CN215290501U

CN215290501U - Super high section drainage structures

Info

Publication number: CN215290501U
Application number: CN202120095941.3U
Authority: CN
Inventors: 庄泉洪
Original assignee: Jiangsu Kejia Engineering Design Co ltd
Current assignee: Jiangsu Kejia Design Group Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-24
Anticipated expiration: 2031-01-14

Abstract

The utility model provides an ultra-high section drainage structure, including setting up at the gutter of the vertical both sides of bituminous paving, setting at least one infiltration well on the greenbelt and setting up at least one rainwater well at bituminous paving and greenbelt junction, the rainwater well is linked together with the infiltration well through the rainwater well drain pipe, the infiltration well is responsible for through the drainage and is linked together with the gutter, the buried pipe degree of depth of rainwater well drain pipe is less than the buried pipe degree of depth of drainage person in charge. The utility model discloses can change the drainage mode along with rainfall, make things convenient for debris to draw clearly, practice thrift the laying cost.

Description

Super high section drainage structures

Technical Field

The utility model belongs to the technical field of the road drainage and specifically relates to an superelevation section drainage structures.

Background

The ultrahigh section of the roadbed is the gradient of the roadbed (road surface) in the transverse direction, generally 2 percent, and is convenient for drainage. Particularly, on a curve, in order to counteract centrifugal force, the height of the curve is required to be over high, namely, the inner curve is low, the outer curve is high, the slope is too small, drainage is not facilitated, and the over-steep is not beneficial to driving and safety.

In recent years, with the increasing of the design limit conditions of roads, the ultrahigh sections of the roads are arranged more and more, and the ultrahigh section drainage of the common roads is provided with longitudinal drainage side ditches, so that rainwater is collected into the longitudinal drainage side ditches, and then is guided into the roadside side ditches by arranging a plurality of transverse drainage pipes.

The drainage mode needs more transverse drainage pipes, sundries are easily blocked in the drainage pipes, the drainage pipes are not easy to be cleaned, and the utilization rate of rainwater is low.

Disclosure of Invention

To exist not enough among the prior art, the utility model provides an ultra-high section drainage structure realizes infiltration water storage or horizontal drainage according to rainfall size. The utility model adopts the technical proposal that:

an ultra-high section drainage structure comprises drainage side ditches arranged on two longitudinal sides of a bituminous pavement, at least one infiltration well arranged on a green belt and at least one rainwater well arranged at the joint of the bituminous pavement and the green belt, wherein the rainwater well is communicated with the infiltration well through a rainwater well drainage pipe, the infiltration well is communicated with the drainage side ditches through a drainage main pipe, and the buried pipe depth of the rainwater well drainage pipe is lower than that of the drainage main pipe.

Furthermore, the rainwater well comprises a well seat, the bottom of the well seat is connected with a base, and the top of the well seat is provided with a rainwater grate.

Further, the top of the well base is flush with the asphalt pavement.

Further, the seepage well includes the well body, the well body bottom is equipped with the permeable layer, the middle part is located the upside of catch basin drain pipe and is equipped with the filter layer, the top is equipped with the well lid.

Furthermore, the middle of the filter layer is provided with a structure formed by broken stones and the outer part of the filter layer is wrapped by permeable cloth, and the permeable layer is a pebble layer.

Furthermore, a gravel drainage cushion layer which is flush with the filter layer is laid on the periphery of the seepage well in the green belt.

Furthermore, at least one rainwater well is communicated with each other through a rainwater well connecting pipe, and the collected rainwater is discharged into the seepage well through a rainwater well drainage pipe.

Furthermore, at least one seepage well is connected through a seepage well connecting pipe, and the depth of the seepage well connecting pipe is positioned between the drainage pipe of the rainwater well and the drainage main pipe.

The utility model has the advantages that:

1. the rainwater well is arranged to replace a longitudinal drainage side ditch, so that the cost is saved, and sundries in the rainwater well can be conveniently removed;

2. rainwater flows to the seepage well after entering the rainwater well, seeps and stores water in the green belt, and the utilization rate of the rainwater is high;

3. and in heavy rain, the water level in the seepage well rises and then is discharged to the drainage side ditch through the main drainage pipe, so that the smoothness of road drainage is ensured.

Drawings

Fig. 1 is a plan view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

In the figure: 1-drainage side ditch, 2-asphalt pavement, 3-green belt, 4-rainwater well, 5-rainwater well connecting pipe, 6-rainwater well drainage pipe, 7-seepage well, 8-seepage well connecting pipe, 9-drainage main pipe, 10-gravel drainage cushion layer, 41-rainwater grate, 42-well seat, 43-base, 71-well body, 72-filtering layer, 73-well cover and 74-seepage layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to the attached drawings 1-2, the utility model provides an ultra-high section drainage structure, including setting up at the vertical both sides of bituminous paving 2 gutter 1, set up at least one infiltration well 7 on greenbelt 3 and set up at least one rainwater well 4 at bituminous paving 2 and greenbelt 3 junction, rainwater well 4 is linked together with infiltration well 7 through rainwater well drain pipe 6, infiltration well 7 is linked together with gutter 1 through drainage main pipe 9, the pipe laying depth of rainwater well drain pipe 6 is less than the pipe laying depth of drainage main pipe 9, make things convenient for the rainwater to flow from high position to low level. Specifically, the asphalt pavement 2 in the super high section is high on one side and low on the other side, the main drainage pipe 9 is connected with the side drainage ditch 1 on the side of the low position, rainwater enters the green belt 3 through the rainwater well 4 or the seepage well 7 to seep downwards during light rain, the rainwater is stored, and when heavy rain occurs, the water level in the seepage well 7 rises and then is drained into the side drainage ditch 1 through the main drainage pipe 9, so that smooth drainage of a road can be ensured, the spacing distance of the main drainage pipe 9 can be increased to 100m from the original 50m, and the road quality is ensured while the quantity is reduced.

The catch basin 4 comprises a well base 42, the bottom of the well base 42 is connected with a base 43, and the top of the well base is provided with a catch basin 41. In practice, the well base 52 is formed by piling wall bricks, the rainwater grate 41 shields big sundries such as branches in rainwater, and the base 43 is a concrete base and is convenient for storing the sundries and cleaning the sundries.

In order to improve the smoothness and the aesthetic property of the pavement, the top of the well seat 42 is flush with the asphalt pavement 2.

The seepage well 7 comprises a well body 71, a seepage layer 74 is arranged at the bottom of the well body 71, a filter layer 72 is arranged at the upper side of the rainwater well drainage pipe 6 in the middle, and a well cover 73 is arranged at the top. In practice, the water seepage layer 74 plays a role of water seepage, rainwater slowly enters the green belt 3 for storage, and the filter layer 72 prevents soil in the green belt 3 from entering the seepage well 7.

Specifically, the catch basin drain pipe 6 is connected between the well base 42 and the well bore 71.

As an embodiment of the utility model, be the rubble in the middle of the filter layer 72, the outside is with the structure that the cloth parcel that permeates water formed, and the water seepage layer 74 is the cobble layer, is located in 3 interior rubble drainage bed course 10 of infiltrating well 7 periphery laid and filter layer 72 parallel and level, and the cloth that permeates water is the worker's cloth that permeates water, can prevent effectively that 3 interior earth of greenbelt from getting into infiltrating well 7 in, and rubble drainage bed course 10 reduces earth and sinks, and the cobble layer makes things convenient for the infiltration.

As an embodiment of the utility model, be linked together through catch basin connecting pipe 5 between at least one catch basin 4, in the infiltration well 7 is arranged into through a catch basin drain pipe 6 after gathering. At least one seepage well 7 is connected through a seepage well connecting pipe 8, and the depth of the seepage well connecting pipe 8 is positioned between the drainage pipe 6 of the rainwater well and the drainage main pipe 9.

The implementation mode is as follows:

firstly, synchronously arranging a rainwater well 4 and a drainage main pipe 9 along with road laying, avoiding secondary road surface excavation in the later period, then synchronously arranging a seepage well 7 when laying a green belt 3, connecting a rainwater well connecting pipe 5 between the seepage well 7 and the rainwater well 4, connecting a seepage well connecting pipe 8 between each seepage well 7 and a drainage main pipe 9 between each seepage well 7 and a drainage side ditch 1, when a well body 71 of the seepage well 7 is piled to the bottom position of a filter layer 72, filling and backfilling the green belt 3 to be level with the horizontal plane piled up at the moment, then laying the filter layer 72 and a broken stone drainage cushion layer 10, finally installing a well cover 73 after piling up the complete well body 71, completely filling the green belt 3, and finishing the laying of a drainage structure.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An ultra-high section drainage structure, characterized in that: the rainwater drainage system comprises drainage side ditches (1) arranged on the longitudinal two sides of a bituminous pavement (2), at least one seepage well (7) arranged on a green belt (3) and at least one rainwater well (4) arranged at the joint of the bituminous pavement (2) and the green belt (3), wherein the rainwater well (4) is communicated with the seepage well (7) through a rainwater well drainage pipe (6), the seepage well (7) is communicated with the drainage side ditches (1) through a drainage main pipe (9), and the pipe burying depth of the rainwater well drainage pipe (6) is lower than that of the drainage main pipe (9).

2. The ultra-high stage drainage structure according to claim 1, wherein: the rainwater well (4) comprises a well seat (42), the bottom of the well seat (42) is connected with a base (43), and the top of the well seat is provided with a rainwater grate (41).

3. The ultra-high stage drainage structure according to claim 2, wherein: the top of the well seat (42) is flush with the asphalt pavement (2).

4. The ultra-high stage drainage structure according to claim 1, wherein: the seepage well (7) comprises a well body (71), a seepage layer (74) is arranged at the bottom of the well body (71), a filter layer (72) is arranged at the upper side of the drainage pipe (6) of the rainwater well at the middle part, and a well cover (73) is arranged at the top.

5. The ultra-high stage drainage structure according to claim 4, wherein: the middle of the filter layer (72) is provided with a structure formed by broken stones and the outer part of the filter layer is wrapped by permeable cloth, and the permeable layer (74) is a pebble layer.

6. The ultra-high stage drainage structure according to claim 4, wherein: and a gravel drainage cushion layer (10) which is flush with the filter layer (72) is laid on the periphery of the seepage well (7) in the green belt (3).

7. The ultra-high stage drainage structure according to claim 1, wherein: at least one catch basin (4) is communicated with each other through a catch basin connecting pipe (5), and the catch basins are discharged into a seepage well (7) through a catch basin drainage pipe (6).

8. The ultra-high stage drainage structure according to claim 1, wherein: at least one seepage well (7) is connected through a seepage well connecting pipe (8), and the depth of the seepage well connecting pipe (8) is positioned between a drainage pipe (6) of the rainwater well and a drainage main pipe (9).