CN216194450U

CN216194450U - Ecological slope protection for controlling flood of dike

Info

Publication number: CN216194450U
Application number: CN202122559104.4U
Authority: CN
Inventors: 王琰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-05
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses an ecological slope protection for controlling flood control of a dike, which solves the problem that the slope protection is seriously scoured by mixing rainwater and surface water in the existing ecological slope protection and reduces the damage of river water to the slope protection. The ecological slope protection comprises a slope bottom, a slope top and a prefabricated grass planting grid plate, wherein the slope bottom is a concrete pouring ballast foot, the slope top is a pedestrian path, a drop well and a water collecting channel are arranged on the slope protection between the slope top and the slope bottom, a prefabricated drain pipe which is inclined from the slope top to the slope bottom is arranged between the drop well and the pouring ballast foot, the prefabricated drain pipe is embedded in a soil material backfilling area of a slope, and the lower end of the prefabricated drain pipe is arranged at the pouring ballast foot and extends into a river channel; and the water outlet of the prefabricated water drainage pipe is arranged along the same direction as the water flow direction in the river channel. According to the utility model, the drainage pipe and the water collection pipe are arranged in the slope protection, so that surface water such as rainwater cannot impact from top to bottom from the top of the slope, and the surface layer of the slope protection is prevented from being washed.

Description

Ecological slope protection for controlling flood of dike

Technical Field

The utility model relates to an ecological bank protection technical field.

Background

The ecological slope protection is a slope protection technology for supporting a slope or a side slope by basic knowledge of subjects such as comprehensive engineering mechanics, soil science, ecology, botany and the like to form a comprehensive slope protection system consisting of plants or engineering and plants.

The utility model researches hydraulic parameters and geotechnical parameters influencing bank slope stability, thereby realizing the hydraulic stability design of the slope protection.

The existing ecological slope protection technology is not comprehensive in consideration of adverse factors brought by rainwater erosion resistance.

For example, CN109024485A discloses an ecological slope protection structure of river course scour protection, has set gradually anti-geotechnological fabric layer, polymer scour protection layer and polymer building block layer from inside to outside on the river course bank protection, polymer scour protection layer is made for rubble aggregate and solidification adhesive mixture, and polymer building block layer includes a plurality of building blocks, be provided with the plant planting groove on the building block. The technology adopts the method that the organization cost of the ecological slope protection surface layer is increased, so that the purposes of rain erosion resistance and river erosion resistance are achieved.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides an ecological slope protection for managing the flood control of a dike, which solves the problem that the slope protection is seriously scoured by the mixing of rainwater and surface water in the existing ecological slope protection and reduces the damage of river water to the slope protection.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the ecological bank protection is administered in dyke flood control, and the slope bottom of this ecological bank protection is concrete placement town foot, and the top of the slope is the pedestrian path to set up prefabricated grass planting latticed board, its characterized in that on the bank protection between top of the slope and the bottom of the slope:

arranging a drop well and a water collecting channel outside the pedestrian path, arranging a prefabricated drain pipe which is inclined from the top of a slope to the bottom of the slope between the drop well and a concrete pouring ballast, burying the prefabricated drain pipe in a soil material backfilling area of the slope, and arranging the lower end of the prefabricated drain pipe at the concrete pouring ballast and extending into the river channel; and the water outlet of the prefabricated water drainage pipe is arranged along the same direction as the water flow direction in the river channel.

Furthermore, a water collecting pipe is embedded at the bottom of the soil material backfilling area, a hole is drilled in a pipe body of the water collecting pipe, and the lower end of the water collecting pipe penetrates through a slope bottom concrete pouring ballast foot.

Furthermore, the prefabricated grass planting grid plate is provided with anchoring holes, and the anchoring piece penetrates through the anchoring holes and anchors the prefabricated grass planting grid plate.

Further, the anchor main body is of a hollow structure, is provided with a spiral on the outer side and is provided with a tip.

Further, the pedestrian path comprises a slate board, a C20 concrete cushion layer, a broken stone cushion layer and a block stone backfill layer from top to bottom.

Furthermore, the whole prefabricated grass planting grid plate is a rectangular grid plate, and the internal grid plate consists of a plurality of diamonds.

Furthermore, the upper ends of the prefabricated grass planting grid plates are directly fixed with the C20 concrete cushion 52 in the green stone slab sidewalk, and the lower ends of the prefabricated grass planting grid plates are directly fixed with concrete pouring ballast.

Further, a geotextile layer is arranged in the soil material backfilling area.

Furthermore, polystyrene rigid foam boards are plugged between two adjacent prefabricated grass planting grid boards.

Furthermore, a foundation for replacing and filling the rolled sandstone blocks is arranged right below the drop wells and the water collecting channels.

And a soil and stone backfilling area is arranged outside the drop well and the water collecting channel.

The ecological slope protection is a slope with the slope of 1: 3.5.

The utility model has the beneficial effects that:

according to the utility model, the drainage pipe and the water collection pipe are arranged in the slope protection, so that surface water such as rainwater cannot impact from top to bottom from the top of the slope, and the surface layer of the slope protection is prevented from being washed.

According to the utility model, the large-diameter drain pipe and the small-size water collecting pipe are obliquely arranged in the slope protection soil layer, so that river water flows backwards into the drain pipe and the water collecting pipe when flood occurs, and the impact on the slope protection is reduced.

Drawings

Fig. 1 is a sectional view of a slope protection.

Fig. 2 is an end view of a middle concrete prefabricated drain pipe.

Fig. 3 is a sectional view of the slope protection.

Fig. 4 is a layout view of the grass-planting grid plate and the drainage pipe.

In the figure:

01 the rock block stone is used for replacing and filling the foundation,

a 02 drop well, a 21 catchment canal,

03, prefabricating a drain pipe by using concrete,

04 a soil and stone material backfill area,

05 green stone plate sidewalk, 51 green stone plate, 52C20 concrete cushion layer, 53 broken stone cushion layer, 54 stone backfill layer,

06, backfilling the soil material in the area,

07 grass planting grid plate, 71 anchoring holes, 72 anchoring pieces, 73 polystyrene rigid foam plate,

08 a water collecting pipe is arranged on the water collecting pipe,

09 concrete is poured to town feet.

Detailed Description

The ecological slope protection is a slope with the slope of 1:3.5, concrete pouring ballast legs are arranged at the slope bottom of the ecological slope protection, the slope top is a blue stone plate pedestrian path, the slope surface part between the pedestrian path and the concrete pouring ballast legs is subjected to ecological design, and the bridge greening and scour prevention functions are achieved.

The following detailed description is made with reference to the accompanying drawings 1 to 4 of the specification.

Firstly, excavating earth and stones at the top of a slope, tamping to form a rolled sandstone block stone replacement and filling foundation 01, and building a drop well 02 and a water collecting channel 21 above the rolled sandstone block stone replacement and filling foundation 01, wherein the water collecting channel is used for collecting rainwater at the top of the slope to prevent the rainwater from directly impacting the slope protection to cause damage.

The number of the drop wells 02 is one at intervals of ten meters, a concrete prefabricated drain pipe 03 is arranged at the low point of each drop well, and the lower ends of the prefabricated drain pipes are arranged at the concrete pouring town feet 09 and extend into a river channel.

The concrete prefabricated drain pipe is inclined from the top of the slope to the bottom of the slope in the slope, referring to fig. 4, and the inclination is arranged along the direction of water flow in the river channel, so that the design can prevent river water from entering the concrete prefabricated drain pipe from a drain port, and further prevent the river water from impacting the slope bottom, particularly the position of a drain port.

And a soil and stone backfill area 04 is arranged outside the water collecting channel and compacted by rolling, and the soil and stone backfill area has a slope inclining towards the water collecting well. The inner side of the water collecting channel is provided with a green stone pedestrian path 05 which has a slope inclined towards the water collecting well, and the green stone pedestrian path comprises a green stone 51, a C20 concrete cushion 52, a broken stone cushion 53 and a block stone backfill layer 54 from top to bottom, and the green stone pedestrian path has enough strength through arrangement of the parts.

The method comprises the steps of backfilling soil materials in a soil material backfilling area 06 on a slope, wherein the surface layer of the soil material backfilling area 06 is a geotextile layer, laying a prefabricated grass planting grid plate 07 on the upper side of the geotextile layer, the whole prefabricated grass planting grid plate is a rectangular grid plate, and the internal grid plate is composed of a plurality of diamonds. The prefabricated grass planting grid plate is provided with anchoring holes 71 which are round holes and are anchored by a special anchoring piece 72, the main body of the anchoring piece 72 is a hollow column with the diameter of 50 mm, a screw is arranged on the outer side of the main body, the main body is provided with a tip part and is fixed in a rotating and pressing-in mode, and the grid plate is fixed on a slope.

The upper end of the prefabricated grass planting grid plate 07 is directly fixed with a C20 concrete cushion 52 in a green stone board sidewalk, and the lower end of the prefabricated grass planting grid plate 07 is directly fixed with a concrete pouring ballast 09, so that the prefabricated grass planting grid plate 07 is well fixed, a latticed rigid slope protection structure is formed on the surface layer of a slope protection, and water and soil loss is prevented. The soil in the soil backfilling area 06 is further stabilized by planting green plants in the prefabricated grass planting grid plate 07.

In the above, the polystyrene hard foam board 73 is inserted between two adjacent prefabricated grass planting grid boards 07, and an expansion joint of 2 cm is formed in the transverse direction, so that stress concentration in the transverse direction of the revetment is avoided.

And (3) embedding a water collecting pipe 08 at the bottom of the soil backfilling area 06, wherein the water collecting pipe is a PVC pipe with the diameter of 15 mm, and a hole is drilled in the pipe body to form a water collecting hole for collecting internal rainwater and discharging the rainwater downwards. Correspondingly, the lower end of the water collecting pipe penetrates through the slope bottom concrete pouring ballast 09 and is discharged outside a river channel.

The water collecting pipes and the concrete prefabricated drain pipes are arranged at intervals, namely the water collecting pipes are arranged in an area between every two concrete prefabricated drain pipes to form occupied arrangement, and the design is favorable for discharging collected water in the soil backfill area 06 in extreme weather such as rainstorm.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.

Claims

1. The ecological bank protection is administered in dyke flood control, and the slope bottom of this ecological bank protection is concrete placement town foot, and the top of the slope is the pedestrian path to set up prefabricated grass planting latticed board (07), its characterized in that on the bank protection between top of the slope and the bottom of the slope:

a drop well (02) and a catchment channel (21) are arranged on the outer side of the pedestrian path, a prefabricated drain pipe (03) which inclines from the top of the slope to the bottom of the slope is arranged between the drop well (02) and a concrete pouring ballast (09), the prefabricated drain pipe is buried in a soil material backfill area (06) of the slope, and the lower end of the prefabricated drain pipe is arranged at the concrete pouring ballast (09) and extends into the river channel; and the water outlet of the prefabricated water drainage pipe and the water flow in the river channel are arranged in the same direction.

2. The ecological slope protection for flood control of dike according to claim 1, wherein the soil backfill region is embedded with water collecting pipes (08), the pipe bodies of the water collecting pipes are drilled with holes, and the lower ends of the water collecting pipes penetrate through concrete pouring ballast (09) at the bottom of the slope.

3. The ecological slope protection for flood control of embankment according to claim 2, wherein said prefabricated grass-planting grid plate is provided with anchoring holes (71), and anchoring members (72) are passed through the anchoring holes and anchor the prefabricated grass-planting grid plate.

4. The ecological slope protection for embankment flood control according to claim 3, wherein the anchor member (72) has a hollow structure and is provided with a spiral at the outer side thereof, having a tip.

5. The ecological slope protection for flood control of levee according to claim 1, wherein the walkway is composed of a slate slab (51), a C20 concrete cushion (52), a gravel cushion (53) and a stone backfill layer (54) from top to bottom.

6. The ecological slope protection for flood control of embankment according to claim 1, wherein the prefabricated grass-planted grid plate is a rectangular grid plate as a whole, and the internal grid plate is composed of a plurality of diamonds.

7. The ecological slope protection for flood control of levee according to claim 5, wherein the prefabricated grass-planted grid plates (07) are fixed with the C20 concrete pad (52) at the upper ends and with concrete pouring ballast feet (09) at the lower ends.

8. The dyke flood control ecological slope protection according to claim 1, wherein a geotextile layer is arranged in the soil backfilling area (06).

9. The ecological slope protection for flood control of levee according to claim 1, wherein a polystyrene rigid foam board (73) is disposed between two adjacent prefabricated grass-planting grid boards (07).

10. The dyke flood control ecological slope protection according to claim 1, wherein a rolled sandstone block stone foundation (01) is filled directly under the drop wells (02) and the catchment channels (21).