CN206385393U - Non-fragment orbit - Google Patents
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- CN206385393U CN206385393U CN201621165878.1U CN201621165878U CN206385393U CN 206385393 U CN206385393 U CN 206385393U CN 201621165878 U CN201621165878 U CN 201621165878U CN 206385393 U CN206385393 U CN 206385393U
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Abstract
The utility model provides non-fragment orbit, including：Road bed board, road bed board has pockets；Elastic supporting block, elastic supporting block is arranged on road bed board；Rail, rail is arranged on elastic supporting block；Elastic sealing structure, elastic sealing structure is arranged between road bed board and elastic supporting block to seal the gap between road bed board and elastic supporting block.The technical solution of the utility model efficiently solves the problem of non-fragment orbit of the prior art is easily accessible impurity and influences the elasticity and stability of non-fragment orbit.
Description
Technical field
The utility model is related to the technical field of non-fragment orbit, in particular to a kind of non-fragment orbit.
Background technology
The characteristics of structure of non-fragment orbit is with its high ride, high stability, high-durability and high reliability, is that the world is each
State's high-speed railway is received.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, rich experiences are have accumulated in terms of the research and design, construction operation in ballastless track structure.Wherein high-speed railway
The non-fragment orbit pattern of use mainly includes the types of CRTS I, the plate-types of CRTS II, double-block type, the plate-types of CRTS III and switch area
Long sleeper buried-type and plate-type ballastless track etc., current track structure have been mature on the whole, and gradually form generalized reference figure.
At present, domestic and international mixed passenger and freight railway and heavy haul railway mostly use Ballast track structure.On the one hand, domestic guest who is not a relative
The conllinear railway of goods and heavy haul railway Ballast track are with the increase year by year of freight volume, and rail, welding point and track switch hurt quantity are big
Width rises, and railway roadbed residual deformation increase, 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 circle 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
The time of domestic and international mixed passenger and freight railway and heavy haul railway maintenance is shorter, it is difficult to carry out on-call maintenance to diseases of railway line.Especially
It is in major long tunnel, and Ballast track structure supports that to repair operation more difficult.Therefore, mixed passenger and freight railway and heavy haul railway length are big
In being proposed with ballastless track structure form in 1 kilometer of tunnel.It is domestic once to carry out theory for conventional ballastless track structure
Calculate analysis, and combine different track structure own characteristics and mixed passenger and freight railway and heavy haul railway operation condition integrate pair
Than analysis.Think：(1) generally, on the premise of infrastructure meets non-fragment orbit construction conditions, various non-fragment orbits
Structure may be applicable to mixed passenger and freight railway and heavily loaded iron by adjusting pattern size, reinforcement structure arrangement of reinforcement, lifting material property
Road bearing requirements.(2) unit plate type ballastless track structure：Cement emulsified asphalt mortar under track plates, for mixed passenger and freight railway
Still required study with the adaptability of the big axle heavy train operation condition of heavy haul railway, and consider track structure in tunnel construction just
Do not have advantage using unit plate type ballastless track structure in the professional and Technical Economy of profit, maintenance, tunnel.(3)
Elastic bolster formula ballastless track structure has a small amount of laying on China's subway line, and foreign countries are also only in passenger traffic and metro operation circuit
On carried out laying, accounted for mainly as the vibration-proof structure of urban track traffic, later stage elasticity bolster rubber dress boots easily by
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, total at present
Body use state is good, but all damping properties realize that difficulty is larger by fastener system.It is directed to China's passenger-cargo co iron
Be badly in need of in road and heavy haul railway tunnel a kind of good applicability, good endurance, stronger recoverability, good workability and
Economical rationality and the non-fragment orbit form with certain damping property.
Dust and moisture can enter railway roadbed to non-fragment orbit by the gap between road bed board and elastic supporting block when in use
Between plate and elastic supporting block, the elasticity and stability of non-fragment orbit can be so influenceed.
Utility model content
Main purpose of the present utility model is to provide a kind of non-fragment orbit, held with solving non-fragment orbit of the prior art
The problem of easily entering impurity and influence the elasticity and stability of non-fragment orbit.
To achieve these goals, the utility model provides a kind of non-fragment orbit, including：Road bed board, road bed board has
Pockets；Elastic supporting block, elastic supporting block is arranged on road bed board；Rail, rail is arranged on elastic supporting block；Elasticity
Sealing structure, elastic sealing structure is arranged between road bed board and elastic supporting block between road bed board and elastic supporting block
Gap is 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 to accommodate 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
Higher than the height of pockets.
Further, the cross-sectional area of the first block is trapezoidal, and the width at the top of the first block is more than the first block bottom
Width.
Further, elastic shoe includes bottom plate and side plate, and bottom plate is arranged between the bottom of the first block and road bed board,
Side plate is arranged between the sidepiece of the first block and road bed board.
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 the convex edge and road of the second block
Between bed board.
Further, elastic sealing structure is by polysulfide material or silicone material or polyurethane material or is made, can be pre-
It is made after type that be bonded also can cast in situs adhering and sealing.
Using the technical solution of the utility model, the gap between road bed board and elastic bearing rest pad passes through elastic packing
Structure is sealed, and the impurity such as such dust or water will not be entered in non-fragment orbit due to stopping for elastic sealing structure
Portion, said structure efficiently solve non-fragment orbit of the prior art be easily accessible impurity and influence non-fragment orbit elasticity and
The problem of stability.The technical solution of the utility model efficiently solves non-fragment orbit of the prior art and is easily accessible impurity
And influence the elasticity of non-fragment orbit and the problem of stability.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the schematic cross-sectional view of the embodiment according to non-fragment orbit of the present utility model；
Fig. 2 shows the schematic top plan view of Fig. 1 non-fragment orbit；
Fig. 3 shows the structural representation of the elastic supporting block of Fig. 1 non-fragment orbit；
Fig. 4 shows the schematic cross-sectional view of Fig. 3 elastic supporting block；And
Fig. 5 shows Fig. 1 elastic supporting block and the close-up schematic view of road bed board.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
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.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
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, the and of rail 30
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.
Using the technical scheme of the present embodiment, the gap between road bed board 10 and elastic supporting block 20 passes through elastic packing knot
Structure 40 is sealed, and the impurity such as such dust or water will not be entered in non-fragment orbit due to stopping for elastic sealing structure 40
Portion, said structure efficiently solve non-fragment orbit of the prior art be easily accessible impurity and influence 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 problem of influenceing the elasticity and stability of non-fragment orbit.
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 to accommodate rest pad 21.It is above-mentioned
Structure causes flexible part between rest pad 21 and road bed board 10, occurs relative fortune between such rest pad 21 and road bed board 10
Flexible cushioning effect when dynamic.Specifically, the flexible gumshoe 22 between the bottom of rest pad 21 and road bed board 10 causes
Rest pad 21 and road bed board 10 have cushioning effect in motion, the collision of upper-lower position.The side of rest pad 21 and road bed board 10
Between elastic shoe 22 buffered 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 be put into pockets, it is ensured that rest pad
21 inside for being seated in road bed board 10 that can stablize.The width that the width of second block 212 is more than pockets causes second piece
The convex edge of body 212 can to the gap between rest pad 21 and road bed board 10 formed block, so further prevent rainwater with
And the gap that impurity etc. enters between rest pad 21 and road bed board 10.First block 211 is higher than the structure of the height of pockets,
So that the 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 be it is trapezoidal, the
The width at the top of one block 211 is more than the width of the bottom of the first block 211.Said structure causes the first block 211 entering appearance
Receive groove when be easier, certainly, as one skilled in the art will appreciate that said structure cause the first block 211 remove 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 bottom plate and side plate, and bottom plate is set
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, bottom plate is slab construction, and the bottom of the first block 211 and receiving are recessed
The bottom of groove is slab construction, and the cooperation of such bottom plate and the first block 211 and pockets is easier.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 laterally inside four sides of elastic shoe 22
Or vertical groove structure further increases the compressibility and elasticity of elastic shoe 22.For example, rest pad 21 and road bed board
The extruding that occurs between 10, impact force than it is 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.On the one hand said structure further increases rest pad
Elastic force between 21 and road bed board 10, another aspect said structure can be changed selectively when repairing and changing, 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 are further increased
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, it is 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
Be bonded after type also can scene stir pearl adhering and sealing.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, the pockets are two, the elastic bearing
Block is to be and the elastic supporting block accordingly two with pockets accordingly two, the rail.
The first block of rest pad 211 is up big and down small inverted trapezoidal, and rest pad 21, short sleeper are taken out during to repair in the future
Its length, height, width, weight and the buried depth in railway roadbed can all answer user's request arbitrarily to adjust, to adapt to multi-form iron
Requirement of the road track structure to sleeper strength and track structure stability；The upper and lower part 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 set
Different gradient is put, while being suitable for different fastener systems sets the position limiting structures such as shoulder block, or any rubber tie plate under rail is not provided with
Position limiting structure, the spacing of rubber tie plate under rail main provide by preburied iron base or other attachment means.Preburied iron base on sleeper,
Sleeve pipe or the center line of other attachment means can be overlapped with short sleeper center line, or its center line is to short sleeper center line both sides
(inner or outer side) deviates 0~100mm or so, further enhances the resistant to tipping ability of short sleeper；Rest pad 21 is common except meeting
Outside railway, high-speed railway, subway and light rail, it is that 30t and above heavy haul railway non-fragment orbit circuit will that can still meet Freight Car Axle Load
Ask, and 60kg/m, 68kg/m, 75kg/m or other weight shaped steel rail are laid suitable for different gauges.
Resilient sleeper-bearing 23 uses microporous foam structural shape.Resilient sleeper-bearing 23 generally uses common rubber in conventional main line railway
Rubber cushion plate structure, by setting groove to provide elasticity in upper and lower surface, pollutant, which is easily accessible in groove, in operation influences bullet
Property.
Elastic shoe 22 wraps up rest pad 21 and resilient sleeper-bearing 23, convenient construction and maintenance, allows rest pad 21 relative
Occurs microdisplacement in road bed board 10；The elasticity of track lateral (horizontal and vertical) is provided, makes wheel track load can be longitudinally longer
In the range of be distributed.
Rest pad 21, resilient sleeper-bearing 23, the composition elastic supporting block of elastic shoe 22, two row elastic supporting blocks are put into template
Interior, casting concrete formation road bed board 10, road bed board 10 constitutes integrative-structure with elastic supporting block.
After the solidification-stable of road bed board 10, sealing strip is set in the surrounding of rest pad 21, sealing strip is polysulfide material or silicone
Material or polyurethane material etc. have the material of certain elasticity and sealing function, are contacted with rest pad 21, road bed board 10, by bullet
Property gumshoe 22 exposed parts sealing, prevent pollutant enter elastic shoe 22, influence resilient sleeper-bearing 23 elasticity, and then influence
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 is by the way of block placement, apart from tunnel portal
Road bed board 10, which is longitudinally continuous, beyond 200m scopes pours.When meeting tunnel structure movement joint, road bed board 10 is correspondingly arranged the wide horizontal strokes of 20mm
To expansion joint, expansion joint center and movement joint center alignment.Appropriate adjustment fastener node spacing makes expansion joint position before and after expansion joint
(it is made up of in elastic supporting block 20 rest pad 21, elastic shoe 22, resilient sleeper-bearing 23, similarly hereinafter) between spacing center, fastener node
Away from 575~650mm of adjusting range.Filled polyethylene cystosepiment, upper strata perfusion 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
One row's embedded bar is set in spacing, 4 are often arranged, positioned at the spacing middle of elastic supporting block 20.Embedded bar uses " L " shape
Shape, total height is 400mm, wherein the length of implantation bottom tunnel structure is 200mm, exposed straight segment length 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 roadbeds expansion joint
Eight row's spirals, often arrange four, positioned at the middle of elastic supporting block 20.Make road bed board 10 by way of being implanted into reinforcing bar with
Portion's structure connects positive integrative-structure, strengthens the globality of rail system, stability.
It is furnished with regular reinforcement in road bed board 10, reinforcing bar can use the measure such as resin steel bar or insulating coating, edge insulator, with full
The technical requirements of sufficient insulation of track circuit.It is as an alternative to use regular reinforcement and prestress steel with particularly advantageous form
The prestressed structure that muscle is combined, effectively can prevent track plates from cracking.
The Elastic Bearing Block Track system of the application is equally well adapted to for curve and Vertical Curve Section
Property.The two row's elastic supporting blocks set above track plates, can be adjusted along longitudinal direction or horizontal in the manufacturing process of road bed board 10
Whole, this will be very beneficial for adaptability of the rail system in different line alignment locations.
In a kind of preferred embodiment, for 3 in Curve Segment, two row elastic supporting blocks 20 can be set along curve symmetric, this
When, the spacing between each elastic supporting block in a row elastic supporting block 20 is more than each bullet in another row elastic supporting block
Spacing between property rest pad, so, is not influenceing to reduce the quantity of elastic supporting block 20 on the premise of track is stable,
And then saved cost.
When road bed board 10 is manufactured, according to the setting requirements of superrelation on curve, the two rows elasticity that adjustment track plate top surface is set
The height of the sum of rest pad 20, to realize the requirement of the change of 3 in Curve Segment superelevation and rail to adjustment, it is possible to reduce later stage track essence
The workload of tune.
Certainly, as one skilled in the art will appreciate that between a row 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 utility model the above embodiments realize following technique effect：
1st, elastic supporting block locus is adjustable, the intense adjustment moved towards beneficial to track.
2nd, can supporting use different type fastener system, can be provided for rail system preferably elasticity, while reduce steel
The accurate adjustment workload of rail.
3rd, carry out of the road bed board 10 by being implanted into reinforcing bar is 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 stability is good.
4th, track structure recoverability can be preferably.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of non-fragment orbit, it is characterised in that including：
Road bed board (10), the road bed board (10) has pockets；
Elastic supporting block (20), the elastic supporting block (20) is arranged on the road bed board (10)；
Rail (30), the rail (30) is arranged on the elastic supporting block (20)；
Elastic sealing structure (40), the elastic sealing structure (40) is arranged on the road bed board (10) and the elastic supporting block
(20) to be sealed to the gap between the road bed board (10) and the elastic supporting block (20) between.
2. non-fragment orbit according to claim 1, it is characterised in that the elastic supporting block (20) includes rest pad (21)
With elastic shoe (22), the elastic shoe (22) is arranged between the road bed board (10) and the rest pad (21), described
Elastic shoe (22) is used to accommodate the rest pad (21).
3. non-fragment orbit according to claim 2, it is characterised in that the rest pad (21) includes the first block (211)
With the second block (212), the width of first block (211) is less than the width of the pockets, second block
(212) width be more than the pockets width, second block (212) protrude from first block (211) with
Convex edge is formed, first block (211) is higher than the height of the pockets.
4. non-fragment orbit according to claim 3, it is characterised in that the cross-sectional area of first block (211) is ladder
Width at the top of shape, first block (211) is more than the width of the first block (211) bottom.
5. non-fragment orbit according to claim 3, it is characterised in that the elastic shoe (22) includes bottom plate and side plate,
The bottom plate is arranged between the bottom of first block (211) and the road bed board (10), and the side plate is arranged on described
Between the sidepiece and the road bed board (10) of first block (211).
6. non-fragment orbit according to claim 2, it is characterised in that the elastic shoe (22) is solid rubber or entity
Polyurethane.
7. non-fragment orbit according to claim 2, it is characterised in that the elastic supporting block (20) also includes resilient sleeper-bearing
(23), the resilient sleeper-bearing (23) is arranged between the bottom surface of the rest pad (21) and the elastic shoe (22).
8. non-fragment orbit according to claim 7, it is characterised in that the resilient sleeper-bearing (23) is channel form solid rubber
Or microcellular rubber or microvoid polyurethane.
9. non-fragment orbit according to claim 3, it is characterised in that the elastic sealing structure (40) is sealing strip knot
Structure, the gasket structure is arranged between the convex edge of second block (212) and the road bed board (10).
10. non-fragment orbit according to claim 1, it is characterised in that the elastic sealing structure (40) is by polysulfide material
Or silicone material or polyurethane material are made, pre-formed also cast in situs adhering and sealing can be bonded afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621165878.1U CN206385393U (en) | 2016-11-01 | 2016-11-01 | Non-fragment orbit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621165878.1U CN206385393U (en) | 2016-11-01 | 2016-11-01 | Non-fragment orbit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206385393U true CN206385393U (en) | 2017-08-08 |
Family
ID=59486369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621165878.1U Active CN206385393U (en) | 2016-11-01 | 2016-11-01 | Non-fragment orbit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206385393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755282A (en) * | 2018-06-14 | 2018-11-06 | 宋会茹 | High ferro damping non-fragment orbit in a kind of tunnel |
| CN110541329A (en) * | 2019-08-13 | 2019-12-06 | 中铁六局集团有限公司 | construction method of ballastless track of heavy haul railway tunnel group |
-
2016
- 2016-11-01 CN CN201621165878.1U patent/CN206385393U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755282A (en) * | 2018-06-14 | 2018-11-06 | 宋会茹 | High ferro damping non-fragment orbit in a kind of tunnel |
| CN108755282B (en) * | 2018-06-14 | 2019-11-15 | 福州鑫厦鑫计算机有限公司长乐区分公司 | High-speed rail damping non-fragment orbit in a kind of tunnel |
| CN110541329A (en) * | 2019-08-13 | 2019-12-06 | 中铁六局集团有限公司 | construction method of ballastless track of heavy haul railway tunnel group |
| CN110541329B (en) * | 2019-08-13 | 2022-02-18 | 中铁六局集团有限公司 | Construction method of ballastless track of heavy haul railway tunnel group |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180411 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee after: China Academy of Railway Sciences Patentee after: Railway Construction Institute of China Academy of Railway Sciences Co-patentee after: CHINA RAILWAY CORPORATION Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee before: China Academy of Railway Sciences Patentee before: Railway Construction Institute of China Academy of Railway Sciences |
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