CN106400613A - Ballastless track - Google Patents
Ballastless track Download PDFInfo
- Publication number
- CN106400613A CN106400613A CN201610935335.1A CN201610935335A CN106400613A CN 106400613 A CN106400613 A CN 106400613A CN 201610935335 A CN201610935335 A CN 201610935335A CN 106400613 A CN106400613 A CN 106400613A
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- Prior art keywords
- block
- bed board
- road bed
- elastic
- fragment orbit
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention provides a ballastless track. The ballastless track comprises a roadbed slab with a storage groove, an elastic support block arranged on the roadbed slab, a steel rail arranged on the elastic support block, and an elastic sealing structure arranged between the roadbed slab and the elastic support block for sealing a gap between the roadbed plate and the elastic support block. The ballastless track effectively solves the problem that a ballastless track in the prior art is easy to introduce impurities to influence the elasticity and the stability thereof.
Description
Technical field
The present invention relates to the technical field of non-fragment orbit, in particular to a kind of non-fragment orbit.
Background technology
The structure of non-fragment orbit, with the feature of its high ride, high stability, high-durability and high reliability, is that the world is each
State's high-speed railway is accepted.With the fast development of China railways industry, the construction of China's non-fragment orbit and operation mileage are
Occupy first place in the world, have accumulated rich experiences at the research design of ballastless track structure, the aspects such as operation of constructing.Wherein high-speed railway
Using non-fragment orbit pattern mainly include CRTS I type, CRTS II plate-type, double-block type, CRTS III plate-type and switch area
Long sleeper buried-type and plate-type ballastless track etc., current track structure is mature on the whole, and gradually forms generalized reference figure.
At present, domestic and international mixed passenger and freight railway and heavy haul railway mostly adopt Ballast track structure.On the one hand, domestic guest who is not a relative
, with the increase year by year of freight volume, rail, welding point and track switch trauma quantity are big for the conllinear railway of goods and heavy haul railway Ballast track
Width rises, and railway roadbed residual deformation increases, and railway roadbed efflorescence is hardened, and orbit rigidity constantly increases, and exacerbates train to sub-rail foundation
Destruction and the deterioration of circuit geometry state, form the vicious cycle of track condition deterioration.On the other hand, with rate of traffic flow and load
The raising of weight, the maintenance work of track is more frequent, but busy main line railway, and skylight encashment ratio is more and more lower, can be used for
Both at home and abroad the time of mixed passenger and freight railway and heavy haul railway maintenance shorter it is difficult to on-call maintenance is carried out to diseases of railway line.Especially
, in major long tunnel, Ballast track structure supports that to repair operation more difficult for it.Therefore, mixed passenger and freight railway and heavy haul railway length are big
It is proposed with ballastless track structure form in 1 kilometer of tunnel.The domestic ballastless track structure commonly used that was once directed to carries out theory
Calculate analysis, and combine different track structure own characteristics and mixed passenger and freight railway and heavy haul railway operation condition carry out comprehensive right
Than analysis.Think：(1) generally, on the premise of infrastructure meets non-fragment orbit construction conditions, various non-fragment orbits
Structure passes through to adjust pattern size, reinforcement structure arrangement of reinforcement, and lifting material property may be applicable to mixed passenger and freight railway and heavily loaded ferrum
Road bearing requirements.(2) unit plate type ballastless track structure：Cement emulsified asphalt mortar under track plates, for mixed passenger and freight railway
Still require study with the adaptability of the big axle heavy train operation condition of heavy haul railway, and consider that track structure in tunnel is constructed just
Profit, the professional and Technical Economy of maintenance, do not have advantage using unit plate type ballastless track structure in tunnel.(3)
Elastic bolster formula ballastless track structure has a small amount of laying on China's subway line, abroad also only in passenger traffic and metro operation circuit
On carried out laying, the vibration-proof structure mainly as urban track traffic accounts for, the later stage elasticity bolster rubber dress boots be easily subject to
Dust pollution, maintenance difficulty is larger.(4) double-block type, long sleeper buried-type non-fragment orbit are cast-in-place pillow formula solid concrete roabed knot
Structure, both stress systems are identical, and combination property preferably, and has certain application experience in China's passenger-cargo co circuit, always at present
Body use state is good, but all of damping property is realized by fastener system, and difficulty is larger.It is directed to China's passenger-cargo co ferrum
Be badly in need of in road and heavy haul railway tunnel that a kind of suitability is good, good endurance, stronger recoverability, good workability and
Economical rationality and there is the non-fragment orbit form of certain damping property.
Non-fragment orbit dust and moisture when using can enter railway roadbed by the gap between road bed board and elastic supporting block
Between plate and elastic supporting block, so can affect elasticity and the stability of non-fragment orbit.
Content of the invention
Present invention is primarily targeted at providing a kind of non-fragment orbit, easily entered with solving non-fragment orbit of the prior art
Enter impurity and affect the elasticity of non-fragment orbit and the problem of stability.
To achieve these goals, the invention provides a kind of non-fragment orbit, including：Road bed board, road bed board has receiving
Groove；Elastic supporting block, elastic supporting block is arranged on road bed board；Rail, rail is arranged on elastic supporting block；Elastic packing
Structure, elastic sealing structure is arranged between road bed board and elastic supporting block with to the gap between road bed board and elastic supporting block
Sealed.
Further, elastic supporting block includes rest pad and elastic shoe, and elastic shoe is arranged on road bed board and rest pad
Between, elastic shoe is used for accommodating rest pad.
Further, rest pad includes the first block and the second block, and the width of the first block is less than the width of pockets
Degree, the width of the second block is more than the width of pockets, and the second block protrudes from the first block to form convex edge, the first block
Height higher than pockets.
Further, the cross-sectional area of the first block is trapezoidal, and the width at the first block top is more than the first block bottom
Width.
Further, elastic shoe includes base plate and side plate, and base plate is arranged between bottom and the road bed board of the first block,
Side plate is arranged between sidepiece and the road bed board of the first block.
Further, elastic shoe is solid rubber or entity polyurethane.
Further, elastic supporting block also includes resilient sleeper-bearing, and resilient sleeper-bearing is arranged on bottom surface and the bullet of supporting rest pad
Between property gumshoe.
Further, resilient sleeper-bearing is channel form solid rubber or microcellular rubber or microvoid polyurethane.
Further, elastic sealing structure is gasket structure, and gasket structure is arranged on convex edge and the road of the second block
Between bed board.
Further, elastic sealing structure by polysulfide material or silicone material or polyurethane material or is made, can be pre-
After making type, bonding also can cast in situs adhering and sealing.
Application technical scheme, elastic sealing structure is passed through in the gap between road bed board and elastic bearing rest pad
Sealed, the impurity such as such dust or water will not enter the inside of non-fragment orbit due to the stop of elastic sealing structure, on
State structure and efficiently solve non-fragment orbit of the prior art and be easily accessible impurity and affect the elasticity of non-fragment orbit and stable
The problem of property.Technical scheme efficiently solves non-fragment orbit of the prior art and is easily accessible impurity and affects no
The elasticity of tiny fragments of stone, coal, etc. track and the problem of stability.
Brief description
The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and its illustrate for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the cross-sectional schematic of the embodiment of the non-fragment orbit according to the present invention；
Fig. 2 shows the schematic top plan view of the non-fragment orbit of Fig. 1；
Fig. 3 shows the structural representation of the elastic supporting block of the non-fragment orbit of Fig. 1；
Fig. 4 shows the cross-sectional schematic of the elastic supporting block of Fig. 3；And
Fig. 5 shows the elastic supporting block of Fig. 1 and the close-up schematic view of road bed board.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling：
10th, road bed board；20th, elastic supporting block；21st, rest pad；211st, the first block；212nd, the second block；22nd, resilient sleeve
Boots；23rd, resilient sleeper-bearing；30th, rail；40th, elastic sealing structure.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1 and Figure 5, the non-fragment orbit of the present embodiment includes：Road bed board 10, elastic supporting block 20, rail 30 and
Elastic sealing structure 40.Road bed board 10 has pockets.Elastic supporting block 20 is arranged on road bed board 10.Rail 30 is arranged on
On elastic supporting block 20.Elastic sealing structure 40 is arranged between road bed board 10 and elastic supporting block 20 with to road bed board 10 and bullet
Gap between property rest pad 20 is sealed.
The technical scheme of application the present embodiment, the gap between road bed board 10 and elastic supporting block 20 is tied by elastic packing
Structure 40 is sealed, and the impurity such as such dust or water will not be entered in non-fragment orbit due to the stop of elastic sealing structure 40
Portion, said structure efficiently solve non-fragment orbit of the prior art be easily accessible impurity and affect non-fragment orbit elasticity and
The problem of stability.The technical scheme of the present embodiment efficiently solve non-fragment orbit of the prior art be easily accessible impurity and
The impact elasticity of non-fragment orbit and the problem of stability.
As shown in Figures 1 to 4, in the technical scheme of the present embodiment, elastic supporting block 20 includes rest pad 21 and elasticity
Gumshoe 22, elastic shoe 22 is arranged between road bed board 10 and rest pad 21, and elastic shoe 22 is used for accommodating rest pad 21.Above-mentioned
Structure makes there is elastic component between rest pad 21 and road bed board 10, occurs relatively transporting between such rest pad 21 and road bed board 10
There is when dynamic elastic buffer effect.Specifically, the elastic shoe 22 that has between the bottom of rest pad 21 and road bed board 10 makes
Rest pad 21 and road bed board 10 have cushioning effect in the motion of upper-lower position, collision.The side of rest pad 21 and road bed board 10
Between elastic shoe 22 buffered the impulsive contact force between the side of rest pad 21 and road bed board 10.
As shown in Figures 1 to 4, in the technical scheme of the present embodiment, rest pad 21 includes the first block 211 and second piece
Body 212, the width of the first block 211 is less than the width of pockets, and the width of the second block 212 is more than the width of pockets
Degree, the second block 212 protrudes from the first block 211 to form convex edge, and the first block 211 is higher than the height of pockets.First
The width that the width of block 211 is less than pockets enables the first block 211 to put in pockets it is ensured that rest pad
21 can be stable the inside being seated in road bed board 10.The width that the width of the second block 212 is more than pockets makes second piece
The convex edge of body 212 can between rest pad 21 and road bed board 10 gap formed block, so prevent further rainwater with
And impurity etc. enters the gap between rest pad 21 and road bed board 10.First block 211 is higher than the structure of the height of pockets,
Cooperation between rest pad 21 and road bed board 10 is easier.
As shown in Figures 1 to 4, in the technical scheme of the present embodiment, the cross-sectional area of the first block 211 is trapezoidal, the
The width at one block 211 top is more than the width of the first block 211 bottom.Said structure makes the first block 211 enter appearance
Receive groove when be easier, certainly, as one skilled in the art will appreciate that said structure make the first block 211 removal hold
Receive groove when be also easier.So facilitate being easily put between rest pad 21 and pockets and take out.
As shown in Figures 1 to 4, in the technical scheme of the present embodiment, elastic shoe 22 includes base plate and side plate, and base plate sets
Put between the bottom of the first block 211 and road bed board 10, side plate be arranged on the sidepiece of the first block 211 and road bed board 10 it
Between.Said structure is easily worked, easy for installation.Specifically, base plate is slab construction, and the bottom of the first block 211 and receiving are recessed
The bottom of groove is slab construction, and such base plate is easier with the cooperation of the first block 211 and pockets.Certainly, side plate
Structure be also the structure being adapted with the side wall of the first block 211 and pockets.
As shown in Figures 1 to 4, in the technical scheme of the present embodiment, elastic shoe 22 is solid rubber or the poly- ammonia of entity
Ester.Elastic shoe 22 has the advantages that high resiliency, endurance, Low rigidity.Have inside four sides of elastic shoe 22 laterally
Or vertical groove structure further increases compressibility and the elasticity of elastic shoe 22.For example, rest pad 21 and road bed board
Between 10 occur extruding, impact force than larger when, the high resiliency of elastic shoe 22 has preferably buffered rest pad 21 and railway roadbed
Active force between plate 10.
As shown in Figures 1 to 4, in the technical scheme of the present embodiment, elastic supporting block 20 also includes resilient sleeper-bearing 23, bullet
Property backing plate 23 is arranged between the bottom surface of rest pad 21 and elastic shoe 22.Said structure one side further increases rest pad
Elastic force between 21 and road bed board 10, another aspect said structure can selectively be changed when maintenance is changed, in addition, bullet
The thickness size of property backing plate 23 can be adjusted as needed.Further, resilient sleeper-bearing 23 be channel form solid rubber or
Person's microcellular rubber or microvoid polyurethane.Channel form solid rubber or microcellular rubber or microvoid polyurethane further increase
Elasticity between rest pad 21 and road bed board 10.
As shown in Figure 1 and Figure 5, in the technical scheme of the present embodiment, elastic sealing structure 40 is gasket structure, sealing
Bar structure setting is between the convex edge of the second block 212 and road bed board 10.Said structure good sealing effect, less using material.
Specifically, elastic sealing structure 40 is made up of polysulfide material or silicone material or polyurethane material, can be prefabricated into during making
After type, bonding also can stir pearl adhering and sealing in scene.The selection of so elastic sealing structure 40 is easier to, and cost is relatively low.
As depicted in figs. 1 and 2, in the technical scheme of the present embodiment, described pockets are two, described elastic bearing
Block is and described pockets accordingly two, and described rail is and described elastic supporting block accordingly two.
Rest pad the first block 211 is up big and down small inverted trapezoidal, to take out rest pad 21, short sleeper when keeping in repair in the future
Its length, highly, width, weight and the buried depth in railway roadbed user's request all can be answered arbitrarily to adjust, to adapt to multi-form ferrum
The requirement to sleeper strength and track structure stability for the road track structure；The upper and lower of rest pad 21 has convex edge with waterproof
Or other debris are directly penetrating rubber dress boots；Sleeper passes through built-in fitting (preburied iron base, sleeve pipe or other attachment means) and fastener
System is connected, and improves ballastless track structure lateral bearing capacity；The support rail face of rest pad 21 is suitable for multi-form railway and sets
Put different gradient, be suitable for the position limiting structures such as different fastener system setting shoulder blocks simultaneously, or be not provided with any rubber tie plate under rail
Position limiting structure, the spacing main of rubber tie plate under rail provide by preburied iron base or other attachment means.Preburied iron base on sleeper,
The centrage of sleeve pipe or other attachment means can be overlapped with short sleeper centrage, or its centrage is to short sleeper centrage both sides
(inner side or outside) deviation 0～100mm about, further enhance the resistant to tipping ability of short sleeper；Rest pad 21 removes and meets commonly
Outside railway, high-speed railway, subway and light rail, still can meet Freight Car Axle Load is that 30t and above heavy haul railway non-fragment orbit circuit will
Ask, and be applied to different gauge laying 60kg/m, 68kg/m, 75kg/m or other weight shaped steel rails.
Resilient sleeper-bearing 23 adopts microporous foam structural shape.In main line railway, resilient sleeper-bearing 23 generally adopted common rubber in the past
Rubber cushion plate structure, provides elasticity by arranging groove in upper and lower surface, and in operation, pollutant are easily accessible impact bullet in groove
Property.
Elastic shoe 22 parcel rest pad 21 and resilient sleeper-bearing 23, convenient construction and maintenance, make rest pad 21 relative
There is microdisplacement in road bed board 10；The elasticity of track lateral (horizontal and vertical) is provided, makes the wheel track load can be longitudinally longer
In the range of be distributed.
Rest pad 21, resilient sleeper-bearing 23, elastic shoe 22 composition elastic supporting block, two row elastic supporting blocks put into template
Interior, casting concrete forms road bed board 10, and road bed board 10 is into a single integrated structure with elastic supporting block group.
After road bed board 10 solidification-stable, sealing strip is set in rest pad 21 surrounding, sealing strip is polysulfide material or silicone
Material or polyurethane material etc. have the material of necessarily elasticity and sealing function, contact with rest pad 21, road bed board 10, by bullet
Property gumshoe 22 exposed parts sealing, prevent pollutant enter elastic shoe 22, impact resilient sleeper-bearing 23 elasticity, and then affect
Integrally-built elastic performance and stability.Sealing strip does not interfere with rest pad 21 under stress with certain elasticity
Horizontal and vertical displacement, will not be easily damaged because of dynamic load.
In the range of tunnel portal 200m, road bed board 10 by the way of block placement, apart from tunnel portal
Beyond 200m scope, road bed board 10 is longitudinally continuous and pours.When meeting tunnel structure movement joint, it is horizontal that road bed board 10 is correspondingly arranged 20mm width
To expansion joint, expansion joint center and movement joint center alignment.Before and after expansion joint, suitably adjustment fastener nodal pitch makes expansion joint position
In elastic supporting block 20 (being made up of rest pad 21, elastic shoe 22, resilient sleeper-bearing 23, similarly hereinafter) spacing center, between fastener node
Away from adjusting range 575～650mm.Filled polyethylene cystosepiment, upper strata irrigates resin waterproof filleting glue.Apart from tunnel portal 200m
In the range of piecemeal road bed board and tunnel inverted arch backfill layer or structure base slab is connected by embedded bar.Each elastic supporting block 20
Setting one row's embedded bar in spacing, often arranges 4, positioned at elastic supporting block 20 spacing middle.Embedded bar adopts " L " shape
Shape, total height is 400mm, and the length of wherein implantation bottom tunnel structure is 200mm, and the straight segment length exposing is 100mm.Away from
Tunnel portal is more than continuous placing road bed board end inverted arch backfill layer or structure base slab implantation before and after 200m scope railway roadbed expansion joint
Eight row's spirals, often arrange four, positioned at elastic supporting block 20 middle.Made by way of implanting reinforcing bar road bed board 10 with
Portion's structure connects positive integrative-structure, strengthens the globality of rail system, stability.
It is furnished with regular reinforcement, reinforcing bar can adopt the measure such as resin steel bar or insulating coating, edge insulator, with full in road bed board 10
The technical requirements of sufficient insulation of track circuit.It is using regular reinforcement and prestress steel with particularly advantageous form as an alternative
The prestressed structure that muscle combines, can effectively prevent track plates from cracking.
The Elastic Bearing Block Track system of the application equally well adapts to for curve and Vertical Curve Section
Property.Two row's elastic supporting blocks of setting above track plates, can be adjusted in road bed board 10 manufacture process along longitudinally or horizontal
Whole, this will be very beneficial for the adaptability in different line alignment locations for the rail system.
In a kind of preferred embodiment, for 3 in Curve Segment, two row elastic supporting blocks 20 can be arranged along curve symmetric, this
When, the spacing between each elastic supporting block in string elastic supporting block 20 is more than each bullet in another row elastic supporting block
Spacing between property rest pad, so, not affecting to decrease the quantity of elastic supporting block 20 on the premise of track is stable,
And then saved cost.
When road bed board 10 manufactures, according to the setting requirements of superrelation on curve, adjust two row's elasticity of track plate top surface setting
The height of rest pad 20 sum, to realize the change of 3 in Curve Segment superelevation and rail to the requirement of adjustment it is possible to reduce later stage track essence
The workload adjusted.
Certainly, as one skilled in the art will appreciate that between string elastic supporting block 20 and another row elastic supporting block 20
Gauge be change.The use in part slacking of gauge location is suitable for this.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect：
1st, elastic supporting block locus are adjustable, beneficial to the intense adjustment of track trend.
2nd, can supporting using dissimilar fastener system, can be rail system provide preferably elasticity, simultaneously reduce steel
The accurate adjustment workload of rail.
3rd, road bed board 10 pass through implant reinforcing bar carry out spacing；" composite construction " that road bed board 10 is constituted with structure under plate,
Cancel convex gear platform, improve the application property of rail system, track structure good stability.
4th, track structure recoverability can be preferably.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of non-fragment orbit is it is characterised in that include：
Road bed board (10), described road bed board (10) has pockets；
Elastic supporting block (20), described elastic supporting block (20) is arranged on described road bed board (10)；
Rail (30), described rail (30) is arranged on described elastic supporting block (20)；
Elastic sealing structure (40), described elastic sealing structure (40) is arranged on described road bed board (10) and described elastic supporting block
(20) to seal to the gap between described road bed board (10) and described elastic supporting block (20) between.
2. non-fragment orbit according to claim 1 is it is characterised in that described elastic supporting block (20) includes rest pad (21)
With elastic shoe (22), described elastic shoe (22) is arranged between described road bed board (10) and described rest pad (21), described
Elastic shoe (22) is used for accommodating described rest pad (21).
3. non-fragment orbit according to claim 2 is it is characterised in that described rest pad (21) includes the first block (211)
With the second block (212), the width of described first block (211) is less than the width of described pockets, described second block
(212) width be more than described pockets width, described second block (212) protrude from described first block (211) with
Form convex edge, described first block (211) is higher than the height of described pockets.
4. non-fragment orbit according to claim 3 is it is characterised in that the cross-sectional area of described first block (211) is ladder
Shape, the width at described first block (211) top is more than the width of described first block (211) bottom.
5. non-fragment orbit according to claim 3 is it is characterised in that described elastic shoe (22) includes base plate and side plate,
Described base plate is arranged between bottom and the described road bed board (10) of described first block (211), and described side plate is arranged on described
Between the sidepiece of the first block (211) and described road bed board (10).
6. non-fragment orbit according to claim 2 is it is characterised in that described elastic shoe (22) is solid rubber or entity
Polyurethane.
7. non-fragment orbit according to claim 2 is it is characterised in that described elastic supporting block (20) also includes resilient sleeper-bearing
(23), described resilient sleeper-bearing (23) is arranged between the bottom surface of described rest pad (21) and described elastic shoe (22).
8. non-fragment orbit according to claim 7 is it is characterised in that described resilient sleeper-bearing (23) is channel form solid rubber
Or microcellular rubber or microvoid polyurethane.
9. non-fragment orbit according to claim 3 is it is characterised in that described elastic sealing structure (40) is tied for sealing strip
Structure, described gasket structure is arranged between convex edge and the described road bed board (10) of described second block (212).
10. non-fragment orbit according to claim 1 is it is characterised in that described elastic sealing structure (40) is by polysulfide material
Or silicone material or polyurethane material are made, can pre-formed rear bonding also can cast in situs adhering and sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935335.1A CN106400613A (en) | 2016-11-01 | 2016-11-01 | Ballastless track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935335.1A CN106400613A (en) | 2016-11-01 | 2016-11-01 | Ballastless track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106400613A true CN106400613A (en) | 2017-02-15 |
Family
ID=58013195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610935335.1A Pending CN106400613A (en) | 2016-11-01 | 2016-11-01 | Ballastless track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106400613A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109805A (en) * | 2015-01-14 | 2017-08-29 | 索纳维尔股份公司 | Sleeper module unit for railway rail system |
| CN107220453A (en) * | 2017-06-12 | 2017-09-29 | 中国铁道科学研究院铁道建筑研究所 | The method that position limiting structure bearing capacity is determined |
| CN107313313A (en) * | 2017-05-25 | 2017-11-03 | 中国铁道科学研究院铁道建筑研究所 | The framed bent construction method of prefabricated urethane cures railway roadbed |
| CN107805977A (en) * | 2017-08-30 | 2018-03-16 | 中国铁道科学研究院铁道建筑研究所 | Elastic shoe and resilient sleeper-bearing component and non-fragment orbit for non-fragment orbit |
| CN108149526A (en) * | 2017-11-06 | 2018-06-12 | 武汉三源特种建材有限责任公司 | A kind of I type double-block ballastless track bed board cracking resistance construction methods of CRTS |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205062580U (en) * | 2015-10-13 | 2016-03-02 | 衡水众鑫工程橡塑有限公司 | Elastic support structure for ballastless track is last |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205062580U (en) * | 2015-10-13 | 2016-03-02 | 衡水众鑫工程橡塑有限公司 | Elastic support structure for ballastless track is last |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109805A (en) * | 2015-01-14 | 2017-08-29 | 索纳维尔股份公司 | Sleeper module unit for railway rail system |
| CN107109805B (en) * | 2015-01-14 | 2019-12-20 | 索纳维尔股份公司 | Sleeper block unit for railway track system |
| CN107313313A (en) * | 2017-05-25 | 2017-11-03 | 中国铁道科学研究院铁道建筑研究所 | The framed bent construction method of prefabricated urethane cures railway roadbed |
| CN107313313B (en) * | 2017-05-25 | 2019-04-30 | 中国铁道科学研究院铁道建筑研究所 | The framed bent construction method of prefabricated urethane cures railway roadbed |
| CN107220453A (en) * | 2017-06-12 | 2017-09-29 | 中国铁道科学研究院铁道建筑研究所 | The method that position limiting structure bearing capacity is determined |
| CN107805977A (en) * | 2017-08-30 | 2018-03-16 | 中国铁道科学研究院铁道建筑研究所 | Elastic shoe and resilient sleeper-bearing component and non-fragment orbit for non-fragment orbit |
| CN108149526A (en) * | 2017-11-06 | 2018-06-12 | 武汉三源特种建材有限责任公司 | A kind of I type double-block ballastless track bed board cracking resistance construction methods of CRTS |
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