CN115613398B - Prefabricated track structure for track traffic built-in pump house section and construction method - Google Patents
Prefabricated track structure for track traffic built-in pump house section and construction method Download PDFInfo
- Publication number
- CN115613398B CN115613398B CN202211030155.0A CN202211030155A CN115613398B CN 115613398 B CN115613398 B CN 115613398B CN 202211030155 A CN202211030155 A CN 202211030155A CN 115613398 B CN115613398 B CN 115613398B
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- prefabricated
- track
- shaped
- shaped track
- slab
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Classifications
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- 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
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
- E01B1/004—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with prefabricated elements embedded in fresh concrete or asphalt
-
- 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
- E01B2/00—General structure of permanent way
- E01B2/003—Arrangement of tracks on bridges or in tunnels
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/005—Making of concrete parts of the track in situ
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Road Paving Structures (AREA)
Abstract
The track structure sequentially comprises steel rails, fasteners, prefabricated I-shaped track plates and filling adjustment layers from top to bottom, wherein the steel rails are fixed on the upper surfaces of the prefabricated I-shaped track plates through the fasteners on two sides, the filling adjustment layers are arranged below the prefabricated I-shaped track plates, the prefabricated I-shaped track plates comprise a track bearing table and prefabricated plates, the track bearing table and the prefabricated plates are integrally formed, the plane of the prefabricated I-shaped track plates is of an I-shaped structure, and the middle of the prefabricated I-shaped track plates is connected by a cross beam; therefore, the invention is used in the field of rail transit, replaces the traditional cast-in-situ built-in pump house track bed, has the characteristics of simple construction process, high construction speed, high construction precision, low labor intensity, good aesthetic property, good durability and the like, accords with the current direction of environmental protection, high efficiency and disease reduction of rail transit, and has huge social benefit.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a prefabricated rail structure for a built-in pump house section of rail transit and a construction method.
Background
The track traffic built-in pump house section is mainly characterized in that a cast-in-place concrete track bed is adopted at present, the problems of poor construction quality, large labor consumption, low construction speed, poor reservation precision of a water pipe, frequent accumulated water, generally poor durability of the track bed, easy occurrence of block dropping, cracks and void of the track bed, large maintenance workload after operation and the like exist.
Therefore, in view of the above-mentioned drawbacks, the designer of the present invention, through intensive research and design, combines the experience and achievement of related industries engaged in for a long period of time, and researches and designs a prefabricated track structure for a built-in pump house section of track traffic and a construction method thereof, so as to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a prefabricated track structure for a track traffic built-in pump house section and a construction method, which can effectively solve the technical problems: the existing cast-in-place track structure of the built-in pump house section has the problems of poor construction quality, large labor consumption, low construction speed and the like, and due to poor reservation precision of the water pipe, water accumulation often occurs, so that the durability of the ballast bed is generally poor, diseases such as block dropping, cracks and void easily occur, and the maintenance workload is large after operation.
In order to achieve the above purpose, the invention discloses a prefabricated track structure for a built-in pump house section of track traffic, which sequentially comprises steel rails, fasteners, prefabricated I-shaped track plates and filling adjustment layers from top to bottom, wherein the steel rails are fixed on the upper surfaces of the prefabricated I-shaped track plates through the fasteners on two sides, and the filling adjustment layers are arranged below the prefabricated I-shaped track plates, and the prefabricated I-shaped track structure is characterized in that:
the prefabricated I-shaped track slab comprises a track bearing table and a prefabricated slab, wherein the track bearing table and the prefabricated slab are integrally formed, the plane of the prefabricated I-shaped track slab is of an I-shaped structure, the middle of the prefabricated I-shaped track slab is connected by a cross beam, two ends of the middle cross beam are provided with U-shaped openings, so that a U-shaped water collecting pit in the middle is formed, the section of the prefabricated I-shaped track slab is polygonal, the lower surfaces of two sides of the prefabricated I-shaped track slab are provided with slope structures for enhancing adaptability to the section of a tunnel, and a filling adjusting layer is filled between the bottom of the prefabricated I-shaped track slab and a shield segment.
Wherein: and hoisting sleeves are respectively arranged on the plate sides of the prefabricated I-shaped track plates.
Wherein: the top surface of the U-shaped opening of the prefabricated I-shaped track plate is provided with a ditch cover plate for people walking on a patrol road or people evacuation under emergency.
Wherein: and sealing waterproof materials are arranged at the joint of the prefabricated I-shaped track plate and the filling adjusting layer and the joint of the filling adjusting layer and the shield segment for sealing.
Wherein: the bottom of the filling adjusting layer below the middle cross beam of the prefabricated I-shaped track slab is embedded with a water passing pipe so that all U-shaped water collecting pits are communicated with each other.
Wherein: reinforcing steel bars are reserved or implanted at the bottom of the prefabricated I-shaped track plate.
Wherein: the filling adjustment layer is made of steel fiber fine stone concrete, self-compacting concrete or special mortar.
Wherein: the water passing pipe is round or polygonal.
The construction method of the prefabricated track structure for the track traffic built-in pump house section is also disclosed, and is characterized by comprising the following steps:
step one: prefabricating an I-shaped track slab, finishing track slab grinding tool processing, steel bar binding and precast slab concrete pouring in a factory, and carrying out track slab curing after prefabrication is finished to form a high-precision prefabricated I-shaped track slab;
step two: transporting and hoisting, namely transporting the prefabricated I-shaped track slabs to a track laying operation surface and then coarsely placing the prefabricated I-shaped track slabs;
step three: finely adjusting the prefabricated I-shaped track plate;
positioning and fixing the prefabricated I-shaped track plate, and supporting and fixing the prefabricated I-shaped track plate which is finely adjusted in place by adopting a frame plate bracket;
step five: binding reinforcing steel bars and embedding a water passing pipe;
step six: the periphery of the pump pit with the built-in track plate bottom is provided with templates;
step seven: filling and curing the concrete of the filling and adjusting layer;
step eight: installing a fastener;
step nine: installing a steel rail;
step ten: and (5) auxiliary construction.
From the above, the prefabricated track structure for the track traffic built-in pump house section and the construction method of the invention have the following effects:
1. the prefabricated I-shaped track slab and the construction method of the track bed built-in pump house section greatly reduce the steel bar binding and concrete pouring quantity.
2. The method has the characteristics of simple construction process, low labor intensity, high construction precision, high construction efficiency, good durability and the like, and solves the problems of the track structure of the cast-in-situ built-in pump room.
3. Can effectively replace the traditional cast-in-situ built-in pump house track bed, accords with the current direction of environmental protection, high efficiency and disease reduction of rail transit, and has huge social benefit.
The details of the present invention can be found in the following description and the accompanying drawings.
Drawings
Fig. 1 shows a front view of a prefabricated track structure for a track traffic built-in pump house segment according to the present invention.
Fig. 2 shows a top view of the present invention.
Detailed Description
Referring to fig. 1 and 2, a prefabricated track structure for a track traffic built-in pump house segment of the present invention is shown.
The prefabricated track structure for the track traffic built-in pump house section sequentially comprises a steel rail 1, a fastener 2, a prefabricated I-shaped track plate 3 and a filling adjustment layer 7 from top to bottom, wherein the steel rail 1 is fixed on the upper surface of the prefabricated I-shaped track plate 3 through the fasteners 2 on two sides, the filling adjustment layer 7 is arranged below the prefabricated I-shaped track plate 3, the prefabricated I-shaped track plate 3 comprises a track bearing table and a prefabricated plate, the track bearing table and the prefabricated plate are integrally formed, the plane of the prefabricated I-shaped track plate 3 is of an I-shaped structure (as shown in a top view of fig. 2), the prefabricated I-shaped track plate is connected with the middle through a cross beam, two ends of the middle cross beam are provided with U-shaped openings, so that a U-shaped water collecting pit 8 in the middle is formed, the cross section of the prefabricated I-shaped track plate 3 is polygonal, and inclined slope structures are arranged on the lower surfaces on two sides, so that the adaptability to the tunnel cross section is enhanced.
The prefabricated I-shaped track boards 3 are connected through the cross beams, the appearance is similar to an I shape, the filling adjusting layer 7 is only poured at the lower part of the I-shaped structure, and the filling adjusting layer is not poured in the U-shaped opening range of the two ends of the cross beams, so that equipment such as a water pump and the like can be arranged in the U-shaped structure range.
And a filling adjustment layer 7 is poured between the bottom of the prefabricated I-shaped track plate 3 and the shield segment, and the filling adjustment layer 7 is made of steel fiber fine stone concrete.
Wherein, the board side of prefabricated I shape track board 3 is provided with respectively lifts by crane sleeve pipe 5 to be used for fixed prefabricated I shape track board 3.
The top surface of the U-shaped opening of the prefabricated I-shaped track plate 3 is provided with a ditch cover plate 4 for walking of patrol staff or evacuation of staff in emergency.
The joint of the prefabricated I-shaped track plate 3 and the filling adjusting layer 7 and the joint of the filling adjusting layer 7 and the shield segment are provided with sealing waterproof materials 6 for sealing.
The bottom of the filling adjusting layer 7 below the middle cross beam of the prefabricated I-shaped track slab 3 is pre-embedded with a water passing pipe 9, so that the U-shaped water collecting pits 8 are communicated with each other.
Reinforcing steel bars can be reserved or implanted in the range of the shield segment at the bottom of the prefabricated I-shaped track plate 3, and connectivity of a ballast bed and the shield segment is enhanced.
Wherein, the filling adjustment layer can be made of steel fiber fine stone concrete, self-compacting concrete, special mortar and other materials with better fluidity.
Wherein, the board side or the board upper surface of the prefabricated I-shaped track board 3 is provided with a device such as a lifting sleeve for lifting or fixing the track board.
Wherein the water passing pipe can be round or polygonal.
The invention relates to a construction method of a prefabricated track structure for a track traffic built-in pump house section, which mainly comprises the following steps:
step one: the prefabricated I-shaped track plate 3 is prefabricated. Finishing machining of a rail plate grinding tool, binding of reinforcing steel bars and concrete pouring of a precast slab in a factory, and curing of the rail plate after the prefabrication is finished, so that the high-precision precast I-shaped rail plate 3 is formed.
Step two: and (5) transporting and hoisting. And conveying the prefabricated I-shaped track plate 3 to a construction site by adopting an automobile, conveying the prefabricated I-shaped track plate 3 to a rail laying operation surface by adopting a plate conveying vehicle, and carrying out rough placement after conveying the prefabricated I-shaped track plate to the rail laying operation surface.
Step three: and 3, finely adjusting the prefabricated I-shaped track plate. And fine adjustment is carried out on the prefabricated I-shaped track plate 3 by adopting a small gantry crane.
And fourthly, positioning and fixing the prefabricated I-shaped track plate 3. The prefabricated I-shaped track plate 3 which is finely adjusted in place is supported and fixed by a frame plate bracket. 4 or more supporting points are arranged on each prefabricated I-shaped track plate 3 according to the requirement.
Step five: the reinforcing steel bar is bound and embedded with the water passing pipe 9. And after the binding of the steel bars is completed, embedding the water passing pipe in the cross beam of the prefabricated I-shaped track plate 3.
Step six: the track slab bottom is provided with built-in pump pit surrounding templates. And (3) after the prefabricated I-shaped track plate 3 is fixed, installing a pump pit template of the built-in pump house section.
Step seven: and (5) filling and adjusting layer 7 with concrete, and curing. And (3) cleaning accumulated water at the bottom of the plate, pouring the filling adjustment layer 7, and taking out the support device of the prefabricated plate erected in the step (IV) after the strength of the filling adjustment layer 7 reaches a certain strength.
Step eight: and (5) installing a fastener. After the filling adjusting layer 7 reaches a certain strength, the upper fasteners are installed in the order of the lower elastic cushion plate of the iron cushion plate, the iron cushion plate and the lower elastic cushion plate of the rail.
Step nine: and (5) mounting the steel rail. The rail is moved to the working surface by a rail transport vehicle, discharged to the mounting point by the transport vehicle and spread, the rail is moved to the rail bearing groove of the fastener iron backing plate, and fastener components such as a gauge block, a connecting bolt, a spring strip and the like are mounted.
Step ten: and (5) auxiliary construction. After the construction of the main body structure is completed, the waterproof material in the pump pit is coated and the upper surface ditch cover plate is installed.
Therefore, the invention is used in the field of rail transit, replaces the traditional cast-in-situ built-in pump house track bed, has the characteristics of simple construction process, high construction speed, high construction precision, low labor intensity, good aesthetic property, good durability and the like, accords with the current direction of environmental protection, high efficiency and disease reduction of rail transit, and has huge social benefit.
It is to be clearly understood that the above description and illustration is made only by way of example and not as a limitation on the disclosure, application or use of the invention. Although embodiments have been described in the embodiments and illustrated in the accompanying drawings, the invention is not limited to the specific examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the invention, and the scope of the invention will include any embodiments falling within the foregoing specification and the appended claims.
Claims (6)
1. The construction method of the prefabricated track structure for the built-in pump house section of the track traffic is characterized by comprising the following steps:
step one: prefabricating an I-shaped track slab, finishing track slab grinding tool processing, steel bar binding and precast slab concrete pouring in a factory, and carrying out track slab curing after prefabrication is finished to form a high-precision prefabricated I-shaped track slab;
step two: transporting and hoisting, namely transporting the prefabricated I-shaped track slabs to a track laying operation surface and then coarsely placing the prefabricated I-shaped track slabs;
step three: finely adjusting the prefabricated I-shaped track plate;
positioning and fixing the prefabricated I-shaped track plates, wherein the prefabricated I-shaped track plates which are finely adjusted in place are supported and fixed by adopting a frame plate bracket, and each prefabricated I-shaped track plate is provided with 4 or more supporting points;
step five: binding reinforcing steel bars and embedding a water passing pipe, and embedding the water passing pipe in a cross beam of the prefabricated I-shaped track slab 3 after the binding of the reinforcing steel bars is completed;
step six: the periphery of the pump pit with the built-in track plate bottom is provided with templates;
step seven: filling and curing the concrete of the filling adjustment layer, cleaning accumulated water at the bottom of the plate, pouring the filling adjustment layer, and taking out the support device of the prefabricated plate erected in the fourth step after the strength of the filling adjustment layer reaches a certain strength;
step eight: the fastener is installed, and the installation sequence is an iron pad lower elastic pad, an iron pad and a rail lower elastic pad;
step nine: the method comprises the steps of installing a steel rail, namely, adopting a rail transport vehicle to discharge the steel rail to a working surface, scattering the steel rail to mounting points through the transport vehicle, poking the steel rail into a rail bearing groove of a fastener iron backing plate, and installing fastener components such as a gauge block, a connecting bolt, a spring strip and the like;
step ten: auxiliary construction;
the concrete structure is as follows: from last to including rail, fastener, prefabricated I shape track board and filling adjustment layer down in proper order, the rail is fixed in the upper surface of prefabricated I shape track board through the fastener of both sides, the below of prefabricated I shape track board is equipped with filling adjustment layer, its characterized in that:
the prefabricated I-shaped track slab comprises a track bearing table and a prefabricated slab, wherein the track bearing table and the prefabricated slab are integrally formed, the plane of the prefabricated I-shaped track slab is of an I-shaped structure, the middle of the prefabricated I-shaped track slab is connected by a cross beam, two ends of the middle cross beam are provided with U-shaped openings, so that a U-shaped water collecting pit in the middle is formed, the section of the prefabricated I-shaped track slab is polygonal, the lower surfaces of two sides of the prefabricated I-shaped track slab are provided with slope structures for enhancing the adaptability to the section of a tunnel, and a filling adjusting layer is filled between the bottom of the prefabricated I-shaped track slab and a shield segment;
the filling adjustment layer is only poured at the lower part of the I-shaped structure, and is not poured in the U-shaped opening ranges at the two ends of the cross beam, so that equipment can be arranged in the U-shaped structure range;
the bottom of a filling adjustment layer below the middle cross beam of the prefabricated I-shaped track slab is embedded with water pipes to enable all U-shaped water collecting pits to be communicated with each other, and the filling adjustment layer is made of steel fiber fine stone concrete or self-compacting concrete.
2. The construction method of the prefabricated track structure for the track traffic built-in pump house section according to claim 1, wherein the construction method comprises the following steps: and hoisting sleeves are respectively arranged on the plate sides of the prefabricated I-shaped track plates.
3. The construction method of the prefabricated track structure for the track traffic built-in pump house section according to claim 1, wherein the construction method comprises the following steps: the top surface of the U-shaped opening of the prefabricated I-shaped track plate is provided with a ditch cover plate for people walking on a patrol road or people evacuation under emergency.
4. The construction method of the prefabricated track structure for the track traffic built-in pump house section according to claim 1, wherein the construction method comprises the following steps: and sealing waterproof materials are arranged at the joint of the prefabricated I-shaped track plate and the filling adjusting layer and the joint of the filling adjusting layer and the shield segment for sealing.
5. The construction method of the prefabricated track structure for the track traffic built-in pump house section according to claim 1, wherein the construction method comprises the following steps: reinforcing steel bars are reserved or implanted at the bottom of the prefabricated I-shaped track plate.
6. The construction method of the prefabricated track structure for the track traffic built-in pump house section according to claim 1, wherein the construction method comprises the following steps: the water passing pipe is round or polygonal.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211030155.0A CN115613398B (en) | 2022-08-26 | 2022-08-26 | Prefabricated track structure for track traffic built-in pump house section and construction method |
| EP23800304.0A EP4350074A1 (en) | 2022-08-26 | 2023-05-22 | Prefabricated track structure for built-in pump house section in rail transportation and construction method |
| PCT/CN2023/095517 WO2024041054A1 (en) | 2022-08-26 | 2023-05-22 | Prefabricated track structure for built-in pump house section in rail transportation and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211030155.0A CN115613398B (en) | 2022-08-26 | 2022-08-26 | Prefabricated track structure for track traffic built-in pump house section and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115613398A CN115613398A (en) | 2023-01-17 |
| CN115613398B true CN115613398B (en) | 2023-10-10 |
Family
ID=84856839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211030155.0A Active CN115613398B (en) | 2022-08-26 | 2022-08-26 | Prefabricated track structure for track traffic built-in pump house section and construction method |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4350074A1 (en) |
| CN (1) | CN115613398B (en) |
| WO (1) | WO2024041054A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613398B (en) * | 2022-08-26 | 2023-10-10 | 北京城建设计发展集团股份有限公司 | Prefabricated track structure for track traffic built-in pump house section and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205474612U (en) * | 2016-03-01 | 2016-08-17 | 北京城建设计发展集团股份有限公司 | Prefabricated track board of H type for urban rail transit |
| CN210561479U (en) * | 2019-08-06 | 2020-05-19 | 中铁工程设计咨询集团有限公司 | Plate type ballast bed structure for built-in pump room of subway |
| CN214362569U (en) * | 2020-12-07 | 2021-10-08 | 中铁上海设计院集团有限公司 | Prefabricated ballast bed structure of built-in pump house department for urban rail transit |
| CN215329049U (en) * | 2021-08-05 | 2021-12-28 | 中铁二院工程集团有限责任公司 | Track structure with drainage pump station in integral ballast bed |
| CN114183197A (en) * | 2021-11-15 | 2022-03-15 | 粤水电建筑安装建设有限公司 | Interval tunnel of urban rail transit is with built-in pump house |
| CN114808555A (en) * | 2022-06-17 | 2022-07-29 | 中铁上海设计院集团有限公司 | Prefabricated frame plate and application method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6316101B2 (en) * | 2014-06-03 | 2018-04-25 | 大成建設株式会社 | Railroad track and its construction method |
| CN115613398B (en) * | 2022-08-26 | 2023-10-10 | 北京城建设计发展集团股份有限公司 | Prefabricated track structure for track traffic built-in pump house section and construction method |
-
2022
- 2022-08-26 CN CN202211030155.0A patent/CN115613398B/en active Active
-
2023
- 2023-05-22 WO PCT/CN2023/095517 patent/WO2024041054A1/en unknown
- 2023-05-22 EP EP23800304.0A patent/EP4350074A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205474612U (en) * | 2016-03-01 | 2016-08-17 | 北京城建设计发展集团股份有限公司 | Prefabricated track board of H type for urban rail transit |
| CN210561479U (en) * | 2019-08-06 | 2020-05-19 | 中铁工程设计咨询集团有限公司 | Plate type ballast bed structure for built-in pump room of subway |
| CN214362569U (en) * | 2020-12-07 | 2021-10-08 | 中铁上海设计院集团有限公司 | Prefabricated ballast bed structure of built-in pump house department for urban rail transit |
| CN215329049U (en) * | 2021-08-05 | 2021-12-28 | 中铁二院工程集团有限责任公司 | Track structure with drainage pump station in integral ballast bed |
| CN114183197A (en) * | 2021-11-15 | 2022-03-15 | 粤水电建筑安装建设有限公司 | Interval tunnel of urban rail transit is with built-in pump house |
| CN114808555A (en) * | 2022-06-17 | 2022-07-29 | 中铁上海设计院集团有限公司 | Prefabricated frame plate and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115613398A (en) | 2023-01-17 |
| EP4350074A1 (en) | 2024-04-10 |
| WO2024041054A1 (en) | 2024-02-29 |
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