Embedded track monolithic bed construction method

Abstract

The application discloses an embedded track monolithic track bed construction method, comprising the following steps: S1, determining a reference track; S2, assembling a detachable rail groove row frame; S3, hoisting and transporting; S4, preparing before pouring; S5, pouring concrete; S6, removing the detachable rail groove row frame; S7, installing a temporary transportation channel and pouring the next section; S8, removing the temporary transportation channel and welding a rail grinder; S9, installing a walking track; and S10, pouring a high polymer damping material. The detachable rail groove row frame improves the construction precision of the monolithic track bed, reduces the workload of adjustment and positioning, and can be simultaneously assembled with track installation, greatly shortening the construction period, meeting the material transportation demand during segmented construction using a rail car, and being convenient to use.

Description

Technical Field

[0001] This invention relates to the field of transportation rail engineering technology, and in particular to a method for constructing an embedded integral track bed. Background Technology

[0002] Track laying typically employs monolithic ballast construction. Monolithic ballast offers numerous advantages, including reduced maintenance, simple structure, strong integrity, and a clean surface, and is widely used in railways both domestically and internationally. The current construction process for monolithic ballast is as follows: First, a concrete ballast bed is poured at the designed location. The pouring of the ballast bed must ensure its flatness and strength to meet the requirements of subsequent track installation. Then, after the ballast bed has solidified, rail slots are installed. These slots are channel-shaped structures used to fix the rails and are usually installed on the ballast surface to ensure the stability and accuracy of the rails. Next, other components (rails, etc.) are installed and their positions adjusted. It is evident that in current monolithic ballast construction, the ballast bed and track are constructed sequentially. However, the quality of the cast-in-place concrete for the ballast bed is difficult to guarantee. The rail slots and rails on the monolithic ballast bed require repeated positioning and adjustment using height or leveling blocks. This adjustment and positioning work is labor-intensive and highly dependent on the skill level of the workers, resulting in relatively poor construction accuracy. In the course of their work, the applicant considered how to embed the rail support groove into the track bed before the track bed is poured in order to reduce the amount of work required for subsequent adjustment and positioning. However, the overall track bed is basically poured in sections, and the embedded track must also be laid in sections to meet the construction conditions for embedded track.

[0003] Furthermore, due to the segmented construction process of the track bed, the pouring progress of each segment varies, and there are frequent material transfers between segments. If gantry cranes and flatbed trucks are used for all these tasks, the material transfer and track installation processes can only be carried out sequentially, resulting in a long construction period. Material transfer at the track construction site is usually done using railcars, but existing track bed construction methods do not allow for railcar movement and therefore cannot meet the requirements. For segmented construction, since the rail support grooves are embedded in the track bed, the embedded structure can be utilized. Therefore, there is an urgent need for a method for constructing an embedded integral track bed suitable for segmented construction. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a method for constructing an embedded track integral track bed, which can improve the construction accuracy of the integral track bed, reduce the workload of adjustment and positioning, shorten the construction cycle, and meet the needs of material transportation when using track vehicles for segmented construction.

[0005] The objective of this invention is achieved through the following technical solution: a method for constructing an embedded integral track bed, comprising the following steps:

[0006] S1. Determine the reference rail: Select a steel rail that matches the length of the track bed segment pouring as the reference rail for the detachable rail support frame. It should be noted that the reference rail serves as the positioning reference for the long rail support groove. The steel rail used in normal operation is a fixed length 25m U75V boltless 60kg / m I-beam, and its performance indicators and dimensions meet the requirements of "Steel Rail Part 1: 43kg / m-75kg / m Steel Rail" (TB / T2344.1-2020). The length of the reference rail should be convenient for hoisting. The length of the reference rail is 0.5-1.0m shorter than the length of the track bed segment pouring at both ends. In this application, since the reference rail is reused, the reference rail is applicable to a section of the track bed segment pouring length. For places where the length of the track bed segment pouring length changes, the reference rail can be replaced to meet the usage requirements.

[0007] S2. Assemble the detachable rail support frame: Arrange long rail support slots below the reference rail. The long rail support slots are detachably installed on the reference rail using a first tooling to form a detachable rail support frame. Then, fix the detachable rail support frame onto the rail panel frame. The rail panel frame uses existing equipment. The first tooling uses the reference rail as the positioning reference (the first connecting plate and the bottom of the reference rail are the references). The long rail support slots use the second connecting plate as the positioning reference. The rail panel frame supports the first tooling to achieve support for the detachable rail support frame. During hoisting and transportation, the reference rail and the long rail support slots will not be damaged. The long rail support slots are spliced ​​from multiple rail support slots. The rail support slots are made of Q235B steel, which are welded steel structures in the factory. They have anchors on both sides to strengthen the connection with the concrete. The outer side of the rail support slots is sprayed with epoxy iron oxide red primer with a dry film thickness >30μm. The existing rail support slots are prefabricated standard parts, usually 2 meters in length. Therefore, they can be spliced ​​to meet the long rail support slots required for construction.

[0008] The first tooling consists of multiple evenly distributed connecting frames. Each connecting frame includes a first connecting plate, a second connecting plate, and a support plate connecting the first connecting plate and the second connecting plate. The reference rail is placed on the first connecting plate. Clamping blocks are provided on both sides of the reference rail. The clamping blocks fix the reference rail to the first connecting plate by clamping bolts. The second connecting plate is fixed to the long groove of the rail by connecting bolts.

[0009] Preferably, the length of the rail support groove is not less than the length of the track bed segment pouring. Before pouring, it is sufficient to ensure that the adjacent rail support grooves can be easily connected. For example, if the length of the track bed segment pouring is 20 meters, the length of the rail support groove splicing is 21 meters, and the two ends are extended by 0.5 meters. When pouring the next section of track bed, the excess 0.5 meters can be cut off. The joint of the two rail support grooves is polished smooth.

[0010] S3. Lifting and Transportation: The rail frame is lifted and transported to the construction site using a gantry crane and flatbed truck.

[0011] S4. Construction preparation before pouring: Install the track bed pouring formwork and reinforcement at the predetermined pouring position at the construction site, and then adjust the position of the rail frame until the long rail groove on the detachable rail support frame is in the design position.

[0012] S5. Concrete the track bed according to the design requirements to ensure that the long rail groove of the detachable rail support frame is embedded in the track bed.

[0013] S6. Dismantle the detachable rail support frame: After the concrete strength reaches the standard, dismantle the rail support frame, reference rail and first tooling in sequence. Then transport the rail support frame, reference rail and first tooling back and repeat steps S2-S5. Transport the newly assembled detachable rail support frame to the construction site of the next section of track bed and prepare it.

[0014] S7. Installation of temporary transport channel and pouring of the next section: The rails to be used for formal operation are transported to the long rail support groove embedded in the track bed, and the rails are fixed in the long rail support groove by temporary fixing components to form a temporary embedded track. The temporary embedded track is a temporary transport channel for the movement of the railcar. The track bed with the temporary transport channel installed is used for material transfer between each section of track bed by railcar. Then, the newly assembled detachable rail support groove frame is used to pour the next section of track bed.

[0015] The temporary fixing assembly includes a bottom pad and fixing fixtures located on both sides of the rail. The bottom pad is placed on the long rail groove, and the bottom of the rail presses against the bottom pad to prevent the rail from tipping over during railcar operation. The fixing fixtures include a long rail groove pad block, a rail pad block, and a tightening bolt. The long rail groove pad block consists of a pressure plate I pressing on the groove opening and a positioning plate connected to the pressure plate I. The rail pad block consists of multiple pressure plates II arranged along the rail web, with gaps between adjacent pressure plates II for operating the tightening bolt. The positioning plate has a second mounting hole. When the rail is locked, one side of the rail pad block abuts against the rail web, and the other side of the rail pad block abuts against the positioning plate. The tightening bolt passes through the second mounting hole and contacts the side wall of the long rail groove. Adjusting shims are also provided between the positioning plate and the rail pad block to adjust the distance between them.

[0016] S8. Dismantle the temporary transport channel and weld the rails: After the track bed is poured in sections and the materials between each section are transferred, the embedded rail section is no longer needed as a temporary transport channel. Remove the temporary fixing components and then weld the rails of the entire track bed line. After welding, remove rust and grind the rails and the long grooves of the rails.

[0017] S9. Install the traveling track: Multiple adjustment installation positions are set on the long rail bearing groove. The rail is placed into the long rail bearing groove. A first adjustment component is arranged on each adjustment installation position. The rail height is adjusted to the design requirements by the first adjustment component. The adjustment installation position includes several rail contraction joint reserved points and multiple track gauge adjustment points evenly arranged between adjacent rail contraction joint reserved points. Then, noise reduction components are installed on the rail contraction joint reserved points, and second adjustment components are installed on the track gauge adjustment points. The rail gauge is adjusted by the second adjustment component until the design requirements are met.

[0018] The first adjustment component consists of an elastic pad, a height adjustment pad, and a rail base slope pad. The elastic pad is bonded to the long rail groove, the rail base slope pad is positioned under the rail and in contact with it, and the height adjustment pad is placed between the elastic pad and the rail base slope pad, adjusting the rail height accordingly. The elastic pad is made of polyurethane microporous foam material. Elastic pads at different adjustment positions can be laid continuously within the rail groove or spaced out according to the adjustment position. The rail base slope pad is made of natural rubber, styrene-butadiene rubber, or EPDM rubber. The height adjustment pad is also made of natural rubber, styrene-butadiene rubber, or EPDM rubber, with thicknesses of 2 / 3 / 4 / 10mm. It is laid on top of the elastic pad at 1m intervals to adjust the rail top elevation. No more than five layers of height adjustment pads are used at the same location.

[0019] The noise reduction component is a noise reduction block that is bonded to the web of the rail on both sides. The noise reduction block is made of polyurethane and rubber particles.

[0020] The second adjustment assembly includes an inner wedge block, an outer wedge block, and adjustment blocks symmetrically installed on the rail web. The inner wedge block is placed between the adjustment block near the inner rail web and the side wall of the long rail groove, and the outer wedge block is placed between the adjustment block near the outer rail web and the side wall of the long rail groove. The inner wedge block, outer wedge block, and adjustment blocks are all made of glass fiber reinforced nylon.

[0021] S10. Pour polymer damping material into the adjusted track until the design requirements are met. After pouring, an embedded track bed is obtained. The polymer damping material is a two-component polyurethane, which is mixed, poured, and cured. The performance indicators of the polymer damping material meet the requirements of the track system.

[0022] The long groove of the rail bearing is provided with multiple first mounting holes that match the connecting bolts, and the first connecting plate is provided with threaded holes that match the clamping bolts. The first mounting holes are blind threaded holes. Since the bottom surface of the long groove of the rail bearing will be in contact with concrete during pouring, and the first tooling will be removed after pouring and forming, the first mounting holes are set as blind threaded holes. This can effectively meet the usage requirements and will not cause damage to the concrete surface or the tooling. If through holes were set, concrete would seep into the through holes, affecting the removal work.

[0023] Preferably, the centerline of the rail-bearing groove is aligned with the centerlines of the reference rail, the temporary transport channel rail, and the traveling track rail.

[0024] As can be seen, the detachable rail support frame structure design in this application allows the positioning reference of the long rail support groove to be based on the reference rail. During track bed pouring, the rail support frame, reference rail, and first tooling are fixed and can reach the design position in one go without repeated positioning and adjustment later. The long rail support groove of the detachable rail support frame is embedded in the track bed, while the rail support frame, reference rail, and first tooling are transported back. The assembly, hoisting and transportation steps of the new detachable rail support frame and the installation of the temporary transport channel can be carried out simultaneously, which greatly improves construction efficiency. The temporary transport channel is fixed by tightening the top bolts of the temporary fixing components. The railcar is a small material transport vehicle with relatively low travel requirements. Therefore, fixing it with temporary fixing components is sufficient to meet its travel requirements. After the material transfer is completed, the temporary transport channel is replaced with the normal travel track, which not only meets the requirements for temporary material transfer but also ensures the installation of the normal travel track.

[0025] The beneficial effects of the present invention are: (1) The rail support frame adopts a detachable structure. The long rail support is positioned by the first tooling. After the positioning adjustment is carried out before the track bed is poured, the long rail support (track) is embedded in the track bed after pouring. This eliminates the step of multiple adjustments after pouring in the existing method, improves the overall track bed construction accuracy, and reduces the workload of adjustment and positioning; (2) The assembly of the detachable rail support frame and the installation of the track can be carried out at the same time, which greatly shortens the construction cycle; (3) The replacement of the temporary transport channel and the normal walking track on the embedded long rail support can meet the needs of material transfer when using the track vehicle for segmented construction, which is convenient to use. Attached Figure Description

[0026] Figure 1 This is a flowchart illustrating the construction process of the present invention.

[0027] Figure 2 This is a schematic diagram of the assembly structure of the detachable rail support frame of the present invention;

[0028] Figure 3 This is a schematic diagram illustrating the installation of the temporary transport channel of the present invention;

[0029] Figure 4 This is a schematic diagram showing the arrangement of the temporary fixing components of the present invention;

[0030] Figure 5 This is a schematic diagram of the reserved points for the track contraction joint after the casting of the present invention.

[0031] Figure 6 This is a schematic diagram of the track gauge adjustment points after the casting is completed according to the present invention.

[0032] Figure 7 This is a schematic diagram showing the arrangement of the track joint reserved points and track gauge adjustment points of the present invention.

[0033] Figure 8 This is a cross-sectional view of the integral track bed with embedded track after the casting of the present invention.

[0034] Figure 9 This is a partial plan view of the integral track bed with embedded track after the casting of the present invention.

[0035] In the diagram, 1-first tooling, 2-temporary fixing component, 3-first adjustment component, 4-noise reduction component, 5-second adjustment component, 101-first connecting plate, 102-second connecting plate, 103-support plate, 104-clamping block, 105-clamping bolt, 106-first mounting hole, 107-connecting bolt, 108-threaded hole, 201-bottom pad, 202-rail bearing long groove pad, 203-rail pad, 204- Pressure plate I, 205-positioning plate, 206-pressure plate II, 207-tightening bolt, 208-gap, 209-second mounting hole, 210-adjusting shim, 301-elastic pad, 302-height adjustment pad, 303-rail bottom slope pad, 501-inner wedge block, 502-outer wedge block, 503-adjusting block, 6-reference rail, 7-rail bearing groove, 8-rail panel, 9-rail, 10-polymer damping material filler. Detailed Implementation

[0036] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] like Figure 1 As shown, a method for constructing an embedded track integral bed includes the following steps:

[0038] S1. Determine the reference rail: Select a steel rail that matches the length of the track bed segment casting as the reference rail for the detachable rail support frame.

[0039] S2. Assemble the detachable rail support frame: such as Figure 2 As shown, a long rail support groove 7 is arranged below the reference rail 6. The long rail support groove 7 is detachably installed on the reference rail 6 through the first tooling 1 to form a detachable rail support groove frame. Then, the detachable rail support groove frame is fixed on the rail frame 8. Specifically, the long rail support groove 7 is assembled on the ground. The long rail support groove 7 is arranged in groups of 10m + 10m + 4m. Each group consists of 5 pairs + 5 pairs + 2 pairs of rail support grooves (a total of 24 rail support grooves, 12 for each of the left and right rails) and 30 pieces of the first tooling 1. The end length is less than 2m. The actual length is measured and a portion of the long rail support groove 7 is reserved for later installation. The bottom of the long rail support groove 7 is connected and fixed to the first tooling 1 through connecting bolts 107 (M12). The reference rail 6 is placed on top of the first tooling 1 and fixed to the upper part of the long rail support groove 7 with corresponding clamping blocks 104 and clamping bolts 105. The track gauge of the left and right reference rails 6 is measured with a track gauge. After the distance meets the requirements, the first tooling 1 is fixed.

[0040] The first tooling 1 consists of multiple evenly distributed connecting frames. Each connecting frame includes a first connecting plate 101, a second connecting plate 102, and a support plate 103 connecting the first connecting plate 101 and the second connecting plate 102. The reference rail 6 is placed on the first connecting plate 101. Clamping blocks 104 are provided on both sides of the reference rail 6. The clamping blocks 104 fix the reference rail 6 to the first connecting plate 101 by clamping bolts 105. The second connecting plate 102 is fixed to the rail support groove 7 by connecting bolts 107. The rail support groove 7 is provided with multiple first mounting holes 106 that match the connecting bolts 107. The first connecting plate 101 is provided with threaded holes 108 that match the clamping bolts 105. The first mounting holes 106 are blind threaded holes.

[0041] S3. Lifting and transportation: Lifting and transporting the rail frame (including detachable rail support frame) to the construction site.

[0042] S4. Construction preparation before pouring: Install the track bed pouring formwork and reinforcement at the predetermined pouring position at the construction site, and then adjust the position of the rail frame until the long rail groove on the detachable rail support frame is in the design position.

[0043] S5. Concrete the track bed according to the design requirements to ensure that the long rail groove of the detachable rail support frame is embedded in the track bed. During the concrete pouring process, the vibration of the bottom of the long rail groove should be strengthened to ensure that the concrete at the bottom of the long rail groove is fully filled. In order to prevent the long rail groove from being contaminated during the concrete pouring process, the long rail groove must be filled and covered with plastic sheeting or waste geotextile before pouring.

[0044] S6. Dismantle the detachable rail support frame: After the concrete strength reaches the standard, dismantle the rail support frame, reference rail and first tooling 1 in sequence. Then transport the rail support frame, reference rail and first tooling 1 back and repeat steps S2-S5. Transport the newly assembled detachable rail support frame to the construction site of the next section of track bed and prepare it.

[0045] S7. Install temporary transport channels and proceed with the next section of pouring: (e.g.) Figures 3-4 As shown, the steel rails 9 used for formal operation are transported to the long rail support grooves 7 embedded in the track bed, and the steel rails 9 are fixed in the long rail support grooves 7 by the temporary fixing components 2 to form a temporary embedded track. The temporary embedded track is a temporary transportation channel for the movement of the track vehicle. The track bed sections are transferred between each other by the track vehicle after the temporary transportation channel is installed. Then, the next section of track bed is poured using the newly assembled detachable rail support groove frame.

[0046] The temporary fixing assembly 2 includes a bottom pad 201 and fixing fixtures located on both sides of the rail 9. The bottom pad 201 is placed on the long rail groove, and the bottom of the rail presses on the bottom pad 201. The fixing fixtures include a long rail groove pad 202, a rail pad 203, and a tightening bolt 207. The long rail groove pad 202 consists of a pressure plate I204 pressing on the groove opening of the long rail groove 7 and a positioning plate 205 connected to the pressure plate I204. The rail pad 203 consists of multiple pressure plates II 206 arranged along the web of the rail. A gap 208 is provided between adjacent pressure plates II 206 for operating the tightening bolt 207. The positioning plate 205 has a second mounting hole 209. When the rail 9 is locked, one side of the rail pad 203 abuts against the web of the rail, and the other side of the rail pad 203 abuts against the positioning plate 205. The tightening bolt 207 passes through the second mounting hole 209 and contacts the side wall of the rail bearing groove 7. An adjusting shim 210 is also provided between the positioning plate 205 and the rail pad 203.

[0047] Preferably, the thickness of the bottom pad 201 does not exceed 30cm.

[0048] S8. Dismantle the temporary transport channel and weld the rails: After the track bed is poured in sections and the materials between each section are transferred, the embedded track section is no longer needed as a temporary transport channel. Remove the temporary fixing component 2, and then weld the rails of the entire track bed line. After welding, remove rust and grind the rails and the long grooves of the rail bearing.

[0049] The steel rails and rail bearing grooves are ground and rusted using a handheld grinder or other rust removal equipment on the bonding surface between the steel rails and the polymer damping material (excluding the rail bottom). If there are a lot of concrete blocks or laitance inside the rail bearing groove, they need to be cleaned in advance.

[0050] S9. Install the running track: such as Figures 5-7 As shown, multiple adjustment installation positions are set on the long rail support groove 7. The rail is placed in the long rail support groove, and a first adjustment component 3 is arranged on each adjustment installation position. The height of the rail is adjusted to the design requirements by the first adjustment component 3. The adjustment installation positions include several rail contraction joint reserved points a and multiple gauge adjustment points b evenly arranged between adjacent rail contraction joint reserved points a. Then, a noise reduction component 4 is installed on the rail contraction joint reserved points a, and a second adjustment component 5 is installed on the gauge adjustment points b. The rail gauge is adjusted by the second adjustment component 5 until the design requirements are met. It should be noted that since the polymer damping material is cast integrally in the long rail support groove 7, the rail contraction joint reserved points a are reserved in the design. The gauge adjustment points b are confirmed on site according to the rail length. The distance between the gauge adjustment points b can be evenly arranged according to the actual situation, generally with a spacing of 1-1.5m.

[0051] The first adjustment component 3 consists of an elastic pad 301, a height adjustment pad 302, and a rail base slope pad 303. The elastic pad 301 is bonded to the long rail groove 7. The rail base slope pad 303 is positioned under the rail and in contact with the rail 9. The height adjustment pad 302 is placed between the elastic pad 301 and the rail base slope pad 303, and the height of the rail is adjusted using the height adjustment pad 302. The rail base slope pad 303 should be laid with the thicker side facing outwards from the track.

[0052] The second adjustment component 5 includes an inner wedge block 501, an outer wedge block 502, and an adjustment block 503 symmetrically installed on the web of the rail 9. The inner wedge block 501 is placed between the adjustment block 503 on the inner side of the rail 9 and the side wall of the rail bearing groove 7, and the outer wedge block 502 is placed between the adjustment block 503 on the outer side of the rail 9 and the side wall of the rail bearing groove 7.

[0053] S10. Pour polymer damping material into the adjusted track until the design requirements are met. After the polymer damping material cures and solidifies, a polymer damping material filler 10 is formed between the long groove 7 and the rail 9. Figures 8-9 As shown, the embedded track bed is obtained after pouring. The polymer damping material uses polyurethane components A and B. During pouring, one bucket of component B and one bucket of component A are poured into the mixing bucket separately and stirred thoroughly for 2 minutes using a mixer. During stirring, the mixing head must not protrude from the material surface to avoid introducing a large number of air bubbles. Pouring should start from one side of rail 9. After the polymer damping material overflows from the bottom of the rail on the other side, pouring should be carried out on the other side to prevent air from accumulating at the bottom of the rail. During pouring, avoid the material overflowing from the rail bearing groove. The pouring height on both sides of the rail is 5cm below the rail surface. After pouring, use a brush to continuously clean the surface of the polymer elastomer to remove air bubbles and ensure surface quality. The polymer damping material has fluidity, and in areas with a large longitudinal slope, multiple pours should be made until the surface is smooth.

[0054] The above description is merely a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A method for constructing an embedded integral track bed, characterized in that, Includes the following steps: S1. Determine the reference rail: Select a steel rail that matches the length of the track bed segment casting as the reference rail for the detachable rail support frame. S2. Assemble the detachable rail support frame: Arrange the long rail support groove below the reference rail. The long rail support groove is detachably installed on the reference rail through the first tool (1) to form a detachable rail support frame. Then fix the detachable rail support frame on the rail frame. S3. Hoisting and Transportation: Hoisting and transporting the rail panel to the construction site; S4. Construction preparation before pouring: Install the track bed pouring formwork and reinforcement at the predetermined pouring position at the construction site, and then adjust the position of the rail frame until the long rail groove on the detachable rail support frame is in the design position. S5. Concrete the track bed according to the design requirements to ensure that the long rail groove of the detachable rail support frame is embedded in the track bed. S6. Dismantle the detachable rail support frame: After the concrete strength reaches the standard, dismantle the rail support frame, the reference rail and the first tooling (1) in sequence, and then transport the rail support frame, the reference rail and the first tooling (1) back. Repeat steps S2-S5, and transport the newly assembled detachable rail support frame to the construction site of the next section of track bed and prepare it. S7. Install temporary transport channel and pour the next section: Transport the rails for formal operation to the long rail support groove embedded in the track bed, and fix the rails in the long rail support groove to form a temporary embedded track by using temporary fixing components (2). The temporary embedded track is a temporary transport channel for the movement of the track car. The track bed with the temporary transport channel installed is transferred between each section of track bed by the track car. Then, the newly assembled detachable rail support groove frame is used to pour the next section of track bed. S8. Dismantle the temporary transport channel and weld the rails: After the track bed is poured in sections and the materials between each section of the track bed are transferred, the embedded track section is no longer needed as a temporary transport channel. Remove the temporary fixed components (2), and then weld the rails of the entire track bed line. After the welding is completed, remove the rust and grind the rails and the long groove of the rail bearing. S9. Install the traveling track: Multiple adjustment installation positions are set on the long groove of the rail bearing. The rail is placed in the long groove of the rail bearing. A first adjustment component (3) is arranged on each adjustment installation position. The height of the rail is adjusted to the design requirements by the first adjustment component (3). The adjustment installation position includes several rail joint reserved points and multiple track gauge adjustment points evenly arranged between adjacent rail joint reserved points. Then, a noise reduction component (4) is installed on the rail joint reserved points, and a second adjustment component (5) is installed on the track gauge adjustment points. The rail gauge is adjusted by the second adjustment component (5) until the design requirements are met. S10. Pour polymer damping material into the adjusted track until the design requirements are met. After pouring, an embedded track bed is obtained.

2. The method for constructing an embedded integral track bed according to claim 1, characterized in that, The first tooling (1) consists of multiple evenly distributed connecting frames. Each connecting frame includes a first connecting plate (101), a second connecting plate (102), and a support plate (103) connecting the first connecting plate (101) and the second connecting plate (102). The reference rail is placed on the first connecting plate (101). Clamping blocks (104) are provided on both sides of the rail web of the reference rail. The clamping blocks (104) fix the reference rail on the first connecting plate (101) by clamping bolts (105). The second connecting plate (102) is fixed on the long groove of the rail bearing by connecting bolts (107).

3. The method for constructing an embedded track integral bed according to claim 2, characterized in that, The long groove of the rail bearing is provided with a plurality of first mounting holes (106) that match the connecting bolts (107), and the first connecting plate (101) is provided with threaded holes (108) that match the clamping bolts (105).

4. The method for constructing an embedded track integral bed according to claim 3, characterized in that, The first mounting hole (106) is a blind threaded hole.

5. The method for constructing an embedded integral track bed according to claim 1, characterized in that, The temporary fixing assembly (2) includes a bottom pad (201) and fixing fixtures located on both sides of the rail. The bottom pad (201) is placed on the long groove of the rail, and the bottom of the rail presses on the bottom pad (201). The fixing fixtures include a long groove pad (202), a rail pad (203), and a tightening bolt (207). The long groove pad (202) consists of a pressure plate I (204) pressing on the groove opening of the long groove and a positioning plate (205) connected to the pressure plate I (204). The pad (203) is composed of multiple pressure plates II (206) arranged along the web of the rail. A gap (208) for operating the tightening bolt (207) is provided between adjacent pressure plates II (206). The positioning plate (205) is provided with a second mounting hole (209). When the rail is locked, one side of the rail pad (203) abuts against the web of the rail, and the other side of the rail pad (203) abuts against the positioning plate (205). The tightening bolt (207) passes through the second mounting hole (209) and contacts the side wall of the rail bearing groove.

6. The method for constructing an embedded integral track bed according to claim 5, characterized in that, An adjusting shim (210) is also provided between the positioning plate (205) and the rail pad (203).

7. The method for constructing an embedded track integral bed according to claim 1, characterized in that, The first adjustment component (3) consists of an elastic pad (301), an adjustment pad (302), and a rail bottom slope pad (303). The elastic pad (301) is bonded to the long groove of the rail bearing, the rail bottom slope pad (303) is arranged under the rail and in contact with the rail, and the adjustment pad (302) is placed between the elastic pad (301) and the rail bottom slope pad (303) and the height of the rail is adjusted by adjusting the height of the rail through the adjustment pad (302).

8. The method for constructing an embedded track integral bed according to claim 1, characterized in that, The noise reduction component (4) is a noise reduction block that is bonded to the web of the rail on both sides.

9. The method for constructing an embedded integral track bed according to claim 1, characterized in that, The second adjustment component (5) includes an inner wedge block (501), an outer wedge block (502), and an adjustment block (503) symmetrically installed on the rail web. The inner wedge block (501) is placed between the adjustment block (503) on the inner side of the rail web and the side wall of the rail bearing groove, and the outer wedge block (502) is placed between the adjustment block (503) on the outer side of the rail web and the side wall of the rail bearing groove.

10. A method for constructing an embedded track integral bed according to any one of claims 1-9, characterized in that, The rail-supporting groove is composed of multiple rail-supporting grooves spliced ​​together.

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