CN216615890U - Novel native side slope protection reinforced structure expands - Google Patents
Novel native side slope protection reinforced structure expands Download PDFInfo
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- CN216615890U CN216615890U CN202120966647.5U CN202120966647U CN216615890U CN 216615890 U CN216615890 U CN 216615890U CN 202120966647 U CN202120966647 U CN 202120966647U CN 216615890 U CN216615890 U CN 216615890U
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Abstract
The utility model relates to a geotechnical engineering technical field, specificly relate to a novel inflation soil side slope protection reinforced structure. The utility model discloses a novel expansive soil side slope protection and reinforcement structure which comprises a concrete lattice, wherein a surface layer slope protection structure is fixed in the concrete lattice, and a vegetable layer, a permeable layer and a water-resisting layer are sequentially arranged on the surface layer slope protection structure from top to bottom in the concrete lattice. Can utilize the permeable formation of laying, lead the vegetation layer surplus surface water through wash port and netted escape canal and discharge the slope body, prevent to invade in the inflation soil side slope, consequently isolated inflation condition.
Description
Technical Field
The utility model relates to a geotechnical engineering technical field, specificly relate to a novel inflation soil side slope protection reinforced structure.
Background
Because the expansive soil has different engineering characteristics from common clay, such as crack property, water swelling, water loss shrinkage cracking and the like, the slope in the expansive soil area often has the characteristics of repeated and long-term potential danger when meeting the moat and sliding deformation and damage of the slope, and the harmfulness to the engineering safety is great.
At present, the simple method for preventing the expansive soil side slope from landslide is mainly to prevent the expansive soil from swelling and shrinking in a waterproof immersed slope body. The water content of the expansive soil side slope directly influences the overall stability of the side slope, so that drainage needs to be carried out in time in the side slope prevention process, infiltration of precipitation is reduced as much as possible, the slope is kept at a low water content, and the influence of weather on the slope is reduced; meanwhile, the anti-skid capability of the slope body can be further enhanced by arranging some supporting and reinforcing structures (such as anchor rod lattices).
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior technical scheme, the utility model aims to provide a novel expansive soil side slope protection and reinforcement structure, which can keep the slope body at a lower water content and reduce the influence of the weather on the slope surface.
To achieve the above object, one or more embodiments of the present invention provide the following solutions:
the utility model discloses a novel expansive soil side slope protection and reinforcement structure which comprises a concrete lattice, wherein a surface layer slope protection structure is fixed in the concrete lattice, and a vegetable layer, a permeable layer and a water-resisting layer are sequentially arranged in the surface layer slope protection structure from top to bottom.
As a further technical scheme, drainage ditches are arranged on the top surface of the concrete lattice structure towards the bottom of the concrete lattice structure.
As a further technical scheme, the bottom of the drainage ditch is positioned above the bottom of the concrete lattice.
As a further technical scheme, the position of the drainage ditch is close to the end face of one side of the concrete lattice.
As a further technical scheme, a drainage hole is formed in the side wall of the drainage ditch and leads to the permeable layer in the surface layer slope protection structure.
As a further technical scheme, the drainage hole is formed in the side wall of the drainage ditch on the side close to the uphill side of the side slope.
As a further technical scheme, the drainage ditch is in a net structure.
As a further technical scheme, an anchor rod is arranged in the concrete lattice and is positioned right below the drainage ditch.
As a further technical scheme, the anchor rod is connected with the steel bars in the concrete lattice in a welding mode.
As a further technical scheme, the water-resisting layer comprises a concrete water-resisting plate, and a geomembrane is arranged on the concrete water-resisting plate.
As a further technical scheme, the permeable layer comprises a crushed stone layer, and the permeable geotextile is fixed on the upper part of the crushed stone layer.
The beneficial effects of one or more technical schemes are as follows:
the utility model can utilize the laid permeable layer to guide the redundant surface water of the vegetable layer out of the slope body through the drain holes and the meshed drainage ditches, and prevent the redundant surface water from invading into the expansive soil side slope, thereby isolating the expansion condition.
The utility model effectively reinforces the side slope soil body by utilizing the anchor rods and the concrete lattice structure to prevent the side slope soil body from landslide; the surface vegetable layer is covered on the slope after sprouting and growing, and the landscape effect and the environmental effect can be fully exerted while the soil-fixing and slope-protecting effect is exerted.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a plurality of the present invention after use on a slope;
FIG. 3 is a schematic top view of a plurality of applications of the present invention after being applied to a slope;
in the figure, 1, a concrete lattice, 2, anchor rods, 3, a drainage ditch, 4, a drainage hole, 5, a vegetation layer, 6, a permeable layer, 7 and a water-proof layer.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, the present invention discloses a novel expansive soil slope protection and reinforcement structure, which comprises a concrete lattice, wherein a surface layer slope protection structure is fixed in the concrete lattice, and the surface layer slope protection structure is located in the concrete lattice and is sequentially provided with a vegetable layer, a permeable layer and a water-resisting layer from top to bottom.
As shown in fig. 1, the concrete lattice is composed of concrete and concrete reinforcing bars; when the concrete lattice is firstly welded with the reinforcing steel bars of the concrete lattice, and then concrete is built outside the reinforcing steel bars and the anchor rods, the anchor rods are positioned in the concrete lattice and welded with the reinforcing steel bars of the concrete lattice, the concrete is poured outside the concrete lattice reinforcing steel bars and the anchor rods, and the concrete lattice and the anchor rods form an integral structure through welding and concrete pouring. During specific construction, firstly, a dry construction process such as an anchor rod drilling machine and a down-the-hole hammer is adopted to form a hole on the expansive soil slope soil body, then an anchor rod 2 is placed and grouting is carried out, a reinforcing steel bar connector is reserved at the top of the anchor rod, and the anchor rod is uniformly arranged in a rectangular shape.
The concrete lattice is provided with the escape canal, and the depth of the escape canal in the embodiment can be 0.3m, and the concrete size is determined according to the actual situation. The drainage ditch is positioned on the upper end surface of the concrete lattice and is dug from the upper end surface to the bottom surface, and the height direction of the drainage ditch is vertical to the bottom surface of the concrete lattice. The bottom in escape canal is located the top of concrete lattice bottom, and apart from the bottom certain distance, is located the stock and puts directly over, apart from the stock a certain position. The drainage ditch is located near one end face of the concrete lattice, and in this embodiment, the drainage ditch is located near the end face on the left side of the concrete lattice as shown in fig. 1. The drainage ditch is netted structure, and rivers flow out from the netted space of drainage ditch.
The inner wall of the inner side of the drainage ditch is provided with a drainage hole, and the drainage hole is positioned on the inner wall of one side of the upstream of the side slope of the drainage ditch, as shown in figure 2. The inner wall of the drainage ditch positioned on one side above the side slope is provided with a drainage hole, so that the water flow can be ensured to be drained out of the slope body under the action of the self weight. One end of the drain hole is positioned on the inner wall of the drain ditch, and the other end of the drain hole is communicated into the permeable layer. The vegetation layer is fixed in the surface layer slope protection structure. In this embodiment, the drain holes are made of PVC pipes, the diameter is generally 0.05m, and the arrangement distance is 2-3 m.
As shown in fig. 1, the surface slope protection structure includes a vegetation layer, a permeable layer, and a water barrier layer. Top layer slope protection structure top-down includes vegetable layer, permeable formation and water barrier in proper order. Surface layer slope protection structure is located the concrete lattice, is located the escape canal both sides setting. The bottom of the surface layer slope protection structure and the bottom of the drainage ditch are on the same horizontal plane.
The bottom of top layer slope protection structure is the water barrier, and the water barrier includes the concrete water-stop sheet, is located and installs the geomembrane on the concrete water-stop sheet. After the concrete lattice is cured and formed, concrete water-stop sheets are sequentially placed in the lattice, and a geomembrane is laid on the top of the concrete water-stop sheets to form a structural water-stop layer 7.
The permeable formation is arranged above the waterproof layer and comprises a gravel layer, and the permeable geotextile is fixed on the upper part of the gravel layer. The gravel layer with the thickness of 0.1m is paved by using gravel with the particle size of 2-15mm, and the upper part of the gravel layer is additionally provided with the waterproof geotextile to prevent soil particles in the planting soil layer from losing and blocking a drainage channel. The rubble layer and the permeable geotextile together form a permeable layer 6.
The vegetation layer is arranged above the permeable layer, and a soil layer with the thickness of about 20cm is paved on the vegetation layer, so that the space and the water storage function of normal growth of surface layer grass planting are met. Finally, grass seeds are scattered on the vegetable layer, and watering and maintenance are carried out.
As shown in fig. 2-3, a plurality of the utility model are installed on a side slope and covered on the slope surface, the anchor rods and the concrete lattice can effectively reinforce the soil body of the side slope, the vegetation layer in the surface layer slope protection structure is responsible for fixing the side slope soil and is also beneficial to air purification, the water permeable layer can discharge the water in the vegetation layer to the slope body through the drainage holes and the drainage ditches to prevent the water from invading into the soil body of the side slope, the water-proof layer can isolate the expansion of the side slope expansion soil, and the utility model can be arranged on the side slope in an array manner to realize more beneficial protection of the side slope.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A novel expansive soil side slope protection and reinforcement structure is characterized by comprising a concrete lattice, wherein a surface layer slope protection structure is fixed in the concrete lattice, and a vegetable layer, a permeable layer and a waterproof layer are sequentially arranged in the surface layer slope protection structure from top to bottom;
and a drainage ditch is arranged on the top surface in the concrete lattice in the direction of the bottom of the concrete lattice, the bottom of the drainage ditch is positioned above the bottom of the concrete lattice, and the drainage ditch is positioned close to one side end surface of the concrete lattice.
2. The novel expansive soil slope protection and reinforcement structure as claimed in claim 1, wherein drainage holes are formed in the side walls of the drainage ditches, and the drainage holes are communicated with the permeable layer in the surface slope protection structure.
3. The novel expansive soil slope protection and reinforcement structure as claimed in claim 2, wherein the drainage holes are formed in the side wall of the drainage ditch on the side close to the uphill side of the slope.
4. The novel expansive soil slope protection and reinforcement structure as claimed in claim 1, wherein the drainage ditches are shaped as a net structure.
5. A novel expansive soil slope protection and reinforcement structure as claimed in claim 1, wherein anchor rods are arranged in the concrete lattice under the drainage ditches.
6. The new expansive soil slope protection and reinforcement structure as claimed in claim 5, wherein said anchor rods are welded with the steel bars in the concrete lattice.
7. The new expansive soil slope protection and reinforcement structure as claimed in claim 1, wherein the water barrier comprises a concrete water barrier, and a geomembrane is installed on the concrete water barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120966647.5U CN216615890U (en) | 2021-05-07 | 2021-05-07 | Novel native side slope protection reinforced structure expands |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120966647.5U CN216615890U (en) | 2021-05-07 | 2021-05-07 | Novel native side slope protection reinforced structure expands |
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| CN216615890U true CN216615890U (en) | 2022-05-27 |
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| CN202120966647.5U Active CN216615890U (en) | 2021-05-07 | 2021-05-07 | Novel native side slope protection reinforced structure expands |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233618A (en) * | 2022-07-13 | 2022-10-25 | 天津鑫路桥建设工程有限公司 | Municipal works water conservancy construction bank protection restoration structure |
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2021
- 2021-05-07 CN CN202120966647.5U patent/CN216615890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233618A (en) * | 2022-07-13 | 2022-10-25 | 天津鑫路桥建设工程有限公司 | Municipal works water conservancy construction bank protection restoration structure |
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