CN112211037B - Ballast track with adjustable rigid foundation and sleeper thereof - Google Patents
Ballast track with adjustable rigid foundation and sleeper thereof Download PDFInfo
- Publication number
- CN112211037B CN112211037B CN202010917222.5A CN202010917222A CN112211037B CN 112211037 B CN112211037 B CN 112211037B CN 202010917222 A CN202010917222 A CN 202010917222A CN 112211037 B CN112211037 B CN 112211037B
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- track
- sleeper
- adjustable
- foundation
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- 241001669679 Eleotris Species 0.000 title claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000872 buffer Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 2
- 239000012634 fragment Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 21
- 230000007547 defect Effects 0.000 abstract description 12
- 201000010099 disease Diseases 0.000 abstract description 9
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/001—Track with ballast
-
- 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
- E01B1/008—Drainage of track
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Railway Tracks (AREA)
Abstract
The invention relates to a ballast track with adjustable rigid foundation and a sleeper thereof, which comprises a rigid foundation, wherein a transverse ballast track sleeper with adjustable rigid foundation is arranged above the rigid foundation; the ballast track sleeper with the adjustable rigid foundation and the ballast bed of the gravel track are formed by backfilling gravel around the rigid foundation. The invention keeps the advantages of the traditional ballast and ballastless track, overcomes the defects of the traditional ballast and ballastless track, namely overcomes the problems of small adjustment amount and large rigidity of the complete granular foundation structure of the traditional ballast track and the matched fastener of the ballast sleeper, and has the defects of difficult long-term maintenance of the geometric shape and position of the line, low smoothness, short disease generation period, large maintenance workload and high maintenance cost; the defects that a ballastless track is completely cast in place of a foundation structure, the adaptability of an off-line foundation is poor, the repairing time is long when the damage is caused, and the disease is difficult to cure are overcome, and the durability of a track system is integrally improved.
Description
Technical Field
The invention belongs to the field of rail engineering, and particularly relates to a ballast rail with an adjustable rigid foundation and a sleeper thereof.
Background
The common track structure forms of the high-speed railway in China comprise two types, namely a ballastless track and a ballast track, the ballast track is mainly used for designing the line with the speed of 250 km/h and below, and the ballastless track is mainly used for designing the line with the speed of more than 250 km/h. The two structures have the advantages and the disadvantages, and mainly comprise the following components:
1. the ballast track has the advantages that: the method has the advantages of low initial construction cost, short construction period, short repair time in damage, strong adaptability to the foundation under the line and simple and quick adjustment of the geometric state.
2. The ballast track has the following defects: the geometric shape and position of the line are difficult to maintain for a long time, the smoothness is not high, the disease occurrence period is short, the maintenance workload is large, and the maintenance cost is high.
3. The ballastless track has the advantages that: good stability, smoothness and durability, slow deformation of the track and less maintenance workload.
4. The ballastless track has the following defects: the initial construction cost is high, the adaptability to the foundation under the line is poor, the repair time is long when the damage is caused, and the disease is difficult to cure.
In addition, the ballastless double-block type sleeper and the ballasted prestressed concrete sleeper used in the prior railway have the following problems in the adjustable ballasted track with a rigid foundation:
1. the double-block ballastless sleeper is a non-prestressed sleeper with an exposed travelling frame, and the travelling frame directly acts on a rigid foundation, can generate large deformation under the action of train load and cannot be applied.
2. The ballast prestressed sleeper is adopted, the adjusting amount of the fastener matched with the ballast prestressed sleeper is small, and the fastener adjusting amount does not meet the requirement of fine adjustment of a track when the fastener is used on a ballast track with an adjustable rigid foundation.
3. The ballast prestressed sleeper is adopted, the bottom surface of the sleeper is in rigid contact with the rigid foundation, and the contact surface of the rigid foundation and the sleeper is damaged under the action of long-term train load, so that the durability of a track bed structure is influenced.
Disclosure of Invention
The invention aims to provide a ballast track with an adjustable rigid foundation and a sleeper thereof, which keep the advantages of the traditional ballast and ballastless tracks and overcome the defects of the traditional ballast and ballastless tracks, namely overcome the problems of small adjustment amount and large rigidity of a complete granular foundation structure of the traditional ballast track and a fastener matched with the ballast sleeper, and have the defects of difficult long-term maintenance of the geometric shape and position of a line, low smoothness, short disease occurrence period, large maintenance workload and high maintenance cost; the defects that the ballastless track is completely cast in place of a foundation structure, the adaptability of the off-line foundation is poor, the repairing time is long when the damage is caused, and the disease is difficult to cure are overcome.
The technical scheme adopted by the invention is as follows:
there is tiny fragments of stone, coal, etc. track with adjustable rigidity basis, its characterized in that:
the track structure comprises a rigid foundation, a transverse rigid foundation adjustable ballast track sleeper is arranged above the rigid foundation, and a steel rail is installed above the rigid foundation adjustable ballast track sleeper through a low-rigidity fastener;
the ballast track sleeper with the adjustable rigid foundation and the ballast track bed with the adjustable rigid foundation are formed by filling crushed stones around the rigid foundation.
The rigid foundation is longitudinally arranged in sections, and transverse gaps are reserved among the sections to form transverse drainage grooves.
The rigid foundation is formed by cast-in-place hydraulic mixture or low-plasticity concrete.
Gravel filled in the range of the ballast track sleeper with the adjustable rigid foundation is filled to a position 40-60 mm below a rail bearing surface of the ballast track sleeper with the adjustable rigid foundation;
and filling broken stones on two sides of the ballast track sleeper with the adjustable rigid foundation to the sleeper shoulder of the ballast track sleeper with the adjustable rigid foundation.
The transverse drainage channel is filled with the gravels backfilled around the rigid foundation.
The ballast track sleeper with the adjustable rigid foundation is of a prestressed reinforced concrete structure, and the internal reinforcing bars comprise prestressed longitudinal bars and stirrups;
the top surface of the ballast track sleeper with the adjustable rigid foundation is provided with a track bearing platform, and the bottom surface is provided with an elastic buffer material.
The top surface of the ballast track sleeper with the adjustable rigid foundation is provided with an embedded sleeve, and a hole is formed in the position, corresponding to the embedded sleeve, of the rail bearing platform and is inserted and fixed.
Spiral steel bars are arranged outside the embedded sleeves.
Installing a steel rail on a rail bearing platform through a low-rigidity fastener above the ballast track sleeper with the adjustable rigid foundation;
the low-rigidity fastener realizes low rigidity by adopting the rigidity of an elastic base plate under an iron base plate of the fastener; the static rigidity of the elastic base plate is divided into 30-40 kN/mm of passenger and freight transportation and 20-30 kN/mm of passenger transportation.
The ballast track sleeper with the adjustable rigid foundation is cast on the rigid foundation in situ.
The invention has the following advantages:
1. the invention overcomes the defects of the existing high-speed ballasted track and ballastless track, combines the advantages of the ballasted track and the ballastless track to form a rigid-foundation adjustable ballasted track structure, overcomes the defects of difficult long-term maintenance of the geometric shape and position of the traditional ballasted track, low smoothness, short disease generation period, large maintenance workload and high maintenance cost, and also overcomes the defects of high initial investment cost, poor adaptability to the foundation under the line, long repair time when damaged and difficult disease treatment of the ballastless track.
2. The low-rigidity fastener is adopted, and the vertical rigidity of the track system is completely realized by the low-rigidity fastener.
3. According to the invention, the rigid foundation adjustable ballast track is adopted, the rail bearing platform and the fastener embedded sleeve of the prestressed reinforced concrete ballast sleeper are matched with the low-rigidity fastener, and the vertical rigidity of the rigid foundation adjustable ballast track system is ensured to be the same as that of the traditional ballastless track. The maintenance and repair operation of the sleeper in the transportation, laying and operation periods is met; the ballastless fastener with large horizontal and height adjustment quantity is matched, and the fine adjustment operation and the maintenance adjustment in the operation period of the track structure under the rigid foundation condition are met; elastic buffer materials are coated at the bottom of the sleeper, and the durability of the track structure is improved.
4. The invention adopts a rigid foundation formed by casting hydraulic mixture or low-plasticity concrete under a ballast track with adjustable rigid foundation, and the ballast track with adjustable rigid foundation is positioned on the rigid foundation, so that the ballast track with adjustable rigid foundation has high smoothness, high stability and high durability of the traditional ballastless track.
5. The invention adopts the ballast bed of the gravel, which is formed by filling gravel on the periphery of the sleeper and the cast-in-place rigid foundation, and the filled gravel is tamped compactly, thereby providing longitudinal and transverse ballast bed resistance for the track panel frame. When the vertical deformation of the offline foundation exceeds the adjustment amount of the fastener, the height of the track structure can be adjusted to the design height by replacing sleepers with different heights; when the lateral deformation of the off-line foundation exceeds the adjustment amount of the fastener, the track direction can be adjusted to a design value by using a large machine.
Drawings
FIG. 1 is a plan view of a track;
FIG. 2 is a cross-sectional view of a rail;
FIG. 3 is a cross-sectional view of a rail;
FIG. 4 is a plan view of a tie;
FIG. 5 is a cross-sectional view of a sleeper;
FIG. 6 is a cross-sectional view of a sleeper;
FIG. 7 is a plan view of a tie reinforcement;
FIG. 8 is a cross-sectional view of a tie reinforcement;
fig. 9 is a cross-sectional view of a tie reinforcement.
The labels in the figure are:
1. the method comprises the following steps of (1) steel rails, 2 low-rigidity fasteners, 3. ballast track sleepers with adjustable rigid foundations, 4. rigid foundations, 5. ballast track beds of gravel tracks, and 6. transverse drainage channels;
11. the steel plate comprises a rail bearing platform, 12 parts of retaining shoulders, 13 parts of elastic buffer materials, 14 parts of prestressed longitudinal bars, 15 parts of stirrups, 16 parts of embedded sleeves and 17 parts of spiral steel bars.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
The invention relates to a rigid foundation adjustable ballast track, which comprises a rigid foundation 4, wherein a transverse rigid foundation adjustable ballast track sleeper 3 is arranged above the rigid foundation 4, and a steel rail 1 is arranged above the rigid foundation adjustable ballast track sleeper 3 through a low-rigidity fastener 2; and gravel is filled around the ballast track sleeper 3 with the adjustable rigid foundation and the rigid foundation 4 to form a gravel ballast track bed 5.
The rigid foundation 4 is longitudinally arranged in sections, and transverse gaps are reserved among the sections to form transverse drainage grooves 6.
The rigid foundation 4 is a foundation formed by cast-in-place hydraulic mixture or low-plasticity concrete.
Gravel filled in the range of the ballast track sleeper 3 with the adjustable rigid foundation is filled to a position 40-60 mm below the rail bearing surface of the ballast track sleeper 3 with the adjustable rigid foundation; and filling broken stones on two sides of the ballast track sleeper 3 with the adjustable rigid foundation to the sleeper shoulder of the ballast track sleeper 3 with the adjustable rigid foundation. The transverse drainage grooves 6 are filled with gravels backfilled around the rigid foundation 4.
The rigid foundation adjustable ballast track sleeper suitable for the rigid foundation adjustable ballast track is a prestressed reinforced concrete structure, is cast on the rigid foundation 4 in situ, is not limited by the longitudinal and transverse directions of the rigid foundation 4, adopts the prestressed structure to ensure that the sleeper has the characteristics of high strength, large rigidity, strong durability and fatigue resistance and the like, and can be well suitable for the rigid foundation adjustable ballast track construction process and the maintenance and repair method. The internal reinforcing bars of the prestressed structure comprise prestressed longitudinal bars 14 and stirrups 15; the top surface of the ballast track sleeper 3 with the adjustable rigid foundation is provided with a track bearing platform 11, and the bottom surface is provided with an elastic buffer material 13. The elastic buffer material is coated at the bottom of the sleeper, and the elastic buffer material coated at the bottom of the sleeper is a high-molecular elastic material, so that the sleeper has the characteristics of high rigidity, low elasticity, wear resistance, aging resistance, corrosion resistance and high durability, effectively buffers the wheel-rail acting force transmitted to the rigid supporting layer through the sleeper, and improves the durability of a rail system.
The top surface of the ballast track sleeper 3 with the adjustable rigid foundation is provided with an embedded sleeve 16, and a hole is formed in the position, corresponding to the embedded sleeve 16, of the rail bearing platform 11 and is inserted and fixed. Spiral steel bars 17 are arranged outside the embedded sleeves 16.
A steel rail 1 is arranged on a rail bearing platform 11 through a low-rigidity fastener 2 above a ballast track sleeper 3 with an adjustable rigid foundation; the low-rigidity fastener 2 realizes low rigidity by adopting the rigidity of an elastic base plate under an iron base plate of the fastener; the static rigidity of the elastic base plate is divided into 30-40 kN/mm of passenger and freight transportation and 20-30 kN/mm of passenger transportation. The ballastless fastener is innovatively applied to the ballasted prestressed concrete sleeper, and the ballasted track structure has the same large adjustment amount of the fastener and the same system rigidity as the ballastless track on the fastener system.
The improved structure is characterized in that the low-rigidity fastener is installed on the ballasted prestressed sleeper, the rigid foundation adjustable ballasted track sleeper is cast on the rigid foundation in situ, and the vertical design concept of the track is the same as that of a ballastless track, so that the structure has the characteristics of good stability, smoothness, durability and the like of the ballastless track; meanwhile, the ballast is filled around the sleeper and the cast-in-place rigid foundation, the ballast is tamped compactly, the longitudinal and transverse design concept of the track is the same as that of the ballast track, and the sleeper with different design heights can be replaced for adjustment when the foundation under the track is greatly deformed, so that the characteristics of short repair time, strong adaptability to the foundation under the track, high mechanical maintenance efficiency, simple and quick adjustment of the geometric state and the like when the ballast track is damaged are reserved. The ballastless track has the advantages of ballastless tracks and ballastless tracks, and the defects of ballastless tracks and ballastless tracks are eliminated.
The low-rigidity fastener is vertical high rigidity relative to a traditional ballast fastener system, and the vertical rigidity of the track system is completely realized by the low-rigidity fastener.
The ballast track sleeper with the adjustable rigid foundation is characterized in that a rail bearing platform and a fastener embedded sleeve of the prestressed ballast track sleeper are matched with a low-rigidity fastener, and the vertical rigidity of a ballast track system with the adjustable rigid foundation is guaranteed to be the same as that of a traditional ballastless track. The sleeper main body adopts a prestressed reinforced concrete structure, is matched with a large-adjustment-amount ballastless fastener, and is coated with an elastic buffer material at the bottom of the sleeper. The ballastless fastener can be well suitable for a rigid foundation adjustable ballasted track, the ballastless fastener can improve the adaptability of a track structure to an underground foundation, and the track construction difficulty is reduced; the elastic buffer material coated on the sleeper bottom can effectively prolong the service life of the sleeper and the rigid foundation, improve the durability of a track system and greatly reduce the maintenance cost in the operation period.
The rigid foundation is formed by casting hydraulic mixture or low-plasticity concrete under the ballast track sleeper with the adjustable rigid foundation, and the ballast track sleeper with the adjustable rigid foundation is positioned on the rigid foundation, so that the ballast track with the adjustable rigid foundation has high smoothness, high stability and high durability of the traditional ballastless track.
The gravel ballast track bed is formed by filling gravel ballasts on the periphery of a sleeper and a cast-in-place rigid foundation and provides longitudinal and transverse track bed resistance for a track panel frame. When the vertical deformation of the offline foundation exceeds the adjustment amount of the fastener, the height of the track structure can be adjusted by replacing sleepers with different heights; when the lateral deformation of the off-line foundation exceeds the adjustment amount of the fastener, the track direction can be adjusted to a design value by using a large machine.
According to the invention, the combined design of the low-rigidity fastener, the rigid foundation adjustable ballast track sleeper, the cast-in-place rigid foundation and the gravel bed is adopted, so that compared with a ballastless track, the adaptability of the track structure to the offline foundation is improved, the requirement on the settlement control of the offline foundation can be properly reduced, and the offline engineering investment is saved; the operation, maintenance and repair difficulty of the disease area is reduced, and the maintenance and repair cost is saved; only one-time cast-in-place adjusting layer process is adopted, the field construction speed is improved, and a certain construction period is saved. Compared with a ballast track, the smoothness, the stability and the durability of a track structure are improved, the problem that a ballast track bed is deteriorated too fast under the condition of a high-speed train is solved, and the maintenance and maintenance cost in the operation period is greatly reduced.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (9)
1. There is tiny fragments of stone, coal, etc. track with adjustable rigidity basis, its characterized in that:
the track structure comprises a rigid foundation (4), a transverse rigid foundation adjustable ballast track sleeper (3) is arranged above the rigid foundation (4), and a steel rail (1) is installed above the rigid foundation adjustable ballast track sleeper (3) through a low-rigidity fastener (2);
the periphery of the rigid foundation (4) and the adjustable ballast track sleeper (3) with the rigid foundation is filled with gravels to form a gravel ballast track bed (5); the ballast track sleeper (3) with the adjustable rigid foundation is of a prestressed reinforced concrete structure and is cast on the rigid foundation (4) in a cast-in-place mode, and the internal reinforcing bars comprise prestressed longitudinal bars (14) and stirrups (15).
2. The ballast track with adjustable rigid foundation of claim 1, wherein:
the rigid foundation (4) is longitudinally arranged in sections, and transverse gaps are reserved among the sections to form transverse drainage grooves (6).
3. The ballast track with adjustable rigid foundation of claim 2, wherein:
the rigid foundation (4) is a foundation formed by cast-in-place hydraulic mixture or low-plasticity concrete.
4. The ballast track with adjustable rigid foundation of claim 3, wherein:
gravel filled in the range of the ballast track sleeper (3) with the adjustable rigid foundation is filled to a position 40-60 mm below the track bearing surface of the ballast track sleeper (3) with the adjustable rigid foundation;
and filling broken stones on two sides of the ballast track sleeper (3) with the adjustable rigid foundation to the sleeper shoulder of the ballast track sleeper (3) with the adjustable rigid foundation.
5. The ballast track with adjustable rigid foundation of claim 4, wherein:
the transverse drainage groove (6) is filled with gravels backfilled around the rigid foundation (4).
6. The ballast track with adjustable rigid foundation of claim 5, wherein:
the top surface of the ballast track sleeper (3) with the adjustable rigid foundation is provided with a track bearing platform (11), and the bottom surface is provided with an elastic buffer material (13).
7. The ballast track with adjustable rigid foundation of claim 6, wherein:
an embedded sleeve (16) is arranged on the top surface of the ballast track sleeper (3) with the adjustable rigid foundation, and a hole is formed in the position, corresponding to the embedded sleeve (16), of the rail bearing platform (11) and is inserted and fixed.
8. The ballast track with adjustable rigid foundation of claim 7, wherein:
spiral steel bars (17) are arranged outside the embedded sleeves (16).
9. The ballast track with adjustable rigid foundation of claim 8, wherein:
a steel rail (1) is arranged on a rail bearing platform (11) through a low-rigidity fastener (2) above a ballast track sleeper (3) with an adjustable rigid foundation;
the low-rigidity fastener (2) realizes low rigidity by adopting the rigidity of an elastic base plate under an iron base plate of the fastener; the static rigidity of the elastic base plate is divided into 30-40 kN/mm of passenger and freight transportation and 20-30 kN/mm of passenger transportation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010917222.5A CN112211037B (en) | 2020-09-03 | 2020-09-03 | Ballast track with adjustable rigid foundation and sleeper thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010917222.5A CN112211037B (en) | 2020-09-03 | 2020-09-03 | Ballast track with adjustable rigid foundation and sleeper thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112211037A CN112211037A (en) | 2021-01-12 |
| CN112211037B true CN112211037B (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010917222.5A Active CN112211037B (en) | 2020-09-03 | 2020-09-03 | Ballast track with adjustable rigid foundation and sleeper thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113338084B (en) * | 2021-07-13 | 2024-02-09 | 武汉坤能轨道系统技术有限公司 | Failure remediation method suitable for pillow-free ballast bed direct-buried base plate |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131896Y (en) * | 1992-09-26 | 1993-05-05 | 呼和浩特铁路局物资工业处 | Broad gauge pre-stressed reinforce concrete rail bearing |
| DE4313105A1 (en) * | 1993-04-22 | 1994-11-03 | Walter Bau Ag | Method for producing a ballastless track superstructure and a track superstructure produced according to the method |
| CN201678905U (en) * | 2010-04-08 | 2010-12-22 | 中铁二院工程集团有限责任公司 | Ballastless track structure without base |
| CN201915298U (en) * | 2010-12-17 | 2011-08-03 | 中国铁道科学研究院铁道建筑研究所 | Elastic sleeper-type ballastless track |
| CN202081347U (en) * | 2011-04-11 | 2011-12-21 | 中国铁道科学研究院金属及化学研究所 | Elastic tie plate used for track plate and track with elastic tie plate |
| DE102011051615A1 (en) * | 2011-07-06 | 2013-01-10 | Rte Technologie Gmbh | Transition between two track sections |
| CN202401350U (en) * | 2011-12-21 | 2012-08-29 | 湖北航天化学技术研究所 | Resilient tie pad for rail fastener |
| CN204959483U (en) * | 2015-09-17 | 2016-01-13 | 铁道第三勘察设计院集团有限公司 | Tram ballastless track is short sleeper of concrete for system |
| CN205276064U (en) * | 2015-11-26 | 2016-06-01 | 中铁第一勘察设计院集团有限公司 | Short sleeper of elastic supporting block formula of cover high rubber overshoes |
| CN106436495A (en) * | 2016-11-21 | 2017-02-22 | 中铁第勘察设计院集团有限公司 | Wide sleeper plate sticking type ballast track |
| CN107366200B (en) * | 2017-08-03 | 2023-08-15 | 华东交通大学 | Particle damping energy-dissipation vibration reduction ballast pad |
| CN209323266U (en) * | 2018-08-30 | 2019-08-30 | 广州地铁设计研究院股份有限公司 | A kind of ballastless track long sleeper suitable for urban track traffic |
| CN209798444U (en) * | 2019-02-21 | 2019-12-17 | 中铁第一勘察设计院集团有限公司 | Truss sleeper type ballastless track for ultra-large-gradient toothed rail railway |
| CN210031353U (en) * | 2019-04-29 | 2020-02-07 | 中铁第一勘察设计院集团有限公司 | Continuous ballastless track structure on toothed rail railway bridge |
| CN110939017A (en) * | 2019-12-13 | 2020-03-31 | 西南交通大学 | A kind of elastic prefabricated assembled plate ballast track |
-
2020
- 2020-09-03 CN CN202010917222.5A patent/CN112211037B/en active Active
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| CN112211037A (en) | 2021-01-12 |
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