CN212688572U - Interface structure of box type roadbed and cable trough - Google Patents
Interface structure of box type roadbed and cable trough Download PDFInfo
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- CN212688572U CN212688572U CN202020799790.5U CN202020799790U CN212688572U CN 212688572 U CN212688572 U CN 212688572U CN 202020799790 U CN202020799790 U CN 202020799790U CN 212688572 U CN212688572 U CN 212688572U
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Abstract
The application discloses an interface structure of a box type roadbed and a cable duct, which comprises a bottom plate, a top plate, side walls, a foundation bed, two ballast retaining walls and a pier wall, wherein the top plate, the side walls, the foundation bed, the two ballast retaining walls and the pier wall are arranged above the bottom plate; the side wall is supported between the bottom plate and the top plate, and the top plate comprises a target area corresponding to the bottom plate and cantilever parts extending from the target area to two sides; along the extending direction of the top plate, the foundation bed is laid on the target area, the two ballast retaining walls are respectively arranged on two sides of the foundation bed, the pier wall is arranged on the cantilever part, and the pier wall and the ballast retaining walls are spaced to form a cable groove for laying cables. The utility model provides an interface structure of box road bed and cable duct has the advantage that area is little.
Description
Technical Field
The application relates to roadbed engineering, in particular to an interface structure of a box type roadbed and a cable trough.
Background
In the prior art, the roadbed of the high-speed railway usually adopts a traditional trapezoidal filling structure form at present, in order to meet the requirements of settlement, stability and the like, the required filler standard is higher, and a large amount of fillers are required for a foundation bed.
After the two sides of the double-track railway roadbed need to be widened, cable grooves are formed in the outer side of a contact net, and after the roadbed is formed, the cable grooves are integrally cut and constructed and then constructed. The cable is used for being pre-buried in the roadbed filling construction through the rail pipe and the comprehensive grounding cable. However, the traditional roadbed form needs widening of two sides to meet the arrangement of cable troughs, increases the occupied area and roadbed filling materials, and increases the construction cost.
Disclosure of Invention
In view of this, the present invention is directed to a box-type roadbed and cable trough interface structure with small floor space.
In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:
an interface structure of a box type roadbed and a cable duct comprises a bottom plate, a top plate, side walls, a foundation bed, two ballast retaining walls and a pier wall, wherein the top plate, the side walls, the foundation bed, the two ballast retaining walls and the pier wall are arranged above the bottom plate; the side wall is supported between the bottom plate and the top plate, and the top plate comprises a target area corresponding to the bottom plate and cantilever parts extending from the target area to two sides; along the extending direction of the top plate, the foundation bed is laid on the target area, the two ballast retaining walls are respectively arranged on two sides of the foundation bed, the pier wall is arranged on the cantilever part, and the pier wall and the ballast retaining walls are spaced to form a cable groove for laying cables.
Furthermore, the quantity of mound wall is twice, follows the extending direction of roof, twice the mound wall sets up respectively on the cantilever part of roof both sides, each the mound wall sets up with corresponding one the interval of fender tiny fragments of stone, coal, etc. wall is in order to form respectively the cable duct.
Further, the interface structure of box road bed and cable duct is including erecting the wall, follows the extending direction of roof, erect the wall setting and be in the correspondence of roof on the region of cable duct, erect the wall will the cable duct is separated for first sub-groove and second sub-groove.
Further, the interface structure of box road bed and cable duct is including covering the waterproof layer on roof surface, the base bed is laid on the waterproof layer on the target area, the tank bottom of cable duct covers has waterproof layer.
Further, the top plate comprises a drain pipe, the drain pipe penetrates through the top plate and the waterproof protective layer, and the drain pipe is located between the two ballast blocking walls.
Further, the thickness of the part of the waterproof protective layer close to the drain pipe is smaller than that of the part of the waterproof protective layer far away from the drain pipe.
Furthermore, the ballast retaining wall is provided with a first water through hole, and the first water through hole is communicated with the cable duct and the target area.
Furthermore, the second sub-groove is located between the first sub-groove and the ballast retaining wall, the ballast retaining wall is provided with a first water through hole, and the first water through hole is communicated with the second sub-groove and the target area; the vertical wall is provided with a second water passing hole which is communicated with the first sub-groove and the second sub-groove.
Furthermore, the vertical wall comprises a plurality of sub vertical walls arranged along the extending direction of the top plate, and two adjacent sub vertical walls are arranged at intervals to form the second water passing holes.
Further, the vertical wall comprises longitudinal steel bars arranged along the extending direction of the top plate; the roof includes vertical extension to outside reserve the reinforcing bar head, reserve the reinforcing bar head with vertical reinforcing bar sets up perpendicularly, just reserve the reinforcing bar head with vertical reinforcing bar adopts the ligature fixed.
Furthermore, the ballast retaining wall comprises a plurality of sub retaining walls arranged along the extending direction of the top plate, and every two sub retaining walls are arranged at intervals to form the first water passing hole.
Further, the interface structure of box road bed and cable duct includes the apron, the apron covers on the cable duct.
An interface structure of a box type roadbed and a cable duct is characterized in that a bottom plate, a top plate, a side wall supported between the bottom plate and the top plate, a ballast retaining wall and a pier wall are arranged; the top plate comprises a target area corresponding to the bottom plate and cantilever parts extending from the target area to two sides; support on soil foundation through the bottom plate, provide the holding surface, make full use of keeps off the space between tiny fragments of stone, coal, etc. wall and the mound wall, set up the cable duct in cantilever part, need not widen the width of bottom plate, save and pack, reduce area.
Drawings
Fig. 1 is a front view of an interface structure of a box-type roadbed and a cable trough according to an embodiment of the present application;
FIG. 2 is a top view of the left half area of FIG. 1; wherein, the cover plate and the bed are omitted;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic illustration of the assembled relationship of the left half area of FIG. 1; wherein, a bed and a contact net are omitted;
FIG. 6 is a cross-sectional view C-C of FIG. 5; wherein the cover plate and the corresponding concrete structure are omitted.
Detailed Description
It should be noted that, in the case of conflict, the technical features in the examples and examples of the present application may be combined with each other, and the detailed description in the specific embodiments should be interpreted as an explanation of the present application and should not be construed as an improper limitation of the present application.
In the description of the embodiments of the present application, the "up", "down", "left", "right", "front", "back" orientation or positional relationship is based on the orientation or positional relationship shown in fig. 1, it is to be understood that these orientation terms are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present application.
As shown in fig. 1 to 6, an interface structure of a box-type roadbed and a cable duct comprises a bottom plate 5, a top plate 6 arranged above the bottom plate 5, side walls 4, a foundation bed 1, two ballast retaining walls 12, a cover plate 19 and a pier wall 18.
The side wall 4 is supported between the bottom plate 5 and the top plate 6, and the top plate 6 includes a target area corresponding to the bottom plate 5 and cantilever portions 66 extending from the target area to both sides. In the extension direction of the top plate 6, the bed 1 is laid on a target area. The two ballast retaining walls 12 are respectively arranged on two sides of the foundation bed 1, and the pier wall 18 is arranged on the cantilever part 66; the pier wall 18 is spaced from the ballast wall 12, and the upper surfaces of the pier wall 18, the ballast wall 12 and the cantilever portion 66 are surrounded to form a cable trough 10 for laying cables.
It is understood that the target area is a range where the bottom plate 5 is projected to the top plate 6 in the vertical direction; the width of target area and bottom plate 5 equals, supports on soil foundation through bottom plate 5, provides the holding surface, and the space between make full use of fender tiny fragments of stone, coal, etc. wall 12 and pier wall 18 sets up cable duct 10 in cantilever part 66, need not widen the width of bottom plate 5, saves the filler, reduces area.
The cover plate 19 covers the cable duct 10, so that people can walk and overhaul the cable duct, and construction and later maintenance are facilitated. The vertical wall 8 and the ballast blocking wall 12 support the cover plate 19 through a bearing platform structure (not shown), so that the height of the bearing platform structure is consistent, and the uniform stress of the cable trough cover plate 19 can be ensured.
In one possible embodiment, as shown in fig. 1 to 4, the number of the pier walls 18 is two, and along the extending direction of the top plate 6, the two pier walls 18 are respectively disposed on the cantilever portions 66 at two sides of the top plate 6, and each pier wall 18 is spaced from the corresponding ballast wall 12 to respectively form the cable trough 10; two cable troughs 10 are respectively arranged on two sides, one side is used for placing cables with strong current and the other side is used for placing cables with weak current, and therefore safety is guaranteed.
In one possible embodiment, as shown in fig. 1 to 4, the interface structure of the box-type roadbed and the cable trough comprises a vertical wall 8, and the vertical wall 8 is arranged on the region of the top plate 6 in the cable trough 10 along the extending direction of the top plate 6 so as to divide the cable trough 10 into a first sub-trough 10a and a second sub-trough 10 b. The first sub-tank 10a may be used for cable placement of strong electricity, and the second sub-tank 10b may be used for cable placement of weak electricity, which is separated, thereby ensuring safety.
It should be noted that the vertical wall 8 and the two pier walls 18 are not contradictory, and the cable groove 10 formed by the pier wall 18 on the left side and the ballast retaining wall 12 is used for the train in the uplink direction; the cable duct 10 formed by the pier wall 18 and the ballast wall 12 on the right side can be used for a train in the descending direction, any cable duct 10 can be divided into a first sub-duct 10a and a second sub-duct 10b through the vertical wall 8, and strong electricity and weak electricity are respectively placed in the first sub-duct 10a and the second sub-duct 10b to ensure safety.
In one possible embodiment, as shown in fig. 1 to 4, the interface structure of the box-type roadbed and the cable trough comprises a waterproof protective layer 63 covering the surface of the top plate 6, the roadbed 1 is laid on the waterproof protective layer 63 on the target area, and the bottom of the cable trough 10 is covered with the waterproof protective layer 63; thereby preventing rainwater from leaking into the interior of the structure and causing corrosion. The waterproof protective layer 63 may be a resin layer or a waterproof adhesive layer.
In one possible embodiment, as shown in fig. 1 to 4, the roof 6 includes a drain pipe 64, and the drain pipe 64 penetrates through the roof 6 and the waterproof protective layer 63, and is located between the two ballast walls 12. The rainwater vertically penetrates through the waterproof protective layer 63 from the lower surface 61 of the top plate 6 facing the bottom plate 5 to the upper side, and the rainwater seeps downwards from the foundation bed 1 and then reaches the waterproof protective layer 63 on the top plate 6, and then is gathered to the drain pipe 64 to be discharged in a centralized manner so as to prevent water accumulation.
One possible embodiment, as shown in fig. 1 to 4, the thickness of the part of the waterproof protective layer 63 close to the drain pipe 64 is smaller than that of the part of the waterproof protective layer 63 far from the drain pipe 64, so that a drainage slope with a certain angle is formed, so that rainwater arriving at the waterproof protective layer 63 can be more easily converged toward the drain pipe 64 to be intensively drained; the angle of the drainage slope may be set to 1-10 deg..
In one possible embodiment, as shown in fig. 1 to 4, the ballast retaining wall 12 is provided with a first water through hole 121, and the first water through hole 121 communicates the cable trough 10 with a target area; therefore, rainwater in the cable trough 10 is discharged to a target area, the rainwater reaching the target area leaks downwards from the foundation bed 1 and then reaches the waterproof protective layer 63 on the top plate 6, and then is gathered to the drain pipe 64 to be discharged in a centralized manner, so that water accumulation is effectively prevented.
In a possible implementation manner, as shown in fig. 1 to 4, the second sub-groove 10b is located between the first sub-groove 10a and the ballast blocking wall 12, the ballast blocking wall 12 is provided with a first water through hole 121, and the first water through hole 121 communicates the second sub-groove 10b with a target area; the vertical wall 8 is provided with a second water through hole 81, and the second water through hole 81 communicates the first sub-groove 10a and the second sub-groove 10 b. Therefore, rainwater in the first sub-groove 10a and the second sub-groove 10b is discharged to a target area, the rainwater reaching the target area leaks downwards from the foundation bed 1 and then reaches the waterproof protective layer 63 on the top plate 6, and then is gathered to the drain pipe 64 to be discharged in a concentrated mode, and accumulated water is effectively prevented.
In one possible embodiment, as shown in fig. 1 to 4, the vertical wall 8 includes a plurality of sub-vertical walls 8a arranged along the extending direction of the top plate 6, and two adjacent sub-vertical walls 8a are spaced apart to form the second water passing holes 81. The basic structure formed by the bottom plate 5, the top plate 6 and the side walls 4 can be prefabricated by reinforced concrete pouring, each sub-vertical wall 8a is poured according to the actual situation reappearance field after the basic structure arrives at a construction site, and the block length of each sub-vertical wall 8a can be adjusted according to the actual situation; of course, each individual sub-vertical wall 8a can also be prefabricated, taking care to retain the rebar heads.
In a possible embodiment, as shown in fig. 1 to 6, the vertical wall 8 comprises longitudinal reinforcing bars 82 arranged along the extension direction of the top plate 6; the top plate 6 comprises a reserved steel bar head 62 extending to the outside vertically and an internal transverse and longitudinal steel bar net 65; constructing in a cast-in-place and prefabricated assembly mode; the reserved steel bar heads 62 are embedded in the basic structure during construction, the distance between the reserved steel bar heads 62 is adjusted according to the distance between the transverse and longitudinal steel bar nets 65, and the reserved steel bar heads 62 are fixedly connected with the transverse and longitudinal steel bar nets 65 in a binding or welding mode; when assembling the vertical wall 8 and the top plate 6, the reserved steel bar heads 62 are bound, the vertical direction is kept vertical, the reserved steel bar heads 62 are uniformly and straightly spaced along the extending direction of the top plate 6, the longitudinal steel bars 82 are moved properly to penetrate through the reserved steel bar heads 62, the reserved steel bar heads 62 are generally perpendicular to the longitudinal steel bars 82, the reserved steel bar heads 62 and the longitudinal steel bars 82 are bound and fixed, and concrete pouring is performed after the concrete is firmly fixed.
In a possible embodiment, as shown in fig. 1 to 4, the ballast retaining wall 12 includes a plurality of sub-retaining walls 12a arranged along the extending direction of the roof 6, and two adjacent sub-retaining walls 12a are disposed at intervals to form first water through holes 121. The basic structure formed by the bottom plate 5, the top plate 6 and the side walls 4 can be prefabricated by reinforced concrete pouring, each sub-retaining wall 12a is poured according to the actual situation reproducing field after the basic structure arrives at the construction site, and the block length of the sub-retaining wall 12a can be adjusted according to the actual situation.
It can be understood that, in the embodiments of the present application, the interface structure of the box-type roadbed and the cable trough may be a symmetric structure, that is, the technical solution in each embodiment may be separately disposed on one side of the interface structure of the box-type roadbed and the cable trough, or may be symmetrically disposed on both sides.
The various embodiments/implementations provided herein may be combined with each other without contradiction.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (12)
1. The utility model provides an interface structure of box road bed and cable duct which characterized in that: comprises a bottom plate (5), a top plate (6) arranged above the bottom plate (5), side walls (4), a foundation bed (1), two ballast retaining walls (12) and a pier wall (18);
the side wall (4) is supported between the bottom plate (5) and the top plate (6), and the top plate (6) comprises a target area corresponding to the bottom plate (5) and cantilever parts (66) extending to two sides from the target area;
follow the extending direction of roof (6), bed (1) is laid on the target area, twice keep off tiny fragments of stone, etc. wall (12) set up respectively the both sides of bed (1), mound wall (18) set up on cantilever part (66), mound wall (18) with keep off tiny fragments of stone, etc. wall (12) interval is in order to form cable duct (10) that are used for laying the cable.
2. The box-type roadbed and cable trough interface structure of claim 1, wherein: the quantity of mound wall (18) is twice, follows the extending direction of roof (6), twice mound wall (18) set up respectively roof (6) both sides on cantilever part (66), each mound wall (18) and one that corresponds keep off tiny fragments of stone, coal, etc. wall (12) interval and set up in order to form respectively cable duct (10).
3. The box-type roadbed and cable trough interface structure of claim 1 or 2, wherein: box road bed and cable duct's interface structure is including erecting wall (8), follows the extending direction of roof (6), it sets up to erect wall (8) roof (6) correspond on the region of cable duct (10), it will to erect wall (8) cable duct (10) are separated for first sub-groove (10a) and second sub-groove (10 b).
4. The box-type roadbed and cable trough interface structure of claim 1, wherein: box road bed and cable duct's interface structure is including covering waterproof layer (63) on roof (6) surface, bedbed (1) are laid on the target area waterproof layer (63) are last, the tank bottom of cable duct (10) covers has waterproof layer (63).
5. The box-type roadbed and cable trough interface structure of claim 4, wherein: the roof (6) comprises a drain pipe (64), the drain pipe (64) penetrates through the roof (6) and the waterproof protective layer (63), and the drain pipe is located between the two ballast blocking walls (12).
6. The box-type roadbed and cable trough interface structure of claim 5, wherein: the thickness of the part of the waterproof protective layer (63) close to the drain pipe (64) is smaller than that of the part of the waterproof protective layer (63) far away from the drain pipe (64).
7. The box-type roadbed and cable trough interface structure of claim 5, wherein: the ballast retaining wall (12) is provided with a first water through hole (121), and the first water through hole (121) is communicated with the cable duct (10) and the target area.
8. The box-type roadbed and cable trough interface structure of claim 3, wherein: the second sub-groove (10b) is located between the first sub-groove (10a) and the ballast retaining wall (12), the ballast retaining wall (12) is provided with a first water through hole (121), and the first water through hole (121) is communicated with the second sub-groove (10b) and the target area;
the vertical wall (8) is provided with a second water passing hole (81), and the second water passing hole (81) is communicated with the first sub-groove (10a) and the second sub-groove (10 b).
9. The box-type roadbed and cable trough interface structure of claim 8, wherein: the vertical wall (8) comprises a plurality of sub vertical walls (8a) arranged along the extending direction of the top plate (6), and every two adjacent sub vertical walls (8a) are arranged at intervals to form the second water passing holes (81).
10. The box-type roadbed and cable trough interface structure of claim 8, wherein: the vertical wall (8) comprises longitudinal steel bars (82) arranged along the extension direction of the top plate (6);
the roof (6) include vertical extension to outside reserve reinforcing bar head (62), reserve reinforcing bar head (62) with longitudinal reinforcement (82) perpendicular setting, just reserve reinforcing bar head (62) with longitudinal reinforcement (82) adopt the ligature to fix.
11. The box-type roadbed and cable trough interface structure of claim 7 or 8, wherein: the ballast retaining wall (12) comprises a plurality of sub retaining walls (12a) arranged in the extending direction of the top plate (6), and the sub retaining walls (12a) are arranged at intervals to form the first water passing hole (121).
12. The box-type roadbed and cable trough interface structure of claim 1, wherein: the box type roadbed and cable trough interface structure comprises a cover plate (19), wherein the cover plate (19) covers the cable trough (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020799790.5U CN212688572U (en) | 2020-05-14 | 2020-05-14 | Interface structure of box type roadbed and cable trough |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020799790.5U CN212688572U (en) | 2020-05-14 | 2020-05-14 | Interface structure of box type roadbed and cable trough |
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| CN212688572U true CN212688572U (en) | 2021-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535076A (en) * | 2020-05-14 | 2020-08-14 | 中国铁路经济规划研究院有限公司 | Interface structure of box type roadbed and cable trough |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535076A (en) * | 2020-05-14 | 2020-08-14 | 中国铁路经济规划研究院有限公司 | Interface structure of box type roadbed and cable trough |
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Effective date of registration: 20230810 Address after: 100038 No. 10 Fuxing Road, Haidian District, Beijing Patentee after: China National Railway Group Co.,Ltd. Patentee after: CHINA RAILWAY ECONOMIC AND PLANNING RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. Address before: 100038 No. 29 Beihoneycomb Road, Haidian District, Beijing Patentee before: CHINA RAILWAY ECONOMIC AND PLANNING RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. |