CN210975381U - A prefabricated plate track structure is filled up in damping for little shield tunnel - Google Patents
A prefabricated plate track structure is filled up in damping for little shield tunnel Download PDFInfo
- Publication number
- CN210975381U CN210975381U CN201921526192.4U CN201921526192U CN210975381U CN 210975381 U CN210975381 U CN 210975381U CN 201921526192 U CN201921526192 U CN 201921526192U CN 210975381 U CN210975381 U CN 210975381U
- Authority
- CN
- China
- Prior art keywords
- precast slab
- self
- shield tunnel
- damping pad
- track structure
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a track structure of a damping pad precast slab for a small shield tunnel, which comprises a concrete base layer and a self-compacting concrete adjusting layer which are arranged from bottom to top in sequence, the self-compacting concrete adjusting layer is provided with a second reinforcing mesh connected with the first reinforcing mesh, a reinforcing cage connected with the second reinforcing mesh is arranged in the limiting boss, the longitudinal two ends of the prefabricated plate are respectively provided with a limiting hole matched with the limiting boss, the central position of the prefabricated plate is provided with a filling hole, and the transverse two sides of the prefabricated plate track bed are respectively provided with a drainage ditch formed by the side surface of the self-compacting concrete adjusting layer, the top surface of the concrete base layer and the wall surface of the shield tunnel in an enclosing manner. The utility model has the advantages of simple structure, high strength, good stability, high construction efficiency, convenient maintenance and maintenance, beautiful and environment-friendly.
Description
Technical Field
The utility model relates to an urban rail transit field especially relates to a damping pad prefabricated plate track structure for shield tunnel.
Background
Along with the rapid development of urban rail transit and the continuous improvement of living standard of people, the environmental vibration problem caused by urban rail transit is more and more concerned, and the complaint phenomenon that urban residents disturb residents on subway vibration is rare. Therefore, more and more sections of the newly-built urban rail transit underground line need to adopt vibration reduction rails. The damping pad track structure is a traditional damping track, has mature application in high-speed rail and intercity at home and abroad, is used in urban rail transit as a high damping measure, and is largely adopted in various cities.
The track structure of the damping pad in urban rail transit is divided into a cast-in-place track bed and a precast slab track bed, the damping pad cast-in-place track is generally used in the existing lines, but as the construction and traffic industry develops towards the direction of prefabrication and assembly, the precast slab damping track is increasingly adopted in newly-built urban rail transit. Because the precast slab road bed is prefabricated in a factory, the size of the precast slab road bed is fixed, if the shield tunnel orientation and the design deviation are generated during construction, the precast slab road bed is likely to conflict with the tunnel wall, and the precast slab road bed cannot be laid at the designed position. In addition, because traditional damping pad precast slab structure contains structures such as stratum basale, isolation layer, self-compaction concrete adjustment layer, damping pad, prefabricated plate, so the track structure height often is great, consequently, newly-built circuit is like designing damping pad prefabricated plate track, generally need adopt the great shield tunnel of internal diameter, guarantees to have enough big space in the tunnel to lay damping pad prefabricated plate track structure for the construction error of shield tunnel is to the influence minimizing of laying the prefabricated plate. In addition, the ditches on the two sides of the existing damping pad precast slab track are arranged on the base layer, and the base layer is required to have enough width, so that the traditional small shield tunnel with the inner diameter of 5.4 meters is difficult to meet the requirement of the base width.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the prefabricated slab track structure of the damping pad is simple in structure, high in strength, good in stability, high in construction efficiency, convenient to maintain, attractive, environment-friendly and suitable for the shield tunnel.
In order to solve the technical problem, the utility model provides a damping pad precast slab track structure for small shield tunnel, which comprises a steel rail and a precast slab track bed, wherein the precast slab track bed is laid on the shield tunnel, the precast slab track bed is sequentially provided with a concrete base layer, a self-compacting concrete adjusting layer, a damping pad and a precast slab from bottom to top, a first reinforcing mesh is arranged in the concrete base layer, the self-compacting concrete adjusting layer is respectively provided with a limiting boss corresponding to the longitudinal two ends of the precast slab, the limiting boss and the self-compacting concrete adjusting layer are integrally poured and molded, a second reinforcing mesh is arranged in the self-compacting concrete adjusting layer, a reinforcing cage is arranged in the limiting boss, the upper end of the second reinforcing mesh and the reinforcing cage are integrally bound and molded, the lower end of the second reinforcing mesh is connected with the first reinforcing mesh, the vertical both ends of prefabricated plate be equipped with respectively one with spacing boss shape complex spacing hole, the central point of prefabricated plate puts and is used for to the filling hole that self-compaction concrete adjustment layer pours into self-compaction concrete, the damping pad is in be equipped with the hole that the size matches on the position that spacing boss and filling hole correspond, the horizontal both sides of prefabricated plate are equipped with a plurality of bearing rail platforms along its vertical equidistance interval respectively, the rail passes through the fastener withhold on the bearing rail platform, the horizontal both sides of prefabricated plate railway roadbed are equipped with the escape canal respectively, the escape canal by the side on self-compaction concrete adjustment layer the top surface of concrete basement layer and the wall of shield tunnel enclose to establish and form.
As the utility model discloses preferred scheme, the rail bearing platform with the integrative prefabricated forming of prefabricated plate.
As a preferred aspect of the present invention, the prefabricated panel has a width of 2200mm, a thickness of 220mm, and a length of 4100mm, and a distance from a bottom corner of the prefabricated panel to a limit circle having a diameter of 5.2m is greater than or equal to 100 mm.
As the preferred scheme of the utility model, the prefabricated plate is made by reinforced concrete, is equipped with vertical prestressing steel and horizontal prestressing steel in it, is two-way prestressing steel reinforced concrete structure.
As the preferable proposal of the utility model, the compression strength of the precast slab is more than or equal to 60 Mpa.
As the preferred scheme of the utility model, be equipped with the board seam between the adjacent prefabricated plate.
As a preferable aspect of the present invention, the width of the plate seam is greater than or equal to 100 mm.
As the preferred scheme of the utility model, the thickness scope on self-compaction concrete adjustment layer is 90mm ~ 110 mm.
As the preferred proposal of the utility model, the damping pad is pasted on the bottom surface of the precast slab after the precast slab is formed.
As the preferred proposal of the utility model, the limiting lug boss and the elastic cushion layer are arranged between the limiting holes.
The embodiment of the utility model provides a damping pad prefabricated plate track structure for shield tunnel compares with prior art, and its beneficial effect lies in:
(1) Because the escape canal is enclosed by the side on self-compaction concrete adjustment layer, the top surface of concrete foundation layer and the wall in shield tunnel establishes and forms, and the top surface of concrete foundation layer is a plane and as the escape canal bottom surface, need not to pour central ditch and both sides ditch on concrete foundation layer, therefore the construction convenience of concrete foundation layer, swift, and construction quality controls easily, has also avoided the difficult problem of underdrain drainage trouble maintenance simultaneously.
(2) The prefabricated slab and the tunnel wall are separated by the drainage ditch, the collision between the bottom angle of the prefabricated slab and the tunnel wall can be still avoided under the condition of maximum deviation of shield construction, and the prefabricated slab can be smoothly laid in place, so that the prefabricated slab track structure of the vibration damping pad can be suitable for the smallest shield tunnel (the inner diameter is 5.4 meters) in the current urban rail transit.
(3) Compared with the traditional precast slab track bed, the precast slab track structure with the damping pad has the advantages that the isolating layer is reduced, the height of the track structure can be designed to be lower, the space in a hole is reduced, and the damping pad is not needed to be arranged on two sides of the precast slab, so that the quantity of construction materials of the damping pad and the isolating layer can be greatly saved, and the construction cost is reduced.
(4) The self-compacting concrete adjusting layer and the limiting boss are formed simultaneously, so that the construction efficiency and the construction quality are greatly improved; in addition, the upper end of the second reinforcing mesh in the self-compacting concrete adjusting layer is integrally bound and formed with the reinforcing cage in the limiting boss, and the lower end of the second reinforcing mesh is connected with the first reinforcing mesh in the concrete base layer, so that the track structure of the prefabricated slab of the damping pad has good overall stability and high strength.
(5) Set up the damping pad between prefabricated plate and the self-compaction concrete adjustment layer, when playing the damping effect, can prevent effectively that to form rigid connection between prefabricated plate and the self-compaction concrete, if take place the disease such as ballast bed mud pumping, fracture, damping pad inefficacy, can conveniently lift up the prefabricated plate and carry out ballast bed, damping pad maintenance or change, and can not destroy prefabricated plate track structure's wholeness, the maintenance is convenient.
(6) This damping pad prefabricated plate track structure outward appearance is clean and tidy unified, and the construction feature of environmental protection nature in the hole is good, avoids the interior too big influence constructor health of dust of hole.
It can be seen that the utility model discloses damping pad prefabricated plate track structure has simple structure, intensity is high, stability is good, the efficiency of construction is high, the maintenance is convenient, the advantage of pleasing to the eye environmental protection, especially adapted popularization and application in little shield's urban rail transit, and its engineering cost reduces 20% than traditional damping pad prefabricated plate, has good social economic effect.
Drawings
Fig. 1 is an end view of a track structure of a damping pad precast slab for a small shield tunnel according to an embodiment of the present invention;
Fig. 2 is a plan view of a track structure of a damping pad precast slab for a small shield tunnel according to an embodiment of the present invention;
In the figure, 1, a steel rail; 2. a limiting circle; 3. a shield tunnel; 4. a concrete foundation layer; 5. a self-compacting concrete adjustment layer; 6. a vibration damping pad; 7. prefabricating a slab; 8. a first reinforcing mesh; 9. a limiting boss; 10. a second reinforcing mesh; 11. a reinforcement cage; 12. a limiting hole; 13. a perfusion hole; 14. a rail bearing platform; 15. a fastener; 16. a drainage ditch; 17. plate sewing; 18. an elastic cushion layer; 19. and (6) hoisting holes.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as being based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, in accordance with a preferred embodiment of the present invention, there is provided a track structure of a prefabricated slab for a small shield tunnel, which includes a steel rail 1 and a prefabricated slab track bed, the prefabricated slab track bed is laid on a shield tunnel 3, the prefabricated slab track bed is sequentially provided with a concrete foundation layer 4, a self-compacting concrete adjusting layer 5, a vibration-damping pad 6 and a prefabricated slab 7 from bottom to top, a first steel mesh 8 is provided in the concrete foundation layer 4, the self-compacting concrete adjusting layer 5 is provided with a limiting boss 9 at each of longitudinal ends of the prefabricated slab 7, the limiting boss 9 is integrally cast and formed with the self-compacting concrete adjusting layer 5, a second steel mesh 10 is provided in the self-compacting concrete adjusting layer 5, a steel reinforcement cage 11 is provided in the limiting boss 9, and the upper end of the second steel mesh 10 is integrally bound and formed with the steel mesh 11, the lower end of the second reinforcing mesh 10 is connected with the first reinforcing mesh 8, the two longitudinal ends of the prefabricated plate 7 are respectively provided with a limiting hole 12 matched with the limiting boss 9 in shape, the center of the precast slab 7 is provided with a pouring hole 13 for pouring self-compacting concrete into the self-compacting concrete adjusting layer 5, the damping pad 6 is provided with holes with matched sizes at the corresponding positions of the limiting boss 9 and the pouring hole 13, the two transverse sides of the precast slab 7 are respectively provided with a plurality of rail bearing platforms 14 which are equidistantly spaced along the longitudinal direction of the precast slab, the steel rail 1 is buckled and pressed on the rail bearing platform 14 through a fastener 15, drainage ditches 16 are respectively arranged at the two transverse sides of the track bed 2 of the precast slab 7, the drainage ditch 16 is formed by enclosing the side surface of the self-compacting concrete adjusting layer 5, the top surface of the concrete base layer 4 and the wall surface of the shield tunnel 3.
Implement the embodiment of the utility model provides a 7 track structures of prefabricated plate for urban rail transit overhead line, its key lies in:
Firstly, because the drainage ditch 16 is formed by the side of the self-compacting concrete adjusting layer 5, the top surface of the concrete substrate layer 4 and the wall surface of the shield tunnel 3 in an enclosing way, the top surface of the concrete substrate layer 4 is a plane and is used as the bottom surface of the drainage ditch 16, and a central ditch and two side ditches do not need to be poured on the concrete substrate layer 4, the construction of the concrete substrate layer 4 is convenient and rapid, the construction quality is easy to control, and the problem of difficulty in overhauling drainage faults of a blind ditch is also avoided.
Secondly, the prefabricated slab 7 and the tunnel wall are separated by the drainage ditch 16, so that the bottom angle of the prefabricated slab 7 can be still prevented from colliding with the tunnel wall under the condition of maximum deviation of shield construction, the prefabricated slab 7 can be smoothly laid in place, and the prefabricated slab track structure of the damping pad can be suitable for the smallest shield tunnel 3 (the inner diameter is 5.4 meters) in the current urban track traffic.
Thirdly, compared with the traditional precast slab track bed, the precast slab track structure of the damping pad subtracts an isolation layer, the height of the track structure can be designed to be lower, the occupation of space in a hole is reduced, and the damping pad 6 is not needed to be used on two sides of the precast slab 7, so that the quantity of construction materials of the damping pad 6 and the isolation layer can be greatly saved, and the construction cost is reduced.
Fourthly, the limiting lug boss 9 formed in the limiting hole 12 of the prefabricated plate during the pouring of the self-compacting concrete is utilized, so that the transverse and longitudinal limiting of the track is realized, and the self-compacting concrete adjusting layer 5 and the limiting lug boss 9 are simultaneously formed, so that the construction efficiency and the construction quality are greatly improved; in addition, the upper end of the second reinforcing mesh 10 in the self-compacting concrete adjusting layer 5 is integrally bound with the reinforcing cage 11 in the limiting boss 9, and the lower end of the second reinforcing mesh is connected with the first reinforcing mesh 8 in the concrete base layer 4, so that the track structure of the prefabricated slab of the damping pad has good overall stability and high strength.
Fifthly, the damping pad 6 is arranged between the precast slab 7 and the self-compacting concrete adjusting layer 5, when the damping effect is achieved, rigid connection between the precast slab 7 and the self-compacting concrete can be effectively prevented, if the problems of slurry pumping, cracking, failure of the damping pad 6 and the like of the ballast bed occur in the operation process, the precast slab 7 can be conveniently lifted up to be maintained or replaced by the ballast bed, the damping pad 6 can be maintained or replaced, the integrity of the track structure of the precast slab 7 cannot be damaged, and maintenance is convenient.
Finally, the track structure of the prefabricated plate of the damping pad is neat and uniform in appearance, the construction environment-friendly performance in the hole is good, and the situation that the health of constructors is influenced by overlarge dust in the hole is avoided.
Illustratively, the rail bearing platform 14 is prefabricated and formed integrally with the prefabricated plate 7. The width of prefabricated plate 7 is 2200mm, thickness is 220mm, length is 4100mm, spacing hole 12 is the circular port of diameter 360mm, pouring hole 13 is the circular port of diameter 180mm, because the width and the thickness of prefabricated plate 7 are littleer than traditional prefabricated plate (the width of traditional prefabricated plate is 2400mm, thickness is 240mm), the distance that the base angle of prefabricated plate 7 reaches bounding circle 2 that the diameter is 5.2m is more than or equal to 100mm, consequently guaranteed that in shield tunnel 3 construction maximum error range, prefabricated plate 7 can not touch the tunnel wall.
Illustratively, the precast slab 7 is made of reinforced concrete, longitudinal prestressed steel bars and transverse prestressed steel bars are arranged in the precast slab, the precast slab is of a bidirectional prestressed reinforced concrete structure, and the compressive strength of the precast slab 7 is greater than or equal to 60Mpa, so that the precast slab 7 is miniaturized, meanwhile, sufficient strength is ensured, and the stress requirement of the precast slab 7 under the dynamic load of a train is met.
Illustratively, plate gaps 17 are arranged between adjacent prefabricated plates 7. The plate seam 17 is arranged to adapt to telescopic deformation, and meanwhile, the plate seam 17 can be used as a channel of a rail passing pipeline, so that the rail passing of each professional pipeline is facilitated, a rail passing groove is prevented from being reserved in the prefabricated plate 7, the integrity of the prefabricated plate 7 is guaranteed, and the manufacturing efficiency of the prefabricated plate 7 in a factory is improved. Preferably, the width of the plate seam 17 is greater than or equal to 100 mm.
For example, since it is considered that the vibration-damping pad 6 is easily deteriorated by water immersion, that is, the water storage height of the drainage ditch 16 is determined by the thickness of the self-compacting concrete adjustment layer 5, the thickness of the self-compacting concrete adjustment layer 5 is set to be in the range of 90mm to 110mm, preferably 100mm, in order to satisfy the interval drainage requirement.
Illustratively, the damping pad 6 is adhered to the bottom surface of the prefabricated slab 7 after the prefabricated slab 7 is formed, so that the damping pad is transported to a construction site together with the prefabricated slab 7 to be laid, and a complicated process of laying the damping pad 6 on the site is avoided.
Illustratively, an elastic cushion layer 18 is arranged between the limiting boss 9 and the limiting hole 12 and is used for isolating and buffering the rigid contact between the limiting boss 9 and the precast slab 7.
Illustratively, hoisting holes 19 are respectively formed in two lateral sides of the precast slab 7 to facilitate hoisting and laying of the precast slab 7.
The embodiment of the utility model provides a pair of a damping pad prefabricated plate track structure for little shield tunnel, its construction procedure is: firstly, binding a first reinforcing mesh 8 of a concrete base layer 4, pouring base layer concrete, and embedding a portal reinforcing bar connected with self-compacting concrete; secondly, binding a second reinforcing mesh 10 of the self-compacting concrete adjusting layer 5, and firmly connecting the second reinforcing mesh with the gate-shaped reinforcing steel bars pre-embedded in the concrete base layer 4; thirdly, the precast slab 7 with the vibration damping pad 6 adhered to the bottom is transported into a tunnel, the slab is erected and finely adjusted in place, and the periphery of the self-compacting concrete adjusting layer 5 is sealed by a steel formwork, so that no slurry leakage is caused when the self-compacting concrete is poured; fourthly, placing the reinforcement cage 11 of the pre-manufactured limiting boss 9 in the hole of the limiting boss 9, and firmly connecting the reinforcement cage 11 with the second reinforcement mesh 10 of the self-compacting concrete adjusting layer 5; fifthly, transporting the self-compacting concrete to the site, pouring the self-compacting concrete from the pouring hole 13, and slowly pouring the self-compacting concrete until the self-compacting concrete in the limiting hole 12 is about to overflow the surface of the precast slab 7; sixthly, removing the template after the self-compacting concrete is initially set, and arranging an elastic cushion layer 18 around the limiting boss 9; seventhly, mounting a fastener 15 on the rail bearing platform 14; eighthly, laying the steel rail 1, and fixing the steel rail 1 on the rail bearing platform 14 by using a fastener 15; ninthly, precisely adjusting the steel rail 1 to enable the geometric shape and position of the vibration damping pad precast slab track structure to meet the design requirements; and finally, smearing waterproof paint at the junction of the tunnel wall of the ditch at two sides and the concrete foundation layer 4 and at the junction of the concrete foundation layer 4 and the side edge of the self-compacting concrete adjusting layer 5.
To sum up, the embodiment of the utility model provides a pair of a damping pad prefabricated plate track structure for little shield tunnel, it has simple structure, intensity height, stability is good, the efficiency of construction is high, the maintenance is convenient, the advantage of pleasing to the eye environmental protection, especially adapted popularization and application in little shield's urban rail transit, and its engineering cost reduces 20% than traditional damping pad prefabricated plate, has good social economic effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A vibration damping pad precast slab track structure for a small shield tunnel is characterized by comprising a steel rail and a precast slab track bed, wherein the precast slab track bed is laid on the shield tunnel, the precast slab track bed is sequentially provided with a concrete base layer, a self-compacting concrete adjusting layer, a vibration damping pad and a precast slab from bottom to top, a first steel bar mesh is arranged in the concrete base layer, the self-compacting concrete adjusting layer is respectively provided with a limiting boss corresponding to the longitudinal two ends of the precast slab, the limiting boss and the self-compacting concrete adjusting layer are integrally poured and formed, a second steel bar mesh is arranged in the self-compacting concrete adjusting layer, a steel bar cage is arranged in the limiting boss, the upper end of the second steel bar mesh is integrally bound and formed with the steel bar cage, the lower end of the second steel bar mesh is connected with the first steel bar mesh, and the longitudinal two ends of the precast slab are respectively provided with a limiting hole matched with the limiting boss in shape, the central point of prefabricated plate puts to be equipped with and is used for to the filling hole that self-compaction concrete adjustment layer poured self-compaction concrete, the damping pad is in be equipped with the hole that the size matches on the position that spacing boss and filling hole correspond, the horizontal both sides of prefabricated plate are equipped with a plurality of bearing rail platforms along its vertical equidistance interval respectively, the rail passes through the fastener and detains and press on the bearing rail platform, the horizontal both sides of prefabricated plate railway roadbed are equipped with the escape canal respectively, the escape canal by the side on self-compaction concrete adjustment layer the top surface of concrete substrate layer and the wall in shield tunnel enclose and establish the formation.
2. The precast slab track structure of a vibration damping pad for a small shield tunnel of claim 1, wherein the rail support platform is precast-formed integrally with the precast slab.
3. The precast slab track structure of a vibration-damping pad for a small shield tunnel of claim 2, wherein the precast slab has a width of 2200mm, a thickness of 220mm, and a length of 4100mm, and the distance from the bottom corner of the precast slab to a bounding circle having a diameter of 5.2m is greater than or equal to 100 mm.
4. The precast slab track structure of a small shield tunnel according to claim 2, wherein the precast slab is made of reinforced concrete with longitudinal and transverse prestressed reinforcements, and is a bi-directional prestressed reinforced concrete structure.
5. The precast slab track structure of a vibration damping pad for a small shield tunnel of claim 4, wherein the compressive strength of the precast slab is greater than or equal to 60 Mpa.
6. The precast slab track structure of a small shield tunnel according to claim 1, wherein slab gaps are provided between adjacent precast slabs.
7. The precast slab track structure of a vibration damping pad for a small shield tunnel according to claim 6, wherein the width of the slab gap is greater than or equal to 100 mm.
8. The precast slab track structure of a vibration damping pad for a small shield tunnel according to claim 1, wherein the thickness of the self-compacting concrete adjustment layer ranges from 90mm to 110 mm.
9. The precast slab track structure of claim 1, wherein the vibration-damping pad is attached to the bottom surface of the precast slab after the precast slab is formed.
10. The precast slab track structure of a vibration damping pad for a small shield tunnel according to any one of claims 1 to 9, wherein an elastic cushion layer is provided between the limiting boss and the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526192.4U CN210975381U (en) | 2019-09-09 | 2019-09-09 | A prefabricated plate track structure is filled up in damping for little shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526192.4U CN210975381U (en) | 2019-09-09 | 2019-09-09 | A prefabricated plate track structure is filled up in damping for little shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210975381U true CN210975381U (en) | 2020-07-10 |
Family
ID=71456313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921526192.4U Active CN210975381U (en) | 2019-09-09 | 2019-09-09 | A prefabricated plate track structure is filled up in damping for little shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210975381U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239967A (en) * | 2020-08-24 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Assembled two-square-hole convex limiting track system |
| CN112239969A (en) * | 2020-08-24 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Prefabricated assembled damping track system |
| RU2755804C1 (en) * | 2020-11-10 | 2021-09-21 | Акционерное общество "РЖДстрой" | Ballast-free railway track for cargo and passenger high-speed traffic and method for construction thereof |
| CN113584954A (en) * | 2021-04-27 | 2021-11-02 | 北京九州一轨环境科技股份有限公司 | Prefabricated assembly periodic structure for track base and construction method thereof |
| CN114687260A (en) * | 2022-03-07 | 2022-07-01 | 中铁南方投资集团有限公司 | Assembly type track construction method and assembly type track structure |
| RU213548U1 (en) * | 2021-03-11 | 2022-09-15 | Общество с ограниченной ответственностью "ГАВАРИ РЕЙЛВЕЙС" | RAIL PLATE |
-
2019
- 2019-09-09 CN CN201921526192.4U patent/CN210975381U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239967A (en) * | 2020-08-24 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Assembled two-square-hole convex limiting track system |
| CN112239969A (en) * | 2020-08-24 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Prefabricated assembled damping track system |
| RU2755804C1 (en) * | 2020-11-10 | 2021-09-21 | Акционерное общество "РЖДстрой" | Ballast-free railway track for cargo and passenger high-speed traffic and method for construction thereof |
| RU213548U1 (en) * | 2021-03-11 | 2022-09-15 | Общество с ограниченной ответственностью "ГАВАРИ РЕЙЛВЕЙС" | RAIL PLATE |
| CN113584954A (en) * | 2021-04-27 | 2021-11-02 | 北京九州一轨环境科技股份有限公司 | Prefabricated assembly periodic structure for track base and construction method thereof |
| CN114687260A (en) * | 2022-03-07 | 2022-07-01 | 中铁南方投资集团有限公司 | Assembly type track construction method and assembly type track structure |
| CN114687260B (en) * | 2022-03-07 | 2024-02-13 | 中铁南方投资集团有限公司 | Assembly type track construction method and assembly type track structure |
| RU216093U1 (en) * | 2022-12-13 | 2023-01-17 | Общество с ограниченной ответственностью "ГАВАРИ РЕЙЛВЕЙС" | RAIL PLATE |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210975381U (en) | A prefabricated plate track structure is filled up in damping for little shield tunnel | |
| CN106245674A (en) | Hollow wallboard mixes prefabricated assembled pipe gallery and construction method thereof | |
| CN106088147A (en) | Wallboard mixes prefabricated assembled pipe gallery and construction method thereof on an empty stomach | |
| CN206245139U (en) | precast slab ballast bed | |
| CN108149706A (en) | A kind of cast-in-place hidden girder and the prefabricated assembled pipe gallery and its construction method of superimposed sheet splicing | |
| WO2014015739A1 (en) | Inspection well apparatus resistant to differential settlement and method of constructing same | |
| CN105200868A (en) | Novel slab ballastless track structure | |
| CN107012887B (en) | Prefabricated pin-connected panel node of arc top utility tunnel piecemeal | |
| CN108166525A (en) | A kind of half prefabricated assembled pipe gallery spliced with cast-in-place hidden girder and its construction method | |
| CN108086353A (en) | A kind of hollow wallboard spliced with cast-in-place hidden girder mixes prefabricated assembled pipe gallery and its construction method | |
| CN206599703U (en) | A kind of assembled track plates suitable for Construction of Urban Rail Traffic demand | |
| CN209907429U (en) | Industrialized dense rib plate type retaining wall | |
| CN113931212A (en) | Road and bridge transition section structure for tramcar and construction method thereof | |
| CN107083776B (en) | A kind of basement raft foundation rear pouring tape construction method | |
| CN208586468U (en) | The secondary scalable general railway roadbed of pouring type | |
| CN209759902U (en) | 8-shaped prefabricated track slab suitable for urban rail transit construction requirements | |
| CN210975382U (en) | Prefabricated plate rail structure for urban rail transit overhead line | |
| CN108560330A (en) | The scalable general railway roadbed of secondary pouring type and its construction method | |
| KR20130026833A (en) | Mold to construct a concrete roadbed in railroad | |
| CN210826938U (en) | Track structure suitable for urban rail transit construction is supporting 8 types track board | |
| CN209958393U (en) | Laminated pipe gallery connected by extrusion sleeve | |
| CN210657857U (en) | Ground structure section of bridge tunnel transition | |
| CN211286164U (en) | Self-compaction regeneration block concrete superimposed shear wall | |
| CN209194578U (en) | A kind of prefabricated combustion gas cabin of underground pipe gallery and its template system | |
| CN209675906U (en) | A kind of prefabricated cable tank systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |