CN112239967A - Assembled two-square-hole convex limiting track system - Google Patents
Assembled two-square-hole convex limiting track system Download PDFInfo
- Publication number
- CN112239967A CN112239967A CN202010859456.9A CN202010859456A CN112239967A CN 112239967 A CN112239967 A CN 112239967A CN 202010859456 A CN202010859456 A CN 202010859456A CN 112239967 A CN112239967 A CN 112239967A
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- Prior art keywords
- self
- limiting
- prefabricated
- concrete layer
- prefabricated track
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- 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
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses an assembled double-side-hole convex limiting track system, which belongs to the field of urban rail transit, and can be assembled in a combined manner on a construction site through the factory standardization and modularized production prefabrication of track parts, so that the on-site pouring construction workload is reduced. The specific technical scheme is as follows: including the basement, connect gradually self-compaction concrete layer, isolation layer, prefabricated track board on the basement, connect two rows of rail that are parallel to each other along length direction on the prefabricated track board.
Description
Technical Field
The invention relates to the field of urban rail transit, in particular to an assembled double-square-hole convex limiting rail system.
Background
At present, most ballastless tracks of urban rail transit engineering in China adopt cast-in-place structures, and the cast-in-place track structures have the advantages of simple structure, convenience in construction, low manufacturing cost and the like, but have the defects of large workload of cast-in-place concrete, poor operation environment, low construction precision, long maintenance time, slow construction progress, poor durability, inconvenience in later-stage operation and maintenance and the like.
Therefore, the problems of ensuring the construction quality and progress, and improving the smoothness, durability and maintainability of the track structure are the urgent solutions at present.
Disclosure of Invention
The embodiment of the disclosure provides an assembled protruding type limiting track system with two side holes, which can be produced and prefabricated in a standardized and modularized mode through track parts in a factory, and can be assembled on a construction site to accelerate construction speed. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, there is provided a fabricated double-hole convex type limit rail system, including:
the self-compacting track slab comprises a substrate, wherein a self-compacting concrete layer, an isolation layer and a prefabricated track slab are sequentially connected onto the substrate, and two rows of parallel steel rails are connected onto the prefabricated track slab along the length direction.
In one embodiment, the assembled double-hole male curb rail system further comprises: a plurality of reserved ribs are uniformly connected on the substrate, and the substrate is connected with the self-compacting concrete layer through the reserved ribs.
The reserved ribs and the self-compacting concrete layer are poured together, and the self-compacting concrete layer can be limited to slide.
In one embodiment, the assembled double-hole male curb rail system further comprises: a plurality of spacing bosss are connected towards the one side of isolation layer to self-compaction concrete layer, offer a plurality of spacing holes with spacing boss relative position on isolation layer, the prefabricated track board, and a plurality of spacing holes are connected with the cooperation of a plurality of spacing bosss.
Spacing boss through on the self-compaction concrete layer is connected with spacing hole cooperation on isolation layer, the prefabricated track board, can restrict isolation layer, prefabricated track board displacement, when the equipment, can be spacing fast for the construction progress.
In one embodiment, the assembled double-hole male curb rail system further comprises: the isolation layer is towards the one side of prefabricated track board and is still evenly connected a plurality of elastic buffer pads.
For the district that needs the shock attenuation, carry out the shock attenuation through elastic buffer, can improve overall structure's stability and durability.
In one embodiment, the assembled double-hole male curb rail system further comprises: the prefabricated track plate is connected with each steel rail through a plurality of fasteners which are arranged at equal intervals.
In one embodiment, the assembled double-hole male curb rail system further comprises: a plurality of hoisting sleeves are connected to two side edges of the prefabricated track slab along the length direction.
The hoisting sleeve can be convenient for hoisting the prefabricated track slab so as to supplement and fill self-compacting mortar to the gap between the prefabricated track slab and the self-compacting concrete layer, or is convenient for pressurizing and injecting epoxy resin mortar or polymer mortar or other high-strength and low-viscosity materials to the gap between the prefabricated track slab and the self-compacting concrete layer.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
The assembled double-square-hole convex limiting track system has the beneficial effects that:
the track parts are prefabricated through factory standardization and modularization production, and are assembled on a construction site, so that the construction speed is accelerated;
the construction precision is high, and the durability is good, and the structure is pleasing to the eye.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is an exploded schematic view of a three-dimensional structure of an assembled double-hole convex type limit track system according to an embodiment of the present disclosure;
fig. 2 is an exploded left side view of a fabricated double-sided male curb rail system provided by an embodiment of the present disclosure;
fig. 3 is a top view of a prefabricated track slab in an assembled double-hole convex-type limit track system according to an embodiment of the present disclosure.
In the figure, 1, a substrate, 2, a self-compacting concrete layer, 3, an isolation layer, 4, a prefabricated track plate, 5, a steel rail, 6, a reserved rib, 7, a limiting boss, 8, a limiting hole, 9, an elastic cushion pad, 10, a fastener and 11, a hoisting sleeve are arranged.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.
As shown in fig. 1 and 2, the present disclosure provides an assembled double-side-hole convex-type limiting track system, which includes a substrate 1, wherein a self-compacting concrete layer 2, an isolation layer 3, and a prefabricated track slab 4 are sequentially connected to the substrate 1, and two rows of parallel steel rails 5 are connected to the prefabricated track slab 4 along a length direction.
Evenly connect a plurality of muscle 6 of reserving on the basement 1 of this embodiment, basement 1 is through reserving muscle 6 connection self-compaction concrete layer 2.
The reserved ribs 6 are poured together with the self-compacting concrete layer, and the self-compacting concrete layer can be limited from sliding.
A plurality of spacing bosss 7 are connected towards the one side of isolation layer 3 to self-compaction concrete layer 2, offer a plurality of spacing holes 8 with spacing boss 7 relative position on isolation layer 3, the prefabricated track board 4, a plurality of spacing holes 8 are connected with the cooperation of a plurality of spacing bosss 7.
Through spacing boss 7 on the self-compaction concrete layer 2 and spacing hole 8 cooperation connection on isolation layer 3, the prefabricated track board 4, can restrict isolation layer 3, the displacement of prefabricated track board 4, when the equipment, can be spacing fast for the construction progress.
A plurality of elastic buffer cushions 9 are uniformly connected to one side of the isolation layer 3 facing the prefabricated track slab 4.
For the district that needs the shock attenuation, carry out the shock attenuation through elastic buffer, can improve overall structure's stability and durability.
The prefabricated track plate 4 is connected with each steel rail 5 through a plurality of fasteners 10 which are arranged at equal intervals.
The prefabricated track plate 4 is connected with the fastener 10 through the fastener embedded pipe sleeve reserved in the prefabricated track plate.
The two side edges of the prefabricated track slab 4 along the length direction are connected with a plurality of hoisting sleeves 11.
The hoisting sleeve can be convenient for hoisting the prefabricated track slab so as to supplement and fill self-compacting mortar to the gap between the prefabricated track slab and the self-compacting concrete layer, or is convenient for pressurizing and injecting epoxy resin mortar or polymer mortar or other high-strength and low-viscosity materials to the gap between the prefabricated track slab and the self-compacting concrete layer.
The embodiment of the disclosure provides an assembled double-square-hole convex type limiting track system which is divided into two schemes and respectively applied to an urban rail transit non-vibration-damping section and a vibration-damping section:
example one
For non-damping sections
An assembled double-square-hole convex limiting track system comprises a substrate 1, wherein a self-compacting concrete layer 2, an isolation layer 3 and a prefabricated track plate 4 are sequentially connected onto the substrate 1, and two rows of parallel steel rails 5 are connected onto the prefabricated track plate 4 along the length direction; a plurality of reserved ribs 6 are uniformly connected to the substrate 1, and the substrate 1 is connected with the self-compacting concrete layer 2 through the reserved ribs 6; one surface of the self-compacting concrete layer 2 facing the isolating layer 3 is connected with a plurality of limiting bosses 7, a plurality of limiting holes 8 are formed in the isolating layer 3 and the prefabricated track slab 4 at positions opposite to the limiting bosses 7, and the limiting holes 8 are connected with the limiting bosses 7 in a matched mode; the prefabricated track plate 4 is connected with each steel rail 5 through a plurality of fasteners 10 arranged at equal intervals; two sides of the prefabricated track slab 4 along the length direction are connected with a plurality of hoisting sleeves 11, and the isolation layer 3 is made of geotextile or a sliding film.
Example two
For shock-absorbing sections
An assembled double-square-hole convex limiting track system comprises a substrate 1, wherein a self-compacting concrete layer 2, an isolation layer 3 and a prefabricated track plate 4 are sequentially connected onto the substrate 1, and two rows of parallel steel rails 5 are connected onto the prefabricated track plate 4 along the length direction; a plurality of reserved ribs 6 are uniformly connected to the substrate 1, and the substrate 1 is connected with the self-compacting concrete layer 2 through the reserved ribs 6; one surface of the self-compacting concrete layer 2 facing the isolating layer 3 is connected with a plurality of limiting bosses 7, a plurality of limiting holes 8 are formed in the isolating layer 3 and the prefabricated track slab 4 at positions opposite to the limiting bosses 7, and the limiting holes 8 are connected with the limiting bosses 7 in a matched mode; the prefabricated track plate 4 is connected with each steel rail 5 through a plurality of fasteners 10 arranged at equal intervals; the two side edges of the prefabricated track slab 4 along the length direction are connected with a plurality of hoisting sleeves 11.
In both embodiments above, the following advantages exist:
there are a plurality of spacing holes 8 in prefabricated track board 4, can be square, shape such as circular, form self-compaction concrete layer 2 through pouring self-compaction concrete under prefabricated track board 4, form the spacing boss 7 with spacing hole 8 looks isoform, and then realize prefabricated track board 4 horizontal restriction displacement, reserve muscle 6 on basic end 1 seat simultaneously, reserve muscle 6 and pour together with self-compaction concrete layer 2, can restrict self-compaction concrete layer 2 and slide. Prefabricated track board 4 passes through spacing hole 8, spacing boss 7 restriction displacement with self-compaction concrete layer 2 promptly, and self-compaction concrete layer 2 slides through reserving muscle 6 restriction with base 1, all has the restriction displacement device between the three layer construction, and this spacing layered structure atress is clear and definite, the equipment is nimble, the safety and stability, can the later stage operation maintenance work load and the time that significantly reduces. The architecture and assembly diagram is shown in fig. 1 and 2.
Grouting holes are formed in the middle of the prefabricated track slab 4, the isolation layer 3 and the self-compacting concrete layer 2 in an aligned mode.
During the later operation, maintenance and repair period, the repair and adjustment are carried out through the following measures:
firstly, settling the foundation, hoisting the prefabricated track slab 4 to a finishing elevation through the hoisting sleeve 11, and additionally pouring self-compacting mortar between the prefabricated track slab 4 and the self-compacting concrete layer 2 to fill.
Secondly, the foundation is raised, the prefabricated track slab 4 is lifted by the lifting sleeve 11, a self-compacting mortar layer is locally chiseled to the finishing thickness, then the prefabricated track slab 4 is placed to the finishing elevation, and self-compacting mortar is additionally filled between the prefabricated track slab 4 and the self-compacting concrete layer 2 gap.
And thirdly, prefabricating a gap between the track slab 4 and the mortar layer, plugging the periphery of the self-compacting concrete layer 2, and performing pressurized grouting on the gap (epoxy resin mortar or polymer mortar or other high-strength and low-viscosity materials).
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (6)
1. The assembled double-square-hole convex limiting track system is characterized by comprising a substrate, wherein a self-compacting concrete layer, an isolation layer and a prefabricated track board are sequentially connected onto the substrate, and two rows of parallel steel rails are connected onto the prefabricated track board along the length direction.
2. The assembled double-square-hole convex-type limiting rail system as claimed in claim 1, wherein a plurality of reserved ribs are uniformly connected to the base, and the base is connected with the self-compacting concrete layer through the reserved ribs.
3. The assembled double-hole convex limiting track system according to claim 1, wherein a plurality of limiting bosses are connected to one surface of the self-compacting concrete layer facing the isolating layer, a plurality of limiting holes are formed in the isolating layer and the prefabricated track slab at positions opposite to the limiting bosses, and the plurality of limiting holes are connected with the plurality of limiting bosses in a matched manner.
4. The fabricated double-hole male type stop rail system according to claim 1, wherein a plurality of resilient buffering pads are further uniformly connected to a surface of the isolation layer facing the prefabricated rail plate.
5. The fabricated double-sided male curb rail system of claim 1 wherein the pre-fabricated rail plate is connected to each of the rails by a plurality of equally spaced fasteners.
6. The fabricated double-hole convex-type limit track system according to claim 1, wherein a plurality of hoisting sleeves are connected to both side edges of the prefabricated track slab along the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859456.9A CN112239967A (en) | 2020-08-24 | 2020-08-24 | Assembled two-square-hole convex limiting track system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859456.9A CN112239967A (en) | 2020-08-24 | 2020-08-24 | Assembled two-square-hole convex limiting track system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112239967A true CN112239967A (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010859456.9A Pending CN112239967A (en) | 2020-08-24 | 2020-08-24 | Assembled two-square-hole convex limiting track system |
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| Country | Link |
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| CN (1) | CN112239967A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941975A (en) * | 2021-03-09 | 2021-06-11 | 中铁二院工程集团有限责任公司 | Combined track slab, prefabricated slab track system and installation and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008303567A (en) * | 2007-06-06 | 2008-12-18 | Kyushu Railway Co | Vibration-isolating ballast track |
| CN206289470U (en) * | 2016-12-07 | 2017-06-30 | 中铁上海设计院集团有限公司 | A kind of urban track traffic Prefabricated slab type track |
| CN207452594U (en) * | 2017-09-22 | 2018-06-05 | 中国铁路设计集团有限公司 | A kind of urban track traffic prestressing force slab track |
| CN110172869A (en) * | 2019-05-30 | 2019-08-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | The construction method of assembled ballastless track system and assembled ballastless track system |
| CN210975382U (en) * | 2019-09-09 | 2020-07-10 | 广州地铁设计研究院股份有限公司 | Prefabricated plate rail structure for urban rail transit overhead line |
| CN210975381U (en) * | 2019-09-09 | 2020-07-10 | 广州地铁设计研究院股份有限公司 | A prefabricated plate track structure is filled up in damping for little shield tunnel |
-
2020
- 2020-08-24 CN CN202010859456.9A patent/CN112239967A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008303567A (en) * | 2007-06-06 | 2008-12-18 | Kyushu Railway Co | Vibration-isolating ballast track |
| CN206289470U (en) * | 2016-12-07 | 2017-06-30 | 中铁上海设计院集团有限公司 | A kind of urban track traffic Prefabricated slab type track |
| CN207452594U (en) * | 2017-09-22 | 2018-06-05 | 中国铁路设计集团有限公司 | A kind of urban track traffic prestressing force slab track |
| CN110172869A (en) * | 2019-05-30 | 2019-08-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | The construction method of assembled ballastless track system and assembled ballastless track system |
| CN210975382U (en) * | 2019-09-09 | 2020-07-10 | 广州地铁设计研究院股份有限公司 | Prefabricated plate rail structure for urban rail transit overhead line |
| CN210975381U (en) * | 2019-09-09 | 2020-07-10 | 广州地铁设计研究院股份有限公司 | A prefabricated plate track structure is filled up in damping for little shield tunnel |
Non-Patent Citations (1)
| Title |
|---|
| 王玉泽等: "《中国第一条长大高速铁路干线（武广高铁）技术创新工程丛书 轨道工程》", 31 December 2015, 湖北科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941975A (en) * | 2021-03-09 | 2021-06-11 | 中铁二院工程集团有限责任公司 | Combined track slab, prefabricated slab track system and installation and construction method thereof |
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Application publication date: 20210119 |