CN210621614U

CN210621614U - Ecological river course slope protection structure

Info

Publication number: CN210621614U
Application number: CN201920984182.9U
Authority: CN
Inventors: 钱磊; 张尧; 孙一博
Original assignee: Shanghai Water Engineering Design and Research Institute Co Ltd
Current assignee: Shanghai Water Engineering Design and Research Institute Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-26
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses an ecological river course slope protection structure, include: piling wood row piles arranged at the water-facing side of the river channel revetment, wherein a plurality of drain holes are formed in the wood row piles at intervals along the length direction of the revetment; a pebble groove which is arranged on the river channel revetment and extends along the length direction of the revetment, wherein pebbles are filled in the pebble groove; a plurality of drainage blind pipes are arranged on the river course revetment at intervals along the length direction of the revetment and are positioned between the wood raft piles and the pebble grooves, macadam is filled in each drainage blind pipe, one end of each drainage blind pipe is communicated with the pebble grooves, and the other end of each drainage blind pipe extends to the wood raft piles and is communicated with corresponding drainage holes formed in the wood raft piles; and the aquatic plant planting platform is constructed at the river channel and is positioned on the front side of the wood raft piles. The utility model discloses a rubble in cobble groove and the drainage blind pipe purifies the rainwater, reduces the non-point source effectively and pollutes, improves the quality of water that the rainwater went into the river.

Description

Ecological river course slope protection structure

Technical Field

The utility model relates to a river course slope protection technical field especially relates to an ecological river course slope protection structure.

Background

Sponge city construction is one of the key research works in China to deal with various water ecological safety problems in cities at present. In 4 months 2012, the concept of "sponge city" in "2012 low carbon city and regional development science and technology forum is proposed for the first time; 12.12.2013, Xi jinping am emphasized in the speech of "conference on Central township work": the method includes the steps of firstly considering limited rainwater to be reserved when the urban drainage system is lifted, preferably considering more natural force drainage to be used, and constructing a sponge city with natural storage, natural penetration and natural purification.

The water system is an important ecological infrastructure, maintains the functions of regional flood control, waterlogging drainage, water storage, irrigation and the like, is an important element forming regional space diversity and landscape diversity, is an important natural ecosystem and landscape interface, is an important region of biological diversity, and is a carrier of historical culture. One of the major important purposes of sponge city construction is to reduce the non-point source pollution of the city.

Ecological slope protection structure is exactly the bank protection type that should be transported and give birth to in sponge city construction and river course ecological remediation's the call for a sound, and ecological slope protection structure at present mainly is through planting the plant, and the ecological bank protection is made to the material that the application water permeability is higher, but this kind of ecological slope protection structure can't reduce the non-point source pollution betterly. The applicant has therefore made an advantageous search and attempt to solve the above-mentioned problems, in the context of which the technical solutions to be described below have been created.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: aiming at the defects of the prior art, the ecological river channel slope protection structure which can effectively reduce non-point source pollution, has good ecological property and is easy to implement is provided.

The utility model discloses the technical problem that will solve can adopt following technical scheme to realize:

an ecological river course slope protection structure includes:

piling wood raft piles arranged at the water-facing side of the river channel revetment, wherein the wood raft piles are formed by a plurality of wood piles densely arranged along the length direction of the revetment, and a plurality of drain holes are formed in the wood raft piles at intervals along the length direction of the revetment;

a pebble groove which is arranged on the river channel revetment and extends along the length direction of the revetment, wherein pebbles are filled in the pebble groove;

a plurality of drainage blind pipes are arranged on the river course revetment at intervals along the length direction of the revetment and are positioned between the wood raft piles and the pebble grooves, macadam is filled in each drainage blind pipe, one end of each drainage blind pipe is communicated with the pebble grooves, and the other end of each drainage blind pipe extends to the wood raft piles and is communicated with corresponding drainage holes formed in the wood raft piles; and

and the aquatic plant planting platform is constructed at the riverway and is positioned on the front side of the wood raft piles and used for planting aquatic plants.

In a preferred embodiment of the present invention, a reinforcing bar extending in a horizontal direction is provided at upper and lower sides of each drainage hole in the raft pile, respectively.

In a preferred embodiment of the present invention, the reinforcing steel bars have a diameter of 5mm to 10mm and a length of 400mm to 600 mm.

In a preferred embodiment of the present invention, each of the wood piles has a diameter of 80mm to 150mm and a length of 2.5m to 3.5 m.

In a preferred embodiment of the present invention, a first geotextile is disposed on the rear side of the raft pile, an upper side edge of the first geotextile is higher than a horizontal plane of the aquatic plant cultivation platform, and a lower side edge of the first geotextile is lower than a bottom surface of the aquatic plant cultivation platform.

In a preferred embodiment of the present invention, the cross section of the pebble groove is in an inverted trapezoid shape, the top width of the pebble groove is 450mm to 550mm, the bottom width of the pebble groove is 250mm to 350mm, and the depth of the pebble groove is 450mm to 550 mm.

In a preferred embodiment of the present invention, the pebbles have a diameter of 15mm to 60 mm.

In a preferred embodiment of the present invention, the distance between two adjacent drainage blind pipes is 40m to 60 m.

In a preferred embodiment of the present invention, the diameter of each drainage blind pipe is 250 mm-350 mm.

In a preferred embodiment of the present invention, a layer of second geotextile is coated on the outer circumferential surface of each drainage blind pipe.

Due to the adoption of the technical scheme, the beneficial effects of the utility model reside in that:

1. the utility model purifies the rainwater through pebbles in the pebble groove and gravels in the drainage blind pipe, effectively reduces the non-point source pollution and improves the water quality of the rainwater entering the river;

2. the utility model can be well combined with the river slope protection to form a harmonious original ecological effect;

3. the construction process of the pebble tank and the drainage blind pipe is simple and easy to learn, and the construction speed is high;

4. the utility model discloses be particularly useful for the ecological relatively high, the slower river bank of velocity of flow or lake revetment of requirement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a partial schematic view of the raft pile of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Referring to fig. 1, an ecological river slope protection structure is shown, which comprises wooden piles 100, pebble troughs 200, a plurality of drainage blind pipes 300 and an aquatic plant planting platform 400.

The wooden row piles 100 are arranged at the waterside of the river channel revetment 10, the wooden row piles 100 are composed of a plurality of wooden piles 110 which are densely arranged along the length direction of the revetment, the diameter of each wooden pile 110 is 80 mm-150 mm, and the length of each wooden pile is 2.5 m-3.5 m. The wooden raft piles 100 are provided with a plurality of drain holes 120 at intervals along the length direction of the revetment. Referring to fig. 2 in conjunction with fig. 1, reinforcing

bars

130a and 130b extending in a horizontal direction are respectively disposed at upper and lower sides of each drainage hole 120 in the raft pile 100, and in this embodiment, the

reinforcing bars

130a and 130b have a diameter of 5mm to 10mm and a length of 400mm to 600 mm. The structure of the raft pile 100 at the drain hole 120 is effectively reinforced by the design of the

reinforcing bars

130a, 130b, and the stability of the whole structure is improved.

The pebble groove 200 is arranged on the river channel revetment 10 and extends along the length direction of the revetment, the cross section of the pebble groove 200 is in an inverted trapezoid shape, the top width of the pebble groove is 450-550 mm, the bottom width of the pebble groove is 250-350 mm, and the depth of the pebble groove is 450-550 mm. Pebbles 210 are filled in the pebble groove 200, and the diameter of the pebbles 210 is 15 mm-60 mm.

The drainage blind pipes 300 are arranged on the river channel revetment 10 at intervals along the length direction of the revetment and are located between the wood raft piles 100 and the pebble groove 200, macadam 310 is filled in each drainage blind pipe 300, one end of each drainage blind pipe 300 is communicated with the pebble groove 200, and the other end of each drainage blind pipe 300 extends to the wood raft piles 100 and is communicated with the corresponding drainage holes 120 formed in the wood raft piles 100. In this embodiment, the distance between two adjacent blind drain pipes 300 is 40m to 60m, the diameter of each blind drain pipe 300 is 250mm to 350mm, and the outer circumferential surface of each blind drain pipe 300 is covered with a layer of geotextile to prevent the civil engineering from entering the blind drain pipe 300.

The aquatic plant growing platform 400 is constructed at a river channel and is located at the front side of the raft piles 100, and it is used to grow aquatic plants.

A layer of geotextile 500 is arranged on the rear side of the raft pile 100, the upper edge of the geotextile 500 is higher than the horizontal plane of the aquatic plant planting platform 400, and the lower edge thereof is lower than the bottom surface of the aquatic plant planting platform 400. In this embodiment, the geotextile 500 has a distance of 1000mm to 1500mm between the upper and lower side edges and a grammage of 350g/m²。

The utility model discloses an ecological river course slope protection structure's construction method, including following step:

step 1, trimming the river channel protection slope 10 to a designed slope ratio, driving wood raft piles 100 into the tail end (water side) of the river channel protection slope 10 to a designed elevation, and paving a layer of geotextile 500 on the rear side surface of the wood raft piles 100;

step 2, excavating surface soil on the river channel protection slope 10, laying one drainage blind pipe 300 at intervals of 50m, then coating a layer of geotextile on the outer peripheral surface of each drainage blind pipe 300, and filling broken stones in each drainage blind pipe 300;

step 3, arranging a drainage hole 120 at each drainage blind pipe 300 on the raft pile 100, and binding 500mm timber piles 110 on the upper side and the lower side of the drainage hole 120 on the raft pile 100 by adopting reinforcing

steel bars

130a and 130 b;

step 4, covering soil above each drainage blind pipe 300 and compacting;

and 5, excavating a pebble groove 200, and filling pebbles 210 into the pebble groove 200.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an ecological river course slope protection structure which characterized in that includes:

2. The ecological river slope protection structure of claim 1, wherein a reinforcing bar extending in a horizontal direction is provided at upper and lower sides of each drainage hole in the raft pile, respectively.

3. The ecological river course slope protection structure of claim 2, wherein the reinforcing steel bars have a diameter of 5mm to 10mm and a length of 400mm to 600 mm.

4. The ecological river slope protection structure of claim 1, wherein each wood pile has a diameter of 80mm to 150mm and a length of 2.5m to 3.5 m.

5. The ecological riverway slope protection structure as claimed in claim 1, wherein a first geotextile is provided on the rear side of the raft pile, and has an upper edge higher than the water level of the aquatic plant growing platform and a lower edge lower than the bottom surface of the aquatic plant growing platform.

6. The ecological river course slope protection structure of claim 1, wherein the cross section of the pebble groove is in an inverted trapezoid shape, the top width of the pebble groove is 450mm to 550mm, the bottom width of the pebble groove is 250mm to 350mm, and the depth of the pebble groove is 450mm to 550 mm.

7. The ecological river course slope protection structure of claim 6, wherein the diameter of the pebbles is 15mm to 60 mm.

8. The ecological river course slope protection structure of claim 1, wherein the distance between two adjacent drainage blind pipes is 40 m-60 m.

9. The ecological river slope protection structure of claim 8, wherein each drainage blind pipe has a diameter of 250mm to 350 mm.

10. The ecological river slope protection structure of claim 1, wherein a second geotextile is coated on the outer circumferential surface of each drainage blind pipe.