CN110468628A - A kind of position limiting structure and assembled track for assembled track - Google Patents
A kind of position limiting structure and assembled track for assembled track Download PDFInfo
- Publication number
- CN110468628A CN110468628A CN201910803335.XA CN201910803335A CN110468628A CN 110468628 A CN110468628 A CN 110468628A CN 201910803335 A CN201910803335 A CN 201910803335A CN 110468628 A CN110468628 A CN 110468628A
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- China
- Prior art keywords
- track
- hole
- position limiting
- limiting structure
- assembled
- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000004567 concrete Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010437 gem Substances 0.000 description 2
- 229910001751 gemstone Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011376 self-consolidating concrete Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
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- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 238000001556 precipitation Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/003—Arrangement of tracks on bridges or in tunnels
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/11—Embedded tracks, using prefab elements or injecting or pouring a curable material
Abstract
The embodiment of the present invention provides a kind of position limiting structure for assembled track and assembled track, the assembled track, comprising: track plates, pedestal, the position limiting structure include: column, buffer body；The column is for being plugged in corresponding through-hole of the track plates with the pedestal, to limit moving horizontally for the track plates and the pedestal；The corresponding through-hole includes: the first through hole through the track plate thickness direction, and the second hole perpendicular to the pedestal upper surface；The buffer body is set between column described in the corresponding through-hole.Position limiting structure provided in an embodiment of the present invention, column and buffer body, it can be in damage, removably mutually separated with track plates, pedestal, it is easily changed to realize, it and in construction and installation, also can quickly be installed, be provided the foundation for the standardized construction of position limiting structure, installation, maintenance.
Description
Technical field
The present embodiments relate to railway traffic engineering technical fields, and in particular to a kind of limit for assembled track
Structure and assembled track.
Background technique
Traditional precast track plate uses Integral plate type structure, when track plates direction and pose adjustment in place after, hanging
Self-compacting concrete is perfused between track plates and pedestal or CA mortar forms filling adjustment layer with retaining rail guidance tape.III template of CRTS
Formula non-fragment orbit optimizes existing non-fragment orbit, and the limit method of railway roadbed is using the door shape reinforcing bar and self-compaction stretched out under plate
While concrete forms composite plate, positive stop lug boss is generated in base groove position, is realized in a manner of sag and swell under plate pre-
The constraint of the longitudinal and transverse horizontal displacement of track plates processed.
For example, the concrete bed of ballastless track on bridge is directly cast on bridge using fraction block structure, the design of pedestal
Width and piecemeal length are identical as track plates structure, and two grooves are arranged on every piece of pedestal, are limited by the groove of pedestal
Position, reinforcing bar is arranged in base groove surrounding, and after formwork erection pours qualification, fabric swatch, accurate adjustment and retaining rail guidance tape fill adjustment layer under plate
Elastomeric isolation layer is set between self-compacting concrete and base groove.The limit method of other types railway roadbed, I type track plates be
Plate end setting circle or rectangle armored concrete boss；The road bed board formed using cast-in-place concretes such as double-block type sleepers is in plate
Two sides form positive stop lug boss；The Cha Qu of long sleeper buried-type non-fragment orbit is combined using the recessed convex positive stop of plate with fixation/sliding pin
Mode.The recoverability of all limit methods is poor, the non-exchange maintenance of position limiting structure.
Therefore, how a kind of position limiting structure scheme for assembled track is provided, it can be real while realizing limit
The replaceable maintenance of existing position limiting structure, is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of position limiting structure for assembled track and assembled track, Neng Gou
While realizing limit, the replaceable maintenance of position limiting structure is realized.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
On the one hand, the embodiment of the present invention provides a kind of position limiting structure for assembled track, the assembled track, packet
Include: track plates, pedestal, the position limiting structure include: column, buffer body；
The column for being plugged in corresponding through-hole of the track plates with the pedestal, with limit the track plates and
The pedestal moves horizontally；
The corresponding through-hole includes: the first through hole through the track plate thickness direction, and perpendicular to the pedestal
Second hole of upper surface；
The buffer body is set between column described in the corresponding through-hole.
Preferably, the first through hole includes: to be set on the track plates along the through-hole of track centerline or be set to
In the through-hole of plum blossom-shaped distribution on the track plates.
Preferably, the first through hole, further includes: be set to first semicircle orifice at the edge of the first track plates, be set to
Second semicircle orifice at the edge of the second track plates；The radius of first semicircle orifice is equal with the radius of second semicircle orifice；
When first track plates and second track plates are end to end, first semicircle orifice and described the second half
Circular hole forms first through hole.
Preferably, the column is cylindrical body or square body.
Preferably, the column is seamless steel pipe or carbon fiber pipe.
Preferably, the buffer body is the flexible note between column described in flexible ring or the injection corresponding through-hole
Moulding material.
Preferably, the flexible injection material is polyurethane material.
Preferably, when the column be columnar metal body when, the columnar metal body be by rust preventing handle or
The columnar metal body of metal and vulcanization of rubber processing；
Preferably, the upper end peripheral part of the first through hole is higher than the upper surface of the track plates.
On the other hand, the embodiment of the present invention provides a kind of assembled track, comprising: track plates, pedestal, such as above-mentioned first party
Any position limiting structure for assembled track in face.
The embodiment of the present invention provides a kind of position limiting structure for assembled track, the assembled track, comprising: track
Plate, pedestal, the position limiting structure include: column, buffer body；The column is for being plugged in the track plates and the base
The correspondence through-hole of seat, to limit moving horizontally for the track plates and the pedestal；The corresponding through-hole includes: through the rail
The first through hole of road plate thickness direction, and the second hole perpendicular to the pedestal upper surface；The buffer body is set to institute
It states between column described in corresponding through-hole.Position limiting structure provided in an embodiment of the present invention, column and buffer body can damage
Bad when, removably mutually separates with track plates, pedestal, easily changes to realize, and in construction and installation, also can be fast
Speed is installed, and is provided the foundation for the standardized construction of position limiting structure, installation, maintenance.
Assembled track provided in an embodiment of the present invention, it may have above-mentioned beneficial effect, this is no longer going to repeat them.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing amplification of offer obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 provides a kind of schematic perspective view of position limiting structure for assembled track for the embodiment of the present invention；
Fig. 2 provides a kind of side structure schematic view of position limiting structure for assembled track for the embodiment of the present invention；
Fig. 3 shows for the correspondence through-hole sectional structure that the embodiment of the present invention provides a kind of position limiting structure for assembled track
It is intended to；
Fig. 4 installs sectional structure for the column that the embodiment of the present invention provides a kind of position limiting structure for assembled track
Schematic diagram.
Attached drawing mark is as follows:
120, prefabricated railway roadbed module；130, flexible pad；1, rail；2, rail fastening；3, track plates；4, viscoplasticity bed course；
5, pedestal；6, pedestal；7, column；112, tunnel bottom；101, first through hole；102, the second hole；301, annular projection；
701, pull-tab.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 are please referred to, Fig. 1 provides a kind of limit knot for assembled track for the embodiment of the present invention
The schematic perspective view of structure；Fig. 2 provides a kind of side view knot of position limiting structure for assembled track for the embodiment of the present invention
Structure schematic diagram；Fig. 3 provides a kind of correspondence through-hole sectional structure of position limiting structure for assembled track for the embodiment of the present invention
Schematic diagram；Fig. 4 installs sectional structure for the column that the embodiment of the present invention provides a kind of position limiting structure for assembled track
Schematic diagram.
The embodiment of the present invention provides a kind of position limiting structure for assembled track, the assembled track, comprising: track
Plate 3, pedestal 5, the position limiting structure include: column 7, buffer body；The column 7 for be plugged in the track plates 3 with
The correspondence through-hole of the pedestal 5, to limit moving horizontally for the track plates 3 and the pedestal 5；The corresponding through-hole includes:
Through the first through hole 101 of 3 thickness direction of track plates, and perpendicular to the second hole 102 of 5 upper surface of pedestal；
The buffer body is set between column 7 described in the corresponding through-hole.
Specifically, assembled track, comprising: pedestal 5, prefabricated railway roadbed module 120, flexible pad 130；The flexible pad 130
It is set between the pedestal 5 and the prefabricated railway roadbed module 120, for buffering the pedestal 5 and the prefabricated railway roadbed module
Active force between 120；Prefabricated railway roadbed module 120, comprising: track plates 3, track 20,1 fastener 2 of rail；The track plates 3
Upper surface be provided with track 20, the track 20 is for fixing 1 fastener 2 of rail, and 1 fastener 2 of rail is for fixing
Rail 1；Track plates 3 are whole in a strip shape；The track 20 is arranged perpendicular to the length direction of the track plates 3；The track
Plate 3 is equipped with the position limiting structure for limiting 3 planar movement of track plates；The M track plates 3 are in default rail track head and the tail
It is connected to form dismountable track solid concrete roabed；Wherein, M is the positive integer greater than 1.Accordingly it is desirable to which pre-track is passed through limit
Bit architecture carries out the displacement limitation in horizontal direction.
Specifically, when carrying out the setting of first through hole 101, first through hole 101 can be set to including: to be set to institute
State on track plates 3 along the through-hole of track centerline or be set on the track plates 3 in plum blossom-shaped distribution through-hole.Namely
It says, on track plates 3, more than one through-hole can be set, all through-holes can be along the center that track is arranged on track plates 3
Line setting may be set to be and for example can be set to six through-holes in plum blossom-shaped distribution in other shapes, it is of course also possible to
First through hole 101 is set as on the track plates 3 being distributed in quincuncial pile, Big Dipper shape, that is to say, that first through hole 101
Including multiple through-holes, can arrange according to arbitrary shape, the embodiment of the present invention is not intended to limit the arrangement side of first through hole 101
Formula.
Can also to set first through hole 101 to include: the first semicircle orifice for being set to the edge of the first track plates 3, is set
It is placed in second semicircle orifice at the edge of the second track plates 3；The radius of the radius of first semicircle orifice and second semicircle orifice
It is equal；When first track plates 3 are end to end with second track plates 3, first semicircle orifice and described the second half
Circular hole forms first through hole 101.That is, two adjacent track plates 3 can be respectively with the through-hole of half, when being filled
Assembled with formula track can form an entire through-hole, to can also increase adjacent orbit plate while can limit
Cooperation matching relationship between 3, it is convenient to be assembled in construction.
Specifically when carrying out the setting of column 7, cylindrical body or square body can be set by column 7, certainly may be used
To set column 7 of the cross section as other shapes for column 7.For example, can be seamless steel pipe or carbon fiber by column 7
Dimension pipe.The flexible injection material between column 7 described in flexible ring or the injection corresponding through-hole is set by buffer body.
It is injected into the gap between column 7 and corresponding through-hole it is, for example, possible to use polyurethane material.In order to increase column 7
Service life rust preventing processing or gold can be carried out to columnar metal body 7 when the column 7 is columnar metal body 7
Belong to and being handled with the vulcanization of rubber.Column 7 can be specifically set as cylindrical body, and cylindrical body is using materials such as seamless steel pipe or carbon fiber pipes
The flexible ring of material production, cylinder diameter 90mm or more, cylindrical body outsourcing insulation is contacted with the inner wall of first through hole 101.
It is worth noting that on the basis of above-mentioned concrete mode, in present embodiment, water when precipitation in order to prevent
It is flowed into first through hole 101, the upper end peripheral part of first through hole 101 can be higher than to the upper surface of the track plates 3, also
It is to say that annular projection 301 is arranged in the upper end periphery of first through hole 101.Also, the replacement of column 7 for convenience, Ke Yi
Pull-tab 701 is arranged in the upper end of column 7, pulls out column 77 from first through hole 101, the second hole 102 to facilitate.
When specifically being constructed, after the completion of the accurate laying in place of precast track plate 3, in the reserved through-hole of railway roadbed limit
The lead to the hole site of the smaller part round recessed at position or plate end composition, the special jewel to be matched using circular diameter in bit diameter and through-hole
Machine, the jewel hole on 5/ pedestal 6 of pedestal of through-hole upright projection range, the minimum-depth that annulus drill bit pierces are 100mm, and drill core is mixed
Solidifying soil can be taken off also can original place reservation.After drilling machine takes out, fixed from the lead to the hole site insertion cylinder of assembly railway roadbed, cylinder is without outer
Packet insulation flexible ring can pour into the materials such as polyurethane from the gap of cylinder and through-hole after cylinder is inserted into and fixes.Insertion first
The cylinder of through-hole 101 is fixed on pedestal 5 and/or pedestal 6, In using the production of the materials such as seamless steel pipe or carbon fiber pipe
The flexible ring of insulation is set between the thickness range cylinder and through-hole of precast track plate 3.
The embodiment of the present invention provides a kind of assembled track, comprising: track plates 3, pedestal 5, such as above-mentioned any embodiment party
The position limiting structure of assembled track is used for described in formula.
The embodiment of the present invention provides a kind of position limiting structure for assembled track, column and buffer body, can damage
Bad when, removably mutually separates with track plates, pedestal, easily changes to realize, and in construction and installation, also can be fast
Speed is installed, and is provided the foundation for the standardized construction of position limiting structure, installation, maintenance.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of position limiting structure for assembled track, the assembled track, comprising: track plates, pedestal, feature exist
In the position limiting structure includes: column, buffer body；
The column for being plugged in corresponding through-hole of the track plates with the pedestal, with limit the track plates with it is described
Pedestal moves horizontally；
The corresponding through-hole includes: the first through hole through the track plate thickness direction, and perpendicular to table on the pedestal
Second hole in face；
The buffer body is set between column described in the corresponding through-hole.
2. the position limiting structure according to claim 1 for assembled track, which is characterized in that the first through hole packet
It includes: being set on the track plates along the through-hole of track centerline or be set on the track plates in the logical of plum blossom-shaped distribution
Hole.
3. according to the position limiting structure described in claim 1 for assembled track, which is characterized in that
The first through hole, further includes: be set to first semicircle orifice at the edge of the first track plates, be set to the second track plates
Second semicircle orifice at edge；The radius of first semicircle orifice is equal with the radius of second semicircle orifice；
When first track plates and second track plates are end to end, first semicircle orifice and second semicircle orifice
Form first through hole.
4. according to the position limiting structure described in claim 1 for assembled track, which is characterized in that
The column is cylindrical body or square body.
5. the position limiting structure according to claim 4 for assembled track, which is characterized in that
The column is seamless steel pipe or carbon fiber pipe.
6. the position limiting structure according to claim 1 for assembled track, which is characterized in that
The buffer body is the flexible injection material between column described in flexible ring or the injection corresponding through-hole.
7. the position limiting structure according to claim 6 for assembled track, which is characterized in that
The flexible injection material is polyurethane material.
8. the position limiting structure according to claim 1 for assembled track, which is characterized in that
When the column is columnar metal body, the columnar metal body is by rust preventing processing or metal and rubber sulphur
Change the columnar metal body of processing.
9. the position limiting structure according to any one of claims 1 to 8 for assembled track, which is characterized in that
The upper end peripheral part of the first through hole is higher than the upper surface of the track plates.
10. a kind of assembled track characterized by comprising track plates, pedestal, as described in any one of claim 1 to 9
Position limiting structure for assembled track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803335.XA CN110468628A (en) | 2019-08-28 | 2019-08-28 | A kind of position limiting structure and assembled track for assembled track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803335.XA CN110468628A (en) | 2019-08-28 | 2019-08-28 | A kind of position limiting structure and assembled track for assembled track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110468628A true CN110468628A (en) | 2019-11-19 |
Family
ID=68513834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910803335.XA Pending CN110468628A (en) | 2019-08-28 | 2019-08-28 | A kind of position limiting structure and assembled track for assembled track |
Country Status (1)
| Country | Link |
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| CN (1) | CN110468628A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074696A (en) * | 2020-01-03 | 2020-04-28 | 西南交通大学 | Assembly type tunnel track unit, assembly type tunnel track and deformation maintenance method thereof |
| CN114232391A (en) * | 2021-12-14 | 2022-03-25 | 中铁第四勘察设计院集团有限公司 | CFT (cement fly-ash gravel) sleeper type ballastless track and construction method thereof |
| CN115387164A (en) * | 2022-09-27 | 2022-11-25 | 中铁第四勘察设计院集团有限公司 | Reliably-operated plate-type ballastless track structure and construction method and adjustment method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111074696A (en) * | 2020-01-03 | 2020-04-28 | 西南交通大学 | Assembly type tunnel track unit, assembly type tunnel track and deformation maintenance method thereof |
| CN114232391A (en) * | 2021-12-14 | 2022-03-25 | 中铁第四勘察设计院集团有限公司 | CFT (cement fly-ash gravel) sleeper type ballastless track and construction method thereof |
| CN115387164A (en) * | 2022-09-27 | 2022-11-25 | 中铁第四勘察设计院集团有限公司 | Reliably-operated plate-type ballastless track structure and construction method and adjustment method thereof |
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