Slope drainage device for frozen soil roadbed in high and cold accumulated snow area

Abstract

The utility model discloses a drainage device for a frozen soil roadbed slope in a high and cold snow area, a water guide system comprises a plurality of three-way flow guide pipes and a plurality of longitudinal water guide pipes, two longitudinal water guide pipes correspond to one three-way flow guide pipe, and outlets of the longitudinal water guide pipes are communicated with inlets of the corresponding three-way flow guide pipes; a bottom outlet of the three-way flow guide pipe is communicated with an inlet of a transverse water guide pipe, an outlet of the transverse water guide pipe penetrates out of the road body and then is communicated with one end of a first flow guide pipe, and the other end of the first flow guide pipe penetrates through a road shoulder and is communicated with a secondary water collecting tank in a side slope. A bottom outlet of the second-stage water collecting tank is communicated with an inlet of a third-stage water collecting tank at the bottom of the side slope through a second flow guide pipe, an outlet of the third-stage water collecting tank is communicated with one end of a drainage pipe, the other end of the drainage pipe penetrates out of the roadbed and extends out of the roadbed, and the device can effectively drain snow melting water permeating into the roadbed out of the roadbed.

Description

Technical Field

[0001] The utility model belongs to the technical field of roadbed drainage and relates to a drainage device for a side slope of a frozen soil roadbed in a high-cold snowy area. Background Art

[0002] Internal drainage of the roadbed is an effective way to prevent problems such as roadbed settlement, strength reduction, and surface cracking. It is combined with a drainage device to effectively drain the pavement seepage inside the roadbed. The internal drainage processes of the roadbed include: oblique drainage, pit-type, and layered drainage. In high-altitude snowy areas, the snow is very thick. When the snow begins to melt due to the temperature rise in spring, the melted snow water will seep into the roadbed. If the seepage water is not actively discharged, disasters such as roadbed instability and slope landslides will occur. At present, the drainage device has problems such as drainage system failure and inefficient drainage method when in use. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provides a drainage device for frozen soil roadbed slopes in high-cold snowy areas, which can effectively drain the snowmelt water that has infiltrated the roadbed to the outside of the roadbed.

[0004] To achieve the above-mentioned purpose, the utility model discloses a drainage device for frozen soil roadbed slope in high-cold snowy areas, comprising a road body, a shoulder and a slope distributed in sequence, a water guide system is arranged in the road body, and the water guide system comprises a plurality of three-way flow guide pipes and a plurality of longitudinal water guide pipes, two longitudinal water guide pipes correspond to one three-way flow guide pipe, and the outlet of the longitudinal water guide pipe is connected to the inlet of the corresponding three-way flow guide pipe;

[0005] The bottom outlet of the three-way drainage pipe is connected with the inlet of the transverse water drainage pipe. The outlet of the transverse water drainage pipe is connected with one end of the No. 1 drainage pipe after passing through the main body of the road. The other end of the No. 1 drainage pipe passes through the shoulder and is connected with the secondary water collecting tank in the slope. The bottom outlet of the secondary water collecting tank is connected with the inlet of the tertiary water collecting tank at the bottom of the slope through the No. 2 drainage pipe. The outlet of the tertiary water collecting tank is connected with one end of the drainage pipe. The other end of the drainage pipe passes through the roadbed and extends out of the roadbed.

[0006] Adjacent longitudinal water pipes are connected by inverted V-shaped pipe lap plates.

[0007] The longitudinal water guide pipe is located above the three-way flow guide pipe.

[0008] A double-layer filter cloth is arranged in the longitudinal water conduit.

[0009] A rectangular screen is provided at the communicating position between the longitudinal water guide pipe and the three-way flow guide pipe, and a first piece of hot-melt water-permeable cloth is provided on the rectangular screen.

[0010] Circular filter screens are provided at the inlet and outlet of the drainage pipe.

[0011] A primary water collecting tank is provided inside the road shoulder, and the outlet at the bottom of the primary water collecting tank is connected to the No. 1 diversion pipe.

[0012] A gravel layer is arranged above the first-level water collecting tank, the second-level water collecting tank and the third-level water collecting tank, and a water permeable hole is arranged on the top of the first-level water collecting tank, the top of the second-level water collecting tank and the top of the third-level water collecting tank.

[0013] The gravel layer and the primary water collecting tank, the secondary water collecting tank and the tertiary water collecting tank are all provided with a second piece of hot-melt permeable cloth.

[0014] The primary water collecting tank, the secondary water collecting tank and the tertiary water collecting tank are distributed in sequence from top to bottom.

[0015] The utility model has the following beneficial effects:

[0016] During the specific operation of the drainage device for frozen soil roadbed slope in high-cold snow-covered areas described in the utility model, the longitudinal water guide pipe in the main body of the road collects the infiltrated snowmelt water, and all of it is introduced into the three-dimensional guide pipe, and then introduced into the transverse water guide pipe through the three-dimensional guide pipe, and the water in the transverse water guide pipe is introduced into the secondary water collecting tank through the first guide pipe, and the infiltrated snowmelt water in the shoulder and the slope is collected into the secondary water collecting tank and the tertiary water collecting tank through three stepped water collecting tanks buried on the shoulder and the slope, and finally discharged to the outside of the road through the drainage pipe, so as to improve the drainage efficiency and the service life of the road and increase the stability of the road. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional front view of the utility model;

[0018] Figure 2 It is a left view of the utility model;

[0019] Figure 3 It is a top view of the utility model;

[0020] Figure 4 for Figure 2 Magnified view of area A.

[0021] Among them, 1 is the main body of the road, 2 is the shoulder, 3 is the slope, 4 is the longitudinal water guide pipe, 5 is the pipe lap plate, 6 is the transverse water guide pipe, 7 is the three-way guide pipe, 8 is the double-layer filter cloth, 9 is the rectangular screen, 10 is the hot-melt permeable cloth, 11 is the gravel layer, 12 is the primary water collecting tank, 13 is the secondary water collecting tank, 14 is the tertiary water collecting tank, 15 is the drainage pipe, 16 is the No. 1 guide pipe, 17 is the No. 2 guide pipe, 18 is the circular filter screen, and 19 is the water permeable hole. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only an embodiment of a part of the utility model, not all embodiments, and is not intended to limit the scope of the disclosure of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concepts disclosed in the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of the utility model.

[0023] The accompanying drawings show schematic diagrams of structures according to the disclosed embodiments of the utility model. These figures are not drawn to scale, and some details are magnified and some details may be omitted for the purpose of clear expression. The shapes of various regions and layers shown in the figures and the relative sizes and positional relationships therebetween are only exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0024] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model discloses a drainage device for frozen soil roadbed slope in high-cold snow-covered areas, comprising a road body 1, a shoulder 2 and a slope 3 which are sequentially distributed. A water guide system is arranged in the road body 1, and the water guide system comprises a plurality of three-way flow guide pipes 7 and a plurality of longitudinal water guide pipes 4. Two longitudinal water guide pipes 4 correspond to one three-way flow guide pipe 7. The outlet of the longitudinal water guide pipe 4 is connected with the inlet of the corresponding three-way flow guide pipe 7. The snowmelt water infiltrating into the road body 1 is concentrated and introduced into the three-way flow guide pipe 7 through the longitudinal water guide pipe 4. Adjacent longitudinal water guide pipes 4 are connected by an inverted V-shaped pipe lap plate 5 to prevent the infiltrated snowmelt water from entering the roadbed through the gap. The longitudinal water guide pipe 4 is located above the three-way flow guide pipe 7, so as to facilitate the introduction of all water into the three-way flow guide pipe 7, wherein the pipe lap plate 5 is arranged at the connection position of adjacent longitudinal water guide pipes 4.

[0025] In this embodiment, a double-layer filter cloth 8 is arranged in the longitudinal water guide pipe 4, and a rectangular screen 9 is arranged at the connecting position between the longitudinal water guide pipe 4 and the three-way flow guide pipe 7. A first piece of hot-melt permeable cloth 10 is arranged on the rectangular screen 9, which only allows water to pass through, and all the infiltrated melted snow water is introduced into the three-way flow guide pipe 7. The bottom outlet of the three-way flow guide pipe 7 is connected to the inlet of the transverse water guide pipe 6. The outlet of the transverse water guide pipe 6 passes through the main body of the road 1 and is connected to one end of the No. 1 water guide pipe 16. The other end of the No. 1 water guide pipe 16 passes through the shoulder 2 and is connected to the secondary water collecting tank 13 in the slope 3. The shoulder 2 is provided with A primary water collecting tank 12, the outlet at the bottom of the primary water collecting tank 12 is connected to the No. 1 diversion pipe 16, the bottom outlet of the secondary water collecting tank 13 is connected to the inlet of the tertiary water collecting tank 14 at the bottom of the slope 3 through the No. 2 diversion pipe 17, the outlet of the tertiary water collecting tank 14 is connected to one end of a drainage pipe 15, the other end of the drainage pipe 15 passes through the roadbed and extends out of the roadbed, and circular filter screens 18 are provided at the inlet and outlet of the drainage pipe 15 to prevent accumulated deposits from entering the drainage pipe 15 and blocking the drainage pipe 15, and at the same time prevent small animals such as snakes and mice from entering the tertiary water collecting tank 14 through the drainage pipe 15.

[0026] In this embodiment, a gravel layer 11 is provided above the primary water collecting tank 12, the secondary water collecting tank 13 and the tertiary water collecting tank 14, and water permeable holes 19 are provided on the top of the primary water collecting tank 12, the secondary water collecting tank 13 and the tertiary water collecting tank 14. The gravel layer 11 and the primary water collecting tank 12, the secondary water collecting tank 13 and the tertiary water collecting tank 14 are provided with a second piece of hot-melt permeable cloth 10, which plays a filtering role, preventing gravel of various particle sizes from entering the water collecting tank, and preventing the water collecting tank from clogging the pipe due to the accumulation of gravel as much as possible, thereby affecting the drainage efficiency and fluidity. The gravel plays a buffering role, extending the life of the hot-melt permeable cloth 10.

[0027] In this embodiment, the primary water collecting tank 12 , the secondary water collecting tank 13 and the tertiary water collecting tank 14 are distributed sequentially from top to bottom, that is, the three water collecting tanks are placed in a stepped manner, which can cover the entire road shoulder 2 and the slope 3 .

[0028] The working process of the utility model is:

[0029] The longitudinal water guide pipe 4 guides the snow water seeping down due to the melting of snow on the road into the transverse water guide pipe 6 through the three-way guide pipe 7, and is connected to the secondary water collecting tank 13 through the No. 1 guide pipe 16, and the water is guided into the secondary water collecting tank 13. By burying the water collecting tanks in a stepped manner inside the shoulder 2 and the slope 3, and arranging the gravel layer 11 and the hot-melt permeable cloth 10 above them, the seepage water of the shoulder 2 and the slope 3 is guided into the water collecting tank. By arranging the height difference between the boxes in a stepped manner, the seepage water collected by the road body 1, the shoulder 2 and the slope 3 is better collected together, and finally guided into the drain pipe 15 through the outlet of the tertiary water collecting tank 14, and then all the collected water is discharged to the outside of the road through the drain pipe 15 to ensure the stability of the roadbed.

[0030] The principle of the utility model is:

[0031] When the simulation device is in use, the longitudinal water pipe 4, the rectangular screen 9 and the hot-melt permeable cloth 10 in the main body of the road 1 collect the infiltrated snowmelt water, and introduce it all into the three-way drainage pipe 7, and then introduce it into the transverse water pipe 6 through the three-way drainage pipe 7, and introduce the water in the transverse water pipe 6 into the secondary water collecting tank 13 through the No. 1 drainage pipe 16, and collect the infiltrated snowmelt water in the shoulder 2 and the slope 3 into the secondary water collecting tank 13 and the tertiary water collecting tank 14 through the three stepped water collecting tanks buried on the shoulder 2 and the slope 3. Through the hot-melt permeable cloth 10 and the gravel layer 11 above the secondary water collecting tank 13 and the tertiary water collecting tank 14, it is convenient to filter out sand and gravel of various particle sizes and introduce water into the secondary water collecting tank 13 and the tertiary water collecting tank 14, connect the water collecting tanks at all levels together through the No. 2 drainage pipe 17, and introduce water into the tertiary water collecting tank 14 step by step, and finally discharge it to the outside of the road through the drain pipe 15.

[0032] The utility model has a wide range of applicability, can drain the snow water that seeps into the roadbed due to the melting of snow, and can also add any required accessories in the device to meet the needs of different geographical locations and seasonal conditions. The scope of application is wider, and the utility model can better adapt to the changes in snow and rainy seasons in different regions and seasons. In addition, there is higher flexibility, and the parameters can be adjusted to adapt to the drainage needs of different regions.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. A drainage device for frozen soil roadbed slope in high-cold snowy areas, characterized in that: The invention comprises a road body (1), a road shoulder (2) and a side slope (3) which are arranged in sequence. A water guide system is arranged in the road body (1). The water guide system comprises a plurality of three-dimensional flow guide pipes (7) and a plurality of longitudinal water guide pipes (4). Two longitudinal water guide pipes (4) correspond to one three-dimensional flow guide pipe (7). The outlet of the longitudinal water guide pipe (4) is connected to the inlet of the corresponding three-dimensional flow guide pipe (7). The bottom outlet of the three-way flow guide pipe (7) is connected to the inlet of the transverse water guide pipe (6); the outlet of the transverse water guide pipe (6) passes through the main body of the road (1) and is connected to one end of the first flow guide pipe (16); the other end of the first flow guide pipe (16) passes through the shoulder (2) and is connected to the secondary water collecting tank (13) in the slope (3); the bottom outlet of the secondary water collecting tank (13) is connected to the inlet of the tertiary water collecting tank (14) at the bottom of the slope (3) through the second flow guide pipe (17); the outlet of the tertiary water collecting tank (14) is connected to one end of the drainage pipe (15); the other end of the drainage pipe (15) passes through the roadbed and extends out of the roadbed.

2. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 1 is characterized in that: Adjacent longitudinal water pipes (4) are connected via an inverted V-shaped pipe lap plate (5).

3. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 1 is characterized in that: The longitudinal water guide pipe (4) is located above the three-way flow guide pipe (7).

4. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 1 is characterized in that: A double-layer filter cloth (8) is arranged inside the longitudinal water conduit (4).

5. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 1 is characterized in that: A rectangular screen (9) is provided at the communication position between the longitudinal water guide pipe (4) and the three-way flow guide pipe (7), and a first piece of hot-melt type water-permeable cloth (10) is provided on the rectangular screen (9).

6. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 1 is characterized in that: A circular filter screen (18) is provided at the inlet and outlet of the drainage pipe (15).

7. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 5 is characterized in that: A primary water collecting tank (12) is arranged inside the road shoulder (2), and an outlet at the bottom of the primary water collecting tank (12) is connected to a No. 1 flow guide pipe (16).

8. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 7 is characterized in that: A gravel layer (11) is provided above the primary water collecting tank (12), the secondary water collecting tank (13) and the tertiary water collecting tank (14), and a water permeable hole (19) is provided at the top of the primary water collecting tank (12), the top of the secondary water collecting tank (13) and the top of the tertiary water collecting tank (14).

9. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 8 is characterized in that: The gravel layer (11) and the first-level water collecting tank (12), the second-level water collecting tank (13) and the third-level water collecting tank (14) are all provided with a second piece of hot-melt type water-permeable cloth (10).

10. The drainage device for frozen soil roadbed slope in high-cold snowy areas according to claim 7, characterized in that: The primary water collecting tank (12), the secondary water collecting tank (13) and the tertiary water collecting tank (14) are distributed in sequence from top to bottom.

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