CN202323563U - Post-tensioned prestressed rail composite plate - Google Patents
Post-tensioned prestressed rail composite plate Download PDFInfo
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- CN202323563U CN202323563U CN 201120433301 CN201120433301U CN202323563U CN 202323563 U CN202323563 U CN 202323563U CN 201120433301 CN201120433301 CN 201120433301 CN 201120433301 U CN201120433301 U CN 201120433301U CN 202323563 U CN202323563 U CN 202323563U
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- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 239000011376 self-consolidating concrete Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 117
- 230000002787 reinforcement Effects 0.000 claims description 27
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 15
- 239000010959 steel Substances 0.000 abstract description 15
- 239000010426 asphalt Substances 0.000 abstract description 6
- 239000004568 cement Substances 0.000 abstract description 6
- 239000004570 mortar (masonry) Substances 0.000 abstract description 6
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model discloses a post-tensioned prestressed rail composite plate. The post-tensioned prestressed rail composite plate comprises a rail plate body, wherein grooves are formed in the longitudinal end part of the rail plate body; the grooves at two ends of the plate body are symmetrically arranged about the transverse central line of the plate body; post-tensioned longitudinal prestressed steel bars and post-tensioned transverse prestressed steel bars are arranged in the plate body; the end parts of the post-tensioned transverse prestressed steel bars are anchored in transverse anchor holes at the transverse end parts of the plate body; the post-tensioned transverse prestressed steel bars are symmetrically arranged relative to the transverse central line of the plate body; at least two rows of skeleton connecting steel bars are embedded in the bottom surface of the rail plate body along the longitudinal direction; the lower ends of the skeleton connecting steel bars are exposed out of the rail plate body; the lower end of the plate body is tightly connected with a self-compacting concrete layer through the skeleton connecting steel bars; and the cement asphalt mortar injection procedure is canceled in a ballastless track paving process, so that the rail plate is simple in mounting process and high in controllability.
Description
Technical field
The utility model relates to a kind of track plate that non-fragment orbit rail and fastener system thereof are installed, and especially relates to the novel track composite plate of using on a kind of non-fragment orbit.
Background technology
At present in the non-fragment orbit laying process; When the track plate is installed; Be to be packed layer between the supporting bed between track plate and the roadbed with the cement asphalt mortar; Make the globality of non-fragment orbit structure relatively poor, the structure flexing resistance is relatively poor, and the cement asphalt mortar instillation process is comparatively complicated, the construction precision that makes the track plate install is difficult to control.
The utility model content
The purpose of the utility model provides a kind of posttension type pre-stress rail composite plate; Cement asphalt mortar perfusion operation before said posttension type pre-stress rail composite plate can replace in the track plate mounting process; Make that track plate mounting process is simple, controllability is strong, and the non-fragment orbit structural entity good stress performance after installing.
The technical scheme of the utility model is: a kind of posttension type pre-stress rail composite plate; Comprise track plate plate body; Said track plate plate body longitudinal end is provided with groove; The groove at said plate body two ends is symmetrical set about the cross central line of plate body; Be provided with posttension longitudinal prestressing reinforcing bar and posttension transverse prestressed reinforcing steel bar in the said plate body, the external surface of said posttension longitudinal prestressing reinforcing bar and posttension transverse prestressed reinforcing steel bar is equipped with integument, and the end anchorage of said posttension longitudinal prestressing reinforcing bar is in vertical anchor recess hole of plate body longitudinal end; Said posttension longitudinal prestressing reinforcing bar is symmetrical set with respect to the plate body longitudinal centre line; The end anchorage of said posttension transverse prestressed reinforcing steel bar is in the horizontal anchor recess hole of plate body lateral ends, and said posttension transverse prestressed reinforcing steel bar is symmetrical set with respect to the plate body cross central line, and said track plate plate body bottom surface is embedded with at least two sparerib shelf connecting reinforcements along the longitudinal direction; Said skeleton connecting reinforcement lower end is exposed to outside the track plate plate body, and said plate body lower end closely is connected with the self-compacting concrete layer through the skeleton connecting reinforcement.
As preferably, it is outward that the track plate forms composite plate structure with the self-compacting concrete layer for the ease of combining closely between track construction process middle orbit plate and the self-compacting concrete layer below it that said skeleton connecting reinforcement lower end is exposed to track plate plate body.The skeleton connecting reinforcement is not only linkage and the skeleton between track plate and the self-compacting concrete layer, also is the connection skeleton of reinforcing bar in the self-compacting concrete layer.
As preferably, when the groove number of said plate body end was one, said groove was located at the middle part of plate body longitudinal terminal surface; When the groove number of said plate body end was two, said two grooves were symmetrical set with respect to the plate body longitudinal centre line.This structure makes that the plate body performance is consistent longitudinally on the track plate.
As preferably, the support rail position respectively is provided with a row above the said track plate plate body has the shoulder block cushion cap, and said two rows have the shoulder block cushion cap to be symmetrical set about the plate body longitudinal centre line.Said have the shoulder block cushion cap to be used for installing rail and fastener system thereof, and this symmetrical structure helps the application life of plate body and the security of operation of locomotive.
More specifically, said track plate plate body bottom surface is embedded with at least two row's rectangle reinforcing bars along the longitudinal direction, and rectangle reinforcing bar lower end is exposed to outside the track plate plate body.It is outward that the track plate forms the structure that is equivalent to composite plate with supporting bed for the ease of combining closely between track construction process middle orbit plate and the supporting bed self-compacting concrete below it that rectangle reinforcing bar lower end is exposed to track plate plate body.
More specifically, said every row's rectangle reinforcing bar is along near plate body longitudinal edge positional alignment.Make the track plate with its under the self-compacting concrete supporting bed combine tightr, more firm.
More specifically, the longitudinal length of said track plate is 5350mm, 4856mm, 5600mm.
As preferably, the lower surface of said self-compacting concrete layer is provided with spill retaining groove or convex blocking platform.The effect of said spill retaining groove or convex blocking platform is to prevent the displacement of track plate vertical and horizontal.In general, for the construction of roadbed location non-fragment orbit, the convex blocking platform structure is adopted in the lower surface of self-compacting concrete layer, and the spill retaining groove that is provided with supporting bed with subgrade bed cooperates.For the construction of bridge location non-fragment orbit, spill retaining groove structure is adopted in the lower surface of self-compacting concrete layer, cooperates with the convex blocking platform of concrete bed.
As preferably, said spill retaining groove or convex blocking platform side are provided with the yielding rubber backing plate.With the active force between the concrete bed that reduces composite plate and roadbed supporting bed or bridge.
As preferably, said every sparerib shelf connecting reinforcement is along arranging near the plate body longitudinal edge.
As preferably, be embedded with shear device on the said groove, this shear device comprises junction plate; Junction plate one side is fixed with embedded bar; The junction plate opposite side is fixed with shear plate, and wherein, said embedded bar and junction plate are pre-buried in the track board concrete; And the one side that said junction plate is connected with shear plate exposes to said bottom portion of groove, and said shear plate exposes to track plate end; Said shear plate one side at least is provided with tooth, and the teeth groove direction of said tooth is vertical with junction plate, also is provided with at least one connecting hole on the said shear plate.The purpose of said shear device is that each track plate head and the tail are coupled together in order; Can guarantee longitudinal-connecting type track slab shear stress on the roadbed effective transmission, be distributed on the tracks adjacent plate; Effectively reduce train wheel to the effect of the alternating stresses that forms, prevent to be fractureed because of subgrade settlement causes track plate end to track plate end.Change in displacement when each track plate of non-fragment orbit expands with heat and contract with cold through connecting the stress that transmits circuit between the longitudinal prestressing reinforcing bar separately, can't overcoming the track plate in the prior art can not reduce the effect of normal pressure to track plate end.
More specifically, said embedded bar is a U shaped steel muscle.Make be connected between embedded bar and the track board concrete more firm.
More specifically, the end of said U shaped steel muscle is outwardly-bent.This structure has further been strengthened closely being connected between embedded bar and the track board concrete.
More specifically, said embedded bar adopts hot rolled ribbed steel bar.Hot rolled ribbed steel bar can be so that combining of reinforcing bar and plate body inner concrete be tightr.
More specifically, said connecting hole is a bar hole.Connecting hole on the shear plate adopts the structure of bar hole, can regulate when being convenient to the shear plate engagement of two track plates.
More specifically, said embedded bar is fixed on junction plate one side with welding manner, and said shear plate is fixed on the junction plate opposite side with welding manner.Adopt this mode that is connected to make that connection is more reliable.
As preferably; Said skeleton connecting reinforcement becomes polyline shaped; Comprise horizontally disposed first section reinforcing bar and the 5th section reinforcing bar; One end bending of first section reinforcing bar connects the upper end of the second section reinforcing bar that vertically is provided with; One end bending of the 5th section reinforcing bar connects the upper end of the 4th section reinforcing bar that vertically is provided with, and the lower end of the lower end of said second section reinforcing bar and the 4th section reinforcing bar bending respectively is connected the two ends of horizontally disposed the 3rd section reinforcing bar, and the free end of said first section reinforcing bar and the 5th section reinforcing bar all is positioned at outside second section reinforcing bar, the 3rd section reinforcing bar and the 4th section reinforcing bar institute region; And said first section reinforcing bar and the 5th section reinforcing bar are pre-buried in the track plate; The top of the top of said second section reinforcing bar and the 4th section reinforcing bar is all pre-buried in the track plate, and the bottom of the bottom of said second section reinforcing bar and the 4th section reinforcing bar and said the 3rd section reinforcing bar all are exposed to outside the track plate plate body.Said skeleton connecting reinforcement adopts said structure, and one of said first section reinforcing bar and the 5th section action of steel bars are the extraction-resistant behaviors that increases reinforcing bar, and two of effect is to be convenient to locating on its colligation other reinforcing bars in the track plate.The bottom of the bottom of said second section reinforcing bar and the 4th section reinforcing bar and said the 3rd section reinforcing bar are used for being connected the self-compacting concrete layer.
As preferably, said first section reinforcing bar, second section reinforcing bar, the 3rd section reinforcing bar, the 4th section reinforcing bar and the 5th section reinforcing bar are formed by a reinforcing bar bending.This global formation structure can web frame connecting reinforcement itself intensity.
As preferably, the integument that said integument adopts high-density polyethylene material to adopt extrusion process to process.In general, select for use the density of pe scope to be not less than 0.948g/cm3 for its density.
The posttension longitudinal prestressing reinforcing bar that the utility model adopts refers to when the track plate is made, and the prestressed reinforcement outside is coated with the integument of extrusion moulding; And then the track plate carried out concreting, maintenance or the like; The effect of integument is to make the small space of formation between concrete and the prestressed reinforcement; Be convenient to the stretch-draw in the subsequent handling, treat that the track plate completes after, just formed micro gap between concrete and the prestressed reinforcement; At last prestressed reinforcement is carried out stretch-draw, anchoring and sealing off and covering anchorage, its stretch-draw, anchoring and sealing off and covering anchorage technology adopt existing technological means to realize.
Need to prove; It vertically also is that the track plate gets on the right track the bearing of trend of circuit for vertically that the utility model is made as the direction of the rail of installing on the track plate; The longitudinal centre line of said track plate plate body is meant along the center line of plate face longitudinal direction, this center line and track circuit central lines.The direction vertical with rail is that laterally said plate body cross central line is meant that along the center line of plate face horizontal direction, this center line is vertical with the track circuit center line on the track plate.
The technique effect of the utility model is:
(1) adopt the utility model, the track plate is cancelled cement asphalt mortar perfusion operation in the non-fragment orbit laying process; Make that track plate mounting process is simple, controllability is strong.
(2) because the utility model self-compacting concrete layer has replaced the relatively poor cement asphalt mortar bed course of globality; And track plate and self-compacting concrete layer are combined into composite plate structure with pre-buried skeleton connecting reinforcement, greatly strengthened the non-fragment orbit structural integrity and the structure flexing resistance of laying by the utility model.
(3) help reducing the track power acceleration.In the utility model, the track plate formation composite plate structure that combines with self-compacting concrete makes that the track structure quality under the dynamic load percussion is greatly improved.Under same impact load effect, the track structure that oscillating mass increases, its power acceleration reduces inverse ratio (power acceleration and oscillating mass are inversely proportional to).Thereby the track structure that oscillating mass increases helps improving the stationarity and the comfort level of driving.
(4) help reducing of the influence of track vibration noise to surrounding enviroment.Increase the oscillating mass of track structure, improved (vibration period is directly proportional with the square root of oscillating mass) vibration period that makes track structure synchronously.The increase of track structure vibration period; Can reduce the effective sound pressure (square root of effective sound pressure and vibration period is inversely proportional to) that the track structure vibration produces; And the reduction of effective sound pressure can effectively reduce the sound intensity that track structure vibration produces (sound intensity and acoustic pressure square be directly proportional).And the sound intensity is the physical quantity of weighing sound wave sound intensity in transmittance process.Therefore, increase the oscillating mass of track structure, help reducing the noise that high speed traveling causes the track structure vibration.
Description of drawings
The utility model will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the structural representation of cancellation self-compacting concrete layer among Fig. 1;
Fig. 5 is the structure for amplifying sketch map of skeleton connecting reinforcement among Fig. 1;
Fig. 6 is the structure for amplifying sketch map that posttension longitudinal prestressing reinforcing bar is provided with integument outward among Fig. 1;
Fig. 7 is posttension longitudinal prestressing reinforcing bar and a posttension transverse prestressed reinforcing steel bar arrangement sketch map among Fig. 1;
Fig. 8 is the structural representation of utility model embodiment 2;
Fig. 9 is the D-D sectional view of Fig. 7;
Figure 10 is a shear device structural representation in the utility model;
Figure 11 is the vertical view of Figure 10;
Figure 12 is the partial sectional view of Figure 10.
Wherein, Reference numeral is: 1 is plate body, and 1-1 is plate body 1 longitudinal centre line, and 1-2 is plate body 1 cross central line, and 2 are posttension longitudinal prestressing reinforcing bar; 3 is groove, and 4 is junction plate, and 5 is integument, and 6 for there being the shoulder block cushion cap, and 7 is the skeleton connecting reinforcement; First section reinforcing bar is 7-1, and second section reinforcing bar is 7-2, and the 3rd section reinforcing bar is 7-3, and the 4th section reinforcing bar is 7-4, and the 5th section reinforcing bar is 7-5; 8 is vertical anchor recess hole, and 9 is the self-compacting concrete layer, and 10 is the spill retaining groove, and 11 is convex blocking platform, and 12 is the yielding rubber backing plate; 13 are the posttension transverse prestressed reinforcing steel bar, and 14 is horizontal anchor recess hole, and 15 is embedded bar, and 16 is shear plate; 17 is tooth, and 17-1 is a teeth groove, and 17-2 is a tooth top, and 18 is connecting hole.
The specific embodiment
Disclosed all characteristics in this manual, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this manual (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
Extremely shown in Figure 7 like Fig. 1; A kind of posttension type of present embodiment pre-stress rail composite plate; Comprise track plate plate body 1, track plate plate body 1 longitudinal end is provided with groove 3, and the groove 3 at plate body 1 two ends is symmetrical set about plate body cross central line 1-2; When groove 3 numbers of plate body 1 end were one, groove 3 was located at the middle part of plate body 1 longitudinal terminal surface; When groove 3 numbers of plate body 1 end were two, two grooves 3 were symmetrical set with respect to plate body longitudinal centre line 1-1.
Be provided with posttension longitudinal prestressing reinforcing bar 2 and posttension transverse prestressed reinforcing steel bar 13 in the plate body 1, the external surface of posttension longitudinal prestressing reinforcing bar 2 and posttension transverse prestressed reinforcing steel bar 13 is equipped with integument 5, and this integument 5 adopts high-density polyethylene material.In general, select for use the density of pe scope to be not less than 0.948g/cm3 for its density; Be the posttension longitudinal prestressing reinforcing bar 2 outer structural representations that are provided with integument 5 among Fig. 6, in fact, the structure that is provided with integument 5 outside the posttension transverse prestressed reinforcing steel bar 13 is identical with Fig. 6.
The end anchorage of posttension longitudinal prestressing reinforcing bar 2 is in vertical anchor recess hole 8 of plate body 1 longitudinal end; Posttension longitudinal prestressing reinforcing bar 2 is symmetrical set with respect to plate body longitudinal centre line 1-1; The end anchorage of posttension transverse prestressed reinforcing steel bar 13 is in the horizontal anchor recess hole 14 of plate body 1 lateral ends; Posttension transverse prestressed reinforcing steel bar 13 is symmetrical set with respect to plate body cross central line 1-2, and is all contactless between the concrete in posttension transverse prestressed reinforcing steel bar 13 and posttension longitudinal prestressing reinforcing bar 2 and the plate body 1.Track plate plate body 1 bottom surface is embedded with at least two sparerib shelf connecting reinforcements 7 along the longitudinal direction; Every sparerib shelf connecting reinforcement 7 is along arranging near plate body 1 longitudinal edge; Skeleton connecting reinforcement 7 lower ends are exposed to outside the track plate plate body 1, and plate body 1 lower end closely is connected with self-compacting concrete layer 9 through skeleton connecting reinforcement 7.The top support rail position of track plate plate body 1 respectively is provided with a row has shoulder block cushion cap 6, and said two rows have shoulder block cushion cap 6 to be symmetrical set about plate body longitudinal centre line 1-1.The lower surface of self-compacting concrete layer 9 is provided with convex blocking platform 11, and convex blocking platform 11 sides are provided with yielding rubber backing plate 12, the thickness≤10mm of yielding rubber backing plate 12.
Extremely shown in Figure 12 like Figure 10; Be embedded with shear device on the groove 3, this shear device comprises junction plate 4, and junction plate 4 one sides adopt welding manner to be fixed with embedded bar 15; Embedded bar 15 is a U shaped steel muscle; The end of U shaped steel muscle is outwardly-bent, and embedded bar 15 adopts hot rolled ribbed steel bar, and this structure of embedded bar 15 is to be convenient to combine tightr with plate body 1 concrete; Junction plate 4 opposite sides adopt welding manner to be fixed with shear plate 16; Wherein, Said embedded bar 15 is pre-buried in the track board concrete with junction plate 4; And the one side that said junction plate 4 is connected with shear plate 16 exposes to said groove 3 bottoms, and shear plate 16 exposes to track plate end, is for the vertical connection between the adjacent orbit plate; Shear plate 16 one sides are provided with tooth 17, and the teeth groove 17-1 direction of tooth 17 is vertical with junction plate 4, when appearance temperature changes; When longitudinal-connecting type track slab expanded with heat and contract with cold, because of the tooth that engagement is vertically arranged 17 of the shear plate 16 of adjacent longitudinal-connecting type track slab, this tooth 17 can slide along teeth groove 17-1 direction; Thereby the reliability that connects between the assurance track plate, the teeth groove 17-1 of tooth 17 is a V-type, tooth top 17-2 is the plane; The plane is concentrated in order to prevent stress, also is provided with two connecting holes 18 on the shear plate 16, and this connecting hole 18 adopts bar holes; Shear device is installed on the railway plate die when making for the ease of the track plate, also is provided with installing hole on the junction plate 4.
As shown in Figure 5; Skeleton connecting reinforcement 7 comprises horizontally disposed first section reinforcing bar 7-1 and the 5th section reinforcing bar 7-5; The end of first section reinforcing bar 7-1 connects the upper end of the second section reinforcing bar 7-2 that vertically is provided with; The end bending of the 5th section reinforcing bar 7-5 connects the upper end of the 4th section reinforcing bar 7-4 that vertically is provided with; The lower end of said second section reinforcing bar 7-2 and the lower end of the 4th section reinforcing bar 7-4 are connected the two ends of horizontally disposed the 3rd section reinforcing bar 7-3 respectively, and the free end of said first section reinforcing bar 7-1 and the 5th section reinforcing bar 7-5 all is positioned at outside second section reinforcing bar 7-2, the 3rd section reinforcing bar 7-3 and the 4th section reinforcing bar 7-4 institute region; And said first section reinforcing bar 7-1 and section five reinforcing bar 7-5 are pre-buried in the track plate; The top of the top of said second section reinforcing bar 7-2 and the 4th section reinforcing bar 7-4 is all pre-buried in the track plate, and the bottom of the bottom of said second section reinforcing bar 7-2 and the 4th section reinforcing bar 7-4 and said the 3rd section reinforcing bar 7-3 all are exposed to outside the track plate plate body 1.In order to guarantee the intensity of skeleton connecting reinforcement 7, said first section reinforcing bar 7-1, second section reinforcing bar 7-2, the 3rd section reinforcing bar 7-3, the 4th section reinforcing bar 5-4 and the 5th section reinforcing bar 5-5 are formed by a reinforcing bar bending.
Embodiment 2, the track composite plate structure that present embodiment adopts when being suitable for the non-fragment orbit laying of bridge location.
Like Fig. 8, shown in Figure 9, a kind of posttension type of embodiment pre-stress rail composite plate, different with previous embodiment 1 is, and the lower surface of self-compacting concrete layer 9 is provided with spill retaining groove 10, and spill retaining groove 10 sides are provided with yielding rubber backing plate 12.That is to say that present embodiment is with the different of embodiment 1, the lower surface of self-compacting concrete layer 9 is provided with spill retaining groove 10 structures, and other structures of present embodiment are identical with embodiment 1.
The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (10)
1. posttension type pre-stress rail composite plate; Comprise track plate plate body (1); Said track plate plate body (1) longitudinal end is provided with groove (3); The groove (3) at said plate body (1) two ends is symmetrical set about the cross central line of plate body (1); It is characterized in that; Be provided with posttension longitudinal prestressing reinforcing bar (2) and posttension transverse prestressed reinforcing steel bar (13) in the said plate body (1), the external surface of said posttension longitudinal prestressing reinforcing bar (2) and posttension transverse prestressed reinforcing steel bar (13) is equipped with integument (5), and the end anchorage of said posttension longitudinal prestressing reinforcing bar (2) is in vertical anchor recess hole (8) of plate body (1) longitudinal end; Said posttension longitudinal prestressing reinforcing bar (2) is symmetrical set with respect to plate body longitudinal centre line (1-1); The end anchorage of said posttension transverse prestressed reinforcing steel bar (13) is in the horizontal anchor recess hole (14) of plate body (1) lateral ends, and said posttension transverse prestressed reinforcing steel bar (13) is symmetrical set with respect to plate body cross central line (1-2), and said track plate plate body (1) bottom surface is embedded with at least two sparerib shelf connecting reinforcements (7) along the longitudinal direction; Said skeleton connecting reinforcement (7) lower end is exposed to outside the track plate plate body (1), and said plate body (1) lower end closely is connected with self-compacting concrete layer (9) through skeleton connecting reinforcement (7).
2. posttension type pre-stress rail composite plate according to claim 1 is characterized in that, when groove (3) number of said plate body (1) end was one, said groove (3) was located at the middle part of plate body (1) longitudinal terminal surface; When groove (3) number of said plate body (1) end was two, said two grooves (3) were symmetrical set with respect to plate body longitudinal centre line (1-1).
3. posttension type pre-stress rail composite plate according to claim 2; It is characterized in that; The support rail position respectively is provided with a row above the said track plate plate body (1) has shoulder block cushion cap (6), and said two rows have shoulder block cushion cap (6) to be symmetrical set about plate body longitudinal centre line (1-1).
4. posttension type pre-stress rail composite plate according to claim 3 is characterized in that the lower surface of said self-compacting concrete layer (9) is provided with spill retaining groove (10) or convex blocking platform (11).
5. posttension type pre-stress rail composite plate according to claim 4 is characterized in that, said spill retaining groove (10) or convex blocking platform (11) side are provided with yielding rubber backing plate (12).
6. according to any described posttension type pre-stress rail composite plate of claim 1 to 5, it is characterized in that said every sparerib shelf connecting reinforcement (7) is along arranging near plate body (1) longitudinal edge.
7. posttension type pre-stress rail composite plate according to claim 6; It is characterized in that said groove is embedded with shear device on (3), this shear device comprises junction plate (4); Junction plate (4) one sides are fixed with embedded bar (15); Junction plate (4) opposite side is fixed with shear plate (16), and wherein, said embedded bar (15) and junction plate (4) are pre-buried in the track board concrete; And the one side that said junction plate (4) is connected with shear plate (16) exposes to said groove (3) bottom, and said shear plate (16) exposes to track plate end; Said shear plate (16) one side at least is provided with tooth (17), and teeth groove (17-1) direction of said tooth (17) is vertical with junction plate (4), also is provided with at least one connecting hole (18) on the said shear plate (16).
8. posttension type pre-stress rail composite plate according to claim 6; It is characterized in that; Said skeleton connecting reinforcement (7) becomes polyline shaped; Comprise horizontally disposed first section reinforcing bar (7-1) and the 5th section reinforcing bar (7-5); One end bending of first section reinforcing bar (7-1) connects the upper end of the second section reinforcing bar (7-2) that vertically is provided with; One end bending of the 5th section reinforcing bar (7-5) connects the upper end of the 4th section reinforcing bar (7-4) that vertically is provided with, and the lower end of the lower end of said second section reinforcing bar (7-2) and the 4th section reinforcing bar (7-4) bending respectively is connected the two ends of horizontally disposed the 3rd section reinforcing bar (7-3), and the free end of said first section reinforcing bar (7-1) and the 5th section reinforcing bar (7-5) all is positioned at outside second section reinforcing bar (7-2), the 3rd section reinforcing bar (7-3) and the 4th section reinforcing bar (7-4) the institute region; And said first section reinforcing bar (7-1) and the 5th section reinforcing bar (7-5) are pre-buried in the track plate; The top of the top of said second section reinforcing bar (7-2) and the 4th section reinforcing bar (7-4) is all pre-buried in the track plate, and the bottom and said the 3rd section reinforcing bar (7-3) of the bottom of said second section reinforcing bar (7-2) and the 4th section reinforcing bar (7-4) all are exposed to outside the track plate plate body (1).
9. posttension type pre-stress rail composite plate according to claim 8; It is characterized in that said first section reinforcing bar (7-1), second section reinforcing bar (7-2), the 3rd section reinforcing bar (7-3), the 4th section reinforcing bar (7-4) and the 5th section reinforcing bar (7-5) are formed by a reinforcing bar bending.
10. posttension type pre-stress rail composite plate according to claim 9 is characterized in that, the integument (5) that said integument (5) adopts high-density polyethylene material to adopt extrusion process to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120433301 CN202323563U (en) | 2011-11-04 | 2011-11-04 | Post-tensioned prestressed rail composite plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120433301 CN202323563U (en) | 2011-11-04 | 2011-11-04 | Post-tensioned prestressed rail composite plate |
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| CN202323563U true CN202323563U (en) | 2012-07-11 |
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| CN 201120433301 Expired - Lifetime CN202323563U (en) | 2011-11-04 | 2011-11-04 | Post-tensioned prestressed rail composite plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112127216A (en) * | 2020-09-30 | 2020-12-25 | 武汉理工大学 | A prefabricated asphalt substrate type ballastless track and its construction method |
-
2011
- 2011-11-04 CN CN 201120433301 patent/CN202323563U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112127216A (en) * | 2020-09-30 | 2020-12-25 | 武汉理工大学 | A prefabricated asphalt substrate type ballastless track and its construction method |
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