CN217998110U

CN217998110U - Greening structure for slope water and soil conservation

Info

Publication number: CN217998110U
Application number: CN202221877698.1U
Authority: CN
Inventors: 魏琴; 梅雪; 张亭; 冯松
Original assignee: Chongqing Yufa Water Conservancy Research Institute Co ltd
Current assignee: Chongqing Yufa Water Conservancy Research Institute Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-09
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to the technical field of water and soil conservation, in particular to a greening structure for water and soil conservation of a side slope, which solves the problems of low stability and easy water and soil loss caused by flowing water scouring of the surface of the existing side slope by arranging a water and soil conservation structure and a drainage structure in a two-dimensional and simultaneous manner; the water collecting device comprises a side slope body, wherein a water collecting ditch is arranged at the middle section of the side slope body; a filtering structure is arranged inside the water collecting ditch; a drainage ditch is arranged at the toe of the side slope body; the bottom of the water collecting ditch is communicated with drain pipes in an array manner, and the other ends of the drain pipes are communicated with the drainage ditch; on the slope surface of the side slope body, from the top of the slope to the foot of the slope, retaining frames are arranged in an array manner; a plurality of groups of greening frames and protection plates fixed with the side walls of the greening frames are arranged in the holding frames; root plants are planted in the greening frames; and part of the holding frames are communicated with the drainage ditch.

Description

Greening structure for slope water and soil conservation

Technical Field

The utility model relates to a soil and water conservation technical field specifically is a greening structure for side slope soil and water conservation.

Background

Soil and water conservation refers to the prevention and treatment measures for soil and water loss caused by natural factors and artificial activities. With the accelerated progress of cities in China, such as roads, civil buildings, hydraulic engineering and the like, erosion and other water and soil loss such as erosion and the like are easily caused by rainfall runoff scouring and the like, the stability and normal operation of the buildings with engineering are seriously influenced, and the influence on the surrounding ecological environment is also generated. Therefore, the side slopes need to be nursed through greening on the slopes on two sides of the channels, mountains and the like formed by artificial construction projects, and the stability of the slopes is guaranteed.

Because the existing greening structure for retaining water and soil of the side slope is generally to install hollow bricks on the side slope to prevent water and soil loss, the shrubs planted in the hollow bricks are self-fixed by utilizing a shrub growing and rooting mode, the mode has low stability, and if the rainwater is large and the shrubs planted are not firmly rooted, the shrubs and the hollow bricks are easily washed down by the rainwater, so that the improvement is needed;

in addition, another reason for causing the soil erosion of the slope surface of the side slope is that the drainage pressure of the surface of the side slope is high, the general side slope depends on the slope surface to drain water automatically, and an effective drainage structure is not arranged aiming at the water coming from the top of the slope, so that the retention time of the accumulated water on the slope surface of the side slope is longer, the water content of the tamped slope surface is gradually increased, and finally the soil of the slope surface is lost along with the water flow, thereby causing the deformation of the side slope.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a afforestation structure for side slope soil and water conservation through setting up soil and water conservation structure and drainage structures, has solved in two aspects and has gone forward and backward the stability that current side slope surface caused because of flowing water washes is not high, causes soil erosion and water loss's problem easily.

In order to achieve the above purpose, the utility model provides a following technical scheme: the greening structure for water and soil conservation of the side slope comprises a side slope body, wherein a water collecting ditch is arranged at the middle section of the side slope body; a filtering structure is arranged in the water collecting ditch; a drainage ditch is arranged at the toe of the side slope body; the bottom of the water collecting ditch is communicated with drain pipes in an array manner, and the other ends of the drain pipes are communicated with the drainage ditch;

on the slope surface of the side slope body, from the top of the slope to the foot of the slope, retaining frames are arranged in an array manner; a plurality of groups of greening frames and protection plates fixed with the side walls of the greening frames are arranged in the holding frames; root plants are planted in the greening frame; and part of the holding frames are communicated with the drainage ditch.

In order to quickly discharge water from the top of the slope, the utility model is preferably provided with a filtering structure, the filtering structure comprises a greening planting layer, a wood chip layer, a gravel layer and a screen plate which are sequentially arranged from top to bottom, wherein the purpose of the greening planting layer is to green the side slope and absorb moisture when the amount of the water is not large, so that the plant can grow with two birds with one stone; the sawdust layer is used for quickly permeating water which cannot be completely absorbed by the greening planting layer, the gravel layer is used for quickly draining water, and the greening planting layer and the sawdust layer are supported below the gravel layer; the net plate plays a role in integral support and can enable water to flow into the drainage pipe quickly.

In order to increase the stability of keep frame, the utility model discloses it is preferred, a plurality of inserted bars that extend to in the side slope body slope earth of bottom end face fixed connection of keep frame.

In order to increase the steadiness of side slope body top of slope position, prevent that top of slope soil from losing to domatic, the utility model discloses it is preferred the top of slope of side slope body is provided with the platform structure.

In order to prevent that the retaining frame from sliding, the utility model discloses it is preferred, be provided with the baffle between escape canal and side slope, the baffle offsets with the retaining frame.

In order to prevent that the water is great, the retaining frame of catch basin below is flooded and is leaded to the domatic ponding of side slope, the utility model discloses preferred, the lateral wall of baffle runs through the water service pipe that is provided with a plurality of evenly distributed.

In order to reach the purpose of quick drainage, the utility model discloses it is preferred, the escape canal is unilateral escape canal or bilateral escape canal.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a planting green planting on the planting technique layer in afforestation frame and the catch basin, in green planting in the in-process of growing, can cooperate the retaining frame to stabilize the earth of side slope body, when faced rainfall and the top of a slope water, a plurality of guard plates can play the effect of carrying out hierarchical barrier to the soil on some side slope bodies, rainfall or top of a slope water can flow into the catch basin simultaneously, the unnecessary water of direction under the catch basin can flow into the escape canal through the drain pipe, avoid the rainwater to erode the earth of side slope body below the slope body, the catch basin divides the drainage of side slope into upper and lower two-stage; the upper drainage is borne by the water collecting ditch, and the lower drainage is borne by the drainage ditch, so that the retention time of accumulated water on the surface of the side slope is reduced to a great extent, the accumulated water at the slope toe can be reduced, and the slope surface water and soil loss and the slope toe structure slippage are prevented;

meanwhile, the plurality of baffles are matched to block lost soil (only a small amount of lost soil is blocked by the protection plates in a grading way), so that the backfilling is facilitated for constructors during renovation; the accumulated water can flow into the drainage ditch through the water service pipe, so that the water and soil loss accumulated at the toe of the slope is separated, and the effect of stable protection is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the retaining frame of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a side slope body; 101. a holding frame; 102. a platform structure; 201. a greening frame; 202. a protection plate; 203. inserting a rod; 3. a water collecting ditch; 301. a greening planting layer; 302. a wood chip layer; 303. a crushed stone layer; 304. a screen plate; 4. a drainage ditch; 401. a baffle plate; 402. a water pipe; 5. and a drain pipe.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to 3:

the greening structure for retaining water and soil of the side slope comprises a side slope body 1, wherein a water collecting ditch 3 is transversely dug in the middle section of the side slope body 1; a filtering structure is arranged inside the water collecting ditch 3; a drainage ditch 4 is arranged at the toe of the side slope body 1; the water collecting ditch 3 is communicated with a drain pipe 5 in an array manner at the bottom of the ditch, and the other end of the drain pipe 5 is communicated with a drain ditch 4; the water collecting ditch 3 divides the drainage of the slope body 1 into an upper stage and a lower stage; the superior drainage is undertaken by the water collecting ditch 3, the inferior drainage is undertaken by the drainage ditch 4, the retention time of accumulated water on the surface of the side slope body 1 is greatly reduced, the accumulated water at the slope toe can be reduced, and the slope soil erosion and the slope toe structure slippage are prevented;

on the slope surface of the side slope body 1, from the top of the slope to the toe of the slope, retaining frames 101 are arranged in an array manner; a plurality of groups of greening frames 201 and protection plates 202 fixed to the side walls of the greening frames 201 are uniformly arranged inside the retaining frame 101 (in the direction from the top of the slope to the bottom of the slope), it should be noted here that the retaining frame 101 is of a rectangular hollow frame structure, the greening frames 201 and the protection plates 202 are both fixed inside the inner wall of the retaining frame 101, the longitudinal section of each protection plate 202 is of a right-angled triangle structure, the inclined plane end of each protection plate faces the bottom of the slope, the upright plane faces the top of the slope, the upright plane is used for blocking mud and gravels impacted by water flow, and the inclined plane end is used for supporting the upright plane; root plants are planted in the greening frame 201; part of the retaining frames 101 are communicated with the drainage ditch 4 (particularly the retaining frames 101 which are positioned in the slope direction of the extension slope body 1 and below the water collecting ditch 3), in order to enable the planted root plants to exert a better soil fixing effect, a plurality of planting holes are formed in the greening frame 201, the root plants are planted in the planting holes, and then the roots of the plants can be more inserted into the slope, so that the effect of stabilizing the soil is realized;

to facilitate understanding, the following description discloses a setting mode, at first when digging the wall as, dig out drain pipe 5 channel in advance (drain pipe 5 can not set up too deeply, generally 3-5m, prevent pipeline pressurized cracking, in this embodiment drain pipe 5 uses PVC-U to punch the desalinization pipe, the nonstandard ABS hexagonal (or pentagon) sleeve pipe of overcoat is used for the resistance to compression), the drain pipe 5 of channel arranges to adopt pre-buried formula, then adopt the mode of backfilling to fill out on the pipe domatic, use the rammer to tamp at last, and catch basin 3 adopts to use the mould to pour the concrete shaping after the excavation.

The filtering structure comprises a greening planting layer 301, a sawdust layer 302, a crushed stone layer 303 and a screen plate 304 which are sequentially arranged from top to bottom, wherein the purpose of the greening planting layer 301 is to greening the side slope body 1 and absorb moisture when the amount of incoming water is not large, so that the plants can grow for two purposes; the sawdust layer 302 is used for quickly infiltrating water which cannot be completely absorbed by the greening planting layer 301, the gravel layer 303 is used for quickly draining water, and the greening planting layer 301 and the sawdust layer 302 are supported below; the net plate 304 plays an integral supporting role and can enable water to flow into the drain pipe 5 quickly; for the planting layer 301, the preferable embodiment is to use the soil bag containing plant seeds, the soil bag is not over-flowing soil, and can effectively prevent soil from flowing downwards, and compared with planting green plants in the floating soil, the soil bag is of a bag structure, so that the soil loss can not be generated secondarily.

The bottom end surface of the holding frame 101 is fixedly connected with a plurality of inserted rods 203 extending to the interior of the slope body 1, the inserted rods 203 are used for fixing the holding frame 101 on the slope surface, and the inserting depth of the inserted rods 203 is 0.5-1m.

The top of the side slope body 1 is provided with a platform structure 102, and the platform structure 102 mainly aims to prevent water and soil loss of the top of the side slope and stabilize the top of the side slope.

Be provided with baffle 401 between escape canal 4 and the side slope body 1, baffle 401 offsets with retaining frame 101, and baffle 401's effect mainly has two, and one is preventing that the rubble from rolling down, causes dangerous event or blocks up escape canal 4, and its two is kept out retaining frame 101, prevents that retaining frame 101 from slipping downwards.

The outer side wall of the baffle 401 penetrates through the water service pipes 402 which are uniformly distributed, the retaining frame 101 is communicated with the drainage ditch 4 through the water service pipes 402, and accumulated water can flow into the drainage ditch 4 through the water service pipes 402, so that water and soil loss accumulated at the toe of the slope is separated, and a stable protection effect is achieved.

Escape canal 4 is unilateral escape canal 4 or bilateral escape canal 4, and the drainage can be accelerated to the escape canal 4 of taking the slope, and common unilateral escape canal 4 is chooseed for use to escape canal 4 in this embodiment.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The greening structure for retaining water and soil on the side slope comprises a side slope body and is characterized in that a water collecting ditch is arranged at the middle section of the side slope body; a filtering structure is arranged in the water collecting ditch; a drainage ditch is arranged at the toe of the side slope body; the bottom of the water collecting ditch is communicated with drain pipes in an array manner, and the other ends of the drain pipes are communicated with the drainage ditch;

2. The greening structure for slope soil and water conservation of claim 1, wherein the filtering structure comprises a greening planting layer, a wood chip layer, a gravel layer and a mesh plate which are arranged in sequence from top to bottom.

3. A greening structure for slope soil and water conservation as claimed in claim 2, wherein the bottom end face of the retaining frame is fixedly connected with a plurality of insertion rods extending to the interior of the slope body.

4. A green structure for slope soil and water conservation as claimed in claim 1, wherein the top of the slope body is provided with a platform structure.

5. A greening structure for slope soil and water conservation as claimed in claim 1, wherein a baffle is provided between the drainage ditch and the slope body, and the baffle is against the retaining frame.

6. A greening structure for slope soil and water conservation according to claim 5, wherein a plurality of water pipes are uniformly distributed on the outer side wall of said retaining plate, and said retaining frame is communicated with said drainage ditch through said water pipes.

7. A greening structure for slope soil and water conservation as claimed in claim 1, wherein said drainage ditch is a single-sided or double-sided drainage ditch.