CN219280371U - Retaining wall structure for railway - Google Patents

Abstract

The disclosure relates to the technical field of railway construction, in particular to a retaining wall structure for a railway. The retaining wall structure for the railway is arranged between ballast and a roadbed, wherein the ballast is positioned above the roadbed; the retaining wall structure for the railway comprises a wall body and upright posts, wherein the wall body is arranged on the outer side of ballast, the top of the wall body is positioned above a roadbed, and the bottom of the wall body extends into the roadbed; the top of stand is connected in the wall body, and the bottom of stand stretches into in the road bed along vertical direction. The retaining wall structure for the railway can improve the overall stability of ballast so as to improve the overall stability of the railway.

Description

Retaining wall structure for railway

Technical Field

The disclosure relates to the technical field of railway construction, in particular to a retaining wall structure for a railway.

Background

Ballast is a crushed stone for supporting rail sleepers and is a common track bed structure, so that the stability of the whole ballast has a great influence on the stability of the whole railway.

At present, some railways which are put into use are improved in track elevation due to settlement of roadbeds or large-machine tamping drums, so that the thickness and width of ballasts under the tracks exceed design requirements, and part of the ballasts can be scattered on shoulders or side slopes outside the roadbeds, so that the overall stability of the ballasts is poor, and the overall stability of the railways is poor.

Disclosure of Invention

In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a retaining wall structure for railway.

The present disclosure provides a retaining wall structure for railway, which is disposed between ballast and a roadbed, the ballast being located above the roadbed; the retaining wall structure for the railway comprises a wall body and upright posts, wherein the wall body is blocked outside ballast, the top of the wall body is positioned above a roadbed, and the bottom of the wall body stretches into the roadbed; the top of stand is connected in the wall body, and the bottom of stand stretches into in the road bed along vertical direction.

Optionally, the top of the upright post extends into the wall body and is positioned at the center of the wall body, and the bottom end surface of the upright post is a plane extending along the horizontal direction.

Optionally, the top end surface of the wall body is formed into a first plane, the bottom end surface of the wall body is formed into a second plane, and the first plane and the second plane extend along the horizontal direction; the second plane has an area greater than that of the first plane.

Alternatively, the outer side of the wall is formed as a slope inclined toward a direction away from the ballast in a direction from the top of the wall to the bottom of the wall.

Optionally, the retaining wall structure for railway provided by the present disclosure further comprises a gravel structure filled between the wall body and the ballast; the top surface of the stone crushing structure is flush with the first plane.

Optionally, a water drain hole is formed in the wall body and is positioned above the roadbed; the water inlet end of the water discharge hole faces to the ballast, the water outlet end of the water discharge hole faces to one side away from the ballast and is communicated with a space outside the wall body; the water inlet end is positioned above the water outlet end.

Optionally, the plurality of water draining holes are arranged in a plurality of rows and columns in the wall body.

Optionally, a drain pipe matched with the drain hole is arranged in the drain hole, and a water inlet of the drain pipe is coated with filter cloth.

Optionally, a plurality of expansion joints are arranged on the wall body at intervals along the extending direction of the wall body; the expansion joint extends along the horizontal direction, and the side wall of the expansion joint is provided with a hemp rib.

Optionally, the retaining wall structure for railway further comprises a shoulder pad arranged on the outer side of the wall body, and the inner side surface of the shoulder pad is attached to the wall body; the bottom surface of shoulder pad and the bottom surface of wall body are located the coplanar, and the lateral surface of shoulder pad and the lateral surface parallel and level of road bed.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the retaining wall structure for railway that this disclosed embodiment provided sets up between ballast and road bed, and retaining wall structure for railway includes wall body and stand, and wherein, the wall body keeps off the outside of establishing at the ballast, and the top of stand is connected in the wall body, and the bottom of stand stretches into in the road bed along vertical direction. Like this, when some ballast takes place to scatter, the wall body can carry out the backstop to the ballast that scatters to avoid the ballast to scatter to a certain extent on the road shoulder or the side slope outside the road bed, thereby can promote the holistic stability of ballast, in addition, the bottom of wall body is connected with the stand that extends along vertical direction, can promote the stability of wall body through the setting of stand, and the stand extends along vertical direction, can further promote the stability of wall body, thereby make the wall body can carry out the backstop to more ballast that scatters, and then can promote the holistic stability of ballast, with the holistic stability of promotion railway.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1a is a schematic structural view of a retaining wall structure for railway according to an embodiment of the present disclosure;

FIG. 1b is an enlarged schematic view of the partial structure at A in FIG. 1 a;

fig. 2a is a view of a wall body in a retaining wall structure for railway according to an embodiment of the present disclosure along the direction B in fig. 1B;

fig. 2b is an enlarged schematic view of a partial structure at C in fig. 2 a.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

1. a wall body; 2. a column; 3. a lithotripsy structure; 4. a drain pipe; 5. hemp ribs; 6. shoulder pad;

10. ballast; 20. roadbed; 11. a first plane; 12. a second plane; 13. a water discharge hole; 14. expansion joints.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

Ballast is a crushed stone for supporting rail sleepers and is a common track bed structure, so that the stability of the whole ballast has a great influence on the stability of the whole railway. At present, some railways which are put into use are improved in track elevation due to settlement of roadbeds or large-machine tamping drums, so that the thickness and width of ballasts under the tracks exceed design requirements, and part of the ballasts can be scattered on shoulders or side slopes outside the roadbeds, so that the overall stability of the ballasts is poor, and the overall stability of the railways is poor.

Thus, embodiments of the present disclosure provide a retaining wall structure for a railway, disposed between ballast and a subgrade, with the ballast being located above the subgrade; the retaining wall structure for the railway comprises a wall body and upright posts, wherein the wall body is blocked outside ballast, the top of the wall body is positioned above a roadbed, and the bottom of the wall body stretches into the roadbed; the top of stand is connected in the wall body, and the bottom of stand stretches into in the road bed along vertical direction. Like this, when some ballast takes place to scatter, the wall body can carry out the backstop to the ballast that scatters to avoid the ballast to scatter to a certain extent to on road shoulder or the side slope, thereby can promote the holistic stability of ballast, in addition, the bottom of wall body is connected with the stand, can promote the stability of wall body through setting up of stand, thereby make the wall body can carry out the backstop to more ballast that scatters, and then can promote the holistic stability of ballast, with the holistic stability of promotion railway.

The embodiments of the present disclosure will be described in detail below with reference to the attached drawings and detailed description.

Referring to fig. 1a and 1b, fig. 1a is a schematic structural view of a retaining wall structure for railway according to an embodiment of the disclosure, and fig. 1b is an enlarged schematic partial structural view at a in fig. 1 a. As shown in fig. 1a and 1b, the present embodiment provides a retaining wall structure for railway, which is disposed between a ballast 10 and a roadbed 20, the ballast 10 being located above the roadbed 20; specifically, the retaining wall structure for the railway comprises a wall body 1 and upright posts 2, wherein the wall body 1 is blocked outside ballast 10, the top of the wall body 1 is positioned above a roadbed 20, and the bottom of the wall body 1 extends into the roadbed 20; the top of stand 2 is connected in wall body 1, and the bottom of stand 2 stretches into in the road bed 20 along vertical direction. According to the retaining wall structure for the railway, when part of ballast 10 is scattered, the wall body 1 can stop the scattered ballast 10 to prevent the ballast 10 from scattering to a certain extent onto a road shoulder or a slope, so that the overall stability of the ballast 10 can be improved, in addition, the bottom of the wall body 1 is connected with the upright post 2 extending along the vertical direction, the stability of the wall body 1 can be improved through the arrangement of the upright post 2, and the upright post 2 extends along the vertical direction, so that the stability of the wall body 1 can be further improved, the wall body 1 can stop more scattered ballast 10, and the overall stability of the ballast 10 can be improved, so that the overall stability of the railway is improved.

It should be noted that the retaining wall structure for railway provided in this embodiment is suitable for a section where the thickness of the ballast 10 is greater than 1.3m and less than or equal to 1.6 m. Here, the use scenario of the retaining wall structure for railway provided in this embodiment is not limited.

Specifically, in this embodiment, the wall 1 should be built by a slurry extrusion method using hard and hardly weathered stones, the strength of the stones should not be lower than MU30, the soil on the stone surface should be washed clean before slurry building, the construction sequence of building stones should be performed from bottom to top, the stone joints should be staggered, the stones should be tightly inlaid, and the surface and both end faces should be built smoothly.

Further, in the specific implementation manner of this embodiment, the horizontal distance from the bottom of the wall body 1 to the roadbed slope should be greater than 0.2m, the height of the wall body 1 is between 0.75 and 1.05m,

the width of the top end of the wall body 1 is 0.6m, the bottom of the wall body 1 is kept vertical, and the depth of the wall body 1 extending 5 into the roadbed 20 is more than or equal to 0.25m. Reference is made here to the specific dimensions of the wall 1

The number is not limited.

Further, the upright post 2 is a square pile upright post, and is made of Q235 steel material with a diameter of 130mm

The depth of the column 2 embedded in the roadbed 20 is 1.0m, which is 130mm by 6mm and 23.37kg per meter.

In some alternative embodiments, the top of the upright 2 extends into the wall 1 and is located at the center of the wall 0, and the bottom end of the upright 2 is formed as a plane extending in the horizontal direction.

Thus, by making the top end of the upright post 2 extend into the wall body 1 and be positioned at the center of the wall body 1,

the stability of the wall 1 is made stronger.

In this embodiment, the depth of insertion of the stud 2 into the wall 1 is 0.5m. Here, the depth of insertion of the pillar 2 into the wall 1 is not particularly limited.

5 in some alternative embodiments, the top end of the wall 1 is formed as a first plane 11,

the bottom end surface of the wall body 1 is formed into a second plane 12, and the first plane 11 and the second plane 12 extend along the horizontal direction; the area of the second plane 12 is larger than the area of the first plane 11. Thus, the stability of the bottom of the wall body 1 can be improved, and the stability of the wall body 1 can be improved.

Further, in the present embodiment, in the 0 direction along the top of the wall 1 to the bottom of the wall 1, the outer side surface of the wall 1 is formed as a slope inclined toward a direction away from the ballast 10,

that is, in the present embodiment, the longitudinal section pattern of the wall body 1 is trapezoidal. In this embodiment, the longitudinal section of the wall 1 is rectangular trapezoid.

Specifically, in this embodiment, the chest slope rate of the wall 1 is 1:0.2, the back slope rate of the wall body 1 is 1:0.0, wherein it is understood that the breast slope of the wall 1 is the side away from the ballast 5, and the back slope of the wall 1 is the side abutting the ballast 10.

In order to facilitate the walking of workers, the retaining wall structure for railway provided by the present embodiment further comprises a crushed stone structure 3 filled between the wall body 1 and the ballast 10; the top surface of the crushed stone structure 3 is flush with the first plane 11.

The crushed stone structure 3 may be a backfilled ballast, and the crushed stone structure 3 is not limited thereto.

In order to avoid that the stability of the ballast 10 is affected by excessive accumulated water in the ballast 10, in some alternative embodiments, the wall 1 is provided with a water discharge hole 13, and the water discharge hole 13 is positioned above the roadbed 20; the water inlet end of the water discharge hole 13 faces the ballast 10, and the water outlet end of the water discharge hole 13 faces one side away from the ballast 10 and is communicated with a space outside the wall body 1; in order to allow for smooth drainage of the accumulated water within ballast 10, in some embodiments, the water inlet end is positioned above the water outlet end. Thus, water in the ballast 10 can be smoothly discharged through the water discharge hole 13, so that the ballast 10 has a strong stability.

In order to allow more water in the ballast 10 to be discharged, in this embodiment, the plurality of water discharge holes 13 are provided, and the plurality of water discharge holes 13 are arranged in a plurality of rows and columns in the wall 1. Thus, more water can be drained from the ballast 10 through the drain hole 13.

In a specific implementation manner of this embodiment, a drain hole 13 is provided on the wall 1 at intervals of 1.0-2.0 m, that is, a distance between two adjacent drain holes 13 is 1.0-2.0 m. Here, the distance between the adjacent two drain holes 13 is not particularly limited.

Further, the drain hole 13 is provided with a drain pipe 4 matched with the drain hole 13, and in order to avoid that more impurities enter the drain pipe 4 to cause the drain pipe 4 to be blocked, in some alternative embodiments, a water inlet of the drain pipe 4 is coated with a filter cloth (not shown in the figure), and specifically, the filter cloth adopts a permeable geotechnical cloth. In this way, the water flowing out of the ballast 10 is filtered and discharged through the drain pipe 4, so that the drainage performance of the drain pipe 4 is ensured.

The drain pipe 4 is a polyvinyl chloride (Polyvinyl chloride, PVC) pipe having a diameter of 10 cm. Here, the material of the drain pipe 4 is not particularly limited.

Further, the size of the water permeable geotextile is 0.3 x 0.3m, and the quality parameter is 400g/m2. Here, parameters such as the size of the water permeable geotextile are not particularly limited.

In this embodiment, the upper portion of the wall 1 is also provided with a drain hole 13 to drain the accumulated water in the ballast structure 3, so that the stability of the ballast structure 3 is improved and the stability of the ballast 10 is also improved.

Referring to fig. 2a and 2B, fig. 2a is a view of a wall body in a retaining wall structure for railway provided in an embodiment of the present disclosure along a direction B in fig. 1B, and fig. 2B is an enlarged schematic view of a partial structure at C in fig. 2 a. In order to avoid the wall body 1 from being damaged under the action of thermal expansion and contraction, in some alternative embodiments, a plurality of expansion joints 14 are arranged on the wall body 1 at intervals along the extending direction of the wall body 1; the expansion joint 14 extends along the horizontal direction, and the side wall of the expansion joint 14 is provided with the hemp 5, and specifically, the inner side wall, the outer side wall and the top wall of the expansion joint 14 are all provided with the hemp 5. Like this, through setting up expansion joint 14 to set up the burlap 5 on expansion joint 14's lateral wall, at expend with heat and contract with cold in-process, burlap 5 can contact with the schist of wall body 1, avoid schist and schist contact damage wall body 1.

Note that, the twine 5 is an asphalt twine.

In a specific implementation manner of this embodiment, an expansion joint 14 is provided on the wall 1 every 10-15 m, the width of the expansion joint 14 is 0.02m, and the depth of the hemp 5 inserted into the side wall of the expansion joint 14 is 0.2m.

In order to enhance the stability of the bottom of the wall body 1, as shown in fig. 1a and 1b, in some alternative embodiments, the retaining wall structure for railway further includes a shoulder pad 6 disposed on the outer side of the wall body 1, and the inner side surface of the shoulder pad 6 is attached to the wall body 1; the bottom surface of the shoulder pad 6 and the bottom surface of the wall body 1 are positioned in the same plane, and the outer side surface of the shoulder pad 6 is flush with the outer side surface of the roadbed 20. Like this, through the setting of shoulder pad 6 then can avoid making the bottom unstability of wall body 1 under the long-term scouring effect of rainwater to make the stability of the bottom of wall body 1 better, and then can promote the stability of ballast 10, with further promotion railway holistic stability.

It should be noted that, the shoulder pad 6 is a cast-in-situ shoulder pad, and the shoulder pad 6 is C25 concrete. Here, the shoulder pad 6 is not particularly limited.

The retaining wall structure for the railway is arranged between ballast and a roadbed, wherein the ballast is positioned above the roadbed; the retaining wall structure for the railway comprises a wall body and upright posts, wherein the wall body is arranged on the outer side of ballast, the top of the wall body is positioned above a roadbed, and the bottom of the wall body extends into the roadbed; the top of stand is connected in the wall body, and the bottom of stand stretches into in the road bed along vertical direction. Like this, when some ballast takes place to scatter, the wall body can carry out the backstop to the ballast that scatters to avoid the ballast to scatter to a certain extent on the road shoulder or the side slope outside the road bed, thereby can promote the holistic stability of ballast, in addition, the bottom of wall body is connected with the stand that extends along vertical direction, can promote the stability of wall body through the setting of stand, and the stand extends along vertical direction, can further promote the stability of wall body, thereby make the wall body can carry out the backstop to more ballast that scatters, and then can promote the holistic stability of ballast, with the holistic stability of promotion railway.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A retaining wall structure for railway, characterized in that the retaining wall structure for railway is arranged between ballast (10) and a roadbed (20), the ballast (10) being located above the roadbed (20);

the retaining wall structure for the railway comprises a wall body (1) and upright posts (2), wherein the wall body (1) is arranged on the outer side of the ballast (10) in a blocking mode, the top of the wall body (1) is located above the roadbed (20), and the bottom of the wall body (1) stretches into the roadbed (20);

the top of stand (2) connect in wall body (1), the bottom of stand (2) stretches into in the road bed (20) along vertical direction.

2. The retaining wall structure for railway according to claim 1, characterized in that the top of the upright (2) extends into the wall body (1) and is located at the center of the wall body (1), and the bottom end surface of the upright (2) is a plane extending in the horizontal direction.

3. The retaining wall structure for railways according to claim 1, characterized in that the top end surface of the wall body (1) is formed as a first plane (11), the bottom end surface of the wall body (1) is formed as a second plane (12), both the first plane (11) and the second plane (12) extend in a horizontal direction;

the second plane (12) has an area larger than the area of the first plane (11).

4. A retaining wall structure for railways according to claim 3, characterized in that the outer side of the wall body (1) is formed as a slope inclined in a direction from the top of the wall body (1) to the bottom of the wall body (1) towards a direction away from the ballast (10).

5. A retaining wall structure for railways according to claim 3, further comprising a ballast structure (3) filled between the wall body (1) and the ballast (10);

the top surface of the crushed stone structure (3) is flush with the first plane (11).

6. The retaining wall structure for railway according to any one of claims 1-5, characterized in that the wall body (1) is provided with a water drain hole (13), the water drain hole (13) being located above the roadbed (20);

the water inlet end of the water discharge hole (13) faces the ballast (10), and the water outlet end of the water discharge hole (13) faces one side away from the ballast (10) and is communicated with a space outside the wall body (1);

the water inlet end is positioned above the water outlet end.

7. The retaining wall structure for railway according to claim 6, characterized in that the number of the water discharge holes (13) is plural, and the plurality of the water discharge holes (13) are arranged in a plurality of rows and a plurality of columns in the wall body (1).

8. The retaining wall structure for railway according to claim 6, characterized in that a drain pipe (4) matched with the drain hole (13) is arranged in the drain hole (13), and a filter cloth is coated on a water inlet of the drain pipe (4).

9. The retaining wall structure for railway according to any one of claims 1-5, characterized in that the wall body (1) is provided with a plurality of expansion joints (14) distributed at intervals along the extension direction of the wall body (1);

the expansion joint (14) extends along the horizontal direction, and the side wall of the expansion joint (14) is provided with a hemp (5).

10. The retaining wall structure for railway according to any one of claims 1-5, characterized in that it further comprises a shoulder pad (6) arranged outside the wall body (1), the inner side of the shoulder pad (6) being in abutment with the wall body (1);

the bottom surface of shoulder pad (6) with the bottom surface of wall body (1) is located the coplanar, the lateral surface of shoulder pad (6) with the lateral surface parallel and level of road bed (20).

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