CN215562700U - Expansive soil slope protection structure - Google Patents

Abstract

The utility model discloses an expansive soil side slope protection structure which comprises a side slope base body, wherein the side slope base body is composed of a plurality of base slope surfaces and a plurality of base platform bodies which are horizontally arranged, the base platform bodies are flush with the upper surfaces of the highest expansive soil layers on the base platform bodies which are adjacent below, slope surfaces formed by a plurality of limestone gravel layers which are alternately laid and a plurality of expansive soil layers are step slope surfaces, and a plurality of step intercepting structures are equidistantly arranged on the step slope surfaces. According to the expansive soil slope protection structure, the upper surface and the lower surface of the lime macadam soil layer are covered with the leakage-proof films for preventing the soil on the upper layer and the lower layer from permeating, so that the thickness between the layers is stable and the layers cannot loosen; be provided with a plurality of ladder interception structures on the domatic equidistance of ladder, utilize anti-skidding stake to install at lime rubble soil layer and inflation soil layer, prevent both outwards to spill over, form the protection to the soil layer and the vegetable layer of outer layer, be suitable for different working conditions, bring better use prospect.

Description

Expansive soil slope protection structure

Technical Field

The utility model relates to the technical field of expansive soil slope protection, in particular to an expansive soil slope protection structure.

Background

Along with the vigorous construction of national railways and highways, in places with complex terrain, side slopes are often required to be arranged to reduce the damage to traffic, expansive soil is common special soil in China, and the expansive soil can expand in volume when meeting water and contract when losing water, so that soil can be loosened in the process of rainfall for many times, and landslide is easy to generate; at present, the research on the expansion degree of expansive soil reduced by mixing lime and the expansive soil is already preliminarily mature, but in the using process, the expansive soil is easy to permeate broken stones, so that the upper layer and the lower layer are loosened, and the limestone layer and the expansive soil are easy to overflow outwards due to the fact that barriers are not arranged at the side edges of the limestone layer and the expansive soil, so that the limestone layer and the expansive soil form pressure on the outer soil layer, a series of outside bad movements are caused, certain adverse effects are brought in the using process, and therefore the expansive soil slope protection structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an expansive soil side slope protection structure which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an inflation soil side slope protective structure, includes the side slope base member, the side slope base member comprises the base member platform that a plurality of base members are domatic and a plurality of level set up, the upper surface on base member platform and the adjacent base member platform in below the highest inflation soil layer flushes mutually, and it is domatic for the ladder that a plurality of lime metalling of laying in turn and a plurality of inflation soil layer formed, the ladder is domatic equidistantly on being provided with a plurality of ladder interception structures, ladder interception structure includes a plurality of groups of anti-skidding stake and is used for connecting the even board of adjacent anti-skidding stake, anti-skidding stake group is in lime metalling and inflation soil layer avris, the one deck solid soil layer has been laid in the ladder interception structure outside, be provided with the planting layer on the solid soil layer.

Preferably, the thickness ratio of the lime macadam soil layer to the expansive soil layer is 3: 4, the upper and lower surfaces of the lime macadam soil layer are covered with leakage-proof films, and the leakage-proof films are made of nylon films.

Preferably, the plurality of groups of substrate platforms have equal widths, and the heights of two adjacent substrate platforms are equal.

Preferably, the antiskid pile is tightly attached to the sides of the limestone gravel layer and the expansion soil layer and is slightly higher than the thickness of the limestone gravel layer and the expansion soil layer.

Preferably, the thickness of the firm soil layer is between 15 and 30 cm.

Compared with the prior art, the utility model has the following beneficial effects: according to the expansive soil slope protection structure, the upper surface and the lower surface of a lime macadam soil layer are covered with the leakage-proof films for preventing the soil on the upper layer and the lower layer from permeating, so that the stable thickness between the layers is ensured and the layers cannot be loosened; the anti-slip piles are arranged on the lime macadam soil layer and the expansion soil layer at equal intervals, the anti-slip piles are arranged on the lime macadam soil layer and the expansion soil layer to prevent the lime macadam soil layer and the expansion soil layer from overflowing outwards, and the soil layer and the vegetable layer on the outer layer are protected, so that the stability of slope protection is improved, all the anti-slip piles are connected through the connecting plates and integrated, and the anti-slip piles are high in stability and convenient to install; whole structural design is simple, convenient operation, and the effect of use is better for traditional mode, and the part that does not involve in this device all is the same with prior art or can adopt prior art to realize.

Drawings

FIG. 1 is a schematic view of the overall structure of an expansive soil slope protection structure of the present invention;

FIG. 2 is a position diagram of a leakage-proof film of the expansive soil slope protection structure of the utility model.

In the figure: 1. a slope base; 2. a substrate slope; 3. a substrate stage; 4. a lime crushed stone layer; 5. expanding the soil layer; 6. a stepped intercepting structure; 7. anti-skid piles; 8. connecting plates; 9. a solid soil layer; 10. planting a layer; 11. a leak-proof film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-2, an expansive soil side slope protection structure comprises a side slope base body 1, wherein the side slope base body 1 is composed of a plurality of base body slopes 2 and a plurality of base body platforms 3 which are horizontally arranged, the base body platforms 3 are flush with the upper surfaces of the highest expansive soil layers 5 on the base body platforms 3 adjacent to the lower side, slopes formed by a plurality of lime crushed stone layers 4 and a plurality of expansive soil layers 5 which are alternately laid are step slopes, a plurality of step intercepting structures 6 are equidistantly arranged on the step slopes, each step intercepting structure 6 comprises a plurality of groups of anti-skid piles 7 and connecting plates 8 for connecting the adjacent anti-skid piles 7, the groups of anti-skid piles 7 are positioned at the sides of the lime crushed stone layers 4 and the expansive soil layers 5, a firm soil layer 9 is laid on the outer side of each step intercepting structure 6, and planting layers 10 are arranged on the firm soil layers 9;

the thickness ratio of the lime macadam soil layer 4 to the expansion soil layer 5 is 3: 4, the upper surface and the lower surface of the lime macadam soil layer 4 are covered with a leakage-proof film 11, the leakage-proof film 11 is made of a nylon film, and a plurality of groups of small holes are formed in the film for downward penetration; the widths of the plurality of groups of base body platforms 3 are equal, and the heights between two adjacent base body platforms 3 are equal; the anti-skid piles 7 are arranged close to the sides of the limestone gravel layer 4 and the expanded soil layer 5 and are slightly thicker than the limestone gravel layer and the expanded soil layer; the thickness of the firm soil layer 9 is between 15 and 30 cm.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an inflation soil side slope protective structure, includes side slope base member (1), its characterized in that: the side slope base body (1) consists of a plurality of base body slope surfaces (2) and a plurality of base body platforms (3) which are horizontally arranged, the upper surfaces of the highest expansion soil layers (5) on the base body platform (3) adjacent to the lower part are flush with each other, the slope surfaces formed by the plurality of lime crushed stone layers (4) and the plurality of expansion soil layers (5) which are alternately laid are step slope surfaces, a plurality of ladder intercepting structures (6) are equidistantly arranged on the ladder slope surface, each ladder intercepting structure (6) comprises a plurality of groups of anti-skid piles (7) and connecting plates (8) used for connecting the adjacent anti-skid piles (7), the antiskid pile (7) group is positioned at the sides of the lime crushed stone layer (4) and the expansion soil layer (5), a firm soil layer (9) is laid on the outer side of the step intercepting structure (6), and a planting layer (10) is arranged on the firm soil layer (9).

2. The expansive soil slope protection structure according to claim 1, wherein: the thickness ratio of the lime gravel soil layer (4) to the expansion soil layer (5) is 3: 4, the upper and lower surfaces of the lime macadam soil layer (4) are covered with leakage-proof films (11), and the leakage-proof films (11) are made of nylon films.

3. The expansive soil slope protection structure according to claim 2, wherein: the widths of the plurality of groups of base body platforms (3) are equal, and the heights of the adjacent two base body platforms (3) are equal.

4. The expansive soil slope protection structure according to claim 3, wherein: the anti-slip piles (7) are tightly attached to the sides of the lime crushed stone layer (4) and the expansion soil layer (5) and are slightly higher than the thickness of the lime crushed stone layer and the expansion soil layer.

5. The expansive soil slope protection structure according to claim (4), wherein: the thickness of the firm soil layer (9) is between 15 and 30 cm.

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