CN210561471U - Steel track bed board track structure - Google Patents
Steel track bed board track structure Download PDFInfo
- Publication number
- CN210561471U CN210561471U CN201920893537.3U CN201920893537U CN210561471U CN 210561471 U CN210561471 U CN 210561471U CN 201920893537 U CN201920893537 U CN 201920893537U CN 210561471 U CN210561471 U CN 210561471U
- Authority
- CN
- China
- Prior art keywords
- steel
- track bed
- plate
- steel track
- plates
- 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
Landscapes
- Railway Tracks (AREA)
- Road Paving Structures (AREA)
Abstract
The utility model provides a steel railway roadbed board track structure. The track structure comprises a cement-based grouting material bottom layer, a buffer layer and a steel track bed, wherein the steel track bed consists of a plurality of steel track bed plates with I-shaped sections, a gap is reserved between every two adjacent steel track bed plates, and the buffer layer is fixedly bonded to the bottom surfaces of the steel track bed plates; a plurality of reinforcing rib plates are equidistantly welded between the upper support plate and the lower support plate of each steel track bed plate, steel rail fastener mounting holes are respectively formed in the positions, close to the two ends, of the top surface of each steel track bed plate, and the steel rails are fixed on the steel track bed plates through steel rail fasteners; reinforcing steel bar anchoring holes or bolt connecting holes are formed in the positions, close to the two ends, of each steel track bed plate, and the steel track bed plates can be fixed through anchoring reinforcing steel bars or two adjacent steel track bed plates are connected through metal connecting plates. The utility model discloses reduced track structure's height, fundamentally has solved the not enough problem of ballast bed structure thickness that the tunnel space is not enough to arouse, increases track structure's stability.
Description
Technical Field
The utility model relates to an urban subway track field, in particular to steel railway roadbed board track structure.
Background
With the rapid development of society and science and technology, the construction of urban light rails and subways is developed in each city in succession. In the construction and maintenance of subway rails, a subway line passes through an existing structure, such as an existing tunnel, the tunnel structure is already constructed before the subway line is planned, the tunnel height is designed according to the vehicle construction height, the passing height of the subway vehicle is generally higher than that of a common vehicle, but the height of the track structure can only be compressed due to the limitation of the reserved height of the original tunnel structure, and the clearance of the tunnel cannot be adjusted.
The track bed of the existing track structure is mostly of a reinforced concrete structure, the reinforced concrete structure is prepared by means of fixed laying of reinforcing steel bars and filling of concrete, then steel sleepers are laid on the track bed, finally fasteners are installed on the steel sleepers, and steel rails are fixed; the track bed and the steel sleeper both have certain height, and the track bed is used as a load bearing structure of vehicle load, and has certain requirement on the thickness, so that if the thickness of the track bed is insufficient, the stability of the track structure can be influenced.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a steel railway roadbed board track structure, this track structure adopt special construction railway roadbed board to replace the railway roadbed, make the vehicle load pass through rail, fastener, the direct transmission of steel pillow to ground structure, can reduce the thickness of railway roadbed, can solve the not enough problem of railway roadbed structure thickness that the tunnel space is not enough to arouse, increase track structure's stability, guarantee the security and the travelling comfort of operation.
In order to solve the technical problem, the utility model provides a steel railway roadbed board track structure, its characterized in that: the track structure sequentially comprises a cement-based grouting material bottom layer, a buffer layer, a steel track bed and two steel rails paved on the steel track bed from bottom to top, wherein the steel track bed consists of a plurality of steel track bed plates with I-shaped sections, a gap is reserved between every two adjacent steel track bed plates, and the buffer layer is fixedly bonded to the bottom surfaces of the steel track bed plates; a plurality of reinforcing rib plates are equidistantly welded between an upper supporting plate and a lower supporting plate of each steel track bed plate, steel rail fastener mounting holes are respectively formed in the positions, close to the two ends, of the top surface of each steel track bed plate, two steel rail fasteners are symmetrically mounted on each steel track bed plate, the steel rail fasteners on the same side of the plurality of steel track bed plates are arranged on the same straight line, and the steel rails are fixed on the steel track bed plates through the steel rail fasteners; a steel bar anchoring hole or a bolt connecting hole is formed in the position, close to the two ends, of each steel track bed plate, when steel bar anchoring holes are formed in the two ends of each steel track bed plate, a plurality of steel bar anchoring holes are formed in each end, each steel bar anchoring hole penetrates from the upper supporting plate to the lower supporting plate, an anchoring steel bar is inserted into each steel bar anchoring hole, and the lower end of each anchoring steel bar penetrates through the buffer layer and the cement-based grouting material bottom layer and is anchored in the ground foundation structure below the cement-based grouting material bottom layer; when bolt connecting holes are formed in the two end portions of each steel track bed plate, two adjacent steel track bed plates are connected through metal connecting plates, and the two ends of each metal connecting plate are fixed to the bolt connecting holes of the two adjacent steel track bed plates through bolts.
The utility model discloses better technical scheme: the steel track bed board is a supporting board which is formed by welding steel plates with the thickness of 20-30 mm and has an I-shaped section, the length of the steel track bed board is equal to the width of the existing track bed, and the width of the steel track bed board is larger than that of a steel rail fastener.
The utility model discloses better technical scheme: the buffer layer comprises rubber base plates or high-density polyethylene base plates which are bonded to the bottom surfaces of two ends of each steel track bed plate and pearl cotton cushion layers which are bonded to the bottom surface of the middle part of each steel track bed plate; the rubber base plate or the high-density polyethylene base plate on each side is 10-12 mm thick and extends from the end part of the steel track bed plate to an area which is completely covered by a steel rail fastener arranged on the steel track bed plate; the thickness of the pearl cotton cushion layer is 15-20 mm.
The utility model discloses better technical scheme: the width of a gap between two adjacent steel track bed boards is 3-6 cm, and rubber strips or cement mortar are filled in the gap.
The utility model discloses better technical scheme: when the two end parts of the steel track bed plate are provided with steel bar anchoring holes, each end of the steel track bed plate is provided with four steel bar anchoring holes, and the four steel bar anchoring holes are distributed on two sides of the steel rail fastener mounting hole and do not correspond to the positions of a middle vertical plate and a reinforcing rib plate of the steel track bed plate; when bolt connecting holes are formed in two end portions of the steel track bed plate, two groups of bolt connecting holes are formed in each end of the steel track bed plate, the two groups of bolt connecting holes are formed in the regions outside the steel rail fastener mounting holes and are symmetrically distributed at the positions close to the edge of the steel track bed plate by taking a center parting line of the steel track bed plate as a center line, two groups of bolt connecting holes are symmetrically formed in two ends of each metal connecting plate, and two ends of each metal connecting plate are fixed to the two groups of bolt connecting holes adjacent to the two adjacent steel track bed plates through bolts.
The utility model discloses better technical scheme: the cement-based grouting material bottom layer is formed by pouring cement-based grouting material in the area below the steel track bed plate after the steel track bed plate is positioned to the designed height, and the pouring height of the cement-based grouting material is not higher than that of the buffer layer.
The utility model discloses better technical scheme: the anchoring reinforcing steel bars adopt HRB335 reinforcing steel bars, the diameter of the reinforcing steel bars is 22-30 mm, the length of the reinforcing steel bars is 550-650 mm, and the distance between the top surface and the rail surface is 200-220 mm after each anchoring reinforcing steel bar is anchored.
The utility model discloses better technical scheme: the plurality of reinforcing rib plates of the steel track bed plate are symmetrically distributed on two sides of a middle vertical plate of the steel track bed plate and are welded with the middle vertical plate.
The utility model has the advantages of simple structure, construction convenience, this track structure has adopted the steel sleeper to replace the railway roadbed, make the vehicle load pass through the rail, the fastener directly transmits the steel sleeper, the direct transmission ground structure of rethread steel sleeper, no longer use the railway roadbed as the bearing structure of vehicle load, the thickness of railway roadbed has been reduced, thereby whole orbital height has been reduced, can draw the not enough construction position of space height, the problem of the not enough track structure thickness that arouses because space height is not enough has been solved, track structure's stability has been increased, the security and the travelling comfort of operation are guaranteed.
Drawings
FIG. 1 is a schematic plan view of the steel track bed plate of the present invention for anchoring and fixing;
FIG. 2 is a cross-sectional view AA in FIG. 1;
FIG. 3 is a schematic plan view of the steel track bed plate of the present invention connected by a connecting plate;
FIG. 4 is a cross-sectional view BB of FIG. 3;
FIG. 5 is a schematic structural view of a steel road bed plate with steel bar anchoring holes;
fig. 6 is a schematic view of the steel road bed board with bolt connecting holes of the utility model.
In the figure: the steel track slab comprises a steel track bed plate 1-upper supporting plate 1-2-lower supporting plate 1-3-middle vertical plate 2-reinforcing rib plate 3-steel track fastener mounting hole 4-cement-based grouting material bottom layer 5-buffer layer 6-steel bar anchoring hole 7-bolt connecting hole 8-steel track fastener 9-anchoring steel bar 10-metal connecting plate 11-steel track 12-gap.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Fig. 1 to 6 are drawings of the embodiment, which are drawn in a simplified manner and are only used for clearly and concisely illustrating the purpose of the embodiment of the present invention. The following detailed description of the embodiments of the present invention is presented in the drawings and is not intended to limit the scope of the invention as claimed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The steel track bed board track structure that provides in the embodiment, as shown in fig. 1 to 4, from upwards including cement base grouting material bottom 4, buffer layer 5, steel track bed in proper order and laying two rail 11 on the steel track bed down, the steel track bed comprises steel track bed board 1 that the polylith cross-section is the I shape, and has gap 12 between two adjacent steel track bed boards 1 in advance, avoids appearing the friction between two adjacent steel track bed boards 1, and the 12 width in gap between two adjacent steel track bed boards 1 is 3 ~ 6cm, can pack rubber strip or cement mortar in gap 12. The buffer layer 5 comprises rubber base plates or high-density polyethylene base plates which are bonded to the bottom surfaces of two ends of each steel track bed plate 1 and pearl wool cushion layers which are bonded to the bottom surface of the middle part of each steel track bed plate 1; the rubber base plate or the high-density polyethylene base plate on each side has the thickness of 10mm, and extends from the end part of the steel track bed plate 1 to the area which is completely covered by the steel rail fastener 8 arranged on the steel track bed plate 1; the thickness of the pearl cotton cushion layer is 15 mm. The cement-based grouting material bottom layer 4 is formed by pouring cement-based grouting material in the area below the steel track bed plate 1 after the steel track bed plate 1 is positioned to the design height, the pouring height of the cement-based grouting material is not higher than that of a rubber base plate or a high-density polyethylene base plate of the buffer layer 5, and the cement-based grouting material of the cement-based grouting material bottom layer 4 has the characteristics of high fluidity, self-compaction, no bleeding, no segregation, micro-expansion, high strength promotion speed, high strength and good durability, and is a concrete emergency repair material with good construction performance and good technical and economic effects.
In the embodiment, a steel track bed plate structure in a steel track bed plate track structure is shown in fig. 5 and 6, each steel track bed plate 1 is a steel track bed plate 1 with an I-shaped section and welded by steel plates with the thickness of 20-30 mm, the steel track bed plate 1 comprises an upper supporting plate 1-1 and a lower supporting plate 1-2 which are connected with a middle vertical plate 1-3 at the middle parts of the upper supporting plate 1-1 and the lower supporting plate 1-2, the three plate bodies have the same thickness and are welded with each other, a plurality of reinforcing rib plates 2 are welded between the upper supporting plate 1-1 and the lower supporting plate 1-2 at equal intervals, the plurality of reinforcing rib plates 2 are symmetrically distributed at two sides of the middle vertical plate 1-3 of the steel track bed plate 1 and are welded with the middle vertical plate 1-3, eight reinforcing rib plates 2 are arranged in the embodiment, and four reinforcing rib plates are arranged at each, are distributed at equal intervals. The length of steel track bed board 1 in the embodiment equals with the width of current track bed, and the width of steel track bed board 1 is greater than rail fastener 8's width, can the ready-to-assemble rail fastener 8, has seted up rail fastener mounting hole 3 respectively in the position that the top surface of steel track bed board 1 is close to both ends, and two rail fastener mounting holes 3 have been seted up to every side symmetry for install rail fastener 8. As shown in fig. 1 and 3, two steel rail fasteners 8 are symmetrically installed on each steel track bed slab 1, the steel rail fasteners 8 on the same side of a plurality of steel track bed slabs 1 are arranged on the same straight line, and a steel rail 11 is fixed on the steel track bed slab 1 through the steel rail fasteners 8.
Embodiment 1 provides a steel railway roadbed slab track structure, its steel railway roadbed slab 1 adopts the mode of reinforcing bar anchor to fix, the structure of steel railway roadbed slab 1 is as shown in fig. 5, four reinforcing bar anchor holes 6 have been seted up respectively at the position that steel railway roadbed slab 1 is close to both ends, four reinforcing bar anchor holes 6 of each end distribute in 3 both sides of rail fastener mounting hole, and every reinforcing bar anchor hole 6 does not correspond the position of middle riser 1-3 and reinforcing floor 2 of steel railway roadbed slab 1, and run through to bottom suspension fagging 1-2 from last backup pad 1-1. In the steel track bed slab track structure, as shown in fig. 1 and 2, a steel track bed slab 1 is placed at the position of a track bed, and then is directly implanted into a ground foundation structure from each steel bar anchoring hole 6 through an anchoring steel bar 9 to be fixed. This steel railway roadbed board 1 can install alone, mends the replacement as the railway roadbed that has been under construction and has the destruction, during concrete replacement, only need dig out the railway roadbed position that needs the replacement and form a rectangular channel, then place steel railway roadbed board 1 in this rectangular channel, its top surface and railway roadbed top surface parallel and level to in anchoring the construction structure below the railway roadbed through anchor reinforcing bar 9, then pour into cement base grout material to steel railway roadbed board 1 bottom surface and form cement base grout bed layer 4. The steel track bed plate 1 can also be installed together with a plurality of blocks to replace the whole track bed, and is specifically installed as shown in figure 1, a gap is reserved between two adjacent steel sleepers during installation, and cement mortar or rubber strips can be filled in the gap after the installation is finished.
In the embodiment, before the cement-based slurry layer 4 is poured, an air pump is used for purging the section where the open water exists. And after the grouting is finished, viscous epoxy daub or other materials are adopted to plug ditch cracks, roadbed expansion joints, construction joints and the like on two sides of the roadbed, so that conditions are provided for next grouting, and a large amount of grouting materials are prevented from losing. The pouring mode can adopt that grouting holes are arranged on the steel track bed plate for pouring, or can adopt that the pouring is directly carried out from the gap of the side surface after a plurality of steel track bed plates 1 are constructed, and a common newly-laid track can be directly poured from the gap of the side surface in the laying process. When the damaged ballast bed is improved, the grouting holes are generally adopted for grouting, the grouting holes need to be arranged in advance, the hole diameter is 22mm, and the hole diameter of the purchased grouting pipe needs to meet the requirement. The drill holes are arranged in a quincunx shape, the depth of each hole is about 150mm, and the bottom of each drill hole is required to be lower than the bottom surface of a ballast bed void layer. The hole is formed by a water drill or other equipment, the impact damage to the ballast bed cannot be caused during the hole forming construction, and slag and hole cleaning are carried out after the hole forming. And after the grout hole is cleaned, sealing the hole by adopting early strength cement and burying the pipe. And then grouting is started, the grouting pressure is controlled to be 0.1-0.4 Mpa, and the grouting pressure is adjusted in the range according to the field grouting condition. Grouting should be carried out in sections, and the length of each section should not be more than 12.5 m. After the grouting holes are drilled on the same day, the grouting work of the ballast bed in the section is finished at the latest in the next day, and then the drilling work of the grouting holes in the adjacent sections can be started. The selected grouting material needs to meet the requirements in technical Specification for application of Cement-based grouting Material GBT50448-2008 and Table 1.
TABLE 1 technical index Table of cement-based grouting material
The utility model discloses it is right to combine specific embodiment further to explain below, the embodiment is certain subway line construction project, and this subway line route is one and is located city western, wholly is the circuit of north-south trend, and the total length of circuit is 16.4km, all is the underground line. The subway line passes through a certain section, which is a reserved project in the previous construction stage and belongs to the existing structure. The height of the reserved tunnel structure is designed according to the vehicle height meeting 3.5m, but in the subway line engineering design, the standard B1 type vehicle with the vehicle height of 3.8m is adopted for determining the vehicle height, and the design height of the tunnel structure is required to meet the traffic of the vehicle with the vehicle height of 3.8 m. For the reserved existing structure section, the tunnel clearance cannot be adjusted and only the height of the track structure can be compressed due to the limitation of the reserved height of the original tunnel structure.
In order to solve the track height problem of this reservation structure section, the inventor of this project adopts the utility model discloses in implement 1 track structure and construct, its steel railway bed board adopts the 25mm steel sheet to form at the steel mill rolling, the section is "worker" font, and 4 reinforcing floor of welding in inside, correspond rail both sides drilling at the sleeper both ends, 8 holes are bored to each end, form reinforcing bar anchor hole 6, its anchor adopts HRB335 reinforcing bar, reinforcing bar diameter 25mm, length is 600mm, it is 217mm to require anchor back reinforcing bar top surface apart from the rail surface. The diameter of a drilled hole of the structure is 27mm, and the depth of the drilled hole is determined according to the distance from the top of the steel bar to the interface of the structure. And (3) adhering 10mm high-density polyethylene base plates to the bottom surfaces of the two ends of the steel sleeper, which correspond to the rail mounting parts, by using glue, and firmly adhering 15mm pearl cotton to the bottom surface of the middle part of the steel sleeper by using adhesive tapes.
The concrete construction process of the track structure is as follows:
(1) the steel track bed plate 1 with the buffer layer adhered to the bottom is erected on a line through a supporting device, a steel (or wood) bracket manufactured in advance is used for positioning, anchoring glue is poured into the steel bar anchoring holes 6, anchoring steel bars 9 are implanted to fix the steel sleeper to the position of the original track bed, and the elevation of the steel bed plate is adjusted to the original design height.
(2) The two ends of the steel track bed plate 1 are provided with templates, and high-strength cement-based grouting material is poured under the supported steel track bed plate 1 for filling, wherein the surface of the grouting material is not higher than the top surface of the high-density polyethylene base plate. The high-strength cement-based grouting material is prepared by processing a high-strength material serving as an aggregate, cement serving as a binding agent and substances such as a high flow state, micro-expansion, segregation prevention and the like through a strict process, has the characteristics of simplicity, convenience and rapidness in construction, rapidness in strength development and the like, can meet the requirements of repairing in skylight time of subway lines and train passing after the skylight time, and has material performance indexes shown in table 1.
(3) Technical performance of the cement-based grouting material after the cement-based grouting material reaches the strength, the supporting device is removed, a steel rail fastener 8 is installed on the steel track bed plate 1, and the steel rail fastener 8 can be assembled on the steel track bed plate 1 before the steel track bed plate 1 is fixed; all exposed surfaces of the steel track bed plate 1 need to be coated with antirust paint. After a plurality of steel track bed boards 1 are installed, steel rails 11 are laid, the track is finely adjusted, the geometric shape and position conditions of the track are checked, and the line operation conditions are recovered after the requirements are met.
Adopt steel track bed board 1 to replace current concrete roadbed in the embodiment, can be with steel rail fastener snap-on at steel track bed board 1 to the installation rail, make the vehicle load pass through rail, fastener, the direct transmission of steel sleeper to tunnel structure, and no longer use the roadbed as the bearing structure of vehicle load, fundamentally solves the not enough problem of roadbed structure thickness that the tunnel space is not enough to cause, increases track structure's stability, guarantees the security and the travelling comfort of operation.
The above description is only for the purpose of illustrating a few embodiments of the present invention, and the description is specific and detailed, but not intended to limit the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a steel railway roadbed board track structure which characterized in that: the track structure sequentially comprises a cement-based grouting material bottom layer (4), a buffer layer (5), a steel track bed and two steel rails (11) laid on the steel track bed from bottom to top, wherein the steel track bed consists of a plurality of steel track bed plates (1) with I-shaped sections, a gap (12) is reserved between every two adjacent steel track bed plates (1), and the buffer layer (5) is fixedly bonded to the bottom surface of each steel track bed plate (1); a plurality of reinforcing rib plates (2) are equidistantly welded between an upper supporting plate (1-1) and a lower supporting plate (1-2) of each steel track bed plate (1), steel rail fastener mounting holes (3) are respectively formed in positions, close to two ends, of the top surface of each steel track bed plate (1), two steel rail fasteners (8) are symmetrically mounted on each steel track bed plate (1), the steel rail fasteners (8) on the same side of the steel track bed plates (1) are arranged on the same straight line, and a steel rail (11) is fixed on the steel track bed plates (1) through the steel rail fasteners (8); reinforcing steel bar anchoring holes (6) or bolt connecting holes (7) are formed in the positions, close to the two ends, of each steel track bed plate (1), when reinforcing steel bar anchoring holes (6) are formed in the two ends of each steel track bed plate (1), a plurality of reinforcing steel bar anchoring holes (6) are formed in each end, each reinforcing steel bar anchoring hole (6) penetrates through the lower supporting plate (1-2) from the upper supporting plate (1-1), an anchoring steel bar (9) is inserted into each reinforcing steel bar anchoring hole (6), and the lower end of each anchoring steel bar (9) penetrates through the buffer layer (5) and the cement-based grouting material bottom layer (4) and is anchored in the ground foundation structure below the cement-based grouting material bottom layer (4); when bolt connecting holes (7) are formed in the two end portions of each steel track bed plate (1), two adjacent steel track bed plates (1) are connected through metal connecting plates (10), and the two ends of each metal connecting plate (10) are fixed to the bolt connecting holes (7) of the two adjacent steel track bed plates (1) through bolts respectively.
2. A steel track bed slab track structure as claimed in claim 1, in which: the steel track bed board (1) is a supporting plate which is formed by welding steel plates with the thickness of 20-30 mm and has an I-shaped section, the length of the steel track bed board (1) is equal to the width of the existing track bed, and the width of the steel track bed board (1) is larger than that of a steel rail fastener (8).
3. A steel track bed slab track structure as claimed in claim 1 or 2, wherein: the buffer layer (5) comprises rubber base plates or high-density polyethylene base plates which are bonded to the bottom surfaces of the two ends of each steel track bed plate (1) and pearl wool cushion layers which are bonded to the bottom surface of the middle part of each steel track bed plate (1); the thickness of the rubber base plate or the high-density polyethylene base plate on each side is 10-12 mm, and the rubber base plate or the high-density polyethylene base plate extends from the end part of the steel track bed plate (1) to a region which is completely covered by a steel rail fastener (8) arranged on the steel track bed plate (1); the thickness of the pearl cotton cushion layer is 15-20 mm.
4. A steel track bed slab track structure as claimed in claim 1 or 2, wherein: the width of a gap (12) between two adjacent steel track bed boards (1) is 3-6 cm, and rubber strips or cement mortar are filled in the gap (12).
5. A steel track bed slab track structure as claimed in claim 1 or 2, wherein: four steel bar anchoring holes (6) are formed in each end of the steel track bed plate (1), the four steel bar anchoring holes (6) are distributed on two sides of the steel rail fastener mounting hole (3) and do not correspond to positions of middle vertical plates (1-3) and reinforcing rib plates (2) of the steel track bed plate (1); two sets of bolted connection holes (7) have been seted up at every end of steel railway roadbed board (1), and two sets of bolted connection holes (7) are all seted up in the region outside rail fastener mounting hole (3) to use the well line of dividing of steel railway roadbed board (1) to be central line symmetric distribution in the position that is close to steel railway roadbed board (1) edge, two sets of bolted connection holes have been seted up to the both ends symmetry of metal connecting plate (10), and bolt fastening is passed through respectively in two sets of bolted connection holes (7) departments that adjacent two steel railway roadbed boards (1) are adjacent at every metal connecting plate (10) both ends.
6. A steel track bed slab track structure as claimed in claim 1 or 2, wherein: the cement-based grouting material bottom layer (4) is formed by pouring cement-based grouting material in the area below the steel track bed plate (1) after the steel track bed plate (1) is positioned to the designed height, and the pouring height of the cement-based grouting material is not higher than the buffer layer (5).
7. A steel track bed slab track structure as claimed in claim 1 or 2, wherein: HRB335 reinforcing bars are adopted in the anchoring reinforcing bars (9), the diameter of the reinforcing bars is 22-30 mm, the length of the reinforcing bars is 550-650 mm, and the distance between the top surface and the rail surface is 200-220 mm after each anchoring reinforcing bar (9) is anchored.
8. A steel track bed slab track structure as claimed in claim 1 or 2, wherein: the reinforcing rib plates (2) of the steel track bed plate (1) are symmetrically distributed on two sides of a middle vertical plate (1-3) of the steel track bed plate (1) and are welded with the middle vertical plate (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893537.3U CN210561471U (en) | 2019-06-13 | 2019-06-13 | Steel track bed board track structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893537.3U CN210561471U (en) | 2019-06-13 | 2019-06-13 | Steel track bed board track structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210561471U true CN210561471U (en) | 2020-05-19 |
Family
ID=70635682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893537.3U Active CN210561471U (en) | 2019-06-13 | 2019-06-13 | Steel track bed board track structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210561471U (en) |
-
2019
- 2019-06-13 CN CN201920893537.3U patent/CN210561471U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101063289B (en) | City-rail steel spring floating slab rail bed railroad switch construction method | |
| CN106758590B (en) | Construction temporary beam for replacing railway track under non-stop condition and construction method | |
| CN103352401B (en) | Embedded type track | |
| CN203411863U (en) | Embedded rail | |
| CN104532690B (en) | Separate type track structure is prefabricated and construction method | |
| CN110106751B (en) | Settlement adjustment method suitable for CRTS II type plate ballastless track | |
| CN208604416U (en) | A kind of continuous supporting track structure of assemblyization | |
| CN117758549A (en) | Construction process of ballastless track of urban railway | |
| CN210826938U (en) | Track structure suitable for urban rail transit construction is supporting 8 types track board | |
| KR20130009391A (en) | Method for manufacturing concrete block for railway track and method for laying railway track using concrete block manufactured by the same method | |
| CN210657807U (en) | Steel sleeper capable of replacing ballast bed as bearing structure | |
| CN105926381B (en) | Method for replacing ballast track bed of tunnel with ballastless track under condition of uninterrupted driving | |
| CN210561471U (en) | Steel track bed board track structure | |
| CN208995842U (en) | Level crossing mouth railway roadbed | |
| RU2004129299A (en) | RAIL BEDROOM AND BALLAST-FREE DESIGN OF RAILWAYS | |
| CN215104290U (en) | Prefabricated plate type ballastless track structure | |
| CN213772737U (en) | Strut type straight-paving slab ballastless track system | |
| RU2352705C1 (en) | Method for installation of permanent way | |
| CN111877054A (en) | Prefabricated plate type track structure convenient for rapid construction and construction method thereof | |
| CN113106790A (en) | Prefabricated plate type ballastless track structure | |
| CN210134295U (en) | Plate-type track system | |
| CN110364958B (en) | Method for laying cable duct on roadbed | |
| US20240084514A1 (en) | Rail support arrangement | |
| CN118668536B (en) | Short sleeper bearing table type integral ballast bed emptying treatment method | |
| CN114717883B (en) | Rapid installation method of prefabricated foundation structure for railway detection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |