CN210737231U - Drainage structure of traffic line - Google Patents
Drainage structure of traffic line Download PDFInfo
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- CN210737231U CN210737231U CN201921104391.6U CN201921104391U CN210737231U CN 210737231 U CN210737231 U CN 210737231U CN 201921104391 U CN201921104391 U CN 201921104391U CN 210737231 U CN210737231 U CN 210737231U
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Abstract
The embodiment of the application provides a water drainage structure of traffic route, water drainage structure includes: the cable duct, be located the shoulder pad in the outside of cable duct and be located the screed-coat of the bottom side of cable duct, the screed-coat includes bottom, waterproof layer and the anti-filtering layer that distributes in proper order by supreme down, the cable duct set up in the top of anti-filtering layer, the liquid of cable duct below passes through the anti-filtering layer is followed the shoulder pad is discharged. The subgrade geological structure is improved by utilizing the bottom layer, and the structural stability of the subgrade is enhanced; liquid infiltrated into the expansion joints between the cable trough sections is discharged from the shoulder pad by using the inverted filter layer; the liquid penetrating through the reverse filtration layer is further prevented from seeping into the bottom layer through the waterproof layer; by improving the structure of the leveling layer, the aims of leveling and draining are fulfilled.
Description
Technical Field
The application relates to the technical field of geotechnical engineering, in particular to a drainage structure of a traffic line.
Background
The existing drainage structure of the traffic line takes a high-speed railway as an example and comprises a cable trough, a leveling layer arranged below the cable trough and a shoulder pad arranged outside the cable trough, wherein expansion joints are arranged among cable trough sections, the expansion joints adopt mortar pointing, drain holes are formed in the cable trough, drain holes communicated with the drain holes are formed in the shoulder pad, and liquid generated by rainfall flows into the cable trough from the surface layer of the high-speed railway, flows through the drain holes and is finally discharged from the drain holes. However, because the expansion joints between the cable trough sections are only subjected to mortar pointing, water seepage channels are easily formed at the expansion joints for a long time, liquid generated by rainfall gradually seeps into the roadbed along with the water seepage channels, and the existing drainage structure cannot dredge the water seepage in the roadbed below the cable trough, so that the water accumulation area below the cable trough is formed, the roadbed in the range of the cable trough is poor in drainage, and the roadbed bed is very easy to cause roadbed diseases of the high-speed railway after long-term water soaking.
SUMMERY OF THE UTILITY MODEL
In view of this, this application embodiment expects to provide a drainage structures of traffic route, solves the drainage structures of current traffic route and can't dredge the infiltration in the road bed below the cable duct, leads to the bad technical problem of cable duct scope road bed drainage, for solving above technical problem, the technical scheme of this application embodiment is realized like this:
an embodiment of the present application contemplates providing a drainage structure of a traffic route, the drainage structure including: the cable duct, be located the shoulder pad in the outside of cable duct and be located the screed-coat of the bottom side of cable duct, the screed-coat includes bottom, waterproof layer and the anti-filtering layer that distributes in proper order by supreme down, the cable duct set up in the top of anti-filtering layer, the liquid of cable duct below passes through the anti-filtering layer is followed the shoulder pad is discharged.
Further, the one end that the waterproof layer is close to the cable duct inboard is higher than the waterproof layer is close to the one end of the cable duct outside.
Furthermore, the lower surface of the inverted filter layer is matched with the waterproof layer, and the upper surface of the inverted filter layer is a horizontal plane; the upper surface of the bottom layer is matched with the waterproof layer, and the lower surface of the bottom layer is a horizontal plane;
and/or the cross slope of the waterproof layer is more than or equal to 1 percent.
Furthermore, the cable trough comprises a drain hole arranged on the outer side wall of the cable trough, the drain hole is tightly attached to the bottom wall of the cable trough, and liquid in the cable trough is drained from the shoulder protector through the drain hole.
Furthermore, the drain holes are distributed along the traffic route in the longitudinal direction, and the distance between every two adjacent drain holes is 1-3 m.
Further, the shoulder pad comprises a drain hole which is arranged corresponding to the drain hole, the inverted filter layer and the drain hole are communicated with the drain hole, the top of the drain hole is higher than that of the drain hole, and the bottom of the drain hole is lower than that of the drain hole.
Further, drainage structures includes the filter screen, the filter screen set up in the outlet is close to on the port of cable duct.
Furthermore, the cross slope of the drain hole is 2% -6%;
and/or the cross slope of the drainage hole is more than or equal to 4 percent;
and/or the bottom of the drainage hole is lower than the waterproof layer.
Further, the distance between the top of the water drainage hole and the top of the water drainage hole is A, wherein A is more than 0mm and less than or equal to 15 mm.
The embodiment of the application provides a drainage structure of a traffic line, which utilizes a bottom layer to improve a roadbed geological structure and strengthen the structural stability of a roadbed; liquid infiltrated into the expansion joints between the cable trough sections is discharged from the shoulder pad by using the inverted filter layer; the liquid penetrating through the reverse filtration layer is further prevented from seeping into the bottom layer through the waterproof layer; by improving the structure of the leveling layer, the aims of leveling and draining are fulfilled.
Drawings
FIG. 1 is a schematic cross-sectional view of a transportation line according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a drainage structure of a traffic route in an embodiment of the present application.
Description of the reference numerals
A cable trough 10; a drain hole 11; a shoulder pad 20; a drain hole 21; a screed layer 30; a bottom layer 31; a waterproof layer 32; the reverse filtration layer 33; a traffic line 100, a foundation bed 200.
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
In the description of the present application, an "upper", "lower", "inner", "outer" orientation or positional relationship is the orientation or positional relationship shown in fig. 1. The cross slope is the cross slope of each component of the road width and the road side belt of the traffic line, mm refers to international unit millimeter, and m refers to international unit meter. It is to be understood that such directional terms are merely for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application.
An embodiment of the present application provides a drainage structure of a traffic line, please refer to fig. 1 and fig. 2, the drainage structure includes: the cable duct 10, be located shoulder pad 20 in the outside of cable duct 10 and be located the screed-coat 30 of the bottom side of cable duct 10, the screed-coat 30 includes bottom 31, waterproof layer 32 and the anti-filter layer 33 that distributes from bottom to top in proper order, and the cable duct 10 sets up in the top of anti-filter layer 33, and the liquid of cable duct 10 below passes through anti-filter layer 33 and discharges from shoulder pad 20.
The subgrade geological structure is improved by utilizing the bottom layer, and the structural stability of the subgrade is enhanced; liquid infiltrated into the expansion joints between the cable trough sections is discharged from the shoulder pad by using the inverted filter layer; the liquid penetrating through the reverse filtration layer is further prevented from seeping into the bottom layer through the waterproof layer; through the structure of improving the screed-coat, both realized making level the effect that sets up the cable duct, can also solve the not smooth technical problem of cable duct bottom drainage, compromise the purpose of making level and drainage.
In particular, the bottom layer may be made of concrete, cement mortar or cement into a rigid structure. The bottom layer is a rigid structure that serves as a support.
Specifically, the waterproof layer may be made of a waterproof material, such as a waterproof geomembrane, a waterproof roll, an asphalt felt, or the like, may be made by coating a waterproof coating material on a base layer, such as ointment, cement, or the like, or may be made of self-compacting cement to which an additive such as a waterproof agent, an expanding agent, or the like is added. The waterproof layer is used for preventing liquid below the cable trough from permeating into the roadbed.
In particular, the backwash layer is composed of fine to coarse backwash material in the direction of water flow, the backwash material being clean non-sticky particles, such as graded grit. The particles of any layer cannot pass through the pores of the adjacent thicker layer, and the particles of the same layer cannot move relatively. The inverted filter layer is used for preventing the liquid below the cable trough from carrying away soil around the cable trough when flowing out.
In an embodiment of the present application, please refer to fig. 1 and 2, an end of the waterproof layer 32 near the inner side of the cable trough 10 is higher than an end of the waterproof layer 32 near the outer side of the cable trough 10. That is to say, the upper surface of waterproof layer is the inclined plane, and the liquid of being convenient for permeates the inverted filter and flows to the shoulder pad along the upper surface of waterproof layer, finally discharges from the shoulder pad, avoids liquid to stay on the waterproof layer.
In an embodiment of the present application, please refer to fig. 1 and fig. 2, a lower surface of the inverted filter layer 33 is adapted to the waterproof layer 32, and an upper surface of the inverted filter layer 33 is a horizontal plane; the upper surface of the bottom layer 31 is matched with the waterproof layer 32, and the lower surface of the bottom layer 31 is a horizontal plane. The lower surface and the waterproof layer looks adaptation of anti-filtering layer, that is to say, the lower surface of anti-filtering layer is the inclined plane, and this kind of structure, the liquid of being convenient for flows to the one end that the anti-filtering layer is close to the cable duct outside fast under the action of gravity to make liquid discharge fast, further avoid liquid long-pending, the upper surface of anti-filtering layer is the horizontal plane, realizes the purpose that the screed-coat made level, is used for setting up the cable duct. On the other hand, the upper surface of bottom and waterproof layer looks adaptation, that is to say, the upper surface of bottom is the inclined plane, and the lower surface of bottom is the horizontal plane, is convenient for the bottom to realize the purpose of support.
In one embodiment, the thickness of the leveling layer 30 is 70mm, wherein the thickness of the bottom layer 31 and the waterproof layer 32 is 40mm to 50mm, and the thickness of the reverse filtering layer 33 is 20mm to 30 mm. By adopting the design, the thickness of the leveling layer is 70mm, so that the phenomenon that the excessive leveling layer occupies too much space of a road shoulder roadbed and reduces the use space of a cable trough is avoided; the thickness of the bottom layer and the waterproof layer is 40 mm-50 mm, and the thickness of the reverse filter layer is 20 mm-30 mm, that is to say, the upper surface of the waterproof layer is the inclined plane, so that liquid can conveniently flow to the shoulder pad along the upper surface of the waterproof layer through the reverse filter layer.
In order to further improve the drainage capability of the waterproof layer, in an embodiment of the present application, please refer to fig. 2, a cross slope of the waterproof layer 32 is B, where B is greater than or equal to 1%.
In an embodiment of the present application, please refer to fig. 1 and fig. 2, the cable trough 10 includes a drainage hole 11 disposed on an outer side wall of the cable trough 10, the drainage hole 11 is tightly attached to a bottom wall of the cable trough 10, and the liquid in the cable trough 10 is drained from the shoulder pad 20 through the drainage hole 11. The drain hole is tightly attached to the bottom wall of the cable trough, so that liquid in the cable trough can be drained completely, and the liquid is prevented from being accumulated at the bottom of the cable trough.
It can be understood that the drain hole can directly set up the through-hole on the lateral wall of cable duct, also can set up the pipeline on the lateral wall of cable duct, when setting up the pipeline on the lateral wall of cable duct, the diameter of drain hole is the diameter of pipeline, and the pipeline can be synthetic material's pipeline, for example PVC pipe, also can be the pipeline of metal material, for example steel pipe.
In order to further enhance the drainage capability of the drainage holes, in an embodiment of the present application, please refer to fig. 1, the drainage holes 11 are distributed along the longitudinal direction of the traffic route 100, and the distance between two adjacent drainage holes 11 is 1m to 3 m.
In an embodiment of the present application, referring to fig. 1 and fig. 2, the shoulder pad 20 includes a drainage hole 21 corresponding to the drainage hole 11, the inverted filter layer 33 and the drainage hole 11 are both communicated with the drainage hole 21, the top of the drainage hole 21 is higher than the top of the drainage hole 11, and the bottom of the drainage hole 21 is lower than the bottom of the drainage hole 11. Liquid in the cable trough and below the cable trough is discharged through the drain hole, the top of the drain hole is higher than the top of the drain hole, and the bottom of the drain hole is lower than the bottom of the drain hole, so that the liquid can be discharged quickly.
In order to facilitate the rapid draining of the liquid in the cable trough, in one embodiment, the diameter of the drain hole is greater than or equal to 50 mm. The diameter of the drainage hole is more than or equal to 160 mm.
It can be understood that the through hole can be directly opened on the shoulder pad through the weep hole, and the pipeline can also be arranged on the shoulder pad, when the pipeline is arranged on the shoulder pad, the diameter of the weep hole is the diameter of the pipeline, and the pipeline can be a pipeline made of synthetic materials, such as a PVC pipe, and can also be a pipeline made of metal, such as a steel pipe. The inverted filter layer and the drain hole can be communicated with the same drain hole, and the inverted filter layer and the drain hole can also be communicated with different drain holes.
In an embodiment of the present application, referring to fig. 1, the drainage structure includes a filter layer (not shown) disposed on the end of the drainage hole 21 close to the cable trough 10. The filter layer is used for filtering sundries, and prevents the drainage hole from being blocked by sundries such as silt, branches, stones and the like.
In one embodiment of the present application, the filtration layer is a nonwoven geotextile.
In order to further enhance the drainage capability of the drainage holes, in one embodiment of the present application, please refer to fig. 2, the cross slope of the drainage holes 11 is C, wherein C is greater than or equal to 2% and less than or equal to 6%. For example, the cross slope of the drainage holes is 2%, 3%, 4%, 5%, or 6%.
In order to further enhance the drainage capability of the drainage hole, in an embodiment of the present application, please refer to fig. 2, a cross slope of the drainage hole 21 is D, wherein D is greater than or equal to 4%. For example, the cross slope of the weep holes is 4%, 5%, 6%, 7%, or 8%.
In order to facilitate the liquid under the cable trough to be completely discharged, in an embodiment of the present application, please refer to fig. 2, the bottom of the drainage hole 21 is lower than the waterproof layer 32.
In order to enable the water in the drain hole to be drained from the drain hole more quickly, in an embodiment of the present application, please refer to fig. 2, a distance between the top of the drain hole 21 and the top of the drain hole 11 is a, wherein a is greater than 0mm and less than or equal to 15 mm.
The drainage structure of the traffic route provided by the embodiment of the application can be used for railway, highway or urban traffic routes.
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 (9)
1. A drainage structure of a traffic route, characterized by comprising: the cable duct, be located the shoulder pad in the outside of cable duct and be located the screed-coat of the bottom side of cable duct, the screed-coat includes bottom, waterproof layer and the anti-filtering layer that distributes in proper order by supreme down, the cable duct set up in the top of anti-filtering layer, the liquid of cable duct below passes through the anti-filtering layer is followed the shoulder pad is discharged.
2. The drainage structure according to claim 1, wherein an end of the waterproof layer adjacent to an inside of the cable groove is higher than an end of the waterproof layer adjacent to an outside of the cable groove.
3. The drainage structure according to claim 2, wherein the lower surface of the inverted filter layer is fitted to the waterproof layer, and the upper surface of the inverted filter layer is a horizontal surface; the upper surface of the bottom layer is matched with the waterproof layer, and the lower surface of the bottom layer is a horizontal plane;
and/or the cross slope of the waterproof layer is more than or equal to 1 percent.
4. The drainage structure according to any one of claims 1 to 3, wherein the cable trough comprises a drainage hole provided on an outer side wall of the cable trough, the drainage hole is closely attached to a bottom wall of the cable trough, and liquid in the cable trough is drained from the shoulder pad through the drainage hole.
5. The drainage structure according to claim 4, wherein the drainage holes are distributed along the longitudinal direction of the traffic route, and the distance between two adjacent drainage holes is 1m to 3 m.
6. The drainage structure of claim 4, wherein the shoulder guard includes a drainage hole corresponding to the drainage hole, the reverse filter layer and the drainage hole are both in communication with the drainage hole, the top of the drainage hole is higher than the top of the drainage hole, and the bottom of the drainage hole is lower than the bottom of the drainage hole.
7. The drainage structure of claim 6, wherein the drainage structure comprises a filter layer disposed on a port of the drainage hole near the cable tray.
8. The drainage structure according to claim 6, wherein the cross slope of the drainage hole is 2% to 6%;
and/or the cross slope of the drainage hole is more than or equal to 4 percent;
and/or the bottom of the drainage hole is lower than the waterproof layer.
9. The drainage structure according to claim 6, wherein a distance between the top of said drainage hole and the top of said drainage hole is A, wherein A is 0mm < 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104391.6U CN210737231U (en) | 2019-07-15 | 2019-07-15 | Drainage structure of traffic line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104391.6U CN210737231U (en) | 2019-07-15 | 2019-07-15 | Drainage structure of traffic line |
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| CN210737231U true CN210737231U (en) | 2020-06-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331625A (en) * | 2019-07-15 | 2019-10-15 | 中铁第四勘察设计院集团有限公司 | The discharge structure and its construction method of traffic route |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331625A (en) * | 2019-07-15 | 2019-10-15 | 中铁第四勘察设计院集团有限公司 | The discharge structure and its construction method of traffic route |
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