Novel spraying type anti-seepage expansive soil slope structure

By using concrete protective layer, nanopermeable waterproof spray coating and stable components in the expanded soil slope structure, the problems of repeated expansive soil slope diseases and drainage system damage are solved under the aggravation of environmental warmth and humidity, effectively improving waterproofing and stability, and improving road operation safety.

CN222614252UActive Publication Date: 2025-03-14NORTHWEST RES INST CO LTD OF C R E C +1
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Patent Information

Application Number
CN202420888518.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-26
Publication Date
2025-03-14
Estimated Expiration
2034-04-26

AI Technical Summary

Technical Problem

In the case of intensifying warm and humidification of the environment, the damage to the expansive soil slopes repeatedly leads to damage to the drainage system structure, and the chance of immersion of the road substrate greatly increases. The existing technology cannot effectively prevent external moisture from erosion, affecting the safety of road operation.

Method used

A new spray-coated anti-seepage expansive soil slope structure is adopted, including the installation of a concrete protective layer and a surface nanopermeable waterproof spray coating on the inner side of the roadbed body, and the installation of stable components on the inner side of the concrete protective layer and the inner side of the roadbed body, such as slope stabilization columns and top and bottom stabilization columns on the inner side of the roadbed body to enhance structural stability and waterproof performance.

Benefits of technology

Effectively block the immersion of external moisture, improve the overall stability of the roadbed slope, reduce maintenance costs, and improve road operation safety. The materials are economical and affordable, the construction methods are simple, and the prevention and control effect of expansive soil slopes is significant.

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Abstract

The utility model discloses a novel spraying type anti-seepage expansive soil slope structure which comprises a roadbed body, roadbed surfaces are arranged on the two sides of the top of the roadbed body, and drainage system structures are arranged on the two sides of the bottom end in the roadbed body. The concrete protection layer and the surface nanometer permeable waterproof spraying layer are arranged on the inner side slope surface of the roadbed body, the concrete protection layer with the thickness of 10-15 cm is laid after the roadbed body slope is cleaned in the using process, the slope surface is stabilized through the concrete protection layer, the slope surface is tightly attached to the roadbed body slope, and the surface of the roadbed body is protected. Pores, holes and concave-convex surfaces formed on the slope are flattened, the overall stability of the slope body is improved, the surface nanometer permeable waterproof spraying layer is sprayed on the surface of the concrete protection layer to form a waterproof protection film, external water can be effectively prevented from entering the slope, the good effect of protecting the stability of the roadbed slope is achieved, materials are economical and practical, and the cost is low. The construction method is simple and convenient, and the expansive soil slope disease control effect is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of expansive soil slope management, in particular to a novel spray-coated anti-seepage expansive soil slope structure. Background Art

[0002] There are hydrophilic minerals inside the expansive soil slope. The surface concrete structure, drainage system and plant slope protection measures cannot effectively block the water infiltration from the outside. As a result, after the water enters the roadbed, the swelling and shrinking characteristics of the expansive soil minerals seriously affect the stability of the original slope, and the roadbed slope will produce uplift, dissolution and even overall collapse. In addition, the disease is difficult to treat, the maintenance cost is high, and the effect of conventional measures is not ideal, which seriously affects the safety of road operation. Existing technical measures usually use surface drainage systems, such as intercepting ditches, drainage ditches, waterfalls and other structures;

[0003] However, during the application of this technical solution, as the environment becomes increasingly warm and humid, the expansive soil disease repeatedly causes damage to the drainage system structure, greatly increasing the probability of the road base being flooded. There is a technical problem that it cannot effectively prevent external water erosion and thus protect the health and stability of the road base. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a novel spray-type anti-seepage expansive soil slope structure, which can solve the problem that under the condition of increasing environmental warming and humidification, the expansive soil disease repeatedly causes damage to the drainage system structure, greatly increases the probability of the road base being flooded, and cannot effectively prevent the erosion of external water to protect the road base.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a novel spray-coated anti-seepage expansive soil slope structure, comprising a roadbed body, roadbed surfaces are arranged on both sides of the top of the roadbed body, drainage system structures are arranged on both sides of the bottom end of the roadbed body, a concrete protective layer is arranged on the inner side of the roadbed body, a surface nano-permeable waterproof spray coating is arranged on the outer side of the concrete protective layer, and a stabilizing component is arranged between the inner side of the concrete protective layer and the inner side of the roadbed body.

[0006] As a preferred technical solution of the utility model, the concrete protective layer is 10 cm to 15 cm thick, and the surface nano-permeable waterproof spray coating is evenly distributed on the outside of the concrete protective layer.

[0007] As a preferred technical solution of the utility model, the drainage system structures are symmetrically arranged at the bottom end of the inside of the road base body, and the drainage system structures are parallel to each other.

[0008] As a preferred technical solution of the utility model, the stabilizing component includes a slope stabilizing column, which is arranged on the inner slope of the concrete protective layer, and the top and bottom of the inner side of the concrete protective layer are provided with top and bottom surface stabilizing columns, the inner slope of the road base body is provided with preset slope holes, and the inner bottom surface of the road base body and the top of the roadbed surface are provided with top and bottom surface preset holes.

[0009] As a preferred technical solution of the utility model, the slope stabilizing columns and the top and bottom surface stabilizing columns are made of concrete material, and the slope stabilizing columns and the top and bottom surface stabilizing columns are integrally cast with the concrete protective layer.

[0010] As a preferred technical solution of the utility model, the slope stabilizing columns are arranged at equal intervals on the inner slope of the concrete protective layer, the top and bottom surface stabilizing columns are arranged at equal intervals on the top and bottom of the inner side of the concrete protective layer, the slope preset holes are arranged at equal intervals on the inner slope of the road base body, the top and bottom surface preset holes are arranged at equal intervals on the inner bottom surface of the road base body and the top of the roadbed surface, and the slope stabilizing columns and the top and bottom surface stabilizing columns are respectively constructed inside the slope preset holes and the top and bottom surface preset holes.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. A concrete protective layer and a surface nano-permeable waterproof spray coating are arranged on the inner slope of the roadbed body. When in use, a 10-15 cm thick concrete protective layer is laid after the roadbed body slope is cleaned. The concrete protective layer stabilizes the slope surface, adheres closely to the roadbed body slope, smoothes the pores, holes and concave and convex surfaces formed on the slope, increases the overall stability of the slope, and sprays the surface nano-permeable waterproof spray coating on the surface of the concrete protective layer to form a waterproof protective film, which can effectively block the infiltration of external water and play a good role in protecting the stability of the roadbed slope. In addition, the material is economical and affordable, the construction method is simple, and the prevention and control effect of expansive soil slope diseases is good;

[0013] 2. By arranging a stabilizing component between the inner side of the concrete protective layer and the inner side of the road base body, when pouring the concrete protective layer on the road base body slope, firstly open the preset holes on the slope surface and the preset holes on the top and bottom surfaces on the road base body slope and the roadbed surface respectively. In the process of pouring the concrete protective layer, the slope stabilizing columns and the top and bottom surface stabilizing columns cast integrally therewith are respectively poured into the preset holes on the slope surface and the preset holes on the top and bottom surfaces, so as to achieve the purpose of stabilizing the concrete protective layer, avoid the landslide and collapse caused by the damage of expansive soil after the concrete protective layer solidifies, and ensure the safety and stability of the anti-seepage expansive soil slope structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of a partial three-dimensional structure of a road base body of the utility model;

[0016] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0018] Among them: 1. Roadbed body; 2. Concrete protective layer; 3. Drainage system structure; 4. Roadbed surface; 5. Surface nano-permeable waterproof spray coating; 6. Slope stabilization columns; 7. Top and bottom surface stabilization columns; 8. Pre-set holes on the slope; 9. Pre-set holes on the top and bottom surfaces. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified. Example

[0020] Please refer to Figure 1-4 As shown, the utility model provides a novel spray-coated anti-seepage type expansive soil slope structure, comprising a road base body 1, roadbed surfaces 4 are arranged on both sides of the top of the road base body 1, drainage system structures 3 are arranged on both sides of the bottom of the road base body 1, the drainage system structures 3 are symmetrically arranged at the bottom of the road base body 1, and the drainage system structures 3 are parallel to each other, and the drainage is guided to the bottom water body inside the road base body 1 through the drainage system structures 3, and a concrete protective layer 2 is arranged on the inside of the road base body 1, and the concrete protective layer 2 is 10cm to 15cm thick, and the concrete protective layer 2 is stabilized. The surface of the slope body is fixed, close to the slope of the roadbed body 1, and the pores, holes and concave and convex surfaces formed on the slope are smoothed to increase the overall stability of the slope. The outer side of the concrete protective layer 2 is provided with a surface nano-permeable waterproof spray coating 5, and the surface nano-permeable waterproof spray coating 5 is evenly distributed on the outer side of the concrete protective layer 2. A waterproof protective film can be formed on the slope surface of the roadbed body 1 through the surface nano-permeable waterproof spray coating 5, which can effectively block the infiltration of external water and play a good role in protecting the stability of the roadbed slope. In addition, the material is economical and affordable, the construction method is simple, and the prevention and control effect of expansive soil slope diseases is good;

[0021] When in use, after the side slope of the road base body 1 is cleaned, a 10cm to 15cm thick concrete protective layer 2 is laid, the slope surface is stabilized by the concrete protective layer 2, and a surface nano-permeable waterproof spray coating 5 is sprayed on the surface of the concrete protective layer 2 to form a waterproof protective film to block the infiltration of external water;

[0022] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 4 As shown, a stabilizing component is arranged between the inner side of the concrete protective layer 2 and the inner side of the road base body 1, and the stabilizing component includes a slope stabilizing column 6, which is arranged on the inner slope of the concrete protective layer 2, and the slope stabilizing column 6 is arranged at equal intervals on the inner slope of the concrete protective layer 2. Top and bottom stabilizing columns 7 are arranged at equal intervals on the top and bottom of the inner side of the concrete protective layer 2. The slope stabilizing columns 6 and the top and bottom stabilizing columns 7 are made of concrete material, and the slope stabilizing columns 6 and the top and bottom stabilizing columns 7 are cast integrally with the concrete protective layer 2. The inner slope of the road base body 1 is provided with a slope preset hole 8, and the slope preset holes 8 are arranged at equal intervals on the inner slope of the road base body 1. The top and bottom preset holes 9 are arranged at equal intervals on the inner bottom surface of the road base body 1 and the top of the roadbed surface 4. The slope stabilizing columns 6 and the top and bottom surface stabilizing columns 7 are respectively constructed inside the slope preset holes 8 and the top and bottom surface preset holes 9. In the process of pouring the concrete protective layer 2, the slope stabilizing columns 6 and the top and bottom surface stabilizing columns 7 that are cast as one with it are respectively poured into the slope preset holes 8 and the top and bottom surface preset holes 9. The purpose of stabilizing the concrete protective layer 2 is achieved by the slope stabilizing columns 6 and the top and bottom surface stabilizing columns 7, so as to avoid the concrete protective layer 2 from landslides and collapses due to the damage of expansive soil after solidification, thereby ensuring the safety and stability of the anti-seepage expansive soil slope structure;

[0023] When pouring the concrete protective layer 2 on the slope of the road base body 1, firstly, preset holes 8 on the slope and preset holes 9 on the top and bottom surfaces are respectively opened on the slope of the road base body 1 and the roadbed surface 4. During the pouring of the concrete protective layer 2, the slope stabilizing columns 6 and the top and bottom surface stabilizing columns 7, which are integrally poured therewith, are respectively poured into the preset holes 8 on the slope and the preset holes 9 on the top and bottom surfaces to stabilize the concrete protective layer 2 and prevent the concrete protective layer 2 from landslides and collapses due to the damage of the expansive soil after solidification.

[0024] Specific working principle:

[0025] When constructing an impermeable expansive soil slope structure, when pouring the concrete protective layer 2 on the slope of the road base body 1, firstly, preset holes 8 on the slope and preset holes 9 on the top and bottom surfaces are opened on the slope of the road base body 1 and the roadbed surface 4, respectively. Then, the slope of the road base body 1 is cleaned, and a layer of concrete protective layer 2 with a thickness of 10 cm to 15 cm is laid on its surface to make it close to the roadbed slope body, and the pores, holes and concave and convex surfaces formed on the slope are smoothed. The slope surface is stabilized by the concrete protective layer 2, and in the process of pouring the concrete protective layer 2, the slope stabilizing columns 6 and the top and bottom surface stabilizing columns 7 cast as one with it are poured into the preset holes 8 on the slope and the preset holes 9 on the top and bottom surfaces respectively to stabilize the concrete protective layer 2 and prevent the concrete protective layer 2 from landslides and collapses due to the damage of the expansive soil after solidification. Then, the surface nano-permeable waterproof spray coating 5 is sprayed on the surface of the concrete protective layer 2 to form a waterproof protective film to block the infiltration of external moisture, so as to prevent and control the expansive soil slope diseases.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel spray-coated anti-seepage expansive soil slope structure, comprising a road base body (1), characterized in that: Roadbed surfaces (4) are arranged on both sides of the top of the roadbed body (1), drainage system structures (3) are arranged on both sides of the bottom of the roadbed body (1), a concrete protective layer (2) is arranged on the inner side of the roadbed body (1), a surface nano-permeable waterproof spray coating (5) is arranged on the outer side of the concrete protective layer (2), and a stabilizing component is arranged between the inner side of the concrete protective layer (2) and the inner side of the roadbed body (1).

2. A novel spray-coated anti-seepage expansive soil slope structure according to claim 1, characterized in that: The concrete protective layer (2) has a thickness of 10 cm to 15 cm, and the surface nano-permeable waterproof spray coating (5) is evenly distributed on the outer side of the concrete protective layer (2).

3. A novel spray-coated anti-seepage expansive soil slope structure according to claim 1, characterized in that: The drainage system structures (3) are symmetrically arranged at the bottom end of the road base body (1), and the drainage system structures (3) are parallel to each other.

4. A novel spray-coated anti-seepage expansive soil slope structure according to claim 1, characterized in that: The stabilizing component comprises a slope stabilizing column (6), the slope stabilizing column (6) being arranged on the inner slope of the concrete protective layer (2), the top and bottom of the inner side of the concrete protective layer (2) being provided with top and bottom surface stabilizing columns (7), the inner slope of the road base body (1) being provided with slope preset holes (8), and the inner bottom surface of the road base body (1) and the top of the roadbed surface (4) being provided with top and bottom surface preset holes (9).

5. A novel spray-coated anti-seepage expansive soil slope structure according to claim 4, characterized in that: The slope stabilizing columns (6) and the top and bottom surface stabilizing columns (7) are made of concrete material, and the slope stabilizing columns (6) and the top and bottom surface stabilizing columns (7) are integrally cast with the concrete protective layer (2).

6. A novel spray-coated anti-seepage expansive soil slope structure according to claim 4, characterized in that: The slope stabilizing columns (6) are arranged at equal intervals on the inner slope of the concrete protective layer (2); the top and bottom surface stabilizing columns (7) are arranged at equal intervals on the top and bottom of the inner side of the concrete protective layer (2); the slope preset holes (8) are arranged at equal intervals on the inner slope of the road base body (1); the top and bottom surface preset holes (9) are arranged at equal intervals on the inner bottom surface of the road base body (1) and the top of the roadbed surface (4); the slope stabilizing columns (6) and the top and bottom surface stabilizing columns (7) are respectively constructed inside the slope preset holes (8) and the top and bottom surface preset holes (9).