CN214831630U - Unilateral drainage ditch that accelerates - Google Patents

Abstract

The utility model belongs to the drainage ditch technical field, and discloses a unilateral accelerating drainage ditch, which comprises a road shoulder, a drainage ditch and a reverse slope structure, wherein the drainage ditch comprises a water interception wall and a drainage ditch foundation, and the road shoulder is fixedly arranged at the top of the water interception wall; the counter-slope structure is arranged on the drainage ditch foundation and inclines downwards along the direction towards the water interception wall; the reverse slope structure and the water interception wall form a drainage cavity; during drainage, water flows into the drainage cavity along the adverse slope structure. The utility model provides an unilateral drainage ditch that accelerates has increased the drainage speed in the ditch through increasing the adverse slope structure, satisfies the drainage of special rivers such as little flow, sand-laden, has also strengthened the desilting ability in the drainage ditch, can wash away debris and grit in the ditch under the rivers effect; in addition, the unilateral design utilizes the original side slope rock structure, only the drainage building close to the roadbed side is built, and the unilateral design is combined with the rock side slope, so that the building engineering quantity is reduced, the manufacturing cost is reduced, and the construction period is shortened.

Description

Unilateral drainage ditch that accelerates

Technical Field

The utility model relates to a escape canal technical field especially relates to a unilateral escape canal with higher speed.

Background

The drainage ditch is widely applied to the construction of highways, railways and municipal works, the unilateral drainage ditch (also called a half-edge drainage ditch) is mainly applied to a rock slope road section, and a drainage structure built for ensuring drainage of the rock road section can reduce the damage of accumulated water to a road surface and a roadbed. At present, the problem of being connected between ditch and drop well is considered in the design of current escape canal, often can follow the extending direction design certain slope ratio of escape canal and in order to do benefit to the drainage, and its bottom structure often is planar structure, and is not obvious to the drainage effect that contains fine sand, low water yield, and the ditch content is easily piled up silt and is formed the jam and be difficult to the clearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unilateral drainage ditch with higher speed satisfies the drainage of special rivers such as little flow, sand-containing, has strengthened the desilting ability to in the drainage ditch, has reduced the engineering volume and the manufacturing cost of building by laying bricks or stones, has shortened the time limit for a project.

To achieve the purpose, the utility model adopts the following technical proposal:

a single-sided acceleration drain, comprising:

a road shoulder;

the drainage ditch comprises a water interception wall and a drainage ditch foundation, and the road shoulder is fixedly arranged at the top of the water interception wall; and

the adverse slope structure is arranged on the drainage ditch foundation and inclines downwards along the direction facing the water interception wall; the adverse slope structure and the water interception wall form a drainage cavity; and during drainage, water flows into the drainage cavity along the adverse slope structure.

Further, the ratio of the vertical dimension to the horizontal dimension of the adverse slope structure ranges from 1.5% to 15.5%.

Furthermore, the adverse slope structure is provided with two, two the adverse slope structure certainly the medial part of escape canal basis is to both sides downward symmetry slope.

Furthermore, the included angle between the side wall of the drainage ditch base and the horizontal direction is less than or equal to 90 degrees.

Furthermore, a groove is formed in one side, close to the water intercepting wall of the adverse slope structure, of the water intercepting wall, and the groove extends along the length direction of the water intercepting wall.

Furthermore, the road shoulder drainage device further comprises a drainage ditch cover plate, and one end of the drainage ditch cover plate is rotatably connected with the road shoulder.

Further, still include drop well, drop well with the drainage chamber intercommunication.

Further, the surfaces of the water interception wall and the adverse slope structure are provided with hydrophobic coatings.

Further, the shoulder is made of concrete.

Further, the drainage ditch is made of mortar rubble.

The utility model has the advantages that: the utility model provides an unilateral drainage ditch that accelerates has increased the drainage speed in the ditch through increasing the adverse slope structure, satisfies the drainage of special rivers such as little flow, sand-laden, has also strengthened the desilting ability in the drainage ditch, can wash away debris and grit in the ditch under the rivers effect; in addition, the unilateral design utilizes the original side slope rock structure, only the drainage building close to the roadbed side is built, and the unilateral design is combined with the rock side slope, so that the building engineering quantity is reduced, the manufacturing cost is reduced, and the construction period is shortened.

Drawings

Fig. 1 is a schematic structural view of a single-side acceleration drainage ditch according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a single-side acceleration drainage ditch with two reverse slope structures according to an embodiment of the present invention;

fig. 3 and 4 show two connection modes between the single-side acceleration drainage ditch and the mountain slope according to the embodiment of the present invention;

FIG. 5 illustrates a cut edge trench type drainage ditch according to an embodiment of the present invention;

fig. 6 is an embankment gutter type drainage ditch according to an embodiment of the present invention;

fig. 7 shows a rectangular gutter pattern according to an embodiment of the present invention.

In the figure:

1. a road shoulder;

2. a drainage ditch; 21. a water cut-off wall; 22. a drainage ditch foundation;

3. a reverse slope structure; 100. mountain slopes.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model provides a unilateral accelerating drainage ditch, which comprises a road shoulder 1, a drainage ditch 2 and an adverse slope structure 3, wherein the drainage ditch 2 comprises a cut-off wall 21 and a drainage ditch foundation 22, and the road shoulder 1 is fixedly arranged at the top of the cut-off wall 21; the road shoulder 1 increases the overall height of the unilateral acceleration drainage ditch, enhances the anti-overflow effect, can bear the lateral pressure of a roadbed and certain vehicle-mounted pressure, and provides a stable foundation for the installation of markers such as waveform guardrails, identification tags and the like; the material of the road shoulder 1 is preferably concrete, and the road shoulder can resist wind and rain erosion and water flow scouring; the adverse slope structure 3 is arranged on the drainage ditch foundation 22 and inclines downwards along the direction towards the water interception wall 21; the reverse slope structure 3 and the water interception wall 21 form a drainage cavity; during drainage, water flows into the drainage cavity along the adverse slope structure 3. Preferably, the water interception wall 21, the drainage ditch foundation 22 and the adverse slope structure 3 are integrally formed, the materials are preferably mortar rubbles, and the materials can be made of on-site stone materials, so that the cost is low, the porosity is large, and water permeation is facilitated; in addition, the materials of the cut-off wall 21, the drainage ditch foundation 22 and the adverse slope structure 3 are not limited to mortar rubbles, and concrete can also be used, when construction is carried out, the drainage ditch foundation 22 part is poured firstly, then the cut-off wall 21 part is poured, finally the road shoulder 1 is installed on the cut-off wall 21, and when the materials used by the road shoulder 1 and the cut-off wall 21 are the same, pouring construction can be carried out together. The utility model discloses an unilateral drainage ditch with higher speed is applicable to the abundant subtropical zone rain forest climate of rainwater, mainly is applied to the highway drainage of rock slope road section department, as shown in figure 3 and figure 4, the unilateral drainage ditch with higher speed sets up in the mountain foot department on mountain slope 100, combines with mountain slope 100, and rivers flow to the drainage ditch 2 from mountain slope 100, assemble in the drainage intracavity after the adverse slope structure 3 flows through. The adverse slope structure 3 increases the drainage speed in the ditch, meets the drainage of special water flows with small flow, sand content and the like, can wash away sundries and gravels in the ditch under the action of the water flows, and is convenient to clean the drainage ditch 2. The shoulder 1 and the cut-off wall 21 prevent the water in the drainage chamber from overflowing.

Specifically, the ratio of the vertical dimension to the horizontal dimension of the adverse slope structure 3 ranges from 1.5% to 15.5%. In the embodiment, the ratio of the vertical dimension a of the adverse slope structure 3 to the horizontal dimension b is preferably in the range of 2% -15%, and 5% is the best, so that the drainage effect and the effect of washing away silt are the best.

Specifically, the counter-slope structures 3 are provided in two, and the two counter-slope structures 3 are inclined downward symmetrically from the middle portion of the drain foundation 22 to both sides. As shown in fig. 2, when the width of the drainage ditch foundation 22 is too long, the drainage and sand discharge capabilities of only a single adverse slope structure 3 are limited, and two adverse slope structures 3 can be arranged on the drainage ditch foundation 22 to enhance the drainage and sand washing capabilities. Further, the structure 3 may be provided at the bottom of a trench of a cutting gutter type, a embankment gutter type, or a rectangular cut drain type (as shown in fig. 5 to 7), and the above-described type is not limited to this, and the structure is not illustrated.

Specifically, the angle between the side wall of the drain foundation 22 and the horizontal direction is less than or equal to 90 °. As shown in fig. 1, the included angle θ between the side wall of the drainage ditch base 22 and the horizontal direction is less than or equal to 90 °, which not only reduces the processing cost, but also can be better combined with the inclined surface of the mountain slope 100.

Specifically, a groove is provided on the side of the cutoff wall 21 near the adverse slope structure 3, the groove extends along the length direction of the cutoff wall 21, and the cross-sectional shape of the groove is preferably semicircular, so that the outflow of water in the drainage cavity is accelerated.

Specifically, the road shoulder device further comprises a drainage ditch cover plate, and one end of the drainage ditch cover plate is rotatably connected with the road shoulder 1. In addition, in this embodiment, still can rotate on the curb 1 and be connected with the escape canal apron, the whole network structure that is of escape canal apron can rotate around curb 1, can close escape canal 2, and rivers flow through in the escape canal flows into the escape canal behind the escape canal apron, prevent that the stone that rolls on the massif from dropping into escape canal 2, block up escape canal 2, clear up inconveniently.

The water drop well is communicated with the drainage cavity, and water and silt in the drainage cavity flow into the water drop well under the pushing of water flow.

Specifically, the surfaces of the cutoff wall 21 and the reverse slope structure 3 are provided with hydrophobic coatings. In this embodiment, the surfaces of the cut-off wall 21 and the adverse slope structure 3 can be coated with hydrophobic coatings, so that the flow of water in the drainage cavity is accelerated, and the effect of cleaning sediment is enhanced.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a unilateral acceleration escape canal which characterized in that includes:

a road shoulder (1);

the drainage ditch (2) comprises a water interception wall (21) and a drainage ditch foundation (22), and the road shoulder (1) is fixedly arranged at the top of the water interception wall (21); and

the counter slope structure (3) is arranged on the drainage ditch foundation (22), and the counter slope structure (3) is inclined downwards along the direction facing the water interception wall (21); the adverse slope structure (3) and the water interception wall (21) form a drainage cavity; during drainage, water flows into the drainage cavity along the adverse slope structure (3).

2. The single-sided acceleration drain ditch of claim 1, characterized in that the ratio of the vertical dimension of the adverse slope structure (3) to the horizontal dimension ranges from 1.5% to 15.5%.

3. The single-sided acceleration drain according to claim 1, characterized in that there are two counter-slope structures (3), two counter-slope structures (3) being symmetrically inclined downwards from the middle part of the drain foundation (22) to both sides.

4. The single-sided acceleration drain of claim 1, characterized in that the angle between the side wall of the drain foundation (22) and the horizontal is less than or equal to 90 °.

5. The single-sided acceleration drain according to claim 1, characterized in that a groove is provided on one side of the cut-off wall (21) close to the counter-slope structure (3), said groove extending in the length direction of the cut-off wall (21).

6. The single-sided acceleration drain according to claim 1, characterized in that it further comprises a drain cover plate, one end of which is rotatably connected with the shoulder (1).

7. The single-sided acceleration drain of claim 1, further comprising a drop well, wherein the drop well is in communication with the drain chamber.

8. The single-sided acceleration drain according to claim 1, characterized in that the surface of the cut-off wall (21) and the counter-slope structure (3) is provided with a hydrophobic coating.

9. The unilateral acceleration drainage ditch according to claim 1, characterized in that, the material of the curb (1) is concrete.

10. The single-sided acceleration drain according to claim 1, characterized in that the material of the drain (2) is mortar rubble.

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