CN215888185U

CN215888185U - Sand land highway cutting afforestation protection system

Info

Publication number: CN215888185U
Application number: CN202122303364.5U
Authority: CN
Inventors: 李天胜; 徐佳; 翟建国; 张东星; 刘国涛; 周建勇; 何定高
Original assignee: Third Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-22
Anticipated expiration: 2031-09-23

Abstract

The utility model provides a sand road cutting greening protection system, which belongs to the technical field of cutting protection and comprises cutting, wherein side ditches are arranged on two sides of the cutting along the length direction, slope protection inclining outwards is arranged on the outer sides of the side ditches, a cut-off ditch is arranged on the top surface of the slope protection along the length direction of the cutting, grass grids paved by wheat straws are arranged on two sides of the cut-off ditch, and drought-resistant plant seeds and a water storage container are buried at the right angle of each grass grid. According to the sand road cutting greening protection system, vegetation is planted between the grass grids and the two groups of frameworks arranged on the two sides of the intercepting ditch, effective sand fixation is achieved, the moving damage effect of sand bodies nearby a road under the action of wind power is reduced, landslide or mud-rock flow caused by rainstorm due to strong sand body fluidity is effectively prevented, drought-resistant plant seeds and water storage containers are buried in the right-angled positions of the grass grids, the survival rate of drought-resistant plants can be improved, and the road ecology is improved.

Description

Sand land highway cutting afforestation protection system

Technical Field

The utility model belongs to the technical field of cutting protection, and particularly discloses a sand road cutting greening protection system.

Background

The aggravation of land desertification has natural reasons such as global climate change, natural disaster increase and the like, but is caused by unreasonable human activities to a great extent, and the sand prevention and control work is in the present generation and is in the fall. The sand prevention and control play an important role in maintaining ecological safety and promoting the sustainable development of economy and society.

The construction of cutting in sand not only needs to guarantee the stable roadbed structure, but also needs to consider cutting afforestation, improves the highway ecology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sand road cutting greening protection system which can effectively green sand road cuts and improve the road ecology.

In order to achieve the purpose, the utility model provides a sand road cutting greening protection system which comprises cutting, wherein side ditches are arranged on two sides of the cutting along the length direction, slope protection inclining outwards is arranged on the outer sides of the side ditches, a water intercepting ditch is arranged on the top surface of the slope protection along the length direction of the cutting, grass grids paved by wheat straws are arranged on two sides of the water intercepting ditch, and drought-resistant plant seeds and a water storage container are buried in the right angle of each grass grid.

Furthermore, the depth of the wheat straws embedded in the sandy soil is not less than 20cm, and the height of the exposed ground surface is not more than one half of the embedding depth.

Further, be provided with the multiunit step on the bank protection, the step extends to the bank protection top by the bank protection bottom, and multiunit step is along cutting length direction equidistant setting.

Furthermore, a plurality of groups of main frameworks are arranged between two adjacent groups of steps, and the main frameworks are of a rectangular concrete structure parallel to the steps; be provided with the braced frame between adjacent two sets of main frameworks, the braced frame is arc concrete structure, and multiunit braced frame extends to bank protection top and equidistant setting by the bank protection bottom.

Furthermore, vegetation is planted between the two adjacent groups of the supporting frameworks.

The utility model has the following beneficial effects:

according to the sand road cutting greening protection system, vegetation is planted between the grass grids and the two groups of frameworks arranged on the two sides of the intercepting ditch, effective sand fixation is achieved, the moving damage effect of sand bodies nearby a road under the action of wind power is reduced, landslide or mud-rock flow caused by rainstorm due to strong sand body fluidity is effectively prevented, drought-resistant plant seeds and water storage containers are buried in the right-angled positions of the grass grids, the survival rate of drought-resistant plants can be improved, and the road ecology is improved.

Drawings

FIG. 1 is a schematic structural view of a sand road cutting greening protection system;

FIG. 2 is a schematic view of a grass grid;

fig. 3 is a schematic view of a revetment.

In the figure: cutting 1; a side ditch 2; slope protection 3; a catch basin 4; grass square 5; a step 6; a main framework 7; a supporting framework 8.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.

This embodiment provides a sand ground highway cutting afforestation protection system, including cutting 1, cutting 1's both sides are provided with gutter 2 along length direction, and the outside of gutter 2 is provided with the bank protection 3 that leans out, and the top surface of bank protection 3 is provided with cut ditch 4 along cutting 1 length direction, and the both sides of cut ditch 4 are provided with lays the grass square 5 that forms by the wheat straw, and the right angle department of every grass square 5 has buried drought resisting plant seed and water storage container underground.

Further, be provided with multiunit step 6 on the bank protection 3, step 6 extends to the bank protection top by the bank protection bottom, and multiunit step 6 is along 1 length direction of cutting equidistant setting.

Furthermore, a plurality of groups of main frameworks 7 are arranged between two adjacent groups of steps 6, and the main frameworks 7 are of rectangular concrete structures parallel to the steps 6; be provided with braced frame 8 between adjacent two sets of main frameworks 7, braced frame 8 is arc concrete structure, and multiunit braced frame 8 extends to bank protection top and equidistant setting by the bank protection bottom.

Furthermore, vegetation is planted between the two adjacent groups of the supporting frameworks 8.

The sand road cutting greening protection system is constructed as follows:

before the cutting 1 is excavated, cutting ditches 4 are excavated on two sides, the cutting 1 is excavated in layers, a slope protection 3 is built while the cutting is excavated, a step 6 is arranged on each hundred meters of the slope protection 3, side ditches 2 are excavated on two sides of the bottom of the cutting 1, and grass squares 5 are laid on two sides of each cutting ditch 4;

s1, cutting excavation: measuring a lofting construction red line and a side slope excavation line, driving a timber pile every 15m, marking mileage element data by using a paint pen, excavating a water interception ditch 4 which is 0.6 multiplied by 0.6cm and 0.2m thick from 5m outside the construction red line, pouring C25 concrete, mechanically excavating a construction channel, excavating along the longitudinal layer of the line, and constructing 1 while excavating: 1.2, when the depth of the cutting 1 is not more than 3m, a single-layer transverse full-width excavation method is adopted for one-time excavation molding, when the depth of the cutting is more than 3m, a multilayer transverse full-width excavation method is adopted for construction, the thickness of each layer is controlled within 3m, the working efficiency of an excavator can be ensured, collapse damage caused by too deep excavation can be avoided, construction is stopped when the excavation is carried out to a position 30cm away from the slope protection 3, manual excavation is adopted, and the lower body soil layer is prevented from being disturbed by machinery;

s2, slope protection construction: according to the position of a mileage lofting main framework 7, measuring and determining the position of a supporting framework 8 and marking the position with lime marking, manually excavating the main framework 7 with the width of 0.6m, installing pouring concrete on a formwork, arranging one step 6 per hundred meters, continuously excavating and repeating the steps to perform slope protection construction until the bottom of a cutting 1, and covering geotextile for sprinkling and maintaining in time;

s3, construction of square grids: wheat straws are manually pressed into two sides of the intercepting ditch 4, the depth of the wheat straws embedded into sandy soil is not less than 20cm, the height of the exposed ground surface is not more than one half of the embedding depth, the wheat straws are arranged in a square shape, when construction is carried out at each intersection point, drought-resistant plant seeds and a water storage container are embedded in advance, and then the wheat straws are pressed into the wheat straws.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a sand ground highway cutting afforestation protection system, includes the cutting, its characterized in that, the both sides of cutting are provided with the gutter along length direction, and the outside of gutter is provided with the bank protection that leans out, and the top surface of bank protection is provided with the cut ditch along cutting length direction, and the both sides of cut ditch are provided with the grass square that is laid by the wheat straw and forms, and the right angle department of every grass square has buried drought resisting plant seed and retaining container underground.

2. The sand road cutting greening protection system as claimed in claim 1, wherein the wheat straw is buried in the sand to a depth of not less than 20cm and exposed to the ground to a height of not more than one half of the buried depth.

3. The sand road cutting greening protection system of claim 1, wherein a plurality of sets of steps are arranged on the revetment, the steps extend from the bottom of the revetment to the top of the revetment, and the plurality of sets of steps are arranged at equal intervals along the length direction of the cutting.

4. The sand road cutting greening and protecting system as claimed in claim 3, wherein a plurality of groups of main frameworks are arranged between two adjacent groups of steps, and the main frameworks are rectangular concrete structures parallel to the steps;

be provided with the braced frame between adjacent two sets of main frameworks, the braced frame is arc concrete structure, and multiunit braced frame extends to bank protection top and equidistant setting by the bank protection bottom.

5. The sand road cutting greening protection system as claimed in claim 4, wherein vegetation is planted between two adjacent sets of supporting frames.