 (en) | 2016-02-19 |
| TW200912096A (en) | 2009-03-16 |
| DE102007025034A1 (en) | 2008-12-04 |
| KR20100020490A (en) | 2010-02-22 |
| WO2008145544A1 (en) | 2008-12-04 |
| EP2092119A1 (en) | 2009-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101784726B (en) | Concrete sleeper | |
| US8733560B2 (en) | ULT cable support system | |
| JP2009046821A (en) | Concrete structure for railroad and its reinforcing structure | |
| US8517186B1 (en) | ULT cable support system with saddles | |
| KR20060110725A (en) | Fixed railway for rail vehicle and its manufacturing method | |
| CN209874263U (en) | Floor reinforcing mesh limiting split heads | |
| KR100939921B1 (en) | A concrete tie and its laying method thereof | |
| FI72571B (en) | ARMERINGSMATTA FOER STAOLBETONG. | |
| JP2001214405A (en) | Girder for construction work | |
| EP1033438A1 (en) | Turnout base plate fastening structure | |
| AU2001242370B2 (en) | Linear motor for a linear drive mechanism of a magnet levitation transport system | |
| CN2931634Y (en) | Reinforcing steel bar insulating fixing clip | |
| CN218021273U (en) | Shoulder frame | |
| CN210104546U (en) | Prefabricated pier with lightning protection function | |
| KR100512696B1 (en) | Insulating spacer used in concrete for railroad | |
| KR20170101560A (en) | insulation apparatus for iron reinforcing rods of concrete for railroad | |
| KR101302155B1 (en) | Selfsupport welded wire mesh | |
| KR200410830Y1 (en) | Railroad tie for smooth ground | |
| KR200464104Y1 (en) | Steel reinforcing bar insulator for concrete track | |
| CN219621507U (en) | Spacing boss reinforcing bar positioner of subway damping pad | |
| KR200373349Y1 (en) | Reinforcement assembly of RC(Reinforced Concrete) sleeper | |
| CN215210587U (en) | Assembled bolted connection people's bank of china support | |
| CN211572849U (en) | Movable branch cross arm for iron tower | |
| KR100566179B1 (en) | Prestressed concrete sleeper and the structure of its arrangement | |
| CN210738609U (en) | Tunnel positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20180516 |