CN219410926U

CN219410926U - Highway slope protection structure in plateau frozen soil area

Info

Publication number: CN219410926U
Application number: CN202320976271.5U
Authority: CN
Inventors: 王锦贤; 杜咏峥
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-07-25
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a highway slope protection structure in a plateau frozen soil area, which comprises a foundation and a slope, wherein the foundation comprises a foundation layer, a heat preservation layer, a ventilation layer and a protection layer; the foundation layer is made of clay; the heat preservation layer is fixedly paved on the upper side of the foundation layer; the ventilation layer is fixedly paved above the heat preservation layer; the protective layer is fixedly paved above the ventilation layer; the side slope consists of a first foundation layer, a filling layer and a first protective layer; the first foundation layer is fixedly paved above the protective layer, the first foundation layer is internally fixedly connected with reinforcing steel bars, and the first foundation layer is vertically paved; the filling layer is fixedly laid above the protective layer and is positioned on the left side of the basic layer; the first protective layer is fixedly paved on the left inclined plane of the filling layer; through the construction between ground and the side slope, lay it on highway both sides, realize planting the vegetation on the side slope promptly, reduce the soil erosion and water loss of side slope, can also protect by the road ground, reduce the rainwater and permeate to the highway stratum from highway both sides.

Description

Highway slope protection structure in plateau frozen soil area

Technical Field

The utility model relates to the technical field of highway slope protection, in particular to a highway slope protection structure in a plateau frozen soil area.

Background

Frozen soil refers to various rocks and soils containing ice at a temperature below zero degrees celsius. Generally, the method can be divided into short-time frozen soil, seasonal frozen soil and permafrost soil; frozen soil is a soil medium which is extremely sensitive to temperature and contains abundant underground ice. Thus, frozen soil has rheological properties, the long-term strength of which is far lower than that of the transient strength characteristics, and because of these characteristics, two major risks are faced in building engineering structures in frozen soil areas: frost heaving and thawing.

When constructing the highway in the plateau frozen soil area, often focus on the protection to frozen soil layer, can neglect the maintenance of highway side slope sometimes, lead to piling up a large amount of rubbles on the highway side slope, influence vegetation, still can aggravate the soil and water loss of highway side slope, in overcast and rainy weather, the condition of infiltration can appear in the highway foundation, can lead to the damage of laying the frozen soil layer protective structure under the highway for a long time to lead to the unable normal use of highway. Therefore, the application provides a highway slope protection structure for protecting the highway slope, ensuring the normal growth of plants, reducing water and soil loss and further protecting the highway foundation in the plateau frozen soil area.

Disclosure of Invention

According to the highway slope protection structure in the plateau frozen soil area, through construction between the foundation and the slope, the highway slope protection structure is paved on two sides of a highway, namely vegetation is planted on the slope, water and soil loss of the slope is reduced, the highway foundation can be protected, and rainwater is reduced from two sides of the highway to the stratum of the highway.

The embodiment of the application provides a highway slope protection structure in a plateau frozen soil area, which comprises a foundation and a slope,

the foundation is used for constructing a foundation of a highway side slope; the side slope is fixedly constructed on the foundation;

the foundation comprises a foundation layer, a heat preservation layer, a ventilation layer and a protective layer;

the foundation layer is made of clay, and is paved at two sides of a highway; the heat preservation layer is fixedly paved on the upper side of the foundation layer; the ventilation layer is fixedly paved above the heat preservation layer; the protective layer is fixedly paved above the ventilation layer;

the side slope consists of a first foundation layer, a filling layer and a first protective layer;

the first foundation layer is fixedly paved above the protective layer, the first foundation layer is internally fixedly connected with reinforcing steel bars, and the first foundation layer is vertically paved; the filling layer is fixedly laid above the protective layer and is positioned on the left side of the basic layer; and the first protective layer is fixedly paved on the left inclined plane of the filling layer.

Further, the heat-insulating layer is made of polyethylene heat-insulating plates.

Further, the breathable layer is made of crushed stone.

And the protective layer, the foundation layer I and the protective layer I are all made of concrete.

And the filling layer is further made of clay.

Further the side slope is arranged in a trapezoid configuration; the filling layer is arranged into a triangle, the foundation layer is arranged into a rectangle, and the filling layer and the foundation layer are spliced into a trapezoid.

Further, a planting base is paved on the first protection layer, and the planting base is evenly paved on the first protection layer.

The planting base is further provided with a cylinder with a hollow interior and an opening at the upper end and the lower end, is fixedly inserted into the protective layer I and extends into the filling layer; soil is filled in the planting base.

The upper side of the planting base is fixedly sleeved with a conical sleeve; the bottom side of the conical sleeve is fixedly arranged in parallel with the first protective layer;

the conical sleeve and the planting base are arranged into an integrated structure and are formed by pouring cement.

Further, a waterproof layer is paved on the surfaces of the protective layer, the base layer I and the protective layer I; asphalt is selected as the waterproof layer.

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages: laying the foundation close to two sides of the highway, then laying a side slope above the foundation, and finally planting vegetation in the planting base; through the construction between ground and the side slope, lay it on highway both sides, realize planting the vegetation on the side slope promptly, reduce the soil erosion and water loss of side slope, can also protect by the road ground, reduce the rainwater and permeate to the highway stratum from highway both sides.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of the internal structure of the present application;

FIG. 3 is a left side view of the structure of the present application;

FIG. 4 is a schematic view of a planting base structure according to the present application;

fig. 5 is a schematic view of the internal structure of the planting base.

In the figure: 10 reinforcing steel bars, 20 side slopes, 21 foundation layer I, 22 filling layers, 23 protection layers I, 30 foundations, 31 protection layers, 32 ventilation layers, 33 heat preservation layers, 34 foundation layers, 40 planting bases and 41 conical sleeves.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-5, a highway slope protection structure for a plateau permafrost region includes a foundation 30 and a slope 20;

the foundation 30 is used for constructing a foundation of a highway side slope, and can protect a frozen soil layer in a stratum of the highway;

the side slope 20 is fixedly constructed on the foundation 30, and vegetation is planted on the side slope 20, so that water and soil loss on the side slope is reduced.

The foundation 30 comprises a foundation layer 34, a heat preservation layer 33, a ventilation layer 32 and a protective layer 31;

the foundation layer 34 is made of clay, and is paved on two sides of a highway and compacted;

the heat preservation layer 33 is fixedly paved on the upper side of the base layer 34, and a polyethylene heat preservation plate is selected for further protecting the frozen soil layer below the base layer 34, so that frost heaving and thawing and sinking of the frozen soil layer are avoided;

the ventilation layer 32 is fixedly paved above the heat preservation layer 33, and is paved by using gravels, so that ventilation is realized through gaps among the gravels;

the protective layer 31 is fixedly laid above the air-permeable layer 32, and is laid by concrete.

To further improve the protection effect of the protection layer 31, a layer of waterproof layer is paved on the surface of the protection layer 31; asphalt is selected as the waterproof layer.

The side slope 20 is arranged in a trapezoid structure, and vegetation is planted on the side slope; the side slope 20 is composed of a first foundation layer 21, a filling layer 22 and a first protective layer 23;

the first foundation layer 21 is fixedly paved above the protective layer 31, and the first foundation layer 21 is vertically paved, and concrete is selected to protect road edges at two sides of a highway, so that the scouring of rainwater to the road edges at two sides of the highway is reduced;

the filling layer 22 is fixedly paved above the protective layer 31 and is positioned on the left side of the first foundation layer 21, and soil is selected for realizing the planting of vegetation;

the first protective layer 23 is fixedly paved on the left inclined surface of the filling layer 22, and concrete is selected to protect the filling layer 22, so that water and soil loss of the filling layer 22 is avoided.

The filling layer 22 is arranged in a triangle, the base layer one 21 is arranged in a rectangle, and the two layers are spliced into a trapezoid.

In order to realize the planting of vegetation, a planting base 40 is paved on the first protection layer 23, and the planting base 40 is uniformly paved on the first protection layer 23;

the planting base 40 is provided as a cylinder with a hollow interior and open upper and lower ends, is fixedly inserted into the protective layer one 23 and extends into the filling layer 22;

soil is filled in the planting base 40, and vegetation is planted in the planting base 40.

The upper side of the planting base 40 is fixedly sleeved with a conical sleeve 41, and the conical sleeve 41 and the planting base 40 are arranged into an integrated structure and are formed by pouring cement;

the bottom side of the conical sleeve 41 is fixedly arranged parallel to the first protection layer 23, so that rainwater can slide down the conical sleeve 41 onto the first protection layer 23 and slide down the first protection layer 23, thereby preventing rainwater from accumulating on the planting base 40 or the first protection layer 23.

In order to further improve the protection effect of the first base layer 21 and the first protection layer 23, a waterproof layer is paved on the surfaces of the first base layer 21 and the first protection layer 23; asphalt is selected as the waterproof layer.

The reinforcing steel bar 10 is fixedly connected in the first foundation layer 21.

In actual operation of the embodiment of the application, the foundation 30 is laid closely to two sides of a highway, then a side 20 slope is laid above the foundation, and finally vegetation is planted in the planting base 40; by constructing the foundation 30 and the side slope 20, the soil and water loss of the side slope is reduced by paving the soil and water loss reducing ecological system on two sides of the highway, and the soil and water loss of the side slope is reduced.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a highway side slope protection structure in plateau frozen soil area, includes ground and side slope, its characterized in that:

2. The highway side slope protection structure of a plateau permafrost region as claimed in claim 1, wherein: the heat preservation layer is made of polyethylene heat preservation plates.

3. The highway side slope protection structure of a plateau permafrost region as claimed in claim 1, wherein: the breathable layer is made of crushed stone.

4. The highway side slope protection structure of a plateau permafrost region as claimed in claim 1, wherein: the protective layer, the foundation layer I and the protective layer I are all made of concrete.

5. The highway side slope protection structure of a plateau permafrost region as claimed in claim 1, wherein: the filling layer is made of clay.

6. The highway side slope protection structure of a plateau permafrost region as claimed in claim 1, wherein: the side slope is arranged in a trapezoid structure; the filling layer is arranged into a triangle, the foundation layer is arranged into a rectangle, and the filling layer and the foundation layer are spliced into a trapezoid.

7. The highway side slope protection structure of a plateau permafrost region as claimed in claim 1, wherein: and a planting base is paved on the first protection layer, and the planting base is uniformly paved on the first protection layer.

8. The highway side slope protection structure of a plateau permafrost region as claimed in claim 7, wherein: the planting base is arranged into a cylinder with a hollow interior and an opening at the upper end and the lower end, is fixedly inserted into the protective layer I and extends into the filling layer; soil is filled in the planting base.

9. The highway side slope protection structure of a plateau permafrost region as claimed in claim 7, wherein: the upper side of the planting base is fixedly sleeved with a conical sleeve; the bottom side of the conical sleeve is fixedly arranged in parallel with the first protective layer;

10. The highway side slope protection structure of a plateau permafrost region as claimed in claim 1, wherein: a waterproof layer is paved on the surfaces of the protective layer, the first foundation layer and the first protective layer; asphalt is selected as the waterproof layer.