CN218405533U

CN218405533U - Water-saving greening structure for retaining wall

Info

Publication number: CN218405533U
Application number: CN202222067575.8U
Authority: CN
Inventors: 沈彦; 杜林峰; 王月玲; 王玉娟; 刘圣贤; 刘丽娟; 裴福云; 张玉琴; 王琴; 陈伟元; 吴胜春
Original assignee: Cecep Tiehan Ecological Environment Co ltd
Current assignee: Cecep Tiehan Ecological Environment Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-31
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to a water-saving greening structure for a retaining wall, which comprises the retaining wall, a drainage ditch extending along the retaining wall and a planting pool depending on the retaining wall, wherein the planting pool is positioned above the drainage ditch; the bottom of the planting pool is provided with a cover plate which is transversely arranged on the drainage ditch, the cover plate is provided with a through hole penetrating through the upper surface and the lower surface, a gravel layer is paved on the cover plate, geotextile is paved on the gravel layer, and planting soil is filled in the planting pool; the retaining wall is provided with a drain pipe, and the planting pond is positioned under the outlet of the drain pipe. The planting pond is used as a planting container, rainwater guided and drained in the drainage pipe can be intercepted for the growth of flowers and trees, and the rainwater can seep into the drainage ditch through the cover plate of the planting pond when the rainwater is excessive; so both avoided the rainwater crossing current of barricade drain pipe drainage, can retrieve the rainwater again and recycle, can also enrich the natural physiognomy of barricade through planting flowers and trees.

Description

Water-saving greening structure for retaining wall

Technical Field

The application belongs to the technical field of afforestation structure, a barricade is with water conservation afforestation structure is related to.

Background

The retaining wall is a structure for supporting a roadbed fill or a hillside soil body and preventing the fill or the soil body from being deformed and unstable, and is visible anywhere along with construction and excavation in places with height differences such as roadsides and engineering project sites. Especially, with the idea of ecological city, the aesthetic property and green ecological property of the wall surface of the slope protection retaining wall are considered besides the important engineering stability of the traditional slope protection retaining wall.

The water and soil loss condition of China is serious, and the fresh water resources of many cities are insufficient. When raining, rainwater is drained through the retaining wall drain pipe, or the rainwater is converged into a rainwater and sewage system to increase sewage treatment capacity, or surface runoff is formed to further aggravate water and soil loss, so that resource waste and environment release are realized.

SUMMERY OF THE UTILITY MODEL

The application aims at providing a barricade is with water conservation afforestation structure, can hold back the rainwater and be used for the flowers and trees to grow, reaches the rainwater and retrieves and recycle, can enrich the natural physiognomy of barricade, can improve the environment again.

The present application is achieved by the following technical means.

The technical scheme of the application is that the water-saving greening structure for the retaining wall comprises the retaining wall, a drainage ditch extending along the retaining wall and a planting pool depending on the retaining wall, wherein the planting pool is positioned above the drainage ditch;

a cover plate is arranged at the bottom of the planting pool, the cover plate is transversely arranged on the drainage ditch, the cover plate is provided with a through hole penetrating through the upper surface and the lower surface, a gravel layer is paved on the cover plate, geotextile is paved on the gravel layer, and planting soil is filled in the planting pool;

the barricade is equipped with the drain pipe, plant the pond and be located under the export of drain pipe.

According to the technical scheme, the planting pond is used as a planting container, rainwater guided and drained in the drainage pipe can be intercepted for flower and tree growth, and the rainwater can seep into the drainage ditch through the cover plate of the planting pond when the rainwater is excessive; so both avoided the rainwater crossing current of barricade drain pipe drainage, can retrieve the rainwater again and recycle, can also enrich the natural physiognomy of barricade through planting flowers and trees.

As the implementation mode of the technical scheme, the cover plate is a reinforced concrete cover plate.

As an implementation mode of the technical scheme, the through holes of the cover plate are circular holes, and the diameter of each through hole is smaller than the particle size of the gravel particles in the gravel layer; or,

the through holes of the cover plate are strip-shaped holes, and the width of each strip-shaped hole is smaller than the particle size of the broken stone particles in the broken stone layer.

As the implementation mode of the technical scheme, the planting pond comprises a side wall, two ends of the side wall are depended on the retaining wall, and the side wall is one or more of masonry, brick masonry and concrete casting.

As an implementation mode of the technical scheme, the cross section of the side wall of the planting pond along the horizontal direction is in a circular arc shape or a polygonal shape.

As an embodiment of the above technical solution, the drainage ditch is located below the planting pond and above a toe of the retaining wall.

As an implementation mode of the above technical solution, the planting ponds are multiple, and the multiple planting ponds are arranged at intervals.

As an implementation mode of the technical scheme, the cover plate is transversely arranged on the drainage ditch and protrudes out of the upper plane of the drainage ditch; or,

the left side wall and the right side wall of the drainage ditch are provided with grooves, the heights of the grooves are the same as the thickness of the cover plate, so that the cover plate cross frame is arranged behind the grooves in the two side walls, and the upper surface of the cover plate is flush with the ground surface.

As the implementation mode of the technical scheme, the side wall of the drainage ditch is one or a combination of more than one of a stone masonry, a brick masonry and a concrete casting, and the bottom of the drainage ditch is sequentially provided with a soil compacting layer, a broken stone cushion layer, a medium coarse sand layer and a water permeable brick from bottom to top.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the application.

Fig. 1 is a schematic sectional view of a water-saving greening structure for retaining walls according to an embodiment of the present application.

Fig. 2 is a schematic front view of the water-saving greening structure for retaining walls in the embodiment of the present application.

Description of reference numerals:

10-retaining wall; 11-a drain pipe; 12-wall toe;

20-planting the pond; 21-cover plate; 211-a through hole; 22-a rubble layer; 23-geotextile; 24-a side wall; 25-backfilling soil holes;

30-a drainage ditch; 31-slotting; 32-rammed plain soil layer; 33-a gravel cushion; 34-medium coarse sand layer; 35-water permeable brick.

Detailed Description

Technical solutions in some embodiments of the present application will be clearly and completely described below with reference to the drawings in some embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present embodiment is a water-saving greening structure for retaining walls, comprising a retaining wall 10, a gutter 30 extending along the retaining wall 10, and a planting pond 20 depending on the retaining wall 10, the retaining wall 10 being provided with a drain pipe 11, the planting pond 20 being disposed just below an outlet of the drain pipe 11 of the retaining wall 10 so as to guide rainwater drained by the drain pipe 11, the gutter 30 being excavated to extend along the retaining wall 10, the gutter 30 being above a toe 12 below the planting pond 20.

The bottom of the planting pool 20 is provided with a cover plate 21, the inner diameter of the cover plate 21 is larger than the width of the drainage ditch 30 and smaller than the inner diameter of the bottom of the planting pool 20, the cover plate 21 is arranged on the drainage ditch 30 and mainly plays a role in mechanically supporting upper objects in the planting pool 20, a gravel layer 22 is laid on the cover plate 21, a geotextile 23 is laid on the gravel layer 22, the geotextile 23 mainly plays a role in filtering downward-seeping rainwater, a backfill soil hole 25 is formed in the geotextile 23 and can be filled with planting soil or other compound planting matrixes, and the planting soil or the planting matrixes are used for planting flowers and trees.

The cover plate 21 is a reinforced concrete cover plate 21, and the reinforced concrete cover plate 21 is a concrete prefabricated member provided with through holes 211 penetrating through the upper and lower surfaces thereof, so that the through holes 211 can allow rainwater seeping downwards to flow into the drainage ditch 30. The cover plate 21 has various dimensions, and the through holes 211 can have different shapes, for example, the cover plate 21 has dimensions of 400mm × 400mm × 60mm, and a plurality of through holes 211 with a diameter of 10mm are provided.

The through-holes 211 of the cover plate 21 are illustratively circular holes, and the diameter of the through-holes 211 is smaller than the particle size of the crushed stone particles in the crushed stone layer 22 in order to prevent the crushed stone particles of the crushed stone layer 22 from falling into the drainage ditch 30 through the through-holes 211. Alternatively, the through holes 211 of the cover plate 21 may be bar-shaped holes having a width smaller than the particle size of the crushed stone particles in the crushed stone layer 22 in order to prevent the crushed stone particles of the crushed stone layer 22 from falling into the drainage ditch 30 through the through holes 211.

The planting pond 20 comprises a side wall 24, two ends of which are depended on the retaining wall 10, wherein the side wall 24, the retaining wall 10 and the cover plate 21 together enclose a backfill soil cave 25 of the planting pond 20, and the side wall 24 is one or more of masonry, brick masonry and concrete casting.

The lateral wall 24 of the planting pond 20 is circular arc or polygon along the horizontal cross section, and there may be a plurality of planting ponds 20, and a plurality of planting ponds 20 are arranged at intervals. Illustratively, the side wall 24 is made of brick masonry, the side wall 24 is semicircular, the semicircular radius of the side wall is 800mm, the thickness of the side wall is 60mm,

the left and right side walls of the drainage ditch 30 are provided with slots 31, the height of the slot 31 is the same as the thickness of the cover plate 21, so that the cover plate 21 is transversely erected behind the slots 31 of the two side walls, and the upper surface of the cover plate 21 is flush with the ground surface. In other embodiments, the cover plate 21 may be a cross frame on the drain 30 and protrude from the upper surface of the drain 30.

The side wall of the drainage ditch 30 is one or a combination of more than one of masonry, brick masonry and concrete, and the bottom of the drainage ditch is sequentially provided with a rammed earth layer 32, a broken stone cushion layer 33, a medium-coarse sand layer 34 and a permeable brick 35 from bottom to top.

Illustratively, the side wall of the drainage ditch 30 is made of brick masonry, the bottom of the drainage ditch is firstly tamped with plain soil, then a layer of 10-20mm broken stone is laid on the side wall, then a layer of medium-coarse sand 34 with the thickness of 2cm is laid on the side wall, a permeable brick 35 is laid on the surface layer, and a gap of about 2mm is reserved between the bricks. The width of the outer aperture of the drainage ditch 30 is 400mm, the inner aperture is 300mm, the depth is 350mm, and a slot 31 with the width of 50mm and the depth of 60mm is vertically opened outwards along the side wall openings at two sides.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A water-saving greening structure for a retaining wall is characterized by comprising the retaining wall, a drainage ditch extending along the retaining wall and a planting pond depending on the retaining wall, wherein the planting pond is positioned above the drainage ditch;

the bottom of the planting pool is provided with a cover plate, the cover plate is transversely erected on the drainage ditch, the cover plate is provided with a through hole penetrating through the upper surface and the lower surface, a gravel layer is paved on the cover plate, geotechnical cloth is paved on the gravel layer, and planting soil is filled in the planting pool;

the barricade is equipped with the drain pipe, the planting pond is located under the export of drain pipe.

2. The water-saving greening structure for retaining walls as defined in claim 1, wherein said cover plate is a reinforced concrete cover plate.

3. The water-saving greening structure for retaining walls as recited in claim 1, wherein said through holes of said cover plate are circular holes, and the diameter of said through holes is smaller than the particle size of the crushed stone particles in said crushed stone layer; or,

4. The water-saving greening structure for retaining walls as claimed in claim 1, wherein said planting pond comprises side walls both ends of which depend on said retaining wall, said side walls being one or more of masonry, brick masonry and concrete casting.

5. The water-saving greening structure for retaining walls as recited in claim 4, wherein the cross-sectional shape of the sidewall of said planting pond along the horizontal direction is circular arc or polygonal.

6. The water-saving greening structure for retaining walls as claimed in claim 1, wherein the drainage ditch is located below the planting pond and above the toe of the retaining wall.

7. The water-saving greening structure for retaining walls as claimed in claim 1, wherein said planting ponds are plural and are arranged at intervals.

8. The water saving greening structure for retaining walls as claimed in claim 1, wherein said cover plate is spanned over the drainage ditch and protrudes over the upper plane of the drainage ditch.

9. The water-saving greening structure for retaining walls as claimed in claim 1, wherein the left and right side walls of the drainage ditch are provided with slots, the height of the slots is the same as the thickness of the cover plate, so that the cover plate cross frame is flush with the ground surface after the slots of the two side walls.

10. The water-saving greening structure for retaining walls according to claim 1, wherein the side walls of the drainage ditch are one or more of masonry, brick masonry and concrete casting, and the bottom of the drainage ditch is sequentially provided with a rammed earth layer, a gravel cushion layer, a medium coarse sand layer and permeable bricks from bottom to top.